diff options
Diffstat (limited to 'arch/m68knommu/platform/5249/config.c')
| -rw-r--r-- | arch/m68knommu/platform/5249/config.c | 330 |
1 files changed, 0 insertions, 330 deletions
diff --git a/arch/m68knommu/platform/5249/config.c b/arch/m68knommu/platform/5249/config.c deleted file mode 100644 index ceb31e5744a6..000000000000 --- a/arch/m68knommu/platform/5249/config.c +++ /dev/null @@ -1,330 +0,0 @@ -/***************************************************************************/ - -/* - * linux/arch/m68knommu/platform/5249/config.c - * - * Copyright (C) 2002, Greg Ungerer (gerg@snapgear.com) - */ - -/***************************************************************************/ - -#include <linux/kernel.h> -#include <linux/param.h> -#include <linux/init.h> -#include <linux/io.h> -#include <linux/spi/spi.h> -#include <linux/gpio.h> -#include <asm/machdep.h> -#include <asm/coldfire.h> -#include <asm/mcfsim.h> -#include <asm/mcfuart.h> -#include <asm/mcfqspi.h> - -/***************************************************************************/ - -static struct mcf_platform_uart m5249_uart_platform[] = { - { - .mapbase = MCF_MBAR + MCFUART_BASE1, - .irq = 73, - }, - { - .mapbase = MCF_MBAR + MCFUART_BASE2, - .irq = 74, - }, - { }, -}; - -static struct platform_device m5249_uart = { - .name = "mcfuart", - .id = 0, - .dev.platform_data = m5249_uart_platform, -}; - -#ifdef CONFIG_M5249C3 - -static struct resource m5249_smc91x_resources[] = { - { - .start = 0xe0000300, - .end = 0xe0000300 + 0x100, - .flags = IORESOURCE_MEM, - }, - { - .start = MCFINTC2_GPIOIRQ6, - .end = MCFINTC2_GPIOIRQ6, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device m5249_smc91x = { - .name = "smc91x", - .id = 0, - .num_resources = ARRAY_SIZE(m5249_smc91x_resources), - .resource = m5249_smc91x_resources, -}; - -#endif /* CONFIG_M5249C3 */ - -#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) -static struct resource m5249_qspi_resources[] = { - { - .start = MCFQSPI_IOBASE, - .end = MCFQSPI_IOBASE + MCFQSPI_IOSIZE - 1, - .flags = IORESOURCE_MEM, - }, - { - .start = MCF_IRQ_QSPI, - .end = MCF_IRQ_QSPI, - .flags = IORESOURCE_IRQ, - }, -}; - -#define MCFQSPI_CS0 29 -#define MCFQSPI_CS1 24 -#define MCFQSPI_CS2 21 -#define MCFQSPI_CS3 22 - -static int m5249_cs_setup(struct mcfqspi_cs_control *cs_control) -{ - int status; - - status = gpio_request(MCFQSPI_CS0, "MCFQSPI_CS0"); - if (status) { - pr_debug("gpio_request for MCFQSPI_CS0 failed\n"); - goto fail0; - } - status = gpio_direction_output(MCFQSPI_CS0, 1); - if (status) { - pr_debug("gpio_direction_output for MCFQSPI_CS0 failed\n"); - goto fail1; - } - - status = gpio_request(MCFQSPI_CS1, "MCFQSPI_CS1"); - if (status) { - pr_debug("gpio_request for MCFQSPI_CS1 failed\n"); - goto fail1; - } - status = gpio_direction_output(MCFQSPI_CS1, 1); - if (status) { - pr_debug("gpio_direction_output for MCFQSPI_CS1 failed\n"); - goto fail2; - } - - status = gpio_request(MCFQSPI_CS2, "MCFQSPI_CS2"); - if (status) { - pr_debug("gpio_request for MCFQSPI_CS2 failed\n"); - goto fail2; - } - status = gpio_direction_output(MCFQSPI_CS2, 1); - if (status) { - pr_debug("gpio_direction_output for MCFQSPI_CS2 failed\n"); - goto fail3; - } - - status = gpio_request(MCFQSPI_CS3, "MCFQSPI_CS3"); - if (status) { - pr_debug("gpio_request for MCFQSPI_CS3 failed\n"); - goto fail3; - } - status = gpio_direction_output(MCFQSPI_CS3, 1); - if (status) { - pr_debug("gpio_direction_output for MCFQSPI_CS3 failed\n"); - goto fail4; - } - - return 0; - -fail4: - gpio_free(MCFQSPI_CS3); -fail3: - gpio_free(MCFQSPI_CS2); -fail2: - gpio_free(MCFQSPI_CS1); -fail1: - gpio_free(MCFQSPI_CS0); -fail0: - return status; -} - -static void m5249_cs_teardown(struct mcfqspi_cs_control *cs_control) -{ - gpio_free(MCFQSPI_CS3); - gpio_free(MCFQSPI_CS2); - gpio_free(MCFQSPI_CS1); - gpio_free(MCFQSPI_CS0); -} - -static void m5249_cs_select(struct mcfqspi_cs_control *cs_control, - u8 chip_select, bool cs_high) -{ - switch (chip_select) { - case 0: - gpio_set_value(MCFQSPI_CS0, cs_high); - break; - case 1: - gpio_set_value(MCFQSPI_CS1, cs_high); - break; - case 2: - gpio_set_value(MCFQSPI_CS2, cs_high); - break; - case 3: - gpio_set_value(MCFQSPI_CS3, cs_high); - break; - } -} - -static void m5249_cs_deselect(struct mcfqspi_cs_control *cs_control, - u8 chip_select, bool cs_high) -{ - switch (chip_select) { - case 0: - gpio_set_value(MCFQSPI_CS0, !cs_high); - break; - case 1: - gpio_set_value(MCFQSPI_CS1, !cs_high); - break; - case 2: - gpio_set_value(MCFQSPI_CS2, !cs_high); - break; - case 3: - gpio_set_value(MCFQSPI_CS3, !cs_high); - break; - } -} - -static struct mcfqspi_cs_control m5249_cs_control = { - .setup = m5249_cs_setup, - .teardown = m5249_cs_teardown, - .select = m5249_cs_select, - .deselect = m5249_cs_deselect, -}; - -static struct mcfqspi_platform_data m5249_qspi_data = { - .bus_num = 0, - .num_chipselect = 4, - .cs_control = &m5249_cs_control, -}; - -static struct platform_device m5249_qspi = { - .name = "mcfqspi", - .id = 0, - .num_resources = ARRAY_SIZE(m5249_qspi_resources), - .resource = m5249_qspi_resources, - .dev.platform_data = &m5249_qspi_data, -}; - -static void __init m5249_qspi_init(void) -{ - /* QSPI irq setup */ - writeb(MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL4 | MCFSIM_ICR_PRI0, - MCF_MBAR + MCFSIM_QSPIICR); - mcf_mapirq2imr(MCF_IRQ_QSPI, MCFINTC_QSPI); -} -#endif /* defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) */ - - -static struct platform_device *m5249_devices[] __initdata = { - &m5249_uart, -#ifdef CONFIG_M5249C3 - &m5249_smc91x, -#endif -#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) - &m5249_qspi, -#endif -}; - -/***************************************************************************/ - -static void __init m5249_uart_init_line(int line, int irq) -{ - if (line == 0) { - writeb(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI1, MCF_MBAR + MCFSIM_UART1ICR); - writeb(irq, MCF_MBAR + MCFUART_BASE1 + MCFUART_UIVR); - mcf_mapirq2imr(irq, MCFINTC_UART0); - } else if (line == 1) { - writeb(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI2, MCF_MBAR + MCFSIM_UART2ICR); - writeb(irq, MCF_MBAR + MCFUART_BASE2 + MCFUART_UIVR); - mcf_mapirq2imr(irq, MCFINTC_UART1); - } -} - -static void __init m5249_uarts_init(void) -{ - const int nrlines = ARRAY_SIZE(m5249_uart_platform); - int line; - - for (line = 0; (line < nrlines); line++) - m5249_uart_init_line(line, m5249_uart_platform[line].irq); -} - -/***************************************************************************/ - -#ifdef CONFIG_M5249C3 - -static void __init m5249_smc91x_init(void) -{ - u32 gpio; - - /* Set the GPIO line as interrupt source for smc91x device */ - gpio = readl(MCF_MBAR2 + MCFSIM2_GPIOINTENABLE); - writel(gpio | 0x40, MCF_MBAR2 + MCFSIM2_GPIOINTENABLE); - - gpio = readl(MCF_MBAR2 + MCFSIM2_INTLEVEL5); - writel(gpio | 0x04000000, MCF_MBAR2 + MCFSIM2_INTLEVEL5); -} - -#endif /* CONFIG_M5249C3 */ - -/***************************************************************************/ - -static void __init m5249_timers_init(void) -{ - /* Timer1 is always used as system timer */ - writeb(MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI3, - MCF_MBAR + MCFSIM_TIMER1ICR); - mcf_mapirq2imr(MCF_IRQ_TIMER, MCFINTC_TIMER1); - -#ifdef CONFIG_HIGHPROFILE - /* Timer2 is to be used as a high speed profile timer */ - writeb(MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL7 | MCFSIM_ICR_PRI3, - MCF_MBAR + MCFSIM_TIMER2ICR); - mcf_mapirq2imr(MCF_IRQ_PROFILER, MCFINTC_TIMER2); -#endif -} - -/***************************************************************************/ - -void m5249_cpu_reset(void) -{ - local_irq_disable(); - /* Set watchdog to soft reset, and enabled */ - __raw_writeb(0xc0, MCF_MBAR + MCFSIM_SYPCR); - for (;;) - /* wait for watchdog to timeout */; -} - -/***************************************************************************/ - -void __init config_BSP(char *commandp, int size) -{ - mach_reset = m5249_cpu_reset; - m5249_timers_init(); - m5249_uarts_init(); -#ifdef CONFIG_M5249C3 - m5249_smc91x_init(); -#endif -#if defined(CONFIG_SPI_COLDFIRE_QSPI) || defined(CONFIG_SPI_COLDFIRE_QSPI_MODULE) - m5249_qspi_init(); -#endif -} - -/***************************************************************************/ - -static int __init init_BSP(void) -{ - platform_add_devices(m5249_devices, ARRAY_SIZE(m5249_devices)); - return 0; -} - -arch_initcall(init_BSP); - -/***************************************************************************/ |