85xx: convert SBC8540/SBC8560/SBC8548 over to use new LAW init code

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

6 files changed, 119 insertions, 97 deletions

diff --git a/board/sbc8548/Makefile b/board/sbc8548/Makefile
index 1596525..c346fdf 100644
--- a/board/sbc8548/Makefile
+++ b/board/sbc8548/Makefile
@@ -28,9 +28,8 @@ include $(TOPDIR)/config.mk
 
 LIB	= $(obj)lib$(BOARD).a
 
-COBJS	:= $(BOARD).o
+COBJS	:= $(BOARD).o law.o
 SOBJS	:= init.o
-#SOBJS	:=
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))
diff --git a/board/sbc8548/init.S b/board/sbc8548/init.S
index cafa214..6696dd9 100644
--- a/board/sbc8548/init.S
+++ b/board/sbc8548/init.S
@@ -191,51 +191,3 @@ tlb1_entry:
 	.long FSL_BOOKE_MAS3(CFG_EPLD_BASE, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
 
 	entry_end
-
-/*
- * LAW(Local Access Window) configuration:
- *
- * 0x0000_0000	0x0fff_ffff	DDR			256M
- * 0x8000_0000	0x9fff_ffff	PCI1 MEM		512M
- * 0xe000_0000	0xe000_ffff	CCSR			1M
- * 0xe200_0000	0xe2ff_ffff	PCI1 IO			16M
- * 0xf000_0000	0xf7ff_ffff	SDRAM			128M
- * 0xf8b0_0000	0xf80f_ffff	EEPROM			1M
- * 0xfb80_0000	0xff7f_ffff	FLASH (2nd bank)	64M
- * 0xff80_0000	0xffff_ffff	FLASH (boot bank)	8M
- *
- * Notes:
- * 	CCSRBAR and L2-as-SRAM don't need a configured Local Access Window.
- *	If flash is 8M at default position (last 8M), no LAW needed.
- *
- *	The defines below are 1-off of the actual LAWAR0 usage.
- *	So LAWAR3 define uses the LAWAR4 register in the ECM.
- */
-
-
-#if !defined(CONFIG_SPD_EEPROM)
-	#define LAWBAR0 ((CFG_DDR_SDRAM_BASE>>12) & 0xfffff)
-	#define LAWAR0  (LAWAR_EN | LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_256M))
-#else
-	#define LAWBAR0 0
-	#define LAWAR0  ((LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_256M)) & ~LAWAR_EN)
-#endif
-
-#define LAWBAR1 ((CFG_PCI1_MEM_BASE>>12) & 0xfffff)
-#define LAWAR1 	(LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_512M))
-
-#define LAWBAR2 ((CFG_PCI1_IO_BASE>>12) & 0xfffff)
-#define LAWAR2 	(LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_16M))
-
-/* LBC window - maps 256M 0xf0000000 -> 0xffffffff */
-#define LAWBAR3 ((CFG_LBC_SDRAM_BASE>>12) & 0xfffff)
-#define LAWAR3 	(LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_256M))
-
-	.section .bootpg, "ax"
-	.globl	law_entry
-
-law_entry:
-	entry_start
-	.long 4
-	.long LAWBAR0,LAWAR0,LAWBAR1,LAWAR1,LAWBAR2,LAWAR2,LAWBAR3,LAWAR3
-	entry_end
diff --git a/board/sbc8548/law.c b/board/sbc8548/law.c
new file mode 100644
index 0000000..6bf4199
--- /dev/null
+++ b/board/sbc8548/law.c
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2008 Freescale Semiconductor, Inc.
+ *
+ * (C) Copyright 2000
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/fsl_law.h>
+#include <asm/mmu.h>
+
+/*
+ * LAW(Local Access Window) configuration:
+ *
+ * 0x0000_0000	0x0fff_ffff	DDR			256M
+ * 0x8000_0000	0x9fff_ffff	PCI1 MEM		512M
+ * 0xe000_0000	0xe000_ffff	CCSR			1M
+ * 0xe200_0000	0xe2ff_ffff	PCI1 IO			16M
+ * 0xf000_0000	0xf7ff_ffff	SDRAM			128M
+ * 0xf8b0_0000	0xf80f_ffff	EEPROM			1M
+ * 0xfb80_0000	0xff7f_ffff	FLASH (2nd bank)	64M
+ * 0xff80_0000	0xffff_ffff	FLASH (boot bank)	8M
+ *
+ * Notes:
+ * 	CCSRBAR and L2-as-SRAM don't need a configured Local Access Window.
+ *	If flash is 8M at default position (last 8M), no LAW needed.
+ */
+
+struct law_entry law_table[] = {
+#ifndef CONFIG_SPD_EEPROM
+	SET_LAW_ENTRY(1, CFG_DDR_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_DDR),
+#endif
+	SET_LAW_ENTRY(2, CFG_PCI1_MEM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_PCI),
+	SET_LAW_ENTRY(3, CFG_PCI1_IO_PHYS, LAW_SIZE_16M, LAW_TRGT_IF_PCI),
+	/* LBC window - maps 256M 0xf0000000 -> 0xffffffff */
+	SET_LAW_ENTRY(4, CFG_LBC_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_LBC),
+};
+
+int num_law_entries = ARRAY_SIZE(law_table);
diff --git a/board/sbc8560/Makefile b/board/sbc8560/Makefile
index 1596525..c346fdf 100644
--- a/board/sbc8560/Makefile
+++ b/board/sbc8560/Makefile
@@ -28,9 +28,8 @@ include $(TOPDIR)/config.mk
 
 LIB	= $(obj)lib$(BOARD).a
 
-COBJS	:= $(BOARD).o
+COBJS	:= $(BOARD).o law.o
 SOBJS	:= init.o
-#SOBJS	:=
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))
diff --git a/board/sbc8560/init.S b/board/sbc8560/init.S
index 95cb85a..e149fbd 100644
--- a/board/sbc8560/init.S
+++ b/board/sbc8560/init.S
@@ -40,51 +40,6 @@
 	mtlr	r1	;	\
 	blr		;
 
-
-/* LAW(Local Access Window) configuration:
- * 0000_0000-0800_0000: DDR(512M) -or- larger
- * c000_0000-cfff_ffff: PCI(256M)
- * d000_0000-dfff_ffff: RapidIO(256M)
- * e000_0000-ffff_ffff: localbus(512M)
- *   e000_0000-e3ff_ffff: LBC 64M, 32-bit flash on CS6
- *   e400_0000-e7ff_ffff: LBC 64M, 32-bit flash on CS1
- *   e800_0000-efff_ffff: LBC 128M, nothing here
- *   f000_0000-f3ff_ffff: LBC 64M, SDRAM on CS3
- *   f400_0000-f7ff_ffff: LBC 64M, SDRAM on CS4
- *   f800_0000-fdff_ffff: LBC 64M, nothing here
- *   fc00_0000-fcff_ffff: LBC 16M, CSR,RTC,UART,etc on CS5
- *   fd00_0000-fdff_ffff: LBC 16M, nothing here
- *   fe00_0000-feff_ffff: LBC 16M, nothing here
- *   ff00_0000-ff6f_ffff: LBC 7M, nothing here
- *   ff70_0000-ff7f_ffff: CCSRBAR 1M
- *   ff80_0000-ffff_ffff: LBC 8M, 8-bit flash on CS0
- * Note: CCSRBAR and L2-as-SRAM don't need configure Local Access
- *       Window.
- * Note: If flash is 8M at default position(last 8M),no LAW needed.
- */
-
-#if !defined(CONFIG_SPD_EEPROM)
-  #define LAWBAR0 ((CFG_DDR_SDRAM_BASE>>12) & 0xfffff)
-  #define LAWAR0  (LAWAR_EN | LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_512M))
-#else
-  #define LAWBAR0 0
-  #define LAWAR0  ((LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_512M)) & ~LAWAR_EN)
-#endif
-
-#define LAWBAR1 ((CFG_PCI_MEM_BASE>>12) & 0xfffff)
-#define LAWAR1  (LAWAR_EN | LAWAR_TRGT_IF_PCIX | (LAWAR_SIZE & LAWAR_SIZE_256M))
-
-#define LAWBAR2 ((0xe0000000>>12) & 0xfffff)
-#define LAWAR2  (LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_512M))
-
-	.section .bootpg, "ax"
-	.globl  law_entry
-law_entry:
-	entry_start
-	.long 0x03
-	.long LAWBAR0,LAWAR0,LAWBAR1,LAWAR1,LAWBAR2,LAWAR2
-	entry_end
-
 /* TLB1 entries configuration: */
 
 	.section	.bootpg, "ax"
diff --git a/board/sbc8560/law.c b/board/sbc8560/law.c
new file mode 100644
index 0000000..d1c6dc2
--- /dev/null
+++ b/board/sbc8560/law.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2008 Freescale Semiconductor, Inc.
+ *
+ * (C) Copyright 2000
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/fsl_law.h>
+#include <asm/mmu.h>
+
+/* LAW(Local Access Window) configuration:
+ * 0000_0000-0800_0000: DDR(512M) -or- larger
+ * c000_0000-cfff_ffff: PCI(256M)
+ * d000_0000-dfff_ffff: RapidIO(256M)
+ * e000_0000-ffff_ffff: localbus(512M)
+ *   e000_0000-e3ff_ffff: LBC 64M, 32-bit flash on CS6
+ *   e400_0000-e7ff_ffff: LBC 64M, 32-bit flash on CS1
+ *   e800_0000-efff_ffff: LBC 128M, nothing here
+ *   f000_0000-f3ff_ffff: LBC 64M, SDRAM on CS3
+ *   f400_0000-f7ff_ffff: LBC 64M, SDRAM on CS4
+ *   f800_0000-fdff_ffff: LBC 64M, nothing here
+ *   fc00_0000-fcff_ffff: LBC 16M, CSR,RTC,UART,etc on CS5
+ *   fd00_0000-fdff_ffff: LBC 16M, nothing here
+ *   fe00_0000-feff_ffff: LBC 16M, nothing here
+ *   ff00_0000-ff6f_ffff: LBC 7M, nothing here
+ *   ff70_0000-ff7f_ffff: CCSRBAR 1M
+ *   ff80_0000-ffff_ffff: LBC 8M, 8-bit flash on CS0
+ * Note: CCSRBAR and L2-as-SRAM don't need configure Local Access
+ *       Window.
+ * Note: If flash is 8M at default position(last 8M),no LAW needed.
+ */
+
+struct law_entry law_table[] = {
+#ifndef CONFIG_SPD_EEPROM
+	SET_LAW_ENTRY(1, CFG_DDR_SDRAM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_DDR),
+#endif
+	SET_LAW_ENTRY(2, CFG_PCI_MEM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_PCI),
+	SET_LAW_ENTRY(3, CFG_LBC_SDRAM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_LBC),
+};
+
+int num_law_entries = ARRAY_SIZE(law_table);