Magnus Lilja | 6eeb6f7 | 2009-07-01 01:07:55 +0200 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * (C) Copyright 2009 Magnus Lilja <lilja.magnus@gmail.com> |
| 4 | * |
| 5 | * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de> |
| 6 | * |
| 7 | * See file CREDITS for list of people who contributed to this |
| 8 | * project. |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or |
| 11 | * modify it under the terms of the GNU General Public License as |
| 12 | * published by the Free Software Foundation; either version 2 of |
| 13 | * the License, or (at your option) any later version. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | * GNU General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License |
| 21 | * along with this program; if not, write to the Free Software |
| 22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 23 | * MA 02111-1307 USA |
| 24 | */ |
| 25 | |
| 26 | |
| 27 | #include <common.h> |
Ben Warren | fbfdd3a | 2009-07-20 22:01:11 -0700 | [diff] [blame] | 28 | #include <netdev.h> |
Stefano Babic | 78129d9 | 2011-03-14 15:43:56 +0100 | [diff] [blame] | 29 | #include <asm/arch/clock.h> |
| 30 | #include <asm/arch/imx-regs.h> |
Helmut Raiger | 035929c | 2011-09-29 05:45:03 +0000 | [diff] [blame] | 31 | #include <asm/arch/sys_proto.h> |
Fabio Estevam | 5e4f380 | 2011-04-10 08:17:50 +0000 | [diff] [blame] | 32 | #include <watchdog.h> |
Fabio Estevam | 578bac0 | 2011-10-24 05:32:28 +0000 | [diff] [blame] | 33 | #include <pmic.h> |
| 34 | #include <fsl_pmic.h> |
Magnus Lilja | 6eeb6f7 | 2009-07-01 01:07:55 +0200 | [diff] [blame] | 35 | |
| 36 | DECLARE_GLOBAL_DATA_PTR; |
| 37 | |
Fabio Estevam | 5e4f380 | 2011-04-10 08:17:50 +0000 | [diff] [blame] | 38 | #ifdef CONFIG_HW_WATCHDOG |
| 39 | void hw_watchdog_reset(void) |
| 40 | { |
| 41 | mxc_hw_watchdog_reset(); |
| 42 | } |
| 43 | #endif |
| 44 | |
Magnus Lilja | 6eeb6f7 | 2009-07-01 01:07:55 +0200 | [diff] [blame] | 45 | int dram_init(void) |
| 46 | { |
Fabio Estevam | 66a8b4d | 2011-02-09 01:17:55 +0000 | [diff] [blame] | 47 | /* dram_init must store complete ramsize in gd->ram_size */ |
Albert ARIBAUD | a960673 | 2011-07-03 05:55:33 +0000 | [diff] [blame] | 48 | gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE, |
Fabio Estevam | 66a8b4d | 2011-02-09 01:17:55 +0000 | [diff] [blame] | 49 | PHYS_SDRAM_1_SIZE); |
| 50 | return 0; |
| 51 | } |
| 52 | |
Fabio Estevam | 1af83e3 | 2011-02-09 01:17:56 +0000 | [diff] [blame] | 53 | int board_early_init_f(void) |
Magnus Lilja | 6eeb6f7 | 2009-07-01 01:07:55 +0200 | [diff] [blame] | 54 | { |
| 55 | /* CS5: CPLD incl. network controller */ |
Helmut Raiger | 035929c | 2011-09-29 05:45:03 +0000 | [diff] [blame] | 56 | static const struct mxc_weimcs cs5 = { |
| 57 | /* sp wp bcd bcs psz pme sync dol cnc wsc ew wws edc */ |
| 58 | CSCR_U(0, 0, 0, 0, 0, 0, 0, 0, 3, 24, 0, 4, 3), |
| 59 | /* oea oen ebwa ebwn csa ebc dsz csn psr cre wrap csen */ |
| 60 | CSCR_L(2, 2, 2, 5, 2, 0, 5, 2, 0, 0, 0, 1), |
| 61 | /* ebra ebrn rwa rwn mum lah lbn lba dww dct wwu age cnc2 fce*/ |
| 62 | CSCR_A(2, 2, 2, 2, 0, 0, 2, 2, 0, 0, 0, 0, 0, 0) |
| 63 | }; |
| 64 | |
| 65 | mxc_setup_weimcs(5, &cs5); |
Magnus Lilja | 6eeb6f7 | 2009-07-01 01:07:55 +0200 | [diff] [blame] | 66 | |
| 67 | /* Setup UART1 and SPI2 pins */ |
| 68 | mx31_uart1_hw_init(); |
| 69 | mx31_spi2_hw_init(); |
| 70 | |
Fabio Estevam | 1af83e3 | 2011-02-09 01:17:56 +0000 | [diff] [blame] | 71 | return 0; |
| 72 | } |
| 73 | |
Fabio Estevam | 9d2f60a | 2011-11-01 08:16:37 +0000 | [diff] [blame] | 74 | void enable_caches(void) |
| 75 | { |
| 76 | icache_enable(); |
| 77 | dcache_enable(); |
| 78 | } |
| 79 | |
Fabio Estevam | 1af83e3 | 2011-02-09 01:17:56 +0000 | [diff] [blame] | 80 | int board_init(void) |
| 81 | { |
Magnus Lilja | 6eeb6f7 | 2009-07-01 01:07:55 +0200 | [diff] [blame] | 82 | /* adress of boot parameters */ |
| 83 | gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; |
| 84 | |
Fabio Estevam | 9d2f60a | 2011-11-01 08:16:37 +0000 | [diff] [blame] | 85 | enable_caches(); |
| 86 | |
Magnus Lilja | 6eeb6f7 | 2009-07-01 01:07:55 +0200 | [diff] [blame] | 87 | return 0; |
| 88 | } |
| 89 | |
Fabio Estevam | 5e4f380 | 2011-04-10 08:17:50 +0000 | [diff] [blame] | 90 | int board_late_init(void) |
| 91 | { |
Fabio Estevam | 578bac0 | 2011-10-24 05:32:28 +0000 | [diff] [blame] | 92 | u32 val; |
| 93 | struct pmic *p; |
| 94 | |
| 95 | pmic_init(); |
| 96 | p = get_pmic(); |
| 97 | |
| 98 | /* Enable RTC battery */ |
| 99 | pmic_reg_read(p, REG_POWER_CTL0, &val); |
| 100 | pmic_reg_write(p, REG_POWER_CTL0, val | COINCHEN); |
| 101 | pmic_reg_write(p, REG_INT_STATUS1, RTCRSTI); |
Fabio Estevam | 5e4f380 | 2011-04-10 08:17:50 +0000 | [diff] [blame] | 102 | #ifdef CONFIG_HW_WATCHDOG |
| 103 | mxc_hw_watchdog_enable(); |
| 104 | #endif |
| 105 | return 0; |
| 106 | } |
| 107 | |
Magnus Lilja | 6eeb6f7 | 2009-07-01 01:07:55 +0200 | [diff] [blame] | 108 | int checkboard(void) |
| 109 | { |
Fabio Estevam | 7450e2a | 2011-04-18 07:38:12 +0000 | [diff] [blame] | 110 | printf("Board: MX31PDK\n"); |
Magnus Lilja | 6eeb6f7 | 2009-07-01 01:07:55 +0200 | [diff] [blame] | 111 | return 0; |
| 112 | } |
Ben Warren | fbfdd3a | 2009-07-20 22:01:11 -0700 | [diff] [blame] | 113 | |
| 114 | int board_eth_init(bd_t *bis) |
| 115 | { |
| 116 | int rc = 0; |
| 117 | #ifdef CONFIG_SMC911X |
| 118 | rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); |
| 119 | #endif |
| 120 | return rc; |
| 121 | } |