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-rw-r--r--qemu/roms/u-boot/board/socrates/law.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/socrates/law.c b/qemu/roms/u-boot/board/socrates/law.c
new file mode 100644
index 000000000..449a03082
--- /dev/null
+++ b/qemu/roms/u-boot/board/socrates/law.c
@@ -0,0 +1,44 @@
+/*
+ * (C) Copyright 2008
+ * Sergei Poselenov, Emcraft Systems, sposelenov@emcraft.com.
+ *
+ * Copyright 2008 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 0x2fff_ffff DDR 512M
+ * 0x8000_0000 0x9fff_ffff PCI1 MEM 512M
+ * 0xc000_0000 0xc00f_ffff FPGA 1M
+ * 0xc800_0000 0xcbff_ffff LIME 64M
+ * 0xe000_0000 0xe00f_ffff CCSR 1M (mapped by CCSRBAR)
+ * 0xe200_0000 0xe2ff_ffff PCI1 IO 16M
+ * 0xfc00_0000 0xffff_ffff FLASH 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[] = {
+ SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_DDR),
+ SET_LAW(CONFIG_SYS_PCI1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCI),
+ SET_LAW(CONFIG_SYS_LBC_FLASH_BASE, LAW_SIZE_64M, LAW_TRGT_IF_LBC),
+ SET_LAW(CONFIG_SYS_PCI1_IO_PHYS, LAW_SIZE_16M, LAW_TRGT_IF_PCI),
+#if defined(CONFIG_SYS_FPGA_BASE)
+ SET_LAW(CONFIG_SYS_FPGA_BASE, LAW_SIZE_1M, LAW_TRGT_IF_LBC),
+#endif
+ SET_LAW(CONFIG_SYS_LIME_BASE, LAW_SIZE_64M, LAW_TRGT_IF_LBC),
+};
+
+int num_law_entries = ARRAY_SIZE(law_table);