diff options
Diffstat (limited to 'board/ti/ks2_evm/board.c')
| -rw-r--r-- | board/ti/ks2_evm/board.c | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/board/ti/ks2_evm/board.c b/board/ti/ks2_evm/board.c new file mode 100644 index 0000000000..dfe7be60e7 --- /dev/null +++ b/board/ti/ks2_evm/board.c @@ -0,0 +1,229 @@ +/* + * 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 |