diff options
Diffstat (limited to 'src/cpu/samsung/exynos5250/cpu.c')
-rw-r--r-- | src/cpu/samsung/exynos5250/cpu.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/src/cpu/samsung/exynos5250/cpu.c b/src/cpu/samsung/exynos5250/cpu.c new file mode 100644 index 0000000000..0a49e1edc9 --- /dev/null +++ b/src/cpu/samsung/exynos5250/cpu.c @@ -0,0 +1,61 @@ +#include <console/console.h> +#include <device/device.h> + +#define RAM_BASE ((CONFIG_SYS_SDRAM_BASE >> 10) + (CONFIG_COREBOOT_ROMSIZE_KB)) +#define RAM_SIZE (((CONFIG_DRAM_SIZE_MB << 10UL) * CONFIG_NR_DRAM_BANKS) \ + - CONFIG_COREBOOT_ROMSIZE_KB) + +static void domain_read_resources(device_t dev) +{ + ram_resource(dev, 0, RAM_BASE, RAM_SIZE); +} + +static void domain_set_resources(device_t dev) +{ + assign_resources(dev->link_list); +} + +static unsigned int domain_scan_bus(device_t dev, unsigned int max) +{ + return max; +} + + +static struct device_operations domain_ops = { + .read_resources = domain_read_resources, + .set_resources = domain_set_resources, + .enable_resources = NULL, + .init = NULL, + .scan_bus = domain_scan_bus, +}; + +static void cpu_init(device_t dev) +{ +} + +static void cpu_noop(device_t dev) +{ +} + +static struct device_operations cpu_ops = { + .read_resources = cpu_noop, + .set_resources = cpu_noop, + .enable_resources = cpu_noop, + .init = cpu_init, + .scan_bus = 0, +}; + +static void enable_dev(device_t dev) +{ + /* Set the operations if it is a special bus type */ + if (dev->path.type == DEVICE_PATH_DOMAIN) { + dev->ops = &domain_ops; + } else if (dev->path.type == DEVICE_PATH_CPU_CLUSTER) { + dev->ops = &cpu_ops; + } +} + +struct chip_operations cpu_samsung_exynos5250_ops = { + CHIP_NAME("CPU Samsung Exynos 5250") + .enable_dev = enable_dev, +}; |