projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| e4a95d11 SR |
1 | /* |
| 2 | * (C) Copyright 2010 | |
| 3 | * Stefan Roese, DENX Software Engineering, sr@denx.de. | |
| 4 | * | |
| 5 | * See file CREDITS for list of people who contributed to this | |
| 6 | * project. | |
| 7 | * | |
| 8 | * This program is free software; you can redistribute it and/or | |
| 9 | * modify it under the terms of the GNU General Public License as | |
| 10 | * published by the Free Software Foundation; either version 2 of | |
| 11 | * the License, or (at your option) any later version. | |
| 12 | * | |
| 13 | * This program is distributed in the hope that it will be useful, | |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 16 | * GNU General Public License for more details. | |
| 17 | * | |
| 18 | * You should have received a copy of the GNU General Public License | |
| 19 | * along with this program; if not, write to the Free Software | |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
| 21 | * MA 02111-1307 USA | |
| 22 | */ | |
| 23 | ||
| 24 | #include <common.h> | |
| 25 | #include <asm/io.h> | |
| 26 | ||
| 27 | /* | |
| 28 | * Only override CONFIG_SYS_BOOTCOUNT_ADDR if not already defined. This | |
| 29 | * way, some boards can define it directly in their config header. | |
| 30 | */ | |
| 31 | #if !defined(CONFIG_SYS_BOOTCOUNT_ADDR) | |
| 32 | ||
| 33 | #if defined(CONFIG_MPC5xxx) | |
| 34 | #define CONFIG_SYS_BOOTCOUNT_ADDR (MPC5XXX_CDM_BRDCRMB) | |
| 35 | #define CONFIG_SYS_BOOTCOUNT_SINGLEWORD | |
| 36 | #endif /* defined(CONFIG_MPC5xxx) */ | |
| 37 | ||
| 38 | #if defined(CONFIG_8xx) | |
| 39 | #define CONFIG_SYS_BOOTCOUNT_ADDR (((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_dpmem + \ | |
| 40 | CPM_BOOTCOUNT_ADDR) | |
| 41 | #endif /* defined(CONFIG_8xx) */ | |
| 42 | ||
| 43 | #if defined(CONFIG_MPC8260) | |
| 44 | #include <asm/cpm_8260.h> | |
| 45 | ||
| 46 | #define CONFIG_SYS_BOOTCOUNT_ADDR (CONFIG_SYS_IMMR + CPM_BOOTCOUNT_ADDR) | |
| 47 | #endif /* defined(CONFIG_MPC8260) */ | |
| 48 | ||
| 49 | #if defined(CONFIG_MPC8360) | |
| 50 | #include <asm/immap_qe.h> | |
| 51 | ||
| 52 | #define CONFIG_SYS_BOOTCOUNT_ADDR (CONFIG_SYS_IMMR + 0x110000 + \ | |
| 53 | QE_MURAM_SIZE - 2 * sizeof(u32)) | |
| 54 | #endif /* defined(CONFIG_MPC8360) */ | |
| 55 | ||
| 56 | #if defined(CONFIG_4xx) | |
| 57 | #define CONFIG_SYS_BOOTCOUNT_ADDR (CONFIG_SYS_OCM_DATA_ADDR + \ | |
| 58 | CONFIG_SYS_BOOTCOUNT_ADDR) | |
| 59 | #endif /* defined(CONFIG_4xx) */ | |
| 60 | ||
| 61 | #endif /* !defined(CONFIG_SYS_BOOTCOUNT_ADDR) */ | |
| 62 | ||
| 63 | void bootcount_store(ulong a) | |
| 64 | { | |
| 65 | void *reg = (void *)CONFIG_SYS_BOOTCOUNT_ADDR; | |
| 66 | ||
| 67 | #if defined(CONFIG_SYS_BOOTCOUNT_SINGLEWORD) | |
| 68 | out_be32(reg, (BOOTCOUNT_MAGIC & 0xffff0000) | a); | |
| 69 | #else | |
| 70 | out_be32(reg, a); | |
| 71 | out_be32(reg + 4, BOOTCOUNT_MAGIC); | |
| 72 | #endif | |
| 73 | } | |
| 74 | ||
| 75 | ulong bootcount_load(void) | |
| 76 | { | |
| 77 | void *reg = (void *)CONFIG_SYS_BOOTCOUNT_ADDR; | |
| 78 | ||
| 79 | #if defined(CONFIG_SYS_BOOTCOUNT_SINGLEWORD) | |
| 59dde44a MW |
80 | u32 tmp = in_be32(reg); |
| 81 | ||
| 82 | if ((tmp & 0xffff0000) != (BOOTCOUNT_MAGIC & 0xffff0000)) | |
| e4a95d11 SR |
83 | return 0; |
| 84 | else | |
| 59dde44a | 85 | return (tmp & 0x0000ffff); |
| e4a95d11 SR |
86 | #else |
| 87 | if (in_be32(reg + 4) != BOOTCOUNT_MAGIC) | |
| 88 | return 0; | |
| 89 | else | |
| 90 | return in_be32(reg); | |
| 91 | #endif | |
| 92 | } |