1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright 2009 Extreme Engineering Solutions, Inc.
4 */
5
6 #include <common.h>
7 #include <asm/processor.h>
8 #include <fsl_ddr_sdram.h>
9 #include <asm/mmu.h>
10 #include <asm/io.h>
11 #include <fdt_support.h>
12 #include <pca953x.h>
13 #include "../common/fsl_8xxx_misc.h"
14
15 DECLARE_GLOBAL_DATA_PTR;
16
17 #if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_PCI)
18 extern void ft_board_pci_setup(void *blob, bd_t *bd);
19 #endif
20
21 /*
22 * Print out which flash was booted from and if booting from the 2nd flash,
23 * swap flash chip selects to maintain consistent flash numbering/addresses.
24 */
flash_cs_fixup(void)25 static void flash_cs_fixup(void)
26 {
27 int flash_sel;
28
29 /*
30 * Print boot dev and swap flash flash chip selects if booted from 2nd
31 * flash. Swapping chip selects presents user with a common memory
32 * map regardless of which flash was booted from.
33 */
34 flash_sel = !((pca953x_get_val(CONFIG_SYS_I2C_PCA953X_ADDR0) &
35 CONFIG_SYS_PCA953X_C0_FLASH_PASS_CS));
36 printf("Flash: Executed from flash%d\n", flash_sel ? 2 : 1);
37
38 if (flash_sel) {
39 set_lbc_br(0, CONFIG_SYS_BR1_PRELIM);
40 set_lbc_or(0, CONFIG_SYS_OR1_PRELIM);
41
42 set_lbc_br(1, CONFIG_SYS_BR0_PRELIM);
43 set_lbc_or(1, CONFIG_SYS_OR0_PRELIM);
44 }
45 }
46
board_early_init_r(void)47 int board_early_init_r(void)
48 {
49 /* Initialize PCA9557 devices */
50 pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR0, 0xff, 0);
51 pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR1, 0xff, 0);
52 pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR2, 0xff, 0);
53 pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR3, 0xff, 0);
54
55 flash_cs_fixup();
56
57 return 0;
58 }
59
dram_init(void)60 int dram_init(void)
61 {
62 phys_size_t dram_size = fsl_ddr_sdram();
63
64 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
65 /* Initialize and enable DDR ECC */
66 ddr_enable_ecc(dram_size);
67 #endif
68
69 gd->ram_size = dram_size;
70
71 return 0;
72 }
73
74 #if defined(CONFIG_OF_BOARD_SETUP)
ft_board_setup(void * blob,bd_t * bd)75 int ft_board_setup(void *blob, bd_t *bd)
76 {
77 #ifdef CONFIG_PCI
78 ft_board_pci_setup(blob, bd);
79 #endif
80 ft_cpu_setup(blob, bd);
81
82 return 0;
83 }
84 #endif
85