summaryrefslogtreecommitdiff
path: root/board/sbc8548/law.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/sbc8548/law.c')
-rw-r--r--board/sbc8548/law.c57
1 files changed, 57 insertions, 0 deletions
diff --git a/board/sbc8548/law.c b/board/sbc8548/law.c
new file mode 100644
index 0000000000..6bf4199cb8
--- /dev/null
+++ b/board/sbc8548/law.c
@@ -0,0 +1,57 @@
+/*
+ * 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 0x0fff_ffff DDR 256M
+ * 0x8000_0000 0x9fff_ffff PCI1 MEM 512M
+ * 0xe000_0000 0xe000_ffff CCSR 1M
+ * 0xe200_0000 0xe2ff_ffff PCI1 IO 16M
+ * 0xf000_0000 0xf7ff_ffff SDRAM 128M
+ * 0xf8b0_0000 0xf80f_ffff EEPROM 1M
+ * 0xfb80_0000 0xff7f_ffff FLASH (2nd bank) 64M
+ * 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.
+ */
+
+struct law_entry law_table[] = {
+#ifndef CONFIG_SPD_EEPROM
+ SET_LAW_ENTRY(1, CFG_DDR_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_DDR),
+#endif
+ 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_16M, LAW_TRGT_IF_PCI),
+ /* LBC window - maps 256M 0xf0000000 -> 0xffffffff */
+ SET_LAW_ENTRY(4, CFG_LBC_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_LBC),
+};
+
+int num_law_entries = ARRAY_SIZE(law_table);