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16b013e7 WD |
1 | /* |
2 | * (C) Copyright 2005 | |
3 | * Greg Ungerer, OpenGear Inc, <greg.ungerer@opengear.com> | |
4 | * | |
5 | * (C) Copyright 2002 | |
6 | * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net | |
7 | * | |
8 | * (C) Copyright 2002 | |
9 | * Sysgo Real-Time Solutions, GmbH <www.elinos.com> | |
10 | * Marius Groeger <mgroeger@sysgo.de> | |
11 | * | |
1a459660 | 12 | * SPDX-License-Identifier: GPL-2.0+ |
16b013e7 WD |
13 | */ |
14 | ||
15 | #include <common.h> | |
16 | #include <asm/arch/platform.h> | |
bd6ce9d1 | 17 | #include <netdev.h> |
16b013e7 | 18 | |
d87080b7 WD |
19 | DECLARE_GLOBAL_DATA_PTR; |
20 | ||
16b013e7 WD |
21 | /* ------------------------------------------------------------------------- */ |
22 | ||
23 | #define ks8695_read(a) *((volatile unsigned int *) (KS8695_IO_BASE+(a))) | |
24 | #define ks8695_write(a,b) *((volatile unsigned int *) (KS8695_IO_BASE+(a))) = (b) | |
25 | ||
26 | /* ------------------------------------------------------------------------- */ | |
27 | ||
28 | ||
29 | /* | |
30 | * Miscelaneous platform dependent initialisations | |
31 | */ | |
32 | int env_flash_cmdline (void) | |
33 | { | |
a00e749d GU |
34 | char *sp = (char *) 0x0201c020; |
35 | char *ep; | |
16b013e7 WD |
36 | int len; |
37 | ||
38 | /* Check if "erase" push button is depressed */ | |
39 | if ((ks8695_read(KS8695_GPIO_DATA) & 0x8) == 0) { | |
40 | printf("### Entering network recovery mode...\n"); | |
41 | setenv("bootargs", "console=ttyAM0,115200 mem=32M initrd=0x400000,8M root=/dev/ram0"); | |
42 | setenv("bootcmd", "bootp 0x400000; gofsk 0x400000"); | |
43 | setenv("bootdelay", "2"); | |
44 | return 0; | |
45 | } | |
46 | ||
47 | /* Check for flash based kernel boot args to use as default */ | |
48 | for (ep = sp, len = 0; ((len < 1024) && (*ep != 0)); ep++, len++) | |
49 | ; | |
50 | ||
51 | if ((len > 0) && (len <1024)) | |
52 | setenv("bootargs", sp); | |
53 | ||
54 | return 0; | |
55 | } | |
56 | ||
57 | int board_late_init (void) | |
58 | { | |
59 | return 0; | |
60 | } | |
61 | ||
1e8ff714 GU |
62 | int board_eth_init(bd_t *bis) |
63 | { | |
64 | return ks8695_eth_initialize(); | |
65 | } | |
16b013e7 WD |
66 | |
67 | int board_init (void) | |
68 | { | |
16b013e7 WD |
69 | /* arch number of CM41xx */ |
70 | gd->bd->bi_arch_number = 672; | |
71 | ||
72 | /* adress of boot parameters */ | |
73 | gd->bd->bi_boot_params = 0x00000100; | |
74 | ||
75 | /* power down all but port 0 on the switch */ | |
76 | ks8695_write(KS8695_SWITCH_LPPM12, 0x00000005); | |
77 | ks8695_write(KS8695_SWITCH_LPPM34, 0x00050005); | |
78 | ||
79 | return 0; | |
80 | } | |
81 | ||
82 | int dram_init (void) | |
83 | { | |
16b013e7 WD |
84 | gd->bd->bi_dram[0].start = PHYS_SDRAM_1; |
85 | gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; | |
86 | ||
87 | return (0); | |
88 | } |