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-rw-r--r--board/xes/xpedite550x/xpedite550x.c107
1 files changed, 107 insertions, 0 deletions
diff --git a/board/xes/xpedite550x/xpedite550x.c b/board/xes/xpedite550x/xpedite550x.c
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+/*
+ * Copyright 2010 Extreme Engineering Solutions, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <command.h>
+#include <asm/processor.h>
+#include <asm/mmu.h>
+#include <asm/immap_85xx.h>
+#include <asm/fsl_pci.h>
+#include <asm/io.h>
+#include <asm/cache.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+#include <pca953x.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+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_C0_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);
+ pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR2, 0xff, 0);
+ pca953x_set_pol(CONFIG_SYS_I2C_PCA953X_ADDR3, 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
+
+#ifdef CONFIG_MP
+extern void cpu_mp_lmb_reserve(struct lmb *lmb);
+
+void board_lmb_reserve(struct lmb *lmb)
+{
+ cpu_mp_lmb_reserve(lmb);
+}
+#endif