1 /* SPDX-License-Identifier: GPL-2.0-only */
2
3 #include <console/console.h>
4 #include <device/device.h>
5 #include <symbols.h>
6 #include <soc/ipq_uart.h>
7
8 /* CONFIG_DRAM_SIZE_MB effectively extends hlos2. */
9 typedef struct {
10 uint8_t hlos1[112 * MiB], /* <-- 0x80000000 */
11 appsbl[4 * MiB], /* <-- 0x87000000 */
12 sbl[1 * MiB], /* <-- 0x87400000 */
13 rsvd[11 * MiB], /* <-- 0x87500000 */
14 hlos2[128 * MiB]; /* <-- 0x88000000 */
15 } ipq_mem_map_t;
16
soc_read_resources(struct device * dev)17 static void soc_read_resources(struct device *dev)
18 {
19 ipq_mem_map_t *ipq_mem_map = ((ipq_mem_map_t *)_dram);
20 uint64_t ram_end = (uintptr_t)_dram + CONFIG_DRAM_SIZE_MB * (uint64_t)MiB;
21
22 ram_from_to(dev, 0, (uintptr_t)ipq_mem_map->hlos1, (uintptr_t)ipq_mem_map->rsvd);
23 reserved_ram_from_to(dev, 1, (uintptr_t)ipq_mem_map->rsvd,
24 (uintptr_t)ipq_mem_map->hlos2);
25
26 /* 0x88000000 to end, is the second region for Linux */
27 ram_from_to(dev, 2, (uintptr_t)ipq_mem_map->hlos2, ram_end);
28 }
29
soc_init(struct device * dev)30 static void soc_init(struct device *dev)
31 {
32 /*
33 * Do this in case console is not enabled: kernel's earlyprintk()
34 * should work no matter what the firmware console configuration is.
35 */
36 ipq40xx_uart_init();
37
38 printk(BIOS_INFO, "CPU: QCA 40xx\n");
39 }
40
41 static struct device_operations soc_ops = {
42 .read_resources = soc_read_resources,
43 .init = soc_init,
44 };
45
enable_soc_dev(struct device * dev)46 static void enable_soc_dev(struct device *dev)
47 {
48 dev->ops = &soc_ops;
49 }
50
51 struct chip_operations soc_qualcomm_ipq40xx_ops = {
52 .name = "SOC QCA 40xx",
53 .enable_dev = enable_soc_dev,
54 };
55