diff options
Diffstat (limited to 'arch/arm/mach-imx/imx8m/soc.c')
| -rw-r--r-- | arch/arm/mach-imx/imx8m/soc.c | 55 |
1 files changed, 46 insertions, 9 deletions
diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c index 8050406613d..df865e997d3 100644 --- a/arch/arm/mach-imx/imx8m/soc.c +++ b/arch/arm/mach-imx/imx8m/soc.c @@ -100,6 +100,12 @@ void set_wdog_reset(struct wdog_regs *wdog) setbits_le16(&wdog->wcr, WDOG_WDT_MASK | WDOG_WDZST_MASK); } +#ifdef CONFIG_ARMV8_PSCI +#define PTE_MAP_NS PTE_BLOCK_NS +#else +#define PTE_MAP_NS 0 +#endif + static struct mm_region imx8m_mem_map[] = { { /* ROM */ @@ -122,7 +128,7 @@ static struct mm_region imx8m_mem_map[] = { .phys = 0x180000UL, .size = 0x8000UL, .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | - PTE_BLOCK_OUTER_SHARE + PTE_BLOCK_OUTER_SHARE | PTE_MAP_NS }, { /* TCM */ .virt = 0x7C0000UL, @@ -130,14 +136,14 @@ static struct mm_region imx8m_mem_map[] = { .size = 0x80000UL, .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | PTE_BLOCK_NON_SHARE | - PTE_BLOCK_PXN | PTE_BLOCK_UXN + PTE_BLOCK_PXN | PTE_BLOCK_UXN | PTE_MAP_NS }, { /* OCRAM */ .virt = 0x900000UL, .phys = 0x900000UL, .size = 0x200000UL, .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | - PTE_BLOCK_OUTER_SHARE + PTE_BLOCK_OUTER_SHARE | PTE_MAP_NS }, { /* AIPS */ .virt = 0xB00000UL, @@ -152,7 +158,7 @@ static struct mm_region imx8m_mem_map[] = { .phys = 0x40000000UL, .size = PHYS_SDRAM_SIZE, .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | - PTE_BLOCK_OUTER_SHARE + PTE_BLOCK_OUTER_SHARE | PTE_MAP_NS #ifdef PHYS_SDRAM_2_SIZE }, { /* DRAM2 */ @@ -160,7 +166,7 @@ static struct mm_region imx8m_mem_map[] = { .phys = 0x100000000UL, .size = PHYS_SDRAM_2_SIZE, .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | - PTE_BLOCK_OUTER_SHARE + PTE_BLOCK_OUTER_SHARE | PTE_MAP_NS #endif }, { /* empty entrie to split table entry 5 if needed when TEEs are used */ @@ -238,7 +244,7 @@ int dram_init(void) return ret; /* rom_pointer[1] contains the size of TEE occupies */ - if (rom_pointer[1]) + if (!IS_ENABLED(CONFIG_ARMV8_PSCI) && rom_pointer[1]) gd->ram_size = sdram_size - rom_pointer[1]; else gd->ram_size = sdram_size; @@ -267,7 +273,7 @@ int dram_init_banksize(void) } gd->bd->bi_dram[bank].start = PHYS_SDRAM; - if (rom_pointer[1]) { + if (!IS_ENABLED(CONFIG_ARMV8_PSCI) && rom_pointer[1]) { phys_addr_t optee_start = (phys_addr_t)rom_pointer[0]; phys_size_t optee_size = (size_t)rom_pointer[1]; @@ -312,7 +318,7 @@ phys_size_t get_effective_memsize(void) sdram_b1_size = sdram_size; } - if (rom_pointer[1]) { + if (!IS_ENABLED(CONFIG_ARMV8_PSCI) && rom_pointer[1]) { /* We will relocate u-boot to Top of dram1. Tee position has two cases: * 1. At the top of dram1, Then return the size removed optee size. * 2. In the middle of dram1, return the size of dram1. @@ -344,7 +350,8 @@ phys_size_t board_get_usable_ram_top(phys_size_t total_size) * rom_pointer[1] stores the size TEE uses. * We need to reserve the memory region for TEE. */ - if (rom_pointer[0] && rom_pointer[1] && top_addr > rom_pointer[0]) + if (!IS_ENABLED(CONFIG_ARMV8_PSCI) && rom_pointer[0] && + rom_pointer[1] && top_addr > rom_pointer[0]) top_addr = rom_pointer[0]; return top_addr; @@ -554,6 +561,29 @@ static void imx8m_setup_snvs(void) writel(0xffffffff, SNVS_BASE_ADDR + SNVS_LPSR); } +static void imx8m_setup_csu_tzasc(void) +{ + const uintptr_t tzasc_base[4] = { + 0x301f0000, 0x301f0000, 0x301f0000, 0x301f0000 + }; + int i, j; + + if (!IS_ENABLED(CONFIG_ARMV8_PSCI)) + return; + + /* CSU */ + for (i = 0; i < 64; i++) + writel(0x00ff00ff, (void *)CSU_BASE_ADDR + (4 * i)); + + /* TZASC */ + for (j = 0; j < 4; j++) { + writel(0x77777777, (void *)(tzasc_base[j])); + writel(0x77777777, (void *)(tzasc_base[j]) + 0x4); + for (i = 0; i <= 0x10; i += 4) + writel(0, (void *)(tzasc_base[j]) + 0x40 + i); + } +} + int arch_cpu_init(void) { struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR; @@ -606,6 +636,8 @@ int arch_cpu_init(void) imx8m_setup_snvs(); + imx8m_setup_csu_tzasc(); + return 0; } @@ -1610,4 +1642,9 @@ const struct rproc_att hostmap[] = { { 0x40000000, 0x40000000, 0x80000000 }, { /* sentinel */ } }; + +const struct rproc_att *imx_bootaux_get_hostmap(void) +{ + return hostmap; +} #endif |