diff options
Diffstat (limited to 'board/pxa255_idp/pxa_idp.c')
| -rw-r--r-- | board/pxa255_idp/pxa_idp.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/board/pxa255_idp/pxa_idp.c b/board/pxa255_idp/pxa_idp.c new file mode 100644 index 0000000..d5b993a --- /dev/null +++ b/board/pxa255_idp/pxa_idp.c @@ -0,0 +1,140 @@ +/* + * (C) Copyright 2002 + * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger <mgroeger@sysgo.de> + * + * (C) Copyright 2004 + * BEC Systems <http://bec-systems.com> + * Cliff Brake <cliff.brake@gmail.com> + * Support for Accelent/Vibren PXA255 IDP + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <command.h> + +/* ------------------------------------------------------------------------- */ + + +/* + * Miscelaneous platform dependent initialisations + */ + +int board_init (void) +{ + DECLARE_GLOBAL_DATA_PTR; + + /* memory and cpu-speed are setup before relocation */ + /* so we do _nothing_ here */ + + /* arch number of Lubbock-Board */ + gd->bd->bi_arch_number = MACH_TYPE_PXA_IDP; + + /* adress of boot parameters */ + gd->bd->bi_boot_params = 0xa0000100; + + /* turn on serial ports */ + *(volatile unsigned int *)(PXA_CS5_PHYS + 0x03C0002c) = 0x13; + + /* set PWM for LCD */ + /* a value that works is 60Hz, 77% duty cycle */ + CKEN |= CKEN0_PWM0; + PWM_CTRL0 = 0x3f; + PWM_PERVAL0 = 0x3ff; + PWM_PWDUTY0 = 792; + + /* clear reset to AC97 codec */ + CKEN |= CKEN2_AC97; + GCR = GCR_COLD_RST; + + /* enable LCD backlight */ + /* *(volatile unsigned int *)(PXA_CS5_PHYS + 0x03C00030) = 0x7; */ + + /* test display */ + /* lcd_puts("This is a test\nTest #2\n"); */ + + return 0; +} + +int board_late_init(void) +{ + setenv("stdout", "serial"); + setenv("stderr", "serial"); + return 0; +} + + +int dram_init (void) +{ + DECLARE_GLOBAL_DATA_PTR; + + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; + gd->bd->bi_dram[1].start = PHYS_SDRAM_2; + gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE; + gd->bd->bi_dram[2].start = PHYS_SDRAM_3; + gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE; + gd->bd->bi_dram[3].start = PHYS_SDRAM_4; + gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE; + + return 0; +} + + +#ifdef DEBUG_BLINKC_ENABLE + +void delay_c(void) +{ + /* reset OSCR to 0 */ + OSCR = 0; + while(OSCR > 0x10000) + ; + + while(OSCR < 0xd4000) + ; +} + +void blink_c(void) +{ + int led_bit = (1<<10); + + GPDR0 = led_bit; + GPCR0 = led_bit; + delay_c(); + GPSR0 = led_bit; + delay_c(); + GPCR0 = led_bit; +} + +int do_idpcmd(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + printf("IDPCMD started\n"); + return 0; +} + +U_BOOT_CMD(idpcmd, CFG_MAXARGS, 0, do_idpcmd, + "idpcmd - custom IDP command\n", + "no args at this time\n" +); + +#endif |