Initial revision

1 files changed, 214 insertions, 0 deletions

diff --git a/board/pcippc2/pcippc2.c b/board/pcippc2/pcippc2.c
new file mode 100644
index 0000000..e1b065b
--- /dev/null
+++ b/board/pcippc2/pcippc2.c
@@ -0,0 +1,214 @@
+/*
+ * (C) Copyright 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * 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 <command.h>
+#include <asm/io.h>
+#include <linux/mtd/doc2000.h>
+#include <watchdog.h>
+#include <pci.h>
+
+#include "hardware.h"
+#include "pcippc2.h"
+#include "sconsole.h"
+#include "fpga_serial.h"
+
+#if defined(CONFIG_WATCHDOG)
+
+static int pcippc2_wdt_init_done = 0;
+
+void pcippc2_wdt_init (void);
+
+#endif
+
+  /* Check board identity
+   */
+int checkboard (void)
+{
+#ifdef CONFIG_PCIPPC2
+	puts ("Board: Gespac PCIPPC-2\n");
+#else
+	puts ("Board: Gespac PCIPPC-6\n");
+#endif
+	return 0;
+}
+
+  /* RAM size is stored in CPC0_RGBAN1
+   */
+u32 pcippc2_sdram_size (void)
+{
+	return in32 (REG (CPC0, RGBAN1));
+}
+
+long initdram (int board_type)
+{
+	return cpc710_ram_init ();
+}
+
+void do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
+{
+	out32 (REG (CPC0, SPOR), 0);
+	iobarrier_rw ();
+	while (1);
+}
+
+int board_pre_init (void)
+{
+	out32 (REG (CPC0, RSTR), 0xC0000000);
+	iobarrier_rw ();
+
+	out32 (REG (CPC0, RSTR), 0xF0000000);
+	iobarrier_rw ();
+
+	out32 (REG (CPC0, UCTL), 0x00F80000);
+
+	out32 (REG (CPC0, SIOC0), 0x30000000);
+
+	out32 (REG (CPC0, ABCNTL), 0x00000000);
+
+	out32 (REG (CPC0, SESR), 0x00000000);
+	out32 (REG (CPC0, SEAR), 0x00000000);
+
+	/* Detect IBM Avignon CPC710 Revision */
+	if ((in32 (REG (CPC0, UCTL)) & 0x000000F0) == CPC710_TYPE_100P)
+		out32 (REG (CPC0, PGCHP), 0xA0000040);
+	else
+		out32 (REG (CPC0, PGCHP), 0x80800040);
+
+
+	out32 (REG (CPC0, ATAS), 0x709C2508);
+
+	iobarrier_rw ();
+
+	return 0;
+}
+
+void after_reloc (ulong dest_addr)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	/* Jump to the main U-Boot board init code
+	 */
+	board_init_r (gd, dest_addr);
+}
+
+int misc_init_r (void)
+{
+	pcippc2_fpga_init ();
+
+#if defined(CONFIG_WATCHDOG)
+	pcippc2_wdt_init ();
+#endif
+
+	fpga_serial_init (sconsole_get_baudrate ());
+
+	sconsole_putc   = fpga_serial_putc;
+	sconsole_puts   = fpga_serial_puts;
+	sconsole_getc   = fpga_serial_getc;
+	sconsole_tstc   = fpga_serial_tstc;
+	sconsole_setbrg = fpga_serial_setbrg;
+
+	sconsole_flush ();
+	return (0);
+}
+
+void pci_init (void)
+{
+	cpc710_pci_init ();
+
+	/* FPGA requires no retry timeouts to be enabled
+	 */
+	cpc710_pci_enable_timeout ();
+}
+
+void doc_init (void)
+{
+	doc_probe (pcippc2_fpga1_phys + HW_FPGA1_DOC);
+}
+
+#if defined(CONFIG_WATCHDOG)
+
+void pcippc2_wdt_init (void)
+{
+	out16r (FPGA (WDT, PROG), 0xffff);
+	out8 (FPGA (WDT, CTRL), 0x1);
+
+	pcippc2_wdt_init_done = 1;
+}
+
+void pcippc2_wdt_done (void)
+{
+	out8 (FPGA (WDT, CTRL), 0x0);
+
+	pcippc2_wdt_init_done = 0;
+}
+
+void pcippc2_wdt_reset (void)
+{
+	if (pcippc2_wdt_init_done == 1)
+		out8 (FPGA (WDT, REFRESH), 0x56);
+}
+
+void watchdog_reset (void)
+{
+	int re_enable = disable_interrupts ();
+
+	pcippc2_wdt_reset ();
+	if (re_enable)
+		enable_interrupts ();
+}
+
+#if (CONFIG_COMMANDS & CFG_CMD_BSP)
+int do_wd (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
+{
+	switch (argc) {
+	case 1:
+		printf ("Watchdog timer status is %s\n",
+			pcippc2_wdt_init_done == 1 ? "on" : "off");
+
+		return 0;
+	case 2:
+		if (!strcmp(argv[1],"on")) {
+			pcippc2_wdt_init();
+			printf("Watchdog timer now is on\n");
+
+			return 0;
+
+		} else if (!strcmp(argv[1],"off")) {
+			pcippc2_wdt_done();
+			printf("Watchdog timer now is off\n");
+
+			return 0;
+
+		} else
+			break;
+	default:
+		break;
+	}
+	printf ("Usage:\n%s\n", cmdtp->usage);
+	return 1;
+}
+
+#endif	/* CFG_CMD_BSP */
+#endif	/* CONFIG_WATCHDOG */