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Diffstat (limited to 'roms/u-boot/board/freescale/mpc8641hpcn/law.c')
-rw-r--r--roms/u-boot/board/freescale/mpc8641hpcn/law.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/roms/u-boot/board/freescale/mpc8641hpcn/law.c b/roms/u-boot/board/freescale/mpc8641hpcn/law.c
new file mode 100644
index 00000000..6d25c76c
--- /dev/null
+++ b/roms/u-boot/board/freescale/mpc8641hpcn/law.c
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2008,2010-2011 Freescale Semiconductor, Inc.
+ *
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/fsl_law.h>
+#include <asm/mmu.h>
+
+/*
+ * LAW(Local Access Window) configuration:
+ *
+ * 0x0000_0000 0x7fff_ffff DDR 2G
+ * if PCI (prepend 0xc_0000_0000 if CONFIG_PHYS_64BIT)
+ * 0x8000_0000 0x9fff_ffff PCIE1 MEM 512M
+ * 0xa000_0000 0xbfff_ffff PCIE2 MEM 512M
+ * else if RIO (prepend 0xc_0000_0000 if CONFIG_PHYS_64BIT)
+ * 0x8000_0000 0x9fff_ffff RapidIO 512M
+ * endif
+ * (prepend 0xf_0000_0000 if CONFIG_PHYS_64BIT)
+ * 0xffc0_0000 0xffc0_ffff PCIE1 IO 64K
+ * 0xffc1_0000 0xffc1_ffff PCIE2 IO 64K
+ * 0xffe0_0000 0xffef_ffff CCSRBAR 1M
+ * 0xffdf_0000 0xffe0_0000 PIXIS, CF 64K
+ * 0xef80_0000 0xefff_ffff FLASH (boot bank) 8M
+ *
+ * Notes:
+ * CCSRBAR doesn't need a configured Local Access Window.
+ * If flash is 8M at default position (last 8M), no LAW needed.
+ */
+
+struct law_entry law_table[] = {
+#if !defined(CONFIG_SPD_EEPROM)
+ SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_DDR_1),
+#endif
+ SET_LAW(PIXIS_BASE_PHYS, LAW_SIZE_64K, LAW_TRGT_IF_LBC),
+ SET_LAW(CONFIG_SYS_FLASH_BASE_PHYS, LAW_SIZE_8M, LAW_TRGT_IF_LBC),
+};
+
+int num_law_entries = ARRAY_SIZE(law_table);