1 files changed, 58 insertions, 0 deletions
diff --git a/board/freescale/mpc8540ads/law.c b/board/freescale/mpc8540ads/law.c
new file mode 100644
index 0000000..785576a
--- /dev/null
+++ b/board/freescale/mpc8540ads/law.c
@@ -0,0 +1,58 @@
+/*
+ * 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
+ * 0xc000_0000     0xdfff_ffff     RapidIO                 512M
+ * 0xe000_0000     0xe000_ffff     CCSR                    1M
+ * 0xe200_0000     0xe2ff_ffff     PCI1 IO                 16M
+ * 0xf000_0000     0xf7ff_ffff     SDRAM                   128M
+ * 0xf800_0000     0xf80f_ffff     BCSR                    1M
+ * 0xff00_0000     0xffff_ffff     FLASH (boot bank)       16M
+ *
+ * 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_128M, LAW_TRGT_IF_DDR),
+#endif
+	SET_LAW_ENTRY(2, CFG_PCI1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCI),
+	/* This is not so much the SDRAM map as it is the whole localbus map. */
+	SET_LAW_ENTRY(3, CFG_LBC_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_LBC),
+	SET_LAW_ENTRY(4, CFG_PCI1_IO_PHYS, LAW_SIZE_1M, LAW_TRGT_IF_PCI),
+	SET_LAW_ENTRY(5, CFG_RIO_MEM_BASE, LAWAR_SIZE_512M, LAW_TRGT_IF_RIO),
+};
+
+int num_law_entries = ARRAY_SIZE(law_table);