| #include <bootcount.h> |
| #include <flintstone_lpgpr.h> |
| |
| /* F1 also uses SNVS LPGPR for reset cause information */ |
| |
| void bootcount_store(ulong a) |
| { |
| void *reg = (void *)CONFIG_SYS_BOOTCOUNT_ADDR; |
| u32 snvs = readl(SNVS_BASE_ADDR + SNVS_LPGPR); |
| |
| snvs &= ~LPGPR_BOOTCOUNT_MASK; |
| snvs |= a & LPGPR_BOOTCOUNT_MASK; |
| |
| raw_bootcount_store(reg, (BOOTCOUNT_MAGIC & LPGPR_UBOOT_MAGIC_MASK) | (snvs & 0xffff)); |
| } |
| |
| ulong bootcount_load(void) |
| { |
| void *reg = (void *)CONFIG_SYS_BOOTCOUNT_ADDR; |
| |
| u32 tmp = raw_bootcount_load(reg); |
| |
| if ((tmp & LPGPR_UBOOT_MAGIC_MASK) != (BOOTCOUNT_MAGIC & LPGPR_UBOOT_MAGIC_MASK)) |
| return 0; |
| else |
| return (tmp & LPGPR_BOOTCOUNT_MASK); |
| } |
| |