86xx: Support new law setup method and convert mpc8641

Adds the support code in cpu/mpc86xx for the new law setup code
recently created fsl_law.c, and changes the MPC8641HPCN config
to use this code.

Signed-off-by: Becky Bruce <becky.bruce@freescale.com>

2 files changed, 65 insertions, 1 deletions

diff --git a/board/freescale/mpc8641hpcn/Makefile b/board/freescale/mpc8641hpcn/Makefile
index 201da3e..e73e7ba 100644
--- a/board/freescale/mpc8641hpcn/Makefile
+++ b/board/freescale/mpc8641hpcn/Makefile
@@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk
 
 LIB	= $(obj)lib$(BOARD).a
 
-COBJS	:= $(BOARD).o
+COBJS	:= $(BOARD).o law.o
 
 SOBJS	:= init.o
 
diff --git a/board/freescale/mpc8641hpcn/law.c b/board/freescale/mpc8641hpcn/law.c
new file mode 100644
index 0000000..245f420
--- /dev/null
+++ b/board/freescale/mpc8641hpcn/law.c
@@ -0,0 +1,64 @@
+/*
+ * 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     0x7fff_ffff     DDR                     2G
+ * 0x8000_0000     0x9fff_ffff     PCI1 MEM                512M
+ * 0xa000_0000     0xbfff_ffff     PCI2 MEM                512M
+ * 0xc000_0000     0xdfff_ffff     RapidIO                 512M
+ * 0xe200_0000     0xe2ff_ffff     PCI1 IO                 16M
+ * 0xe300_0000     0xe3ff_ffff     PCI2 IO                 16M
+ * 0xf800_0000     0xf80f_ffff     CCSRBAR                 1M
+ * 0xf810_0000     0xf81f_ffff     PIXIS                   1M
+ * 0xfe00_0000     0xffff_ffff     FLASH (boot bank)       32M
+ *
+ * Notes:
+ *    CCSRBAR 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[] = {
+#if !defined(CONFIG_SPD_EEPROM)
+	SET_LAW_ENTRY(1, CFG_DDR_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_DDR_1),
+#endif
+	SET_LAW_ENTRY(2, CFG_PCI1_MEM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_PCI_1),
+	SET_LAW_ENTRY(3, CFG_PCI2_MEM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_PCI_2),
+	SET_LAW_ENTRY(4, PIXIS_BASE, LAW_SIZE_2M, LAW_TRGT_IF_LBC),
+	SET_LAW_ENTRY(5, CFG_PCI1_IO_PHYS, LAW_SIZE_16M, LAW_TRGT_IF_PCI_1),
+	SET_LAW_ENTRY(6, CFG_PCI2_IO_PHYS, LAW_SIZE_16M, LAW_TRGT_IF_PCI_2),
+	SET_LAW_ENTRY(7, (CFG_FLASH_BASE & 0xfe000000), LAW_SIZE_32M, LAW_TRGT_IF_LBC),
+#if !defined(CONFIG_SPD_EEPROM)
+	SET_LAW_ENTRY(8, CFG_DDR_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_DDR_2),
+#endif
+	SET_LAW_ENTRY(9, CFG_RIO_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_RIO)
+};
+
+int num_law_entries = ARRAY_SIZE(law_table);