Carl-Daniel Hailfinger | 7a3bd8f | 2011-05-19 00:06:06 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the flashrom project. |
| 3 | * |
| 4 | * Copyright (C) 2010 Carl-Daniel Hailfinger |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; version 2 of the License. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 18 | */ |
| 19 | |
| 20 | #include "flash.h" |
| 21 | #include "chipdrivers.h" |
| 22 | #include "spi.h" |
| 23 | |
| 24 | /* Prettyprint the status register. Works for AMIC A25L series. */ |
| 25 | |
Stefan Tauner | e9ccad5 | 2011-07-29 12:06:04 +0000 | [diff] [blame] | 26 | static void spi_prettyprint_status_register_amic_a25_srwd(uint8_t status) |
| 27 | { |
| 28 | msg_cdbg("Chip status register: Status Register Write Disable " |
| 29 | "(SRWD) is %sset\n", (status & (1 << 7)) ? "" : "not "); |
| 30 | } |
| 31 | |
Carl-Daniel Hailfinger | 63fd902 | 2011-12-14 22:25:15 +0000 | [diff] [blame] | 32 | int spi_prettyprint_status_register_amic_a25l05p(struct flashctx *flash) |
Carl-Daniel Hailfinger | 7a3bd8f | 2011-05-19 00:06:06 +0000 | [diff] [blame] | 33 | { |
| 34 | uint8_t status; |
| 35 | |
Carl-Daniel Hailfinger | 8a3c60c | 2011-12-18 15:01:24 +0000 | [diff] [blame^] | 36 | status = spi_read_status_register(flash); |
Carl-Daniel Hailfinger | 7a3bd8f | 2011-05-19 00:06:06 +0000 | [diff] [blame] | 37 | msg_cdbg("Chip status register is %02x\n", status); |
| 38 | |
Stefan Tauner | e9ccad5 | 2011-07-29 12:06:04 +0000 | [diff] [blame] | 39 | spi_prettyprint_status_register_amic_a25_srwd(status); |
Carl-Daniel Hailfinger | 7a3bd8f | 2011-05-19 00:06:06 +0000 | [diff] [blame] | 40 | spi_prettyprint_status_register_bit(status, 6); |
| 41 | spi_prettyprint_status_register_bit(status, 5); |
| 42 | spi_prettyprint_status_register_bit(status, 4); |
| 43 | spi_prettyprint_status_register_bp3210(status, 1); |
| 44 | spi_prettyprint_status_register_welwip(status); |
| 45 | return 0; |
| 46 | } |
| 47 | |
Carl-Daniel Hailfinger | 63fd902 | 2011-12-14 22:25:15 +0000 | [diff] [blame] | 48 | int spi_prettyprint_status_register_amic_a25l40p(struct flashctx *flash) |
Carl-Daniel Hailfinger | 7a3bd8f | 2011-05-19 00:06:06 +0000 | [diff] [blame] | 49 | { |
| 50 | uint8_t status; |
| 51 | |
Carl-Daniel Hailfinger | 8a3c60c | 2011-12-18 15:01:24 +0000 | [diff] [blame^] | 52 | status = spi_read_status_register(flash); |
Carl-Daniel Hailfinger | 7a3bd8f | 2011-05-19 00:06:06 +0000 | [diff] [blame] | 53 | msg_cdbg("Chip status register is %02x\n", status); |
| 54 | |
Stefan Tauner | e9ccad5 | 2011-07-29 12:06:04 +0000 | [diff] [blame] | 55 | spi_prettyprint_status_register_amic_a25_srwd(status); |
Carl-Daniel Hailfinger | 7a3bd8f | 2011-05-19 00:06:06 +0000 | [diff] [blame] | 56 | spi_prettyprint_status_register_bit(status, 6); |
| 57 | spi_prettyprint_status_register_bit(status, 5); |
| 58 | spi_prettyprint_status_register_bp3210(status, 2); |
| 59 | spi_prettyprint_status_register_welwip(status); |
| 60 | return 0; |
| 61 | } |
| 62 | |
Carl-Daniel Hailfinger | 63fd902 | 2011-12-14 22:25:15 +0000 | [diff] [blame] | 63 | int spi_prettyprint_status_register_amic_a25l032(struct flashctx *flash) |
Carl-Daniel Hailfinger | 7a3bd8f | 2011-05-19 00:06:06 +0000 | [diff] [blame] | 64 | { |
| 65 | uint8_t status; |
| 66 | |
Carl-Daniel Hailfinger | 8a3c60c | 2011-12-18 15:01:24 +0000 | [diff] [blame^] | 67 | status = spi_read_status_register(flash); |
Carl-Daniel Hailfinger | 7a3bd8f | 2011-05-19 00:06:06 +0000 | [diff] [blame] | 68 | msg_cdbg("Chip status register is %02x\n", status); |
| 69 | |
Stefan Tauner | e9ccad5 | 2011-07-29 12:06:04 +0000 | [diff] [blame] | 70 | spi_prettyprint_status_register_amic_a25_srwd(status); |
Carl-Daniel Hailfinger | 7a3bd8f | 2011-05-19 00:06:06 +0000 | [diff] [blame] | 71 | msg_cdbg("Chip status register: Sector Protect Size (SEC) " |
| 72 | "is %i KB\n", (status & (1 << 6)) ? 4 : 64); |
| 73 | msg_cdbg("Chip status register: Top/Bottom (TB) " |
| 74 | "is %s\n", (status & (1 << 5)) ? "bottom" : "top"); |
| 75 | spi_prettyprint_status_register_bp3210(status, 2); |
| 76 | spi_prettyprint_status_register_welwip(status); |
| 77 | msg_cdbg("Chip status register 2 is NOT decoded!\n"); |
| 78 | return 0; |
| 79 | } |
| 80 | |
Carl-Daniel Hailfinger | 63fd902 | 2011-12-14 22:25:15 +0000 | [diff] [blame] | 81 | int spi_prettyprint_status_register_amic_a25lq032(struct flashctx *flash) |
Carl-Daniel Hailfinger | 7a3bd8f | 2011-05-19 00:06:06 +0000 | [diff] [blame] | 82 | { |
| 83 | uint8_t status; |
| 84 | |
Carl-Daniel Hailfinger | 8a3c60c | 2011-12-18 15:01:24 +0000 | [diff] [blame^] | 85 | status = spi_read_status_register(flash); |
Carl-Daniel Hailfinger | 7a3bd8f | 2011-05-19 00:06:06 +0000 | [diff] [blame] | 86 | msg_cdbg("Chip status register is %02x\n", status); |
| 87 | |
Stefan Tauner | e9ccad5 | 2011-07-29 12:06:04 +0000 | [diff] [blame] | 88 | spi_prettyprint_status_register_amic_a25_srwd(status); |
Carl-Daniel Hailfinger | 7a3bd8f | 2011-05-19 00:06:06 +0000 | [diff] [blame] | 89 | msg_cdbg("Chip status register: Sector Protect Size (SEC) " |
| 90 | "is %i KB\n", (status & (1 << 6)) ? 4 : 64); |
| 91 | msg_cdbg("Chip status register: Top/Bottom (TB) " |
| 92 | "is %s\n", (status & (1 << 5)) ? "bottom" : "top"); |
| 93 | spi_prettyprint_status_register_bp3210(status, 2); |
| 94 | spi_prettyprint_status_register_welwip(status); |
| 95 | msg_cdbg("Chip status register 2 is NOT decoded!\n"); |
| 96 | return 0; |
| 97 | } |
| 98 | |
| 99 | /* FIXME: spi_disable_blockprotect is incorrect but works fine for chips using |
| 100 | * spi_prettyprint_status_register_amic_a25l05p or |
| 101 | * spi_prettyprint_status_register_amic_a25l40p. |
| 102 | * FIXME: spi_disable_blockprotect is incorrect and will fail for chips using |
| 103 | * spi_prettyprint_status_register_amic_a25l032 or |
| 104 | * spi_prettyprint_status_register_amic_a25lq032 if those have locks controlled |
| 105 | * by the second status register. |
| 106 | */ |