diff options
| author | Dinh Nguyen <dinguyen@opensource.altera.com> | 2015-04-15 16:44:32 -0500 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2015-04-21 12:23:17 +0200 |
| commit | 0ef44d1150cfae5eb5eaea27db129547ac9f1ff7 (patch) | |
| tree | f286e3ebe11fc3e3db065a5b3f9263d1a05a4c79 /arch/arm/cpu/armv7 | |
| parent | a74732b611affbce1f1fb81f895f17f797276683 (diff) | |
arm: socfpga: spl: add board_init_f to SPL
Remap SDRAM to 0x0, and clear OCRAM's ECC in board_init_f().
Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Diffstat (limited to 'arch/arm/cpu/armv7')
| -rw-r--r-- | arch/arm/cpu/armv7/socfpga/spl.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/socfpga/spl.c b/arch/arm/cpu/armv7/socfpga/spl.c index d7cedadfc6..f994658452 100644 --- a/arch/arm/cpu/armv7/socfpga/spl.c +++ b/arch/arm/cpu/armv7/socfpga/spl.c @@ -6,6 +6,7 @@ #include <common.h> #include <asm/io.h> +#include <asm/pl310.h> #include <asm/u-boot.h> #include <asm/utils.h> #include <image.h> @@ -19,6 +20,9 @@ DECLARE_GLOBAL_DATA_PTR; +static struct pl310_regs *const pl310 = + (struct pl310_regs *)CONFIG_SYS_PL310_BASE; + #define MAIN_VCO_BASE ( \ (CONFIG_HPS_MAINPLLGRP_VCO_DENOM << \ CLKMGR_MAINPLLGRP_VCO_DENOM_OFFSET) | \ @@ -44,6 +48,31 @@ DECLARE_GLOBAL_DATA_PTR; CLKMGR_SDRPLLGRP_VCO_NUMER_OFFSET) \ ) +void board_init_f(ulong dummy) +{ + struct socfpga_system_manager *sysmgr_regs = + (struct socfpga_system_manager *)SOCFPGA_SYSMGR_ADDRESS; + unsigned long reg; + /* + * First C code to run. Clear fake OCRAM ECC first as SBE + * and DBE might triggered during power on + */ + reg = readl(&sysmgr_regs->eccgrp_ocram); + if (reg & SYSMGR_ECC_OCRAM_SERR) + writel(SYSMGR_ECC_OCRAM_SERR | SYSMGR_ECC_OCRAM_EN, + &sysmgr_regs->eccgrp_ocram); + if (reg & SYSMGR_ECC_OCRAM_DERR) + writel(SYSMGR_ECC_OCRAM_DERR | SYSMGR_ECC_OCRAM_EN, + &sysmgr_regs->eccgrp_ocram); + + memset(__bss_start, 0, __bss_end - __bss_start); + + /* Remap SDRAM to 0x0 */ + writel(0x1, &pl310->pl310_addr_filter_start); + + board_init_r(NULL, 0); +} + u32 spl_boot_device(void) { return BOOT_DEVICE_RAM; |