Message ID | 20200810025556.30975-1-elly.siew.chin.lim@intel.com |
---|---|
State | Accepted |
Commit | e2afbee50c5042fdbca78e2a6f86d9442af68783 |
Delegated to: | Simon Goldschmidt |
Headers | show |
Series | [v2] arm: socfpga: soc64: Document down boot_scratch_cold register usage | expand |
> -----Original Message----- > From: Lim, Elly Siew Chin <elly.siew.chin.lim@intel.com> > Sent: Monday, August 10, 2020 10:56 AM > To: u-boot@lists.denx.de > Cc: Marek Vasut <marex@denx.de>; Tan, Ley Foon > <ley.foon.tan@intel.com>; See, Chin Liang <chin.liang.see@intel.com>; > Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>; Ang, Chee Hong > <chee.hong.ang@intel.com>; Chee, Tien Fong <tien.fong.chee@intel.com>; > Lim, Elly Siew Chin <elly.siew.chin.lim@intel.com> > Subject: [PATCH v2] arm: socfpga: soc64: Document down > boot_scratch_cold register usage > > From: Chin Liang See <chin.liang.see@intel.com> > > Document down the usage of boot_scratch_cold register to avoid > overlapping of usage in the code for S10 & Agilex. > The boot_scratch_cold register is generally used for passing critical system > info between SPL, U-Boot and Linux. > > Signed-off-by: Chin Liang See <chin.liang.see@intel.com> > Signed-off-by: Siew Chin Lim <elly.siew.chin.lim@intel.com> > > --- > v2: Mark boot_scratch_cold3 as reserved for customer use. > --- > arch/arm/mach-socfpga/include/mach/system_manager_soc64.h | 8 > ++++++++ > 1 file changed, 8 insertions(+) Reviewed-by: Ley Foon Tan <ley.foon.tan@intel.com> Regards Ley Foon
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 c90f63a754..e5bb81a7a2 100644 --- a/arch/arm/mach-socfpga/include/mach/system_manager_soc64.h +++ b/arch/arm/mach-socfpga/include/mach/system_manager_soc64.h @@ -46,13 +46,21 @@ void sysmgr_pinmux_table_delay(const u32 **table, unsigned int *table_len); #define SYSMGR_SOC64_GPO 0xe4 #define SYSMGR_SOC64_GPI 0xe8 #define SYSMGR_SOC64_MPU 0xf0 +/* store qspi ref clock */ #define SYSMGR_SOC64_BOOT_SCRATCH_COLD0 0x200 +/* store osc1 clock freq */ #define SYSMGR_SOC64_BOOT_SCRATCH_COLD1 0x204 +/* store fpga clock freq */ #define SYSMGR_SOC64_BOOT_SCRATCH_COLD2 0x208 +/* reserved for customer use */ #define SYSMGR_SOC64_BOOT_SCRATCH_COLD3 0x20c +/* store PSCI_CPU_ON value */ #define SYSMGR_SOC64_BOOT_SCRATCH_COLD4 0x210 +/* store PSCI_CPU_ON value */ #define SYSMGR_SOC64_BOOT_SCRATCH_COLD5 0x214 +/* store VBAR_EL3 value */ #define SYSMGR_SOC64_BOOT_SCRATCH_COLD6 0x218 +/* store VBAR_EL3 value */ #define SYSMGR_SOC64_BOOT_SCRATCH_COLD7 0x21c #define SYSMGR_SOC64_BOOT_SCRATCH_COLD8 0x220 #define SYSMGR_SOC64_BOOT_SCRATCH_COLD9 0x224