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Coding Style cleanup: remove trailing white space
[karo-tx-uboot.git] / board / xes / xpedite537x / xpedite537x.c
1 /*
2  * Copyright 2008 Extreme Engineering Solutions, Inc.
3  *
4  * SPDX-License-Identifier:     GPL-2.0+
5  */
6
7 #include <common.h>
8 #include <command.h>
9 #include <asm/processor.h>
10 #include <asm/mmu.h>
11 #include <asm/immap_85xx.h>
12 #include <asm/fsl_pci.h>
13 #include <asm/io.h>
14 #include <asm/cache.h>
15 #include <libfdt.h>
16 #include <fdt_support.h>
17 #include <pca953x.h>
18
19 DECLARE_GLOBAL_DATA_PTR;
20
21 extern void ft_board_pci_setup(void *blob, bd_t *bd);
22
23 static void flash_cs_fixup(void)
24 {
25         int flash_sel;
26
27         /*
28          * Print boot dev and swap flash flash chip selects if booted from 2nd
29          * flash.  Swapping chip selects presents user with a common memory
30          * map regardless of which flash was booted from.
31          */
32         flash_sel = !((pca953x_get_val(CONFIG_SYS_I2C_PCA953X_ADDR0) &
33                         CONFIG_SYS_PCA953X_C0_FLASH_PASS_CS));
34         printf("Flash: Executed from flash%d\n", flash_sel ? 2 : 1);
35
36         if (flash_sel) {
37                 set_lbc_br(0, CONFIG_SYS_BR1_PRELIM);
38                 set_lbc_or(0, CONFIG_SYS_OR1_PRELIM);
39
40                 set_lbc_br(1, CONFIG_SYS_BR0_PRELIM);
41                 set_lbc_or(1, CONFIG_SYS_OR0_PRELIM);
42         }
43 }
44
45 int board_early_init_r(void)
46 {
47         /* Initialize PCA9557 devices */
48         pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR0, 0xff, 0);
49         pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR1, 0xff, 0);
50         pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR2, 0xff, 0);
51         pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR3, 0xff, 0);
52
53         /*
54          * Remap NOR flash region to caching-inhibited
55          * so that flash can be erased/programmed properly.
56          */
57
58         /* Flush d-cache and invalidate i-cache of any FLASH data */
59         flush_dcache();
60         invalidate_icache();
61
62         /* Invalidate existing TLB entry for NOR flash */
63         disable_tlb(0);
64         set_tlb(1, (CONFIG_SYS_FLASH_BASE2 & 0xf0000000),
65                 (CONFIG_SYS_FLASH_BASE2 & 0xf0000000),
66                 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
67                 0, 0, BOOKE_PAGESZ_256M, 1);
68
69         flash_cs_fixup();
70
71         return 0;
72 }
73
74 #if defined(CONFIG_OF_BOARD_SETUP)
75 void 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 #endif