projects / thirdparty / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| affae2bf WD |
1 | /* |
| 2 | * (C) Copyright 2001 | |
| 3 | * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com | |
| 4 | * | |
| 1a459660 | 5 | * SPDX-License-Identifier: GPL-2.0+ |
| affae2bf WD |
6 | */ |
| 7 | ||
| 8 | #include <common.h> | |
| b36df561 | 9 | #include <asm/ppc4xx.h> |
| affae2bf WD |
10 | #include <asm/processor.h> |
| 11 | ||
| 12 | /* | |
| 13 | * include common flash code (for esd boards) | |
| 14 | */ | |
| 15 | #include "../common/flash.c" | |
| 16 | ||
| 17 | /*----------------------------------------------------------------------- | |
| 18 | * Functions | |
| 19 | */ | |
| 20 | static ulong flash_get_size (vu_long *addr, flash_info_t *info); | |
| 21 | static void flash_get_offsets (ulong base, flash_info_t *info); | |
| 22 | ||
| 23 | /*----------------------------------------------------------------------- | |
| 24 | */ | |
| 25 | ||
| 26 | unsigned long flash_init (void) | |
| 27 | { | |
| 28 | unsigned long size_b0, size_b1; | |
| 29 | int i; | |
| 30 | ||
| 31 | /* Init: no FLASHes known */ | |
| 6d0f6bcf | 32 | for (i=0; i<CONFIG_SYS_MAX_FLASH_BANKS; ++i) { |
| affae2bf WD |
33 | flash_info[i].flash_id = FLASH_UNKNOWN; |
| 34 | } | |
| 35 | ||
| 36 | size_b0 = flash_get_size((vu_long *)FLASH_BASE0_PRELIM, &flash_info[0]); | |
| 37 | ||
| 38 | if (flash_info[0].flash_id == FLASH_UNKNOWN) { | |
| 39 | printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", | |
| 40 | size_b0, size_b0<<20); | |
| 41 | } | |
| 42 | ||
| 43 | size_b1 = flash_get_size((vu_long *)FLASH_BASE1_PRELIM, &flash_info[1]); | |
| 44 | ||
| 45 | if (size_b1 > size_b0) { | |
| 46 | printf ("## ERROR: " | |
| 47 | "Bank 1 (0x%08lx = %ld MB) > Bank 0 (0x%08lx = %ld MB)\n", | |
| 48 | size_b1, size_b1<<20, | |
| 49 | size_b0, size_b0<<20 | |
| 50 | ); | |
| 51 | flash_info[0].flash_id = FLASH_UNKNOWN; | |
| 52 | flash_info[1].flash_id = FLASH_UNKNOWN; | |
| 53 | flash_info[0].sector_count = -1; | |
| 54 | flash_info[1].sector_count = -1; | |
| 55 | flash_info[0].size = 0; | |
| 56 | flash_info[1].size = 0; | |
| 57 | return (0); | |
| 58 | } | |
| 59 | ||
| 60 | /* Re-do sizing to get full correct info */ | |
| 61 | size_b0 = flash_get_size((vu_long *)FLASH_BASE0_PRELIM, &flash_info[0]); | |
| 62 | ||
| 63 | flash_get_offsets (FLASH_BASE0_PRELIM, &flash_info[0]); | |
| 64 | ||
| 65 | /* monitor protection ON by default */ | |
| 66 | flash_protect(FLAG_PROTECT_SET, | |
| 3b57fe0a | 67 | FLASH_BASE0_PRELIM+size_b0-monitor_flash_len, |
| affae2bf WD |
68 | FLASH_BASE0_PRELIM+size_b0-1, |
| 69 | &flash_info[0]); | |
| 70 | ||
| 71 | if (size_b1) { | |
| 72 | /* Re-do sizing to get full correct info */ | |
| 73 | size_b1 = flash_get_size((vu_long *)(FLASH_BASE0_PRELIM + size_b0), | |
| 74 | &flash_info[1]); | |
| 75 | ||
| 76 | flash_get_offsets (FLASH_BASE0_PRELIM + size_b0, &flash_info[1]); | |
| 77 | ||
| 78 | /* monitor protection ON by default */ | |
| 79 | flash_protect(FLAG_PROTECT_SET, | |
| 3b57fe0a | 80 | FLASH_BASE0_PRELIM+size_b0+size_b1-monitor_flash_len, |
| affae2bf WD |
81 | FLASH_BASE0_PRELIM+size_b0+size_b1-1, |
| 82 | &flash_info[1]); | |
| 8bde7f77 WD |
83 | /* monitor protection OFF by default (one is enough) */ |
| 84 | flash_protect(FLAG_PROTECT_CLEAR, | |
| 3b57fe0a | 85 | FLASH_BASE0_PRELIM+size_b0-monitor_flash_len, |
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86 | FLASH_BASE0_PRELIM+size_b0-1, |
| 87 | &flash_info[0]); | |
| 88 | } else { | |
| 89 | flash_info[1].flash_id = FLASH_UNKNOWN; | |
| 90 | flash_info[1].sector_count = -1; | |
| 91 | } | |
| 92 | ||
| 93 | flash_info[0].size = size_b0; | |
| 94 | flash_info[1].size = size_b1; | |
| 95 | ||
| 96 | return (size_b0 + size_b1); | |
| 97 | } |