diff options
| author | Ashok Reddy Soma <ashok.reddy.soma@amd.com> | 2023-05-16 08:47:53 -0600 |
|---|---|---|
| committer | Michal Simek <michal.simek@amd.com> | 2023-06-12 13:24:31 +0200 |
| commit | ded539ff6633f3ba493e18bf23ce489bfc03f28d (patch) | |
| tree | 6bdd9dc90a89fc7074e9a20c618889dfdb762ec0 /arch/arm/mach-versal-net/include/mach/hardware.h | |
| parent | addd47379df54a3eb247c6db4f799f14af43e523 (diff) | |
arm64: versal-net: Detect and display bootmode
Read boodmode register using versal_net_get_bootmode() in board_late_init
and prepare corresponding distro boot command sequence based on it.
versal_net_get_bootmode() will be changed to use smc calls later, but
for now directly reads the register.
Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@amd.com>
Link: https://lore.kernel.org/r/20230516144753.30869-1-ashok.reddy.soma@amd.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
Diffstat (limited to 'arch/arm/mach-versal-net/include/mach/hardware.h')
| -rw-r--r-- | arch/arm/mach-versal-net/include/mach/hardware.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm/mach-versal-net/include/mach/hardware.h b/arch/arm/mach-versal-net/include/mach/hardware.h index c5e4e22040..89b84a2efc 100644 --- a/arch/arm/mach-versal-net/include/mach/hardware.h +++ b/arch/arm/mach-versal-net/include/mach/hardware.h @@ -27,7 +27,13 @@ struct iou_scntrs_regs { u32 base_frequency_id_register; /* 0x20 */ }; +struct crp_regs { + u32 reserved0[128]; + u32 boot_mode_usr; /* 0x200 */ +}; + #define VERSAL_NET_CRL_APB_BASEADDR 0xEB5E0000 +#define VERSAL_NET_CRP_BASEADDR 0xF1260000 #define VERSAL_NET_IOU_SCNTR_SECURE 0xEC920000 #define CRL_APB_TIMESTAMP_REF_CTRL_CLKACT_BIT BIT(25) @@ -36,6 +42,7 @@ struct iou_scntrs_regs { #define IOU_SCNTRS_CONTROL_EN 1 #define crlapb_base ((struct crlapb_regs *)VERSAL_NET_CRL_APB_BASEADDR) +#define crp_base ((struct crp_regs *)VERSAL_NET_CRP_BASEADDR) #define iou_scntr_secure ((struct iou_scntrs_regs *)VERSAL_NET_IOU_SCNTR_SECURE) #define PMC_TAP 0xF11A0000 @@ -49,6 +56,20 @@ struct iou_scntrs_regs { # define PLATFORM_VERSION_MASK GENMASK(31, 28) #define PMC_TAP_USERCODE (PMC_TAP + 0x8) +/* Bootmode setting values */ +#define BOOT_MODES_MASK 0x0000000F +#define QSPI_MODE_24BIT 0x00000001 +#define QSPI_MODE_32BIT 0x00000002 +#define SD_MODE 0x00000003 /* sd 0 */ +#define SD_MODE1 0x00000005 /* sd 1 */ +#define EMMC_MODE 0x00000006 +#define USB_MODE 0x00000007 +#define OSPI_MODE 0x00000008 +#define SD1_LSHFT_MODE 0x0000000E /* SD1 Level shifter */ +#define JTAG_MODE 0x00000000 +#define BOOT_MODE_USE_ALT 0x100 +#define BOOT_MODE_ALT_SHIFT 12 + enum versal_net_platform { VERSAL_NET_SILICON = 0, VERSAL_NET_SPP = 1, |