diff options
Diffstat (limited to 'arch/arm/mach-k3/common.c')
| -rw-r--r-- | arch/arm/mach-k3/common.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/mach-k3/common.c b/arch/arm/mach-k3/common.c index 4335f2877b8..8c903f14ff8 100644 --- a/arch/arm/mach-k3/common.c +++ b/arch/arm/mach-k3/common.c @@ -62,6 +62,24 @@ void k3_sysfw_print_ver(void) ti_sci->version.firmware_revision, fw_desc); } +void mmr_unlock(phys_addr_t base, u32 partition) +{ + /* Translate the base address */ + phys_addr_t part_base = base + partition * CTRL_MMR0_PARTITION_SIZE; + + /* Unlock the requested partition if locked using two-step sequence */ + writel(CTRLMMR_LOCK_KICK0_UNLOCK_VAL, part_base + CTRLMMR_LOCK_KICK0); + writel(CTRLMMR_LOCK_KICK1_UNLOCK_VAL, part_base + CTRLMMR_LOCK_KICK1); +} + +bool is_rom_loaded_sysfw(struct rom_extended_boot_data *data) +{ + if (strncmp(data->header, K3_ROM_BOOT_HEADER_MAGIC, 7)) + return false; + + return data->num_components > 1; +} + DECLARE_GLOBAL_DATA_PTR; #ifdef CONFIG_K3_EARLY_CONS @@ -335,6 +353,26 @@ int print_cpuinfo(void) } #endif +bool soc_is_j721e(void) +{ + u32 soc; + + soc = (readl(CTRLMMR_WKUP_JTAG_ID) & + JTAG_ID_PARTNO_MASK) >> JTAG_ID_PARTNO_SHIFT; + + return soc == J721E; +} + +bool soc_is_j7200(void) +{ + u32 soc; + + soc = (readl(CTRLMMR_WKUP_JTAG_ID) & + JTAG_ID_PARTNO_MASK) >> JTAG_ID_PARTNO_SHIFT; + + return soc == J7200; +} + #ifdef CONFIG_ARM64 void board_prep_linux(bootm_headers_t *images) { |