diff options
| author | Alif Zakuan Yuslaimi <alif.zakuan.yuslaimi@altera.com> | 2025-08-03 18:24:40 -0700 |
|---|---|---|
| committer | Tien Fong Chee <tien.fong.chee@intel.com> | 2025-08-08 22:20:48 +0800 |
| commit | 209d53eb1b486776dd1a7ad7f8611083fff7ad26 (patch) | |
| tree | 10701f18cb38637aea298c4ccd4bc4df758ad28b /arch/arm/mach-socfpga/include/mach/system_manager_soc64.h | |
| parent | 2c0faf07218674fd0fe2abdd6264fcae28080e60 (diff) | |
arm: socfpga: Define the usage of boot scratch cold reg 8
The boot scratch cold reg 8 is shared between DBE, DDR init progress
update and Linux EDAC. This patch defines how the bits are used by
respective features above and their macro names used in U-Boot.
Signed-off-by: Tien Fong Chee <tien.fong.chee@altera.com>
Signed-off-by: Alif Zakuan Yuslaimi <alif.zakuan.yuslaimi@altera.com>
Reviewed-by: Tien Fong Chee <tien.fong.chee@altera.com>
Diffstat (limited to 'arch/arm/mach-socfpga/include/mach/system_manager_soc64.h')
| -rw-r--r-- | arch/arm/mach-socfpga/include/mach/system_manager_soc64.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/mach-socfpga/include/mach/system_manager_soc64.h b/arch/arm/mach-socfpga/include/mach/system_manager_soc64.h index c2ca0a50e35..8e12aeec011 100644 --- a/arch/arm/mach-socfpga/include/mach/system_manager_soc64.h +++ b/arch/arm/mach-socfpga/include/mach/system_manager_soc64.h @@ -141,6 +141,19 @@ void populate_sysmgr_pinmux(void); #define ALT_SYSMGR_SCRATCH_REG_0_DDR_RESET_TYPE_MASK (BIT(29) | BIT(28)) #define ALT_SYSMGR_SCRATCH_REG_0_DDR_RESET_TYPE_SHIFT 28 +/* + * Bits for SYSMGR_SOC64_BOOT_SCRATCH_COLD8 + * Bit[31] reserved for FSBL to check DBE is triggered (set by SDM to "1") ? + * + * Bit[30] reserved for FSBL to update the DDR init progress + * 1 - means in progress, 0 - haven't started / DDR is up running. + * + * Bit[17:1] - Setting by Linux EDAC. + * Bit[1](ECC_OCRAM), Bit[16](ECC_DDR0), Bit[17](ECC_DDR1) + */ +#define ALT_SYSMGR_SCRATCH_REG_8_DDR_DBE_MASK BIT(31) +#define ALT_SYSMGR_SCRATCH_REG_8_DDR_PROGRESS_MASK BIT(30) + #define SYSMGR_SDMMC SYSMGR_SOC64_SDMMC #define SYSMGR_ROMCODEGRP_CTRL_WARMRSTCFGPINMUX BIT(0) |