diff options
Diffstat (limited to 'arch/arm/cpu/armv8/fsl-layerscape/cpu.c')
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/cpu.c | 49 |
1 files changed, 19 insertions, 30 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c index cf469804c51..a71ee636afe 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c @@ -17,6 +17,7 @@ #include <asm/global_data.h> #include <asm/io.h> #include <asm/ptrace.h> +#include <linux/arm-smccc.h> #include <linux/errno.h> #include <asm/system.h> #include <fm_eth.h> @@ -768,7 +769,7 @@ enum boot_src __get_boot_src(u32 porsr1) enum boot_src get_boot_src(void) { - struct pt_regs regs; + struct arm_smccc_res res; u32 porsr1 = 0; #if defined(CONFIG_FSL_LSCH3) @@ -778,11 +779,9 @@ enum boot_src get_boot_src(void) #endif if (current_el() == 2) { - regs.regs[0] = SIP_SVC_RCW; - - smc_call(®s); - if (!regs.regs[0]) - porsr1 = regs.regs[1]; + arm_smccc_smc(SIP_SVC_RCW, 0, 0, 0, 0, 0, 0, 0, &res); + if (!res.a0) + porsr1 = res.a1; } if (current_el() == 3 || !porsr1) { @@ -1081,9 +1080,9 @@ static void config_core_prefetch(void) char *buf = NULL; char buffer[HWCONFIG_BUFFER_SIZE]; const char *prefetch_arg = NULL; + struct arm_smccc_res res; size_t arglen; unsigned int mask; - struct pt_regs regs; if (env_get_f("hwconfig", buffer, sizeof(buffer)) > 0) buf = buffer; @@ -1101,11 +1100,10 @@ static void config_core_prefetch(void) } #define SIP_PREFETCH_DISABLE_64 0xC200FF13 - regs.regs[0] = SIP_PREFETCH_DISABLE_64; - regs.regs[1] = mask; - smc_call(®s); + arm_smccc_smc(SIP_PREFETCH_DISABLE_64, mask, 0, 0, 0, 0, 0, 0, + &res); - if (regs.regs[0]) + if (res.a0) printf("Prefetch disable config failed for mask "); else printf("Prefetch disable config passed for mask "); @@ -1345,25 +1343,20 @@ phys_size_t get_effective_memsize(void) #ifdef CONFIG_TFABOOT phys_size_t tfa_get_dram_size(void) { - struct pt_regs regs; - phys_size_t dram_size = 0; - - regs.regs[0] = SMC_DRAM_BANK_INFO; - regs.regs[1] = -1; + struct arm_smccc_res res; - smc_call(®s); - if (regs.regs[0]) + arm_smccc_smc(SMC_DRAM_BANK_INFO, -1, 0, 0, 0, 0, 0, 0, &res); + if (res.a0) return 0; - dram_size = regs.regs[1]; - return dram_size; + return res.a1; } static int tfa_dram_init_banksize(void) { int i = 0, ret = 0; - struct pt_regs regs; phys_size_t dram_size = tfa_get_dram_size(); + struct arm_smccc_res res; debug("dram_size %llx\n", dram_size); @@ -1371,19 +1364,15 @@ static int tfa_dram_init_banksize(void) return -EINVAL; do { - regs.regs[0] = SMC_DRAM_BANK_INFO; - regs.regs[1] = i; - - smc_call(®s); - if (regs.regs[0]) { + arm_smccc_smc(SMC_DRAM_BANK_INFO, i, 0, 0, 0, 0, 0, 0, &res); + if (res.a0) { ret = -EINVAL; break; } - debug("bank[%d]: start %lx, size %lx\n", i, regs.regs[1], - regs.regs[2]); - gd->bd->bi_dram[i].start = regs.regs[1]; - gd->bd->bi_dram[i].size = regs.regs[2]; + debug("bank[%d]: start %lx, size %lx\n", i, res.a1, res.a2); + gd->bd->bi_dram[i].start = res.a1; + gd->bd->bi_dram[i].size = res.a2; dram_size -= gd->bd->bi_dram[i].size; |