2 * Keystone : Board initialization
5 * Texas Instruments Incorporated, <www.ti.com>
7 * SPDX-License-Identifier: GPL-2.0+
13 #include <fdt_support.h>
14 #include <asm/arch/ddr3.h>
15 #include <asm/arch/emac_defs.h>
16 #include <asm/ti-common/ti-aemif.h>
18 DECLARE_GLOBAL_DATA_PTR;
20 static struct aemif_config aemif_configs[] = {
22 .mode = AEMIF_MODE_NAND,
30 .width = AEMIF_WIDTH_8,
38 gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
39 CONFIG_MAX_RAM_BANK_SIZE);
40 aemif_init(ARRAY_SIZE(aemif_configs), aemif_configs);
46 gd->bd->bi_boot_params = CONFIG_LINUX_BOOT_PARAM_ADDR;
51 #ifdef CONFIG_DRIVER_TI_KEYSTONE_NET
52 int get_eth_env_param(char *env_name)
57 env = getenv(env_name);
59 res = simple_strtol(env, NULL, 0);
64 int board_eth_init(bd_t *bis)
69 char link_type_name[32];
71 port_num = get_num_eth_ports();
73 for (j = 0; j < port_num; j++) {
74 sprintf(link_type_name, "sgmii%d_link_type", j);
75 res = get_eth_env_param(link_type_name);
77 eth_priv_cfg[j].sgmii_link_type = res;
79 keystone2_emac_initialize(ð_priv_cfg[j]);
86 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
87 void ft_board_setup(void *blob, bd_t *bd)
100 env = getenv("mem_lpae");
101 lpae = env && simple_strtol(env, NULL, 0);
102 env = getenv("uinitrd_fixup");
103 unitrd_fixup = env && simple_strtol(env, NULL, 0);
107 env = getenv("ddr3a_size");
109 ddr3a_size = simple_strtol(env, NULL, 10);
110 if ((ddr3a_size != 8) && (ddr3a_size != 4))
115 start[0] = bd->bi_dram[0].start;
116 size[0] = bd->bi_dram[0].size;
118 /* adjust memory start address for LPAE */
120 start[0] -= CONFIG_SYS_SDRAM_BASE;
121 start[0] += CONFIG_SYS_LPAE_SDRAM_BASE;
124 if ((size[0] == 0x80000000) && (ddr3a_size != 0)) {
125 size[1] = ((u64)ddr3a_size - 2) << 30;
126 start[1] = 0x880000000;
130 /* reserve memory at start of bank */
131 sprintf(name, "mem_reserve_head");
134 start[0] += ustrtoul(env, &endp, 0);
135 size[0] -= ustrtoul(env, &endp, 0);
138 sprintf(name, "mem_reserve");
141 size[0] -= ustrtoul(env, &endp, 0);
143 fdt_fixup_memory_banks(blob, start, size, nbanks);
145 /* Fix up the initrd */
146 if (lpae && unitrd_fixup) {
149 u64 initrd_start, initrd_end;
151 nodeoffset = fdt_path_offset(blob, "/chosen");
152 if (nodeoffset >= 0) {
153 prop1 = (u32 *)fdt_getprop(blob, nodeoffset,
154 "linux,initrd-start", NULL);
155 prop2 = (u32 *)fdt_getprop(blob, nodeoffset,
156 "linux,initrd-end", NULL);
157 if (prop1 && prop2) {
158 initrd_start = __be32_to_cpu(*prop1);
159 initrd_start -= CONFIG_SYS_SDRAM_BASE;
160 initrd_start += CONFIG_SYS_LPAE_SDRAM_BASE;
161 initrd_start = __cpu_to_be64(initrd_start);
162 initrd_end = __be32_to_cpu(*prop2);
163 initrd_end -= CONFIG_SYS_SDRAM_BASE;
164 initrd_end += CONFIG_SYS_LPAE_SDRAM_BASE;
165 initrd_end = __cpu_to_be64(initrd_end);
167 err = fdt_delprop(blob, nodeoffset,
168 "linux,initrd-start");
170 puts("error deleting initrd-start\n");
172 err = fdt_delprop(blob, nodeoffset,
175 puts("error deleting initrd-end\n");
177 err = fdt_setprop(blob, nodeoffset,
178 "linux,initrd-start",
180 sizeof(initrd_start));
182 puts("error adding initrd-start\n");
184 err = fdt_setprop(blob, nodeoffset,
189 puts("error adding linux,initrd-end\n");
195 void ft_board_setup_ex(void *blob, bd_t *bd)
202 env = getenv("mem_lpae");
203 lpae = env && simple_strtol(env, NULL, 0);
207 * the initrd and other reserved memory areas are
208 * embedded in in the DTB itslef. fix up these addresses
211 reserve_start = (u64 *)((char *)blob +
212 fdt_off_mem_rsvmap(blob));
214 *reserve_start = __cpu_to_be64(*reserve_start);
215 size = __cpu_to_be64(*(reserve_start + 1));
217 *reserve_start -= CONFIG_SYS_SDRAM_BASE;
219 CONFIG_SYS_LPAE_SDRAM_BASE;
221 __cpu_to_be64(*reserve_start);