Merge git://www.denx.de/git/u-boot

1 files changed, 164 insertions, 0 deletions

diff --git a/board/freescale/m54455evb/m54455evb.c b/board/freescale/m54455evb/m54455evb.c
new file mode 100644
index 0000000..6a02782
--- /dev/null
+++ b/board/freescale/m54455evb/m54455evb.c
@@ -0,0 +1,164 @@
+/*
+ * (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 <common.h>
+#include <pci.h>
+#include <asm/immap.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int checkboard(void)
+{
+	puts("Board: ");
+	puts("Freescale M54455 EVB\n");
+	return 0;
+};
+
+long int initdram(int board_type)
+{
+	volatile sdramc_t *sdram = (volatile sdramc_t *)(MMAP_SDRAM);
+	volatile gpio_t *gpio = (volatile gpio_t *)(MMAP_GPIO);
+	u32 dramsize, i;
+
+	dramsize = CFG_SDRAM_SIZE * 0x100000 >> 1;
+
+	for (i = 0x13; i < 0x20; i++) {
+		if (dramsize == (1 << i))
+			break;
+	}
+	i--;
+
+	gpio->mscr_sdram = 0xAA;
+
+	sdram->sdcs0 = (CFG_SDRAM_BASE | i);
+	sdram->sdcs1 = (CFG_SDRAM_BASE1 | i);
+
+	sdram->sdcfg1 = CFG_SDRAM_CFG1;
+	sdram->sdcfg2 = CFG_SDRAM_CFG2;
+
+	/* Issue PALL */
+	sdram->sdcr = CFG_SDRAM_CTRL | 2;
+
+	/* Issue LEMR */
+	sdram->sdmr = CFG_SDRAM_EMOD | 0x408;
+	sdram->sdmr = CFG_SDRAM_MODE | 0x300;
+
+	udelay(500);
+
+	/* Issue PALL */
+	sdram->sdcr = CFG_SDRAM_CTRL | 2;
+
+	/* Perform two refresh cycles */
+	sdram->sdcr = CFG_SDRAM_CTRL | 4;
+	sdram->sdcr = CFG_SDRAM_CTRL | 4;
+
+	sdram->sdmr = CFG_SDRAM_MODE | 0x200;
+
+	sdram->sdcr = (CFG_SDRAM_CTRL & ~0x80000000) | 0x10000c00;
+
+	udelay(100);
+
+	return (dramsize << 1);
+};
+
+int testdram(void)
+{
+	/* TODO: XXX XXX XXX */
+	printf("DRAM test not implemented!\n");
+
+	return (0);
+}
+
+#if defined(CONFIG_CMD_IDE)
+#include <ata.h>
+
+int ide_preinit(void)
+{
+	volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+
+	gpio->par_fec |= (gpio->par_fec & GPIO_PAR_FEC_FEC1_MASK) | 0x10;
+	gpio->par_feci2c |=
+	    (gpio->par_feci2c & 0xF0FF) | (GPIO_PAR_FECI2C_MDC1_ATA_DIOR |
+					   GPIO_PAR_FECI2C_MDIO1_ATA_DIOW);
+	gpio->par_ata |=
+	    (GPIO_PAR_ATA_BUFEN | GPIO_PAR_ATA_CS1 | GPIO_PAR_ATA_CS0 |
+	     GPIO_PAR_ATA_DA2 | GPIO_PAR_ATA_DA1 | GPIO_PAR_ATA_DA0
+	     | GPIO_PAR_ATA_RESET_RESET | GPIO_PAR_ATA_DMARQ_DMARQ |
+	     GPIO_PAR_ATA_IORDY_IORDY);
+	gpio->par_pci |=
+	    (GPIO_PAR_PCI_GNT3_ATA_DMACK | GPIO_PAR_PCI_REQ3_ATA_INTRQ);
+
+	return (0);
+}
+
+void ide_set_reset(int idereset)
+{
+	volatile atac_t *ata = (atac_t *) MMAP_ATA;
+	long period;
+	/*  t1,  t2,  t3,  t4,  t5,  t6,  t9, tRD,  tA */
+	int piotms[5][9] = {
+		{70, 165, 60, 30, 50, 5, 20, 0, 35},	/* PIO 0 */
+		{50, 125, 45, 20, 35, 5, 15, 0, 35},	/* PIO 1 */
+		{30, 100, 30, 15, 20, 5, 10, 0, 35},	/* PIO 2 */
+		{30, 80, 30, 10, 20, 5, 10, 0, 35},	/* PIO 3 */
+		{25, 70, 20, 10, 20, 5, 10, 0, 35}
+	};			/* PIO 4 */
+
+	if (idereset) {
+		ata->cr = 0;	/* control reset */
+		udelay(10000);
+	} else {
+#define CALC_TIMING(t) (t + period - 1) / period
+		period = 1000000000 / gd->bus_clk;	/* period in ns */
+
+		/*ata->ton = CALC_TIMING (180); */
+		ata->t1 = CALC_TIMING(piotms[2][0]);
+		ata->t2w = CALC_TIMING(piotms[2][1]);
+		ata->t2r = CALC_TIMING(piotms[2][1]);
+		ata->ta = CALC_TIMING(piotms[2][8]);
+		ata->trd = CALC_TIMING(piotms[2][7]);
+		ata->t4 = CALC_TIMING(piotms[2][3]);
+		ata->t9 = CALC_TIMING(piotms[2][6]);
+
+		ata->cr = 0x40;	/* IORDY enable */
+		udelay(200000);
+		ata->cr |= 0x01;	/* IORDY enable */
+	}
+}
+#endif
+
+#if defined(CONFIG_PCI)
+/*
+ * Initialize PCI devices, report devices found.
+ */
+static struct pci_controller hose;
+extern void pci_mcf5445x_init(struct pci_controller *hose);
+
+void pci_init_board(void)
+{
+	pci_mcf5445x_init(&hose);
+}
+#endif				/* CONFIG_PCI */