Add support for SBC8641D. Board files.

Add support for Wind River's SBC8641D reference board.

Signed-off by: Joe Hamman <joe.hamman@embeddedspecialties.com>
Acked-by: Wolfgang Denk <wd@denx.de>
Acked-by: Jon Loeliger <jdl@freescale.com>

1 files changed, 326 insertions, 0 deletions

diff --git a/board/sbc8641d/sbc8641d.c b/board/sbc8641d/sbc8641d.c
new file mode 100644
index 0000000..e5dd550
--- /dev/null
+++ b/board/sbc8641d/sbc8641d.c
@@ -0,0 +1,326 @@
+/*
+ * Copyright 2007 Wind River Systemes, Inc. <www.windriver.com>
+ * Copyright 2007 Embedded Specialties, Inc.
+ * Joe Hamman joe.hamman@embeddedspecialties.com
+ *
+ * Copyright 2004 Freescale Semiconductor.
+ * Jeff Brown
+ * Srikanth Srinivasan (srikanth.srinivasan@freescale.com)
+ *
+ * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.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 <command.h>
+#include <pci.h>
+#include <asm/processor.h>
+#include <asm/immap_86xx.h>
+#include <spd.h>
+
+#if defined(CONFIG_OF_FLAT_TREE)
+#include <ft_build.h>
+extern void ft_cpu_setup (void *blob, bd_t * bd);
+#endif
+
+#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
+extern void ddr_enable_ecc (unsigned int dram_size);
+#endif
+
+#if defined(CONFIG_SPD_EEPROM)
+#include "spd_sdram.h"
+#endif
+
+void sdram_init (void);
+long int fixed_sdram (void);
+
+int board_early_init_f (void)
+{
+	return 0;
+}
+
+int checkboard (void)
+{
+	puts ("Board: Wind River SBC8641D\n");
+
+#ifdef CONFIG_PCI
+
+	volatile immap_t *immap = (immap_t *) CFG_CCSRBAR;
+	volatile ccsr_gur_t *gur = &immap->im_gur;
+	volatile ccsr_pex_t *pex1 = &immap->im_pex1;
+
+	uint devdisr = gur->devdisr;
+	uint io_sel = (gur->pordevsr & MPC86xx_PORDEVSR_IO_SEL) >> 16;
+	uint host1_agent = (gur->porbmsr & MPC86xx_PORBMSR_HA) >> 17;
+	uint pex1_agent = (host1_agent == 0) || (host1_agent == 1);
+
+	if ((io_sel == 2 || io_sel == 3 || io_sel == 5
+	     || io_sel == 6 || io_sel == 7 || io_sel == 0xF)
+	    && !(devdisr & MPC86xx_DEVDISR_PCIEX1)) {
+		debug ("PCI-EXPRESS 1: %s \n", pex1_agent ? "Agent" : "Host");
+		debug ("0x%08x=0x%08x ", &pex1->pme_msg_det, pex1->pme_msg_det);
+		if (pex1->pme_msg_det) {
+			pex1->pme_msg_det = 0xffffffff;
+			debug (" with errors.  Clearing.  Now 0x%08x",
+			       pex1->pme_msg_det);
+		}
+		debug ("\n");
+	} else {
+		puts ("PCI-EXPRESS 1: Disabled in hardware\n");
+	}
+
+#else
+	puts ("PCI-EXPRESS1: Disabled in configuration\n");
+#endif
+
+	return 0;
+}
+
+long int initdram (int board_type)
+{
+	long dram_size = 0;
+
+#if defined(CONFIG_SPD_EEPROM)
+	dram_size = spd_sdram ();
+#else
+	dram_size = fixed_sdram ();
+#endif
+
+#if defined(CFG_RAMBOOT)
+	puts ("    DDR: ");
+	return dram_size;
+#endif
+
+#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
+	/*
+	 * Initialize and enable DDR ECC.
+	 */
+	ddr_enable_ecc (dram_size);
+#endif
+
+	puts ("    DDR: ");
+	return dram_size;
+}
+
+#if defined(CFG_DRAM_TEST)
+int testdram (void)
+{
+	uint *pstart = (uint *) CFG_MEMTEST_START;
+	uint *pend = (uint *) CFG_MEMTEST_END;
+	uint *p;
+
+	puts ("SDRAM test phase 1:\n");
+	for (p = pstart; p < pend; p++)
+		*p = 0xaaaaaaaa;
+
+	for (p = pstart; p < pend; p++) {
+		if (*p != 0xaaaaaaaa) {
+			printf ("SDRAM test fails at: %08x\n", (uint) p);
+			return 1;
+		}
+	}
+
+	puts ("SDRAM test phase 2:\n");
+	for (p = pstart; p < pend; p++)
+		*p = 0x55555555;
+
+	for (p = pstart; p < pend; p++) {
+		if (*p != 0x55555555) {
+			printf ("SDRAM test fails at: %08x\n", (uint) p);
+			return 1;
+		}
+	}
+
+	puts ("SDRAM test passed.\n");
+	return 0;
+}
+#endif
+
+#if !defined(CONFIG_SPD_EEPROM)
+/*
+ * Fixed sdram init -- doesn't use serial presence detect.
+ */
+long int fixed_sdram (void)
+{
+#if !defined(CFG_RAMBOOT)
+	volatile immap_t *immap = (immap_t *) CFG_IMMR;
+	volatile ccsr_ddr_t *ddr = &immap->im_ddr1;
+
+	ddr->cs0_bnds = CFG_DDR_CS0_BNDS;
+	ddr->cs1_bnds = CFG_DDR_CS1_BNDS;
+	ddr->cs2_bnds = CFG_DDR_CS2_BNDS;
+	ddr->cs3_bnds = CFG_DDR_CS3_BNDS;
+	ddr->cs0_config = CFG_DDR_CS0_CONFIG;
+	ddr->cs1_config = CFG_DDR_CS1_CONFIG;
+	ddr->cs2_config = CFG_DDR_CS2_CONFIG;
+	ddr->cs3_config = CFG_DDR_CS3_CONFIG;
+	ddr->ext_refrec = CFG_DDR_EXT_REFRESH;
+	ddr->timing_cfg_0 = CFG_DDR_TIMING_0;
+	ddr->timing_cfg_1 = CFG_DDR_TIMING_1;
+	ddr->timing_cfg_2 = CFG_DDR_TIMING_2;
+	ddr->sdram_cfg_1 = CFG_DDR_CFG_1A;
+	ddr->sdram_cfg_2 = CFG_DDR_CFG_2;
+	ddr->sdram_mode_1 = CFG_DDR_MODE_1;
+	ddr->sdram_mode_2 = CFG_DDR_MODE_2;
+	ddr->sdram_mode_cntl = CFG_DDR_MODE_CTL;
+	ddr->sdram_interval = CFG_DDR_INTERVAL;
+	ddr->sdram_data_init = CFG_DDR_DATA_INIT;
+	ddr->sdram_clk_cntl = CFG_DDR_CLK_CTRL;
+
+	asm ("sync;isync");
+
+	udelay (500);
+
+	ddr->sdram_cfg_1 = CFG_DDR_CFG_1B;
+	asm ("sync; isync");
+
+	udelay (500);
+	ddr = &immap->im_ddr2;
+
+	ddr->cs0_bnds = CFG_DDR2_CS0_BNDS;
+	ddr->cs1_bnds = CFG_DDR2_CS1_BNDS;
+	ddr->cs2_bnds = CFG_DDR2_CS2_BNDS;
+	ddr->cs3_bnds = CFG_DDR2_CS3_BNDS;
+	ddr->cs0_config = CFG_DDR2_CS0_CONFIG;
+	ddr->cs1_config = CFG_DDR2_CS1_CONFIG;
+	ddr->cs2_config = CFG_DDR2_CS2_CONFIG;
+	ddr->cs3_config = CFG_DDR2_CS3_CONFIG;
+	ddr->ext_refrec = CFG_DDR2_EXT_REFRESH;
+	ddr->timing_cfg_0 = CFG_DDR2_TIMING_0;
+	ddr->timing_cfg_1 = CFG_DDR2_TIMING_1;
+	ddr->timing_cfg_2 = CFG_DDR2_TIMING_2;
+	ddr->sdram_cfg_1 = CFG_DDR2_CFG_1A;
+	ddr->sdram_cfg_2 = CFG_DDR2_CFG_2;
+	ddr->sdram_mode_1 = CFG_DDR2_MODE_1;
+	ddr->sdram_mode_2 = CFG_DDR2_MODE_2;
+	ddr->sdram_mode_cntl = CFG_DDR2_MODE_CTL;
+	ddr->sdram_interval = CFG_DDR2_INTERVAL;
+	ddr->sdram_data_init = CFG_DDR2_DATA_INIT;
+	ddr->sdram_clk_cntl = CFG_DDR2_CLK_CTRL;
+
+	asm ("sync;isync");
+
+	udelay (500);
+
+	ddr->sdram_cfg_1 = CFG_DDR2_CFG_1B;
+	asm ("sync; isync");
+
+	udelay (500);
+#endif
+	return CFG_SDRAM_SIZE * 1024 * 1024;
+}
+#endif				/* !defined(CONFIG_SPD_EEPROM) */
+
+#if defined(CONFIG_PCI)
+/*
+ * Initialize PCI Devices, report devices found.
+ */
+
+#ifndef CONFIG_PCI_PNP
+static struct pci_config_table pci_fsl86xxads_config_table[] = {
+	{PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
+	 PCI_IDSEL_NUMBER, PCI_ANY_ID,
+	 pci_cfgfunc_config_device, {PCI_ENET0_IOADDR,
+				     PCI_ENET0_MEMADDR,
+				     PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER}},
+	{}
+};
+#endif
+
+static struct pci_controller hose = {
+#ifndef CONFIG_PCI_PNP
+      config_table:pci_mpc86xxcts_config_table,
+#endif
+};
+
+#endif				/* CONFIG_PCI */
+
+void pci_init_board (void)
+{
+#ifdef CONFIG_PCI
+	extern void pci_mpc86xx_init (struct pci_controller *hose);
+
+	pci_mpc86xx_init (&hose);
+#endif				/* CONFIG_PCI */
+}
+
+#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP)
+void ft_board_setup (void *blob, bd_t * bd)
+{
+	u32 *p;
+	int len;
+
+	ft_cpu_setup (blob, bd);
+
+	p = ft_get_prop (blob, "/memory/reg", &len);
+	if (p != NULL) {
+		*p++ = cpu_to_be32 (bd->bi_memstart);
+		*p = cpu_to_be32 (bd->bi_memsize);
+	}
+}
+#endif
+
+void sbc8641d_reset_board (void)
+{
+	puts ("Resetting board....\n");
+}
+
+/*
+ * get_board_sys_clk
+ *      Clock is fixed at 1GHz on this board. Used for CONFIG_SYS_CLK_FREQ
+ */
+
+unsigned long get_board_sys_clk (ulong dummy)
+{
+	int i;
+	ulong val = 0;
+
+	i = 5;
+	i &= 0x07;
+
+	switch (i) {
+	case 0:
+		val = 33000000;
+		break;
+	case 1:
+		val = 40000000;
+		break;
+	case 2:
+		val = 50000000;
+		break;
+	case 3:
+		val = 66000000;
+		break;
+	case 4:
+		val = 83000000;
+		break;
+	case 5:
+		val = 100000000;
+		break;
+	case 6:
+		val = 134000000;
+		break;
+	case 7:
+		val = 166000000;
+		break;
+	}
+
+	return val;
+}