diff options
Diffstat (limited to 'arch/arm/cpu')
| -rw-r--r-- | arch/arm/cpu/arm1136/mx35/generic.c | 14 | ||||
| -rw-r--r-- | arch/arm/cpu/arm720t/interrupts.c | 2 | ||||
| -rw-r--r-- | arch/arm/cpu/arm720t/tegra-common/spl.c | 91 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/am33xx/clock.c | 35 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/mx5/clock.c | 2 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/mx5/lowlevel_init.S | 158 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/omap3/board.c | 28 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/socfpga/spl.c | 4 | ||||
| -rw-r--r-- | arch/arm/cpu/tegra20-common/emc.c | 2 | ||||
| -rw-r--r-- | arch/arm/cpu/u-boot.lds | 4 |
10 files changed, 200 insertions, 140 deletions
diff --git a/arch/arm/cpu/arm1136/mx35/generic.c b/arch/arm/cpu/arm1136/mx35/generic.c index 7dc1a8e..41e9639 100644 --- a/arch/arm/cpu/arm1136/mx35/generic.c +++ b/arch/arm/cpu/arm1136/mx35/generic.c @@ -361,8 +361,12 @@ unsigned int mxc_get_clock(enum mxc_clock clk) return get_ipg_per_clk(); case MXC_UART_CLK: return imx_get_uartclk(); - case MXC_ESDHC_CLK: + case MXC_ESDHC1_CLK: return mxc_get_peri_clock(ESDHC1_CLK); + case MXC_ESDHC2_CLK: + return mxc_get_peri_clock(ESDHC2_CLK); + case MXC_ESDHC3_CLK: + return mxc_get_peri_clock(ESDHC3_CLK); case MXC_USB_CLK: return mxc_get_main_clock(USB_CLK); case MXC_FEC_CLK: @@ -472,7 +476,13 @@ int cpu_mmc_init(bd_t *bis) int get_clocks(void) { #ifdef CONFIG_FSL_ESDHC - gd->sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); +#if CONFIG_SYS_FSL_ESDHC_ADDR == MMC_SDHC2_BASE_ADDR + gd->sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); +#elif CONFIG_SYS_FSL_ESDHC_ADDR == MMC_SDHC3_BASE_ADDR + gd->sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); +#else + gd->sdhc_clk = mxc_get_clock(MXC_ESDHC1_CLK); +#endif #endif return 0; } diff --git a/arch/arm/cpu/arm720t/interrupts.c b/arch/arm/cpu/arm720t/interrupts.c index 8e763b7..623a24b 100644 --- a/arch/arm/cpu/arm720t/interrupts.c +++ b/arch/arm/cpu/arm720t/interrupts.c @@ -26,6 +26,8 @@ * MA 02111-1307 USA */ +#include <common.h> + #ifdef CONFIG_USE_IRQ void do_irq (struct pt_regs *pt_regs) { diff --git a/arch/arm/cpu/arm720t/tegra-common/spl.c b/arch/arm/cpu/arm720t/tegra-common/spl.c index 0d37ce8..c280ab7 100644 --- a/arch/arm/cpu/arm720t/tegra-common/spl.c +++ b/arch/arm/cpu/arm720t/tegra-common/spl.c @@ -23,105 +23,42 @@ * MA 02111-1307 USA */ #include <common.h> -#include <asm/u-boot.h> -#include <asm/utils.h> -#include <nand.h> -#include <mmc.h> -#include <fat.h> -#include <version.h> -#include <i2c.h> -#include <image.h> -#include <malloc.h> -#include <linux/compiler.h> #include "cpu.h" +#include <spl.h> #include <asm/io.h> #include <asm/arch/clock.h> #include <asm/arch/pinmux.h> #include <asm/arch/tegra.h> #include <asm/arch-tegra/board.h> -#include <asm/arch-tegra/clk_rst.h> -#include <asm/arch-tegra/pmc.h> -#include <asm/arch-tegra/scu.h> -#include <asm/arch-tegra/sys_proto.h> +#include <asm/arch/spl.h> -DECLARE_GLOBAL_DATA_PTR; -/* Define global data structure pointer to it*/ -static gd_t gdata __attribute__ ((section(".data"))); -static bd_t bdata __attribute__ ((section(".data"))); - -inline void hang(void) +void spl_board_init(void) { - puts("### ERROR ### Please RESET the board ###\n"); - for (;;) - ; -} + struct pmux_tri_ctlr *pmt = (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE; + + /* enable JTAG */ + writel(0xC0, &pmt->pmt_cfg_ctl); -void board_init_f(ulong dummy) -{ board_init_uart_f(); /* Initialize periph GPIOs */ gpio_early_init_uart(); - /* - * We call relocate_code() with relocation target same as the - * CONFIG_SYS_SPL_TEXT_BASE. This will result in relocation getting - * skipped. Instead, only .bss initialization will happen. That's - * all we need - */ - debug(">>board_init_f()\n"); - relocate_code(CONFIG_SPL_STACK, &gdata, CONFIG_SPL_TEXT_BASE); + clock_early_init(); + preloader_console_init(); } -/* This requires UART clocks to be enabled */ -static void preloader_console_init(void) +u32 spl_boot_device(void) { - const char *u_boot_rev = U_BOOT_VERSION; - - gd = &gdata; - gd->bd = &bdata; - gd->flags |= GD_FLG_RELOC; - gd->baudrate = CONFIG_BAUDRATE; - - serial_init(); /* serial communications setup */ - - gd->have_console = 1; - - /* Avoid a second "U-Boot" coming from this string */ - u_boot_rev = &u_boot_rev[7]; - - printf("\nU-Boot SPL %s (%s - %s)\n", u_boot_rev, U_BOOT_DATE, - U_BOOT_TIME); + return BOOT_DEVICE_RAM; } -void board_init_r(gd_t *id, ulong dummy) +void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image) { - struct pmux_tri_ctlr *pmt = (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE; - - /* enable JTAG */ - writel(0xC0, &pmt->pmt_cfg_ctl); - - debug(">>spl:board_init_r()\n"); - - mem_malloc_init(CONFIG_SYS_SPL_MALLOC_START, - CONFIG_SYS_SPL_MALLOC_SIZE); - -#ifdef CONFIG_SPL_BOARD_INIT - spl_board_init(); -#endif + debug("image entry point: 0x%X\n", spl_image->entry_point); - clock_early_init(); - serial_init(); - preloader_console_init(); - - start_cpu((u32)CONFIG_SYS_TEXT_BASE); + start_cpu((u32)spl_image->entry_point); halt_avp(); - /* not reached */ -} - -int board_usb_init(const void *blob) -{ - return 0; } diff --git a/arch/arm/cpu/armv7/am33xx/clock.c b/arch/arm/cpu/armv7/am33xx/clock.c index f870859..bc2abb6 100644 --- a/arch/arm/cpu/armv7/am33xx/clock.c +++ b/arch/arm/cpu/armv7/am33xx/clock.c @@ -115,6 +115,41 @@ static void enable_per_clocks(void) while (readl(&cmwkup->wkup_uart0ctrl) != PRCM_MOD_EN) ; + /* UART1 */ +#ifdef CONFIG_SERIAL2 + writel(PRCM_MOD_EN, &cmper->uart1clkctrl); + while (readl(&cmper->uart1clkctrl) != PRCM_MOD_EN) + ; +#endif /* CONFIG_SERIAL2 */ + + /* UART2 */ +#ifdef CONFIG_SERIAL3 + writel(PRCM_MOD_EN, &cmper->uart2clkctrl); + while (readl(&cmper->uart2clkctrl) != PRCM_MOD_EN) + ; +#endif /* CONFIG_SERIAL3 */ + + /* UART3 */ +#ifdef CONFIG_SERIAL4 + writel(PRCM_MOD_EN, &cmper->uart3clkctrl); + while (readl(&cmper->uart3clkctrl) != PRCM_MOD_EN) + ; +#endif /* CONFIG_SERIAL4 */ + + /* UART4 */ +#ifdef CONFIG_SERIAL5 + writel(PRCM_MOD_EN, &cmper->uart4clkctrl); + while (readl(&cmper->uart4clkctrl) != PRCM_MOD_EN) + ; +#endif /* CONFIG_SERIAL5 */ + + /* UART5 */ +#ifdef CONFIG_SERIAL6 + writel(PRCM_MOD_EN, &cmper->uart5clkctrl); + while (readl(&cmper->uart5clkctrl) != PRCM_MOD_EN) + ; +#endif /* CONFIG_SERIAL6 */ + /* MMC0*/ writel(PRCM_MOD_EN, &cmper->mmc0clkctrl); while (readl(&cmper->mmc0clkctrl) != PRCM_MOD_EN) diff --git a/arch/arm/cpu/armv7/mx5/clock.c b/arch/arm/cpu/armv7/mx5/clock.c index 2709860..1c9223f 100644 --- a/arch/arm/cpu/armv7/mx5/clock.c +++ b/arch/arm/cpu/armv7/mx5/clock.c @@ -338,7 +338,7 @@ static u32 get_ipg_per_clk(void) /* Get the output clock rate of a standard PLL MUX for peripherals. */ static u32 get_standard_pll_sel_clk(u32 clk_sel) { - u32 freq; + u32 freq = 0; switch (clk_sel & 0x3) { case 0: diff --git a/arch/arm/cpu/armv7/mx5/lowlevel_init.S b/arch/arm/cpu/armv7/mx5/lowlevel_init.S index 529e35b..29ec957 100644 --- a/arch/arm/cpu/armv7/mx5/lowlevel_init.S +++ b/arch/arm/cpu/armv7/mx5/lowlevel_init.S @@ -26,6 +26,13 @@ .section ".text.init", "x" +.macro init_arm_erratum + /* ARM erratum ID #468414 */ + mrc 15, 0, r1, c1, c0, 1 + orr r1, r1, #(1 << 5) /* enable L1NEON bit */ + mcr 15, 0, r1, c1, c0, 1 +.endm + /* * L2CC Cache setup/invalidation/disable */ @@ -162,9 +169,9 @@ setup_pll_func: .endm .macro init_clock +#if defined (CONFIG_MX51) ldr r0, =CCM_BASE_ADDR -#if defined(CONFIG_MX51) /* Gate of clocks to the peripherals first */ ldr r1, =0x3FFFFFFF str r1, [r0, #CLKCTL_CCGR0] @@ -190,21 +197,6 @@ setup_pll_func: 1: ldr r1, [r0, #CLKCTL_CDHIPR] cmp r1, #0x0 bne 1b -#else - ldr r1, =0x3FFFFFFF - str r1, [r0, #CLKCTL_CCGR0] - str r4, [r0, #CLKCTL_CCGR1] - str r4, [r0, #CLKCTL_CCGR2] - str r4, [r0, #CLKCTL_CCGR3] - str r4, [r0, #CLKCTL_CCGR7] - - ldr r1, =0x00030000 - str r1, [r0, #CLKCTL_CCGR4] - ldr r1, =0x00FFF030 - str r1, [r0, #CLKCTL_CCGR5] - ldr r1, =0x0F00030F - str r1, [r0, #CLKCTL_CCGR6] -#endif /* Switch ARM to step clock */ mov r1, #0x4 @@ -217,7 +209,6 @@ setup_pll_func: setup_pll PLL1_BASE_ADDR, 800 #endif -#if defined(CONFIG_MX51) setup_pll PLL3_BASE_ADDR, 665 /* Switch peripheral to PLL 3 */ @@ -234,7 +225,7 @@ setup_pll_func: str r1, [r0, #CLKCTL_CBCDR] ldr r1, =0x000020C0 | CONFIG_SYS_DDR_CLKSEL str r1, [r0, #CLKCTL_CBCMR] -#endif + setup_pll PLL3_BASE_ADDR, 216 /* Set the platform clock dividers */ @@ -244,21 +235,17 @@ setup_pll_func: 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 r3, [r4, #ROM_SI_REV] cmp r3, #0x10 movls r1, #0x1 movhi r1, #0 -#else - mov r1, #0 -#endif + str r1, [r0, #CLKCTL_CACRR] /* Switch ARM back to PLL 1 */ str r4, [r0, #CLKCTL_CCSR] -#if defined(CONFIG_MX51) /* setup the rest */ /* Use lp_apm (24MHz) source for perclk */ ldr r1, =0x000020C2 | CONFIG_SYS_DDR_CLKSEL @@ -266,7 +253,6 @@ setup_pll_func: /* 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 @@ -277,47 +263,127 @@ setup_pll_func: 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) + /* make sure divider effective */ +1: ldr r1, [r0, #CLKCTL_CDHIPR] + cmp r1, #0x0 + bne 1b + + str r4, [r0, #CLKCTL_CCDR] + + /* for cko - for ARM div by 8 */ + mov r1, #0x000A0000 + add r1, r1, #0x00000F0 + str r1, [r0, #CLKCTL_CCOSR] +#else /* CONFIG_MX53 */ + ldr r0, =CCM_BASE_ADDR + + /* Gate of clocks to the peripherals first */ + ldr r1, =0x3FFFFFFF + str r1, [r0, #CLKCTL_CCGR0] + str r4, [r0, #CLKCTL_CCGR1] + str r4, [r0, #CLKCTL_CCGR2] + str r4, [r0, #CLKCTL_CCGR3] + str r4, [r0, #CLKCTL_CCGR7] + ldr r1, =0x00030000 + str r1, [r0, #CLKCTL_CCGR4] + ldr r1, =0x00FFF030 + str r1, [r0, #CLKCTL_CCGR5] + ldr r1, =0x0F00030F + str r1, [r0, #CLKCTL_CCGR6] + + /* Switch ARM to step clock */ + mov r1, #0x4 + str r1, [r0, #CLKCTL_CCSR] + + setup_pll PLL1_BASE_ADDR, 800 + + setup_pll PLL3_BASE_ADDR, 400 + + /* Switch peripheral to PLL3 */ + ldr r0, =CCM_BASE_ADDR + ldr r1, =0x00015154 + str r1, [r0, #CLKCTL_CBCMR] + ldr r1, =0x02888945 + orr r1, r1, #(1 << 16) + str r1, [r0, #CLKCTL_CBCDR] + /* make sure change is effective */ +1: ldr r1, [r0, #CLKCTL_CDHIPR] + cmp r1, #0x0 + bne 1b + + setup_pll PLL2_BASE_ADDR, 400 + /* Switch peripheral to PLL2 */ ldr r0, =CCM_BASE_ADDR ldr r1, =0x00808145 - orr r1, r1, #2 << 10 - orr r1, r1, #1 << 19 + orr r1, r1, #(2 << 10) + orr r1, r1, #(0 << 16) + orr r1, r1, #(1 << 19) str r1, [r0, #CLKCTL_CBCDR] ldr r1, =0x00016154 str r1, [r0, #CLKCTL_CBCMR] - /* Change uart clk parent to pll2*/ + + /*change uart clk parent to pll2*/ ldr r1, [r0, #CLKCTL_CSCMR1] and r1, r1, #0xfcffffff orr r1, r1, #0x01000000 str r1, [r0, #CLKCTL_CSCMR1] + + /* make sure change is effective */ +1: ldr r1, [r0, #CLKCTL_CDHIPR] + cmp r1, #0x0 + bne 1b + + setup_pll PLL3_BASE_ADDR, 216 + + setup_pll PLL4_BASE_ADDR, 455 + + /* Set the platform clock dividers */ + ldr r0, =ARM_BASE_ADDR + ldr r1, =0x00000124 + str r1, [r0, #0x14] + + ldr r0, =CCM_BASE_ADDR + mov r1, #0 + str r1, [r0, #CLKCTL_CACRR] + + /* Switch ARM back to PLL 1. */ + mov r1, #0x0 + str r1, [r0, #CLKCTL_CCSR] + + /* make uart div=6 */ ldr r1, [r0, #CLKCTL_CSCDR1] and r1, r1, #0xffffffc0 orr r1, r1, #0x0a str r1, [r0, #CLKCTL_CSCDR1] -#endif - /* make sure divider effective */ -1: ldr r1, [r0, #CLKCTL_CDHIPR] - cmp r1, #0x0 - bne 1b - str r4, [r0, #CLKCTL_CCDR] + /* Restore the default values in the Gate registers */ + ldr r1, =0xFFFFFFFF + str r1, [r0, #CLKCTL_CCGR0] + str r1, [r0, #CLKCTL_CCGR1] + str r1, [r0, #CLKCTL_CCGR2] + str r1, [r0, #CLKCTL_CCGR3] + str r1, [r0, #CLKCTL_CCGR4] + str r1, [r0, #CLKCTL_CCGR5] + str r1, [r0, #CLKCTL_CCGR6] + str r1, [r0, #CLKCTL_CCGR7] - /* for cko - for ARM div by 8 */ - mov r1, #0x000A0000 - add r1, r1, #0x00000F0 - str r1, [r0, #CLKCTL_CCOSR] + mov r1, #0x00000 + str r1, [r0, #CLKCTL_CCDR] + + /* for cko - for ARM div by 8 */ + mov r1, #0x000A0000 + add r1, r1, #0x00000F0 + str r1, [r0, #CLKCTL_CCOSR] + +#endif /* CONFIG_MX53 */ .endm .macro setup_wdog @@ -340,6 +406,8 @@ ENTRY(lowlevel_init) str r1, [r0, #0x4] #endif + init_arm_erratum + init_l2cc init_aips @@ -370,3 +438,9 @@ W_DP_665: .word DP_OP_665 W_DP_216: .word DP_OP_216 .word DP_MFD_216 .word DP_MFN_216 +W_DP_400: .word DP_OP_400 + .word DP_MFD_400 + .word DP_MFN_400 +W_DP_455: .word DP_OP_455 + .word DP_MFD_455 + .word DP_MFN_455 diff --git a/arch/arm/cpu/armv7/omap3/board.c b/arch/arm/cpu/armv7/omap3/board.c index 9cee1d9..f3cd81a 100644 --- a/arch/arm/cpu/armv7/omap3/board.c +++ b/arch/arm/cpu/armv7/omap3/board.c @@ -50,7 +50,9 @@ DECLARE_GLOBAL_DATA_PTR; /* Declarations */ extern omap3_sysinfo sysinfo; static void omap3_setup_aux_cr(void); +#ifndef CONFIG_SYS_L2CACHE_OFF static void omap3_invalidate_l2_cache_secure(void); +#endif static const struct gpio_bank gpio_bank_34xx[6] = { { (void *)OMAP34XX_GPIO1_BASE, METHOD_GPIO_24XX }, @@ -410,19 +412,6 @@ static void omap3_update_aux_cr_secure(u32 set_bits, u32 clear_bits) } } -static void omap3_update_aux_cr(u32 set_bits, u32 clear_bits) -{ - u32 acr; - - /* Read ACR */ - asm volatile ("mrc p15, 0, %0, c1, c0, 1" : "=r" (acr)); - acr &= ~clear_bits; - acr |= set_bits; - - /* Write ACR - affects non-secure banked bits */ - asm volatile ("mcr p15, 0, %0, c1, c0, 1" : : "r" (acr)); -} - static void omap3_setup_aux_cr(void) { /* Workaround for Cortex-A8 errata: #454179 #430973 @@ -436,6 +425,19 @@ static void omap3_setup_aux_cr(void) } #ifndef CONFIG_SYS_L2CACHE_OFF +static void omap3_update_aux_cr(u32 set_bits, u32 clear_bits) +{ + u32 acr; + + /* Read ACR */ + asm volatile ("mrc p15, 0, %0, c1, c0, 1" : "=r" (acr)); + acr &= ~clear_bits; + acr |= set_bits; + + /* Write ACR - affects non-secure banked bits */ + asm volatile ("mcr p15, 0, %0, c1, c0, 1" : : "r" (acr)); +} + /* Invalidate the entire L2 cache from secure mode */ static void omap3_invalidate_l2_cache_secure(void) { diff --git a/arch/arm/cpu/armv7/socfpga/spl.c b/arch/arm/cpu/armv7/socfpga/spl.c index 944238b..84216eb 100644 --- a/arch/arm/cpu/armv7/socfpga/spl.c +++ b/arch/arm/cpu/armv7/socfpga/spl.c @@ -21,7 +21,6 @@ #include <asm/utils.h> #include <version.h> #include <image.h> -#include <malloc.h> #include <asm/arch/reset_manager.h> #include <spl.h> @@ -37,9 +36,6 @@ u32 spl_boot_device(void) */ void spl_board_init(void) { - /* init timer for enabling delay function */ - timer_init(); - /* de-assert reset for peripherals and bridges based on handoff */ reset_deassert_peripherals_handoff(); diff --git a/arch/arm/cpu/tegra20-common/emc.c b/arch/arm/cpu/tegra20-common/emc.c index 97420d7..90edf00 100644 --- a/arch/arm/cpu/tegra20-common/emc.c +++ b/arch/arm/cpu/tegra20-common/emc.c @@ -257,7 +257,7 @@ static int decode_emc(const void *blob, unsigned rate, struct emc_ctlr **emcp, int tegra_set_emc(const void *blob, unsigned rate) { struct emc_ctlr *emc; - const u32 *table; + const u32 *table = NULL; int err, i; err = decode_emc(blob, rate, &emc, &table); diff --git a/arch/arm/cpu/u-boot.lds b/arch/arm/cpu/u-boot.lds index 1996b97..e6b202b 100644 --- a/arch/arm/cpu/u-boot.lds +++ b/arch/arm/cpu/u-boot.lds @@ -94,3 +94,7 @@ SECTIONS /DISCARD/ : { *(.interp*) } /DISCARD/ : { *(.gnu*) } } + +#if defined(CONFIG_SPL_TEXT_BASE) && defined(CONFIG_SPL_MAX_SIZE) +ASSERT(__bss_end__ < (CONFIG_SPL_TEXT_BASE + CONFIG_SPL_MAX_SIZE), "SPL image too big"); +#endif |