diff options
Diffstat (limited to 'arch/arm/cpu')
| -rw-r--r-- | arch/arm/cpu/arm920t/ep93xx/u-boot.lds | 6 | ||||
| -rw-r--r-- | arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds | 5 | ||||
| -rw-r--r-- | arch/arm/cpu/arm926ejs/spear/u-boot-spl.lds | 5 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/am33xx/board.c | 40 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/am33xx/clock_am33xx.c | 9 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/exynos/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/exynos/clock.c | 10 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/exynos/tzpc.c | 57 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/s5p-common/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/s5p-common/timer.c | 2 | ||||
| -rw-r--r-- | arch/arm/cpu/ixp/u-boot.lds | 20 | ||||
| -rw-r--r-- | arch/arm/cpu/u-boot-spl.lds | 6 | ||||
| -rw-r--r-- | arch/arm/cpu/u-boot.lds | 21 | 
13 files changed, 146 insertions, 39 deletions
diff --git a/arch/arm/cpu/arm920t/ep93xx/u-boot.lds b/arch/arm/cpu/arm920t/ep93xx/u-boot.lds index cf55bf7d4..367c805e3 100644 --- a/arch/arm/cpu/arm920t/ep93xx/u-boot.lds +++ b/arch/arm/cpu/arm920t/ep93xx/u-boot.lds @@ -31,6 +31,7 @@ SECTIONS  	. = ALIGN(4);  	.text      :  	{ +		*(.__image_copy_start)  	  arch/arm/cpu/arm920t/start.o	(.text*)  		/* the EP93xx expects to find the pattern 'CRUS' at 0x1000 */  	  . = 0x1000; @@ -56,7 +57,10 @@ SECTIONS  	. = ALIGN(4); -	__image_copy_end = .; +	.image_copy_end : +	{ +		*(.__image_copy_end) +	}  	__bss_start = .;  	.bss : { *(.bss*) } diff --git a/arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds b/arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds index 673c725ab..f4e7525f1 100644 --- a/arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds +++ b/arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds @@ -57,11 +57,6 @@ SECTIONS  		__rel_dyn_end = .;  	} -	.dynsym : { -		__dynsym_start = .; -		*(.dynsym) -	} -  	.bss : {  		. = ALIGN(4);  		__bss_start = .; diff --git a/arch/arm/cpu/arm926ejs/spear/u-boot-spl.lds b/arch/arm/cpu/arm926ejs/spear/u-boot-spl.lds index 967a135b3..446d09501 100644 --- a/arch/arm/cpu/arm926ejs/spear/u-boot-spl.lds +++ b/arch/arm/cpu/arm926ejs/spear/u-boot-spl.lds @@ -57,11 +57,6 @@ SECTIONS  		__rel_dyn_end = .;  	} -	.dynsym : { -		__dynsym_start = .; -		*(.dynsym) -	} -  	.bss : {  		. = ALIGN(4);  		__bss_start = .; diff --git a/arch/arm/cpu/armv7/am33xx/board.c b/arch/arm/cpu/armv7/am33xx/board.c index 885fb2d20..b935a29a3 100644 --- a/arch/arm/cpu/armv7/am33xx/board.c +++ b/arch/arm/cpu/armv7/am33xx/board.c @@ -149,3 +149,43 @@ int arch_misc_init(void)  #endif  	return 0;  } + +#ifdef CONFIG_SPL_BUILD +void rtc32k_enable(void) +{ +	struct rtc_regs *rtc = (struct rtc_regs *)RTC_BASE; + +	/* +	 * Unlock the RTC's registers.  For more details please see the +	 * RTC_SS section of the TRM.  In order to unlock we need to +	 * write these specific values (keys) in this order. +	 */ +	writel(0x83e70b13, &rtc->kick0r); +	writel(0x95a4f1e0, &rtc->kick1r); + +	/* Enable the RTC 32K OSC by setting bits 3 and 6. */ +	writel((1 << 3) | (1 << 6), &rtc->osc); +} + +#define UART_RESET		(0x1 << 1) +#define UART_CLK_RUNNING_MASK	0x1 +#define UART_SMART_IDLE_EN	(0x1 << 0x3) + +void uart_soft_reset(void) +{ +	struct uart_sys *uart_base = (struct uart_sys *)DEFAULT_UART_BASE; +	u32 regval; + +	regval = readl(&uart_base->uartsyscfg); +	regval |= UART_RESET; +	writel(regval, &uart_base->uartsyscfg); +	while ((readl(&uart_base->uartsyssts) & +		UART_CLK_RUNNING_MASK) != UART_CLK_RUNNING_MASK) +		; + +	/* Disable smart idle */ +	regval = readl(&uart_base->uartsyscfg); +	regval |= UART_SMART_IDLE_EN; +	writel(regval, &uart_base->uartsyscfg); +} +#endif diff --git a/arch/arm/cpu/armv7/am33xx/clock_am33xx.c b/arch/arm/cpu/armv7/am33xx/clock_am33xx.c index a1efc7520..9c4d0b439 100644 --- a/arch/arm/cpu/armv7/am33xx/clock_am33xx.c +++ b/arch/arm/cpu/armv7/am33xx/clock_am33xx.c @@ -246,7 +246,7 @@ static void enable_per_clocks(void)  		;  } -static void mpu_pll_config(void) +void mpu_pll_config_val(int mpull_m)  {  	u32 clkmode, clksel, div_m2; @@ -260,7 +260,7 @@ static void mpu_pll_config(void)  		;  	clksel = clksel & (~CLK_SEL_MASK); -	clksel = clksel | ((MPUPLL_M << CLK_SEL_SHIFT) | MPUPLL_N); +	clksel = clksel | ((mpull_m << CLK_SEL_SHIFT) | MPUPLL_N);  	writel(clksel, &cmwkup->clkseldpllmpu);  	div_m2 = div_m2 & ~CLK_DIV_MASK; @@ -274,6 +274,11 @@ static void mpu_pll_config(void)  		;  } +static void mpu_pll_config(void) +{ +	mpu_pll_config_val(CONFIG_SYS_MPUCLK); +} +  static void core_pll_config(void)  {  	u32 clkmode, clksel, div_m4, div_m5, div_m6; diff --git a/arch/arm/cpu/armv7/exynos/Makefile b/arch/arm/cpu/armv7/exynos/Makefile index 9119961d9..b2f9152e1 100644 --- a/arch/arm/cpu/armv7/exynos/Makefile +++ b/arch/arm/cpu/armv7/exynos/Makefile @@ -22,7 +22,7 @@ include $(TOPDIR)/config.mk  LIB	= $(obj)lib$(SOC).o -COBJS	+= clock.o power.o soc.o system.o pinmux.o +COBJS	+= clock.o power.o soc.o system.o pinmux.o tzpc.o  SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)  OBJS	:= $(addprefix $(obj),$(COBJS) $(SOBJS)) diff --git a/arch/arm/cpu/armv7/exynos/clock.c b/arch/arm/cpu/armv7/exynos/clock.c index 223660aab..e1c42462e 100644 --- a/arch/arm/cpu/armv7/exynos/clock.c +++ b/arch/arm/cpu/armv7/exynos/clock.c @@ -116,10 +116,8 @@ static int exynos_get_pll_clk(int pllreg, unsigned int r, unsigned int k)  		/* 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)))); +		/* FOUT = MDIV * FIN / (PDIV * 2^SDIV) */ +		fout = m * (freq / (p * (1 << s)));  	}  	return fout; @@ -613,7 +611,7 @@ static unsigned long exynos4_get_mmc_clk(int dev_index)  		(struct exynos4_clock *)samsung_get_base_clock();  	unsigned long uclk, sclk;  	unsigned int sel, ratio, pre_ratio; -	int shift; +	int shift = 0;  	sel = readl(&clk->src_fsys);  	sel = (sel >> (dev_index << 2)) & 0xf; @@ -662,7 +660,7 @@ static unsigned long exynos5_get_mmc_clk(int dev_index)  		(struct exynos5_clock *)samsung_get_base_clock();  	unsigned long uclk, sclk;  	unsigned int sel, ratio, pre_ratio; -	int shift; +	int shift = 0;  	sel = readl(&clk->src_fsys);  	sel = (sel >> (dev_index << 2)) & 0xf; diff --git a/arch/arm/cpu/armv7/exynos/tzpc.c b/arch/arm/cpu/armv7/exynos/tzpc.c new file mode 100644 index 000000000..f5e8e9c47 --- /dev/null +++ b/arch/arm/cpu/armv7/exynos/tzpc.c @@ -0,0 +1,57 @@ +/* + * Lowlevel setup for SMDK5250 board based on S5PC520 + * + * Copyright (C) 2012 Samsung Electronics + * + * 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/arch/tzpc.h> +#include <asm/io.h> + +/* Setting TZPC[TrustZone Protection Controller] */ +void tzpc_init(void) +{ +	struct exynos_tzpc *tzpc; +	unsigned int addr, start = 0, end = 0; + +	start = samsung_get_base_tzpc(); + +	if (cpu_is_exynos5()) +		end = start + ((EXYNOS5_NR_TZPC_BANKS - 1) * TZPC_BASE_OFFSET); +	else if (cpu_is_exynos4()) +		end = start + ((EXYNOS4_NR_TZPC_BANKS - 1) * TZPC_BASE_OFFSET); + +	for (addr = start; addr <= end; addr += TZPC_BASE_OFFSET) { +		tzpc = (struct exynos_tzpc *)addr; + +		if (addr == start) +			writel(R0SIZE, &tzpc->r0size); + +		writel(DECPROTXSET, &tzpc->decprot0set); +		writel(DECPROTXSET, &tzpc->decprot1set); + +		if (cpu_is_exynos5() && (addr == end)) +			break; + +		writel(DECPROTXSET, &tzpc->decprot2set); +		writel(DECPROTXSET, &tzpc->decprot3set); +	} +} diff --git a/arch/arm/cpu/armv7/s5p-common/Makefile b/arch/arm/cpu/armv7/s5p-common/Makefile index 17053995b..0c38bd0d2 100644 --- a/arch/arm/cpu/armv7/s5p-common/Makefile +++ b/arch/arm/cpu/armv7/s5p-common/Makefile @@ -26,9 +26,11 @@ include $(TOPDIR)/config.mk  LIB	= $(obj)libs5p-common.o  COBJS-y		+= cpu_info.o +ifndef CONFIG_SPL_BUILD  COBJS-y		+= timer.o  COBJS-y		+= sromc.o  COBJS-$(CONFIG_PWM)	+= pwm.o +endif  SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)  OBJS	:= $(addprefix $(obj),$(COBJS-y) $(SOBJS)) diff --git a/arch/arm/cpu/armv7/s5p-common/timer.c b/arch/arm/cpu/armv7/s5p-common/timer.c index 4adfaae65..637593c33 100644 --- a/arch/arm/cpu/armv7/s5p-common/timer.c +++ b/arch/arm/cpu/armv7/s5p-common/timer.c @@ -95,7 +95,7 @@ unsigned long get_timer(unsigned long base)  	return time_ms - base;  } -unsigned long timer_get_us(void) +unsigned long __attribute__((no_instrument_function)) timer_get_us(void)  {  	static unsigned long base_time_us; diff --git a/arch/arm/cpu/ixp/u-boot.lds b/arch/arm/cpu/ixp/u-boot.lds index 553589ca6..54bafda32 100644 --- a/arch/arm/cpu/ixp/u-boot.lds +++ b/arch/arm/cpu/ixp/u-boot.lds @@ -31,6 +31,7 @@ SECTIONS  	. = ALIGN(4);  	.text :  	{ +		*(.__image_copy_start)  		arch/arm/cpu/ixp/start.o(.text*)  		*(.text*)  	} @@ -54,17 +55,23 @@ SECTIONS  	. = ALIGN(4); -	__image_copy_end = .; +	.image_copy_end : +	{ +		*(.__image_copy_end) +	} + +	.rel_dyn_start : +	{ +		*(.__rel_dyn_start) +	}  	.rel.dyn : { -		__rel_dyn_start = .;  		*(.rel*) -		__rel_dyn_end = .;  	} -	.dynsym : { -		__dynsym_start = .; -		*(.dynsym) +	.rel_dyn_end : +	{ +		*(.__rel_dyn_end)  	}  	_end = .; @@ -88,6 +95,7 @@ SECTIONS  		KEEP(*(.__bss_end));  	} +	/DISCARD/ : { *(.dynsym) }  	/DISCARD/ : { *(.dynstr*) }  	/DISCARD/ : { *(.dynamic*) }  	/DISCARD/ : { *(.plt*) } diff --git a/arch/arm/cpu/u-boot-spl.lds b/arch/arm/cpu/u-boot-spl.lds index 1408f03b2..b6ed25f7d 100644 --- a/arch/arm/cpu/u-boot-spl.lds +++ b/arch/arm/cpu/u-boot-spl.lds @@ -58,11 +58,6 @@ SECTIONS  		__rel_dyn_end = .;  	} -	.dynsym : { -		__dynsym_start = .; -		*(.dynsym) -	} -  	_end = .;  	.bss __rel_dyn_start (OVERLAY) : { @@ -72,6 +67,7 @@ SECTIONS  		__bss_end = .;  	} +	/DISCARD/ : { *(.dynsym) }  	/DISCARD/ : { *(.dynstr*) }  	/DISCARD/ : { *(.dynamic*) }  	/DISCARD/ : { *(.plt*) } diff --git a/arch/arm/cpu/u-boot.lds b/arch/arm/cpu/u-boot.lds index d9bbee3b2..3037885b1 100644 --- a/arch/arm/cpu/u-boot.lds +++ b/arch/arm/cpu/u-boot.lds @@ -33,7 +33,7 @@ SECTIONS  	. = ALIGN(4);  	.text :  	{ -		__image_copy_start = .; +		*(.__image_copy_start)  		CPUDIR/start.o (.text*)  		*(.text*)  	} @@ -57,17 +57,23 @@ SECTIONS  	. = ALIGN(4); -	__image_copy_end = .; +	.image_copy_end : +	{ +		*(.__image_copy_end) +	} + +	.rel_dyn_start : +	{ +		*(.__rel_dyn_start) +	}  	.rel.dyn : { -		__rel_dyn_start = .;  		*(.rel*) -		__rel_dyn_end = .;  	} -	.dynsym : { -		__dynsym_start = .; -		*(.dynsym) +	.rel_dyn_end : +	{ +		*(.__rel_dyn_end)  	}  	_end = .; @@ -101,6 +107,7 @@ SECTIONS  		KEEP(*(.__bss_end));  	} +	/DISCARD/ : { *(.dynsym) }  	/DISCARD/ : { *(.dynstr*) }  	/DISCARD/ : { *(.dynamic*) }  	/DISCARD/ : { *(.plt*) }  |