Wolfgang Denk | e1ebacb | 2005-09-25 15:59:01 +0200 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2002 |
| 3 | * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net |
| 4 | * |
| 5 | * (C) Copyright 2002 |
| 6 | * Sysgo Real-Time Solutions, GmbH <www.elinos.com> |
| 7 | * Marius Groeger <mgroeger@sysgo.de> |
| 8 | * |
| 9 | * (C) Copyright 2004 |
| 10 | * BEC Systems <http://bec-systems.com> |
| 11 | * Cliff Brake <cliff.brake@gmail.com> |
| 12 | * Support for Accelent/Vibren PXA255 IDP |
| 13 | * |
| 14 | * See file CREDITS for list of people who contributed to this |
| 15 | * project. |
| 16 | * |
| 17 | * This program is free software; you can redistribute it and/or |
| 18 | * modify it under the terms of the GNU General Public License as |
| 19 | * published by the Free Software Foundation; either version 2 of |
| 20 | * the License, or (at your option) any later version. |
| 21 | * |
| 22 | * This program is distributed in the hope that it will be useful, |
| 23 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 24 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 25 | * GNU General Public License for more details. |
| 26 | * |
| 27 | * You should have received a copy of the GNU General Public License |
| 28 | * along with this program; if not, write to the Free Software |
| 29 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 30 | * MA 02111-1307 USA |
| 31 | */ |
| 32 | |
| 33 | #include <common.h> |
| 34 | #include <command.h> |
| 35 | |
Wolfgang Denk | 6405a15 | 2006-03-31 18:32:53 +0200 | [diff] [blame] | 36 | DECLARE_GLOBAL_DATA_PTR; |
Wolfgang Denk | e1ebacb | 2005-09-25 15:59:01 +0200 | [diff] [blame] | 37 | |
| 38 | /* |
| 39 | * Miscelaneous platform dependent initialisations |
| 40 | */ |
| 41 | |
| 42 | int board_init (void) |
| 43 | { |
Wolfgang Denk | e1ebacb | 2005-09-25 15:59:01 +0200 | [diff] [blame] | 44 | /* memory and cpu-speed are setup before relocation */ |
| 45 | /* so we do _nothing_ here */ |
| 46 | |
| 47 | /* arch number of Lubbock-Board */ |
| 48 | gd->bd->bi_arch_number = MACH_TYPE_PXA_IDP; |
| 49 | |
| 50 | /* adress of boot parameters */ |
| 51 | gd->bd->bi_boot_params = 0xa0000100; |
| 52 | |
| 53 | /* turn on serial ports */ |
| 54 | *(volatile unsigned int *)(PXA_CS5_PHYS + 0x03C0002c) = 0x13; |
| 55 | |
| 56 | /* set PWM for LCD */ |
| 57 | /* a value that works is 60Hz, 77% duty cycle */ |
| 58 | CKEN |= CKEN0_PWM0; |
| 59 | PWM_CTRL0 = 0x3f; |
| 60 | PWM_PERVAL0 = 0x3ff; |
| 61 | PWM_PWDUTY0 = 792; |
| 62 | |
| 63 | /* clear reset to AC97 codec */ |
| 64 | CKEN |= CKEN2_AC97; |
| 65 | GCR = GCR_COLD_RST; |
| 66 | |
| 67 | /* enable LCD backlight */ |
| 68 | /* *(volatile unsigned int *)(PXA_CS5_PHYS + 0x03C00030) = 0x7; */ |
| 69 | |
| 70 | /* test display */ |
| 71 | /* lcd_puts("This is a test\nTest #2\n"); */ |
| 72 | |
| 73 | return 0; |
| 74 | } |
| 75 | |
| 76 | int board_late_init(void) |
| 77 | { |
| 78 | setenv("stdout", "serial"); |
| 79 | setenv("stderr", "serial"); |
| 80 | return 0; |
| 81 | } |
| 82 | |
| 83 | |
| 84 | int dram_init (void) |
| 85 | { |
Wolfgang Denk | e1ebacb | 2005-09-25 15:59:01 +0200 | [diff] [blame] | 86 | gd->bd->bi_dram[0].start = PHYS_SDRAM_1; |
| 87 | gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; |
| 88 | gd->bd->bi_dram[1].start = PHYS_SDRAM_2; |
| 89 | gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE; |
| 90 | gd->bd->bi_dram[2].start = PHYS_SDRAM_3; |
| 91 | gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE; |
| 92 | gd->bd->bi_dram[3].start = PHYS_SDRAM_4; |
| 93 | gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE; |
| 94 | |
| 95 | return 0; |
| 96 | } |
| 97 | |
| 98 | |
| 99 | #ifdef DEBUG_BLINKC_ENABLE |
| 100 | |
| 101 | void delay_c(void) |
| 102 | { |
| 103 | /* reset OSCR to 0 */ |
| 104 | OSCR = 0; |
| 105 | while(OSCR > 0x10000) |
| 106 | ; |
| 107 | |
| 108 | while(OSCR < 0xd4000) |
| 109 | ; |
| 110 | } |
| 111 | |
| 112 | void blink_c(void) |
| 113 | { |
| 114 | int led_bit = (1<<10); |
| 115 | |
| 116 | GPDR0 = led_bit; |
| 117 | GPCR0 = led_bit; |
| 118 | delay_c(); |
| 119 | GPSR0 = led_bit; |
| 120 | delay_c(); |
| 121 | GPCR0 = led_bit; |
| 122 | } |
| 123 | |
| 124 | int do_idpcmd(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
| 125 | { |
| 126 | printf("IDPCMD started\n"); |
| 127 | return 0; |
| 128 | } |
| 129 | |
| 130 | U_BOOT_CMD(idpcmd, CFG_MAXARGS, 0, do_idpcmd, |
| 131 | "idpcmd - custom IDP command\n", |
| 132 | "no args at this time\n" |
| 133 | ); |
| 134 | |
| 135 | #endif |