Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / board / sbc8548 / law.c

diff --git a/qemu/roms/u-boot/board/sbc8548/law.c b/qemu/roms/u-boot/board/sbc8548/law.c
new file mode 100644 (file)
index 0000000..e1f90a0
--- /dev/null
+++ b/qemu/roms/u-boot/board/sbc8548/law.c
@@ -0,0 +1,55 @@
+/*
+ * 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 0x0fff_ffff     DDR                     256M
+ * 0x8000_0000 0x9fff_ffff     PCI1 MEM                512M
+ * 0xa000_0000 0xbfff_ffff     PCIe MEM                512M
+ * 0xe000_0000 0xe000_ffff     CCSR                    1M
+ * 0xe200_0000 0xe27f_ffff     PCI1 IO                 8M
+ * 0xe280_0000 0xe2ff_ffff     PCIe IO                 8M
+ * 0xec00_0000 0xefff_ffff     FLASH (2nd bank)        64M
+ * 0xf000_0000 0xf7ff_ffff     SDRAM                   128M
+ * 0xf8b0_0000 0xf80f_ffff     EEPROM                  1M
+ * 0xff80_0000 0xffff_ffff     FLASH (boot bank)       8M
+ *
+ * If swapped CS0/CS6 via JP12+SW2.8:
+ * 0xef80_0000 0xefff_ffff     FLASH (2nd bank)        8M
+ * 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[] = {
+#ifdef CONFIG_SYS_ALT_BOOT
+       SET_LAW(CONFIG_SYS_ALT_FLASH, LAW_SIZE_8M, LAW_TRGT_IF_LBC),
+#else
+       SET_LAW(CONFIG_SYS_ALT_FLASH, LAW_SIZE_64M, LAW_TRGT_IF_LBC),
+#endif
+#ifndef CONFIG_SPD_EEPROM
+       SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_DDR),
+#endif
+#ifdef CONFIG_SYS_LBC_SDRAM_BASE
+       /* LBC window - maps 256M 0xf0000000 -> 0xffffffff */
+       SET_LAW(CONFIG_SYS_LBC_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_LBC),
+#else
+       /* LBC window - maps 128M 0xf8000000 -> 0xffffffff */
+       SET_LAW(CONFIG_SYS_EPLD_BASE, LAW_SIZE_128M, LAW_TRGT_IF_LBC),
+#endif
+};
+
+int num_law_entries = ARRAY_SIZE(law_table);