aboutsummaryrefslogtreecommitdiff
path: root/board/freescale/mpc8548cds/law.c
diff options
context:
space:
mode:
authorKumar Gala <galak@kernel.crashing.org>2008-01-16 01:45:10 -0600
committerKumar Gala <galak@kernel.crashing.org>2008-01-16 23:21:55 -0600
commit2cfaa1aa1aac39a81006b7b27e0e431bf21f6dfa (patch)
tree89b311689ad4c0e20d4289b5b1f90e649684ff86 /board/freescale/mpc8548cds/law.c
parent7232a2724ccc9dcbc3ec4ef84ada02f13ccd1238 (diff)
downloadu-boot-linaro-stable-2cfaa1aa1aac39a81006b7b27e0e431bf21f6dfa.tar.gz
85xx: convert MPC8541/MPC8555/MPC8548 CDS over to use new LAW init code
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'board/freescale/mpc8548cds/law.c')
-rw-r--r--board/freescale/mpc8548cds/law.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/board/freescale/mpc8548cds/law.c b/board/freescale/mpc8548cds/law.c
new file mode 100644
index 000000000..69208635f
--- /dev/null
+++ b/board/freescale/mpc8548cds/law.c
@@ -0,0 +1,73 @@
+/*
+ * 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 PCIe MEM 512M
+ * 0xc000_0000 0xdfff_ffff RapidIO 512M
+ * 0xe000_0000 0xe000_ffff CCSR 1M
+ * 0xe200_0000 0xe10f_ffff PCI1 IO 1M
+ * 0xe280_0000 0xe20f_ffff PCI2 IO 1M
+ * 0xe300_0000 0xe30f_ffff PCIe IO 1M
+ * 0xf000_0000 0xf3ff_ffff SDRAM 64M
+ * 0xf800_0000 0xf80f_ffff NVRAM/CADMUS (*) 1M
+ * 0xff00_0000 0xff7f_ffff FLASH (2nd bank) 8M
+ * 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.
+ *
+ * LAW 0 is reserved for boot mapping
+ */
+
+struct law_entry law_table[] = {
+#ifdef CFG_PCI1_MEM_PHYS
+ 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_1M, LAW_TRGT_IF_PCI),
+#endif
+#ifdef CFG_PCI2_MEM_PHYS
+ SET_LAW_ENTRY(4, CFG_PCI2_MEM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_PCI_2),
+ SET_LAW_ENTRY(5, CFG_PCI2_IO_PHYS, LAW_SIZE_1M, LAW_TRGT_IF_PCI_2),
+#endif
+#ifdef CFG_PCIE1_MEM_PHYS
+ SET_LAW_ENTRY(6, CFG_PCIE1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCIE_1),
+ SET_LAW_ENTRY(7, CFG_PCIE1_IO_PHYS, LAW_SIZE_1M, LAW_TRGT_IF_PCIE_1),
+#endif
+ /* LBC window - maps 256M 0xf0000000 -> 0xffffffff */
+ SET_LAW_ENTRY(8, CFG_LBC_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_LBC),
+#ifdef CFG_RIO_MEM_PHYS
+ SET_LAW_ENTRY(9, CFG_RIO_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_RIO),
+#endif
+};
+
+int num_law_entries = ARRAY_SIZE(law_table);