Initial support for "Socrates" board

Signed-off-by: Sergei Poselenov <sposelenov@emcraft.com>

1 files changed, 186 insertions, 0 deletions

diff --git a/board/socrates/socrates.c b/board/socrates/socrates.c
new file mode 100644
index 0000000..57f32fe
--- /dev/null
+++ b/board/socrates/socrates.c
@@ -0,0 +1,186 @@
+/*
+ * (C) Copyright 2008
+ * Sergei Poselenov, Emcraft Systems, sposelenov@emcraft.com.
+ *
+ * Copyright 2004 Freescale Semiconductor.
+ * (C) Copyright 2002,2003, Motorola Inc.
+ * Xianghua Xiao, (X.Xiao@motorola.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 <pci.h>
+#include <asm/processor.h>
+#include <asm/immap_85xx.h>
+#include <ioports.h>
+#include <flash.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+extern flash_info_t flash_info[];	/* FLASH chips info */
+
+void local_bus_init (void);
+ulong flash_get_size (ulong base, int banknum);
+
+int checkboard (void)
+{
+	char *s = getenv("serial#");
+
+	puts("Board: Socrates");
+	if (s != NULL) {
+		puts(", serial# ");
+		puts(s);
+	}
+	putc('\n');
+
+#ifdef CONFIG_PCI
+	printf ("PCI1:  32 bit, %d MHz (compiled)\n",
+		CONFIG_SYS_CLK_FREQ / 1000000);
+#else
+	printf ("PCI1:  disabled\n");
+#endif
+
+	/*
+	 * Initialize local bus.
+	 */
+	local_bus_init ();
+
+	return 0;
+}
+
+int misc_init_r (void)
+{
+	volatile ccsr_lbc_t *memctl = (void *)(CFG_MPC85xx_LBC_ADDR);
+
+	/*
+	 * Adjust flash start and offset to detected values
+	 */
+	gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
+	gd->bd->bi_flashoffset = 0;
+
+	/*
+	 * Check if boot FLASH isn't max size
+	 */
+	if (gd->bd->bi_flashsize < (0 - CFG_FLASH0)) {
+		memctl->or0 = gd->bd->bi_flashstart | (CFG_OR0_PRELIM & 0x00007fff);
+		memctl->br0 = gd->bd->bi_flashstart | (CFG_BR0_PRELIM & 0x00007fff);
+
+		/*
+		 * Re-check to get correct base address
+		 */
+		flash_get_size(gd->bd->bi_flashstart, CFG_MAX_FLASH_BANKS - 1);
+	}
+
+	/*
+	 * Check if only one FLASH bank is available
+	 */
+	if (gd->bd->bi_flashsize != CFG_MAX_FLASH_BANKS * (0 - CFG_FLASH0)) {
+		memctl->or1 = 0;
+		memctl->br1 = 0;
+
+		/*
+		 * Re-do flash protection upon new addresses
+		 */
+		flash_protect (FLAG_PROTECT_CLEAR,
+			       gd->bd->bi_flashstart, 0xffffffff,
+			       &flash_info[CFG_MAX_FLASH_BANKS - 1]);
+
+		/* Monitor protection ON by default */
+		flash_protect (FLAG_PROTECT_SET,
+			       CFG_MONITOR_BASE, CFG_MONITOR_BASE + monitor_flash_len - 1,
+			       &flash_info[CFG_MAX_FLASH_BANKS - 1]);
+
+		/* Environment protection ON by default */
+		flash_protect (FLAG_PROTECT_SET,
+			       CFG_ENV_ADDR,
+			       CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1,
+			       &flash_info[CFG_MAX_FLASH_BANKS - 1]);
+
+		/* Redundant environment protection ON by default */
+		flash_protect (FLAG_PROTECT_SET,
+			       CFG_ENV_ADDR_REDUND,
+			       CFG_ENV_ADDR_REDUND + CFG_ENV_SIZE_REDUND - 1,
+			       &flash_info[CFG_MAX_FLASH_BANKS - 1]);
+	}
+
+	return 0;
+}
+
+/*
+ * Initialize Local Bus
+ */
+void local_bus_init (void)
+{
+
+	volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
+	volatile ccsr_local_ecm_t *ecm = (void *)(CFG_MPC85xx_ECM_ADDR);
+
+	lbc->ltesr = 0xffffffff;	/* Clear LBC error interrupts */
+	lbc->lteir = 0xffffffff;	/* Enable LBC error interrupts */
+	ecm->eedr = 0xffffffff;		/* Clear ecm errors */
+	ecm->eeer = 0xffffffff;		/* Enable ecm errors */
+
+}
+
+#if defined(CONFIG_PCI)
+/*
+ * Initialize PCI Devices, report devices found.
+ */
+
+#ifndef CONFIG_PCI_PNP
+static struct pci_config_table pci_mpc85xxads_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_mpc85xxads_config_table,
+#endif
+};
+
+#endif /* CONFIG_PCI */
+
+
+void pci_init_board (void)
+{
+#ifdef CONFIG_PCI
+	pci_mpc85xx_init (&hose);
+#endif /* CONFIG_PCI */
+}
+
+#ifdef CONFIG_BOARD_EARLY_INIT_R
+int board_early_init_r (void)
+{
+#ifdef CONFIG_PS2MULT
+	ps2mult_early_init();
+#endif /* CONFIG_PS2MULT */
+	return (0);
+}
+#endif /* CONFIG_BOARD_EARLY_INIT_R */