* Patch by Ron Alder, 11 July 2005

    Add Xianghua Xiao and Lunsheng Wang's support for the
    GDA MPC8540 EVAL board.

1 files changed, 178 insertions, 0 deletions

diff --git a/board/mpc8540eval/init.S b/board/mpc8540eval/init.S
new file mode 100644
index 0000000..8c2ca65
--- /dev/null
+++ b/board/mpc8540eval/init.S
@@ -0,0 +1,178 @@
+/*
+* Copyright (C) 2002,2003, Motorola Inc.
+* Xianghua Xiao <X.Xiao@motorola.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 <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 0x0a	/* the following data table uses a few of 16 TLB entries */
+
+	.long TLB1_MAS0(1,1,0)
+	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_1M)
+	.long TLB1_MAS2(((CFG_CCSRBAR>>12) & 0xfffff),0,0,0,0,1,0,1,0)
+	.long TLB1_MAS3(((CFG_CCSRBAR>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
+
+  #if defined(CFG_FLASH_PORT_WIDTH_16)
+	.long TLB1_MAS0(1,2,0)
+	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_4M)
+	.long TLB1_MAS2(((CFG_FLASH_BASE>>12) & 0xfffff),0,0,0,0,1,0,1,0)
+	.long TLB1_MAS3(((CFG_FLASH_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
+
+	.long TLB1_MAS0(1,3,0)
+	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_4M)
+	.long TLB1_MAS2((((CFG_FLASH_BASE+0x400000)>>12)&0xfffff),0,0,0,0,1,0,1,0)
+	.long TLB1_MAS3((((CFG_FLASH_BASE+0x400000)>>12)&0xfffff),0,0,0,0,0,1,0,1,0,1)
+  #else
+	.long TLB1_MAS0(1,2,0)
+	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_16M)
+	.long TLB1_MAS2(((CFG_FLASH_BASE>>12) & 0xfffff),0,0,0,0,1,0,1,0)
+	.long TLB1_MAS3(((CFG_FLASH_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
+
+	.long TLB1_MAS0(1,3,0)
+	.long TLB1_MAS1(0,0,0,0,BOOKE_PAGESZ_1M)
+	.long TLB1_MAS2(0,0,0,0,0,0,0,0,0)
+	.long TLB1_MAS3(0,0,0,0,0,0,1,0,1,0,1)
+  #endif
+
+  #if !defined(CONFIG_SPD_EEPROM)
+	.long TLB1_MAS0(1,4,0)
+	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_64M)
+	.long TLB1_MAS2(((CFG_DDR_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,0,0,0,0)
+	.long TLB1_MAS3(((CFG_DDR_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
+
+	.long TLB1_MAS0(1,5,0)
+	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_64M)
+	.long TLB1_MAS2((((CFG_DDR_SDRAM_BASE+0x4000000)>>12) & 0xfffff),0,0,0,0,0,0,0,0)
+	.long TLB1_MAS3((((CFG_DDR_SDRAM_BASE+0x4000000)>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
+  #else
+	.long TLB1_MAS0(1,4,0)
+	.long TLB1_MAS1(0,0,0,0,BOOKE_PAGESZ_1M)
+	.long TLB1_MAS2(0,0,0,0,0,0,0,0,0)
+	.long TLB1_MAS3(0,0,0,0,0,0,1,0,1,0,1)
+
+	.long TLB1_MAS0(1,5,0)
+	.long TLB1_MAS1(0,0,0,0,BOOKE_PAGESZ_1M)
+	.long TLB1_MAS2(0,0,0,0,0,0,0,0,0)
+	.long TLB1_MAS3(0,0,0,0,0,0,1,0,1,0,1)
+  #endif
+
+	.long TLB1_MAS0(1,6,0)
+	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_64M)
+  #if defined(CONFIG_RAM_AS_FLASH)
+	.long TLB1_MAS2(((CFG_LBC_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,1,0,1,0)
+  #else
+	.long TLB1_MAS2(((CFG_LBC_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,0,0,0,0)
+  #endif
+	.long TLB1_MAS3(((CFG_LBC_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
+
+	.long TLB1_MAS0(1,7,0)
+	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_16K)
+  #ifdef CONFIG_L2_INIT_RAM
+	.long TLB1_MAS2(((CFG_INIT_RAM_ADDR>>12) & 0xfffff),0,0,0,1,0,0,0,0)
+  #else
+	.long TLB1_MAS2(((CFG_INIT_RAM_ADDR>>12) & 0xfffff),0,0,0,0,0,0,0,0)
+  #endif
+	.long TLB1_MAS3(((CFG_INIT_RAM_ADDR>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
+
+	.long TLB1_MAS0(1,8,0)
+	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_256M)
+	.long TLB1_MAS2(((CFG_PCI_MEM_BASE>>12) & 0xfffff),0,0,0,0,1,0,1,0)
+	.long TLB1_MAS3(((CFG_PCI_MEM_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
+
+	.long TLB1_MAS0(1,9,0)
+	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_16K)
+	.long TLB1_MAS2(((CFG_BCSR>>12) & 0xfffff),0,0,0,0,1,0,1,0)
+	.long TLB1_MAS3(((CFG_BCSR>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
+
+  #if (CFG_CCSRBAR_DEFAULT != CFG_CCSRBAR)
+	.long TLB1_MAS0(1,15,0)
+	.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_1M)
+	.long TLB1_MAS2(((CFG_CCSRBAR_DEFAULT>>12) & 0xfffff),0,0,0,0,1,0,1,0)
+	.long TLB1_MAS3(((CFG_CCSRBAR_DEFAULT>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
+  #else
+	.long TLB1_MAS0(1,15,0)
+	.long TLB1_MAS1(0,0,0,0,BOOKE_PAGESZ_1M)
+	.long TLB1_MAS2(0,0,0,0,0,0,0,0,0)
+	.long TLB1_MAS3(0,0,0,0,0,0,1,0,1,0,1)
+  #endif
+	entry_end
+
+/* LAW(Local Access Window) configuration:
+ * 0000_0000-0800_0000: DDR(128M) -or- larger
+ * f000_0000-f3ff_ffff: PCI(256M)
+ * f400_0000-f7ff_ffff: RapidIO(128M)
+ * f800_0000-ffff_ffff: localbus(128M)
+ *   f800_0000-fbff_ffff: LBC SDRAM(64M)
+ *   fc00_0000-fdef_ffff: LBC BCSR,RTC,etc(31M)
+ *   fdf0_0000-fdff_ffff: CCSRBAR(1M)
+ *   fe00_0000-ffff_ffff: Flash(32M)
+ * 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_128M))
+#else
+#define LAWBAR0 0
+#define LAWAR0  ((LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_128M)) & ~LAWAR_EN)
+#endif
+
+#define LAWBAR1 ((CFG_PCI_MEM_BASE>>12) & 0xfffff)
+#define LAWAR1 	(LAWAR_EN | LAWAR_TRGT_IF_PCIX | (LAWAR_SIZE & LAWAR_SIZE_256M))
+
+#if !defined(CONFIG_RAM_AS_FLASH)
+#define LAWBAR2 ((CFG_LBC_SDRAM_BASE>>12) & 0xfffff)
+#define LAWAR2 	(LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_128M))
+#else
+#define LAWBAR2 0
+#define LAWAR2 ((LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_128M)) & ~LAWAR_EN)
+#endif
+
+	.section .bootpg, "ax"
+	.globl	law_entry
+law_entry:
+	entry_start
+	.long 0x03
+	.long LAWBAR0,LAWAR0,LAWBAR1,LAWAR1,LAWBAR2,LAWAR2
+	entry_end