85xx: Convert SBC8540/SBC8560/SBC8548 to new TLB setup

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

4 files changed, 66 insertions, 124 deletions

diff --git a/board/sbc8560/Makefile b/board/sbc8560/Makefile
index c346fdf..4b2a9f6 100644
--- a/board/sbc8560/Makefile
+++ b/board/sbc8560/Makefile
@@ -28,8 +28,7 @@ include $(TOPDIR)/config.mk
 
 LIB	= $(obj)lib$(BOARD).a
 
-COBJS	:= $(BOARD).o law.o
-SOBJS	:= init.o
+COBJS	:= $(BOARD).o law.o tlb.o
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))
diff --git a/board/sbc8560/init.S b/board/sbc8560/init.S
deleted file mode 100644
index 3baa506..0000000
--- a/board/sbc8560/init.S
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
-* Copyright (C) 2002,2003, Motorola Inc.
-* Xianghua Xiao <X.Xiao@motorola.com>
-*
-* (C) Copyright 2004 Wind River Systems Inc <www.windriver.com>.
-* Added support for Wind River SBC8560 board
-*
-* 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 <ppc_defs.h>
-#include <asm/cache.h>
-#include <asm/mmu.h>
-#include <config.h>
-#include <mpc85xx.h>
-
-#define	entry_start \
-	mflr	r1 	;	\
-	bl	0f 	;
-
-#define	entry_end \
-0:	mflr	r0	;	\
-	mtlr	r1	;	\
-	blr		;
-
-/* TLB1 entries configuration: */
-
-	.section	.bootpg, "ax"
-	.globl		tlb1_entry
-
-tlb1_entry:
-	entry_start
-
-	.long 0x08	/* the following data table uses a few of 16 TLB entries */
-
-/* TLB for CCSRBAR (IMMR) */
-
-	.long FSL_BOOKE_MAS0(1,1,0)
-	.long FSL_BOOKE_MAS1(1,1,0,0,BOOKE_PAGESZ_1M)
-	.long FSL_BOOKE_MAS2(CFG_CCSRBAR,(MAS2_I|MAS2_G))
-	.long FSL_BOOKE_MAS3(CFG_CCSRBAR,0,(MAS3_SX|MAS3_SW|MAS3_SR))
-
-/* TLB for Local Bus stuff, just map the whole 512M */
-/* note that the LBC SDRAM is cache-inhibit and guarded, like everything else */
-
-	.long FSL_BOOKE_MAS0(1,2,0)
-	.long FSL_BOOKE_MAS1(1,1,0,0,BOOKE_PAGESZ_256M)
-	.long FSL_BOOKE_MAS2(0xe0000000,(MAS2_I|MAS2_G))
-	.long FSL_BOOKE_MAS3(0xe0000000,0,(MAS3_SX|MAS3_SW|MAS3_SR))
-
-	.long FSL_BOOKE_MAS0(1,3,0)
-	.long FSL_BOOKE_MAS1(1,1,0,0,BOOKE_PAGESZ_256M)
-	.long FSL_BOOKE_MAS2(0xf0000000,(MAS2_I|MAS2_G))
-	.long FSL_BOOKE_MAS3(0xf0000000,0,(MAS3_SX|MAS3_SW|MAS3_SR))
-
-#if !defined(CONFIG_SPD_EEPROM)
-	.long FSL_BOOKE_MAS0(1,4,0)
-	.long FSL_BOOKE_MAS1(1,1,0,0,BOOKE_PAGESZ_256M)
-	.long FSL_BOOKE_MAS2(CFG_DDR_SDRAM_BASE,0)
-	.long FSL_BOOKE_MAS3(CFG_DDR_SDRAM_BASE,0,(MAS3_SX|MAS3_SW|MAS3_SR))
-
-	.long FSL_BOOKE_MAS0(1,5,0)
-	.long FSL_BOOKE_MAS1(1,1,0,0,BOOKE_PAGESZ_256M)
-	.long FSL_BOOKE_MAS2(CFG_DDR_SDRAM_BASE+0x10000000,0)
-	.long FSL_BOOKE_MAS3(CFG_DDR_SDRAM_BASE+0x10000000,0,(MAS3_SX|MAS3_SW|MAS3_SR))
-#else
-	.long FSL_BOOKE_MAS0(1,4,0)
-	.long FSL_BOOKE_MAS1(0,0,0,0,BOOKE_PAGESZ_1M)
-	.long FSL_BOOKE_MAS2(0,0)
-	.long FSL_BOOKE_MAS3(0,0,(MAS3_SX|MAS3_SW|MAS3_SR))
-
-	.long FSL_BOOKE_MAS0(1,5,0)
-	.long FSL_BOOKE_MAS1(0,0,0,0,BOOKE_PAGESZ_1M)
-	.long FSL_BOOKE_MAS2(0,0)
-	.long FSL_BOOKE_MAS3(0,0,(MAS3_SX|MAS3_SW|MAS3_SR))
-#endif
-
-	.long FSL_BOOKE_MAS0(1,6,0)
-	.long FSL_BOOKE_MAS1(1,1,0,0,BOOKE_PAGESZ_16K)
-#ifdef CONFIG_L2_INIT_RAM
-	.long FSL_BOOKE_MAS2(CFG_INIT_RAM_ADDR,0,0,0,1,0,0,0,0)
-#else
-	.long FSL_BOOKE_MAS2(CFG_INIT_RAM_ADDR,0)
-#endif
-	.long FSL_BOOKE_MAS3(CFG_INIT_RAM_ADDR,0,(MAS3_SX|MAS3_SW|MAS3_SR))
-
-	.long FSL_BOOKE_MAS0(1,7,0)
-	.long FSL_BOOKE_MAS1(1,1,0,0,BOOKE_PAGESZ_256M)
-	.long FSL_BOOKE_MAS2(CFG_PCI_MEM_PHYS,(MAS2_I|MAS2_G))
-	.long FSL_BOOKE_MAS3(CFG_PCI_MEM_PHYS,0,(MAS3_SX|MAS3_SW|MAS3_SR))
-
-#if (CFG_CCSRBAR_DEFAULT != CFG_CCSRBAR)
-	.long FSL_BOOKE_MAS0(1,15,0)
-	.long FSL_BOOKE_MAS1(1,1,0,0,BOOKE_PAGESZ_1M)
-	.long FSL_BOOKE_MAS2(CFG_CCSRBAR_DEFAULT,(MAS2_I|MAS2_G))
-	.long FSL_BOOKE_MAS3(CFG_CCSRBAR_DEFAULT,0,(MAS3_SX|MAS3_SW|MAS3_SR))
-#else
-	.long FSL_BOOKE_MAS0(1,15,0)
-	.long FSL_BOOKE_MAS1(0,0,0,0,BOOKE_PAGESZ_1M)
-	.long FSL_BOOKE_MAS2(0,0)
-	.long FSL_BOOKE_MAS3(0,0,(MAS3_SX|MAS3_SW|MAS3_SR))
-#endif
-	entry_end
diff --git a/board/sbc8560/tlb.c b/board/sbc8560/tlb.c
new file mode 100644
index 0000000..155ff64
--- /dev/null
+++ b/board/sbc8560/tlb.c
@@ -0,0 +1,65 @@
+/*
+ * 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/mmu.h>
+
+struct fsl_e_tlb_entry tlb_table[] = {
+/* TLB for CCSRBAR (IMMR) */
+	SET_TLB_ENTRY(1, CFG_CCSRBAR, CFG_CCSRBAR,
+		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+		      0, 1, BOOKE_PAGESZ_1M, 1),
+
+/* TLB for Local Bus stuff, just map the whole 512M */
+/* note that the LBC SDRAM is cache-inhibit and guarded, like everything else */
+
+	SET_TLB_ENTRY(1, 0xe0000000, 0xe0000000,
+		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+		      0, 2, BOOKE_PAGESZ_256M, 1),
+
+	SET_TLB_ENTRY(1, 0xf0000000, 0xf0000000,
+		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+		      0, 3, BOOKE_PAGESZ_256M, 1),
+
+#if !defined(CONFIG_SPD_EEPROM)
+	SET_TLB_ENTRY(1, CFG_DDR_SDRAM_BASE, CFG_DDR_SDRAM_BASE,
+		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
+		      0, 4, BOOKE_PAGESZ_256M, 1),
+
+	SET_TLB_ENTRY(1, CFG_DDR_SDRAM_BASE + 0x10000000, CFG_DDR_SDRAM_BASE + 0x10000000,
+		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
+		      0, 5, BOOKE_PAGESZ_256M, 1),
+#endif
+
+	SET_TLB_ENTRY(1, CFG_INIT_RAM_ADDR, CFG_INIT_RAM_ADDR,
+		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
+		      0, 6, BOOKE_PAGESZ_16K, 1),
+
+	SET_TLB_ENTRY(1, CFG_PCI_MEM_PHYS, CFG_PCI_MEM_PHYS,
+		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+		      0, 7, BOOKE_PAGESZ_256M, 1),
+};
+
+int num_tlb_entries = ARRAY_SIZE(tlb_table);
diff --git a/board/sbc8560/u-boot.lds b/board/sbc8560/u-boot.lds
index 449fed8..f3dbf26 100644
--- a/board/sbc8560/u-boot.lds
+++ b/board/sbc8560/u-boot.lds
@@ -38,7 +38,6 @@ SECTIONS
   .bootpg 0xFFFFF000 :
   {
     cpu/mpc85xx/start.o	(.bootpg)
-    board/sbc8560/init.o (.bootpg)
   } = 0xffff
 
   /* Read-only sections, merged into text segment: */
@@ -68,7 +67,6 @@ SECTIONS
   .text      :
   {
     cpu/mpc85xx/start.o	(.text)
-    board/sbc8560/init.o (.text)
     cpu/mpc85xx/commproc.o (.text)
     cpu/mpc85xx/traps.o (.text)
     cpu/mpc85xx/interrupts.o (.text)