diff options
Diffstat (limited to 'drivers/renesas/common/pwrc/pwrc.c')
| -rw-r--r-- | drivers/renesas/common/pwrc/pwrc.c | 32 |
1 files changed, 27 insertions, 5 deletions
diff --git a/drivers/renesas/common/pwrc/pwrc.c b/drivers/renesas/common/pwrc/pwrc.c index 3f60fe633..4e175eb97 100644 --- a/drivers/renesas/common/pwrc/pwrc.c +++ b/drivers/renesas/common/pwrc/pwrc.c @@ -44,6 +44,7 @@ RCAR_INSTANTIATE_LOCK #define CPU_PWR_OFF (0x00000003U) #define RCAR_PSTR_MASK (0x00000003U) #define ST_ALL_STANDBY (0x00003333U) +#define SYSCEXTMASK_EXTMSK0 (0x00000001U) /* Suspend to ram */ #define DBSC4_REG_BASE (0xE6790000U) #define DBSC4_REG_DBSYSCNT0 (DBSC4_REG_BASE + 0x0100U) @@ -191,6 +192,8 @@ static void scu_power_up(uint64_t mpidr) { uintptr_t reg_pwrsr, reg_cpumcr, reg_pwron, reg_pwrer; uint32_t c, sysc_reg_bit; + uint32_t lsi_product; + uint32_t lsi_cut; c = rcar_pwrc_get_mpidr_cluster(mpidr); reg_cpumcr = IS_CA57(c) ? RCAR_CA57CPUCMCR : RCAR_CA53CPUCMCR; @@ -205,6 +208,17 @@ static void scu_power_up(uint64_t mpidr) if (mmio_read_32(reg_cpumcr) != 0) mmio_write_32(reg_cpumcr, 0); + lsi_product = mmio_read_32((uintptr_t)RCAR_PRR); + lsi_cut = lsi_product & PRR_CUT_MASK; + lsi_product &= PRR_PRODUCT_MASK; + + if ((lsi_product == PRR_PRODUCT_M3 && lsi_cut >= PRR_PRODUCT_30) || + lsi_product == PRR_PRODUCT_H3 || + lsi_product == PRR_PRODUCT_M3N || + lsi_product == PRR_PRODUCT_E3) { + mmio_setbits_32(RCAR_SYSCEXTMASK, SYSCEXTMASK_EXTMSK0); + } + mmio_setbits_32(RCAR_SYSCIER, sysc_reg_bit); mmio_setbits_32(RCAR_SYSCIMR, sysc_reg_bit); @@ -216,7 +230,15 @@ static void scu_power_up(uint64_t mpidr) while ((mmio_read_32(RCAR_SYSCISR) & sysc_reg_bit) == 0) ; - mmio_write_32(RCAR_SYSCISR, sysc_reg_bit); + mmio_write_32(RCAR_SYSCISCR, sysc_reg_bit); + + if ((lsi_product == PRR_PRODUCT_M3 && lsi_cut >= PRR_PRODUCT_30) || + lsi_product == PRR_PRODUCT_H3 || + lsi_product == PRR_PRODUCT_M3N || + lsi_product == PRR_PRODUCT_E3) { + mmio_clrbits_32(RCAR_SYSCEXTMASK, SYSCEXTMASK_EXTMSK0); + } + while ((mmio_read_32(reg_pwrsr) & STATUS_PWRUP) == 0) ; } @@ -754,14 +776,14 @@ void rcar_pwrc_code_copy_to_system_ram(void) memcpy((void *)sram.base, code.base, code.len); flush_dcache_range((uint64_t) sram.base, code.len); + attr = MT_MEMORY | MT_RO | MT_SECURE | MT_EXECUTE; + ret = xlat_change_mem_attributes(sram.base, sram.len, attr); + assert(ret == 0); + /* Invalidate instruction cache */ plat_invalidate_icache(); dsb(); isb(); - - attr = MT_MEMORY | MT_RO | MT_SECURE | MT_EXECUTE; - ret = xlat_change_mem_attributes(sram.base, sram.len, attr); - assert(ret == 0); } uint32_t rcar_pwrc_get_cluster(void) |