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authorTsiChungLiew <Tsi-Chung.Liew@freescale.com>2008-01-15 14:02:49 -0600
committerTsiChungLiew <Tsi-Chung.Liew@freescale.com>2008-01-17 14:59:42 -0600
commit1aee111135d8660a164d4f6bf7d66b032ea535cf (patch)
tree5175aa5cd00e3ae8640d81bff17eef0b3b3972cd /board/freescale/m548xevb/m548xevb.c
parent777d1abd9796f1c2e148417cc10657e847d318ce (diff)
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ColdFire: MCF547x_8x - Add M547xEVB and M548xEVB board
Signed-off-by: TsiChungLiew <Tsi-Chung.Liew@freescale.com> Signed-off by: John Rigby <jrigby@freescale.com>
Diffstat (limited to 'board/freescale/m548xevb/m548xevb.c')
-rw-r--r--board/freescale/m548xevb/m548xevb.c115
1 files changed, 115 insertions, 0 deletions
diff --git a/board/freescale/m548xevb/m548xevb.c b/board/freescale/m548xevb/m548xevb.c
new file mode 100644
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+++ b/board/freescale/m548xevb/m548xevb.c
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+/*
+ * (C) Copyright 2000-2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
+ *
+ * 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 <config.h>
+#include <common.h>
+#include <pci.h>
+#include <asm/immap.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int checkboard(void)
+{
+ puts("Board: ");
+ puts("Freescale FireEngine 5485 EVB\n");
+ return 0;
+};
+
+long int initdram(int board_type)
+{
+ volatile siu_t *siu = (siu_t *) (MMAP_SIU);
+ volatile sdram_t *sdram = (volatile sdram_t *)(MMAP_SDRAM);
+ u32 dramsize, i;
+
+ siu->drv = CFG_SDRAM_DRVSTRENGTH;
+
+ dramsize = CFG_DRAMSZ * 0x100000;
+ for (i = 0x13; i < 0x20; i++) {
+ if (dramsize == (1 << i))
+ break;
+ }
+ i--;
+ siu->cs0cfg = (CFG_SDRAM_BASE | i);
+
+#ifdef CFG_DRAMSZ1
+ temp = CFG_DRAMSZ1 * 0x100000;
+ for (i = 0x13; i < 0x20; i++) {
+ if (temp == (1 << i))
+ break;
+ }
+ i--;
+ dramsize += temp;
+ siu->cs1cfg = ((CFG_SDRAM_BASE + temp) | i);
+#endif
+
+ sdram->cfg1 = CFG_SDRAM_CFG1;
+ sdram->cfg2 = CFG_SDRAM_CFG2;
+
+ /* Issue PALL */
+ sdram->ctrl = CFG_SDRAM_CTRL | 2;
+
+ /* Issue LEMR */
+ sdram->mode = CFG_SDRAM_EMOD;
+ sdram->mode = (CFG_SDRAM_MODE | 0x04000000);
+
+ udelay(500);
+
+ /* Issue PALL */
+ sdram->ctrl = (CFG_SDRAM_CTRL | 2);
+
+ /* Perform two refresh cycles */
+ sdram->ctrl = CFG_SDRAM_CTRL | 4;
+ sdram->ctrl = CFG_SDRAM_CTRL | 4;
+
+ sdram->mode = CFG_SDRAM_MODE;
+
+ sdram->ctrl = (CFG_SDRAM_CTRL & ~0x80000000) | 0x10000F00;
+
+ udelay(100);
+
+ return dramsize;
+};
+
+int testdram(void)
+{
+ /* TODO: XXX XXX XXX */
+ printf("DRAM test not implemented!\n");
+
+ return (0);
+}
+
+#if defined(CONFIG_PCI)
+/*
+ * Initialize PCI devices, report devices found.
+ */
+static struct pci_controller hose;
+extern void pci_mcf547x_8x_init(struct pci_controller *hose);
+
+void pci_init_board(void)
+{
+ pci_mcf547x_8x_init(&hose);
+}
+#endif /* CONFIG_PCI */