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