diff options
author | Sascha Hauer <s.hauer@pengutronix.de> | 2013-01-15 14:50:41 +0100 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2013-01-20 16:55:44 +0100 |
commit | 6345f19af57b95abb2cab6de5f522f23dfce598e (patch) | |
tree | b8115f652f87f9f3e67028b8715a732d3b3d277c /arch | |
parent | 6e45abe47ece9052956afcda8331fd50a2500e96 (diff) | |
download | barebox-6345f19af57b95abb2cab6de5f522f23dfce598e.tar.gz barebox-6345f19af57b95abb2cab6de5f522f23dfce598e.tar.xz |
ARM i.MX boards: use helper function for external NAND boot
Use helper function for external NAND boot to get some positive
diffstat.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch')
20 files changed, 47 insertions, 439 deletions
diff --git a/arch/arm/boards/eukrea_cpuimx25/eukrea_cpuimx25.c b/arch/arm/boards/eukrea_cpuimx25/eukrea_cpuimx25.c index ae2363aa2a..98c9b435be 100644 --- a/arch/arm/boards/eukrea_cpuimx25/eukrea_cpuimx25.c +++ b/arch/arm/boards/eukrea_cpuimx25/eukrea_cpuimx25.c @@ -235,10 +235,3 @@ static int eukrea_cpuimx25_console_init(void) } console_initcall(eukrea_cpuimx25_console_init); - -#ifdef CONFIG_NAND_IMX_BOOT -void __bare_init nand_boot(void) -{ - imx_nand_load_image(_text, barebox_image_size); -} -#endif diff --git a/arch/arm/boards/eukrea_cpuimx25/lowlevel.c b/arch/arm/boards/eukrea_cpuimx25/lowlevel.c index 36ce98bc69..3c1b50cba1 100644 --- a/arch/arm/boards/eukrea_cpuimx25/lowlevel.c +++ b/arch/arm/boards/eukrea_cpuimx25/lowlevel.c @@ -30,27 +30,9 @@ #include <asm-generic/memory_layout.h> #include <asm/system.h> -#ifdef CONFIG_NAND_IMX_BOOT -static void __bare_init __naked insdram(void) -{ - uint32_t r; - - /* setup a stack to be able to call imx_nand_load_image() */ - arm_setup_stack(STACK_BASE + STACK_SIZE - 12); - - imx_nand_load_image(_text, barebox_image_size); - - board_init_lowlevel_return(); -} -#endif - void __bare_init __naked reset(void) { uint32_t r; -#ifdef CONFIG_NAND_IMX_BOOT - unsigned int *trg, *src; - int i; -#endif register uint32_t loops = 0x20000; common_reset(); @@ -146,21 +128,10 @@ void __bare_init __naked reset(void) writel(0x82216080, MX25_ESDCTL_BASE_ADDR + IMX_ESDCTL0); #ifdef CONFIG_NAND_IMX_BOOT - /* skip NAND boot if not running from NFC space */ - r = get_pc(); - if (r < MX25_NFC_BASE_ADDR || r > MX25_NFC_BASE_ADDR + 0x800) - board_init_lowlevel_return(); - - src = (unsigned int *)MX25_NFC_BASE_ADDR; - trg = (unsigned int *)_text; - - /* Move ourselves out of NFC SRAM */ - for (i = 0; i < 0x800 / sizeof(int); i++) - *trg++ = *src++; + /* setup a stack to be able to call imx25_barebox_boot_nand_external() */ + arm_setup_stack(STACK_BASE + STACK_SIZE - 12); - /* Jump to SDRAM */ - r = (unsigned int)&insdram; - __asm__ __volatile__("mov pc, %0" : : "r"(r)); + imx25_barebox_boot_nand_external(); #else board_init_lowlevel_return(); #endif diff --git a/arch/arm/boards/eukrea_cpuimx27/eukrea_cpuimx27.c b/arch/arm/boards/eukrea_cpuimx27/eukrea_cpuimx27.c index 498e9b4a8e..65b6c44843 100644 --- a/arch/arm/boards/eukrea_cpuimx27/eukrea_cpuimx27.c +++ b/arch/arm/boards/eukrea_cpuimx27/eukrea_cpuimx27.c @@ -248,12 +248,3 @@ static int eukrea_cpuimx27_late_init(void) } late_initcall(eukrea_cpuimx27_late_init); - -#ifdef CONFIG_NAND_IMX_BOOT -void __bare_init nand_boot(void) -{ - imx_nand_load_image(_text, barebox_image_size); - board_init_lowlevel_return(); -} -#endif - diff --git a/arch/arm/boards/eukrea_cpuimx27/lowlevel_init.S b/arch/arm/boards/eukrea_cpuimx27/lowlevel_init.S index 4ee6efb84e..4e69aac2d5 100644 --- a/arch/arm/boards/eukrea_cpuimx27/lowlevel_init.S +++ b/arch/arm/boards/eukrea_cpuimx27/lowlevel_init.S @@ -126,28 +126,7 @@ reset: #ifdef CONFIG_NAND_IMX_BOOT ldr sp, =STACK_BASE + STACK_SIZE - 12 /* Setup a temporary stack in SDRAM */ - ldr r0, =MX27_NFC_BASE_ADDR /* start of NFC SRAM */ - ldr r2, =MX27_NFC_BASE_ADDR + 0x1000 /* end of NFC SRAM */ - - /* skip NAND boot if not running from NFC space */ - cmp pc, r0 - bls ret - cmp pc, r2 - bhi ret - - /* Move ourselves out of NFC SRAM */ - ldr r1, =_text - -copy_loop: - ldmia r0!, {r3-r9} /* copy from source address [r0] */ - stmia r1!, {r3-r9} /* copy to target address [r1] */ - cmp r0, r2 /* until source end address [r2] */ - ble copy_loop - - ldr pc, =1f /* Jump to SDRAM */ -1: - b nand_boot /* Load barebox from NAND Flash */ - /* to SDRAM */ + b imx27_barebox_boot_nand_external #endif /* CONFIG_NAND_IMX_BOOT */ ret: diff --git a/arch/arm/boards/eukrea_cpuimx35/lowlevel.c b/arch/arm/boards/eukrea_cpuimx35/lowlevel.c index 052333503d..8f4615af41 100644 --- a/arch/arm/boards/eukrea_cpuimx35/lowlevel.c +++ b/arch/arm/boards/eukrea_cpuimx35/lowlevel.c @@ -35,34 +35,10 @@ #define MPCTL_PARAM_532 ((1 << 31) | IMX_PLL_PD(0) | IMX_PLL_MFD(11) | IMX_PLL_MFI(11) | IMX_PLL_MFN(1)) #define PPCTL_PARAM_300 (IMX_PLL_PD(0) | IMX_PLL_MFD(3) | IMX_PLL_MFI(6) | IMX_PLL_MFN(1)) -#ifdef CONFIG_NAND_IMX_BOOT -static void __bare_init __naked insdram(void) -{ - uint32_t r; - - /* Speed up NAND controller by adjusting the NFC divider */ - r = readl(MX35_CCM_BASE_ADDR + MX35_CCM_PDR4); - r &= ~(0xf << 28); - r |= 0x1 << 28; - writel(r, MX35_CCM_BASE_ADDR + MX35_CCM_PDR4); - - /* setup a stack to be able to call imx_nand_load_image() */ - arm_setup_stack(STACK_BASE + STACK_SIZE - 12); - - imx_nand_load_image(_text, barebox_image_size); - - board_init_lowlevel_return(); -} -#endif - void __bare_init __naked reset(void) { uint32_t r, s; unsigned long ccm_base = MX35_CCM_BASE_ADDR; -#ifdef CONFIG_NAND_IMX_BOOT - unsigned int *trg, *src; - int i; -#endif register uint32_t loops = 0x20000; common_reset(); @@ -155,23 +131,17 @@ void __bare_init __naked reset(void) writel(0x82228080, MX35_ESDCTL_BASE_ADDR + IMX_ESDCTL0); #ifdef CONFIG_NAND_IMX_BOOT - /* skip NAND boot if not running from NFC space */ - r = get_pc(); - if (r < MX35_NFC_BASE_ADDR || r > MX35_NFC_BASE_ADDR + 0x800) - board_init_lowlevel_return(); - - src = (unsigned int *)MX35_NFC_BASE_ADDR; - trg = (unsigned int *)_text; + /* Speed up NAND controller by adjusting the NFC divider */ + r = readl(MX35_CCM_BASE_ADDR + MX35_CCM_PDR4); + r &= ~(0xf << 28); + r |= 0x1 << 28; + writel(r, MX35_CCM_BASE_ADDR + MX35_CCM_PDR4); - /* Move ourselves out of NFC SRAM */ - for (i = 0; i < 0x800 / sizeof(int); i++) - *trg++ = *src++; + /* setup a stack to be able to call imx35_barebox_boot_nand_external() */ + arm_setup_stack(STACK_BASE + STACK_SIZE - 12); - /* Jump to SDRAM */ - r = (unsigned int)&insdram; - __asm__ __volatile__("mov pc, %0" : : "r"(r)); + imx35_barebox_boot_nand_external(); #else board_init_lowlevel_return(); #endif } - diff --git a/arch/arm/boards/freescale-mx25-3-stack/3stack.c b/arch/arm/boards/freescale-mx25-3-stack/3stack.c index 1271ad95ca..4d048beb1b 100644 --- a/arch/arm/boards/freescale-mx25-3-stack/3stack.c +++ b/arch/arm/boards/freescale-mx25-3-stack/3stack.c @@ -274,14 +274,6 @@ static int imx25_console_init(void) console_initcall(imx25_console_init); -#ifdef CONFIG_NAND_IMX_BOOT -void __bare_init nand_boot(void) -{ - imx_nand_load_image(_text, barebox_image_size); - board_init_lowlevel_return(); -} -#endif - static int imx25_core_setup(void) { writel(0x01010103, MX25_CCM_BASE_ADDR + MX25_CCM_PCDR2); @@ -289,4 +281,3 @@ static int imx25_core_setup(void) } core_initcall(imx25_core_setup); - diff --git a/arch/arm/boards/freescale-mx25-3-stack/lowlevel_init.S b/arch/arm/boards/freescale-mx25-3-stack/lowlevel_init.S index fb980991a6..595c485128 100644 --- a/arch/arm/boards/freescale-mx25-3-stack/lowlevel_init.S +++ b/arch/arm/boards/freescale-mx25-3-stack/lowlevel_init.S @@ -100,28 +100,7 @@ reset: #ifdef CONFIG_NAND_IMX_BOOT ldr sp, =STACK_BASE + STACK_SIZE - 12 /* Setup a temporary stack in SDRAM */ - ldr r0, =MX25_NFC_BASE_ADDR /* start of NFC SRAM */ - ldr r2, =MX25_NFC_BASE_ADDR + 0x1000 /* end of NFC SRAM */ - - /* skip NAND boot if not running from NFC space */ - cmp pc, r0 - bls ret - cmp pc, r2 - bhi ret - - /* Move ourselves out of NFC SRAM */ - ldr r1, =_text - -copy_loop: - ldmia r0!, {r3-r9} /* copy from source address [r0] */ - stmia r1!, {r3-r9} /* copy to target address [r1] */ - cmp r0, r2 /* until source end address [r2] */ - ble copy_loop - - ldr pc, =1f /* Jump to SDRAM */ -1: - b nand_boot /* Load barebox from NAND Flash */ - + b imx25_barebox_boot_nand_external #endif /* CONFIG_NAND_IMX_BOOT */ ret: diff --git a/arch/arm/boards/freescale-mx35-3-stack/3stack.c b/arch/arm/boards/freescale-mx35-3-stack/3stack.c index 3128d4fb1a..02844c5987 100644 --- a/arch/arm/boards/freescale-mx35-3-stack/3stack.c +++ b/arch/arm/boards/freescale-mx35-3-stack/3stack.c @@ -427,15 +427,3 @@ static int f3s_pmic_init(void) } late_initcall(f3s_pmic_init); - -#ifdef CONFIG_NAND_IMX_BOOT -void __bare_init nand_boot(void) -{ - /* - * The driver is able to detect NAND's pagesize by CPU internal - * fuses or external pull ups. But not the blocksize... - */ - imx_nand_load_image(_text, barebox_image_size); - board_init_lowlevel_return(); -} -#endif diff --git a/arch/arm/boards/freescale-mx35-3-stack/lowlevel_init.S b/arch/arm/boards/freescale-mx35-3-stack/lowlevel_init.S index dada5f3fd5..5461b61fcb 100644 --- a/arch/arm/boards/freescale-mx35-3-stack/lowlevel_init.S +++ b/arch/arm/boards/freescale-mx35-3-stack/lowlevel_init.S @@ -157,28 +157,7 @@ reset: #ifdef CONFIG_NAND_IMX_BOOT ldr sp, =STACK_BASE + STACK_SIZE - 12 /* Setup a temporary stack in SDRAM */ - ldr r0, =MX35_NFC_BASE_ADDR /* start of NFC SRAM */ - ldr r2, =MX35_NFC_BASE_ADDR + 0x800 /* end of NFC SRAM */ - - /* skip NAND boot if not running from NFC space */ - cmp pc, r0 - blo ret - cmp pc, r2 - bhs ret - - /* Move ourselves out of NFC SRAM */ - ldr r1, =_text - -copy_loop: - ldmia r0!, {r3-r9} /* copy from source address [r0] */ - stmia r1!, {r3-r9} /* copy to target address [r1] */ - cmp r0, r2 /* until source end address [r2] */ - ble copy_loop - - ldr pc, =1f /* Jump to SDRAM */ -1: - b nand_boot /* Load barebox from NAND Flash */ -ret: + b imx35_barebox_boot_nand_external #endif /* CONFIG_NAND_IMX_BOOT */ b board_init_lowlevel_return diff --git a/arch/arm/boards/guf-cupid/lowlevel.c b/arch/arm/boards/guf-cupid/lowlevel.c index 3de0346b98..f2994eb20d 100644 --- a/arch/arm/boards/guf-cupid/lowlevel.c +++ b/arch/arm/boards/guf-cupid/lowlevel.c @@ -42,26 +42,6 @@ #define SDRAM_COMPARE_CONST1 0x55555555 #define SDRAM_COMPARE_CONST2 0xaaaaaaaa -#ifdef CONFIG_NAND_IMX_BOOT -static void __bare_init __naked insdram(void) -{ - uint32_t r; - - /* Speed up NAND controller by adjusting the NFC divider */ - r = readl(MX35_CCM_BASE_ADDR + MX35_CCM_PDR4); - r &= ~(0xf << 28); - r |= 0x1 << 28; - writel(r, MX35_CCM_BASE_ADDR + MX35_CCM_PDR4); - - /* setup a stack to be able to call imx_nand_load_image() */ - arm_setup_stack(STACK_BASE + STACK_SIZE - 12); - - imx_nand_load_image(_text, barebox_image_size); - - board_init_lowlevel_return(); -} -#endif - static void __bare_init noinline setup_sdram(u32 memsize, u32 mode, u32 sdram_addr) { volatile int loop; @@ -188,9 +168,6 @@ void __bare_init __naked reset(void) u32 r0, r1; void *iomuxc_base = (void *)MX35_IOMUXC_BASE_ADDR; int i; -#ifdef CONFIG_NAND_IMX_BOOT - unsigned int *trg, *src; -#endif common_reset(); @@ -330,23 +307,17 @@ void __bare_init __naked reset(void) setup_sdram(r0, ESDMISC_MDDR_EN, 0x80000f00); #ifdef CONFIG_NAND_IMX_BOOT - /* skip NAND boot if not running from NFC space */ - r0 = get_pc(); - if (r0 < MX35_NFC_BASE_ADDR || r0 > MX35_NFC_BASE_ADDR + 0x800) - board_init_lowlevel_return(); - - src = (unsigned int *)MX35_NFC_BASE_ADDR; - trg = (unsigned int *)_text; + /* Speed up NAND controller by adjusting the NFC divider */ + r0 = readl(MX35_CCM_BASE_ADDR + MX35_CCM_PDR4); + r0 &= ~(0xf << 28); + r0 |= 0x1 << 28; + writel(r0, MX35_CCM_BASE_ADDR + MX35_CCM_PDR4); - /* Move ourselves out of NFC SRAM */ - for (i = 0; i < 0x800 / sizeof(int); i++) - *trg++ = *src++; + /* setup a stack to be able to call imx35_barebox_boot_nand_external() */ + arm_setup_stack(STACK_BASE + STACK_SIZE - 12); - /* Jump to SDRAM */ - r0 = (unsigned int)&insdram; - __asm__ __volatile__("mov pc, %0" : : "r"(r0)); + imx35_barebox_boot_nand_external(); #else board_init_lowlevel_return(); #endif } - diff --git a/arch/arm/boards/guf-neso/lowlevel.c b/arch/arm/boards/guf-neso/lowlevel.c index ad414d9208..7a366d908c 100644 --- a/arch/arm/boards/guf-neso/lowlevel.c +++ b/arch/arm/boards/guf-neso/lowlevel.c @@ -30,27 +30,12 @@ #include <asm-generic/sections.h> #include <asm-generic/memory_layout.h> -#ifdef CONFIG_NAND_IMX_BOOT -static void __bare_init __naked insdram(void) -{ - /* setup a stack to be able to call imx_nand_load_image() */ - arm_setup_stack(STACK_BASE + STACK_SIZE - 12); - - imx_nand_load_image(_text, barebox_image_size); - - board_init_lowlevel_return(); -} -#endif - #define ESDCTL0_VAL (ESDCTL0_SDE | ESDCTL0_ROW13 | ESDCTL0_COL10) void __bare_init __naked reset(void) { uint32_t r; int i; -#ifdef CONFIG_NAND_IMX_BOOT - unsigned int *trg, *src; -#endif common_reset(); @@ -102,23 +87,11 @@ void __bare_init __naked reset(void) MX27_ESDCTL_BASE_ADDR + IMX_ESDCTL0); #ifdef CONFIG_NAND_IMX_BOOT - /* skip NAND boot if not running from NFC space */ - r = get_pc(); - if (r < MX27_NFC_BASE_ADDR || r > MX27_NFC_BASE_ADDR + 0x800) - board_init_lowlevel_return(); - - src = (unsigned int *)MX27_NFC_BASE_ADDR; - trg = (unsigned int *)_text; - - /* Move ourselves out of NFC SRAM */ - for (i = 0; i < 0x800 / sizeof(int); i++) - *trg++ = *src++; + /* setup a stack to be able to call imx27_barebox_boot_nand_external() */ + arm_setup_stack(STACK_BASE + STACK_SIZE - 12); - /* Jump to SDRAM */ - r = (unsigned int)&insdram; - __asm__ __volatile__("mov pc, %0" : : "r"(r)); + imx27_barebox_boot_nand_external(); #else board_init_lowlevel_return(); #endif } - diff --git a/arch/arm/boards/imx21ads/imx21ads.c b/arch/arm/boards/imx21ads/imx21ads.c index ca566c831a..3d07633f59 100644 --- a/arch/arm/boards/imx21ads/imx21ads.c +++ b/arch/arm/boards/imx21ads/imx21ads.c @@ -189,12 +189,3 @@ static int mx21ads_console_init(void) } console_initcall(mx21ads_console_init); - -#ifdef CONFIG_NAND_IMX_BOOT -void __bare_init nand_boot(void) -{ - imx_nand_load_image(_text, barebox_image_size); - board_init_lowlevel_return(); -} -#endif - diff --git a/arch/arm/boards/imx21ads/lowlevel_init.S b/arch/arm/boards/imx21ads/lowlevel_init.S index e52cac1443..f06c964dd6 100644 --- a/arch/arm/boards/imx21ads/lowlevel_init.S +++ b/arch/arm/boards/imx21ads/lowlevel_init.S @@ -120,28 +120,7 @@ reset: #ifdef CONFIG_NAND_IMX_BOOT ldr sp, =STACK_BASE + STACK_SIZE - 12 /* Setup a temporary stack in SDRAM */ - ldr r0, =MX21_NFC_BASE_ADDR /* start of NFC SRAM */ - ldr r2, =MX21_NFC_BASE_ADDR + 0x800 /* end of NFC SRAM */ - - /* skip NAND boot if not running from NFC space */ - cmp pc, r0 - bls ret - cmp pc, r2 - bhi ret - - /* Move ourselves out of NFC SRAM */ - ldr r1, =_text - -copy_loop: - ldmia r0!, {r3-r9} /* copy from source address [r0] */ - stmia r1!, {r3-r9} /* copy to target address [r1] */ - cmp r0, r2 /* until source end address [r2] */ - ble copy_loop - - ldr pc, =1f /* Jump to SDRAM */ -1: - b nand_boot /* Load barebox from NAND Flash */ - /* SRAM to SDRAM */ + b imx21_barebox_boot_nand_external #endif /* CONFIG_NAND_IMX_BOOT */ ret: diff --git a/arch/arm/boards/karo-tx25/board.c b/arch/arm/boards/karo-tx25/board.c index 98140b33cc..7e97d6365c 100644 --- a/arch/arm/boards/karo-tx25/board.c +++ b/arch/arm/boards/karo-tx25/board.c @@ -154,13 +154,6 @@ static int tx25_console_init(void) console_initcall(tx25_console_init); -#ifdef CONFIG_NAND_IMX_BOOT -void __bare_init nand_boot(void) -{ - imx_nand_load_image(_text, barebox_image_size); -} -#endif - static iomux_v3_cfg_t tx25_lcdc_gpios[] = { MX25_PAD_A18__GPIO_2_4, /* LCD Reset (active LOW) */ MX25_PAD_PWM__GPIO_1_26, /* LCD Backlight brightness 0: full 1: off */ diff --git a/arch/arm/boards/karo-tx25/lowlevel.c b/arch/arm/boards/karo-tx25/lowlevel.c index 6f17958941..b1afe1872d 100644 --- a/arch/arm/boards/karo-tx25/lowlevel.c +++ b/arch/arm/boards/karo-tx25/lowlevel.c @@ -28,18 +28,6 @@ #include <asm-generic/sections.h> #include <asm-generic/memory_layout.h> -#ifdef CONFIG_NAND_IMX_BOOT -static void __bare_init __naked insdram(void) -{ - /* setup a stack to be able to call imx_nand_load_image() */ - arm_setup_stack(STACK_BASE + STACK_SIZE - 12); - - imx_nand_load_image(_text, barebox_image_size); - - board_init_lowlevel_return(); -} -#endif - static inline void __bare_init setup_sdram(uint32_t base, uint32_t esdctl, uint32_t esdcfg) { @@ -67,10 +55,6 @@ static inline void __bare_init setup_sdram(uint32_t base, uint32_t esdctl, void __bare_init __naked reset(void) { uint32_t r; -#ifdef CONFIG_NAND_IMX_BOOT - unsigned int *trg, *src; - int i; -#endif common_reset(); @@ -149,21 +133,10 @@ void __bare_init __naked reset(void) setup_sdram(0x90000000, ESDCTLVAL, ESDCFGVAL); #ifdef CONFIG_NAND_IMX_BOOT - /* skip NAND boot if not running from NFC space */ - r = get_pc(); - if (r < MX25_NFC_BASE_ADDR || r > MX25_NFC_BASE_ADDR + 0x800) - board_init_lowlevel_return(); - - src = (unsigned int *)MX25_NFC_BASE_ADDR; - trg = (unsigned int *)_text; - - /* Move ourselves out of NFC SRAM */ - for (i = 0; i < 0x800 / sizeof(int); i++) - *trg++ = *src++; + /* setup a stack to be able to call imx25_barebox_boot_nand_external() */ + arm_setup_stack(STACK_BASE + STACK_SIZE - 12); - /* Jump to SDRAM */ - r = (unsigned int)&insdram; - __asm__ __volatile__("mov pc, %0" : : "r"(r)); + imx25_barebox_boot_nand_external(); #else board_init_lowlevel_return(); #endif diff --git a/arch/arm/boards/pcm037/lowlevel.c b/arch/arm/boards/pcm037/lowlevel.c index baf63a53b9..da017325fe 100644 --- a/arch/arm/boards/pcm037/lowlevel.c +++ b/arch/arm/boards/pcm037/lowlevel.c @@ -30,28 +30,13 @@ #include <asm/barebox-arm-head.h> #include <mach/esdctl.h> -#ifdef CONFIG_NAND_IMX_BOOT -static void __bare_init __naked insdram(void) -{ - /* setup a stack to be able to call imx_nand_load_image() */ - arm_setup_stack(STACK_BASE + STACK_SIZE - 12); - - imx_nand_load_image(_text, barebox_image_size); - - board_init_lowlevel_return(); -} -#endif - #define ESDCTL0_VAL (ESDCTL0_SDE | ESDCTL0_ROW13 | ESDCTL0_COL10) void __bare_init __naked reset(void) { uint32_t r; volatile int v; -#ifdef CONFIG_NAND_IMX_BOOT - int i; - unsigned int *trg, *src; -#endif + common_reset(); writel(1 << 6, MX31_IPU_CTRL_BASE_ADDR); @@ -141,21 +126,10 @@ void __bare_init __naked reset(void) #endif #ifdef CONFIG_NAND_IMX_BOOT - /* skip NAND boot if not running from NFC space */ - r = get_pc(); - if (r < MX31_NFC_BASE_ADDR || r > MX31_NFC_BASE_ADDR + 0x800) - board_init_lowlevel_return(); - - src = (unsigned int *)MX31_NFC_BASE_ADDR; - trg = (unsigned int *)_text; - - /* Move ourselves out of NFC SRAM */ - for (i = 0; i < 0x800 / sizeof(int); i++) - *trg++ = *src++; + /* setup a stack to be able to call imx31_barebox_boot_nand_external() */ + arm_setup_stack(STACK_BASE + STACK_SIZE - 12); - /* Jump to SDRAM */ - r = (unsigned int)&insdram; - __asm__ __volatile__("mov pc, %0" : : "r"(r)); + imx31_barebox_boot_nand_external(); #else board_init_lowlevel_return(); #endif diff --git a/arch/arm/boards/pcm037/pcm037.c b/arch/arm/boards/pcm037/pcm037.c index 7894ff3bdb..959cc8ad8c 100644 --- a/arch/arm/boards/pcm037/pcm037.c +++ b/arch/arm/boards/pcm037/pcm037.c @@ -253,11 +253,3 @@ static int imx31_console_init(void) } console_initcall(imx31_console_init); - -#ifdef CONFIG_NAND_IMX_BOOT -void __bare_init nand_boot(void) -{ - imx_nand_load_image(_text, barebox_image_size); - board_init_lowlevel_return(); -} -#endif diff --git a/arch/arm/boards/pcm038/lowlevel.c b/arch/arm/boards/pcm038/lowlevel.c index 2f93c3127a..4515107741 100644 --- a/arch/arm/boards/pcm038/lowlevel.c +++ b/arch/arm/boards/pcm038/lowlevel.c @@ -31,27 +31,13 @@ #include "pll.h" -#ifdef CONFIG_NAND_IMX_BOOT -static void __bare_init __naked insdram(void) -{ - /* setup a stack to be able to call imx_nand_load_image() */ - arm_setup_stack(STACK_BASE + STACK_SIZE - 12); - - imx_nand_load_image(_text, barebox_image_size); - - board_init_lowlevel_return(); -} -#endif - #define ESDCTL0_VAL (ESDCTL0_SDE | ESDCTL0_ROW13 | ESDCTL0_COL10) void __bare_init __naked reset(void) { uint32_t r; int i; -#ifdef CONFIG_NAND_IMX_BOOT - unsigned int *trg, *src; -#endif + common_reset(); /* ahb lite ip interface */ @@ -108,23 +94,11 @@ void __bare_init __naked reset(void) MX27_ESDCTL_BASE_ADDR + IMX_ESDCTL0); #ifdef CONFIG_NAND_IMX_BOOT - /* skip NAND boot if not running from NFC space */ - r = get_pc(); - if (r < MX27_NFC_BASE_ADDR || r > MX27_NFC_BASE_ADDR + 0x800) - board_init_lowlevel_return(); - - src = (unsigned int *)MX27_NFC_BASE_ADDR; - trg = (unsigned int *)_text; - - /* Move ourselves out of NFC SRAM */ - for (i = 0; i < 0x800 / sizeof(int); i++) - *trg++ = *src++; + /* setup a stack to be able to call mx27_barebox_boot_nand_external() */ + arm_setup_stack(STACK_BASE + STACK_SIZE - 12); - /* Jump to SDRAM */ - r = (unsigned int)&insdram; - __asm__ __volatile__("mov pc, %0" : : "r"(r)); + imx27_barebox_boot_nand_external(); #else board_init_lowlevel_return(); #endif } - diff --git a/arch/arm/boards/pcm043/lowlevel.c b/arch/arm/boards/pcm043/lowlevel.c index 751f6aefdf..639064f97f 100644 --- a/arch/arm/boards/pcm043/lowlevel.c +++ b/arch/arm/boards/pcm043/lowlevel.c @@ -40,36 +40,13 @@ #define CCM_PDR0_399 0x00011000 #define CCM_PDR0_532 0x00001000 -#ifdef CONFIG_NAND_IMX_BOOT -static void __bare_init __naked insdram(void) -{ - uint32_t r; - - /* Speed up NAND controller by adjusting the NFC divider */ - r = readl(MX35_CCM_BASE_ADDR + MX35_CCM_PDR4); - r &= ~(0xf << 28); - r |= 0x1 << 28; - writel(r, MX35_CCM_BASE_ADDR + MX35_CCM_PDR4); - - /* setup a stack to be able to call imx_nand_load_image() */ - arm_setup_stack(STACK_BASE + STACK_SIZE - 12); - - imx_nand_load_image(_text, barebox_image_size); - - board_init_lowlevel_return(); -} -#endif - void __bare_init __naked reset(void) { uint32_t r, s; unsigned long ccm_base = MX35_CCM_BASE_ADDR; unsigned long iomuxc_base = MX35_IOMUXC_BASE_ADDR; unsigned long esdctl_base = MX35_ESDCTL_BASE_ADDR; -#ifdef CONFIG_NAND_IMX_BOOT - unsigned int *trg, *src; - int i; -#endif + common_reset(); r = get_cr(); @@ -206,23 +183,17 @@ void __bare_init __naked reset(void) writel(0x00002000, esdctl_base + IMX_ESDCTL1); #ifdef CONFIG_NAND_IMX_BOOT - /* skip NAND boot if not running from NFC space */ - r = get_pc(); - if (r < MX35_NFC_BASE_ADDR || r > MX35_NFC_BASE_ADDR + 0x800) - board_init_lowlevel_return(); - - src = (unsigned int *)MX35_NFC_BASE_ADDR; - trg = (unsigned int *)_text; + /* Speed up NAND controller by adjusting the NFC divider */ + r = readl(MX35_CCM_BASE_ADDR + MX35_CCM_PDR4); + r &= ~(0xf << 28); + r |= 0x1 << 28; + writel(r, MX35_CCM_BASE_ADDR + MX35_CCM_PDR4); - /* Move ourselves out of NFC SRAM */ - for (i = 0; i < 0x800 / sizeof(int); i++) - *trg++ = *src++; + /* setup a stack to be able to call imx35_barebox_boot_nand_external() */ + arm_setup_stack(STACK_BASE + STACK_SIZE - 12); - /* Jump to SDRAM */ - r = (unsigned int)&insdram; - __asm__ __volatile__("mov pc, %0" : : "r"(r)); + imx35_barebox_boot_nand_external(); #else board_init_lowlevel_return(); #endif } - diff --git a/arch/arm/boards/phycard-i.MX27/lowlevel_init.S b/arch/arm/boards/phycard-i.MX27/lowlevel_init.S index 38cc55c1dc..cb5d83dd07 100644 --- a/arch/arm/boards/phycard-i.MX27/lowlevel_init.S +++ b/arch/arm/boards/phycard-i.MX27/lowlevel_init.S @@ -111,31 +111,7 @@ reset: #ifdef CONFIG_NAND_IMX_BOOT ldr sp, =0xa0f00000 /* Setup a temporary stack in SDRAM */ - ldr r0, =MX27_NFC_BASE_ADDR /* start of NFC SRAM */ - ldr r2, =MX27_NFC_BASE_ADDR + 0x1000 /* end of NFC SRAM */ - - /* skip NAND boot if not running from NFC space */ - cmp pc, r0 - bls ret - cmp pc, r2 - bhi ret - - /* Move ourselves out of NFC SRAM */ - ldr r1, =_text - -copy_loop: - ldmia r0!, {r3-r9} /* copy from source address [r0] */ - stmia r1!, {r3-r9} /* copy to target address [r1] */ - cmp r0, r2 /* until source end address [r2] */ - ble copy_loop - - ldr pc, =1f /* Jump to SDRAM */ -1: - ldr r0,=_text - ldr r1,=_barebox_image_size - bl imx_nand_load_image - b board_init_lowlevel_return - + b imx27_barebox_boot_nand_external #endif /* CONFIG_NAND_IMX_BOOT */ ret: |