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 | * |
Alison Wang | 35d23df | 2012-03-26 21:49:05 +0000 | [diff] [blame] | 6 | * Copyright (C) 2004-2008, 2012 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> |
Alison Wang | 35d23df | 2012-03-26 21:49:05 +0000 | [diff] [blame] | 34 | #include <asm/io.h> |
TsiChung Liew | f6afe72 | 2007-06-18 13:50:13 -0500 | [diff] [blame] | 35 | |
Wolfgang Denk | d112a2c | 2007-09-15 20:48:41 +0200 | [diff] [blame] | 36 | DECLARE_GLOBAL_DATA_PTR; |
| 37 | |
Mike Frysinger | 6d1f698 | 2010-10-20 03:41:17 -0400 | [diff] [blame] | 38 | 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] | 39 | { |
Alison Wang | 35d23df | 2012-03-26 21:49:05 +0000 | [diff] [blame] | 40 | rcm_t *rcm = (rcm_t *) (MMAP_RCM); |
TsiChung Liew | f6afe72 | 2007-06-18 13:50:13 -0500 | [diff] [blame] | 41 | |
TsiChung Liew | f6afe72 | 2007-06-18 13:50:13 -0500 | [diff] [blame] | 42 | udelay(1000); |
Alison Wang | 35d23df | 2012-03-26 21:49:05 +0000 | [diff] [blame] | 43 | setbits_8(&rcm->rcr, RCM_RCR_SOFTRST); |
TsiChung Liew | f6afe72 | 2007-06-18 13:50:13 -0500 | [diff] [blame] | 44 | |
| 45 | /* we don't return! */ |
| 46 | return 0; |
| 47 | }; |
| 48 | |
| 49 | int checkcpu(void) |
| 50 | { |
Alison Wang | 35d23df | 2012-03-26 21:49:05 +0000 | [diff] [blame] | 51 | ccm_t *ccm = (ccm_t *) MMAP_CCM; |
TsiChung Liew | f6afe72 | 2007-06-18 13:50:13 -0500 | [diff] [blame] | 52 | u16 msk; |
| 53 | u16 id = 0; |
| 54 | u8 ver; |
| 55 | |
| 56 | puts("CPU: "); |
Alison Wang | 35d23df | 2012-03-26 21:49:05 +0000 | [diff] [blame] | 57 | msk = (in_be16(&ccm->cir) >> 6); |
| 58 | ver = (in_be16(&ccm->cir) & 0x003f); |
TsiChung Liew | f6afe72 | 2007-06-18 13:50:13 -0500 | [diff] [blame] | 59 | switch (msk) { |
TsiChung Liew | e7e4fc8 | 2008-10-22 11:38:21 +0000 | [diff] [blame] | 60 | #ifdef CONFIG_MCF5301x |
| 61 | case 0x78: |
| 62 | id = 53010; |
| 63 | break; |
| 64 | case 0x77: |
| 65 | id = 53012; |
| 66 | break; |
| 67 | case 0x76: |
| 68 | id = 53015; |
| 69 | break; |
| 70 | case 0x74: |
| 71 | id = 53011; |
| 72 | break; |
| 73 | case 0x73: |
| 74 | id = 53013; |
| 75 | break; |
| 76 | #endif |
| 77 | #ifdef CONFIG_MCF532x |
TsiChung Liew | f6afe72 | 2007-06-18 13:50:13 -0500 | [diff] [blame] | 78 | case 0x54: |
| 79 | id = 5329; |
| 80 | break; |
| 81 | case 0x59: |
| 82 | id = 5328; |
| 83 | break; |
| 84 | case 0x61: |
| 85 | id = 5327; |
| 86 | break; |
TsiChungLiew | 6f8a0a3 | 2008-01-14 17:23:08 -0600 | [diff] [blame] | 87 | case 0x65: |
| 88 | id = 5373; |
| 89 | break; |
| 90 | case 0x68: |
| 91 | id = 53721; |
| 92 | break; |
| 93 | case 0x69: |
| 94 | id = 5372; |
| 95 | break; |
| 96 | case 0x6B: |
| 97 | id = 5372; |
| 98 | break; |
TsiChung Liew | e7e4fc8 | 2008-10-22 11:38:21 +0000 | [diff] [blame] | 99 | #endif |
TsiChung Liew | f6afe72 | 2007-06-18 13:50:13 -0500 | [diff] [blame] | 100 | } |
| 101 | |
| 102 | if (id) { |
Wolfgang Denk | 2059104 | 2008-10-19 02:35:49 +0200 | [diff] [blame] | 103 | char buf1[32], buf2[32]; |
| 104 | |
TsiChung Liew | f6afe72 | 2007-06-18 13:50:13 -0500 | [diff] [blame] | 105 | printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk, |
| 106 | ver); |
Wolfgang Denk | 2059104 | 2008-10-19 02:35:49 +0200 | [diff] [blame] | 107 | printf(" CPU CLK %s MHz BUS CLK %s MHz\n", |
TsiChung Liew | 10e9a6e | 2008-10-22 11:55:30 +0000 | [diff] [blame] | 108 | strmhz(buf1, gd->cpu_clk), |
| 109 | strmhz(buf2, gd->bus_clk)); |
TsiChung Liew | f6afe72 | 2007-06-18 13:50:13 -0500 | [diff] [blame] | 110 | } |
| 111 | |
| 112 | return 0; |
| 113 | }; |
| 114 | |
| 115 | #if defined(CONFIG_WATCHDOG) |
| 116 | /* Called by macro WATCHDOG_RESET */ |
| 117 | void watchdog_reset(void) |
| 118 | { |
Alison Wang | 35d23df | 2012-03-26 21:49:05 +0000 | [diff] [blame] | 119 | wdog_t *wdp = (wdog_t *) (MMAP_WDOG); |
TsiChung Liew | f6afe72 | 2007-06-18 13:50:13 -0500 | [diff] [blame] | 120 | |
Alison Wang | 35d23df | 2012-03-26 21:49:05 +0000 | [diff] [blame] | 121 | /* Count register */ |
| 122 | out_be16(&wdp->sr, 0x5555); |
| 123 | out_be16(&wdp->sr, 0xaaaa); |
TsiChung Liew | f6afe72 | 2007-06-18 13:50:13 -0500 | [diff] [blame] | 124 | } |
| 125 | |
| 126 | int watchdog_disable(void) |
| 127 | { |
Alison Wang | 35d23df | 2012-03-26 21:49:05 +0000 | [diff] [blame] | 128 | wdog_t *wdp = (wdog_t *) (MMAP_WDOG); |
TsiChung Liew | f6afe72 | 2007-06-18 13:50:13 -0500 | [diff] [blame] | 129 | |
| 130 | /* UserManual, once the wdog is disabled, wdog cannot be re-enabled */ |
Alison Wang | 35d23df | 2012-03-26 21:49:05 +0000 | [diff] [blame] | 131 | /* halted watchdog timer */ |
| 132 | setbits_be16(&wdp->cr, WTM_WCR_HALTED); |
TsiChung Liew | f6afe72 | 2007-06-18 13:50:13 -0500 | [diff] [blame] | 133 | |
| 134 | puts("WATCHDOG:disabled\n"); |
| 135 | return (0); |
| 136 | } |
| 137 | |
| 138 | int watchdog_init(void) |
| 139 | { |
Alison Wang | 35d23df | 2012-03-26 21:49:05 +0000 | [diff] [blame] | 140 | wdog_t *wdp = (wdog_t *) (MMAP_WDOG); |
TsiChung Liew | f6afe72 | 2007-06-18 13:50:13 -0500 | [diff] [blame] | 141 | u32 wdog_module = 0; |
| 142 | |
| 143 | /* set timeout and enable watchdog */ |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 144 | wdog_module = ((CONFIG_SYS_CLK / 1000) * CONFIG_WATCHDOG_TIMEOUT); |
TsiChungLiew | 6f8a0a3 | 2008-01-14 17:23:08 -0600 | [diff] [blame] | 145 | #ifdef CONFIG_M5329 |
Alison Wang | 35d23df | 2012-03-26 21:49:05 +0000 | [diff] [blame] | 146 | out_be16(&wdp->mr, wdog_module / 8192); |
TsiChungLiew | 6f8a0a3 | 2008-01-14 17:23:08 -0600 | [diff] [blame] | 147 | #else |
Alison Wang | 35d23df | 2012-03-26 21:49:05 +0000 | [diff] [blame] | 148 | out_be16(&wdp->mr, wdog_module / 4096); |
TsiChungLiew | 6f8a0a3 | 2008-01-14 17:23:08 -0600 | [diff] [blame] | 149 | #endif |
TsiChung Liew | f6afe72 | 2007-06-18 13:50:13 -0500 | [diff] [blame] | 150 | |
Alison Wang | 35d23df | 2012-03-26 21:49:05 +0000 | [diff] [blame] | 151 | out_be16(&wdp->cr, WTM_WCR_EN); |
TsiChung Liew | f6afe72 | 2007-06-18 13:50:13 -0500 | [diff] [blame] | 152 | puts("WATCHDOG:enabled\n"); |
| 153 | |
| 154 | return (0); |
| 155 | } |
TsiChungLiew | fb66174 | 2007-07-05 23:01:22 -0500 | [diff] [blame] | 156 | #endif /* CONFIG_WATCHDOG */ |
Ben Warren | 90c96db | 2008-08-26 22:16:25 -0700 | [diff] [blame] | 157 | |
| 158 | #if defined(CONFIG_MCFFEC) |
| 159 | /* Default initializations for MCFFEC controllers. To override, |
| 160 | * create a board-specific function called: |
| 161 | * int board_eth_init(bd_t *bis) |
| 162 | */ |
| 163 | |
Ben Warren | 90c96db | 2008-08-26 22:16:25 -0700 | [diff] [blame] | 164 | int cpu_eth_init(bd_t *bis) |
| 165 | { |
| 166 | return mcffec_initialize(bis); |
| 167 | } |
| 168 | #endif |