Merge with /home/stefan/git/u-boot/bamboo-nand

6 files changed, 123 insertions, 109 deletions

diff --git a/board/amcc/bamboo/Makefile b/board/amcc/bamboo/Makefile
index 5da96e9..d01cc49 100644
--- a/board/amcc/bamboo/Makefile
+++ b/board/amcc/bamboo/Makefile
@@ -1,5 +1,5 @@
 #
-# (C) Copyright 2002-2006
+# (C) Copyright 2002-2007
 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 #
 # See file CREDITS for list of people who contributed to this
@@ -33,7 +33,7 @@ OBJS	:= $(addprefix $(obj),$(COBJS))
 SOBJS	:= $(addprefix $(obj),$(SOBJS))
 
 $(LIB):	$(OBJS) $(SOBJS)
-	$(AR) $(ARFLAGS) $@ $(OBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
 
 clean:
 	rm -f $(SOBJS) $(OBJS)
diff --git a/board/amcc/bamboo/bamboo.c b/board/amcc/bamboo/bamboo.c
index 6260b01..2e651df 100644
--- a/board/amcc/bamboo/bamboo.c
+++ b/board/amcc/bamboo/bamboo.c
@@ -1,5 +1,5 @@
 /*
- * (C) Copyright 2005
+ * (C) Copyright 2005-2007
  * Stefan Roese, DENX Software Engineering, sr@denx.de.
  *
  * See file CREDITS for list of people who contributed to this
@@ -291,6 +291,7 @@ int checkboard(void)
 	return (0);
 }
 
+#if !(defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL))
 /*************************************************************************
  *
  * init_spd_array -- Bamboo has one bank onboard sdram (plus DIMM)
@@ -345,10 +346,12 @@ static void init_spd_array(void)
 	cfg_simulate_spd_eeprom[25]    = 0x00;    /* SDRAM Cycle Time (cas latency 1.5) = N.A */
 	cfg_simulate_spd_eeprom[12]    = 0x82;    /* refresh Rate Type: Normal (15.625us) + Self refresh */
 }
+#endif
 
 long int initdram (int board_type)
 {
-	long dram_size = 0;
+#if !(defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL))
+	long dram_size;
 
 	/*
 	 * First write simulated values in eeprom array for onboard bank 0
@@ -358,6 +361,9 @@ long int initdram (int board_type)
 	dram_size = spd_sdram();
 
 	return dram_size;
+#else
+	return CFG_MBYTES_SDRAM << 20;
+#endif
 }
 
 #if defined(CFG_DRAM_TEST)
@@ -881,11 +887,11 @@ void ext_bus_cntlr_init(void)
 		/*------------------------------------------------------------------------- */
 	case BOOT_FROM_NAND_FLASH0:
 		/*------------------------------------------------------------------------- */
-		ebc0_cs0_bnap_value = 0;
-		ebc0_cs0_bncr_value = 0;
+		ebc0_cs0_bnap_value = EBC0_BNAP_NAND_FLASH;
+		ebc0_cs0_bncr_value = EBC0_BNCR_NAND_FLASH_CS1;
 
-		ebc0_cs1_bnap_value = EBC0_BNAP_NAND_FLASH;
-		ebc0_cs1_bncr_value = EBC0_BNCR_NAND_FLASH_CS1;
+		ebc0_cs1_bnap_value = 0;
+		ebc0_cs1_bncr_value = 0;
 		ebc0_cs2_bnap_value = 0;
 		ebc0_cs2_bncr_value = 0;
 		ebc0_cs3_bnap_value = 0;
@@ -1409,10 +1415,10 @@ void update_ndfc_ios(void)
 	gpio_tab[GPIO0][6].in_out = GPIO_OUT;	    /* EBC_CS_N(1) */
 	gpio_tab[GPIO0][6].alt_nb = GPIO_ALT1;
 
-#if 0
 	gpio_tab[GPIO0][7].in_out = GPIO_OUT;	    /* EBC_CS_N(2) */
 	gpio_tab[GPIO0][7].alt_nb = GPIO_ALT1;
 
+#if 0
 	gpio_tab[GPIO0][7].in_out = GPIO_OUT;	    /* EBC_CS_N(3) */
 	gpio_tab[GPIO0][7].alt_nb = GPIO_ALT1;
 #endif
@@ -1900,12 +1906,21 @@ void configure_ppc440ep_pins(void)
 	{
 		update_ndfc_ios();
 
+#if !(defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL))
 		mtsdr(sdr_cust0, SDR0_CUST0_MUX_NDFC_SEL   |
 		      SDR0_CUST0_NDFC_ENABLE	|
 		      SDR0_CUST0_NDFC_BW_8_BIT	|
 		      SDR0_CUST0_NDFC_ARE_MASK	|
 		      SDR0_CUST0_CHIPSELGAT_EN1 |
 		      SDR0_CUST0_CHIPSELGAT_EN2);
+#else
+		mtsdr(sdr_cust0, SDR0_CUST0_MUX_NDFC_SEL   |
+		      SDR0_CUST0_NDFC_ENABLE	|
+		      SDR0_CUST0_NDFC_BW_8_BIT	|
+		      SDR0_CUST0_NDFC_ARE_MASK	|
+		      SDR0_CUST0_CHIPSELGAT_EN0 |
+		      SDR0_CUST0_CHIPSELGAT_EN2);
+#endif
 
 		ndfc_selection_in_fpga();
 	}
diff --git a/board/amcc/bamboo/config.mk b/board/amcc/bamboo/config.mk
index 9d7f4c3..b46527d 100644
--- a/board/amcc/bamboo/config.mk
+++ b/board/amcc/bamboo/config.mk
@@ -1,5 +1,5 @@
 #
-# (C) Copyright 2002-2006
+# (C) Copyright 2002-2007
 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 #
 # See file CREDITS for list of people who contributed to this
@@ -21,7 +21,11 @@
 # MA 02111-1307 USA
 #
 
+sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp
+
+ifndef TEXT_BASE
 TEXT_BASE = 0xFFFA0000
+endif
 
 PLATFORM_CPPFLAGS += -DCONFIG_440=1
 
diff --git a/board/amcc/bamboo/flash.c b/board/amcc/bamboo/flash.c
index a30ab7a..8a2e832 100644
--- a/board/amcc/bamboo/flash.c
+++ b/board/amcc/bamboo/flash.c
@@ -53,7 +53,7 @@ flash_info_t flash_info[CFG_MAX_FLASH_BANKS];	/* info for FLASH chips        */
 static unsigned long flash_addr_table[][CFG_MAX_FLASH_BANKS] = {
 	{0x87800001, 0xFFF00000, 0xFFF80000}, /* 0:boot from small flash */
 	{0x00000000, 0x00000000, 0x00000000}, /* 1:boot from pci 66      */
-	{0x00000000, 0x00000000, 0x00000000}, /* 2:boot from nand flash  */
+	{0x87800001, 0x00000000, 0x00000000}, /* 0:boot from nand flash  */
 	{0x87F00000, 0x87F80000, 0xFFC00001}, /* 3:boot from big flash 33*/
 	{0x87F00000, 0x87F80000, 0xFFC00001}, /* 4:boot from big flash 66*/
 	{0x00000000, 0x00000000, 0x00000000}, /* 5:boot from             */
@@ -134,10 +134,10 @@ unsigned long flash_init(void)
 		flash_info[i].size = 0;
 
 		/* check whether the address is 0 */
-		if (flash_addr_table[index][i] == 0) {
+		if (flash_addr_table[index][i] == 0)
 			continue;
-		}
 
+		DEBUGF("Detection bank %d...\n", i);
 		/* call flash_get_size() to initialize sector address */
 		size_b[i] = flash_get_size((vu_long *) flash_addr_table[index][i],
 				   &flash_info[i]);
diff --git a/board/amcc/bamboo/init.S b/board/amcc/bamboo/init.S
index 7820107..1459eec 100644
--- a/board/amcc/bamboo/init.S
+++ b/board/amcc/bamboo/init.S
@@ -1,74 +1,31 @@
 /*
-*
-* 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
-*/
+ * (C) Copyright 2007
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
+ *  Copyright (C) 2002 Scott McNutt <smcnutt@artesyncp.com>
+ *
+ * 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 <ppc_asm.tmpl>
 #include <config.h>
-
-/* General */
-#define TLB_VALID   0x00000200
-
-/* Supported page sizes */
-
-#define SZ_1K	    0x00000000
-#define SZ_4K	    0x00000010
-#define SZ_16K	    0x00000020
-#define SZ_64K	    0x00000030
-#define SZ_256K	    0x00000040
-#define SZ_1M	    0x00000050
-#define SZ_8M       0x00000060
-#define SZ_16M	    0x00000070
-#define SZ_256M	    0x00000090
-
-/* Storage attributes */
-#define SA_W	    0x00000800	    /* Write-through */
-#define SA_I	    0x00000400	    /* Caching inhibited */
-#define SA_M	    0x00000200	    /* Memory coherence */
-#define SA_G	    0x00000100	    /* Guarded */
-#define SA_E	    0x00000080	    /* Endian */
-
-/* Access control */
-#define AC_X	    0x00000024	    /* Execute */
-#define AC_W	    0x00000012	    /* Write */
-#define AC_R	    0x00000009	    /* Read */
-
-/* Some handy macros */
-
-#define EPN(e)		((e) & 0xfffffc00)
-#define TLB0(epn,sz)	( (EPN((epn)) | (sz) | TLB_VALID ) )
-#define TLB1(rpn,erpn)	( ((rpn)&0xfffffc00) | (erpn) )
-#define TLB2(a)		( (a)&0x00000fbf )
-
-#define tlbtab_start\
-	mflr    r1  ;\
-	bl 0f	    ;
-
-#define tlbtab_end\
-	.long 0, 0, 0	;   \
-0:	mflr    r0	;   \
-	mtlr    r1	;   \
-	blr		;
-
-#define tlbentry(epn,sz,rpn,erpn,attr)\
-	.long TLB0(epn,sz),TLB1(rpn,erpn),TLB2(attr)
-
+#include <asm-ppc/mmu.h>
 
 /**************************************************************************
  * TLB TABLE
@@ -80,34 +37,68 @@
  *  Pointer to the table is returned in r1
  *
  *************************************************************************/
-
-    .section .bootpg,"ax"
-    .globl tlbtab
+	.section .bootpg,"ax"
+	.globl tlbtab
 
 tlbtab:
-    tlbtab_start
-
-    /*
-     * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use the
-     * speed up boot process. It is patched after relocation to enable SA_I
-     */
-    tlbentry( CFG_BOOT_BASE_ADDR, SZ_256M, CFG_BOOT_BASE_ADDR, 0, AC_R|AC_W|AC_X|SA_G/*|SA_I*/)
-
-    /* TLB-entry for init-ram in dcache (SA_I must be turned off!) */
-    tlbentry( CFG_INIT_RAM_ADDR, SZ_64K, CFG_INIT_RAM_ADDR, 0, AC_R|AC_W|AC_X|SA_G )
-
-    tlbentry( CFG_SDRAM_BASE, SZ_256M, CFG_SDRAM_BASE, 0, AC_R|AC_W|AC_X|SA_G|SA_I )
-    tlbentry( CFG_PCI_BASE, SZ_256M, CFG_PCI_BASE, 0, AC_R|AC_W|SA_G|SA_I )
-    tlbentry( CFG_NVRAM_BASE_ADDR, SZ_256M, CFG_NVRAM_BASE_ADDR, 0, AC_R|AC_W|AC_X|SA_W|SA_I )
-    tlbentry( CFG_NAND_ADDR, SZ_256M, CFG_NAND_ADDR, 0, AC_R|AC_W|AC_X|SA_W|SA_I )
-
-    /* PCI */
-    tlbentry( CFG_PCI_MEMBASE, SZ_256M, CFG_PCI_MEMBASE, 0, AC_R|AC_W|SA_G|SA_I )
-    tlbentry( CFG_PCI_MEMBASE1, SZ_256M, CFG_PCI_MEMBASE1, 0, AC_R|AC_W|SA_G|SA_I )
-    tlbentry( CFG_PCI_MEMBASE2, SZ_256M, CFG_PCI_MEMBASE2, 0, AC_R|AC_W|SA_G|SA_I )
-    tlbentry( CFG_PCI_MEMBASE3, SZ_256M, CFG_PCI_MEMBASE3, 0, AC_R|AC_W|SA_G|SA_I )
-
-    /* USB 2.0 Device */
-    tlbentry( CFG_USB_DEVICE, SZ_1K, CFG_USB_DEVICE, 0, AC_R|AC_W|SA_G|SA_I )
-
-    tlbtab_end
+	tlbtab_start
+
+	/*
+	 * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use the
+	 * speed up boot process. It is patched after relocation to enable SA_I
+	 */
+#ifndef CONFIG_NAND_SPL
+	tlbentry(CFG_BOOT_BASE_ADDR, SZ_256M, CFG_BOOT_BASE_ADDR, 0, AC_R|AC_W|AC_X|SA_G)
+#else
+	tlbentry(CFG_NAND_BOOT_SPL_SRC, SZ_4K, CFG_NAND_BOOT_SPL_SRC, 0, AC_R|AC_W|AC_X|SA_G)
+#endif
+
+	/* TLB-entry for init-ram in dcache (SA_I must be turned off!) */
+	tlbentry(CFG_INIT_RAM_ADDR, SZ_4K, CFG_INIT_RAM_ADDR, 0, AC_R|AC_W|AC_X|SA_G)
+
+	tlbentry(CFG_SDRAM_BASE, SZ_256M, CFG_SDRAM_BASE, 0, AC_R|AC_W|AC_X|SA_G|SA_I)
+
+	/* PCI base & peripherals */
+	tlbentry(CFG_PCI_BASE, SZ_256M, CFG_PCI_BASE, 0, AC_R|AC_W|SA_G|SA_I)
+
+	tlbentry(CFG_NVRAM_BASE_ADDR, SZ_256M, CFG_NVRAM_BASE_ADDR, 0, AC_R|AC_W|AC_X|SA_W|SA_I)
+	tlbentry(CFG_NAND_ADDR, SZ_4K, CFG_NAND_ADDR, 0, AC_R|AC_W|AC_X|SA_W|SA_I)
+
+	/* PCI */
+	tlbentry(CFG_PCI_MEMBASE, SZ_256M, CFG_PCI_MEMBASE, 0, AC_R|AC_W|SA_G|SA_I)
+	tlbentry(CFG_PCI_MEMBASE1, SZ_256M, CFG_PCI_MEMBASE1, 0, AC_R|AC_W|SA_G|SA_I)
+	tlbentry(CFG_PCI_MEMBASE2, SZ_256M, CFG_PCI_MEMBASE2, 0, AC_R|AC_W|SA_G|SA_I)
+	tlbentry(CFG_PCI_MEMBASE3, SZ_256M, CFG_PCI_MEMBASE3, 0, AC_R|AC_W|SA_G|SA_I)
+
+	/* USB 2.0 Device */
+	tlbentry(CFG_USB_DEVICE, SZ_1K, CFG_USB_DEVICE, 0, AC_R|AC_W|SA_G|SA_I)
+
+	tlbtab_end
+
+#if defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL)
+	/*
+	 * For NAND booting the first TLB has to be reconfigured to full size
+	 * and with caching disabled after running from RAM!
+	 */
+#define TLB00	TLB0(CFG_BOOT_BASE_ADDR, SZ_256M)
+#define TLB01	TLB1(CFG_BOOT_BASE_ADDR, 0)
+#define TLB02	TLB2(AC_R|AC_W|AC_X|SA_G|SA_I)
+
+	.globl	reconfig_tlb0
+reconfig_tlb0:
+	sync
+	isync
+	addi	r4,r0,0x0000		/* TLB entry #0 */
+	lis	r5,TLB00@h
+	ori	r5,r5,TLB00@l
+	tlbwe	r5,r4,0x0000		/* Save it out */
+	lis	r5,TLB01@h
+	ori	r5,r5,TLB01@l
+	tlbwe	r5,r4,0x0001		/* Save it out */
+	lis	r5,TLB02@h
+	ori	r5,r5,TLB02@l
+	tlbwe	r5,r4,0x0002		/* Save it out */
+	sync
+	isync
+	blr
+#endif
diff --git a/board/amcc/sequoia/sdram.c b/board/amcc/sequoia/sdram.c
index d045df1..78e2cb4 100644
--- a/board/amcc/sequoia/sdram.c
+++ b/board/amcc/sequoia/sdram.c
@@ -387,7 +387,11 @@ void denali_core_search_data_eye(unsigned long memory_size)
 long int initdram (int board_type)
 {
 #if !defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
+#if !defined(CONFIG_NAND_SPL)
 	ulong speed = get_bus_freq(0);
+#else
+	ulong speed = 133333333;	/* 133MHz is on the safe side	*/
+#endif
 
 	mtsdram(DDR0_02, 0x00000000);