| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <console/console.h> |
| #include <device/device.h> |
| #include <symbols.h> |
| #include <soc/ipq_uart.h> |
| |
| /* CONFIG_DRAM_SIZE_MB effectively extends hlos2. */ |
| typedef struct { |
| uint8_t hlos1[112 * MiB], /* <-- 0x80000000 */ |
| appsbl[4 * MiB], /* <-- 0x87000000 */ |
| sbl[1 * MiB], /* <-- 0x87400000 */ |
| rsvd[11 * MiB], /* <-- 0x87500000 */ |
| hlos2[128 * MiB]; /* <-- 0x88000000 */ |
| } ipq_mem_map_t; |
| |
| static void soc_read_resources(struct device *dev) |
| { |
| ipq_mem_map_t *ipq_mem_map = ((ipq_mem_map_t *)_dram); |
| uint64_t ram_end = (uintptr_t)_dram + CONFIG_DRAM_SIZE_MB * (uint64_t)MiB; |
| |
| ram_from_to(dev, 0, (uintptr_t)ipq_mem_map->hlos1, (uintptr_t)ipq_mem_map->rsvd); |
| reserved_ram_from_to(dev, 1, (uintptr_t)ipq_mem_map->rsvd, |
| (uintptr_t)ipq_mem_map->hlos2); |
| |
| /* 0x88000000 to end, is the second region for Linux */ |
| ram_from_to(dev, 2, (uintptr_t)ipq_mem_map->hlos2, ram_end); |
| } |
| |
| static void soc_init(struct device *dev) |
| { |
| /* |
| * Do this in case console is not enabled: kernel's earlyprintk() |
| * should work no matter what the firmware console configuration is. |
| */ |
| ipq40xx_uart_init(); |
| |
| printk(BIOS_INFO, "CPU: QCA 40xx\n"); |
| } |
| |
| static struct device_operations soc_ops = { |
| .read_resources = soc_read_resources, |
| .init = soc_init, |
| }; |
| |
| static void enable_soc_dev(struct device *dev) |
| { |
| dev->ops = &soc_ops; |
| } |
| |
| struct chip_operations soc_qualcomm_ipq40xx_ops = { |
| CHIP_NAME("SOC QCA 40xx") |
| .enable_dev = enable_soc_dev, |
| }; |