diff options
Diffstat (limited to 'arch/arm/cpu/armv8/fsl-layerscape/spl.c')
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/spl.c | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/spl.c b/arch/arm/cpu/armv8/fsl-layerscape/spl.c index eb730e84a4..2776240be3 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/spl.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/spl.c @@ -9,6 +9,9 @@ #include <asm/io.h> #include <fsl_ifc.h> #include <i2c.h> +#include <fsl_csu.h> +#include <asm/arch/fdt.h> +#include <asm/arch/ppa.h> DECLARE_GLOBAL_DATA_PTR; @@ -57,6 +60,12 @@ void spl_board_init(void) val = (in_le32(SMMU_NSCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK); out_le32(SMMU_NSCR0, val); #endif +#ifdef CONFIG_LAYERSCAPE_NS_ACCESS + enable_layerscape_ns_access(); +#endif +#ifdef CONFIG_SPL_FSL_LS_PPA + ppa_init(); +#endif } void board_init_f(ulong dummy) @@ -76,5 +85,35 @@ void board_init_f(ulong dummy) i2c_init_all(); #endif dram_init(); -} +#ifdef CONFIG_SPL_FSL_LS_PPA +#ifndef CONFIG_SYS_MEM_RESERVE_SECURE +#error Need secure RAM for PPA #endif + /* + * Secure memory location is determined in dram_init_banksize(). + * gd->ram_size is deducted by the size of secure ram. + */ + dram_init_banksize(); + + /* + * After dram_init_bank_size(), we know U-Boot only uses the first + * memory bank regardless how big the memory is. + */ + gd->ram_top = gd->bd->bi_dram[0].start + gd->bd->bi_dram[0].size; + + /* + * If PPA is loaded, U-Boot will resume running at EL2. + * Cache and MMU will be enabled. Need a place for TLB. + * U-Boot will be relocated to the end of available memory + * in first bank. At this point, we cannot know how much + * memory U-Boot uses. Put TLB table lower by SPL_TLB_SETBACK + * to avoid overlapping. As soon as the RAM version U-Boot sets + * up new MMU, this space is no longer needed. + */ + gd->ram_top -= SPL_TLB_SETBACK; + gd->arch.tlb_size = PGTABLE_SIZE; + gd->arch.tlb_addr = (gd->ram_top - gd->arch.tlb_size) & ~(0x10000 - 1); + gd->arch.tlb_allocated = gd->arch.tlb_addr; +#endif /* CONFIG_SPL_FSL_LS_PPA */ +} +#endif /* CONFIG_SPL_BUILD */ |