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authorBecky Bruce <becky.bruce@freescale.com>2008-01-23 16:31:01 -0600
committerJon Loeliger <jdl@freescale.com>2008-01-24 12:12:30 -0600
commit4933b91f8a49e436681f163df3173beb91cac44a (patch)
tree6c90329f8c9f61b4641ab7824bbeebf63995590e /board
parent1a41f7ce9c086e208c0eabf52565a237af2a2bd1 (diff)
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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>
Diffstat (limited to 'board')
-rw-r--r--board/freescale/mpc8641hpcn/Makefile2
-rw-r--r--board/freescale/mpc8641hpcn/law.c64
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);