diff options
Diffstat (limited to 'u-boot/board/csb226/csb226.c')
| -rw-r--r-- | u-boot/board/csb226/csb226.c | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/u-boot/board/csb226/csb226.c b/u-boot/board/csb226/csb226.c new file mode 100644 index 0000000..dd29e62 --- /dev/null +++ b/u-boot/board/csb226/csb226.c @@ -0,0 +1,166 @@ +/* + * (C) Copyright 2002 + * Robert Schwebel, Pengutronix, r.schwebel@pengutronix.de + * Kyle Harris, Nexus Technologies, Inc., kharris@nexus-tech.net + * Marius Groeger, Sysgo Real-Time Solutions GmbH, mgroeger@sysgo.de + * + * 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 <netdev.h> +#include <asm/arch/pxa-regs.h> +#include <asm/io.h> + +DECLARE_GLOBAL_DATA_PTR; + +#ifdef CONFIG_SHOW_BOOT_PROGRESS +# define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg) +#else +# define SHOW_BOOT_PROGRESS(arg) +#endif + +/** + * misc_init_r: - misc initialisation routines + */ + +int misc_init_r(void) +{ +#if 0 + uchar *str; + + /* determine if the software update key is pressed during startup */ + /* not ported yet... */ + if (GPLR0 & 0x00000800) { + printf("using bootcmd_normal (sw-update button not pressed)\n"); + str = getenv("bootcmd_normal"); + } else { + printf("using bootcmd_update (sw-update button pressed)\n"); + str = getenv("bootcmd_update"); + } + + setenv("bootcmd",str); +#endif + return 0; +} + + +/** + * board_init: - setup some data structures + * + * @return: 0 in case of success + */ + +int board_init (void) +{ + /* We have RAM, disable cache */ + dcache_disable(); + icache_disable(); + + /* arch number of CSB226 board */ + gd->bd->bi_arch_number = MACH_TYPE_CSB226; + + /* adress of boot parameters */ + gd->bd->bi_boot_params = 0xa0000100; + + return 0; +} + + +extern void pxa_dram_init(void); +int dram_init(void) +{ + pxa_dram_init(); + gd->ram_size = PHYS_SDRAM_1_SIZE; + return 0; +} + +void dram_init_banksize(void) +{ + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; +} + +/** + * csb226_set_led: - switch LEDs on or off + * + * @param led: LED to switch (0,1,2) + * @param state: switch on (1) or off (0) + */ + +void csb226_set_led(int led, int state) +{ + switch(led) { + + case 0: if (state==1) { + writel(readl(GPCR0) | CSB226_USER_LED0, GPCR0); + } else if (state==0) { + writel(readl(GPSR0) | CSB226_USER_LED0, GPSR0); + } + break; + + case 1: if (state==1) { + writel(readl(GPCR0) | CSB226_USER_LED1, GPCR0); + } else if (state==0) { + writel(readl(GPSR0) | CSB226_USER_LED1, GPSR0); + } + break; + + case 2: if (state==1) { + writel(readl(GPCR0) | CSB226_USER_LED2, GPCR0); + } else if (state==0) { + writel(readl(GPSR0) | CSB226_USER_LED2, GPSR0); + } + break; + } + + return; +} + + +/** + * show_boot_progress: - indicate state of the boot process + * + * @param status: Status number - see README for details. + * + * The CSB226 does only have 3 LEDs, so we switch them on at the most + * important states (1, 5, 15). + */ + +void show_boot_progress (int status) +{ + switch(status) { + case 1: csb226_set_led(0,1); break; + case 5: csb226_set_led(1,1); break; + case 15: csb226_set_led(2,1); break; + } + + return; +} + +#ifdef CONFIG_CMD_NET +int board_eth_init(bd_t *bis) +{ + int rc = 0; +#ifdef CONFIG_CS8900 + rc = cs8900_initialize(0, CONFIG_CS8900_BASE); +#endif + return rc; +} +#endif |