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authorKumar Gala <galak@kernel.crashing.org>2008-01-16 09:06:48 -0600
committerKumar Gala <galak@kernel.crashing.org>2008-01-16 23:21:55 -0600
commit45f2166ac0233a9263058378f39612bd11f61196 (patch)
treeb7ad670c56772a5c0c7e66712a0b0becb2413930 /board/pm854/law.c
parente2b159d0070ee06e4ac7e2f9381d3e8e542e614a (diff)
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85xx: convert PM854/PM856 over to use new LAW init code
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'board/pm854/law.c')
-rw-r--r--board/pm854/law.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/board/pm854/law.c b/board/pm854/law.c
new file mode 100644
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--- /dev/null
+++ b/board/pm854/law.c
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+/*
+ * 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
+ * 0xfc00_0000 0xffff_ffff FLASH (boot bank) 64M
+ *
+ * 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),
+ /* 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_16M, 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);