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authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/board/xes/xpedite520x/xpedite520x.c
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/board/xes/xpedite520x/xpedite520x.c')
-rw-r--r--roms/u-boot/board/xes/xpedite520x/xpedite520x.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/roms/u-boot/board/xes/xpedite520x/xpedite520x.c b/roms/u-boot/board/xes/xpedite520x/xpedite520x.c
new file mode 100644
index 000000000..63e1e0efe
--- /dev/null
+++ b/roms/u-boot/board/xes/xpedite520x/xpedite520x.c
@@ -0,0 +1,82 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2008 Extreme Engineering Solutions, Inc.
+ * Copyright 2004, 2007 Freescale Semiconductor, Inc.
+ */
+
+#include <common.h>
+#include <command.h>
+#include <init.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 <linux/libfdt.h>
+#include <fdt_support.h>
+#include <pca953x.h>
+
+extern void ft_board_pci_setup(void *blob, struct bd_info *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)
+int ft_board_setup(void *blob, struct bd_info *bd)
+{
+#ifdef CONFIG_PCI
+ ft_board_pci_setup(blob, bd);
+#endif
+ ft_cpu_setup(blob, bd);
+
+ return 0;
+}
+#endif