/*
- * 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.
*/
#include <common.h>
-#include <asm/mem_init.h>
#include <asm/io.h>
#include "bf533-stamp.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)
{
printf("Board: ADI BF533 Stamp board\n");
return 0;
}
-long int initdram(int board_type)
+phys_size_t 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);
+ gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
+ gd->bd->bi_memsize = CONFIG_SYS_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;
- SSYNC();
- *pFIO_FLAG_S = PF0;
- SSYNC();
- } 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);
- SSYNC();
- } else {
- printf("Unknown bank to switch\n");
- }
-
- return;
+ bfin_write_FIO_DIR(bfin_read_FIO_DIR() | PF1 | PF0);
+ SSYNC();
+ bfin_write_FIO_FLAG_C(PF1);
+ if (device_id == ETHERNET)
+ bfin_write_FIO_FLAG_S(PF0);
+ else if (device_id == FLASH)
+ bfin_write_FIO_FLAG_C(PF0);
+ else
+ printf("Unknown device to switch\n");
+ SSYNC();
}
#if defined(CONFIG_MISC_INIT_R)
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++)
}
#endif
-void stamp_led_set(int LED1, int LED2, int LED3)
+#ifdef CONFIG_SHOW_BOOT_PROGRESS
+
+#define STATUS_LED_OFF 0
+#define STATUS_LED_ON 1
+
+static void stamp_led_set(int LED1, int LED2, int LED3)
{
- *pFIO_INEN &= ~(PF2 | PF3 | PF4);
- *pFIO_DIR |= (PF2 | PF3 | PF4);
+ bfin_write_FIO_INEN(bfin_read_FIO_INEN() & ~(PF2 | PF3 | PF4));
+ bfin_write_FIO_DIR(bfin_read_FIO_DIR() | (PF2 | PF3 | PF4));
if (LED1 == STATUS_LED_OFF)
*pFIO_FLAG_S = PF2;
break;
}
}
+#endif
+
+#ifdef CONFIG_STATUS_LED
+#include <status_led.h>
+
+static void set_led(int pf, int state)
+{
+ switch (state) {
+ case STATUS_LED_OFF: bfin_write_FIO_FLAG_S(pf); break;
+ case STATUS_LED_BLINKING: bfin_write_FIO_FLAG_T(pf); break;
+ case STATUS_LED_ON: bfin_write_FIO_FLAG_C(pf); break;
+ }
+}
+
+static void set_leds(led_id_t mask, int state)
+{
+ if (mask & 0x1) set_led(PF2, state);
+ if (mask & 0x2) set_led(PF3, state);
+ if (mask & 0x4) set_led(PF4, state);
+}
+
+void __led_init(led_id_t mask, int state)
+{
+ bfin_write_FIO_INEN(bfin_read_FIO_INEN() & ~(PF2 | PF3 | PF4));
+ bfin_write_FIO_DIR(bfin_read_FIO_DIR() | (PF2 | PF3 | PF4));
+}
+
+void __led_set(led_id_t mask, int state)
+{
+ set_leds(mask, state);
+}
+
+void __led_toggle(led_id_t mask)
+{
+ set_leds(mask, STATUS_LED_BLINKING);
+}
+
+#endif