/* SPDX-License-Identifier: GPL-2.0-only */ #include #include #include #include /* 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, };