128c6cf26SRick Chen // SPDX-License-Identifier: GPL-2.0+
228c6cf26SRick Chen /*
328c6cf26SRick Chen * Copyright (C) 2017 Andes Technology Corporation
428c6cf26SRick Chen * Rick Chen, Andes Technology Corporation <rick@andestech.com>
528c6cf26SRick Chen */
628c6cf26SRick Chen
728c6cf26SRick Chen #include <common.h>
828c6cf26SRick Chen #if defined(CONFIG_FTMAC100) && !defined(CONFIG_DM_ETH)
928c6cf26SRick Chen #include <netdev.h>
1028c6cf26SRick Chen #endif
1128c6cf26SRick Chen #include <linux/io.h>
1244199ebcSRick Chen #include <faraday/ftsmc020.h>
1344199ebcSRick Chen #include <fdtdec.h>
1428c6cf26SRick Chen
1528c6cf26SRick Chen DECLARE_GLOBAL_DATA_PTR;
1628c6cf26SRick Chen
17*48cbf624SRick Chen extern phys_addr_t prior_stage_fdt_address;
1828c6cf26SRick Chen /*
1928c6cf26SRick Chen * Miscellaneous platform dependent initializations
2028c6cf26SRick Chen */
2128c6cf26SRick Chen
board_init(void)2228c6cf26SRick Chen int board_init(void)
2328c6cf26SRick Chen {
2428c6cf26SRick Chen gd->bd->bi_boot_params = PHYS_SDRAM_0 + 0x400;
2528c6cf26SRick Chen
2628c6cf26SRick Chen return 0;
2728c6cf26SRick Chen }
2828c6cf26SRick Chen
dram_init(void)2928c6cf26SRick Chen int dram_init(void)
3028c6cf26SRick Chen {
3128c6cf26SRick Chen unsigned long sdram_base = PHYS_SDRAM_0;
3228c6cf26SRick Chen unsigned long expected_size = PHYS_SDRAM_0_SIZE + PHYS_SDRAM_1_SIZE;
3328c6cf26SRick Chen unsigned long actual_size;
3428c6cf26SRick Chen
3528c6cf26SRick Chen actual_size = get_ram_size((void *)sdram_base, expected_size);
3628c6cf26SRick Chen gd->ram_size = actual_size;
3728c6cf26SRick Chen
3828c6cf26SRick Chen if (expected_size != actual_size) {
3928c6cf26SRick Chen printf("Warning: Only %lu of %lu MiB SDRAM is working\n",
4028c6cf26SRick Chen actual_size >> 20, expected_size >> 20);
4128c6cf26SRick Chen }
4228c6cf26SRick Chen
4328c6cf26SRick Chen return 0;
4428c6cf26SRick Chen }
4528c6cf26SRick Chen
dram_init_banksize(void)4628c6cf26SRick Chen int dram_init_banksize(void)
4728c6cf26SRick Chen {
4828c6cf26SRick Chen gd->bd->bi_dram[0].start = PHYS_SDRAM_0;
4928c6cf26SRick Chen gd->bd->bi_dram[0].size = PHYS_SDRAM_0_SIZE;
5028c6cf26SRick Chen gd->bd->bi_dram[1].start = PHYS_SDRAM_1;
5128c6cf26SRick Chen gd->bd->bi_dram[1].size = PHYS_SDRAM_1_SIZE;
5228c6cf26SRick Chen
5328c6cf26SRick Chen return 0;
5428c6cf26SRick Chen }
5528c6cf26SRick Chen
5628c6cf26SRick Chen #if defined(CONFIG_FTMAC100) && !defined(CONFIG_DM_ETH)
board_eth_init(bd_t * bd)5728c6cf26SRick Chen int board_eth_init(bd_t *bd)
5828c6cf26SRick Chen {
5928c6cf26SRick Chen return ftmac100_initialize(bd);
6028c6cf26SRick Chen }
6128c6cf26SRick Chen #endif
6228c6cf26SRick Chen
board_flash_get_legacy(ulong base,int banknum,flash_info_t * info)6328c6cf26SRick Chen ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t *info)
6428c6cf26SRick Chen {
6528c6cf26SRick Chen return 0;
6628c6cf26SRick Chen }
6728c6cf26SRick Chen
board_fdt_blob_setup(void)6828c6cf26SRick Chen void *board_fdt_blob_setup(void)
6928c6cf26SRick Chen {
70*48cbf624SRick Chen void **ptr = (void *)&prior_stage_fdt_address;
7128c6cf26SRick Chen if (fdt_magic(*ptr) == FDT_MAGIC)
7228c6cf26SRick Chen return (void *)*ptr;
7328c6cf26SRick Chen
7428c6cf26SRick Chen return (void *)CONFIG_SYS_FDT_BASE;
7528c6cf26SRick Chen }
7644199ebcSRick Chen
smc_init(void)7744199ebcSRick Chen int smc_init(void)
7844199ebcSRick Chen {
7944199ebcSRick Chen int node = -1;
8044199ebcSRick Chen const char *compat = "andestech,atfsmc020";
8144199ebcSRick Chen void *blob = (void *)gd->fdt_blob;
8244199ebcSRick Chen fdt_addr_t addr;
8344199ebcSRick Chen struct ftsmc020_bank *regs;
8444199ebcSRick Chen
8544199ebcSRick Chen node = fdt_node_offset_by_compatible(blob, -1, compat);
8644199ebcSRick Chen if (node < 0)
8744199ebcSRick Chen return -FDT_ERR_NOTFOUND;
8844199ebcSRick Chen
8944199ebcSRick Chen addr = fdtdec_get_addr(blob, node, "reg");
9044199ebcSRick Chen
9144199ebcSRick Chen if (addr == FDT_ADDR_T_NONE)
9244199ebcSRick Chen return -EINVAL;
9344199ebcSRick Chen
9444199ebcSRick Chen regs = (struct ftsmc020_bank *)addr;
9544199ebcSRick Chen regs->cr &= ~FTSMC020_BANK_WPROT;
9644199ebcSRick Chen
9744199ebcSRick Chen return 0;
9844199ebcSRick Chen }
9944199ebcSRick Chen
10044199ebcSRick Chen #ifdef CONFIG_BOARD_EARLY_INIT_F
board_early_init_f(void)10144199ebcSRick Chen int board_early_init_f(void)
10244199ebcSRick Chen {
10344199ebcSRick Chen smc_init();
10444199ebcSRick Chen
10544199ebcSRick Chen return 0;
10644199ebcSRick Chen }
10744199ebcSRick Chen #endif
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