/*
- * U-boot - stamp.c STAMP board specific routines
+ * U-Boot - main board file
*
- * Copyright (c) 2005-2007 Analog Devices Inc.
+ * Copyright (c) 2005-2008 Analog Devices Inc.
*
* (C) Copyright 2000-2004
* Wolfgang Denk, DENX Software Engineering, wd@denx.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., 51 Franklin St, Fifth Floor, Boston,
- * MA 02110-1301 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
-#include <asm/mem_init.h>
-#include <asm/io.h>
-#include "bf533-stamp.h"
+#include <netdev.h>
+#include <asm/gpio.h>
DECLARE_GLOBAL_DATA_PTR;
-#define STATUS_LED_OFF 0
-#define STATUS_LED_ON 1
-
-#ifdef CONFIG_SHOW_BOOT_PROGRESS
-# define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
-#else
-# define SHOW_BOOT_PROGRESS(arg)
-#endif
-
int checkboard(void)
{
-#if (BFIN_CPU == ADSP_BF531)
- printf("CPU: ADSP BF531 Rev.: 0.%d\n", *pCHIPID >> 28);
-#elif (BFIN_CPU == ADSP_BF532)
- printf("CPU: ADSP BF532 Rev.: 0.%d\n", *pCHIPID >> 28);
-#else
- printf("CPU: ADSP BF533 Rev.: 0.%d\n", *pCHIPID >> 28);
-#endif
printf("Board: ADI BF533 Stamp board\n");
printf(" Support: http://blackfin.uclinux.org/\n");
return 0;
}
-long int initdram(int board_type)
-{
-#ifdef DEBUG
- printf("SDRAM attributes:\n");
- printf
- (" tRCD:%d Cycles; tRP:%d Cycles; tRAS:%d Cycles; tWR:%d Cycles; "
- "CAS Latency:%d cycles\n", (SDRAM_tRCD >> 15), (SDRAM_tRP >> 11),
- (SDRAM_tRAS >> 6), (SDRAM_tWR >> 19), (SDRAM_CL >> 2));
- printf("SDRAM Begin: 0x%x\n", CFG_SDRAM_BASE);
- printf("Bank size = %d MB\n", 128);
-#endif
- gd->bd->bi_memstart = CFG_SDRAM_BASE;
- gd->bd->bi_memsize = CFG_MAX_RAM_SIZE;
- return (gd->bd->bi_memsize);
-}
-
+/* PF0 and PF1 are used to switch between the ethernet and flash:
+ * PF0 PF1
+ * flash: 0 0
+ * ether: 1 0
+ */
void swap_to(int device_id)
{
-
- if (device_id == ETHERNET) {
- *pFIO_DIR = PF0;
- sync();
- *pFIO_FLAG_S = PF0;
- sync();
- } else if (device_id == FLASH) {
- *pFIO_DIR = (PF4 | PF3 | PF2 | PF1 | PF0);
- *pFIO_FLAG_S = (PF4 | PF3 | PF2);
- *pFIO_MASKA_D = (PF8 | PF6 | PF5);
- *pFIO_MASKB_D = (PF7);
- *pFIO_POLAR = (PF8 | PF6 | PF5);
- *pFIO_EDGE = (PF8 | PF7 | PF6 | PF5);
- *pFIO_INEN = (PF8 | PF7 | PF6 | PF5);
- *pFIO_FLAG_D = (PF4 | PF3 | PF2);
- sync();
- } else {
- printf("Unknown bank to switch\n");
- }
-
- return;
+ gpio_request(GPIO_PF0, "eth_flash_swap");
+ gpio_request(GPIO_PF1, "eth_flash_swap");
+ gpio_direction_output(GPIO_PF0, device_id == ETHERNET);
+ gpio_direction_output(GPIO_PF1, 0);
+ SSYNC();
}
#if defined(CONFIG_MISC_INIT_R)
/* miscellaneous platform dependent initialisations */
int misc_init_r(void)
{
- int i;
- int cf_stat = 0;
-
- /* Check whether CF card is inserted */
- *pFIO_EDGE = FIO_EDGE_CF_BITS;
- *pFIO_POLAR = FIO_POLAR_CF_BITS;
- for (i = 0; i < 0x300; i++)
- asm("nop;");
-
- if ((*pFIO_FLAG_S) & CF_STAT_BITS) {
- cf_stat = 0;
- } else {
- cf_stat = 1;
- }
-
- *pFIO_EDGE = FIO_EDGE_BITS;
- *pFIO_POLAR = FIO_POLAR_BITS;
-
- if (cf_stat) {
- printf("Booting from COMPACT flash\n");
-
- /* Set cycle time for CF */
- *(volatile unsigned long *)ambctl1 = CF_AMBCTL1VAL;
-
- for (i = 0; i < 0x1000; i++)
- asm("nop;");
- for (i = 0; i < 0x1000; i++)
- asm("nop;");
- for (i = 0; i < 0x1000; i++)
- asm("nop;");
-
- serial_setbrg();
- ide_init();
-
- setenv("bootargs", "");
- setenv("bootcmd",
- "fatload ide 0:1 0x1000000 uImage-stamp;bootm 0x1000000;bootm 0x20100000");
- } else {
- printf("Booting from FLASH\n");
- }
+#ifdef CONFIG_STAMP_CF
+ cf_ide_init();
+#endif
return 0;
}
#endif
-#ifdef CONFIG_STAMP_CF
-
-void cf_outb(unsigned char val, volatile unsigned char *addr)
-{
- /*
- * Set PF1 PF0 respectively to 0 1 to divert address
- * to the expansion memory banks
- */
- *pFIO_FLAG_S = CF_PF0;
- *pFIO_FLAG_C = CF_PF1;
- sync();
-
- *(addr) = val;
- sync();
-
- /* Setback PF1 PF0 to 0 0 to address external
- * memory banks */
- *(volatile unsigned short *)pFIO_FLAG_C = CF_PF1_PF0;
- sync();
-}
-
-unsigned char cf_inb(volatile unsigned char *addr)
-{
- volatile unsigned char c;
-
- *pFIO_FLAG_S = CF_PF0;
- *pFIO_FLAG_C = CF_PF1;
- sync();
-
- c = *(addr);
- sync();
-
- *pFIO_FLAG_C = CF_PF1_PF0;
- sync();
-
- return c;
-}
-
-void cf_insw(unsigned short *sect_buf, unsigned short *addr, int words)
-{
- int i;
-
- *pFIO_FLAG_S = CF_PF0;
- *pFIO_FLAG_C = CF_PF1;
- sync();
+#ifdef CONFIG_SHOW_BOOT_PROGRESS
- for (i = 0; i < words; i++) {
- *(sect_buf + i) = *(addr);
- sync();
- }
+#define CONFIG_LED_STATUS_OFF 0
+#define CONFIG_LED_STATUS_ON 1
- *pFIO_FLAG_C = CF_PF1_PF0;
- sync();
-}
+static int gpio_setup;
-void cf_outsw(unsigned short *addr, unsigned short *sect_buf, int words)
+static void stamp_led_set(int LED1, int LED2, int LED3)
{
- int i;
-
- *pFIO_FLAG_S = CF_PF0;
- *pFIO_FLAG_C = CF_PF1;
- sync();
-
- for (i = 0; i < words; i++) {
- *(addr) = *(sect_buf + i);
- sync();
+ if (!gpio_setup) {
+ gpio_request(GPIO_PF2, "boot_progress");
+ gpio_request(GPIO_PF3, "boot_progress");
+ gpio_request(GPIO_PF4, "boot_progress");
+ gpio_direction_output(GPIO_PF2, LED1);
+ gpio_direction_output(GPIO_PF3, LED2);
+ gpio_direction_output(GPIO_PF4, LED3);
+ gpio_setup = 1;
+ } else {
+ gpio_set_value(GPIO_PF2, LED1);
+ gpio_set_value(GPIO_PF3, LED2);
+ gpio_set_value(GPIO_PF4, LED3);
}
-
- *pFIO_FLAG_C = CF_PF1_PF0;
- sync();
-}
-#endif
-
-void stamp_led_set(int LED1, int LED2, int LED3)
-{
- *pFIO_INEN &= ~(PF2 | PF3 | PF4);
- *pFIO_DIR |= (PF2 | PF3 | PF4);
-
- if (LED1 == STATUS_LED_OFF)
- *pFIO_FLAG_S = PF2;
- else
- *pFIO_FLAG_C = PF2;
- if (LED2 == STATUS_LED_OFF)
- *pFIO_FLAG_S = PF3;
- else
- *pFIO_FLAG_C = PF3;
- if (LED3 == STATUS_LED_OFF)
- *pFIO_FLAG_S = PF4;
- else
- *pFIO_FLAG_C = PF4;
- sync();
}
void show_boot_progress(int status)
{
switch (status) {
- case 1:
- stamp_led_set(STATUS_LED_OFF, STATUS_LED_OFF, STATUS_LED_ON);
+ case BOOTSTAGE_ID_CHECK_MAGIC:
+ stamp_led_set(CONFIG_LED_STATUS_OFF, CONFIG_LED_STATUS_OFF,
+ CONFIG_LED_STATUS_ON);
break;
- case 2:
- stamp_led_set(STATUS_LED_OFF, STATUS_LED_ON, STATUS_LED_OFF);
+ case BOOTSTAGE_ID_CHECK_HEADER:
+ stamp_led_set(CONFIG_LED_STATUS_OFF, CONFIG_LED_STATUS_ON,
+ CONFIG_LED_STATUS_OFF);
break;
- case 3:
- stamp_led_set(STATUS_LED_OFF, STATUS_LED_ON, STATUS_LED_ON);
+ case BOOTSTAGE_ID_CHECK_CHECKSUM:
+ stamp_led_set(CONFIG_LED_STATUS_OFF, CONFIG_LED_STATUS_ON,
+ CONFIG_LED_STATUS_ON);
break;
- case 4:
- stamp_led_set(STATUS_LED_ON, STATUS_LED_OFF, STATUS_LED_OFF);
+ case BOOTSTAGE_ID_CHECK_ARCH:
+ stamp_led_set(CONFIG_LED_STATUS_ON, CONFIG_LED_STATUS_OFF,
+ CONFIG_LED_STATUS_OFF);
break;
- case 5:
- case 6:
- stamp_led_set(STATUS_LED_ON, STATUS_LED_OFF, STATUS_LED_ON);
+ case BOOTSTAGE_ID_CHECK_IMAGETYPE:
+ case BOOTSTAGE_ID_DECOMP_IMAGE:
+ stamp_led_set(CONFIG_LED_STATUS_ON, CONFIG_LED_STATUS_OFF,
+ CONFIG_LED_STATUS_ON);
break;
- case 7:
- case 8:
- stamp_led_set(STATUS_LED_ON, STATUS_LED_ON, STATUS_LED_OFF);
+ case BOOTSTAGE_ID_KERNEL_LOADED:
+ case BOOTSTAGE_ID_CHECK_BOOT_OS:
+ stamp_led_set(CONFIG_LED_STATUS_ON, CONFIG_LED_STATUS_ON,
+ CONFIG_LED_STATUS_OFF);
break;
- case 9:
- case 10:
- case 11:
- case 12:
- case 13:
- case 14:
- case 15:
- stamp_led_set(STATUS_LED_OFF, STATUS_LED_OFF, STATUS_LED_OFF);
+ case BOOTSTAGE_ID_BOOT_OS_RETURNED:
+ case BOOTSTAGE_ID_RD_MAGIC:
+ case BOOTSTAGE_ID_RD_HDR_CHECKSUM:
+ case BOOTSTAGE_ID_RD_CHECKSUM:
+ case BOOTSTAGE_ID_RAMDISK:
+ case BOOTSTAGE_ID_NO_RAMDISK:
+ case BOOTSTAGE_ID_RUN_OS:
+ stamp_led_set(CONFIG_LED_STATUS_OFF, CONFIG_LED_STATUS_OFF,
+ CONFIG_LED_STATUS_OFF);
break;
default:
- stamp_led_set(STATUS_LED_ON, STATUS_LED_ON, STATUS_LED_ON);
+ stamp_led_set(CONFIG_LED_STATUS_ON, CONFIG_LED_STATUS_ON,
+ CONFIG_LED_STATUS_ON);
break;
}
}
+#endif
+
+#ifdef CONFIG_SMC91111
+int board_eth_init(bd_t *bis)
+{
+ return smc91111_initialize(0, CONFIG_SMC91111_BASE);
+}
+#endif
projects / platform / kernel / u-boot.git / blobdiff