summaryrefslogtreecommitdiff
path: root/board/mercury/mpq101/law.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/mercury/mpq101/law.c')
-rw-r--r--board/mercury/mpq101/law.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/board/mercury/mpq101/law.c b/board/mercury/mpq101/law.c
new file mode 100644
index 0000000000..0e23a6aabd
--- /dev/null
+++ b/board/mercury/mpq101/law.c
@@ -0,0 +1,52 @@
+/*
+ * 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 0x1fff_ffff DDR SYS_SDRAM_SIZE
+ * 0xc000_0000 0xdfff_ffff RapidIO (set elsewhere) 512M
+ * 0xe000_0000 0xe000_ffff CCSR (set elsewhere) 1M
+ * 0xf000_0000 0xffff_ffff LBC options + FLASH 256M
+ *
+ * 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[] = {
+ SET_LAW(CONFIG_SYS_SDRAM_BASE, CONFIG_SYS_SDRAM_SIZE_LOG - 1,
+ LAW_TRGT_IF_DDR_1),
+ SET_LAW(CONFIG_SYS_LBC_OPTION_BASE_PHYS, LAW_SIZE_256M,
+ LAW_TRGT_IF_LBC)
+};
+
+int num_law_entries = ARRAY_SIZE(law_table);