diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-05-17 08:49:25 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-05-17 08:49:25 +0100 |
| commit | a3685f00652af83f12b63e3b4ef48f29581ba48b (patch) | |
| tree | 18ec9eed3deabf3c6b9bec206765a4dd0d8cf9ec | |
| parent | b12f3cbd7a9a869eae1eb108da02526b132ba80b (diff) | |
| parent | 63b1f51b2405573d47bf5b9ab6e7cd5c697d3dcc (diff) | |
Merge branch 'for-rmk/2635' of git://git.fluff.org/bjdooks/linux into devel-stable
68 files changed, 2016 insertions, 817 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 3806d636a401..ae0ecdaf353c 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -657,7 +657,7 @@ config ARCH_SA1100 Support for StrongARM 11x0 based boards. config ARCH_S3C2410 - bool "Samsung S3C2410, S3C2412, S3C2413, S3C2440, S3C2442, S3C2443" + bool "Samsung S3C2410, S3C2412, S3C2413, S3C2416, S3C2440, S3C2442, S3C2443, S3C2450" select GENERIC_GPIO select ARCH_HAS_CPUFREQ select HAVE_CLK @@ -666,6 +666,10 @@ config ARCH_S3C2410 BAST (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or the Samsung SMDK2410 development board (and derivatives). + Note, the S3C2416 and the S3C2450 are so close that they even share + the same SoC ID code. This means that there is no seperate machine + directory (no arch/arm/mach-s3c2450) as the S3C2416 was first. + config ARCH_S3C64XX bool "Samsung S3C64XX" select PLAT_SAMSUNG @@ -904,6 +908,7 @@ if ARCH_S3C2410 source "arch/arm/mach-s3c2400/Kconfig" source "arch/arm/mach-s3c2410/Kconfig" source "arch/arm/mach-s3c2412/Kconfig" +source "arch/arm/mach-s3c2416/Kconfig" source "arch/arm/mach-s3c2440/Kconfig" source "arch/arm/mach-s3c2443/Kconfig" endif diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 3e312ec8e624..7cdaf5afcee6 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -161,7 +161,7 @@ machine-$(CONFIG_ARCH_PNX4008) := pnx4008 machine-$(CONFIG_ARCH_PXA) := pxa machine-$(CONFIG_ARCH_REALVIEW) := realview machine-$(CONFIG_ARCH_RPC) := rpc -machine-$(CONFIG_ARCH_S3C2410) := s3c2410 s3c2400 s3c2412 s3c2440 s3c2443 +machine-$(CONFIG_ARCH_S3C2410) := s3c2410 s3c2400 s3c2412 s3c2416 s3c2440 s3c2443 machine-$(CONFIG_ARCH_S3C24A0) := s3c24a0 machine-$(CONFIG_ARCH_S3C64XX) := s3c64xx machine-$(CONFIG_ARCH_S5P6440) := s5p6440 diff --git a/arch/arm/mach-s3c2410/Kconfig b/arch/arm/mach-s3c2410/Kconfig index 554731868b07..9e5e96f12d86 100644 --- a/arch/arm/mach-s3c2410/Kconfig +++ b/arch/arm/mach-s3c2410/Kconfig @@ -6,6 +6,7 @@ config CPU_S3C2410 bool depends on ARCH_S3C2410 select CPU_ARM920T + select S3C_GPIO_PULL_UP select S3C2410_CLOCK select S3C2410_GPIO select CPU_LLSERIAL_S3C2410 diff --git a/arch/arm/mach-s3c2410/h1940-bluetooth.c b/arch/arm/mach-s3c2410/h1940-bluetooth.c index a3f3c7b1ca38..8cdeb14af592 100644 --- a/arch/arm/mach-s3c2410/h1940-bluetooth.c +++ b/arch/arm/mach-s3c2410/h1940-bluetooth.c @@ -33,14 +33,15 @@ static void h1940bt_enable(int on) h1940_latch_control(0, H1940_LATCH_BLUETOOTH_POWER); /* Reset the chip */ mdelay(10); - s3c2410_gpio_setpin(S3C2410_GPH(1), 1); + + gpio_set_value(S3C2410_GPH(1), 1); mdelay(10); - s3c2410_gpio_setpin(S3C2410_GPH(1), 0); + gpio_set_value(S3C2410_GPH(1), 0); } else { - s3c2410_gpio_setpin(S3C2410_GPH(1), 1); + gpio_set_value(S3C2410_GPH(1), 1); mdelay(10); - s3c2410_gpio_setpin(S3C2410_GPH(1), 0); + gpio_set_value(S3C2410_GPH(1), 0); mdelay(10); h1940_latch_control(H1940_LATCH_BLUETOOTH_POWER, 0); } @@ -61,15 +62,21 @@ static int __devinit h1940bt_probe(struct platform_device *pdev) struct rfkill *rfk; int ret = 0; + ret = gpio_request(S3C2410_GPH(1), dev_name(&pdev->dev)); + if (ret) { + dev_err(&pdev->dev, "could not get GPH1\n");\ + return ret; + } + /* Configures BT serial port GPIOs */ - s3c2410_gpio_cfgpin(S3C2410_GPH(0), S3C2410_GPH0_nCTS0); - s3c2410_gpio_pullup(S3C2410_GPH(0), 1); - s3c2410_gpio_cfgpin(S3C2410_GPH(1), S3C2410_GPIO_OUTPUT); - s3c2410_gpio_pullup(S3C2410_GPH(1), 1); - s3c2410_gpio_cfgpin(S3C2410_GPH(2), S3C2410_GPH2_TXD0); - s3c2410_gpio_pullup(S3C2410_GPH(2), 1); - s3c2410_gpio_cfgpin(S3C2410_GPH(3), S3C2410_GPH3_RXD0); - s3c2410_gpio_pullup(S3C2410_GPH(3), 1); + s3c_gpio_cfgpin(S3C2410_GPH(0), S3C2410_GPH0_nCTS0); + s3c_gpio_cfgpull(S3C2410_GPH(0), S3C_GPIO_PULL_NONE); + s3c_gpio_cfgpin(S3C2410_GPH(1), S3C2410_GPIO_OUTPUT); + s3c_gpio_cfgpull(S3C2410_GPH(1), S3C_GPIO_PULL_NONE); + s3c_gpio_cfgpin(S3C2410_GPH(2), S3C2410_GPH2_TXD0); + s3c_gpio_cfgpull(S3C2410_GPH(2), S3C_GPIO_PULL_NONE); + s3c_gpio_cfgpin(S3C2410_GPH(3), S3C2410_GPH3_RXD0); + s3c_gpio_cfgpull(S3C2410_GPH(3), S3C_GPIO_PULL_NONE); rfk = rfkill_alloc(DRV_NAME, &pdev->dev, RFKILL_TYPE_BLUETOOTH, @@ -100,6 +107,7 @@ static int h1940bt_remove(struct platform_device *pdev) struct rfkill *rfk = platform_get_drvdata(pdev); platform_set_drvdata(pdev, NULL); + gpio_free(S3C2410_GPH(1)); if (rfk) { rfkill_unregister(rfk); diff --git a/arch/arm/mach-s3c2410/include/mach/dma.h b/arch/arm/mach-s3c2410/include/mach/dma.h index 08ac5f96c012..cf68136cc668 100644 --- a/arch/arm/mach-s3c2410/include/mach/dma.h +++ b/arch/arm/mach-s3c2410/include/mach/dma.h @@ -54,7 +54,7 @@ enum dma_ch { #define DMACH_LOW_LEVEL (1<<28) /* use this to specifiy hardware ch no */ /* we have 4 dma channels */ -#ifndef CONFIG_CPU_S3C2443 +#if !defined(CONFIG_CPU_S3C2443) && !defined(CONFIG_CPU_S3C2416) #define S3C_DMA_CHANNELS (4) #else #define S3C_DMA_CHANNELS (6) diff --git a/arch/arm/mach-s3c2410/include/mach/gpio-fns.h b/arch/arm/mach-s3c2410/include/mach/gpio-fns.h index 035a493952db..f453c4f2cb8e 100644 --- a/arch/arm/mach-s3c2410/include/mach/gpio-fns.h +++ b/arch/arm/mach-s3c2410/include/mach/gpio-fns.h @@ -10,14 +10,28 @@ * published by the Free Software Foundation. */ +#ifndef __MACH_GPIO_FNS_H +#define __MACH_GPIO_FNS_H __FILE__ + /* These functions are in the to-be-removed category and it is strongly * encouraged not to use these in new code. They will be marked deprecated * very soon. * * Most of the functionality can be either replaced by the gpiocfg calls * for the s3c platform or by the generic GPIOlib API. + * + * As of 2.6.35-rc, these will be removed, with the few drivers using them + * either replaced or given a wrapper until the calls can be removed. */ +#include <plat/gpio-cfg.h> + +static inline void s3c2410_gpio_cfgpin(unsigned int pin, unsigned int cfg) +{ + /* 1:1 mapping between cfgpin and setcfg calls at the moment */ + s3c_gpio_cfgpin(pin, cfg); +} + /* external functions for GPIO support * * These allow various different clients to access the same GPIO @@ -25,17 +39,6 @@ * GPIO register, then it is safe to ioremap/__raw_{read|write} to it. */ -/* s3c2410_gpio_cfgpin - * - * set the configuration of the given pin to the value passed. - * - * eg: - * s3c2410_gpio_cfgpin(S3C2410_GPA(0), S3C2410_GPA0_ADDR0); - * s3c2410_gpio_cfgpin(S3C2410_GPE(8), S3C2410_GPE8_SDDAT1); -*/ - -extern void s3c2410_gpio_cfgpin(unsigned int pin, unsigned int function); - extern unsigned int s3c2410_gpio_getcfg(unsigned int pin); /* s3c2410_gpio_getirq @@ -73,6 +76,14 @@ extern int s3c2410_gpio_irqfilter(unsigned int pin, unsigned int on, /* s3c2410_gpio_pullup * + * This call should be replaced with s3c_gpio_setpull(). + * + * As a note, there is currently no distinction between pull-up and pull-down + * in the s3c24xx series devices with only an on/off configuration. + */ + +/* s3c2410_gpio_pullup + * * configure the pull-up control on the given pin * * to = 1 => disable the pull-up @@ -86,18 +97,8 @@ extern int s3c2410_gpio_irqfilter(unsigned int pin, unsigned int on, extern void s3c2410_gpio_pullup(unsigned int pin, unsigned int to); -/* s3c2410_gpio_getpull - * - * Read the state of the pull-up on a given pin - * - * return: - * < 0 => error code - * 0 => enabled - * 1 => disabled -*/ - -extern int s3c2410_gpio_getpull(unsigned int pin); - extern void s3c2410_gpio_setpin(unsigned int pin, unsigned int to); extern unsigned int s3c2410_gpio_getpin(unsigned int pin); + +#endif /* __MACH_GPIO_FNS_H */ diff --git a/arch/arm/mach-s3c2410/include/mach/gpio-nrs.h b/arch/arm/mach-s3c2410/include/mach/gpio-nrs.h index 2edbb9c88ab3..f3182ff847cb 100644 --- a/arch/arm/mach-s3c2410/include/mach/gpio-nrs.h +++ b/arch/arm/mach-s3c2410/include/mach/gpio-nrs.h @@ -34,6 +34,10 @@ #define S3C2410_GPIO_F_NR (32) #define S3C2410_GPIO_G_NR (32) #define S3C2410_GPIO_H_NR (32) +#define S3C2410_GPIO_J_NR (32) /* technically 16. */ +#define S3C2410_GPIO_K_NR (32) /* technically 16. */ +#define S3C2410_GPIO_L_NR (32) /* technically 15. */ +#define S3C2410_GPIO_M_NR (32) /* technically 2. */ #if CONFIG_S3C_GPIO_SPACE != 0 #error CONFIG_S3C_GPIO_SPACE cannot be zero at the moment @@ -53,6 +57,10 @@ enum s3c_gpio_number { S3C2410_GPIO_F_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_E), S3C2410_GPIO_G_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_F), S3C2410_GPIO_H_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_G), + S3C2410_GPIO_J_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_H), + S3C2410_GPIO_K_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_J), + S3C2410_GPIO_L_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_K), + S3C2410_GPIO_M_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_L), }; #endif /* __ASSEMBLY__ */ @@ -67,6 +75,10 @@ enum s3c_gpio_number { #define S3C2410_GPF(_nr) (S3C2410_GPIO_F_START + (_nr)) #define S3C2410_GPG(_nr) (S3C2410_GPIO_G_START + (_nr)) #define S3C2410_GPH(_nr) (S3C2410_GPIO_H_START + (_nr)) +#define S3C2410_GPJ(_nr) (S3C2410_GPIO_J_START + (_nr)) +#define S3C2410_GPK(_nr) (S3C2410_GPIO_K_START + (_nr)) +#define S3C2410_GPL(_nr) (S3C2410_GPIO_L_START + (_nr)) +#define S3C2410_GPM(_nr) (S3C2410_GPIO_M_START + (_nr)) /* compatibility until drivers can be modified */ diff --git a/arch/arm/mach-s3c2410/include/mach/irqs.h b/arch/arm/mach-s3c2410/include/mach/irqs.h index 6c12c6312ad8..877c15e1b154 100644 --- a/arch/arm/mach-s3c2410/include/mach/irqs.h +++ b/arch/arm/mach-s3c2410/include/mach/irqs.h @@ -115,6 +115,26 @@ #define IRQ_S3C2412_SDI S3C2410_IRQSUB(13) #define IRQ_S3C2412_CF S3C2410_IRQSUB(14) + +#define IRQ_S3C2416_EINT8t15 S3C2410_IRQ(5) +#define IRQ_S3C2416_DMA S3C2410_IRQ(17) +#define IRQ_S3C2416_UART3 S3C2410_IRQ(18) +#define IRQ_S3C2416_SDI1 S3C2410_IRQ(20) +#define IRQ_S3C2416_SDI0 S3C2410_IRQ(21) + +#define IRQ_S3C2416_LCD2 S3C2410_IRQSUB(15) +#define IRQ_S3C2416_LCD3 S3C2410_IRQSUB(16) +#define IRQ_S3C2416_LCD4 S3C2410_IRQSUB(17) +#define IRQ_S3C2416_DMA0 S3C2410_IRQSUB(18) +#define IRQ_S3C2416_DMA1 S3C2410_IRQSUB(19) +#define IRQ_S3C2416_DMA2 S3C2410_IRQSUB(20) +#define IRQ_S3C2416_DMA3 S3C2410_IRQSUB(21) +#define IRQ_S3C2416_DMA4 S3C2410_IRQSUB(22) +#define IRQ_S3C2416_DMA5 S3C2410_IRQSUB(23) +#define IRQ_S32416_WDT S3C2410_IRQSUB(27) +#define IRQ_S32416_AC97 S3C2410_IRQSUB(28) + + /* extra irqs for s3c2440 */ #define IRQ_S3C2440_CAM_C S3C2410_IRQSUB(11) /* S3C2443 too */ @@ -130,7 +150,10 @@ #define IRQ_S3C2443_HSMMC S3C2410_IRQ(20) /* IRQ_SDI */ #define IRQ_S3C2443_NAND S3C2410_IRQ(24) /* reserved */ +#define IRQ_S3C2416_HSMMC0 S3C2410_IRQ(21) /* S3C2416/S3C2450 */ + #define IRQ_HSMMC0 IRQ_S3C2443_HSMMC +#define IRQ_HSMMC1 IRQ_S3C2416_HSMMC0 #define IRQ_S3C2443_LCD1 S3C2410_IRQSUB(14) #define IRQ_S3C2443_LCD2 S3C2410_IRQSUB(15) @@ -152,7 +175,7 @@ #define IRQ_S3C2443_WDT S3C2410_IRQSUB(27) #define IRQ_S3C2443_AC97 S3C2410_IRQSUB(28) -#ifdef CONFIG_CPU_S3C2443 +#if defined(CONFIG_CPU_S3C2443) || defined(CONFIG_CPU_S3C2416) #define NR_IRQS (IRQ_S3C2443_AC97+1) #else #define NR_IRQS (IRQ_S3C2440_AC97+1) diff --git a/arch/arm/mach-s3c2410/include/mach/map.h b/arch/arm/mach-s3c2410/include/mach/map.h index b049e61460b6..f07d68066d7e 100644 --- a/arch/arm/mach-s3c2410/include/mach/map.h +++ b/arch/arm/mach-s3c2410/include/mach/map.h @@ -63,9 +63,9 @@ #define S3C2440_PA_AC97 (0x5B000000) #define S3C2440_SZ_AC97 SZ_1M -/* S3C2443 High-speed SD/MMC */ +/* S3C2443/S3C2416 High-speed SD/MMC */ #define S3C2443_PA_HSMMC (0x4A800000) -#define S3C2443_SZ_HSMMC (256) +#define S3C2416_PA_HSMMC0 (0x4AC00000) /* S3C2412 memory and IO controls */ #define S3C2412_PA_SSMC (0x4F000000) @@ -110,6 +110,7 @@ #define S3C_PA_UART S3C24XX_PA_UART #define S3C_PA_USBHOST S3C2410_PA_USBHOST #define S3C_PA_HSMMC0 S3C2443_PA_HSMMC +#define S3C_PA_HSMMC1 S3C2416_PA_HSMMC0 #define S3C_PA_NAND S3C24XX_PA_NAND #endif /* __ASM_ARCH_MAP_H */ diff --git a/arch/arm/mach-s3c2410/include/mach/regs-clock.h b/arch/arm/mach-s3c2410/include/mach/regs-clock.h index 9a0d169be137..3415b60082d7 100644 --- a/arch/arm/mach-s3c2410/include/mach/regs-clock.h +++ b/arch/arm/mach-s3c2410/include/mach/regs-clock.h @@ -161,4 +161,6 @@ #endif /* CONFIG_CPU_S3C2412 | CONFIG_CPU_S3C2413 */ +#define S3C2416_CLKDIV2 S3C2410_CLKREG(0x28) + #endif /* __ASM_ARM_REGS_CLOCK */ diff --git a/arch/arm/mach-s3c2410/include/mach/regs-dsc.h b/arch/arm/mach-s3c2410/include/mach/regs-dsc.h index 3c3853cd3cf7..98fd4a05587c 100644 --- a/arch/arm/mach-s3c2410/include/mach/regs-dsc.h +++ b/arch/arm/mach-s3c2410/include/mach/regs-dsc.h @@ -19,6 +19,42 @@ #define S3C2412_DSC1 S3C2410_GPIOREG(0xe0) #endif +#if defined(CONFIG_CPU_S3C2416) +#define S3C2416_DSC0 S3C2410_GPIOREG(0xc0) +#define S3C2416_DSC1 S3C2410_GPIOREG(0xc4) +#define S3C2416_DSC2 S3C2410_GPIOREG(0xc8) +#define S3C2416_DSC3 S3C2410_GPIOREG(0x110) + +#define S3C2416_SELECT_DSC0 (0 << 30) +#define S3C2416_SELECT_DSC1 (1 << 30) +#define S3C2416_SELECT_DSC2 (2 << 30) +#define S3C2416_SELECT_DSC3 (3 << 30) + +#define S3C2416_DSC_GETSHIFT(x) (x & 30) + +#define S3C2416_DSC0_CF (S3C2416_SELECT_DSC0 | 28) +#define S3C2416_DSC0_CF_5mA (0 << 28) +#define S3C2416_DSC0_CF_10mA (1 << 28) +#define S3C2416_DSC0_CF_15mA (2 << 28) +#define S3C2416_DSC0_CF_21mA (3 << 28) +#define S3C2416_DSC0_CF_MASK (3 << 28) + +#define S3C2416_DSC0_nRBE (S3C2416_SELECT_DSC0 | 26) +#define S3C2416_DSC0_nRBE_5mA (0 << 26) +#define S3C2416_DSC0_nRBE_10mA (1 << 26) +#define S3C2416_DSC0_nRBE_15mA (2 << 26) +#define S3C2416_DSC0_nRBE_21mA (3 << 26) +#define S3C2416_DSC0_nRBE_MASK (3 << 26) + +#define S3C2416_DSC0_nROE (S3C2416_SELECT_DSC0 | 24) +#define S3C2416_DSC0_nROE_5mA (0 << 24) +#define S3C2416_DSC0_nROE_10mA (1 << 24) +#define S3C2416_DSC0_nROE_15mA (2 << 24) +#define S3C2416_DSC0_nROE_21mA (3 << 24) +#define S3C2416_DSC0_nROE_MASK (3 << 24) + +#endif + #if defined(CONFIG_CPU_S3C244X) #define S3C2440_DSC0 S3C2410_GPIOREG(0xc4) diff --git a/arch/arm/mach-s3c2410/include/mach/regs-gpio.h b/arch/arm/mach-s3c2410/include/mach/regs-gpio.h index fd672f330bf2..a6384239eddf 100644 --- a/arch/arm/mach-s3c2410/include/mach/regs-gpio.h +++ b/arch/arm/mach-s3c2410/include/mach/regs-gpio.h @@ -610,35 +610,73 @@ #define S3C2410_GPHUP S3C2410_GPIOREG(0x78) #define S3C2410_GPH0_nCTS0 (0x02 << 0) +#define S3C2416_GPH0_TXD0 (0x02 << 0) #define S3C2410_GPH1_nRTS0 (0x02 << 2) +#define S3C2416_GPH1_RXD0 (0x02 << 2) #define S3C2410_GPH2_TXD0 (0x02 << 4) +#define S3C2416_GPH2_TXD1 (0x02 << 4) #define S3C2410_GPH3_RXD0 (0x02 << 6) +#define S3C2416_GPH3_RXD1 (0x02 << 6) #define S3C2410_GPH4_TXD1 (0x02 << 8) +#define S3C2416_GPH4_TXD2 (0x02 << 8) #define S3C2410_GPH5_RXD1 (0x02 << 10) +#define S3C2416_GPH5_RXD2 (0x02 << 10) #define S3C2410_GPH6_TXD2 (0x02 << 12) +#define S3C2416_GPH6_TXD3 (0x02 << 12) #define S3C2410_GPH6_nRTS1 (0x03 << 12) +#define S3C2416_GPH6_nRTS2 (0x03 << 12) #define S3C2410_GPH7_RXD2 (0x02 << 14) +#define S3C2416_GPH7_RXD3 (0x02 << 14) #define S3C2410_GPH7_nCTS1 (0x03 << 14) +#define S3C2416_GPH7_nCTS2 (0x03 << 14) #define S3C2410_GPH8_UCLK (0x02 << 16) +#define S3C2416_GPH8_nCTS0 (0x02 << 16) #define S3C2410_GPH9_CLKOUT0 (0x02 << 18) #define S3C2442_GPH9_nSPICS0 (0x03 << 18) +#define S3C2416_GPH9_nRTS0 (0x02 << 18) #define S3C2410_GPH10_CLKOUT1 (0x02 << 20) +#define S3C2416_GPH10_nCTS1 (0x02 << 20) + +#define S3C2416_GPH11_nRTS1 (0x02 << 22) + +#define S3C2416_GPH12_EXTUARTCLK (0x02 << 24) + +#define S3C2416_GPH13_CLKOUT0 (0x02 << 26) + +#define S3C2416_GPH14_CLKOUT1 (0x02 << 28) /* The S3C2412 and S3C2413 move the GPJ register set to after * GPH, which means all registers after 0x80 are now offset by 0x10 * for the 2412/2413 from the 2410/2440/2442 */ +/* S3C2443 and above */ +#define S3C2440_GPJCON S3C2410_GPIOREG(0xD0) +#define S3C2440_GPJDAT S3C2410_GPIOREG(0xD4) +#define S3C2440_GPJUP S3C2410_GPIOREG(0xD8) + +#define S3C2443_GPKCON S3C2410_GPIOREG(0xE0) +#define S3C2443_GPKDAT S3C2410_GPIOREG(0xE4) +#define S3C2443_GPKUP S3C2410_GPIOREG(0xE8) + +#define S3C2443_GPLCON S3C2410_GPIOREG(0xF0) +#define S3C2443_GPLDAT S3C2410_GPIOREG(0xF4) +#define S3C2443_GPLUP S3C2410_GPIOREG(0xF8) + +#define S3C2443_GPMCON S3C2410_GPIOREG(0x100) +#define S3C2443_GPMDAT S3C2410_GPIOREG(0x104) +#define S3C2443_GPMUP S3C2410_GPIOREG(0x108) + /* miscellaneous control */ #define S3C2400_MISCCR S3C2410_GPIOREG(0x54) #define S3C2410_MISCCR S3C2410_GPIOREG(0x80) @@ -686,6 +724,7 @@ #define S3C2412_MISCCR_CLK1_CLKsrc (0<<8) #define S3C2410_MISCCR_USBSUSPND0 (1<<12) +#define S3C2416_MISCCR_SEL_SUSPND (1<<12) #define S3C2410_MISCCR_USBSUSPND1 (1<<13) #define S3C2410_MISCCR_nRSTCON (1<<16) @@ -695,6 +734,9 @@ #define S3C2410_MISCCR_nEN_SCLKE (1<<19) /* not 2412 */ #define S3C2410_MISCCR_SDSLEEP (7<<17) +#define S3C2416_MISCCR_FLT_I2C (1<<24) +#define S3C2416_MISCCR_HSSPI_EN2 (1<<31) + /* external interrupt control... */ /* S3C2410_EXTINT0 -> irq sense control for EINT0..EINT7 * S3C2410_EXTINT1 -> irq sense control for EINT8..EINT15 @@ -762,8 +804,11 @@ #define S3C2410_GSTATUS1_IDMASK (0xffff0000) #define S3C2410_GSTATUS1_2410 (0x32410000) #define S3C2410_GSTATUS1_2412 (0x32412001) +#define S3C2410_GSTATUS1_2416 (0x32416003) #define S3C2410_GSTATUS1_2440 (0x32440000) #define S3C2410_GSTATUS1_2442 (0x32440aaa) +/* some 2416 CPUs report this value also */ +#define S3C2410_GSTATUS1_2450 (0x32450003) #define S3C2410_GSTATUS2_WTRESET (1<<2) #define S3C2410_GSTATUS2_OFFRESET (1<<1) diff --git a/arch/arm/mach-s3c2410/include/mach/regs-gpioj.h b/arch/arm/mach-s3c2410/include/mach/regs-gpioj.h index 1202ca5e99f6..19575e061114 100644 --- a/arch/arm/mach-s3c2410/include/mach/regs-gpioj.h +++ b/arch/arm/mach-s3c2410/include/mach/regs-gpioj.h @@ -22,85 +22,49 @@ * pull up works like all other ports. */ -#define S3C2440_GPIO_BANKJ (416) - -#define S3C2440_GPJCON S3C2410_GPIOREG(0xd0) -#define S3C2440_GPJDAT S3C2410_GPIOREG(0xd4) -#define S3C2440_GPJUP S3C2410_GPIOREG(0xd8) - #define S3C2413_GPJCON S3C2410_GPIOREG(0x80) #define S3C2413_GPJDAT S3C2410_GPIOREG(0x84) #define S3C2413_GPJUP S3C2410_GPIOREG(0x88) #define S3C2413_GPJSLPCON S3C2410_GPIOREG(0x8C) -#define S3C2440_GPJ0 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 0) -#define S3C2440_GPJ0_INP (0x00 << 0) #define S3C2440_GPJ0_OUTP (0x01 << 0) #define S3C2440_GPJ0_CAMDATA0 (0x02 << 0) -#define S3C2440_GPJ1 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 1) -#define S3C2440_GPJ1_INP (0x00 << 2) #define S3C2440_GPJ1_OUTP (0x01 << 2) #define S3C2440_GPJ1_CAMDATA1 (0x02 << 2) -#define S3C2440_GPJ2 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 2) -#define S3C2440_GPJ2_INP (0x00 << 4) #define S3C2440_GPJ2_OUTP (0x01 << 4) #define S3C2440_GPJ2_CAMDATA2 (0x02 << 4) -#define S3C2440_GPJ3 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 3) -#define S3C2440_GPJ3_INP (0x00 << 6) #define S3C2440_GPJ3_OUTP (0x01 << 6) #define S3C2440_GPJ3_CAMDATA3 (0x02 << 6) -#define S3C2440_GPJ4 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 4) -#define S3C2440_GPJ4_INP (0x00 << 8) #define S3C2440_GPJ4_OUTP (0x01 << 8) #define S3C2440_GPJ4_CAMDATA4 (0x02 << 8) -#define S3C2440_GPJ5 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 5) -#define S3C2440_GPJ5_INP (0x00 << 10) #define S3C2440_GPJ5_OUTP (0x01 << 10) #define S3C2440_GPJ5_CAMDATA5 (0x02 << 10) -#define S3C2440_GPJ6 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 6) -#define S3C2440_GPJ6_INP (0x00 << 12) #define S3C2440_GPJ6_OUTP (0x01 << 12) #define S3C2440_GPJ6_CAMDATA6 (0x02 << 12) -#define S3C2440_GPJ7 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 7) -#define S3C2440_GPJ7_INP (0x00 << 14) #define S3C2440_GPJ7_OUTP (0x01 << 14) #define S3C2440_GPJ7_CAMDATA7 (0x02 << 14) -#define S3C2440_GPJ8 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 8) -#define S3C2440_GPJ8_INP (0x00 << 16) #define S3C2440_GPJ8_OUTP (0x01 << 16) #define S3C2440_GPJ8_CAMPCLK (0x02 << 16) -#define S3C2440_GPJ9 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 9) -#define S3C2440_GPJ9_INP (0x00 << 18) #define S3C2440_GPJ9_OUTP (0x01 << 18) #define S3C2440_GPJ9_CAMVSYNC (0x02 << 18) -#define S3C2440_GPJ10 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 10) -#define S3C2440_GPJ10_INP (0x00 << 20) #define S3C2440_GPJ10_OUTP (0x01 << 20) #define S3C2440_GPJ10_CAMHREF (0x02 << 20) -#define S3C2440_GPJ11 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 11) -#define S3C2440_GPJ11_INP (0x00 << 22) #define S3C2440_GPJ11_OUTP (0x01 << 22) #define S3C2440_GPJ11_CAMCLKOUT (0x02 << 22) -#define S3C2440_GPJ12 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 12) -#define S3C2440_GPJ12_INP (0x00 << 24) #define S3C2440_GPJ12_OUTP (0x01 << 24) #define S3C2440_GPJ12_CAMRESET (0x02 << 24) -#define S3C2443_GPJ13 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 13) -#define S3C2443_GPJ14 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 14) -#define S3C2443_GPJ15 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 15) - #endif /* __ASM_ARCH_REGS_GPIOJ_H */ diff --git a/arch/arm/mach-s3c2410/include/mach/regs-irq.h b/arch/arm/mach-s3c2410/include/mach/regs-irq.h index de86ee8812bd..0f07ba30b1fb 100644 --- a/arch/arm/mach-s3c2410/include/mach/regs-irq.h +++ b/arch/arm/mach-s3c2410/include/mach/regs-irq.h @@ -27,6 +27,16 @@ #define S3C2410_SUBSRCPND S3C2410_IRQREG(0x018) #define S3C2410_INTSUBMSK S3C2410_IRQREG(0x01C) +#define S3C2416_PRIORITY_MODE1 S3C2410_IRQREG(0x030) +#define S3C2416_PRIORITY_UPDATE1 S3C2410_IRQREG(0x034) +#define S3C2416_SRCPND2 S3C2410_IRQREG(0x040) +#define S3C2416_INTMOD2 S3C2410_IRQREG(0x044) +#define S3C2416_INTMSK2 S3C2410_IRQREG(0x048) +#define S3C2416_INTPND2 S3C2410_IRQREG(0x050) +#define S3C2416_INTOFFSET2 S3C2410_IRQREG(0x054) +#define S3C2416_PRIORITY_MODE2 S3C2410_IRQREG(0x070) +#define S3C2416_PRIORITY_UPDATE2 S3C2410_IRQREG(0x074) + /* mask: 0=enable, 1=disable * 1 bit EINT, 4=EINT4, 23=EINT23 * EINT0,1,2,3 are not handled here. diff --git a/arch/arm/mach-s3c2410/include/mach/regs-s3c2416-mem.h b/arch/arm/mach-s3c2410/include/mach/regs-s3c2416-mem.h new file mode 100644 index 000000000000..2f31b74974af --- /dev/null +++ b/arch/arm/mach-s3c2410/include/mach/regs-s3c2416-mem.h @@ -0,0 +1,30 @@ +/* arch/arm/mach-s3c2410/include/mach/regs-s3c2416-mem.h + * + * Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>, + * as part of OpenInkpot project + * Copyright (c) 2009 Promwad Innovation Company + * Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * S3C2416 memory register definitions +*/ + +#ifndef __ASM_ARM_REGS_S3C2416_MEM +#define __ASM_ARM_REGS_S3C2416_MEM + +#ifndef S3C2416_MEMREG +#define S3C2416_MEMREG(x) (S3C24XX_VA_MEMCTRL + (x)) +#endif + +#define S3C2416_BANKCFG S3C2416_MEMREG(0x00) +#define S3C2416_BANKCON1 S3C2416_MEMREG(0x04) +#define S3C2416_BANKCON2 S3C2416_MEMREG(0x08) +#define S3C2416_BANKCON3 S3C2416_MEMREG(0x0C) + +#define S3C2416_REFRESH S3C2416_MEMREG(0x10) +#define S3C2416_TIMEOUT S3C2416_MEMREG(0x14) + +#endif /* __ASM_ARM_REGS_S3C2416_MEM */ diff --git a/arch/arm/mach-s3c2410/include/mach/regs-s3c2416.h b/arch/arm/mach-s3c2410/include/mach/regs-s3c2416.h new file mode 100644 index 000000000000..e443167efb87 --- /dev/null +++ b/arch/arm/mach-s3c2410/include/mach/regs-s3c2416.h @@ -0,0 +1,24 @@ +/* arch/arm/mach-s3c2410/include/mach/regs-s3c2416.h + * + * Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>, + * as part of OpenInkpot project + * Copyright (c) 2009 Promwad Innovation Company + * Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * S3C2416 specific register definitions +*/ + +#ifndef __ASM_ARCH_REGS_S3C2416_H +#define __ASM_ARCH_REGS_S3C2416_H "s3c2416" + +#define S3C2416_SWRST (S3C24XX_VA_CLKPWR + 0x44) +#define S3C2416_SWRST_RESET (0x533C2416) + +/* see regs-power.h for the other registers in the power block. */ + +#endif /* __ASM_ARCH_REGS_S3C2416_H */ + diff --git a/arch/arm/mach-s3c2410/include/mach/uncompress.h b/arch/arm/mach-s3c2410/include/mach/uncompress.h index 72f756c5e504..8b283f847daa 100644 --- a/arch/arm/mach-s3c2410/include/mach/uncompress.h +++ b/arch/arm/mach-s3c2410/include/mach/uncompress.h @@ -40,7 +40,9 @@ static void arch_detect_cpu(void) cpuid &= S3C2410_GSTATUS1_IDMASK; if (is_arm926() || cpuid == S3C2410_GSTATUS1_2440 || - cpuid == S3C2410_GSTATUS1_2442) { + cpuid == S3C2410_GSTATUS1_2442 || + cpuid == S3C2410_GSTATUS1_2416 || + cpuid == S3C2410_GSTATUS1_2450) { fifo_mask = S3C2440_UFSTAT_TXMASK; fifo_max = 63 << S3C2440_UFSTAT_TXSHIFT; } else { diff --git a/arch/arm/mach-s3c2410/mach-amlm5900.c b/arch/arm/mach-s3c2410/mach-amlm5900.c index 7047317ed7f4..34fc05a4244b 100644 --- a/arch/arm/mach-s3c2410/mach-amlm5900.c +++ b/arch/arm/mach-s3c2410/mach-amlm5900.c @@ -56,6 +56,7 @@ #include <plat/iic.h> #include <plat/devs.h> #include <plat/cpu.h> +#include <plat/gpio-cfg.h> #ifdef CONFIG_MTD_PARTITIONS @@ -225,8 +226,8 @@ static void amlm5900_init_pm(void) } else { enable_irq_wake(IRQ_EINT9); /* configure the suspend/resume status pin */ - s3c2410_gpio_cfgpin(S3C2410_GPF(2), S3C2410_GPIO_OUTPUT); - s3c2410_gpio_pullup(S3C2410_GPF(2), 0); + s3c_gpio_cfgpin(S3C2410_GPF(2), S3C2410_GPIO_OUTPUT); + s3c_gpio_setpull(S3C2410_GPF(2), S3C_GPIO_PULL_UP); } } static void __init amlm5900_init(void) diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c index 02b1b6220cba..b061ddcf3067 100644 --- a/arch/arm/mach-s3c2410/mach-bast.c +++ b/arch/arm/mach-s3c2410/mach-bast.c @@ -61,6 +61,7 @@ #include <plat/devs.h> #include <plat/cpu.h> #include <plat/cpu-freq.h> +#include <plat/gpio-cfg.h> #include <plat/audio-simtec.h> #include "usb-simtec.h" @@ -216,15 +217,13 @@ static struct s3c2410_uartcfg bast_uartcfgs[] __initdata = { static int bast_pm_suspend(struct sys_device *sd, pm_message_t state) { /* ensure that an nRESET is not generated on resume. */ - s3c2410_gpio_setpin(S3C2410_GPA(21), 1); - s3c2410_gpio_cfgpin(S3C2410_GPA(21), S3C2410_GPIO_OUTPUT); - + gpio_direction_output(S3C2410_GPA(21), 1); return 0; } static int bast_pm_resume(struct sys_device *sd) { - s3c2410_gpio_cfgpin(S3C2410_GPA(21), S3C2410_GPA21_nRSTOUT); + s3c_gpio_cfgpin(S3C2410_GPA(21), S3C2410_GPA21_nRSTOUT); return 0; } @@ -658,6 +657,8 @@ static void __init bast_init(void) nor_simtec_init(); simtec_audio_add(NULL, true, &bast_audio); + WARN_ON(gpio_request(S3C2410_GPA(21), "bast nreset")); + s3c_cpufreq_setboard(&bast_cpufreq); } diff --git a/arch/arm/mach-s3c2410/mach-h1940.c b/arch/arm/mach-s3c2410/mach-h1940.c index fbedd0760941..9531b4c41deb 100644 --- a/arch/arm/mach-s3c2410/mach-h1940.c +++ b/arch/arm/mach-s3c2410/mach-h1940.c @@ -50,6 +50,7 @@ #include <plat/udc.h> #include <plat/iic.h> +#include <plat/gpio-cfg.h> #include <plat/clock.h> #include <plat/devs.h> #include <plat/cpu.h> @@ -207,16 +208,16 @@ static int h1940_backlight_init(struct device *dev) { gpio_request(S3C2410_GPB(0), "Backlight"); - s3c2410_gpio_setpin(S3C2410_GPB(0), 0); - s3c2410_gpio_pullup(S3C2410_GPB(0), 0); - s3c2410_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0); + gpio_direction_output(S3C2410_GPB(0), 0); + s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE); + s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0); return 0; } static void h1940_backlight_exit(struct device *dev) { - s3c2410_gpio_cfgpin(S3C2410_GPB(0), 1/*S3C2410_GPB0_OUTP*/); + gpio_direction_output(S3C2410_GPB(0), 1); } static struct platform_pwm_backlight_data backlight_data = { @@ -245,18 +246,18 @@ static void h1940_lcd_power_set(struct plat_lcd_data *pd, if (!power) { /* set to 3ec */ - s3c2410_gpio_setpin(S3C2410_GPC(0), 0); + gpio_direction_output(S3C2410_GPC(0), 0); /* wait for 3ac */ do { - value = s3c2410_gpio_getpin(S3C2410_GPC(6)); + value = gpio_get_value(S3C2410_GPC(6)); } while (value); /* set to 38c */ - s3c2410_gpio_setpin(S3C2410_GPC(5), 0); + gpio_direction_output(S3C2410_GPC(5), 0); } else { /* Set to 3ac */ - s3c2410_gpio_setpin(S3C2410_GPC(5), 1); + gpio_direction_output(S3C2410_GPC(5), 1); /* Set to 3ad */ - s3c2410_gpio_setpin(S3C2410_GPC(0), 1); + gpio_direction_output(S3C2410_GPC(0), 1); } } @@ -332,6 +333,7 @@ static void __init h1940_init(void) gpio_request(S3C2410_GPC(5), "LCD power"); gpio_request(S3C2410_GPC(6), "LCD power"); + gpio_direction_input(S3C2410_GPC(6)); platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices)); } diff --git a/arch/arm/mach-s3c2410/mach-n30.c b/arch/arm/mach-s3c2410/mach-n30.c index 684710f88142..75a9fd37a467 100644 --- a/arch/arm/mach-s3c2410/mach-n30.c +++ b/arch/arm/mach-s3c2410/mach-n30.c @@ -86,10 +86,10 @@ static void n30_udc_pullup(enum s3c2410_udc_cmd_e cmd) { switch (cmd) { case S3C2410_UDC_P_ENABLE : - s3c2410_gpio_setpin(S3C2410_GPB(3), 1); + gpio_set_value(S3C2410_GPB(3), 1); break; case S3C2410_UDC_P_DISABLE : - s3c2410_gpio_setpin(S3C2410_GPB(3), 0); + gpio_set_value(S3C2410_GPB(3), 0); break; case S3C2410_UDC_P_RESET : break; @@ -536,6 +536,9 @@ static void __init n30_init(void) platform_add_devices(n35_devices, ARRAY_SIZE(n35_devices)); } + + WARN_ON(gpio_request(S3C2410_GPB(3), "udc pup")); + gpio_direction_output(S3C2410_GPB(3), 0); } MACHINE_START(N30, "Acer-N30") diff --git a/arch/arm/mach-s3c2410/mach-qt2410.c b/arch/arm/mach-s3c2410/mach-qt2410.c index 92a4ec375d82..d0e87b6e2e0f 100644 --- a/arch/arm/mach-s3c2410/mach-qt2410.c +++ b/arch/arm/mach-s3c2410/mach-qt2410.c @@ -58,6 +58,7 @@ #include <plat/iic.h> #include <plat/common-smdk.h> +#include <plat/gpio-cfg.h> #include <plat/devs.h> #include <plat/cpu.h> #include <plat/pm.h> @@ -219,10 +220,10 @@ static void spi_gpio_cs(struct s3c2410_spigpio_info *spi, int cs) { switch (cs) { case BITBANG_CS_ACTIVE: - s3c2410_gpio_setpin(S3C2410_GPB(5), 0); + gpio_set_value(S3C2410_GPB(5), 0); break; case BITBANG_CS_INACTIVE: - s3c2410_gpio_setpin(S3C2410_GPB(5), 1); + gpio_set_value(S3C2410_GPB(5), 1); break; } } @@ -347,13 +348,14 @@ static void __init qt2410_machine_init(void) } s3c24xx_fb_set_platdata(&qt2410_fb_info); - s3c2410_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPIO_OUTPUT); + s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPIO_OUTPUT); s3c2410_gpio_setpin(S3C2410_GPB(0), 1); s3c24xx_udc_set_platdata(&qt2410_udc_cfg); s3c_i2c0_set_platdata(NULL); - s3c2410_gpio_cfgpin(S3C2410_GPB(5), S3C2410_GPIO_OUTPUT); + WARN_ON(gpio_request(S3C2410_GPB(5), "spi cs")); + gpio_direction_output(S3C2410_GPB(5), 1); platform_add_devices(qt2410_devices, ARRAY_SIZE(qt2410_devices)); s3c_pm_init(); diff --git a/arch/arm/mach-s3c2410/mach-vr1000.c b/arch/arm/mach-s3c2410/mach-vr1000.c index 9051f0d31123..d540d79dd264 100644 --- a/arch/arm/mach-s3c2410/mach-vr1000.c +++ b/arch/arm/mach-s3c2410/mach-vr1000.c @@ -357,8 +357,7 @@ static struct clk *vr1000_clocks[] __initdata = { static void vr1000_power_off(void) { - s3c2410_gpio_cfgpin(S3C2410_GPB(9), S3C2410_GPIO_OUTPUT); - s3c2410_gpio_setpin(S3C2410_GPB(9), 1); + gpio_direction_output(S3C2410_GPB(9), 1); } static void __init vr1000_map_io(void) @@ -395,6 +394,8 @@ static void __init vr1000_init(void) nor_simtec_init(); simtec_audio_add(NULL, true, NULL); + + WARN_ON(gpio_request(S3C2410_GPB(9), "power off")); } MACHINE_START(VR1000, "Thorcom-VR1000") diff --git a/arch/arm/mach-s3c2410/s3c2410.c b/arch/arm/mach-s3c2410/s3c2410.c index 91ba42f688ac..adc90a3c5890 100644 --- a/arch/arm/mach-s3c2410/s3c2410.c +++ b/arch/arm/mach-s3c2410/s3c2410.c @@ -16,6 +16,7 @@ #include <linux/list.h> #include <linux/timer.h> #include <linux/init.h> +#include <linux/gpio.h> #include <linux/clk.h> #include <linux/sysdev.h> #include <linux/serial_core.h> @@ -40,6 +41,10 @@ #include <plat/clock.h> #include <plat/pll.h> +#include <plat/gpio-core.h> +#include <plat/gpio-cfg.h> +#include <plat/gpio-cfg-helpers.h> + /* Initial IO mappings */ static struct map_desc s3c2410_iodesc[] __initdata = { @@ -65,6 +70,9 @@ void __init s3c2410_init_uarts(struct s3c2410_uartcfg *cfg, int no) void __init s3c2410_map_io(void) { + s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_1up; + s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_1up; + iotable_init(s3c2410_iodesc, ARRAY_SIZE(s3c2410_iodesc)); } diff --git a/arch/arm/mach-s3c2412/Kconfig b/arch/arm/mach-s3c2412/Kconfig index 9a8c0657ae50..cef6a65637bd 100644 --- a/arch/arm/mach-s3c2412/Kconfig +++ b/arch/arm/mach-s3c2412/Kconfig @@ -16,7 +16,8 @@ config CPU_S3C2412 config CPU_S3C2412_ONLY bool depends on ARCH_S3C2410 && !CPU_S3C2400 && !CPU_S3C2410 && \ - !CPU_S3C2440 && !CPU_S3C2442 && !CPU_S3C2443 && CPU_S3C2412 + !CPU_2416 && !CPU_S3C2440 && !CPU_S3C2442 && \ + !CPU_S3C2443 && CPU_S3C2412 default y if CPU_S3C2412 config S3C2412_DMA diff --git a/arch/arm/mach-s3c2412/mach-jive.c b/arch/arm/mach-s3c2412/mach-jive.c index 14f4798291aa..43160183571a 100644 --- a/arch/arm/mach-s3c2412/mach-jive.c +++ b/arch/arm/mach-s3c2412/mach-jive.c @@ -48,6 +48,7 @@ #include <linux/mtd/nand_ecc.h> #include <linux/mtd/partitions.h> +#include <plat/gpio-cfg.h> #include <plat/clock.h> #include <plat/devs.h> #include <plat/cpu.h> @@ -357,8 +358,7 @@ static void jive_lcm_reset(unsigned int set) { printk(KERN_DEBUG "%s(%d)\n", __func__, set); - s3c2410_gpio_setpin(S3C2410_GPG(13), set); - s3c2410_gpio_cfgpin(S3C2410_GPG(13), S3C2410_GPIO_OUTPUT); + gpio_set_value(S3C2410_GPG(13), set); } #undef LCD_UPPER_MARGIN @@ -391,7 +391,7 @@ static struct ili9320_platdata jive_lcm_config = { static void jive_lcd_spi_chipselect(struct s3c2410_spigpio_info *spi, int cs) { - s3c2410_gpio_setpin(S3C2410_GPB(7), cs ? 0 : 1); + gpio_set_value(S3C2410_GPB(7), cs ? 0 : 1); } static struct s3c2410_spigpio_info jive_lcd_spi = { @@ -413,7 +413,7 @@ static struct platform_device jive_device_lcdspi = { static void jive_wm8750_chipselect(struct s3c2410_spigpio_info *spi, int cs) { - s3c2410_gpio_setpin(S3C2410_GPH(10), cs ? 0 : 1); + gpio_set_value(S3C2410_GPH(10), cs ? 0 : 1); } static struct s3c2410_spigpio_info jive_wm8750_spi = { @@ -531,7 +531,7 @@ static void jive_power_off(void) printk(KERN_INFO "powering system down...\n"); s3c2410_gpio_setpin(S3C2410_GPC(5), 1); - s3c2410_gpio_cfgpin(S3C2410_GPC(5), S3C2410_GPIO_OUTPUT); + s3c_gpio_cfgpin(S3C2410_GPC(5), S3C2410_GPIO_OUTPUT); } static void __init jive_machine_init(void) @@ -636,22 +636,22 @@ static void __init jive_machine_init(void) /* initialise the spi */ - s3c2410_gpio_setpin(S3C2410_GPG(13), 0); - s3c2410_gpio_cfgpin(S3C2410_GPG(13), S3C2410_GPIO_OUTPUT); + gpio_request(S3C2410_GPG(13), "lcm reset"); + gpio_direction_output(S3C2410_GPG(13), 0); - s3c2410_gpio_setpin(S3C2410_GPB(7), 1); - s3c2410_gpio_cfgpin(S3C2410_GPB(7), S3C2410_GPIO_OUTPUT); + gpio_request(S3C2410_GPB(7), "jive spi"); + gpio_direction_output(S3C2410_GPB(7), 1); s3c2410_gpio_setpin(S3C2410_GPB(6), 0); - s3c2410_gpio_cfgpin(S3C2410_GPB(6), S3C2410_GPIO_OUTPUT); + s3c_gpio_cfgpin(S3C2410_GPB(6), S3C2410_GPIO_OUTPUT); s3c2410_gpio_setpin(S3C2410_GPG(8), 1); - s3c2410_gpio_cfgpin(S3C2410_GPG(8), S3C2410_GPIO_OUTPUT); + s3c_gpio_cfgpin(S3C2410_GPG(8), S3C2410_GPIO_OUTPUT); /* initialise the WM8750 spi */ - s3c2410_gpio_setpin(S3C2410_GPH(10), 1); - s3c2410_gpio_cfgpin(S3C2410_GPH(10), S3C2410_GPIO_OUTPUT); + gpio_request(S3C2410_GPH(10), "jive wm8750 spi"); + gpio_direction_output(S3C2410_GPH(10), 1); /* Turn off suspend on both USB ports, and switch the * selectable USB port to USB device mode. */ diff --git a/arch/arm/mach-s3c2412/mach-smdk2413.c b/arch/arm/mach-s3c2412/mach-smdk2413.c index 0392065af1af..faddb36ed23b 100644 --- a/arch/arm/mach-s3c2412/mach-smdk2413.c +++ b/arch/arm/mach-s3c2412/mach-smdk2413.c @@ -85,10 +85,10 @@ static void smdk2413_udc_pullup(enum s3c2410_udc_cmd_e cmd) switch (cmd) { case S3C2410_UDC_P_ENABLE : - s3c2410_gpio_setpin(S3C2410_GPF(2), 1); + gpio_set_value(S3C2410_GPF(2), 1); break; case S3C2410_UDC_P_DISABLE : - s3c2410_gpio_setpin(S3C2410_GPF(2), 0); + gpio_set_value(S3C2410_GPF(2), 0); break; case S3C2410_UDC_P_RESET : break; @@ -134,8 +134,8 @@ static void __init smdk2413_machine_init(void) { /* Turn off suspend on both USB ports, and switch the * selectable USB port to USB device mode. */ - s3c2410_gpio_setpin(S3C2410_GPF(2), 0); - s3c2410_gpio_cfgpin(S3C2410_GPF(2), S3C2410_GPIO_OUTPUT); + WARN_ON(gpio_request(S3C2410_GPF(2), "udc pull")); + gpio_direction_output(S3C2410_GPF(2), 0); s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST | S3C2410_MISCCR_USBSUSPND0 | diff --git a/arch/arm/mach-s3c2416/Kconfig b/arch/arm/mach-s3c2416/Kconfig new file mode 100644 index 000000000000..29103a6047de --- /dev/null +++ b/arch/arm/mach-s3c2416/Kconfig @@ -0,0 +1,38 @@ +# arch/arm/mach-s3c2416/Kconfig +# +# Copyright 2009 Yauhen Kharuzhy <jekhor@gmail.com> +# +# Licensed under GPLv2 + +# note, this also supports the S3C2450 which is so similar it has the same +# ID code as the S3C2416. + +config CPU_S3C2416 + bool + depends on ARCH_S3C2410 + select CPU_ARM926T + select S3C2416_DMA if S3C2410_DMA + select CPU_LLSERIAL_S3C2440 + select S3C_GPIO_PULL_UPDOWN + select SAMSUNG_CLKSRC + select S3C2443_CLOCK + help + Support for the S3C2416 SoC from the S3C24XX line + +config S3C2416_DMA + bool + depends on CPU_S3C2416 + help + Internal config node for S3C2416 DMA support + +menu "S3C2416 Machines" + +config MACH_SMDK2416 + bool "SMDK2416" + select CPU_S3C2416 + select S3C_DEV_HSMMC + select S3C_DEV_HSMMC1 + help + Say Y here if you are using an SMDK2416 + +endmenu diff --git a/arch/arm/mach-s3c2416/Makefile b/arch/arm/mach-s3c2416/Makefile new file mode 100644 index 000000000000..6c12c7bf40ad --- /dev/null +++ b/arch/arm/mach-s3c2416/Makefile @@ -0,0 +1,19 @@ +# arch/arm/mach-s3c2416/Makefile +# +# Copyright 2009 Yauhen Kharuzhy <jekhor@gmail.com> +# +# Licensed under GPLv2 + +obj-y := +obj-m := +obj-n := +obj- := + +obj-$(CONFIG_CPU_S3C2416) += s3c2416.o clock.o +obj-$(CONFIG_CPU_S3C2416) += irq.o + +#obj-$(CONFIG_S3C2416_DMA) += dma.o + +# Machine support + +obj-$(CONFIG_MACH_SMDK2416) += mach-smdk2416.o diff --git a/arch/arm/mach-s3c2416/clock.c b/arch/arm/mach-s3c2416/clock.c new file mode 100644 index 000000000000..7ccf5a2a2bfc --- /dev/null +++ b/arch/arm/mach-s3c2416/clock.c @@ -0,0 +1,135 @@ +/* linux/arch/arm/mach-s3c2416/clock.c + * + * Copyright (c) 2010 Simtec Electronics + * Copyright (c) 2010 Ben Dooks <ben-linux@fluff.org> + * + * S3C2416 Clock control support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/init.h> +#include <linux/clk.h> + +#include <plat/s3c2416.h> +#include <plat/s3c2443.h> +#include <plat/clock.h> +#include <plat/clock-clksrc.h> +#include <plat/cpu.h> + +#include <plat/cpu-freq.h> +#include <plat/pll6553x.h> +#include <plat/pll.h> + +#include <asm/mach/map.h> + +#include <mach/regs-clock.h> +#include <mach/regs-s3c2443-clock.h> + +static unsigned int armdiv[8] = { + [0] = 1, + [1] = 2, + [2] = 3, + [3] = 4, + [5] = 6, + [7] = 8, +}; + +/* ID to hardware numbering, 0 is HSMMC1, 1 is HSMMC0 */ +static struct clksrc_clk hsmmc_div[] = { + [0] = { + .clk = { + .name = "hsmmc-div", + .id = 1, + .parent = &clk_esysclk.clk, + }, + .reg_div = { .reg = S3C2416_CLKDIV2, .size = 2, .shift = 6 }, + }, + [1] = { + .clk = { + .name = "hsmmc-div", + .id = 0, + .parent = &clk_esysclk.clk, + }, + .reg_div = { .reg = S3C2443_CLKDIV1, .size = 2, .shift = 6 }, + }, +}; + +static struct clksrc_clk hsmmc_mux[] = { + [0] = { + .clk = { + .id = 1, + .name = "hsmmc-if", + .ctrlbit = (1 << 6), + .enable = s3c2443_clkcon_enable_s, + }, + .sources = &(struct clksrc_sources) { + .nr_sources = 2, + .sources = (struct clk *[]) { + [0] = &hsmmc_div[0].clk, + [1] = NULL, /* to fix */ + }, + }, + .reg_src = { .reg = S3C2443_CLKSRC, .size = 1, .shift = 16 }, + }, + [1] = { + .clk = { + .id = 0, + .name = "hsmmc-if", + .ctrlbit = (1 << 12), + .enable = s3c2443_clkcon_enable_s, + }, + .sources = &(struct clksrc_sources) { + .nr_sources = 2, + .sources = (struct clk *[]) { + [0] = &hsmmc_div[1].clk, + [1] = NULL, /* to fix */ + }, + }, + .reg_src = { .reg = S3C2443_CLKSRC, .size = 1, .shift = 17 }, + }, +}; + + +static inline unsigned int s3c2416_fclk_div(unsigned long clkcon0) +{ + clkcon0 &= 7 << S3C2443_CLKDIV0_ARMDIV_SHIFT; + + return armdiv[clkcon0 >> S3C2443_CLKDIV0_ARMDIV_SHIFT]; +} + +void __init_or_cpufreq s3c2416_setup_clocks(void) +{ + s3c2443_common_setup_clocks(s3c2416_get_pll, s3c2416_fclk_div); +} + + +static struct clksrc_clk *clksrcs[] __initdata = { + &hsmmc_div[0], + &hsmmc_div[1], + &hsmmc_mux[0], + &hsmmc_mux[1], +}; + +void __init s3c2416_init_clocks(int xtal) +{ + u32 epllcon = __raw_readl(S3C2443_EPLLCON); + u32 epllcon1 = __raw_readl(S3C2443_EPLLCON+4); + int ptr; + + /* s3c2416 EPLL compatible with s3c64xx */ + clk_epll.rate = s3c_get_pll6553x(xtal, epllcon, epllcon1); + + clk_epll.parent = &clk_epllref.clk; + + s3c2443_common_init_clocks(xtal, s3c2416_get_pll, s3c2416_fclk_div); + + for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++) + s3c_register_clksrc(clksrcs[ptr], 1); + + s3c_pwmclk_init(); + +} diff --git a/arch/arm/mach-s3c2416/irq.c b/arch/arm/mach-s3c2416/irq.c new file mode 100644 index 000000000000..89f521d59d06 --- /dev/null +++ b/arch/arm/mach-s3c2416/irq.c @@ -0,0 +1,254 @@ +/* linux/arch/arm/mach-s3c2416/irq.c + * + * Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>, + * as part of OpenInkpot project + * Copyright (c) 2009 Promwad Innovation Company + * Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * +*/ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/ioport.h> +#include <linux/sysdev.h> +#include <linux/io.h> + +#include <mach/hardware.h> +#include <asm/irq.h> + +#include <asm/mach/irq.h> + +#include <mach/regs-irq.h> +#include <mach/regs-gpio.h> + +#include <plat/cpu.h> +#include <plat/pm.h> +#include <plat/irq.h> + +#define INTMSK(start, end) ((1 << ((end) + 1 - (start))) - 1) + +static inline void s3c2416_irq_demux(unsigned int irq, unsigned int len) +{ + unsigned int subsrc, submsk; + unsigned int end; + + /* read the current pending interrupts, and the mask + * for what it is available */ + + subsrc = __raw_readl(S3C2410_SUBSRCPND); + submsk = __raw_readl(S3C2410_INTSUBMSK); + + subsrc &= ~submsk; + subsrc >>= (irq - S3C2410_IRQSUB(0)); + subsrc &= (1 << len)-1; + + end = len + irq; + + for (; irq < end && subsrc; irq++) { + if (subsrc & 1) + generic_handle_irq(irq); + + subsrc >>= 1; + } +} + +/* WDT/AC97 sub interrupts */ + +static void s3c2416_irq_demux_wdtac97(unsigned int irq, struct irq_desc *desc) +{ + s3c2416_irq_demux(IRQ_S3C2443_WDT, 4); +} + +#define INTMSK_WDTAC97 (1UL << (IRQ_WDT - IRQ_EINT0)) +#define SUBMSK_WDTAC97 INTMSK(IRQ_S3C2443_WDT, IRQ_S3C2443_AC97) + +static void s3c2416_irq_wdtac97_mask(unsigned int irqno) +{ + s3c_irqsub_mask(irqno, INTMSK_WDTAC97, SUBMSK_WDTAC97); +} + +static void s3c2416_irq_wdtac97_unmask(unsigned int irqno) +{ + s3c_irqsub_unmask(irqno, INTMSK_WDTAC97); +} + +static void s3c2416_irq_wdtac97_ack(unsigned int irqno) +{ + s3c_irqsub_maskack(irqno, INTMSK_WDTAC97, SUBMSK_WDTAC97); +} + +static struct irq_chip s3c2416_irq_wdtac97 = { + .mask = s3c2416_irq_wdtac97_mask, + .unmask = s3c2416_irq_wdtac97_unmask, + .ack = s3c2416_irq_wdtac97_ack, +}; + + +/* LCD sub interrupts */ + +static void s3c2416_irq_demux_lcd(unsigned int irq, struct irq_desc *desc) +{ + s3c2416_irq_demux(IRQ_S3C2443_LCD1, 4); +} + +#define INTMSK_LCD (1UL << (IRQ_LCD - IRQ_EINT0)) +#define SUBMSK_LCD INTMSK(IRQ_S3C2443_LCD1, IRQ_S3C2443_LCD4) + +static void s3c2416_irq_lcd_mask(unsigned int irqno) +{ + s3c_irqsub_mask(irqno, INTMSK_LCD, SUBMSK_LCD); +} + +static void s3c2416_irq_lcd_unmask(unsigned int irqno) +{ + s3c_irqsub_unmask(irqno, INTMSK_LCD); +} + +static void s3c2416_irq_lcd_ack(unsigned int irqno) +{ + s3c_irqsub_maskack(irqno, INTMSK_LCD, SUBMSK_LCD); +} + +static struct irq_chip s3c2416_irq_lcd = { + .mask = s3c2416_irq_lcd_mask, + .unmask = s3c2416_irq_lcd_unmask, + .ack = s3c2416_irq_lcd_ack, +}; + + +/* DMA sub interrupts */ + +static void s3c2416_irq_demux_dma(unsigned int irq, struct irq_desc *desc) +{ + s3c2416_irq_demux(IRQ_S3C2443_DMA0, 6); +} + +#define INTMSK_DMA (1UL << (IRQ_S3C2443_DMA - IRQ_EINT0)) +#define SUBMSK_DMA INTMSK(IRQ_S3C2443_DMA0, IRQ_S3C2443_DMA5) + + +static void s3c2416_irq_dma_mask(unsigned int irqno) +{ + s3c_irqsub_mask(irqno, INTMSK_DMA, SUBMSK_DMA); +} + +static void s3c2416_irq_dma_unmask(unsigned int irqno) +{ + s3c_irqsub_unmask(irqno, INTMSK_DMA); +} + +static void s3c2416_irq_dma_ack(unsigned int irqno) +{ + s3c_irqsub_maskack(irqno, INTMSK_DMA, SUBMSK_DMA); +} + +static struct irq_chip s3c2416_irq_dma = { + .mask = s3c2416_irq_dma_mask, + .unmask = s3c2416_irq_dma_unmask, + .ack = s3c2416_irq_dma_ack, +}; + + +/* UART3 sub interrupts */ + +static void s3c2416_irq_demux_uart3(unsigned int irq, struct irq_desc *desc) +{ + s3c2416_irq_demux(IRQ_S3C2443_UART3, 3); +} + +#define INTMSK_UART3 (1UL << (IRQ_S3C2443_UART3 - IRQ_EINT0)) +#define SUBMSK_UART3 (0xf << (IRQ_S3C2443_RX3 - S3C2410_IRQSUB(0))) + + +static void s3c2416_irq_uart3_mask(unsigned int irqno) +{ + s3c_irqsub_mask(irqno, INTMSK_UART3, SUBMSK_UART3); +} + +static void s3c2416_irq_uart3_unmask(unsigned int irqno) +{ + s3c_irqsub_unmask(irqno, INTMSK_UART3); +} + +static void s3c2416_irq_uart3_ack(unsigned int irqno) +{ + s3c_irqsub_maskack(irqno, INTMSK_UART3, SUBMSK_UART3); +} + +static struct irq_chip s3c2416_irq_uart3 = { + .mask = s3c2416_irq_uart3_mask, + .unmask = s3c2416_irq_uart3_unmask, + .ack = s3c2416_irq_uart3_ack, +}; + + +/* IRQ initialisation code */ + +static int __init s3c2416_add_sub(unsigned int base, + void (*demux)(unsigned int, + struct irq_desc *), + struct irq_chip *chip, + unsigned int start, unsigned int end) +{ + unsigned int irqno; + + set_irq_chip(base, &s3c_irq_level_chip); + set_irq_handler(base, handle_level_irq); + set_irq_chained_handler(base, demux); + + for (irqno = start; irqno <= end; irqno++) { + set_irq_chip(irqno, chip); + set_irq_handler(irqno, handle_level_irq); + set_irq_flags(irqno, IRQF_VALID); + } + + return 0; +} + +static int __init s3c2416_irq_add(struct sys_device *sysdev) +{ + printk(KERN_INFO "S3C2416: IRQ Support\n"); + + s3c2416_add_sub(IRQ_LCD, s3c2416_irq_demux_lcd, &s3c2416_irq_lcd, + IRQ_S3C2443_LCD2, IRQ_S3C2443_LCD4); + + s3c2416_add_sub(IRQ_S3C2443_DMA, s3c2416_irq_demux_dma, + &s3c2416_irq_dma, IRQ_S3C2443_DMA0, IRQ_S3C2443_DMA5); + + s3c2416_add_sub(IRQ_S3C2443_UART3, s3c2416_irq_demux_uart3, + &s3c2416_irq_uart3, + IRQ_S3C2443_RX3, IRQ_S3C2443_ERR3); + + s3c2416_add_sub(IRQ_WDT, s3c2416_irq_demux_wdtac97, + &s3c2416_irq_wdtac97, + IRQ_S3C2443_WDT, IRQ_S3C2443_AC97); + + return 0; +} + +static struct sysdev_driver s3c2416_irq_driver = { + .add = s3c2416_irq_add, +}; + +static int __init s3c2416_irq_init(void) +{ + return sysdev_driver_register(&s3c2416_sysclass, &s3c2416_irq_driver); +} + +arch_initcall(s3c2416_irq_init); + diff --git a/arch/arm/mach-s3c2416/mach-smdk2416.c b/arch/arm/mach-s3c2416/mach-smdk2416.c new file mode 100644 index 000000000000..99d24c44f30f --- /dev/null +++ b/arch/arm/mach-s3c2416/mach-smdk2416.c @@ -0,0 +1,150 @@ +/* linux/arch/arm/mach-s3c2416/mach-hanlin_v3c.c + * + * Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>, + * as part of OpenInkpot project + * Copyright (c) 2009 Promwad Innovation Company + * Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/serial_core.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/mtd/partitions.h> +#include <linux/gpio.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <mach/hardware.h> +#include <asm/irq.h> +#include <asm/mach-types.h> + +#include <plat/regs-serial.h> +#include <mach/regs-gpio.h> +#include <mach/regs-lcd.h> + +#include <mach/idle.h> +#include <mach/fb.h> +#include <mach/leds-gpio.h> +#include <plat/iic.h> + +#include <plat/s3c2416.h> +#include <plat/clock.h> +#include <plat/devs.h> +#include <plat/cpu.h> +#include <plat/nand.h> + +#include <plat/common-smdk.h> + +static struct map_desc smdk2416_iodesc[] __initdata = { + /* ISA IO Space map (memory space selected by A24) */ + + { + .virtual = (u32)S3C24XX_VA_ISA_WORD, + .pfn = __phys_to_pfn(S3C2410_CS2), + .length = 0x10000, + .type = MT_DEVICE, + }, { + .virtual = (u32)S3C24XX_VA_ISA_WORD + 0x10000, + .pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)), + .length = SZ_4M, + .type = MT_DEVICE, + }, { + .virtual = (u32)S3C24XX_VA_ISA_BYTE, + .pfn = __phys_to_pfn(S3C2410_CS2), + .length = 0x10000, + .type = MT_DEVICE, + }, { + .virtual = (u32)S3C24XX_VA_ISA_BYTE + 0x10000, + .pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)), + .length = SZ_4M, + .type = MT_DEVICE, + } +}; + +#define UCON (S3C2410_UCON_DEFAULT | \ + S3C2440_UCON_PCLK | \ + S3C2443_UCON_RXERR_IRQEN) + +#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE) + +#define UFCON (S3C2410_UFCON_RXTRIG8 | \ + S3C2410_UFCON_FIFOMODE | \ + S3C2440_UFCON_TXTRIG16) + +static struct s3c2410_uartcfg smdk2416_uartcfgs[] __initdata = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + }, + /* IR port */ + [2] = { + .hwport = 2, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON | 0x50, + .ufcon = UFCON, + } +}; + +static struct platform_device *smdk2416_devices[] __initdata = { + &s3c_device_wdt, + &s3c_device_ohci, + &s3c_device_i2c0, + &s3c_device_hsmmc0, + &s3c_device_hsmmc1, +}; + +static void __init smdk2416_map_io(void) +{ + + s3c24xx_init_io(smdk2416_iodesc, ARRAY_SIZE(smdk2416_iodesc)); + s3c24xx_init_clocks(12000000); + s3c24xx_init_uarts(smdk2416_uartcfgs, ARRAY_SIZE(smdk2416_uartcfgs)); + +} + +static void __init smdk2416_machine_init(void) +{ + s3c_i2c0_set_platdata(NULL); + + gpio_request(S3C2410_GPB(4), "USBHost Power"); + gpio_direction_output(S3C2410_GPB(4), 1); + + platform_add_devices(smdk2416_devices, ARRAY_SIZE(smdk2416_devices)); + smdk_machine_init(); +} + +MACHINE_START(SMDK2416, "SMDK2416") + /* Maintainer: Yauhen Kharuzhy <jekhor@gmail.com> */ + .phys_io = S3C2410_PA_UART, + .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc, + .boot_params = S3C2410_SDRAM_PA + 0x100, + + .init_irq = s3c24xx_init_irq, + .map_io = smdk2416_map_io, + .init_machine = smdk2416_machine_init, + .timer = &s3c24xx_timer, +MACHINE_END diff --git a/arch/arm/mach-s3c2416/s3c2416.c b/arch/arm/mach-s3c2416/s3c2416.c new file mode 100644 index 000000000000..3bff05745d0b --- /dev/null +++ b/arch/arm/mach-s3c2416/s3c2416.c @@ -0,0 +1,128 @@ +/* linux/arch/arm/mach-s3c2416/s3c2416.c + * + * Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>, + * as part of OpenInkpot project + * Copyright (c) 2009 Promwad Innovation Company + * Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com> + * + * Samsung S3C2416 Mobile CPU support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/gpio.h> +#include <linux/platform_device.h> +#include <linux/serial_core.h> +#include <linux/sysdev.h> +#include <linux/clk.h> +#include <linux/io.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <mach/hardware.h> +#include <asm/proc-fns.h> +#include <asm/irq.h> + +#include <mach/reset.h> +#include <mach/idle.h> +#include <mach/regs-s3c2443-clock.h> + +#include <plat/gpio-core.h> +#include <plat/gpio-cfg.h> +#include <plat/gpio-cfg-helpers.h> +#include <plat/s3c2416.h> +#include <plat/devs.h> +#include <plat/cpu.h> + +#include <plat/iic-core.h> + +static struct map_desc s3c2416_iodesc[] __initdata = { + IODESC_ENT(WATCHDOG), + IODESC_ENT(CLKPWR), + IODESC_ENT(TIMER), +}; + +struct sysdev_class s3c2416_sysclass = { + .name = "s3c2416-core", +}; + +static struct sys_device s3c2416_sysdev = { + .cls = &s3c2416_sysclass, +}; + +static void s3c2416_hard_reset(void) +{ + __raw_writel(S3C2443_SWRST_RESET, S3C2443_SWRST); +} + +int __init s3c2416_init(void) +{ + printk(KERN_INFO "S3C2416: Initializing architecture\n"); + + s3c24xx_reset_hook = s3c2416_hard_reset; + /* s3c24xx_idle = s3c2416_idle; */ + + /* change WDT IRQ number */ + s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT; + s3c_device_wdt.resource[1].end = IRQ_S3C2443_WDT; + + /* the i2c devices are directly compatible with s3c2440 */ + s3c_i2c0_setname("s3c2440-i2c"); + s3c_i2c1_setname("s3c2440-i2c"); + + return sysdev_register(&s3c2416_sysdev); +} + +void __init s3c2416_init_uarts(struct s3c2410_uartcfg *cfg, int no) +{ + s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no); + + s3c_device_nand.name = "s3c2416-nand"; +} + +/* s3c2416_map_io + * + * register the standard cpu IO areas, and any passed in from the + * machine specific initialisation. + */ + +void __init s3c2416_map_io(void) +{ + s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_updown; + s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_updown; + + iotable_init(s3c2416_iodesc, ARRAY_SIZE(s3c2416_iodesc)); +} + +/* need to register class before we actually register the device, and + * we also need to ensure that it has been initialised before any of the + * drivers even try to use it (even if not on an s3c2416 based system) + * as a driver which may support both 2443 and 2440 may try and use it. +*/ + +static int __init s3c2416_core_init(void) +{ + return sysdev_class_register(&s3c2416_sysclass); +} + +core_initcall(s3c2416_core_init); diff --git a/arch/arm/mach-s3c2440/Kconfig b/arch/arm/mach-s3c2440/Kconfig index 7f465265cf04..9d102b912091 100644 --- a/arch/arm/mach-s3c2440/Kconfig +++ b/arch/arm/mach-s3c2440/Kconfig @@ -6,6 +6,7 @@ config CPU_S3C2440 bool depends on ARCH_S3C2410 select CPU_ARM920T + select S3C_GPIO_PULL_UP select S3C2410_CLOCK select S3C2410_PM if PM select S3C2410_GPIO diff --git a/arch/arm/mach-s3c2440/mach-mini2440.c b/arch/arm/mach-s3c2440/mach-mini2440.c index 571b17683d96..a76bcda210ad 100644 --- a/arch/arm/mach-s3c2440/mach-mini2440.c +++ b/arch/arm/mach-s3c2440/mach-mini2440.c @@ -53,6 +53,7 @@ #include <linux/mtd/nand_ecc.h> #include <linux/mtd/partitions.h> +#include <plat/gpio-cfg.h> #include <plat/clock.h> #include <plat/devs.h> #include <plat/cpu.h> @@ -102,10 +103,10 @@ static void mini2440_udc_pullup(enum s3c2410_udc_cmd_e cmd) switch (cmd) { case S3C2410_UDC_P_ENABLE : - s3c2410_gpio_setpin(S3C2410_GPC(5), 1); + gpio_set_value(S3C2410_GPC(5), 1); break; case S3C2410_UDC_P_DISABLE : - s3c2410_gpio_setpin(S3C2410_GPC(5), 0); + gpio_set_value(S3C2410_GPC(5), 0); break; case S3C2410_UDC_P_RESET : break; @@ -632,25 +633,25 @@ static void __init mini2440_init(void) mini2440_parse_features(&features, mini2440_features_str); /* turn LCD on */ - s3c2410_gpio_cfgpin(S3C2410_GPC(0), S3C2410_GPC0_LEND); + s3c_gpio_cfgpin(S3C2410_GPC(0), S3C2410_GPC0_LEND); /* Turn the backlight early on */ - s3c2410_gpio_setpin(S3C2410_GPG(4), 1); - s3c2410_gpio_cfgpin(S3C2410_GPG(4), S3C2410_GPIO_OUTPUT); + WARN_ON(gpio_request(S3C2410_GPG(4), "backlight")); + gpio_direction_output(S3C2410_GPG(4), 1); /* remove pullup on optional PWM backlight -- unused on 3.5 and 7"s */ - s3c2410_gpio_pullup(S3C2410_GPB(1), 0); + s3c_gpio_setpull(S3C2410_GPB(1), S3C_GPIO_PULL_UP); s3c2410_gpio_setpin(S3C2410_GPB(1), 0); - s3c2410_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPIO_INPUT); + s3c_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPIO_INPUT); /* Make sure the D+ pullup pin is output */ - s3c2410_gpio_cfgpin(S3C2410_GPC(5), S3C2410_GPIO_OUTPUT); + WARN_ON(gpio_request(S3C2410_GPC(5), "udc pup")); + gpio_direction_output(S3C2410_GPC(5), 0); /* mark the key as input, without pullups (there is one on the board) */ for (i = 0; i < ARRAY_SIZE(mini2440_buttons); i++) { - s3c2410_gpio_pullup(mini2440_buttons[i].gpio, 0); - s3c2410_gpio_cfgpin(mini2440_buttons[i].gpio, - S3C2410_GPIO_INPUT); + s3c_gpio_setpull(mini2440_buttons[i].gpio, S3C_GPIO_PULL_UP); + s3c_gpio_cfgpin(mini2440_buttons[i].gpio, S3C2410_GPIO_INPUT); } if (features.lcd_index != -1) { int li; diff --git a/arch/arm/mach-s3c2440/mach-nexcoder.c b/arch/arm/mach-s3c2440/mach-nexcoder.c index 342041593f22..3ff62de45fde 100644 --- a/arch/arm/mach-s3c2440/mach-nexcoder.c +++ b/arch/arm/mach-s3c2440/mach-nexcoder.c @@ -40,6 +40,7 @@ #include <plat/regs-serial.h> #include <plat/iic.h> +#include <plat/gpio-cfg.h> #include <plat/s3c2410.h> #include <plat/s3c244x.h> #include <plat/clock.h> @@ -122,15 +123,15 @@ static void __init nexcoder_sensorboard_init(void) { // Initialize SCCB bus s3c2410_gpio_setpin(S3C2410_GPE(14), 1); // IICSCL - s3c2410_gpio_cfgpin(S3C2410_GPE(14), S3C2410_GPIO_OUTPUT); + s3c_gpio_cfgpin(S3C2410_GPE(14), S3C2410_GPIO_OUTPUT); s3c2410_gpio_setpin(S3C2410_GPE(15), 1); // IICSDA - s3c2410_gpio_cfgpin(S3C2410_GPE(15), S3C2410_GPIO_OUTPUT); + s3c_gpio_cfgpin(S3C2410_GPE(15), S3C2410_GPIO_OUTPUT); // Power up the sensor board s3c2410_gpio_setpin(S3C2410_GPF(1), 1); - s3c2410_gpio_cfgpin(S3C2410_GPF(1), S3C2410_GPIO_OUTPUT); // CAM_GPIO7 => nLDO_PWRDN + s3c_gpio_cfgpin(S3C2410_GPF(1), S3C2410_GPIO_OUTPUT); // CAM_GPIO7 => nLDO_PWRDN s3c2410_gpio_setpin(S3C2410_GPF(2), 0); - s3c2410_gpio_cfgpin(S3C2410_GPF(2), S3C2410_GPIO_OUTPUT); // CAM_GPIO6 => CAM_PWRDN + s3c_gpio_cfgpin(S3C2410_GPF(2), S3C2410_GPIO_OUTPUT); // CAM_GPIO6 => CAM_PWRDN } static void __init nexcoder_map_io(void) diff --git a/arch/arm/mach-s3c2440/mach-osiris.c b/arch/arm/mach-s3c2440/mach-osiris.c index f35371db33f5..319458da71a0 100644 --- a/arch/arm/mach-s3c2440/mach-osiris.c +++ b/arch/arm/mach-s3c2440/mach-osiris.c @@ -49,6 +49,7 @@ #include <linux/mtd/nand_ecc.h> #include <linux/mtd/partitions.h> +#include <plat/gpio-cfg.h> #include <plat/clock.h> #include <plat/devs.h> #include <plat/cpu.h> @@ -298,7 +299,7 @@ static int osiris_pm_suspend(struct sys_device *sd, pm_message_t state) /* ensure that an nRESET is not generated on resume. */ s3c2410_gpio_setpin(S3C2410_GPA(21), 1); - s3c2410_gpio_cfgpin(S3C2410_GPA(21), S3C2410_GPIO_OUTPUT); + s3c_gpio_cfgpin(S3C2410_GPA(21), S3C2410_GPIO_OUTPUT); return 0; } @@ -310,7 +311,7 @@ static int osiris_pm_resume(struct sys_device *sd) __raw_writeb(pm_osiris_ctrl0, OSIRIS_VA_CTRL0); - s3c2410_gpio_cfgpin(S3C2410_GPA(21), S3C2410_GPA21_nRSTOUT); + s3c_gpio_cfgpin(S3C2410_GPA(21), S3C2410_GPA21_nRSTOUT); return 0; } diff --git a/arch/arm/mach-s3c2440/s3c2440.c b/arch/arm/mach-s3c2440/s3c2440.c index 2b68f7ea45ae..d50f3ae6173d 100644 --- a/arch/arm/mach-s3c2440/s3c2440.c +++ b/arch/arm/mach-s3c2440/s3c2440.c @@ -19,6 +19,7 @@ #include <linux/platform_device.h> #include <linux/serial_core.h> #include <linux/sysdev.h> +#include <linux/gpio.h> #include <linux/clk.h> #include <linux/io.h> @@ -33,6 +34,10 @@ #include <plat/cpu.h> #include <plat/s3c244x.h> +#include <plat/gpio-core.h> +#include <plat/gpio-cfg.h> +#include <plat/gpio-cfg-helpers.h> + static struct sys_device s3c2440_sysdev = { .cls = &s3c2440_sysclass, }; @@ -41,6 +46,9 @@ int __init s3c2440_init(void) { printk("S3C2440: Initialising architecture\n"); + s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_1up; + s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_1up; + /* change irq for watchdog */ s3c_device_wdt.resource[1].start = IRQ_S3C2440_WDT; diff --git a/arch/arm/mach-s3c2443/Kconfig b/arch/arm/mach-s3c2443/Kconfig index 698140af247c..4fef723126fa 100644 --- a/arch/arm/mach-s3c2443/Kconfig +++ b/arch/arm/mach-s3c2443/Kconfig @@ -8,6 +8,7 @@ config CPU_S3C2443 select S3C2443_DMA if S3C2410_DMA select CPU_LLSERIAL_S3C2440 select SAMSUNG_CLKSRC + select S3C2443_CLOCK help Support for the S3C2443 SoC from the S3C24XX line diff --git a/arch/arm/mach-s3c2443/clock.c b/arch/arm/mach-s3c2443/clock.c index 62cd4eaee01b..83b1aa63d778 100644 --- a/arch/arm/mach-s3c2443/clock.c +++ b/arch/arm/mach-s3c2443/clock.c @@ -21,6 +21,7 @@ */ #include <linux/init.h> + #include <linux/module.h> #include <linux/kernel.h> #include <linux/list.h> @@ -54,111 +55,13 @@ * set the correct muxing at initialisation */ -static int s3c2443_gate(void __iomem *reg, struct clk *clk, int enable) -{ - u32 ctrlbit = clk->ctrlbit; - u32 con = __raw_readl(reg); - - if (enable) - con |= ctrlbit; - else - con &= ~ctrlbit; - - __raw_writel(con, reg); - return 0; -} - -static int s3c2443_clkcon_enable_h(struct clk *clk, int enable) -{ - return s3c2443_gate(S3C2443_HCLKCON, clk, enable); -} - -static int s3c2443_clkcon_enable_p(struct clk *clk, int enable) -{ - return s3c2443_gate(S3C2443_PCLKCON, clk, enable); -} - -static int s3c2443_clkcon_enable_s(struct clk *clk, int enable) -{ - return s3c2443_gate(S3C2443_SCLKCON, clk, enable); -} - /* clock selections */ -/* mpllref is a direct descendant of clk_xtal by default, but it is not - * elided as the EPLL can be either sourced by the XTAL or EXTCLK and as - * such directly equating the two source clocks is impossible. - */ -static struct clk clk_mpllref = { - .name = "mpllref", - .parent = &clk_xtal, - .id = -1, -}; - static struct clk clk_i2s_ext = { .name = "i2s-ext", .id = -1, }; -static struct clk *clk_epllref_sources[] = { - [0] = &clk_mpllref, - [1] = &clk_mpllref, - [2] = &clk_xtal, - [3] = &clk_ext, -}; - -static struct clksrc_clk clk_epllref = { - .clk = { - .name = "epllref", - .id = -1, - }, - .sources = &(struct clksrc_sources) { - .sources = clk_epllref_sources, - .nr_sources = ARRAY_SIZE(clk_epllref_sources), - }, - .reg_src = { .reg = S3C2443_CLKSRC, .size = 2, .shift = 7 }, -}; - -static unsigned long s3c2443_getrate_mdivclk(struct clk *clk) -{ - unsigned long parent_rate = clk_get_rate(clk->parent); - unsigned long div = __raw_readl(S3C2443_CLKDIV0); - - div &= S3C2443_CLKDIV0_EXTDIV_MASK; - div >>= (S3C2443_CLKDIV0_EXTDIV_SHIFT-1); /* x2 */ - - return parent_rate / (div + 1); -} - -static struct clk clk_mdivclk = { - .name = "mdivclk", - .parent = &clk_mpllref, - .id = -1, - .ops = &(struct clk_ops) { - .get_rate = s3c2443_getrate_mdivclk, - }, -}; - -static struct clk *clk_msysclk_sources[] = { - [0] = &clk_mpllref, - [1] = &clk_mpll, - [2] = &clk_mdivclk, - [3] = &clk_mpllref, -}; - -static struct clksrc_clk clk_msysclk = { - .clk = { - .name = "msysclk", - .parent = &clk_xtal, - .id = -1, - }, - .sources = &(struct clksrc_sources) { - .sources = clk_msysclk_sources, - .nr_sources = ARRAY_SIZE(clk_msysclk_sources), - }, - .reg_src = { .reg = S3C2443_CLKSRC, .size = 2, .shift = 3 }, -}; - /* armdiv * * this clock is sourced from msysclk and can have a number of @@ -266,44 +169,6 @@ static struct clksrc_clk clk_arm = { .reg_src = { .reg = S3C2443_CLKDIV0, .size = 1, .shift = 13 }, }; -/* esysclk - * - * this is sourced from either the EPLL or the EPLLref clock -*/ - -static struct clk *clk_sysclk_sources[] = { - [0] = &clk_epllref.clk, - [1] = &clk_epll, -}; - -static struct clksrc_clk clk_esysclk = { - .clk = { - .name = "esysclk", - .parent = &clk_epll, - .id = -1, - }, - .sources = &(struct clksrc_sources) { - .sources = clk_sysclk_sources, - .nr_sources = ARRAY_SIZE(clk_sysclk_sources), - }, - .reg_src = { .reg = S3C2443_CLKSRC, .size = 1, .shift = 6 }, -}; - -/* uartclk - * - * UART baud-rate clock sourced from esysclk via a divisor -*/ - -static struct clksrc_clk clk_uart = { - .clk = { - .name = "uartclk", - .id = -1, - .parent = &clk_esysclk.clk, - }, - .reg_div = { .reg = S3C2443_CLKDIV1, .size = 4, .shift = 8 }, -}; - - /* hsspi * * high-speed spi clock, sourced from esysclk @@ -320,21 +185,6 @@ static struct clksrc_clk clk_hsspi = { .reg_div = { .reg = S3C2443_CLKDIV1, .size = 2, .shift = 4 }, }; -/* usbhost - * - * usb host bus-clock, usually 48MHz to provide USB bus clock timing -*/ - -static struct clksrc_clk clk_usb_bus_host = { - .clk = { - .name = "usb-bus-host-parent", - .id = -1, - .parent = &clk_esysclk.clk, - .ctrlbit = S3C2443_SCLKCON_USBHOST, - .enable = s3c2443_clkcon_enable_s, - }, - .reg_div = { .reg = S3C2443_CLKDIV1, .size = 2, .shift = 4 }, -}; /* clk_hsmcc_div * @@ -433,89 +283,16 @@ static struct clksrc_clk clk_i2s = { .reg_src = { .reg = S3C2443_CLKSRC, .size = 2, .shift = 14 }, }; -/* cam-if - * - * camera interface bus-clock, divided down from esysclk -*/ - -static struct clksrc_clk clk_cam = { - .clk = { - .name = "camif-upll", /* same as 2440 name */ - .id = -1, - .parent = &clk_esysclk.clk, - .ctrlbit = S3C2443_SCLKCON_CAMCLK, - .enable = s3c2443_clkcon_enable_s, - }, - .reg_div = { .reg = S3C2443_CLKDIV1, .size = 4, .shift = 26 }, -}; - -/* display-if - * - * display interface clock, divided from esysclk -*/ - -static struct clksrc_clk clk_display = { - .clk = { - .name = "display-if", - .id = -1, - .parent = &clk_esysclk.clk, - .ctrlbit = S3C2443_SCLKCON_DISPCLK, - .enable = s3c2443_clkcon_enable_s, - }, - .reg_div = { .reg = S3C2443_CLKDIV1, .size = 8, .shift = 16 }, -}; - -/* prediv - * - * this divides the msysclk down to pass to h/p/etc. - */ - -static unsigned long s3c2443_prediv_getrate(struct clk *clk) -{ - unsigned long rate = clk_get_rate(clk->parent); - unsigned long clkdiv0 = __raw_readl(S3C2443_CLKDIV0); - - clkdiv0 &= S3C2443_CLKDIV0_PREDIV_MASK; - clkdiv0 >>= S3C2443_CLKDIV0_PREDIV_SHIFT; - - return rate / (clkdiv0 + 1); -} - -static struct clk clk_prediv = { - .name = "prediv", - .id = -1, - .parent = &clk_msysclk.clk, - .ops = &(struct clk_ops) { - .get_rate = s3c2443_prediv_getrate, - }, -}; - /* standard clock definitions */ -static struct clk init_clocks_disable[] = { +static struct clk init_clocks_off[] = { { - .name = "nand", - .id = -1, - .parent = &clk_h, - }, { .name = "sdi", .id = -1, .parent = &clk_p, .enable = s3c2443_clkcon_enable_p, .ctrlbit = S3C2443_PCLKCON_SDI, }, { - .name = "adc", - .id = -1, - .parent = &clk_p, - .enable = s3c2443_clkcon_enable_p, - .ctrlbit = S3C2443_PCLKCON_ADC, - }, { - .name = "i2c", - .id = -1, - .parent = &clk_p, - .enable = s3c2443_clkcon_enable_p, - .ctrlbit = S3C2443_PCLKCON_IIC, - }, { .name = "iis", .id = -1, .parent = &clk_p, @@ -537,179 +314,12 @@ static struct clk init_clocks_disable[] = { }; static struct clk init_clocks[] = { - { - .name = "dma", - .id = 0, - .parent = &clk_h, - .enable = s3c2443_clkcon_enable_h, - .ctrlbit = S3C2443_HCLKCON_DMA0, - }, { - .name = "dma", - .id = 1, - .parent = &clk_h, - .enable = s3c2443_clkcon_enable_h, - .ctrlbit = S3C2443_HCLKCON_DMA1, - }, { - .name = "dma", - .id = 2, - .parent = &clk_h, - .enable = s3c2443_clkcon_enable_h, - .ctrlbit = S3C2443_HCLKCON_DMA2, - }, { - .name = "dma", - .id = 3, - .parent = &clk_h, - .enable = s3c2443_clkcon_enable_h, - .ctrlbit = S3C2443_HCLKCON_DMA3, - }, { - .name = "dma", - .id = 4, - .parent = &clk_h, - .enable = s3c2443_clkcon_enable_h, - .ctrlbit = S3C2443_HCLKCON_DMA4, - }, { - .name = "dma", - .id = 5, - .parent = &clk_h, - .enable = s3c2443_clkcon_enable_h, - .ctrlbit = S3C2443_HCLKCON_DMA5, - }, { - .name = "lcd", - .id = -1, - .parent = &clk_h, - .enable = s3c2443_clkcon_enable_h, - .ctrlbit = S3C2443_HCLKCON_LCDC, - }, { - .name = "gpio", - .id = -1, - .parent = &clk_p, - .enable = s3c2443_clkcon_enable_p, - .ctrlbit = S3C2443_PCLKCON_GPIO, - }, { - .name = "usb-host", - .id = -1, - .parent = &clk_h, - .enable = s3c2443_clkcon_enable_h, - .ctrlbit = S3C2443_HCLKCON_USBH, - }, { - .name = "usb-device", - .id = -1, - .parent = &clk_h, - .enable = s3c2443_clkcon_enable_h, - .ctrlbit = S3C2443_HCLKCON_USBD, - }, { - .name = "hsmmc", - .id = -1, - .parent = &clk_h, - .enable = s3c2443_clkcon_enable_h, - .ctrlbit = S3C2443_HCLKCON_HSMMC, - }, { - .name = "cfc", - .id = -1, - .parent = &clk_h, - .enable = s3c2443_clkcon_enable_h, - .ctrlbit = S3C2443_HCLKCON_CFC, - }, { - .name = "ssmc", - .id = -1, - .parent = &clk_h, - .enable = s3c2443_clkcon_enable_h, - .ctrlbit = S3C2443_HCLKCON_SSMC, - }, { - .name = "timers", - .id = -1, - .parent = &clk_p, - .enable = s3c2443_clkcon_enable_p, - .ctrlbit = S3C2443_PCLKCON_PWMT, - }, { - .name = "uart", - .id = 0, - .parent = &clk_p, - .enable = s3c2443_clkcon_enable_p, - .ctrlbit = S3C2443_PCLKCON_UART0, - }, { - .name = "uart", - .id = 1, - .parent = &clk_p, - .enable = s3c2443_clkcon_enable_p, - .ctrlbit = S3C2443_PCLKCON_UART1, - }, { - .name = "uart", - .id = 2, - .parent = &clk_p, - .enable = s3c2443_clkcon_enable_p, - .ctrlbit = S3C2443_PCLKCON_UART2, - }, { - .name = "uart", - .id = 3, - .parent = &clk_p, - .enable = s3c2443_clkcon_enable_p, - .ctrlbit = S3C2443_PCLKCON_UART3, - }, { - .name = "rtc", - .id = -1, - .parent = &clk_p, - .enable = s3c2443_clkcon_enable_p, - .ctrlbit = S3C2443_PCLKCON_RTC, - }, { - .name = "watchdog", - .id = -1, - .parent = &clk_p, - .ctrlbit = S3C2443_PCLKCON_WDT, - }, { - .name = "usb-bus-host", - .id = -1, - .parent = &clk_usb_bus_host.clk, - }, { - .name = "ac97", - .id = -1, - .parent = &clk_p, - .ctrlbit = S3C2443_PCLKCON_AC97, - } -}; - -/* clocks to add where we need to check their parentage */ - -static struct clksrc_clk __initdata *init_list[] = { - &clk_epllref, /* should be first */ - &clk_esysclk, - &clk_msysclk, - &clk_arm, - &clk_i2s_eplldiv, - &clk_i2s, - &clk_cam, - &clk_uart, - &clk_display, - &clk_hsmmc_div, - &clk_usb_bus_host, }; -static void __init s3c2443_clk_initparents(void) -{ - int ptr; - - for (ptr = 0; ptr < ARRAY_SIZE(init_list); ptr++) - s3c_set_clksrc(init_list[ptr], true); -} - -static inline unsigned long s3c2443_get_hdiv(unsigned long clkcon0) -{ - clkcon0 &= S3C2443_CLKDIV0_HCLKDIV_MASK; - - return clkcon0 + 1; -} - /* clocks to add straight away */ static struct clksrc_clk *clksrcs[] __initdata = { - &clk_usb_bus_host, - &clk_epllref, - &clk_esysclk, - &clk_msysclk, &clk_arm, - &clk_uart, - &clk_display, - &clk_cam, &clk_i2s_eplldiv, &clk_i2s, &clk_hsspi, @@ -717,92 +327,32 @@ static struct clksrc_clk *clksrcs[] __initdata = { }; static struct clk *clks[] __initdata = { - &clk_ext, - &clk_epll, - &clk_usb_bus, - &clk_mpllref, &clk_hsmmc, &clk_armdiv, - &clk_prediv, }; void __init_or_cpufreq s3c2443_setup_clocks(void) { - unsigned long mpllcon = __raw_readl(S3C2443_MPLLCON); - unsigned long clkdiv0 = __raw_readl(S3C2443_CLKDIV0); - struct clk *xtal_clk; - unsigned long xtal; - unsigned long pll; - unsigned long fclk; - unsigned long hclk; - unsigned long pclk; - - xtal_clk = clk_get(NULL, "xtal"); - xtal = clk_get_rate(xtal_clk); - clk_put(xtal_clk); - - pll = s3c2443_get_mpll(mpllcon, xtal); - clk_msysclk.clk.rate = pll; - - fclk = pll / s3c2443_fclk_div(clkdiv0); - hclk = s3c2443_prediv_getrate(&clk_prediv); - hclk /= s3c2443_get_hdiv(clkdiv0); - pclk = hclk / ((clkdiv0 & S3C2443_CLKDIV0_HALF_PCLK) ? 2 : 1); - - s3c24xx_setup_clocks(fclk, hclk, pclk); - - printk("S3C2443: mpll %s %ld.%03ld MHz, cpu %ld.%03ld MHz, mem %ld.%03ld MHz, pclk %ld.%03ld MHz\n", - (mpllcon & S3C2443_PLLCON_OFF) ? "off":"on", - print_mhz(pll), print_mhz(fclk), - print_mhz(hclk), print_mhz(pclk)); - - s3c24xx_setup_clocks(fclk, hclk, pclk); + s3c2443_common_setup_clocks(s3c2443_get_mpll, s3c2443_fclk_div); } void __init s3c2443_init_clocks(int xtal) { - struct clk *clkp; unsigned long epllcon = __raw_readl(S3C2443_EPLLCON); - int ret; int ptr; - /* s3c2443 parents h and p clocks from prediv */ - clk_h.parent = &clk_prediv; - clk_p.parent = &clk_prediv; + clk_epll.rate = s3c2443_get_epll(epllcon, xtal); + clk_epll.parent = &clk_epllref.clk; + + s3c2443_common_init_clocks(xtal, s3c2443_get_mpll, s3c2443_fclk_div); - s3c24xx_register_baseclocks(xtal); s3c2443_setup_clocks(); - s3c2443_clk_initparents(); - - for (ptr = 0; ptr < ARRAY_SIZE(clks); ptr++) { - clkp = clks[ptr]; - ret = s3c24xx_register_clock(clkp); - if (ret < 0) { - printk(KERN_ERR "Failed to register clock %s (%d)\n", - clkp->name, ret); - } - } + s3c24xx_register_clocks(clks, ARRAY_SIZE(clks)); for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++) s3c_register_clksrc(clksrcs[ptr], 1); - clk_epll.rate = s3c2443_get_epll(epllcon, xtal); - clk_epll.parent = &clk_epllref.clk; - clk_usb_bus.parent = &clk_usb_bus_host.clk; - - /* ensure usb bus clock is within correct rate of 48MHz */ - - if (clk_get_rate(&clk_usb_bus_host.clk) != (48 * 1000 * 1000)) { - printk(KERN_INFO "Warning: USB host bus not at 48MHz\n"); - clk_set_rate(&clk_usb_bus_host.clk, 48*1000*1000); - } - - printk("S3C2443: epll %s %ld.%03ld MHz, usb-bus %ld.%03ld MHz\n", - (epllcon & S3C2443_PLLCON_OFF) ? "off":"on", - print_mhz(clk_get_rate(&clk_epll)), - print_mhz(clk_get_rate(&clk_usb_bus))); - /* register clocks from clock array */ s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks)); @@ -819,17 +369,8 @@ void __init s3c2443_init_clocks(int xtal) /* install (and disable) the clocks we do not need immediately */ - clkp = init_clocks_disable; - for (ptr = 0; ptr < ARRAY_SIZE(init_clocks_disable); ptr++, clkp++) { - - ret = s3c24xx_register_clock(clkp); - if (ret < 0) { - printk(KERN_ERR "Failed to register clock %s (%d)\n", - clkp->name, ret); - } - - (clkp->enable)(clkp, 0); - } + s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); + s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); s3c_pwmclk_init(); } diff --git a/arch/arm/mach-s3c64xx/gpiolib.c b/arch/arm/mach-s3c64xx/gpiolib.c index 66e6794481d2..60c929a3cab6 100644 --- a/arch/arm/mach-s3c64xx/gpiolib.c +++ b/arch/arm/mach-s3c64xx/gpiolib.c @@ -51,6 +51,7 @@ static struct s3c_gpio_cfg gpio_4bit_cfg_noint = { .set_config = s3c_gpio_setcfg_s3c64xx_4bit, + .get_config = s3c_gpio_getcfg_s3c64xx_4bit, .set_pull = s3c_gpio_setpull_updown, .get_pull = s3c_gpio_getpull_updown, }; @@ -58,12 +59,14 @@ static struct s3c_gpio_cfg gpio_4bit_cfg_noint = { static struct s3c_gpio_cfg gpio_4bit_cfg_eint0111 = { .cfg_eint = 7, .set_config = s3c_gpio_setcfg_s3c64xx_4bit, + .get_config = s3c_gpio_getcfg_s3c64xx_4bit, .set_pull = s3c_gpio_setpull_updown, .get_pull = s3c_gpio_getpull_updown, }; static struct s3c_gpio_cfg gpio_4bit_cfg_eint0011 = { .cfg_eint = 3, + .get_config = s3c_gpio_getcfg_s3c64xx_4bit, .set_config = s3c_gpio_setcfg_s3c64xx_4bit, .set_pull = s3c_gpio_setpull_updown, .get_pull = s3c_gpio_getpull_updown, @@ -171,6 +174,7 @@ static struct s3c_gpio_chip gpio_4bit2[] = { static struct s3c_gpio_cfg gpio_2bit_cfg_noint = { .set_config = s3c_gpio_setcfg_s3c24xx, + .get_config = s3c_gpio_getcfg_s3c24xx, .set_pull = s3c_gpio_setpull_updown, .get_pull = s3c_gpio_getpull_updown, }; @@ -178,6 +182,7 @@ static struct s3c_gpio_cfg gpio_2bit_cfg_noint = { static struct s3c_gpio_cfg gpio_2bit_cfg_eint10 = { .cfg_eint = 2, .set_config = s3c_gpio_setcfg_s3c24xx, + .get_config = s3c_gpio_getcfg_s3c24xx, .set_pull = s3c_gpio_setpull_updown, .get_pull = s3c_gpio_getpull_updown, }; @@ -185,6 +190,7 @@ static struct s3c_gpio_cfg gpio_2bit_cfg_eint10 = { static struct s3c_gpio_cfg gpio_2bit_cfg_eint11 = { .cfg_eint = 3, .set_config = s3c_gpio_setcfg_s3c24xx, + .get_config = s3c_gpio_getcfg_s3c24xx, .set_pull = s3c_gpio_setpull_updown, .get_pull = s3c_gpio_getpull_updown, }; diff --git a/arch/arm/mach-s3c64xx/include/mach/pll.h b/arch/arm/mach-s3c64xx/include/mach/pll.h index 90bbd72fdc4e..5ef0bb698ee0 100644 --- a/arch/arm/mach-s3c64xx/include/mach/pll.h +++ b/arch/arm/mach-s3c64xx/include/mach/pll.h @@ -20,6 +20,7 @@ #define S3C6400_PLL_SDIV_SHIFT (0) #include <asm/div64.h> +#include <plat/pll6553x.h> static inline unsigned long s3c6400_get_pll(unsigned long baseclk, u32 pllcon) @@ -37,38 +38,8 @@ static inline unsigned long s3c6400_get_pll(unsigned long baseclk, return (unsigned long)fvco; } -#define S3C6400_EPLL_MDIV_MASK ((1 << (23-16)) - 1) -#define S3C6400_EPLL_PDIV_MASK ((1 << (13-8)) - 1) -#define S3C6400_EPLL_SDIV_MASK ((1 << (2-0)) - 1) -#define S3C6400_EPLL_MDIV_SHIFT (16) -#define S3C6400_EPLL_PDIV_SHIFT (8) -#define S3C6400_EPLL_SDIV_SHIFT (0) -#define S3C6400_EPLL_KDIV_MASK (0xffff) - static inline unsigned long s3c6400_get_epll(unsigned long baseclk) { - unsigned long result; - u32 epll0 = __raw_readl(S3C_EPLL_CON0); - u32 epll1 = __raw_readl(S3C_EPLL_CON1); - u32 mdiv, pdiv, sdiv, kdiv; - u64 tmp; - - mdiv = (epll0 >> S3C6400_EPLL_MDIV_SHIFT) & S3C6400_EPLL_MDIV_MASK; - pdiv = (epll0 >> S3C6400_EPLL_PDIV_SHIFT) & S3C6400_EPLL_PDIV_MASK; - sdiv = (epll0 >> S3C6400_EPLL_SDIV_SHIFT) & S3C6400_EPLL_SDIV_MASK; - kdiv = epll1 & S3C6400_EPLL_KDIV_MASK; - - /* We need to multiple baseclk by mdiv (the integer part) and kdiv - * which is in 2^16ths, so shift mdiv up (does not overflow) and - * add kdiv before multiplying. The use of tmp is to avoid any - * overflows before shifting bac down into result when multipling - * by the mdiv and kdiv pair. - */ - - tmp = baseclk; - tmp *= (mdiv << 16) + kdiv; - do_div(tmp, (pdiv << sdiv)); - result = tmp >> 16; - - return result; + return s3c_get_pll6553x(baseclk, __raw_readl(S3C_EPLL_CON0), + __raw_readl(S3C_EPLL_CON1)); } diff --git a/arch/arm/mach-s5p6440/gpio.c b/arch/arm/mach-s5p6440/gpio.c index b0ea741177ad..262dc75d5bea 100644 --- a/arch/arm/mach-s5p6440/gpio.c +++ b/arch/arm/mach-s5p6440/gpio.c @@ -161,12 +161,15 @@ static struct s3c_gpio_cfg s5p6440_gpio_cfgs[] = { }, { .cfg_eint = 0, .set_config = s3c_gpio_setcfg_s3c24xx, + .get_config = s3c_gpio_getcfg_s3c24xx, }, { .cfg_eint = 2, .set_config = s3c_gpio_setcfg_s3c24xx, + .get_config = s3c_gpio_getcfg_s3c24xx, }, { .cfg_eint = 3, .set_config = s3c_gpio_setcfg_s3c24xx, + .get_config = s3c_gpio_getcfg_s3c24xx, }, }; @@ -279,6 +282,8 @@ void __init s5p6440_gpiolib_set_cfg(struct s3c_gpio_cfg *chipcfg, int nr_chips) for (; nr_chips > 0; nr_chips--, chipcfg++) { if (!chipcfg->set_config) chipcfg->set_config = s3c_gpio_setcfg_s3c64xx_4bit; + if (!chipcfg->get_config) + chipcfg->get_config = s3c_gpio_getcfg_s3c64xx_4bit; if (!chipcfg->set_pull) chipcfg->set_pull = s3c_gpio_setpull_updown; if (!chipcfg->get_pull) diff --git a/arch/arm/plat-s3c24xx/Kconfig b/arch/arm/plat-s3c24xx/Kconfig index 6e93ef8f3d43..3ce8f010b3c6 100644 --- a/arch/arm/plat-s3c24xx/Kconfig +++ b/arch/arm/plat-s3c24xx/Kconfig @@ -9,6 +9,7 @@ config PLAT_S3C24XX select NO_IOPORT select ARCH_REQUIRE_GPIOLIB select S3C_DEVICE_NAND + select S3C_GPIO_CFG_S3C24XX help Base platform code for any Samsung S3C24XX device @@ -44,6 +45,12 @@ config S3C2410_CLOCK Clock code for the S3C2410, and similar processors which is currently includes the S3C2410, S3C2440, S3C2442. +config S3C2443_CLOCK + bool + help + Clock code for the S3C2443 and similar processors, which includes + the S3C2416 and S3C2450. + config S3C24XX_DCLK bool help diff --git a/arch/arm/plat-s3c24xx/Makefile b/arch/arm/plat-s3c24xx/Makefile index c2237c41141f..44aea8868f89 100644 --- a/arch/arm/plat-s3c24xx/Makefile +++ b/arch/arm/plat-s3c24xx/Makefile @@ -30,6 +30,7 @@ obj-$(CONFIG_PM) += pm.o obj-$(CONFIG_PM) += irq-pm.o obj-$(CONFIG_PM) += sleep.o obj-$(CONFIG_S3C2410_CLOCK) += s3c2410-clock.o +obj-$(CONFIG_S3C2443_CLOCK) += s3c2443-clock.o obj-$(CONFIG_S3C2410_DMA) += dma.o obj-$(CONFIG_S3C2410_IOTIMING) += s3c2410-iotiming.o obj-$(CONFIG_S3C2412_IOTIMING) += s3c2412-iotiming.o diff --git a/arch/arm/plat-s3c24xx/common-smdk.c b/arch/arm/plat-s3c24xx/common-smdk.c index 9e0e20ad2e46..7b44d0c592b5 100644 --- a/arch/arm/plat-s3c24xx/common-smdk.c +++ b/arch/arm/plat-s3c24xx/common-smdk.c @@ -42,6 +42,7 @@ #include <plat/nand.h> #include <plat/common-smdk.h> +#include <plat/gpio-cfg.h> #include <plat/devs.h> #include <plat/pm.h> @@ -185,10 +186,10 @@ void __init smdk_machine_init(void) { /* Configure the LEDs (even if we have no LED support)*/ - s3c2410_gpio_cfgpin(S3C2410_GPF(4), S3C2410_GPIO_OUTPUT); - s3c2410_gpio_cfgpin(S3C2410_GPF(5), S3C2410_GPIO_OUTPUT); - s3c2410_gpio_cfgpin(S3C2410_GPF(6), S3C2410_GPIO_OUTPUT); - s3c2410_gpio_cfgpin(S3C2410_GPF(7), S3C2410_GPIO_OUTPUT); + s3c_gpio_cfgpin(S3C2410_GPF(4), S3C2410_GPIO_OUTPUT); + s3c_gpio_cfgpin(S3C2410_GPF(5), S3C2410_GPIO_OUTPUT); + s3c_gpio_cfgpin(S3C2410_GPF(6), S3C2410_GPIO_OUTPUT); + s3c_gpio_cfgpin(S3C2410_GPF(7), S3C2410_GPIO_OUTPUT); s3c2410_gpio_setpin(S3C2410_GPF(4), 1); s3c2410_gpio_setpin(S3C2410_GPF(5), 1); diff --git a/arch/arm/plat-s3c24xx/cpu.c b/arch/arm/plat-s3c24xx/cpu.c index 9ca64df35bf6..76d0858c3cbb 100644 --- a/arch/arm/plat-s3c24xx/cpu.c +++ b/arch/arm/plat-s3c24xx/cpu.c @@ -49,6 +49,7 @@ #include <plat/s3c2400.h> #include <plat/s3c2410.h> #include <plat/s3c2412.h> +#include <plat/s3c2416.h> #include <plat/s3c244x.h> #include <plat/s3c2443.h> @@ -57,6 +58,7 @@ static const char name_s3c2400[] = "S3C2400"; static const char name_s3c2410[] = "S3C2410"; static const char name_s3c2412[] = "S3C2412"; +static const char name_s3c2416[] = "S3C2416/S3C2450"; static const char name_s3c2440[] = "S3C2440"; static const char name_s3c2442[] = "S3C2442"; static const char name_s3c2442b[] = "S3C2442B"; @@ -137,6 +139,15 @@ static struct cpu_table cpu_ids[] __initdata = { .init = s3c2412_init, .name = name_s3c2412, }, + { /* a strange version of the s3c2416 */ + .idcode = 0x32450003, + .idmask = 0xffffffff, + .map_io = s3c2416_map_io, + .init_clocks = s3c2416_init_clocks, + .init_uarts = s3c2416_init_uarts, + .init = s3c2416_init, + .name = name_s3c2416, + }, { .idcode = 0x32443001, .idmask = 0xffffffff, @@ -170,6 +181,16 @@ static struct map_desc s3c_iodesc[] __initdata = { static unsigned long s3c24xx_read_idcode_v5(void) { +#if defined(CONFIG_CPU_S3C2416) + /* s3c2416 is v5, with S3C24XX_GSTATUS1 instead of S3C2412_GSTATUS1 */ + + u32 gs = __raw_readl(S3C24XX_GSTATUS1); + + /* test for s3c2416 or similar device */ + if ((gs >> 16) == 0x3245) + return gs; +#endif + #if defined(CONFIG_CPU_S3C2412) || defined(CONFIG_CPU_S3C2413) return __raw_readl(S3C2412_GSTATUS1); #else diff --git a/arch/arm/plat-s3c24xx/gpio.c b/arch/arm/plat-s3c24xx/gpio.c index 5467470badfd..45126d3aafc6 100644 --- a/arch/arm/plat-s3c24xx/gpio.c +++ b/arch/arm/plat-s3c24xx/gpio.c @@ -1,6 +1,6 @@ /* linux/arch/arm/plat-s3c24xx/gpio.c * - * Copyright (c) 2004-2005 Simtec Electronics + * Copyright (c) 2004-2010 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * * S3C24XX GPIO support @@ -20,12 +20,12 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - #include <linux/kernel.h> #include <linux/init.h> #include <linux/module.h> #include <linux/interrupt.h> #include <linux/ioport.h> +#include <linux/gpio.h> #include <linux/io.h> #include <mach/hardware.h> @@ -34,123 +34,34 @@ #include <mach/regs-gpio.h> -void s3c2410_gpio_cfgpin(unsigned int pin, unsigned int function) -{ - void __iomem *base = S3C24XX_GPIO_BASE(pin); - unsigned long mask; - unsigned long con; - unsigned long flags; - - if (pin < S3C2410_GPIO_BANKB) { - mask = 1 << S3C2410_GPIO_OFFSET(pin); - } else { - mask = 3 << S3C2410_GPIO_OFFSET(pin)*2; - } - - switch (function) { - case S3C2410_GPIO_LEAVE: - mask = 0; - function = 0; - break; - - case S3C2410_GPIO_INPUT: - case S3C2410_GPIO_OUTPUT: - case S3C2410_GPIO_SFN2: - case S3C2410_GPIO_SFN3: - if (pin < S3C2410_GPIO_BANKB) { - function -= 1; - function &= 1; - function <<= S3C2410_GPIO_OFFSET(pin); - } else { - function &= 3; - function <<= S3C2410_GPIO_OFFSET(pin)*2; - } - } - - /* modify the specified register wwith IRQs off */ - - local_irq_save(flags); - - con = __raw_readl(base + 0x00); - con &= ~mask; - con |= function; - - __raw_writel(con, base + 0x00); - - local_irq_restore(flags); -} - -EXPORT_SYMBOL(s3c2410_gpio_cfgpin); - -unsigned int s3c2410_gpio_getcfg(unsigned int pin) -{ - void __iomem *base = S3C24XX_GPIO_BASE(pin); - unsigned long val = __raw_readl(base); - - if (pin < S3C2410_GPIO_BANKB) { - val >>= S3C2410_GPIO_OFFSET(pin); - val &= 1; - val += 1; - } else { - val >>= S3C2410_GPIO_OFFSET(pin)*2; - val &= 3; - } - - return val | S3C2410_GPIO_INPUT; -} - -EXPORT_SYMBOL(s3c2410_gpio_getcfg); +/* gpiolib wrappers until these are totally eliminated */ void s3c2410_gpio_pullup(unsigned int pin, unsigned int to) { - void __iomem *base = S3C24XX_GPIO_BASE(pin); - unsigned long offs = S3C2410_GPIO_OFFSET(pin); - unsigned long flags; - unsigned long up; + int ret; - if (pin < S3C2410_GPIO_BANKB) - return; + WARN_ON(to); /* should be none of these left */ - local_irq_save(flags); - - up = __raw_readl(base + 0x08); - up &= ~(1L << offs); - up |= to << offs; - __raw_writel(up, base + 0x08); + if (!to) { + /* if pull is enabled, try first with up, and if that + * fails, try using down */ - local_irq_restore(flags); + ret = s3c_gpio_setpull(pin, S3C_GPIO_PULL_UP); + if (ret) + s3c_gpio_setpull(pin, S3C_GPIO_PULL_DOWN); + } else { + s3c_gpio_setpull(pin, S3C_GPIO_PULL_NONE); + } } - EXPORT_SYMBOL(s3c2410_gpio_pullup); -int s3c2410_gpio_getpull(unsigned int pin) -{ - void __iomem *base = S3C24XX_GPIO_BASE(pin); - unsigned long offs = S3C2410_GPIO_OFFSET(pin); - - if (pin < S3C2410_GPIO_BANKB) - return -EINVAL; - - return (__raw_readl(base + 0x08) & (1L << offs)) ? 1 : 0; -} - -EXPORT_SYMBOL(s3c2410_gpio_getpull); - void s3c2410_gpio_setpin(unsigned int pin, unsigned int to) { - void __iomem *base = S3C24XX_GPIO_BASE(pin); - unsigned long offs = S3C2410_GPIO_OFFSET(pin); - unsigned long flags; - unsigned long dat; - - local_irq_save(flags); + /* do this via gpiolib until all users removed */ - dat = __raw_readl(base + 0x04); - dat &= ~(1 << offs); - dat |= to << offs; - __raw_writel(dat, base + 0x04); - - local_irq_restore(flags); + gpio_request(pin, "temporary"); + gpio_set_value(pin, to); + gpio_free(pin); } EXPORT_SYMBOL(s3c2410_gpio_setpin); @@ -181,22 +92,3 @@ unsigned int s3c2410_modify_misccr(unsigned int clear, unsigned int change) } EXPORT_SYMBOL(s3c2410_modify_misccr); - -int s3c2410_gpio_getirq(unsigned int pin) -{ - if (pin < S3C2410_GPF(0) || pin > S3C2410_GPG(15)) - return -EINVAL; /* not valid interrupts */ - - if (pin < S3C2410_GPG(0) && pin > S3C2410_GPF(7)) - return -EINVAL; /* not valid pin */ - - if (pin < S3C2410_GPF(4)) - return (pin - S3C2410_GPF(0)) + IRQ_EINT0; - - if (pin < S3C2410_GPG(0)) - return (pin - S3C2410_GPF(4)) + IRQ_EINT4; - - return (pin - S3C2410_GPG(0)) + IRQ_EINT8; -} - -EXPORT_SYMBOL(s3c2410_gpio_getirq); diff --git a/arch/arm/plat-s3c24xx/gpiolib.c b/arch/arm/plat-s3c24xx/gpiolib.c index 4f0f11a6a677..4c0896f2572d 100644 --- a/arch/arm/plat-s3c24xx/gpiolib.c +++ b/arch/arm/plat-s3c24xx/gpiolib.c @@ -1,6 +1,6 @@ /* linux/arch/arm/plat-s3c24xx/gpiolib.c * - * Copyright (c) 2008 Simtec Electronics + * Copyright (c) 2008-2010 Simtec Electronics * http://armlinux.simtec.co.uk/ * Ben Dooks <ben@simtec.co.uk> * @@ -21,6 +21,8 @@ #include <linux/gpio.h> #include <plat/gpio-core.h> +#include <plat/gpio-cfg.h> +#include <plat/gpio-cfg-helpers.h> #include <mach/hardware.h> #include <asm/irq.h> #include <plat/pm.h> @@ -77,10 +79,21 @@ static int s3c24xx_gpiolib_bankg_toirq(struct gpio_chip *chip, unsigned offset) return IRQ_EINT8 + offset; } +static struct s3c_gpio_cfg s3c24xx_gpiocfg_banka = { + .set_config = s3c_gpio_setcfg_s3c24xx_a, + .get_config = s3c_gpio_getcfg_s3c24xx_a, +}; + +struct s3c_gpio_cfg s3c24xx_gpiocfg_default = { + .set_config = s3c_gpio_setcfg_s3c24xx, + .get_config = s3c_gpio_getcfg_s3c24xx, +}; + struct s3c_gpio_chip s3c24xx_gpios[] = { [0] = { .base = S3C2410_GPACON, .pm = __gpio_pm(&s3c_gpio_pm_1bit), + .config = &s3c24xx_gpiocfg_banka, .chip = { .base = S3C2410_GPA(0), .owner = THIS_MODULE, @@ -161,15 +174,58 @@ struct s3c_gpio_chip s3c24xx_gpios[] = { .ngpio = 11, }, }, + /* GPIOS for the S3C2443 and later devices. */ + { + .base = S3C2440_GPJCON, + .pm = __gpio_pm(&s3c_gpio_pm_2bit), + .chip = { + .base = S3C2410_GPJ(0), + .owner = THIS_MODULE, + .label = "GPIOJ", + .ngpio = 16, + }, + }, { + .base = S3C2443_GPKCON, + .pm = __gpio_pm(&s3c_gpio_pm_2bit), + .chip = { + .base = S3C2410_GPK(0), + .owner = THIS_MODULE, + .label = "GPIOK", + .ngpio = 16, + }, + }, { + .base = S3C2443_GPLCON, + .pm = __gpio_pm(&s3c_gpio_pm_2bit), + .chip = { + .base = S3C2410_GPL(0), + .owner = THIS_MODULE, + .label = "GPIOL", + .ngpio = 15, + }, + }, { + .base = S3C2443_GPMCON, + .pm = __gpio_pm(&s3c_gpio_pm_2bit), + .chip = { + .base = S3C2410_GPM(0), + .owner = THIS_MODULE, + .label = "GPIOM", + .ngpio = 2, + }, + }, }; + static __init int s3c24xx_gpiolib_init(void) { struct s3c_gpio_chip *chip = s3c24xx_gpios; int gpn; - for (gpn = 0; gpn < ARRAY_SIZE(s3c24xx_gpios); gpn++, chip++) + for (gpn = 0; gpn < ARRAY_SIZE(s3c24xx_gpios); gpn++, chip++) { + if (!chip->config) + chip->config = &s3c24xx_gpiocfg_default; + s3c_gpiolib_add(chip); + } return 0; } diff --git a/arch/arm/plat-s3c24xx/include/plat/pll.h b/arch/arm/plat-s3c24xx/include/plat/pll.h index 7ea8bffa7a9c..005729a1077a 100644 --- a/arch/arm/plat-s3c24xx/include/plat/pll.h +++ b/arch/arm/plat-s3c24xx/include/plat/pll.h @@ -35,3 +35,28 @@ s3c24xx_get_pll(unsigned int pllval, unsigned int baseclk) return (unsigned int)fvco; } + +#define S3C2416_PLL_M_SHIFT (14) +#define S3C2416_PLL_P_SHIFT (5) +#define S3C2416_PLL_S_MASK (7) +#define S3C2416_PLL_M_MASK ((1 << 10) - 1) +#define S3C2416_PLL_P_MASK (63) + +static inline unsigned int +s3c2416_get_pll(unsigned int pllval, unsigned int baseclk) +{ + unsigned int m, p, s; + uint64_t fvco; + + m = pllval >> S3C2416_PLL_M_SHIFT; + p = pllval >> S3C2416_PLL_P_SHIFT; + + s = pllval & S3C2416_PLL_S_MASK; + m &= S3C2416_PLL_M_MASK; + p &= S3C2416_PLL_P_MASK; + + fvco = (uint64_t)baseclk * m; + do_div(fvco, (p << s)); + + return (unsigned int)fvco; +} diff --git a/arch/arm/plat-s3c24xx/include/plat/s3c2416.h b/arch/arm/plat-s3c24xx/include/plat/s3c2416.h new file mode 100644 index 000000000000..dc3c0907d221 --- /dev/null +++ b/arch/arm/plat-s3c24xx/include/plat/s3c2416.h @@ -0,0 +1,31 @@ +/* linux/include/asm-arm/plat-s3c24xx/s3c2443.h + * + * Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com> + * + * Header file for s3c2416 cpu support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifdef CONFIG_CPU_S3C2416 + +struct s3c2410_uartcfg; + +extern int s3c2416_init(void); + +extern void s3c2416_map_io(void); + +extern void s3c2416_init_uarts(struct s3c2410_uartcfg *cfg, int no); + +extern void s3c2416_init_clocks(int xtal); + +extern int s3c2416_baseclk_add(void); + +#else +#define s3c2416_init_clocks NULL +#define s3c2416_init_uarts NULL +#define s3c2416_map_io NULL +#define s3c2416_init NULL +#endif diff --git a/arch/arm/plat-s3c24xx/include/plat/s3c2443.h b/arch/arm/plat-s3c24xx/include/plat/s3c2443.h index 815b107ed890..a19715feb798 100644 --- a/arch/arm/plat-s3c24xx/include/plat/s3c2443.h +++ b/arch/arm/plat-s3c24xx/include/plat/s3c2443.h @@ -30,3 +30,22 @@ extern int s3c2443_baseclk_add(void); #define s3c2443_map_io NULL #define s3c2443_init NULL #endif + +/* common code used by s3c2443 and others. + * note, not to be used outside of arch/arm/mach-s3c* */ + +struct clk; /* some files don't need clk.h otherwise */ + +typedef unsigned int (*pll_fn)(unsigned int reg, unsigned int base); +typedef unsigned int (*fdiv_fn)(unsigned long clkcon0); + +extern void s3c2443_common_setup_clocks(pll_fn get_mpll, fdiv_fn fdiv); +extern void s3c2443_common_init_clocks(int xtal, pll_fn get_mpll, fdiv_fn fdiv); + +extern int s3c2443_clkcon_enable_h(struct clk *clk, int enable); +extern int s3c2443_clkcon_enable_p(struct clk *clk, int enable); +extern int s3c2443_clkcon_enable_s(struct clk *clk, int enable); + +extern struct clksrc_clk clk_epllref; +extern struct clksrc_clk clk_esysclk; +extern struct clksrc_clk clk_msysclk; diff --git a/arch/arm/plat-s3c24xx/pm.c b/arch/arm/plat-s3c24xx/pm.c index 3620dd299095..60627e63a254 100644 --- a/arch/arm/plat-s3c24xx/pm.c +++ b/arch/arm/plat-s3c24xx/pm.c @@ -43,6 +43,7 @@ #include <asm/mach/time.h> +#include <plat/gpio-cfg.h> #include <plat/pm.h> #define PFX "s3c24xx-pm: " @@ -90,22 +91,22 @@ static void s3c_pm_check_resume_pin(unsigned int pin, unsigned int irqoffs) { unsigned long irqstate; unsigned long pinstate; - int irq = s3c2410_gpio_getirq(pin); + int irq = gpio_to_irq(pin); if (irqoffs < 4) irqstate = s3c_irqwake_intmask & (1L<<irqoffs); else irqstate = s3c_irqwake_eintmask & (1L<<irqoffs); - pinstate = s3c2410_gpio_getcfg(pin); + pinstate = s3c_gpio_getcfg(pin); if (!irqstate) { if (pinstate == S3C2410_GPIO_IRQ) - S3C_PMDBG("Leaving IRQ %d (pin %d) enabled\n", irq, pin); + S3C_PMDBG("Leaving IRQ %d (pin %d) as is\n", irq, pin); } else { if (pinstate == S3C2410_GPIO_IRQ) { S3C_PMDBG("Disabling IRQ %d (pin %d)\n", irq, pin); - s3c2410_gpio_cfgpin(pin, S3C2410_GPIO_INPUT); + s3c_gpio_cfgpin(pin, S3C2410_GPIO_INPUT); } } } diff --git a/arch/arm/plat-s3c24xx/s3c2410-clock.c b/arch/arm/plat-s3c24xx/s3c2410-clock.c index b61bdb793734..9ecc5d913679 100644 --- a/arch/arm/plat-s3c24xx/s3c2410-clock.c +++ b/arch/arm/plat-s3c24xx/s3c2410-clock.c @@ -87,7 +87,7 @@ static int s3c2410_upll_enable(struct clk *clk, int enable) /* standard clock definitions */ -static struct clk init_clocks_disable[] = { +static struct clk init_clocks_off[] = { { .name = "nand", .id = -1, @@ -249,17 +249,8 @@ int __init s3c2410_baseclk_add(void) /* install (and disable) the clocks we do not need immediately */ - clkp = init_clocks_disable; - for (ptr = 0; ptr < ARRAY_SIZE(init_clocks_disable); ptr++, clkp++) { - - ret = s3c24xx_register_clock(clkp); - if (ret < 0) { - printk(KERN_ERR "Failed to register clock %s (%d)\n", - clkp->name, ret); - } - - s3c2410_clkcon_enable(clkp, 0); - } + s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); + s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); /* show the clock-slow value */ diff --git a/arch/arm/plat-s3c24xx/s3c2443-clock.c b/arch/arm/plat-s3c24xx/s3c2443-clock.c new file mode 100644 index 000000000000..461f070eb62d --- /dev/null +++ b/arch/arm/plat-s3c24xx/s3c2443-clock.c @@ -0,0 +1,472 @@ +/* linux/arch/arm/plat-s3c24xx/s3c2443-clock.c + * + * Copyright (c) 2007, 2010 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * S3C2443 Clock control suport - common code + */ + +#include <linux/init.h> +#include <linux/clk.h> +#include <linux/io.h> + +#include <mach/regs-s3c2443-clock.h> + +#include <plat/s3c2443.h> +#include <plat/clock.h> +#include <plat/clock-clksrc.h> +#include <plat/cpu.h> + +#include <plat/cpu-freq.h> + + +static int s3c2443_gate(void __iomem *reg, struct clk *clk, int enable) +{ + u32 ctrlbit = clk->ctrlbit; + u32 con = __raw_readl(reg); + + if (enable) + con |= ctrlbit; + else + con &= ~ctrlbit; + + __raw_writel(con, reg); + return 0; +} + +int s3c2443_clkcon_enable_h(struct clk *clk, int enable) +{ + return s3c2443_gate(S3C2443_HCLKCON, clk, enable); +} + +int s3c2443_clkcon_enable_p(struct clk *clk, int enable) +{ + return s3c2443_gate(S3C2443_PCLKCON, clk, enable); +} + +int s3c2443_clkcon_enable_s(struct clk *clk, int enable) +{ + return s3c2443_gate(S3C2443_SCLKCON, clk, enable); +} + +/* mpllref is a direct descendant of clk_xtal by default, but it is not + * elided as the EPLL can be either sourced by the XTAL or EXTCLK and as + * such directly equating the two source clocks is impossible. + */ +struct clk clk_mpllref = { + .name = "mpllref", + .parent = &clk_xtal, + .id = -1, +}; + +static struct clk *clk_epllref_sources[] = { + [0] = &clk_mpllref, + [1] = &clk_mpllref, + [2] = &clk_xtal, + [3] = &clk_ext, +}; + +struct clksrc_clk clk_epllref = { + .clk = { + .name = "epllref", + .id = -1, + }, + .sources = &(struct clksrc_sources) { + .sources = clk_epllref_sources, + .nr_sources = ARRAY_SIZE(clk_epllref_sources), + }, + .reg_src = { .reg = S3C2443_CLKSRC, .size = 2, .shift = 7 }, +}; + +/* esysclk + * + * this is sourced from either the EPLL or the EPLLref clock +*/ + +static struct clk *clk_sysclk_sources[] = { + [0] = &clk_epllref.clk, + [1] = &clk_epll, +}; + +struct clksrc_clk clk_esysclk = { + .clk = { + .name = "esysclk", + .parent = &clk_epll, + .id = -1, + }, + .sources = &(struct clksrc_sources) { + .sources = clk_sysclk_sources, + .nr_sources = ARRAY_SIZE(clk_sysclk_sources), + }, + .reg_src = { .reg = S3C2443_CLKSRC, .size = 1, .shift = 6 }, +}; + +static unsigned long s3c2443_getrate_mdivclk(struct clk *clk) +{ + unsigned long parent_rate = clk_get_rate(clk->parent); + unsigned long div = __raw_readl(S3C2443_CLKDIV0); + + div &= S3C2443_CLKDIV0_EXTDIV_MASK; + div >>= (S3C2443_CLKDIV0_EXTDIV_SHIFT-1); /* x2 */ + + return parent_rate / (div + 1); +} + +static struct clk clk_mdivclk = { + .name = "mdivclk", + .parent = &clk_mpllref, + .id = -1, + .ops = &(struct clk_ops) { + .get_rate = s3c2443_getrate_mdivclk, + }, +}; + +static struct clk *clk_msysclk_sources[] = { + [0] = &clk_mpllref, + [1] = &clk_mpll, + [2] = &clk_mdivclk, + [3] = &clk_mpllref, +}; + +struct clksrc_clk clk_msysclk = { + .clk = { + .name = "msysclk", + .parent = &clk_xtal, + .id = -1, + }, + .sources = &(struct clksrc_sources) { + .sources = clk_msysclk_sources, + .nr_sources = ARRAY_SIZE(clk_msysclk_sources), + }, + .reg_src = { .reg = S3C2443_CLKSRC, .size = 2, .shift = 3 }, +}; + +/* prediv + * + * this divides the msysclk down to pass to h/p/etc. + */ + +static unsigned long s3c2443_prediv_getrate(struct clk *clk) +{ + unsigned long rate = clk_get_rate(clk->parent); + unsigned long clkdiv0 = __raw_readl(S3C2443_CLKDIV0); + + clkdiv0 &= S3C2443_CLKDIV0_PREDIV_MASK; + clkdiv0 >>= S3C2443_CLKDIV0_PREDIV_SHIFT; + + return rate / (clkdiv0 + 1); +} + +static struct clk clk_prediv = { + .name = "prediv", + .id = -1, + .parent = &clk_msysclk.clk, + .ops = &(struct clk_ops) { + .get_rate = s3c2443_prediv_getrate, + }, +}; + +/* usbhost + * + * usb host bus-clock, usually 48MHz to provide USB bus clock timing +*/ + +static struct clksrc_clk clk_usb_bus_host = { + .clk = { + .name = "usb-bus-host-parent", + .id = -1, + .parent = &clk_esysclk.clk, + .ctrlbit = S3C2443_SCLKCON_USBHOST, + .enable = s3c2443_clkcon_enable_s, + }, + .reg_div = { .reg = S3C2443_CLKDIV1, .size = 2, .shift = 4 }, +}; + +/* common clksrc clocks */ + +static struct clksrc_clk clksrc_clks[] = { + { + /* ART baud-rate clock sourced from esysclk via a divisor */ + .clk = { + .name = "uartclk", + .id = -1, + .parent = &clk_esysclk.clk, + }, + .reg_div = { .reg = S3C2443_CLKDIV1, .size = 4, .shift = 8 }, + }, { + /* camera interface bus-clock, divided down from esysclk */ + .clk = { + .name = "camif-upll", /* same as 2440 name */ + .id = -1, + .parent = &clk_esysclk.clk, + .ctrlbit = S3C2443_SCLKCON_CAMCLK, + .enable = s3c2443_clkcon_enable_s, + }, + .reg_div = { .reg = S3C2443_CLKDIV1, .size = 4, .shift = 26 }, + }, { + .clk = { + .name = "display-if", + .id = -1, + .parent = &clk_esysclk.clk, + .ctrlbit = S3C2443_SCLKCON_DISPCLK, + .enable = s3c2443_clkcon_enable_s, + }, + .reg_div = { .reg = S3C2443_CLKDIV1, .size = 8, .shift = 16 }, + }, +}; + + +static struct clk init_clocks_off[] = { + { + .name = "adc", + .id = -1, + .parent = &clk_p, + .enable = s3c2443_clkcon_enable_p, + .ctrlbit = S3C2443_PCLKCON_ADC, + }, { + .name = "i2c", + .id = -1, + .parent = &clk_p, + .enable = s3c2443_clkcon_enable_p, + .ctrlbit = S3C2443_PCLKCON_IIC, + } +}; + +static struct clk init_clocks[] = { + { + .name = "dma", + .id = 0, + .parent = &clk_h, + .enable = s3c2443_clkcon_enable_h, + .ctrlbit = S3C2443_HCLKCON_DMA0, + }, { + .name = "dma", + .id = 1, + .parent = &clk_h, + .enable = s3c2443_clkcon_enable_h, + .ctrlbit = S3C2443_HCLKCON_DMA1, + }, { + .name = "dma", + .id = 2, + .parent = &clk_h, + .enable = s3c2443_clkcon_enable_h, + .ctrlbit = S3C2443_HCLKCON_DMA2, + }, { + .name = "dma", + .id = 3, + .parent = &clk_h, + .enable = s3c2443_clkcon_enable_h, + .ctrlbit = S3C2443_HCLKCON_DMA3, + }, { + .name = "dma", + .id = 4, + .parent = &clk_h, + .enable = s3c2443_clkcon_enable_h, + .ctrlbit = S3C2443_HCLKCON_DMA4, + }, { + .name = "dma", + .id = 5, + .parent = &clk_h, + .enable = s3c2443_clkcon_enable_h, + .ctrlbit = S3C2443_HCLKCON_DMA5, + }, { + .name = "hsmmc", + .id = 0, + .parent = &clk_h, + .enable = s3c2443_clkcon_enable_h, + .ctrlbit = S3C2443_HCLKCON_HSMMC, + }, { + .name = "gpio", + .id = -1, + .parent = &clk_p, + .enable = s3c2443_clkcon_enable_p, + .ctrlbit = S3C2443_PCLKCON_GPIO, + }, { + .name = "usb-host", + .id = -1, + .parent = &clk_h, + .enable = s3c2443_clkcon_enable_h, + .ctrlbit = S3C2443_HCLKCON_USBH, + }, { + .name = "usb-device", + .id = -1, + .parent = &clk_h, + .enable = s3c2443_clkcon_enable_h, + .ctrlbit = S3C2443_HCLKCON_USBD, + }, { + .name = "lcd", + .id = -1, + .parent = &clk_h, + .enable = s3c2443_clkcon_enable_h, + .ctrlbit = S3C2443_HCLKCON_LCDC, + + }, { + .name = "timers", + .id = -1, + .parent = &clk_p, + .enable = s3c2443_clkcon_enable_p, + .ctrlbit = S3C2443_PCLKCON_PWMT, + }, { + .name = "cfc", + .id = -1, + .parent = &clk_h, + .enable = s3c2443_clkcon_enable_h, + .ctrlbit = S3C2443_HCLKCON_CFC, + }, { + .name = "ssmc", + .id = -1, + .parent = &clk_h, + .enable = s3c2443_clkcon_enable_h, + .ctrlbit = S3C2443_HCLKCON_SSMC, + }, { + .name = "uart", + .id = 0, + .parent = &clk_p, + .enable = s3c2443_clkcon_enable_p, + .ctrlbit = S3C2443_PCLKCON_UART0, + }, { + .name = "uart", + .id = 1, + .parent = &clk_p, + .enable = s3c2443_clkcon_enable_p, + .ctrlbit = S3C2443_PCLKCON_UART1, + }, { + .name = "uart", + .id = 2, + .parent = &clk_p, + .enable = s3c2443_clkcon_enable_p, + .ctrlbit = S3C2443_PCLKCON_UART2, + }, { + .name = "uart", + .id = 3, + .parent = &clk_p, + .enable = s3c2443_clkcon_enable_p, + .ctrlbit = S3C2443_PCLKCON_UART3, + }, { + .name = "rtc", + .id = -1, + .parent = &clk_p, + .enable = s3c2443_clkcon_enable_p, + .ctrlbit = S3C2443_PCLKCON_RTC, + }, { + .name = "watchdog", + .id = -1, + .parent = &clk_p, + .ctrlbit = S3C2443_PCLKCON_WDT, + }, { + .name = "ac97", + .id = -1, + .parent = &clk_p, + .ctrlbit = S3C2443_PCLKCON_AC97, + }, { + .name = "nand", + .id = -1, + .parent = &clk_h, + }, { + .name = "usb-bus-host", + .id = -1, + .parent = &clk_usb_bus_host.clk, + } +}; + +static inline unsigned long s3c2443_get_hdiv(unsigned long clkcon0) +{ + clkcon0 &= S3C2443_CLKDIV0_HCLKDIV_MASK; + + return clkcon0 + 1; +} + +/* EPLLCON compatible enough to get on/off information */ + +void __init_or_cpufreq s3c2443_common_setup_clocks(pll_fn get_mpll, + fdiv_fn get_fdiv) +{ + unsigned long epllcon = __raw_readl(S3C2443_EPLLCON); + unsigned long mpllcon = __raw_readl(S3C2443_MPLLCON); + unsigned long clkdiv0 = __raw_readl(S3C2443_CLKDIV0); + struct clk *xtal_clk; + unsigned long xtal; + unsigned long pll; + unsigned long fclk; + unsigned long hclk; + unsigned long pclk; + int ptr; + + xtal_clk = clk_get(NULL, "xtal"); + xtal = clk_get_rate(xtal_clk); + clk_put(xtal_clk); + + pll = get_mpll(mpllcon, xtal); + clk_msysclk.clk.rate = pll; + + fclk = pll / get_fdiv(clkdiv0); + hclk = s3c2443_prediv_getrate(&clk_prediv); + hclk /= s3c2443_get_hdiv(clkdiv0); + pclk = hclk / ((clkdiv0 & S3C2443_CLKDIV0_HALF_PCLK) ? 2 : 1); + + s3c24xx_setup_clocks(fclk, hclk, pclk); + + printk("CPU: MPLL %s %ld.%03ld MHz, cpu %ld.%03ld MHz, mem %ld.%03ld MHz, pclk %ld.%03ld MHz\n", + (mpllcon & S3C2443_PLLCON_OFF) ? "off":"on", + print_mhz(pll), print_mhz(fclk), + print_mhz(hclk), print_mhz(pclk)); + + for (ptr = 0; ptr < ARRAY_SIZE(clksrc_clks); ptr++) + s3c_set_clksrc(&clksrc_clks[ptr], true); + + /* ensure usb bus clock is within correct rate of 48MHz */ + + if (clk_get_rate(&clk_usb_bus_host.clk) != (48 * 1000 * 1000)) { + printk(KERN_INFO "Warning: USB host bus not at 48MHz\n"); + clk_set_rate(&clk_usb_bus_host.clk, 48*1000*1000); + } + + printk("CPU: EPLL %s %ld.%03ld MHz, usb-bus %ld.%03ld MHz\n", + (epllcon & S3C2443_PLLCON_OFF) ? "off":"on", + print_mhz(clk_get_rate(&clk_epll)), + print_mhz(clk_get_rate(&clk_usb_bus))); +} + +static struct clk *clks[] __initdata = { + &clk_prediv, + &clk_mpllref, + &clk_mdivclk, + &clk_ext, + &clk_epll, + &clk_usb_bus, +}; + +static struct clksrc_clk *clksrcs[] __initdata = { + &clk_usb_bus_host, + &clk_epllref, + &clk_esysclk, + &clk_msysclk, +}; + +void __init s3c2443_common_init_clocks(int xtal, pll_fn get_mpll, + fdiv_fn get_fdiv) +{ + int ptr; + + /* s3c2443 parents h and p clocks from prediv */ + clk_h.parent = &clk_prediv; + clk_p.parent = &clk_prediv; + + clk_usb_bus.parent = &clk_usb_bus_host.clk; + clk_epll.parent = &clk_epllref.clk; + + s3c24xx_register_baseclocks(xtal); + s3c24xx_register_clocks(clks, ARRAY_SIZE(clks)); + + for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++) + s3c_register_clksrc(clksrcs[ptr], 1); + + s3c_register_clksrc(clksrc_clks, ARRAY_SIZE(clksrc_clks)); + s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks)); + + /* See s3c2443/etc notes on disabling clocks at init time */ + s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); + s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); + + s3c2443_common_setup_clocks(get_mpll, get_fdiv); +} diff --git a/arch/arm/plat-s3c24xx/setup-i2c.c b/arch/arm/plat-s3c24xx/setup-i2c.c index 71a6accf114e..9e90a7cbd1d6 100644 --- a/arch/arm/plat-s3c24xx/setup-i2c.c +++ b/arch/arm/plat-s3c24xx/setup-i2c.c @@ -15,12 +15,13 @@ struct platform_device; +#include <plat/gpio-cfg.h> #include <plat/iic.h> #include <mach/hardware.h> #include <mach/regs-gpio.h> void s3c_i2c0_cfg_gpio(struct platform_device *dev) { - s3c2410_gpio_cfgpin(S3C2410_GPE(15), S3C2410_GPE15_IICSDA); - s3c2410_gpio_cfgpin(S3C2410_GPE(14), S3C2410_GPE14_IICSCL); + s3c_gpio_cfgpin(S3C2410_GPE(15), S3C2410_GPE15_IICSDA); + s3c_gpio_cfgpin(S3C2410_GPE(14), S3C2410_GPE14_IICSCL); } diff --git a/arch/arm/plat-s3c24xx/spi-bus0-gpe11_12_13.c b/arch/arm/plat-s3c24xx/spi-bus0-gpe11_12_13.c index da7a61728c18..9793544a6ace 100644 --- a/arch/arm/plat-s3c24xx/spi-bus0-gpe11_12_13.c +++ b/arch/arm/plat-s3c24xx/spi-bus0-gpe11_12_13.c @@ -21,16 +21,16 @@ void s3c24xx_spi_gpiocfg_bus0_gpe11_12_13(struct s3c2410_spi_info *spi, int enable) { if (enable) { - s3c2410_gpio_cfgpin(S3C2410_GPE(13), S3C2410_GPE13_SPICLK0); - s3c2410_gpio_cfgpin(S3C2410_GPE(12), S3C2410_GPE12_SPIMOSI0); - s3c2410_gpio_cfgpin(S3C2410_GPE(11), S3C2410_GPE11_SPIMISO0); + s3c_gpio_cfgpin(S3C2410_GPE(13), S3C2410_GPE13_SPICLK0); + s3c_gpio_cfgpin(S3C2410_GPE(12), S3C2410_GPE12_SPIMOSI0); + s3c_gpio_cfgpin(S3C2410_GPE(11), S3C2410_GPE11_SPIMISO0); s3c2410_gpio_pullup(S3C2410_GPE(11), 0); s3c2410_gpio_pullup(S3C2410_GPE(13), 0); } else { - s3c2410_gpio_cfgpin(S3C2410_GPE(13), S3C2410_GPIO_INPUT); - s3c2410_gpio_cfgpin(S3C2410_GPE(11), S3C2410_GPIO_INPUT); - s3c2410_gpio_pullup(S3C2410_GPE(11), 1); - s3c2410_gpio_pullup(S3C2410_GPE(12), 1); - s3c2410_gpio_pullup(S3C2410_GPE(13), 1); + s3c_gpio_cfgpin(S3C2410_GPE(13), S3C2410_GPIO_INPUT); + s3c_gpio_cfgpin(S3C2410_GPE(11), S3C2410_GPIO_INPUT); + s3c_gpio_cfgpull(S3C2410_GPE(11), S3C_GPIO_PULL_NONE); + s3c_gpio_cfgpull(S3C2410_GPE(12), S3C_GPIO_PULL_NONE); + s3c_gpio_cfgpull(S3C2410_GPE(13), S3C_GPIO_PULL_NONE); } } diff --git a/arch/arm/plat-s3c24xx/spi-bus1-gpd8_9_10.c b/arch/arm/plat-s3c24xx/spi-bus1-gpd8_9_10.c index 89fcf5308cf6..db9e9e477ec1 100644 --- a/arch/arm/plat-s3c24xx/spi-bus1-gpd8_9_10.c +++ b/arch/arm/plat-s3c24xx/spi-bus1-gpd8_9_10.c @@ -23,16 +23,16 @@ void s3c24xx_spi_gpiocfg_bus1_gpd8_9_10(struct s3c2410_spi_info *spi, printk(KERN_INFO "%s(%d)\n", __func__, enable); if (enable) { - s3c2410_gpio_cfgpin(S3C2410_GPD(10), S3C2440_GPD10_SPICLK1); - s3c2410_gpio_cfgpin(S3C2410_GPD(9), S3C2440_GPD9_SPIMOSI1); - s3c2410_gpio_cfgpin(S3C2410_GPD(8), S3C2440_GPD8_SPIMISO1); + s3c_gpio_cfgpin(S3C2410_GPD(10), S3C2440_GPD10_SPICLK1); + s3c_gpio_cfgpin(S3C2410_GPD(9), S3C2440_GPD9_SPIMOSI1); + s3c_gpio_cfgpin(S3C2410_GPD(8), S3C2440_GPD8_SPIMISO1); s3c2410_gpio_pullup(S3C2410_GPD(10), 0); s3c2410_gpio_pullup(S3C2410_GPD(9), 0); } else { - s3c2410_gpio_cfgpin(S3C2410_GPD(8), S3C2410_GPIO_INPUT); - s3c2410_gpio_cfgpin(S3C2410_GPD(9), S3C2410_GPIO_INPUT); - s3c2410_gpio_pullup(S3C2410_GPD(10), 1); - s3c2410_gpio_pullup(S3C2410_GPD(9), 1); - s3c2410_gpio_pullup(S3C2410_GPD(8), 1); + s3c_gpio_cfgpin(S3C2410_GPD(8), S3C2410_GPIO_INPUT); + s3c_gpio_cfgpin(S3C2410_GPD(9), S3C2410_GPIO_INPUT); + s3c_gpio_cfgpull(S3C2410_GPD(10), S3C_GPIO_PULL_NONE); + s3c_gpio_cfgpull(S3C2410_GPD(9), S3C_GPIO_PULL_NONE); + s3c_gpio_cfgpull(S3C2410_GPD(8), S3C_GPIO_PULL_NONE); } } diff --git a/arch/arm/plat-s3c24xx/spi-bus1-gpg5_6_7.c b/arch/arm/plat-s3c24xx/spi-bus1-gpg5_6_7.c index 86b9edc67413..8ea663a438bb 100644 --- a/arch/arm/plat-s3c24xx/spi-bus1-gpg5_6_7.c +++ b/arch/arm/plat-s3c24xx/spi-bus1-gpg5_6_7.c @@ -21,16 +21,16 @@ void s3c24xx_spi_gpiocfg_bus1_gpg5_6_7(struct s3c2410_spi_info *spi, int enable) { if (enable) { - s3c2410_gpio_cfgpin(S3C2410_GPG(7), S3C2410_GPG7_SPICLK1); - s3c2410_gpio_cfgpin(S3C2410_GPG(6), S3C2410_GPG6_SPIMOSI1); - s3c2410_gpio_cfgpin(S3C2410_GPG(5), S3C2410_GPG5_SPIMISO1); + s3c_gpio_cfgpin(S3C2410_GPG(7), S3C2410_GPG7_SPICLK1); + s3c_gpio_cfgpin(S3C2410_GPG(6), S3C2410_GPG6_SPIMOSI1); + s3c_gpio_cfgpin(S3C2410_GPG(5), S3C2410_GPG5_SPIMISO1); s3c2410_gpio_pullup(S3C2410_GPG(5), 0); s3c2410_gpio_pullup(S3C2410_GPG(6), 0); } else { - s3c2410_gpio_cfgpin(S3C2410_GPG(7), S3C2410_GPIO_INPUT); - s3c2410_gpio_cfgpin(S3C2410_GPG(5), S3C2410_GPIO_INPUT); - s3c2410_gpio_pullup(S3C2410_GPG(5), 1); - s3c2410_gpio_pullup(S3C2410_GPG(6), 1); - s3c2410_gpio_pullup(S3C2410_GPG(7), 1); + s3c_gpio_cfgpin(S3C2410_GPG(7), S3C2410_GPIO_INPUT); + s3c_gpio_cfgpin(S3C2410_GPG(5), S3C2410_GPIO_INPUT); + s3c_gpio_cfgpull(S3C2410_GPG(5), S3C_GPIO_PULL_NONE); + s3c_gpio_cfgpull(S3C2410_GPG(6), S3C_GPIO_PULL_NONE); + s3c_gpio_cfgpull(S3C2410_GPG(7), S3C_GPIO_PULL_NONE); } } diff --git a/arch/arm/plat-samsung/clock.c b/arch/arm/plat-samsung/clock.c index 1b25c9d8c403..8bf79f3efdfb 100644 --- a/arch/arm/plat-samsung/clock.c +++ b/arch/arm/plat-samsung/clock.c @@ -376,6 +376,21 @@ void __init s3c_register_clocks(struct clk *clkp, int nr_clks) } } +/** + * s3c_disable_clocks() - disable an array of clocks + * @clkp: Pointer to the first clock in the array. + * @nr_clks: Number of clocks to register. + * + * for internal use only at initialisation time. disable the clocks in the + * @clkp array. + */ + +void __init s3c_disable_clocks(struct clk *clkp, int nr_clks) +{ + for (; nr_clks > 0; nr_clks--, clkp++) + (clkp->enable)(clkp, 0); +} + /* initalise all the clocks */ int __init s3c24xx_register_baseclocks(unsigned long xtal) diff --git a/arch/arm/plat-samsung/gpio-config.c b/arch/arm/plat-samsung/gpio-config.c index 44a84e896546..3282db360fa8 100644 --- a/arch/arm/plat-samsung/gpio-config.c +++ b/arch/arm/plat-samsung/gpio-config.c @@ -1,7 +1,7 @@ /* linux/arch/arm/plat-s3c/gpio-config.c * * Copyright 2008 Openmoko, Inc. - * Copyright 2008 Simtec Electronics + * Copyright 2008-2010 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * http://armlinux.simtec.co.uk/ * @@ -41,6 +41,26 @@ int s3c_gpio_cfgpin(unsigned int pin, unsigned int config) } EXPORT_SYMBOL(s3c_gpio_cfgpin); +unsigned s3c_gpio_getcfg(unsigned int pin) +{ + struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin); + unsigned long flags; + unsigned ret = 0; + int offset; + + if (chip) { + offset = pin - chip->chip.base; + + local_irq_save(flags); + ret = s3c_gpio_do_getcfg(chip, offset); + local_irq_restore(flags); + } + + return ret; +} +EXPORT_SYMBOL(s3c_gpio_getcfg); + + int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull) { struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin); @@ -61,8 +81,8 @@ int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull) EXPORT_SYMBOL(s3c_gpio_setpull); #ifdef CONFIG_S3C_GPIO_CFG_S3C24XX -int s3c_gpio_setcfg_s3c24xx_banka(struct s3c_gpio_chip *chip, - unsigned int off, unsigned int cfg) +int s3c_gpio_setcfg_s3c24xx_a(struct s3c_gpio_chip *chip, + unsigned int off, unsigned int cfg) { void __iomem *reg = chip->base; unsigned int shift = off; @@ -87,6 +107,19 @@ int s3c_gpio_setcfg_s3c24xx_banka(struct s3c_gpio_chip *chip, return 0; } +unsigned s3c_gpio_getcfg_s3c24xx_a(struct s3c_gpio_chip *chip, + unsigned int off) +{ + u32 con; + + con = __raw_readl(chip->base); + con >>= off; + con &= 1; + con++; + + return S3C_GPIO_SFN(con); +} + int s3c_gpio_setcfg_s3c24xx(struct s3c_gpio_chip *chip, unsigned int off, unsigned int cfg) { @@ -109,6 +142,19 @@ int s3c_gpio_setcfg_s3c24xx(struct s3c_gpio_chip *chip, return 0; } + +unsigned int s3c_gpio_getcfg_s3c24xx(struct s3c_gpio_chip *chip, + unsigned int off) +{ + u32 con; + + con = __raw_readl(chip->base); + con >>= off * 2; + con &= 3; + + /* this conversion works for IN and OUT as well as special mode */ + return S3C_GPIO_SPECIAL(con); +} #endif #ifdef CONFIG_S3C_GPIO_CFG_S3C64XX @@ -134,6 +180,25 @@ int s3c_gpio_setcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip, return 0; } + +unsigned s3c_gpio_getcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip, + unsigned int off) +{ + void __iomem *reg = chip->base; + unsigned int shift = (off & 7) * 4; + u32 con; + + if (off < 8 && chip->chip.ngpio > 8) + reg -= 4; + + con = __raw_readl(reg); + con >>= shift; + con &= 0xf; + + /* this conversion works for IN and OUT as well as special mode */ + return S3C_GPIO_SPECIAL(con); +} + #endif /* CONFIG_S3C_GPIO_CFG_S3C64XX */ #ifdef CONFIG_S3C_GPIO_PULL_UPDOWN @@ -164,3 +229,35 @@ s3c_gpio_pull_t s3c_gpio_getpull_updown(struct s3c_gpio_chip *chip, return (__force s3c_gpio_pull_t)pup; } #endif + +#ifdef CONFIG_S3C_GPIO_PULL_UP +int s3c_gpio_setpull_1up(struct s3c_gpio_chip *chip, + unsigned int off, s3c_gpio_pull_t pull) +{ + void __iomem *reg = chip->base + 0x08; + u32 pup = __raw_readl(reg); + + pup = __raw_readl(reg); + + if (pup == S3C_GPIO_PULL_UP) + pup &= ~(1 << off); + else if (pup == S3C_GPIO_PULL_NONE) + pup |= (1 << off); + else + return -EINVAL; + + __raw_writel(pup, reg); + return 0; +} + +s3c_gpio_pull_t s3c_gpio_getpull_1up(struct s3c_gpio_chip *chip, + unsigned int off) +{ + void __iomem *reg = chip->base + 0x08; + u32 pup = __raw_readl(reg); + + pup &= (1 << off); + return pup ? S3C_GPIO_PULL_NONE : S3C_GPIO_PULL_UP; +} +#endif /* CONFIG_S3C_GPIO_PULL_UP */ + diff --git a/arch/arm/plat-samsung/include/plat/clock.h b/arch/arm/plat-samsung/include/plat/clock.h index 60b62692ac7a..12caf48a6bdc 100644 --- a/arch/arm/plat-samsung/include/plat/clock.h +++ b/arch/arm/plat-samsung/include/plat/clock.h @@ -91,6 +91,7 @@ extern int s3c24xx_register_clock(struct clk *clk); extern int s3c24xx_register_clocks(struct clk **clk, int nr_clks); extern void s3c_register_clocks(struct clk *clk, int nr_clks); +extern void s3c_disable_clocks(struct clk *clkp, int nr_clks); extern int s3c24xx_register_baseclocks(unsigned long xtal); diff --git a/arch/arm/plat-samsung/include/plat/cpu.h b/arch/arm/plat-samsung/include/plat/cpu.h index d316b4a579f4..5dbeb7991e60 100644 --- a/arch/arm/plat-samsung/include/plat/cpu.h +++ b/arch/arm/plat-samsung/include/plat/cpu.h @@ -73,6 +73,7 @@ extern struct sys_timer s3c24xx_timer; extern struct sysdev_class s3c2410_sysclass; extern struct sysdev_class s3c2410a_sysclass; extern struct sysdev_class s3c2412_sysclass; +extern struct sysdev_class s3c2416_sysclass; extern struct sysdev_class s3c2440_sysclass; extern struct sysdev_class s3c2442_sysclass; extern struct sysdev_class s3c2443_sysclass; diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h b/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h index dda19da037ad..3e21c75feefa 100644 --- a/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h +++ b/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h @@ -30,6 +30,12 @@ static inline int s3c_gpio_do_setcfg(struct s3c_gpio_chip *chip, return (chip->config->set_config)(chip, off, config); } +static inline unsigned s3c_gpio_do_getcfg(struct s3c_gpio_chip *chip, + unsigned int off) +{ + return (chip->config->get_config)(chip, off); +} + static inline int s3c_gpio_do_setpull(struct s3c_gpio_chip *chip, unsigned int off, s3c_gpio_pull_t pull) { @@ -53,6 +59,18 @@ extern int s3c_gpio_setcfg_s3c24xx(struct s3c_gpio_chip *chip, unsigned int off, unsigned int cfg); /** + * s3c_gpio_getcfg_s3c24xx - S3C24XX style GPIO configuration read. + * @chip: The gpio chip that is being configured. + * @off: The offset for the GPIO being configured. + * + * The reverse of s3c_gpio_setcfg_s3c24xx(). Will return a value whicg + * could be directly passed back to s3c_gpio_setcfg_s3c24xx(), from the + * S3C_GPIO_SPECIAL() macro. + */ +unsigned int s3c_gpio_getcfg_s3c24xx(struct s3c_gpio_chip *chip, + unsigned int off); + +/** * s3c_gpio_setcfg_s3c24xx_a - S3C24XX style GPIO configuration (Bank A) * @chip: The gpio chip that is being configured. * @off: The offset for the GPIO being configured. @@ -65,6 +83,21 @@ extern int s3c_gpio_setcfg_s3c24xx(struct s3c_gpio_chip *chip, extern int s3c_gpio_setcfg_s3c24xx_a(struct s3c_gpio_chip *chip, unsigned int off, unsigned int cfg); + +/** + * s3c_gpio_getcfg_s3c24xx_a - S3C24XX style GPIO configuration read (Bank A) + * @chip: The gpio chip that is being configured. + * @off: The offset for the GPIO being configured. + * + * The reverse of s3c_gpio_setcfg_s3c24xx_a() turning an GPIO into a usable + * GPIO configuration value. + * + * @sa s3c_gpio_getcfg_s3c24xx + * @sa s3c_gpio_getcfg_s3c64xx_4bit + */ +extern unsigned s3c_gpio_getcfg_s3c24xx_a(struct s3c_gpio_chip *chip, + unsigned int off); + /** * s3c_gpio_setcfg_s3c64xx_4bit - S3C64XX 4bit single register GPIO config. * @chip: The gpio chip that is being configured. @@ -85,6 +118,20 @@ extern int s3c_gpio_setcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip, unsigned int off, unsigned int cfg); +/** + * s3c_gpio_getcfg_s3c64xx_4bit - S3C64XX 4bit single register GPIO config read. + * @chip: The gpio chip that is being configured. + * @off: The offset for the GPIO being configured. + * + * The reverse of s3c_gpio_setcfg_s3c64xx_4bit(), turning a gpio configuration + * register setting into a value the software can use, such as could be passed + * to s3c_gpio_setcfg_s3c64xx_4bit(). + * + * @sa s3c_gpio_getcfg_s3c24xx + */ +extern unsigned s3c_gpio_getcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip, + unsigned int off); + /* Pull-{up,down} resistor controls. * * S3C2410,S3C2440,S3C24A0 = Pull-UP, @@ -146,6 +193,17 @@ extern s3c_gpio_pull_t s3c_gpio_getpull_updown(struct s3c_gpio_chip *chip, unsigned int off); /** + * s3c_gpio_getpull_1up() - Get configuration for choice of up or none + * @chip: The gpio chip that the GPIO pin belongs to + * @off: The offset to the pin to get the configuration of. + * + * This helper function reads the state of the pull-up resistor for the + * given GPIO in the same case as s3c_gpio_setpull_1up. +*/ +extern s3c_gpio_pull_t s3c_gpio_getpull_1up(struct s3c_gpio_chip *chip, + unsigned int off); + +/** * s3c_gpio_setpull_s3c2443() - Pull configuration for s3c2443. * @chip: The gpio chip that is being configured. * @off: The offset for the GPIO being configured. diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg.h b/arch/arm/plat-samsung/include/plat/gpio-cfg.h index 29cd6a86cade..8d01e853df39 100644 --- a/arch/arm/plat-samsung/include/plat/gpio-cfg.h +++ b/arch/arm/plat-samsung/include/plat/gpio-cfg.h @@ -77,6 +77,17 @@ struct s3c_gpio_cfg { */ extern int s3c_gpio_cfgpin(unsigned int pin, unsigned int to); +/** + * s3c_gpio_getcfg - Read the current function for a GPIO pin + * @pin: The pin to read the configuration value for. + * + * Read the configuration state of the given @pin, returning a value that + * could be passed back to s3c_gpio_cfgpin(). + * + * @sa s3c_gpio_cfgpin + */ +extern unsigned s3c_gpio_getcfg(unsigned int pin); + /* Define values for the pull-{up,down} available for each gpio pin. * * These values control the state of the weak pull-{up,down} resistors diff --git a/arch/arm/plat-samsung/include/plat/gpio-core.h b/arch/arm/plat-samsung/include/plat/gpio-core.h index 49ff406a7066..f0584f26d493 100644 --- a/arch/arm/plat-samsung/include/plat/gpio-core.h +++ b/arch/arm/plat-samsung/include/plat/gpio-core.h @@ -108,6 +108,9 @@ extern void samsung_gpiolib_add_4bit2_chips(struct s3c_gpio_chip *chip, extern void samsung_gpiolib_add_4bit(struct s3c_gpio_chip *chip); extern void samsung_gpiolib_add_4bit2(struct s3c_gpio_chip *chip); +/* exported for core SoC support to change */ +extern struct s3c_gpio_cfg s3c24xx_gpiocfg_default; + #ifdef CONFIG_S3C_GPIO_TRACK extern struct s3c_gpio_chip *s3c_gpios[S3C_GPIO_END]; diff --git a/arch/arm/plat-samsung/include/plat/pll6553x.h b/arch/arm/plat-samsung/include/plat/pll6553x.h new file mode 100644 index 000000000000..b8b7e1d884f8 --- /dev/null +++ b/arch/arm/plat-samsung/include/plat/pll6553x.h @@ -0,0 +1,51 @@ +/* arch/arm/plat-samsung/include/plat/pll6553x.h + * partially from arch/arm/mach-s3c64xx/include/mach/pll.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * Samsung PLL6553x PLL code + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +/* S3C6400 and compatible (S3C2416, etc.) EPLL code */ + +#define PLL6553X_MDIV_MASK ((1 << (23-16)) - 1) +#define PLL6553X_PDIV_MASK ((1 << (13-8)) - 1) +#define PLL6553X_SDIV_MASK ((1 << (2-0)) - 1) +#define PLL6553X_MDIV_SHIFT (16) +#define PLL6553X_PDIV_SHIFT (8) +#define PLL6553X_SDIV_SHIFT (0) +#define PLL6553X_KDIV_MASK (0xffff) + +static inline unsigned long s3c_get_pll6553x(unsigned long baseclk, + u32 pll0, u32 pll1) +{ + unsigned long result; + u32 mdiv, pdiv, sdiv, kdiv; + u64 tmp; + + mdiv = (pll0 >> PLL6553X_MDIV_SHIFT) & PLL6553X_MDIV_MASK; + pdiv = (pll0 >> PLL6553X_PDIV_SHIFT) & PLL6553X_PDIV_MASK; + sdiv = (pll0 >> PLL6553X_SDIV_SHIFT) & PLL6553X_SDIV_MASK; + kdiv = pll1 & PLL6553X_KDIV_MASK; + + /* We need to multiple baseclk by mdiv (the integer part) and kdiv + * which is in 2^16ths, so shift mdiv up (does not overflow) and + * add kdiv before multiplying. The use of tmp is to avoid any + * overflows before shifting bac down into result when multipling + * by the mdiv and kdiv pair. + */ + + tmp = baseclk; + tmp *= (mdiv << 16) + kdiv; + do_div(tmp, (pdiv << sdiv)); + result = tmp >> 16; + + return result; +} diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index f55c49475a8c..5f3f03df92e3 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -518,12 +518,13 @@ config SERIAL_S3C2412 Serial port support for the Samsung S3C2412 and S3C2413 SoC config SERIAL_S3C2440 - tristate "Samsung S3C2440/S3C2442 Serial port support" - depends on SERIAL_SAMSUNG && (CPU_S3C2440 || CPU_S3C2442) + tristate "Samsung S3C2440/S3C2442/S3C2416 Serial port support" + depends on SERIAL_SAMSUNG && (CPU_S3C2440 || CPU_S3C2442 || CPU_S3C2416) default y if CPU_S3C2440 default y if CPU_S3C2442 + select SERIAL_SAMSUNG_UARTS_4 if CPU_S3C2416 help - Serial port support for the Samsung S3C2440 and S3C2442 SoC + Serial port support for the Samsung S3C2440, S3C2416 and S3C2442 SoC config SERIAL_S3C24A0 tristate "Samsung S3C24A0 Serial port support" |