/*
- * U-boot - stamp.c STAMP board specific routines
+ * U-boot - main board file
*
- * Copyright (c) 2005 blackfin.uclinux.org
+ * Copyright (c) 2005-2008 Analog Devices Inc.
*
* (C) Copyright 2000-2004
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* 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
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
*/
#include <common.h>
-#include <asm/mem_init.h>
+#include <netdev.h>
#include <asm/io.h>
#include "bf533-stamp.h"
-#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
+DECLARE_GLOBAL_DATA_PTR;
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)
+phys_size_t initdram(int board_type)
{
- DECLARE_GLOBAL_DATA_PTR;
-#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;
- 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;
+ 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++)
*/
*pFIO_FLAG_S = CF_PF0;
*pFIO_FLAG_C = CF_PF1;
- sync();
+ SSYNC();
*(addr) = val;
- sync();
+ SSYNC();
/* Setback PF1 PF0 to 0 0 to address external
* memory banks */
*(volatile unsigned short *)pFIO_FLAG_C = CF_PF1_PF0;
- sync();
+ SSYNC();
}
unsigned char cf_inb(volatile unsigned char *addr)
*pFIO_FLAG_S = CF_PF0;
*pFIO_FLAG_C = CF_PF1;
- sync();
+ SSYNC();
c = *(addr);
- sync();
+ SSYNC();
*pFIO_FLAG_C = CF_PF1_PF0;
- sync();
+ SSYNC();
return c;
}
*pFIO_FLAG_S = CF_PF0;
*pFIO_FLAG_C = CF_PF1;
- sync();
+ SSYNC();
for (i = 0; i < words; i++) {
*(sect_buf + i) = *(addr);
- sync();
+ SSYNC();
}
*pFIO_FLAG_C = CF_PF1_PF0;
- sync();
+ SSYNC();
}
void cf_outsw(unsigned short *addr, unsigned short *sect_buf, int words)
*pFIO_FLAG_S = CF_PF0;
*pFIO_FLAG_C = CF_PF1;
- sync();
+ SSYNC();
for (i = 0; i < words; i++) {
*(addr) = *(sect_buf + i);
- sync();
+ SSYNC();
}
*pFIO_FLAG_C = CF_PF1_PF0;
- sync();
+ SSYNC();
}
#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;
*pFIO_FLAG_S = PF4;
else
*pFIO_FLAG_C = PF4;
- sync();
+ SSYNC();
}
void show_boot_progress(int status)
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
+
+#ifdef CONFIG_SMC91111
+int board_eth_init(bd_t *bis)
+{
+ return smc91111_initialize(0, CONFIG_SMC91111_BASE);
+}
+#endif
projects / karo-tx-uboot.git / blobdiff