TsiChung Liew | f6afe72 | 2007-06-18 13:50:13 -0500 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * (C) Copyright 2000-2003 |
| 4 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| 5 | * |
TsiChung Liew | e7e4fc8 | 2008-10-22 11:38:21 +0000 | [diff] [blame] | 6 | * Copyright (C) 2004-2008 Freescale Semiconductor, Inc. |
TsiChung Liew | f6afe72 | 2007-06-18 13:50:13 -0500 | [diff] [blame] | 7 | * TsiChung Liew (Tsi-Chung.Liew@freescale.com) |
| 8 | * |
| 9 | * See file CREDITS for list of people who contributed to this |
| 10 | * project. |
| 11 | * |
| 12 | * This program is free software; you can redistribute it and/or |
| 13 | * modify it under the terms of the GNU General Public License as |
| 14 | * published by the Free Software Foundation; either version 2 of |
| 15 | * the License, or (at your option) any later version. |
| 16 | * |
| 17 | * This program is distributed in the hope that it will be useful, |
| 18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 20 | * GNU General Public License for more details. |
| 21 | * |
| 22 | * You should have received a copy of the GNU General Public License |
| 23 | * along with this program; if not, write to the Free Software |
| 24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 25 | * MA 02111-1307 USA |
| 26 | */ |
| 27 | |
| 28 | #include <common.h> |
| 29 | #include <watchdog.h> |
| 30 | #include <command.h> |
Ben Warren | 2f2b6b6 | 2008-08-31 22:22:04 -0700 | [diff] [blame] | 31 | #include <netdev.h> |
TsiChung Liew | f6afe72 | 2007-06-18 13:50:13 -0500 | [diff] [blame] | 32 | |
TsiChungLiew | fb66174 | 2007-07-05 23:01:22 -0500 | [diff] [blame] | 33 | #include <asm/immap.h> |
TsiChung Liew | f6afe72 | 2007-06-18 13:50:13 -0500 | [diff] [blame] | 34 | |
Wolfgang Denk | d112a2c | 2007-09-15 20:48:41 +0200 | [diff] [blame] | 35 | DECLARE_GLOBAL_DATA_PTR; |
| 36 | |
Mike Frysinger | 6d1f698 | 2010-10-20 03:41:17 -0400 | [diff] [blame] | 37 | int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
TsiChung Liew | f6afe72 | 2007-06-18 13:50:13 -0500 | [diff] [blame] | 38 | { |
TsiChungLiew | 00f0032 | 2007-11-07 17:56:15 -0600 | [diff] [blame] | 39 | volatile rcm_t *rcm = (rcm_t *) (MMAP_RCM); |
TsiChung Liew | f6afe72 | 2007-06-18 13:50:13 -0500 | [diff] [blame] | 40 | |
TsiChung Liew | f6afe72 | 2007-06-18 13:50:13 -0500 | [diff] [blame] | 41 | udelay(1000); |
TsiChungLiew | 00f0032 | 2007-11-07 17:56:15 -0600 | [diff] [blame] | 42 | rcm->rcr |= RCM_RCR_SOFTRST; |
TsiChung Liew | f6afe72 | 2007-06-18 13:50:13 -0500 | [diff] [blame] | 43 | |
| 44 | /* we don't return! */ |
| 45 | return 0; |
| 46 | }; |
| 47 | |
| 48 | int checkcpu(void) |
| 49 | { |
TsiChung Liew | f6afe72 | 2007-06-18 13:50:13 -0500 | [diff] [blame] | 50 | volatile ccm_t *ccm = (ccm_t *) MMAP_CCM; |
| 51 | u16 msk; |
| 52 | u16 id = 0; |
| 53 | u8 ver; |
| 54 | |
| 55 | puts("CPU: "); |
| 56 | msk = (ccm->cir >> 6); |
| 57 | ver = (ccm->cir & 0x003f); |
| 58 | switch (msk) { |
TsiChung Liew | e7e4fc8 | 2008-10-22 11:38:21 +0000 | [diff] [blame] | 59 | #ifdef CONFIG_MCF5301x |
| 60 | case 0x78: |
| 61 | id = 53010; |
| 62 | break; |
| 63 | case 0x77: |
| 64 | id = 53012; |
| 65 | break; |
| 66 | case 0x76: |
| 67 | id = 53015; |
| 68 | break; |
| 69 | case 0x74: |
| 70 | id = 53011; |
| 71 | break; |
| 72 | case 0x73: |
| 73 | id = 53013; |
| 74 | break; |
| 75 | #endif |
| 76 | #ifdef CONFIG_MCF532x |
TsiChung Liew | f6afe72 | 2007-06-18 13:50:13 -0500 | [diff] [blame] | 77 | case 0x54: |
| 78 | id = 5329; |
| 79 | break; |
| 80 | case 0x59: |
| 81 | id = 5328; |
| 82 | break; |
| 83 | case 0x61: |
| 84 | id = 5327; |
| 85 | break; |
TsiChungLiew | 6f8a0a3 | 2008-01-14 17:23:08 -0600 | [diff] [blame] | 86 | case 0x65: |
| 87 | id = 5373; |
| 88 | break; |
| 89 | case 0x68: |
| 90 | id = 53721; |
| 91 | break; |
| 92 | case 0x69: |
| 93 | id = 5372; |
| 94 | break; |
| 95 | case 0x6B: |
| 96 | id = 5372; |
| 97 | break; |
TsiChung Liew | e7e4fc8 | 2008-10-22 11:38:21 +0000 | [diff] [blame] | 98 | #endif |
TsiChung Liew | f6afe72 | 2007-06-18 13:50:13 -0500 | [diff] [blame] | 99 | } |
| 100 | |
| 101 | if (id) { |
Wolfgang Denk | 2059104 | 2008-10-19 02:35:49 +0200 | [diff] [blame] | 102 | char buf1[32], buf2[32]; |
| 103 | |
TsiChung Liew | f6afe72 | 2007-06-18 13:50:13 -0500 | [diff] [blame] | 104 | printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk, |
| 105 | ver); |
Wolfgang Denk | 2059104 | 2008-10-19 02:35:49 +0200 | [diff] [blame] | 106 | printf(" CPU CLK %s MHz BUS CLK %s MHz\n", |
TsiChung Liew | 10e9a6e | 2008-10-22 11:55:30 +0000 | [diff] [blame] | 107 | strmhz(buf1, gd->cpu_clk), |
| 108 | strmhz(buf2, gd->bus_clk)); |
TsiChung Liew | f6afe72 | 2007-06-18 13:50:13 -0500 | [diff] [blame] | 109 | } |
| 110 | |
| 111 | return 0; |
| 112 | }; |
| 113 | |
| 114 | #if defined(CONFIG_WATCHDOG) |
| 115 | /* Called by macro WATCHDOG_RESET */ |
| 116 | void watchdog_reset(void) |
| 117 | { |
| 118 | volatile wdog_t *wdp = (wdog_t *) (MMAP_WDOG); |
| 119 | |
| 120 | wdp->sr = 0x5555; /* Count register */ |
TsiChungLiew | 6f8a0a3 | 2008-01-14 17:23:08 -0600 | [diff] [blame] | 121 | wdp->sr = 0xAAAA; /* Count register */ |
TsiChung Liew | f6afe72 | 2007-06-18 13:50:13 -0500 | [diff] [blame] | 122 | } |
| 123 | |
| 124 | int watchdog_disable(void) |
| 125 | { |
| 126 | volatile wdog_t *wdp = (wdog_t *) (MMAP_WDOG); |
| 127 | |
| 128 | /* UserManual, once the wdog is disabled, wdog cannot be re-enabled */ |
| 129 | wdp->cr |= WTM_WCR_HALTED; /* halted watchdog timer */ |
| 130 | |
| 131 | puts("WATCHDOG:disabled\n"); |
| 132 | return (0); |
| 133 | } |
| 134 | |
| 135 | int watchdog_init(void) |
| 136 | { |
| 137 | volatile wdog_t *wdp = (wdog_t *) (MMAP_WDOG); |
| 138 | u32 wdog_module = 0; |
| 139 | |
| 140 | /* set timeout and enable watchdog */ |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 141 | wdog_module = ((CONFIG_SYS_CLK / 1000) * CONFIG_WATCHDOG_TIMEOUT); |
TsiChungLiew | 6f8a0a3 | 2008-01-14 17:23:08 -0600 | [diff] [blame] | 142 | #ifdef CONFIG_M5329 |
| 143 | wdp->mr = (wdog_module / 8192); |
| 144 | #else |
| 145 | wdp->mr = (wdog_module / 4096); |
| 146 | #endif |
TsiChung Liew | f6afe72 | 2007-06-18 13:50:13 -0500 | [diff] [blame] | 147 | |
| 148 | wdp->cr = WTM_WCR_EN; |
| 149 | puts("WATCHDOG:enabled\n"); |
| 150 | |
| 151 | return (0); |
| 152 | } |
TsiChungLiew | fb66174 | 2007-07-05 23:01:22 -0500 | [diff] [blame] | 153 | #endif /* CONFIG_WATCHDOG */ |
Ben Warren | 90c96db | 2008-08-26 22:16:25 -0700 | [diff] [blame] | 154 | |
| 155 | #if defined(CONFIG_MCFFEC) |
| 156 | /* Default initializations for MCFFEC controllers. To override, |
| 157 | * create a board-specific function called: |
| 158 | * int board_eth_init(bd_t *bis) |
| 159 | */ |
| 160 | |
Ben Warren | 90c96db | 2008-08-26 22:16:25 -0700 | [diff] [blame] | 161 | int cpu_eth_init(bd_t *bis) |
| 162 | { |
| 163 | return mcffec_initialize(bis); |
| 164 | } |
| 165 | #endif |