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author | Scott Wood <scottwood@freescale.com> | 2015-03-24 13:25:02 -0700 |
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committer | York Sun <yorksun@freescale.com> | 2015-04-23 16:46:50 -0700 |
commit | b2d5ac59859fa946e47fb6ab1f4f3486d4988680 (patch) | |
tree | 6c148fbcd0a66138d4d98dcf050df44d24fbef06 /arch/arm/cpu/armv8/fsl-lsch3/soc.c | |
parent | 39b0bbbb23076a7109eeb20b6ae812edcd60ffc2 (diff) | |
download | talos-obmc-uboot-b2d5ac59859fa946e47fb6ab1f4f3486d4988680.tar.gz talos-obmc-uboot-b2d5ac59859fa946e47fb6ab1f4f3486d4988680.zip |
armv8/ls2085aqds: NAND boot support
This adds NAND boot support for LS2085AQDS, using SPL framework.
Details of forming NAND image can be found in README.
Signed-off-by: Scott Wood <scottwood@freescale.com>
[York Sun: Remove +S from defconfig after commit 252ed872]
Signed-off-by: York Sun <yorksun@freescale.com>
Diffstat (limited to 'arch/arm/cpu/armv8/fsl-lsch3/soc.c')
-rw-r--r-- | arch/arm/cpu/armv8/fsl-lsch3/soc.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/fsl-lsch3/soc.c b/arch/arm/cpu/armv8/fsl-lsch3/soc.c index 17700ef94e..ca00108e40 100644 --- a/arch/arm/cpu/armv8/fsl-lsch3/soc.c +++ b/arch/arm/cpu/armv8/fsl-lsch3/soc.c @@ -6,8 +6,13 @@ #include <common.h> #include <fsl_ifc.h> +#include <nand.h> +#include <spl.h> #include <asm/arch-fsl-lsch3/soc.h> #include <asm/io.h> +#include <asm/global_data.h> + +DECLARE_GLOBAL_DATA_PTR; static void erratum_a008751(void) { @@ -18,8 +23,51 @@ static void erratum_a008751(void) #endif } +static void erratum_rcw_src(void) +{ +#if defined(CONFIG_SPL) + u32 __iomem *dcfg_ccsr = (u32 __iomem *)DCFG_BASE; + u32 __iomem *dcfg_dcsr = (u32 __iomem *)DCFG_DCSR_BASE; + u32 val; + + val = in_le32(dcfg_ccsr + DCFG_PORSR1 / 4); + val &= ~DCFG_PORSR1_RCW_SRC; + val |= DCFG_PORSR1_RCW_SRC_NOR; + out_le32(dcfg_dcsr + DCFG_DCSR_PORCR1 / 4, val); +#endif +} + void fsl_lsch3_early_init_f(void) { erratum_a008751(); + erratum_rcw_src(); init_early_memctl_regs(); /* tighten IFC timing */ } + +#ifdef CONFIG_SPL_BUILD +void board_init_f(ulong dummy) +{ + /* Clear global data */ + memset((void *)gd, 0, sizeof(gd_t)); + + arch_cpu_init(); + board_early_init_f(); + timer_init(); + env_init(); + gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE); + + serial_init(); + console_init_f(); + dram_init(); + + /* Clear the BSS. */ + memset(__bss_start, 0, __bss_end - __bss_start); + + board_init_r(NULL, 0); +} + +u32 spl_boot_device(void) +{ + return BOOT_DEVICE_NAND; +} +#endif |