diff options
Diffstat (limited to 'arch/arm/cpu/armv7')
| -rw-r--r-- | arch/arm/cpu/armv7/mx5/iomux.c | 30 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/mx5/lowlevel_init.S | 91 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/mx5/soc.c | 22 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/mx5/timer.c | 6 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/s5p-common/cpu_info.c | 2 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/s5pc1xx/clock.c | 38 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/s5pc2xx/Makefile | 42 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/s5pc2xx/clock.c | 220 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/s5pc2xx/soc.c | 30 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/start.S | 2 |
10 files changed, 415 insertions, 68 deletions
diff --git a/arch/arm/cpu/armv7/mx5/iomux.c b/arch/arm/cpu/armv7/mx5/iomux.c index e8928d5fde4..d4e3bbb4379 100644 --- a/arch/arm/cpu/armv7/mx5/iomux.c +++ b/arch/arm/cpu/armv7/mx5/iomux.c @@ -34,7 +34,7 @@ enum iomux_reg_addr { IOMUXSW_MUX_CTL = IOMUXC_BASE_ADDR, IOMUXSW_MUX_END = IOMUXC_BASE_ADDR + MUX_I_END, IOMUXSW_PAD_CTL = IOMUXC_BASE_ADDR + PAD_I_START, - IOMUXSW_INPUT_CTL = IOMUXC_BASE_ADDR, + IOMUXSW_INPUT_CTL = IOMUXC_BASE_ADDR + INPUT_CTL_START, }; #define MUX_PIN_NUM_MAX (((MUX_I_END - MUX_I_START) >> 2) + 1) @@ -44,11 +44,12 @@ static inline u32 get_mux_reg(iomux_pin_name_t pin) { u32 mux_reg = PIN_TO_IOMUX_MUX(pin); +#if defined(CONFIG_MX51) if (is_soc_rev(CHIP_REV_2_0) < 0) { /* * Fixup register address: - * i.MX51 TO1 has offset with the register - * which is define as TO2. + * i.MX51 TO1 has offset with the register + * which is define as TO2. */ if ((pin == MX51_PIN_NANDF_RB5) || (pin == MX51_PIN_NANDF_RB6) || @@ -59,6 +60,7 @@ static inline u32 get_mux_reg(iomux_pin_name_t pin) else if (mux_reg >= 0x130) mux_reg += 0xC; } +#endif mux_reg += IOMUXSW_MUX_CTL; return mux_reg; } @@ -68,11 +70,12 @@ static inline u32 get_pad_reg(iomux_pin_name_t pin) { u32 pad_reg = PIN_TO_IOMUX_PAD(pin); +#if defined(CONFIG_MX51) if (is_soc_rev(CHIP_REV_2_0) < 0) { /* * Fixup register address: - * i.MX51 TO1 has offset with the register - * which is define as TO2. + * i.MX51 TO1 has offset with the register + * which is define as TO2. */ if ((pin == MX51_PIN_NANDF_RB5) || (pin == MX51_PIN_NANDF_RB6) || @@ -91,6 +94,7 @@ static inline u32 get_pad_reg(iomux_pin_name_t pin) else pad_reg += 8; } +#endif pad_reg += IOMUXSW_PAD_CTL; return pad_reg; } @@ -98,10 +102,13 @@ static inline u32 get_pad_reg(iomux_pin_name_t pin) /* Get the last iomux register address */ static inline u32 get_mux_end(void) { +#if defined(CONFIG_MX51) if (is_soc_rev(CHIP_REV_2_0) < 0) return IOMUXC_BASE_ADDR + (0x3F8 - 4); else return IOMUXC_BASE_ADDR + (0x3F0 - 4); +#endif + return IOMUXSW_MUX_END; } /* @@ -164,3 +171,16 @@ unsigned int mxc_iomux_get_pad(iomux_pin_name_t pin) u32 pad_reg = get_pad_reg(pin); return readl(pad_reg); } + +/* + * This function configures daisy-chain + * + * @param input index of input select register + * @param config the binary value of elements + */ +void mxc_iomux_set_input(iomux_input_select_t input, u32 config) +{ + u32 reg = IOMUXSW_INPUT_CTL + (input << 2); + + writel(config, reg); +} diff --git a/arch/arm/cpu/armv7/mx5/lowlevel_init.S b/arch/arm/cpu/armv7/mx5/lowlevel_init.S index e9848705e16..96ebfe2345b 100644 --- a/arch/arm/cpu/armv7/mx5/lowlevel_init.S +++ b/arch/arm/cpu/armv7/mx5/lowlevel_init.S @@ -70,6 +70,7 @@ /* M4IF setup */ .macro init_m4if +#ifdef CONFIG_MX51 /* VPU and IPU given higher priority (0x4) * IPU accesses with ID=0x1 given highest priority (=0xA) */ @@ -87,27 +88,31 @@ ldr r1, =0x001901A3 str r1, [r0, #0x48] +#endif .endm /* init_m4if */ .macro setup_pll pll, freq - ldr r2, =\pll + ldr r0, =\pll ldr r1, =0x00001232 - str r1, [r2, #PLL_DP_CTL] /* Set DPLL ON (set UPEN bit): BRMO=1 */ + str r1, [r0, #PLL_DP_CTL] /* Set DPLL ON (set UPEN bit): BRMO=1 */ mov r1, #0x2 - str r1, [r2, #PLL_DP_CONFIG] /* Enable auto-restart AREN bit */ + str r1, [r0, #PLL_DP_CONFIG] /* Enable auto-restart AREN bit */ - str r3, [r2, #PLL_DP_OP] - str r3, [r2, #PLL_DP_HFS_OP] + ldr r1, W_DP_OP_\freq + str r1, [r0, #PLL_DP_OP] + str r1, [r0, #PLL_DP_HFS_OP] - str r4, [r2, #PLL_DP_MFD] - str r4, [r2, #PLL_DP_HFS_MFD] + ldr r1, W_DP_MFD_\freq + str r1, [r0, #PLL_DP_MFD] + str r1, [r0, #PLL_DP_HFS_MFD] - str r5, [r2, #PLL_DP_MFN] - str r5, [r2, #PLL_DP_HFS_MFN] + ldr r1, W_DP_MFN_\freq + str r1, [r0, #PLL_DP_MFN] + str r1, [r0, #PLL_DP_HFS_MFN] ldr r1, =0x00001232 - str r1, [r2, #PLL_DP_CTL] -1: ldr r1, [r2, #PLL_DP_CTL] + str r1, [r0, #PLL_DP_CTL] +1: ldr r1, [r0, #PLL_DP_CTL] ands r1, r1, #0x1 beq 1b .endm @@ -115,6 +120,7 @@ .macro init_clock ldr r0, =CCM_BASE_ADDR +#if defined(CONFIG_MX51) /* Gate of clocks to the peripherals first */ ldr r1, =0x3FFFFFFF str r1, [r0, #CLKCTL_CCGR0] @@ -141,19 +147,16 @@ 1: ldr r1, [r0, #CLKCTL_CDHIPR] cmp r1, #0x0 bne 1b +#endif /* Switch ARM to step clock */ mov r1, #0x4 str r1, [r0, #CLKCTL_CCSR] - mov r3, #DP_OP_800 - mov r4, #DP_MFD_800 - mov r5, #DP_MFN_800 - setup_pll PLL1_BASE_ADDR - mov r3, #DP_OP_665 - mov r4, #DP_MFD_665 - mov r5, #DP_MFN_665 - setup_pll PLL3_BASE_ADDR + setup_pll PLL1_BASE_ADDR, 800 + +#if defined(CONFIG_MX51) + setup_pll PLL3_BASE_ADDR, 665 /* Switch peripheral to PLL 3 */ ldr r0, =CCM_BASE_ADDR @@ -162,10 +165,7 @@ str r1, [r0, #CLKCTL_CBCMR] ldr r1, =0x13239145 str r1, [r0, #CLKCTL_CBCDR] - mov r3, #DP_OP_665 - mov r4, #DP_MFD_665 - mov r5, #DP_MFN_665 - setup_pll PLL2_BASE_ADDR + setup_pll PLL2_BASE_ADDR, 665 /* Switch peripheral to PLL2 */ ldr r0, =CCM_BASE_ADDR @@ -174,12 +174,8 @@ ldr r1, =0x000020C0 orr r1,r1,#CONFIG_SYS_DDR_CLKSEL str r1, [r0, #CLKCTL_CBCMR] - - mov r3, #DP_OP_216 - mov r4, #DP_MFD_216 - mov r5, #DP_MFN_216 - setup_pll PLL3_BASE_ADDR - +#endif + setup_pll PLL3_BASE_ADDR, 216 /* Set the platform clock dividers */ ldr r0, =ARM_BASE_ADDR @@ -188,18 +184,23 @@ ldr r0, =CCM_BASE_ADDR +#if defined(CONFIG_MX51) /* Run 3.0 at Full speed, for other TO's wait till we increase VDDGP */ ldr r1, =0x0 ldr r3, [r1, #ROM_SI_REV] cmp r3, #0x10 movls r1, #0x1 movhi r1, #0 - str r1, [r0, #CLKCTL_CACRR] +#else + mov r1, #0 +#endif + str r1, [r0, #CLKCTL_CACRR] /* Switch ARM back to PLL 1 */ mov r1, #0 str r1, [r0, #CLKCTL_CCSR] +#if defined(CONFIG_MX51) /* setup the rest */ /* Use lp_apm (24MHz) source for perclk */ ldr r1, =0x000020C2 @@ -208,6 +209,7 @@ /* ddr clock from PLL 1, all perclk dividers are 1 since using 24MHz */ ldr r1, =CONFIG_SYS_CLKTL_CBCDR str r1, [r0, #CLKCTL_CBCDR] +#endif /* Restore the default values in the Gate registers */ ldr r1, =0xFFFFFFFF @@ -218,13 +220,23 @@ str r1, [r0, #CLKCTL_CCGR4] str r1, [r0, #CLKCTL_CCGR5] str r1, [r0, #CLKCTL_CCGR6] +#if defined(CONFIG_MX53) + str r1, [r0, #CLKCTL_CCGR7] +#endif +#if defined(CONFIG_MX51) /* Use PLL 2 for UART's, get 66.5MHz from it */ ldr r1, =0xA5A2A020 str r1, [r0, #CLKCTL_CSCMR1] ldr r1, =0x00C30321 str r1, [r0, #CLKCTL_CSCDR1] - +#elif defined(CONFIG_MX53) + ldr r1, [r0, #CLKCTL_CSCDR1] + orr r1, r1, #0x3f + eor r1, r1, #0x3f + orr r1, r1, #0x21 + str r1, [r0, #CLKCTL_CSCDR1] +#endif /* make sure divider effective */ 1: ldr r1, [r0, #CLKCTL_CDHIPR] cmp r1, #0x0 @@ -249,6 +261,7 @@ .globl lowlevel_init lowlevel_init: +#if defined(CONFIG_MX51) ldr r0, =GPIO1_BASE_ADDR ldr r1, [r0, #0x0] orr r1, r1, #(1 << 23) @@ -256,6 +269,7 @@ lowlevel_init: ldr r1, [r0, #0x4] orr r1, r1, #(1 << 23) str r1, [r0, #0x4] +#endif init_l2cc @@ -269,9 +283,12 @@ lowlevel_init: mov pc,lr /* Board level setting value */ -DDR_PERCHARGE_CMD: .word 0x04008008 -DDR_REFRESH_CMD: .word 0x00008010 -DDR_LMR1_W: .word 0x00338018 -DDR_LMR_CMD: .word 0xB2220000 -DDR_TIMING_W: .word 0xB02567A9 -DDR_MISC_W: .word 0x000A0104 +W_DP_OP_800: .word DP_OP_800 +W_DP_MFD_800: .word DP_MFD_800 +W_DP_MFN_800: .word DP_MFN_800 +W_DP_OP_665: .word DP_OP_665 +W_DP_MFD_665: .word DP_MFD_665 +W_DP_MFN_665: .word DP_MFN_665 +W_DP_OP_216: .word DP_OP_216 +W_DP_MFD_216: .word DP_MFD_216 +W_DP_MFN_216: .word DP_MFN_216 diff --git a/arch/arm/cpu/armv7/mx5/soc.c b/arch/arm/cpu/armv7/mx5/soc.c index 290011923ea..09500b3b9f4 100644 --- a/arch/arm/cpu/armv7/mx5/soc.c +++ b/arch/arm/cpu/armv7/mx5/soc.c @@ -33,17 +33,20 @@ #include <fsl_esdhc.h> #endif -#if defined(CONFIG_MX51) -#define CPU_TYPE 0x51000 -#else +#if !(defined(CONFIG_MX51) || defined(CONFIG_MX53)) #error "CPU_TYPE not defined" #endif u32 get_cpu_rev(void) { - int system_rev = CPU_TYPE; +#ifdef CONFIG_MX51 + int system_rev = 0x51000; +#else + int system_rev = 0x53000; +#endif int reg = __raw_readl(ROM_SI_REV); +#if defined(CONFIG_MX51) switch (reg) { case 0x02: system_rev |= CHIP_REV_1_1; @@ -57,11 +60,20 @@ u32 get_cpu_rev(void) case 0x20: system_rev |= CHIP_REV_3_0; break; - return system_rev; default: system_rev |= CHIP_REV_1_0; break; } +#else + switch (reg) { + case 0x20: + system_rev |= CHIP_REV_2_0; + break; + default: + system_rev |= CHIP_REV_1_0; + break; + } +#endif return system_rev; } diff --git a/arch/arm/cpu/armv7/mx5/timer.c b/arch/arm/cpu/armv7/mx5/timer.c index 3044fcf1e9b..1972f6437dc 100644 --- a/arch/arm/cpu/armv7/mx5/timer.c +++ b/arch/arm/cpu/armv7/mx5/timer.c @@ -44,8 +44,10 @@ static struct mxc_gpt *cur_gpt = (struct mxc_gpt *)GPT1_BASE_ADDR; #define GPTCR_CLKSOURCE_32 (4<<6) /* Clock source */ #define GPTCR_TEN (1) /* Timer enable */ -static ulong timestamp; -static ulong lastinc; +DECLARE_GLOBAL_DATA_PTR; + +#define timestamp (gd->tbl) +#define lastinc (gd->lastinc) int timer_init(void) { diff --git a/arch/arm/cpu/armv7/s5p-common/cpu_info.c b/arch/arm/cpu/armv7/s5p-common/cpu_info.c index 2f6c7085546..c8a543a4528 100644 --- a/arch/arm/cpu/armv7/s5p-common/cpu_info.c +++ b/arch/arm/cpu/armv7/s5p-common/cpu_info.c @@ -32,8 +32,6 @@ int arch_cpu_init(void) { s5p_set_cpu_id(); - s5p_clock_init(); - return 0; } #endif diff --git a/arch/arm/cpu/armv7/s5pc1xx/clock.c b/arch/arm/cpu/armv7/s5pc1xx/clock.c index 98a27e551db..e92647cdfc0 100644 --- a/arch/arm/cpu/armv7/s5pc1xx/clock.c +++ b/arch/arm/cpu/armv7/s5pc1xx/clock.c @@ -38,11 +38,6 @@ #define CONFIG_SYS_CLK_FREQ_C110 24000000 #endif -unsigned long (*get_uart_clk)(int dev_index); -unsigned long (*get_pwm_clk)(void); -unsigned long (*get_arm_clk)(void); -unsigned long (*get_pll_clk)(int); - /* s5pc110: return pll clock frequency */ static unsigned long s5pc100_get_pll_clk(int pllreg) { @@ -316,15 +311,28 @@ static unsigned long s5pc1xx_get_pwm_clk(void) return s5pc100_get_pclk(); } -void s5p_clock_init(void) +unsigned long get_pll_clk(int pllreg) { - if (cpu_is_s5pc110()) { - get_pll_clk = s5pc110_get_pll_clk; - get_arm_clk = s5pc110_get_arm_clk; - } else { - get_pll_clk = s5pc100_get_pll_clk; - get_arm_clk = s5pc100_get_arm_clk; - } - get_uart_clk = s5pc1xx_get_uart_clk; - get_pwm_clk = s5pc1xx_get_pwm_clk; + if (cpu_is_s5pc110()) + return s5pc110_get_pll_clk(pllreg); + else + return s5pc100_get_pll_clk(pllreg); +} + +unsigned long get_arm_clk(void) +{ + if (cpu_is_s5pc110()) + return s5pc110_get_arm_clk(); + else + return s5pc100_get_arm_clk(); +} + +unsigned long get_pwm_clk(void) +{ + return s5pc1xx_get_pwm_clk(); +} + +unsigned long get_uart_clk(int dev_index) +{ + return s5pc1xx_get_uart_clk(dev_index); } diff --git a/arch/arm/cpu/armv7/s5pc2xx/Makefile b/arch/arm/cpu/armv7/s5pc2xx/Makefile new file mode 100644 index 00000000000..124c38018c8 --- /dev/null +++ b/arch/arm/cpu/armv7/s5pc2xx/Makefile @@ -0,0 +1,42 @@ +# +# Copyright (C) 2009 Samsung Electronics +# Minkyu Kang <mk7.kang@samsung.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 $(TOPDIR)/config.mk + +LIB = $(obj)lib$(SOC).o + +COBJS += clock.o soc.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS)) + +all: $(obj).depend $(LIB) + +$(LIB): $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/arch/arm/cpu/armv7/s5pc2xx/clock.c b/arch/arm/cpu/armv7/s5pc2xx/clock.c new file mode 100644 index 00000000000..450a6304860 --- /dev/null +++ b/arch/arm/cpu/armv7/s5pc2xx/clock.c @@ -0,0 +1,220 @@ +/* + * Copyright (C) 2010 Samsung Electronics + * Minkyu Kang <mk7.kang@samsung.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 <common.h> +#include <asm/io.h> +#include <asm/arch/clock.h> +#include <asm/arch/clk.h> + +#ifndef CONFIG_SYS_CLK_FREQ_C210 +#define CONFIG_SYS_CLK_FREQ_C210 24000000 +#endif + +/* s5pc210: return pll clock frequency */ +static unsigned long s5pc210_get_pll_clk(int pllreg) +{ + struct s5pc210_clock *clk = + (struct s5pc210_clock *)samsung_get_base_clock(); + unsigned long r, m, p, s, k = 0, mask, fout; + unsigned int freq; + + switch (pllreg) { + case APLL: + r = readl(&clk->apll_con0); + break; + case MPLL: + r = readl(&clk->mpll_con0); + break; + case EPLL: + r = readl(&clk->epll_con0); + k = readl(&clk->epll_con1); + break; + case VPLL: + r = readl(&clk->vpll_con0); + k = readl(&clk->vpll_con1); + break; + default: + printf("Unsupported PLL (%d)\n", pllreg); + return 0; + } + + /* + * APLL_CON: MIDV [25:16] + * MPLL_CON: MIDV [25:16] + * EPLL_CON: MIDV [24:16] + * VPLL_CON: MIDV [24:16] + */ + if (pllreg == APLL || pllreg == MPLL) + mask = 0x3ff; + else + mask = 0x1ff; + + m = (r >> 16) & mask; + + /* PDIV [13:8] */ + p = (r >> 8) & 0x3f; + /* SDIV [2:0] */ + s = r & 0x7; + + freq = CONFIG_SYS_CLK_FREQ_C210; + + if (pllreg == EPLL) { + k = k & 0xffff; + /* FOUT = (MDIV + K / 65536) * FIN / (PDIV * 2^SDIV) */ + fout = (m + k / 65536) * (freq / (p * (1 << s))); + } else if (pllreg == VPLL) { + k = k & 0xfff; + /* FOUT = (MDIV + K / 1024) * FIN / (PDIV * 2^SDIV) */ + fout = (m + k / 1024) * (freq / (p * (1 << s))); + } else { + if (s < 1) + s = 1; + /* FOUT = MDIV * FIN / (PDIV * 2^(SDIV - 1)) */ + fout = m * (freq / (p * (1 << (s - 1)))); + } + + return fout; +} + +/* s5pc210: return ARM clock frequency */ +static unsigned long s5pc210_get_arm_clk(void) +{ + struct s5pc210_clock *clk = + (struct s5pc210_clock *)samsung_get_base_clock(); + unsigned long div; + unsigned long dout_apll; + unsigned int apll_ratio; + + div = readl(&clk->div_cpu0); + + /* APLL_RATIO: [26:24] */ + apll_ratio = (div >> 24) & 0x7; + + dout_apll = get_pll_clk(APLL) / (apll_ratio + 1); + + return dout_apll; +} + +/* s5pc210: return pwm clock frequency */ +static unsigned long s5pc210_get_pwm_clk(void) +{ + struct s5pc210_clock *clk = + (struct s5pc210_clock *)samsung_get_base_clock(); + unsigned long pclk, sclk; + unsigned int sel; + unsigned int ratio; + + /* + * CLK_SRC_PERIL0 + * PWM_SEL [27:24] + */ + sel = readl(&clk->src_peril0); + sel = (sel >> 24) & 0xf; + + if (sel == 0x6) + sclk = get_pll_clk(MPLL); + else if (sel == 0x7) + sclk = get_pll_clk(EPLL); + else if (sel == 0x8) + sclk = get_pll_clk(VPLL); + else + return 0; + + /* + * CLK_DIV_PERIL3 + * PWM_RATIO [3:0] + */ + ratio = readl(&clk->div_peril3); + ratio = ratio & 0xf; + + pclk = sclk / (ratio + 1); + + return pclk; +} + +/* s5pc210: return uart clock frequency */ +static unsigned long s5pc210_get_uart_clk(int dev_index) +{ + struct s5pc210_clock *clk = + (struct s5pc210_clock *)samsung_get_base_clock(); + unsigned long uclk, sclk; + unsigned int sel; + unsigned int ratio; + + /* + * CLK_SRC_PERIL0 + * UART0_SEL [3:0] + * UART1_SEL [7:4] + * UART2_SEL [8:11] + * UART3_SEL [12:15] + * UART4_SEL [16:19] + * UART5_SEL [23:20] + */ + sel = readl(&clk->src_peril0); + sel = (sel >> (dev_index << 2)) & 0xf; + + if (sel == 0x6) + sclk = get_pll_clk(MPLL); + else if (sel == 0x7) + sclk = get_pll_clk(EPLL); + else if (sel == 0x8) + sclk = get_pll_clk(VPLL); + else + return 0; + + /* + * CLK_DIV_PERIL0 + * UART0_RATIO [3:0] + * UART1_RATIO [7:4] + * UART2_RATIO [8:11] + * UART3_RATIO [12:15] + * UART4_RATIO [16:19] + * UART5_RATIO [23:20] + */ + ratio = readl(&clk->div_peril0); + ratio = (ratio >> (dev_index << 2)) & 0xf; + + uclk = sclk / (ratio + 1); + + return uclk; +} + +unsigned long get_pll_clk(int pllreg) +{ + return s5pc210_get_pll_clk(pllreg); +} + +unsigned long get_arm_clk(void) +{ + return s5pc210_get_arm_clk(); +} + +unsigned long get_pwm_clk(void) +{ + return s5pc210_get_pwm_clk(); +} + +unsigned long get_uart_clk(int dev_index) +{ + return s5pc210_get_uart_clk(dev_index); +} diff --git a/arch/arm/cpu/armv7/s5pc2xx/soc.c b/arch/arm/cpu/armv7/s5pc2xx/soc.c new file mode 100644 index 00000000000..dcfcec22dc0 --- /dev/null +++ b/arch/arm/cpu/armv7/s5pc2xx/soc.c @@ -0,0 +1,30 @@ +/* + * Copyright (c) 2010 Samsung Electronics. + * Minkyu Kang <mk7.kang@samsung.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 <common.h> +#include <asm/io.h> + +void reset_cpu(ulong addr) +{ + writel(0x1, samsung_get_base_swreset()); +} diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S index 684f2d25386..cb4f92f3a9d 100644 --- a/arch/arm/cpu/armv7/start.S +++ b/arch/arm/cpu/armv7/start.S @@ -171,7 +171,6 @@ stack_setup: beq clear_bss /* skip relocation */ #endif mov r1, r6 /* r1 <- scratch for copy_loop */ - ldr r2, _TEXT_BASE ldr r3, _bss_start_ofs add r2, r0, r3 /* r2 <- source end address */ @@ -224,7 +223,6 @@ fixnext: clear_bss: ldr r0, _bss_start_ofs ldr r1, _bss_end_ofs - ldr r3, _TEXT_BASE /* Text base */ mov r4, r6 /* reloc addr */ add r0, r0, r4 add r1, r1, r4 |