1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright 2009 Extreme Engineering Solutions, Inc.
4 */
5
6 #include <common.h>
7 #include <init.h>
8 #include <asm/global_data.h>
9 #include <asm/processor.h>
10 #include <fsl_ddr_sdram.h>
11 #include <asm/mmu.h>
12 #include <asm/io.h>
13 #include <fdt_support.h>
14 #include <pca953x.h>
15 #include "../common/fsl_8xxx_misc.h"
16
17 DECLARE_GLOBAL_DATA_PTR;
18
19 #if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_PCI)
20 extern void ft_board_pci_setup(void *blob, struct bd_info *bd);
21 #endif
22
23 /*
24 * Print out which flash was booted from and if booting from the 2nd flash,
25 * swap flash chip selects to maintain consistent flash numbering/addresses.
26 */
flash_cs_fixup(void)27 static void flash_cs_fixup(void)
28 {
29 int flash_sel;
30
31 /*
32 * Print boot dev and swap flash flash chip selects if booted from 2nd
33 * flash. Swapping chip selects presents user with a common memory
34 * map regardless of which flash was booted from.
35 */
36 flash_sel = !((pca953x_get_val(CONFIG_SYS_I2C_PCA953X_ADDR0) &
37 CONFIG_SYS_PCA953X_C0_FLASH_PASS_CS));
38 printf("Flash: Executed from flash%d\n", flash_sel ? 2 : 1);
39
40 if (flash_sel) {
41 set_lbc_br(0, CONFIG_SYS_BR1_PRELIM);
42 set_lbc_or(0, CONFIG_SYS_OR1_PRELIM);
43
44 set_lbc_br(1, CONFIG_SYS_BR0_PRELIM);
45 set_lbc_or(1, CONFIG_SYS_OR0_PRELIM);
46 }
47 }
48
board_early_init_r(void)49 int board_early_init_r(void)
50 {
51 /* Initialize PCA9557 devices */
52 pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR0, 0xff, 0);
53 pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR1, 0xff, 0);
54 pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR2, 0xff, 0);
55 pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR3, 0xff, 0);
56
57 flash_cs_fixup();
58
59 return 0;
60 }
61
dram_init(void)62 int dram_init(void)
63 {
64 phys_size_t dram_size = fsl_ddr_sdram();
65
66 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
67 /* Initialize and enable DDR ECC */
68 ddr_enable_ecc(dram_size);
69 #endif
70
71 gd->ram_size = dram_size;
72
73 return 0;
74 }
75
76 #if defined(CONFIG_OF_BOARD_SETUP)
ft_board_setup(void * blob,struct bd_info * bd)77 int ft_board_setup(void *blob, struct bd_info *bd)
78 {
79 #ifdef CONFIG_PCI
80 ft_board_pci_setup(blob, bd);
81 #endif
82 ft_cpu_setup(blob, bd);
83
84 return 0;
85 }
86 #endif
87