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/*
* Keystone : Board initialization
*
* (C) Copyright 2014
* Texas Instruments Incorporated, <www.ti.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include "board.h"
#include <common.h>
#include <exports.h>
#include <fdt_support.h>
#include <asm/arch/ddr3.h>
#include <asm/arch/emac_defs.h>
#include <asm/ti-common/ti-aemif.h>
DECLARE_GLOBAL_DATA_PTR;
static struct aemif_config aemif_configs[] = {
{ /* CS0 */
.mode = AEMIF_MODE_NAND,
.wr_setup = 0xf,
.wr_strobe = 0x3f,
.wr_hold = 7,
.rd_setup = 0xf,
.rd_strobe = 0x3f,
.rd_hold = 7,
.turn_around = 3,
.width = AEMIF_WIDTH_8,
},
};
int dram_init(void)
{
ddr3_init();
gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
CONFIG_MAX_RAM_BANK_SIZE);
aemif_init(ARRAY_SIZE(aemif_configs), aemif_configs);
return 0;
}
int board_init(void)
{
gd->bd->bi_boot_params = CONFIG_LINUX_BOOT_PARAM_ADDR;
return 0;
}
#ifdef CONFIG_DRIVER_TI_KEYSTONE_NET
int get_eth_env_param(char *env_name)
{
char *env;
int res = -1;
env = getenv(env_name);
if (env)
res = simple_strtol(env, NULL, 0);
return res;
}
int board_eth_init(bd_t *bis)
{
int j;
int res;
int port_num;
char link_type_name[32];
port_num = get_num_eth_ports();
for (j = 0; j < port_num; j++) {
sprintf(link_type_name, "sgmii%d_link_type", j);
res = get_eth_env_param(link_type_name);
if (res >= 0)
eth_priv_cfg[j].sgmii_link_type = res;
keystone2_emac_initialize(ð_priv_cfg[j]);
}
return 0;
}
#endif
#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
void ft_board_setup(void *blob, bd_t *bd)
{
int lpae;
char *env;
char *endp;
int nbanks;
u64 size[2];
u64 start[2];
char name[32];
int nodeoffset;
u32 ddr3a_size;
int unitrd_fixup = 0;
env = getenv("mem_lpae");
lpae = env && simple_strtol(env, NULL, 0);
env = getenv("uinitrd_fixup");
unitrd_fixup = env && simple_strtol(env, NULL, 0);
ddr3a_size = 0;
if (lpae) {
env = getenv("ddr3a_size");
if (env)
ddr3a_size = simple_strtol(env, NULL, 10);
if ((ddr3a_size != 8) && (ddr3a_size != 4))
ddr3a_size = 0;
}
nbanks = 1;
start[0] = bd->bi_dram[0].start;
size[0] = bd->bi_dram[0].size;
/* adjust memory start address for LPAE */
if (lpae) {
start[0] -= CONFIG_SYS_SDRAM_BASE;
start[0] += CONFIG_SYS_LPAE_SDRAM_BASE;
}
if ((size[0] == 0x80000000) && (ddr3a_size != 0)) {
size[1] = ((u64)ddr3a_size - 2) << 30;
start[1] = 0x880000000;
nbanks++;
}
/* reserve memory at start of bank */
sprintf(name, "mem_reserve_head");
env = getenv(name);
if (env) {
start[0] += ustrtoul(env, &endp, 0);
size[0] -= ustrtoul(env, &endp, 0);
}
sprintf(name, "mem_reserve");
env = getenv(name);
if (env)
size[0] -= ustrtoul(env, &endp, 0);
fdt_fixup_memory_banks(blob, start, size, nbanks);
/* Fix up the initrd */
if (lpae && unitrd_fixup) {
int err;
u32 *prop1, *prop2;
u64 initrd_start, initrd_end;
nodeoffset = fdt_path_offset(blob, "/chosen");
if (nodeoffset >= 0) {
prop1 = (u32 *)fdt_getprop(blob, nodeoffset,
"linux,initrd-start", NULL);
prop2 = (u32 *)fdt_getprop(blob, nodeoffset,
"linux,initrd-end", NULL);
if (prop1 && prop2) {
initrd_start = __be32_to_cpu(*prop1);
initrd_start -= CONFIG_SYS_SDRAM_BASE;
initrd_start += CONFIG_SYS_LPAE_SDRAM_BASE;
initrd_start = __cpu_to_be64(initrd_start);
initrd_end = __be32_to_cpu(*prop2);
initrd_end -= CONFIG_SYS_SDRAM_BASE;
initrd_end += CONFIG_SYS_LPAE_SDRAM_BASE;
initrd_end = __cpu_to_be64(initrd_end);
err = fdt_delprop(blob, nodeoffset,
"linux,initrd-start");
if (err < 0)
puts("error deleting initrd-start\n");
err = fdt_delprop(blob, nodeoffset,
"linux,initrd-end");
if (err < 0)
puts("error deleting initrd-end\n");
err = fdt_setprop(blob, nodeoffset,
"linux,initrd-start",
&initrd_start,
sizeof(initrd_start));
if (err < 0)
puts("error adding initrd-start\n");
err = fdt_setprop(blob, nodeoffset,
"linux,initrd-end",
&initrd_end,
sizeof(initrd_end));
if (err < 0)
puts("error adding linux,initrd-end\n");
}
}
}
}
void ft_board_setup_ex(void *blob, bd_t *bd)
{
int lpae;
u64 size;
char *env;
u64 *reserve_start;
env = getenv("mem_lpae");
lpae = env && simple_strtol(env, NULL, 0);
if (lpae) {
/*
* the initrd and other reserved memory areas are
* embedded in in the DTB itslef. fix up these addresses
* to 36 bit format
*/
reserve_start = (u64 *)((char *)blob +
fdt_off_mem_rsvmap(blob));
while (1) {
*reserve_start = __cpu_to_be64(*reserve_start);
size = __cpu_to_be64(*(reserve_start + 1));
if (size) {
*reserve_start -= CONFIG_SYS_SDRAM_BASE;
*reserve_start +=
CONFIG_SYS_LPAE_SDRAM_BASE;
*reserve_start =
__cpu_to_be64(*reserve_start);
} else {
break;
}
reserve_start += 2;
}
}
}
#endif
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