diff options
Diffstat (limited to 'board/renesas/rcar-common/common.c')
| -rw-r--r-- | board/renesas/rcar-common/common.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/board/renesas/rcar-common/common.c b/board/renesas/rcar-common/common.c index f976c99028a..ed3f093bf3c 100644 --- a/board/renesas/rcar-common/common.c +++ b/board/renesas/rcar-common/common.c @@ -10,8 +10,10 @@ #include <common.h> #include <dm.h> #include <fdt_support.h> +#include <hang.h> #include <init.h> #include <asm/global_data.h> +#include <asm/io.h> #include <dm/uclass-internal.h> #include <asm/arch/rmobile.h> #include <linux/libfdt.h> @@ -52,6 +54,46 @@ int dram_init_banksize(void) return 0; } +int __weak board_init(void) +{ + return 0; +} + +#if defined(CONFIG_RCAR_GEN3) +#define RST_BASE 0xE6160000 +#define RST_CA57RESCNT (RST_BASE + 0x40) +#define RST_CA53RESCNT (RST_BASE + 0x44) +#define RST_RSTOUTCR (RST_BASE + 0x58) +#define RST_CA57_CODE 0xA5A5000F +#define RST_CA53_CODE 0x5A5A000F + +void __weak reset_cpu(void) +{ + unsigned long midr, cputype; + + asm volatile("mrs %0, midr_el1" : "=r" (midr)); + cputype = (midr >> 4) & 0xfff; + + if (cputype == 0xd03) + writel(RST_CA53_CODE, RST_CA53RESCNT); + else if (cputype == 0xd07) + writel(RST_CA57_CODE, RST_CA57RESCNT); + else + hang(); +} +#elif defined(CONFIG_RCAR_GEN4) +#define RST_BASE 0xE6160000 /* Domain0 */ +#define RST_SRESCR0 (RST_BASE + 0x18) +#define RST_SPRES 0x5AA58000 + +void __weak reset_cpu(void) +{ + writel(RST_SPRES, RST_SRESCR0); +} +#else +#error Neither CONFIG_RCAR_GEN3 nor CONFIG_RCAR_GEN4 are set +#endif + #if defined(CONFIG_OF_BOARD_SETUP) static int is_mem_overlap(void *blob, int first_mem_node, int curr_mem_node) { |