BUBINGA405EP port fixed.

4 files changed, 139 insertions, 36 deletions

diff --git a/board/bubinga405ep/bubinga405ep.c b/board/bubinga405ep/bubinga405ep.c
index eb9baf4..8694ebe 100644
--- a/board/bubinga405ep/bubinga405ep.c
+++ b/board/bubinga405ep/bubinga405ep.c
@@ -23,7 +23,6 @@
 long int spd_sdram (void);
 
 #include <common.h>
-#include "bubinga405ep.h"
 #include <asm/processor.h>
 
 
@@ -82,18 +81,11 @@ int checkboard (void)
 	unsigned char *s = getenv ("serial#");
 	unsigned char *e;
 
-	puts ("Board: ");
-
-	if (!s || strncmp (s, "BUBINGA405EP", 9)) {
-		puts ("### No HW ID - assuming WALNUT405");
-	} else {
-		for (e = s; *e; ++e) {
-			if (*e == ' ')
-				break;
-		}
-		for (; s < e; ++s) {
-			putc (*s);
-		}
+	puts ("Board: IBM 405EP Eval Board");
+
+	if (s != NULL) {
+		puts (", serial# ");
+		puts (s);
 	}
 	putc ('\n');
 
diff --git a/board/bubinga405ep/flash.c b/board/bubinga405ep/flash.c
index 6a9907c..d4bd7ee 100644
--- a/board/bubinga405ep/flash.c
+++ b/board/bubinga405ep/flash.c
@@ -101,6 +101,11 @@ unsigned long flash_init (void)
 				FLASH_BASE0_PRELIM,
 				FLASH_BASE0_PRELIM+CFG_MONITOR_LEN-1,
 				&flash_info[0]);
+	    /* Also protect sector containing initial power-up instruction */
+	    (void)flash_protect(FLAG_PROTECT_SET,
+				0xFFFFFFFC,
+				0xFFFFFFFF,
+				&flash_info[0]);
 	    size_b1 = 0 ;
 	    flash_info[0].size = size_b0;
 	  }
@@ -143,6 +148,16 @@ unsigned long flash_init (void)
 				base_b0+size_b0-CFG_MONITOR_LEN,
 				base_b0+size_b0-1,
 				&flash_info[0]);
+	    /* Also protect sector containing initial power-up instruction */
+	    /* (flash_protect() checks address range - other call ignored) */
+	    (void)flash_protect(FLAG_PROTECT_SET,
+				0xFFFFFFFC,
+				0xFFFFFFFF,
+				&flash_info[0]);
+	    (void)flash_protect(FLAG_PROTECT_SET,
+				0xFFFFFFFC,
+				0xFFFFFFFF,
+				&flash_info[1]);
 
 	    if (size_b1) {
 	      /* Re-do sizing to get full correct info */
@@ -493,18 +508,18 @@ int wait_for_DQ7(flash_info_t *info, int sect)
 	volatile FLASH_WORD_SIZE *addr = (FLASH_WORD_SIZE *)(info->start[sect]);
 
 	start = get_timer (0);
-    last  = start;
-    while ((addr[0] & (FLASH_WORD_SIZE)0x00800080) != (FLASH_WORD_SIZE)0x00800080) {
-	if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
-	    printf ("Timeout\n");
-	    return -1;
-	}
-	/* show that we're waiting */
-	if ((now - last) > 1000) {  /* every second */
-	    putc ('.');
-	    last = now;
+	last  = 0;
+	while ((addr[0] & (FLASH_WORD_SIZE)0x00800080) != (FLASH_WORD_SIZE)0x00800080) {
+		if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
+			printf ("Timeout\n");
+			return -1;
+		}
+		/* show that we're waiting */
+		if ((now - last) > 1000) {  /* every second */
+			putc ('.');
+			last = now;
+		}
 	}
-    }
 	return 0;
 }
 
diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S
index 215a925..e25101a 100644
--- a/cpu/ppc4xx/start.S
+++ b/cpu/ppc4xx/start.S
@@ -1384,14 +1384,94 @@ trap_reloc:
 /**************************************************************************/
 #ifdef CONFIG_405EP
 ppc405ep_init:
+
+#ifdef CONFIG_BUBINGA405EP
+	/*
+	 * Initialize EBC chip selects 1 & 4 and GPIO pins (for alternate
+	 * function) to support FPGA and NVRAM accesses below.
+	 */
+
+	lis	r3,GPIO0_OSRH@h		/* config GPIO output select */
+	ori	r3,r3,GPIO0_OSRH@l
+	lis	r4,CFG_GPIO0_OSRH@h
+	ori	r4,r4,CFG_GPIO0_OSRH@l
+	stw	r4,0(r3)
+	lis	r3,GPIO0_OSRL@h
+	ori	r3,r3,GPIO0_OSRL@l
+	lis	r4,CFG_GPIO0_OSRL@h
+	ori	r4,r4,CFG_GPIO0_OSRL@l
+	stw	r4,0(r3)
+
+	lis	r3,GPIO0_ISR1H@h	/* config GPIO input select */
+	ori	r3,r3,GPIO0_ISR1H@l
+	lis	r4,CFG_GPIO0_ISR1H@h
+	ori	r4,r4,CFG_GPIO0_ISR1H@l
+	stw	r4,0(r3)
+	lis	r3,GPIO0_ISR1L@h
+	ori	r3,r3,GPIO0_ISR1L@l
+	lis	r4,CFG_GPIO0_ISR1L@h
+	ori	r4,r4,CFG_GPIO0_ISR1L@l
+	stw	r4,0(r3)
+
+	lis	r3,GPIO0_TSRH@h		/* config GPIO three-state select */
+	ori	r3,r3,GPIO0_TSRH@l
+	lis	r4,CFG_GPIO0_TSRH@h
+	ori	r4,r4,CFG_GPIO0_TSRH@l
+	stw	r4,0(r3)
+	lis	r3,GPIO0_TSRL@h
+	ori	r3,r3,GPIO0_TSRL@l
+	lis	r4,CFG_GPIO0_TSRL@h
+	ori	r4,r4,CFG_GPIO0_TSRL@l
+	stw	r4,0(r3)
+
+	lis	r3,GPIO0_TCR@h		/* config GPIO driver output enables */
+	ori	r3,r3,GPIO0_TCR@l
+	lis	r4,CFG_GPIO0_TCR@h
+	ori	r4,r4,CFG_GPIO0_TCR@l
+	stw	r4,0(r3)
+
+	li	r3,pb1ap		/* program EBC bank 1 for RTC access */
+	mtdcr	ebccfga,r3
+	lis	r3,CFG_EBC_PB1AP@h
+	ori	r3,r3,CFG_EBC_PB1AP@l
+	mtdcr	ebccfgd,r3
+	li	r3,pb1cr
+	mtdcr	ebccfga,r3
+	lis	r3,CFG_EBC_PB1CR@h
+	ori	r3,r3,CFG_EBC_PB1CR@l
+	mtdcr	ebccfgd,r3
+
+	li	r3,pb1ap		/* program EBC bank 1 for RTC access */
+	mtdcr	ebccfga,r3
+	lis	r3,CFG_EBC_PB1AP@h
+	ori	r3,r3,CFG_EBC_PB1AP@l
+	mtdcr	ebccfgd,r3
+	li	r3,pb1cr
+	mtdcr	ebccfga,r3
+	lis	r3,CFG_EBC_PB1CR@h
+	ori	r3,r3,CFG_EBC_PB1CR@l
+	mtdcr	ebccfgd,r3
+
+	li	r3,pb4ap		/* program EBC bank 4 for FPGA access */
+	mtdcr	ebccfga,r3
+	lis	r3,CFG_EBC_PB4AP@h
+	ori	r3,r3,CFG_EBC_PB4AP@l
+	mtdcr	ebccfgd,r3
+	li	r3,pb4cr
+	mtdcr	ebccfga,r3
+	lis	r3,CFG_EBC_PB4CR@h
+	ori	r3,r3,CFG_EBC_PB4CR@l
+	mtdcr	ebccfgd,r3
+#endif
+
+	addi    r3,0,CPC0_PCI_HOST_CFG_EN
+#ifdef CONFIG_BUBINGA405EP
 	/*
 	!-----------------------------------------------------------------------
 	! Check FPGA for PCI internal/external arbitration
 	!   If board is set to internal arbitration, update cpc0_pci
 	!-----------------------------------------------------------------------
 	*/
-	addi    r3,0,CPC0_PCI_HOST_CFG_EN
-#ifdef CONFIG_BUBINGA405EP
 	addis   r5,r0,FPGA_REG1@h      /* set offset for FPGA_REG1 */
 	ori     r5,r5,FPGA_REG1@l
 	lbz     r5,0x0(r5)              /* read to get PCI arb selection */
diff --git a/include/configs/BUBINGA405EP.h b/include/configs/BUBINGA405EP.h
index 99fcbae..a485e4e 100644
--- a/include/configs/BUBINGA405EP.h
+++ b/include/configs/BUBINGA405EP.h
@@ -30,6 +30,7 @@
 
 /* Debug options */
 /*#define __DEBUG_START_FROM_SRAM__ */
+/*#define DEBUG	1*/
 
 
 /*
@@ -148,13 +149,21 @@
 */
 
 #define CONFIG_COMMANDS	       (CONFIG_CMD_DFL	| \
-				CFG_CMD_PCI	| \
+				CFG_CMD_CACHE	| \
+				CFG_CMD_DATE	| \
+				CFG_CMD_DHCP	| \
+				CFG_CMD_EEPROM	| \
+				CFG_CMD_ELF	| \
+				CFG_CMD_I2C	| \
 				CFG_CMD_IRQ	| \
 				CFG_CMD_KGDB	| \
-				CFG_CMD_DHCP	| \
-				CFG_CMD_DATE	| \
-				CFG_CMD_DATE	| \
-				CFG_CMD_ELF	)
+				CFG_CMD_MII	| \
+				CFG_CMD_NET	| \
+				CFG_CMD_PCI	| \
+				CFG_CMD_PING	| \
+				CFG_CMD_REGINFO	| \
+				CFG_CMD_SDRAM	| \
+				0		)
 
 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
 #include <cmd_confdefs.h>
@@ -207,6 +216,14 @@
 #define CFG_I2C_SPEED		400000	/* I2C speed and slave address	*/
 #define CFG_I2C_SLAVE		0x7F
 
+#define CFG_I2C_NOPROBES	{ 0x69 }	/* avoid iprobe hangup (why?) */
+#define CFG_EEPROM_PAGE_WRITE_DELAY_MS	6	/* 24C02 requires 5ms delay */
+
+#if (CONFIG_COMMANDS & CFG_CMD_EEPROM)
+#define CFG_I2C_EEPROM_ADDR	0x50	/* I2C boot EEPROM (24C02W)	*/
+#define CFG_I2C_EEPROM_ADDR_LEN	1	/* Bytes of address		*/
+#endif
+
 
 /*-----------------------------------------------------------------------
  * PCI stuff
@@ -220,9 +237,11 @@
 #define CONFIG_PCI_HOST	PCI_HOST_FORCE  /* select pci host function     */
 #define CONFIG_PCI_PNP			/* do pci plug-and-play         */
 					/* resource configuration       */
+#define CONFIG_PCI_SCAN_SHOW            /* show pci devices on startup  */
 
-#define CFG_PCI_SUBSYS_VENDORID 0x0000  /* PCI Vendor ID: to-do!!!      */
+#define CFG_PCI_SUBSYS_VENDORID 0x1014  /* IBM */
 #define CFG_PCI_SUBSYS_DEVICEID 0x0000  /* PCI Device ID: to-do!!!      */
+#define CFG_PCI_CLASSCODE       0x0600  /* PCI Class Code: bridge/host  */
 #define CFG_PCI_PTM1LA  0x00000000      /* point to sdram               */
 #define CFG_PCI_PTM1MS  0x80000001      /* 2GB, enable hard-wired to 1  */
 #define CFG_PCI_PTM1PCI 0x00000000      /* Host: use this pci address   */
@@ -291,7 +310,7 @@
 #define CFG_NVRAM_SIZE		0x1ff8		/* NVRAM size	*/
 
 #ifdef CFG_ENV_IS_IN_NVRAM
-#define CFG_ENV_SIZE		0x1000		/* Size of Environment vars	*/
+#define CFG_ENV_SIZE		0x0ff8		/* Size of Environment vars	*/
 #define CFG_ENV_ADDR		\
 	(CFG_NVRAM_BASE_ADDR+CFG_NVRAM_SIZE-CFG_ENV_SIZE)	/* Env	*/
 #endif
@@ -314,9 +333,6 @@
 #define FLASH_BASE1_PRELIM	0		/* FLASH bank #1	*/
 
 
-/* Configuration Port location */
-#define CONFIG_PORT_ADDR	0xF0000500
-
 /*-----------------------------------------------------------------------
  * Definitions for initial stack pointer and data area (in data cache)
  */