diff options
Diffstat (limited to 'hw/arm/exynos4210.c')
| -rw-r--r-- | hw/arm/exynos4210.c | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/hw/arm/exynos4210.c b/hw/arm/exynos4210.c index c8101d3e84..502b1069c0 100644 --- a/hw/arm/exynos4210.c +++ b/hw/arm/exynos4210.c @@ -79,6 +79,28 @@ static uint8_t chipid_and_omr[] = { 0x11, 0x02, 0x21, 0x43, 0x09, 0x00, 0x00, 0x00 }; +static uint64_t exynos4210_chipid_and_omr_read(void *opaque, hwaddr offset, + unsigned size) +{ + assert(offset < sizeof(chipid_and_omr)); + return chipid_and_omr[offset]; +} + +static void exynos4210_chipid_and_omr_write(void *opaque, hwaddr offset, + uint64_t value, unsigned size) +{ + return; +} + +static const MemoryRegionOps exynos4210_chipid_and_omr_ops = { + .read = exynos4210_chipid_and_omr_read, + .write = exynos4210_chipid_and_omr_write, + .endianness = DEVICE_NATIVE_ENDIAN, + .impl = { + .max_access_size = 1, + } +}; + void exynos4210_write_secondary(ARMCPU *cpu, const struct arm_boot_info *info) { @@ -219,9 +241,8 @@ Exynos4210State *exynos4210_init(MemoryRegion *system_mem, /*** Memory ***/ /* Chip-ID and OMR */ - memory_region_init_ram_ptr(&s->chipid_mem, "exynos4210.chipid", - sizeof(chipid_and_omr), chipid_and_omr); - memory_region_set_readonly(&s->chipid_mem, true); + memory_region_init_io(&s->chipid_mem, &exynos4210_chipid_and_omr_ops, + NULL, "exynos4210.chipid", sizeof(chipid_and_omr)); memory_region_add_subregion(system_mem, EXYNOS4210_CHIPID_ADDR, &s->chipid_mem); |