Add qemu 2.4.0
[kvmfornfv.git] / qemu / roms / u-boot / board / xes / xpedite520x / xpedite520x.c
diff --git a/qemu/roms/u-boot/board/xes/xpedite520x/xpedite520x.c b/qemu/roms/u-boot/board/xes/xpedite520x/xpedite520x.c
new file mode 100644 (file)
index 0000000..aa9e99d
--- /dev/null
@@ -0,0 +1,80 @@
+/*
+ * Copyright 2008 Extreme Engineering Solutions, Inc.
+ * Copyright 2004, 2007 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <command.h>
+#include <pci.h>
+#include <asm/processor.h>
+#include <asm/immap_85xx.h>
+#include <asm/fsl_pci.h>
+#include <asm/io.h>
+#include <asm/cache.h>
+#include <asm/mmu.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+#include <pca953x.h>
+
+extern void ft_board_pci_setup(void *blob, bd_t *bd);
+
+static void flash_cs_fixup(void)
+{
+       int flash_sel;
+
+       /*
+        * Print boot dev and swap flash flash chip selects if booted from 2nd
+        * flash.  Swapping chip selects presents user with a common memory
+        * map regardless of which flash was booted from.
+        */
+       flash_sel = !((pca953x_get_val(CONFIG_SYS_I2C_PCA953X_ADDR0) &
+                       CONFIG_SYS_PCA953X_FLASH_PASS_CS));
+       printf("Flash: Executed from flash%d\n", flash_sel ? 2 : 1);
+
+       if (flash_sel) {
+               set_lbc_br(0, CONFIG_SYS_BR1_PRELIM);
+               set_lbc_or(0, CONFIG_SYS_OR1_PRELIM);
+
+               set_lbc_br(1, CONFIG_SYS_BR0_PRELIM);
+               set_lbc_or(1, CONFIG_SYS_OR0_PRELIM);
+       }
+}
+
+int board_early_init_r(void)
+{
+       /* Initialize PCA9557 devices */
+       pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR0, 0xff, 0);
+       pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR1, 0xff, 0);
+
+       /*
+        * Remap NOR flash region to caching-inhibited
+        * so that flash can be erased/programmed properly.
+        */
+
+       /* Flush d-cache and invalidate i-cache of any FLASH data */
+       flush_dcache();
+       invalidate_icache();
+
+       /* Invalidate existing TLB entry for NOR flash */
+       disable_tlb(0);
+       set_tlb(1, (CONFIG_SYS_FLASH_BASE2 & 0xf0000000),
+               (CONFIG_SYS_FLASH_BASE2 & 0xf0000000),
+               MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
+               0, 0, BOOKE_PAGESZ_256M, 1);
+
+       flash_cs_fixup();
+
+       return 0;
+}
+
+#if defined(CONFIG_OF_BOARD_SETUP)
+void ft_board_setup(void *blob, bd_t *bd)
+{
+#ifdef CONFIG_PCI
+       ft_board_pci_setup(blob, bd);
+#endif
+       ft_cpu_setup(blob, bd);
+}
+#endif