[MIPS] Add back support for LASAT platforms

Signed-off-by: Brian Murphy <brian@murphy.dk>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 158 insertions, 0 deletions

diff --git a/arch/mips/lasat/setup.c b/arch/mips/lasat/setup.c
new file mode 100644
index 00000000000..187e37821d9
--- /dev/null
+++ b/arch/mips/lasat/setup.c
@@ -0,0 +1,158 @@
+/*
+ * Carsten Langgaard, carstenl@mips.com
+ * Copyright (C) 1999 MIPS Technologies, Inc.  All rights reserved.
+ *
+ * Thomas Horsten <thh@lasat.com>
+ * Copyright (C) 2000 LASAT Networks A/S.
+ *
+ * Brian Murphy <brian@murphy.dk>
+ *
+ *  This program is free software; you can distribute it and/or modify it
+ *  under the terms of the GNU General Public License (Version 2) as
+ *  published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope 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.
+ *
+ * Lasat specific setup.
+ */
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/pci.h>
+#include <linux/interrupt.h>
+#include <linux/tty.h>
+
+#include <asm/time.h>
+#include <asm/cpu.h>
+#include <asm/bootinfo.h>
+#include <asm/irq.h>
+#include <asm/lasat/lasat.h>
+#include <asm/lasat/serial.h>
+
+#ifdef CONFIG_PICVUE
+#include <linux/notifier.h>
+#endif
+
+#include "ds1603.h"
+#include <asm/lasat/ds1603.h>
+#include <asm/lasat/picvue.h>
+#include <asm/lasat/eeprom.h>
+
+#include "prom.h"
+
+int lasat_command_line;
+void lasatint_init(void);
+
+extern void lasat_reboot_setup(void);
+extern void pcisetup(void);
+extern void edhac_init(void *, void *, void *);
+extern void addrflt_init(void);
+
+struct lasat_misc lasat_misc_info[N_MACHTYPES] = {
+	{
+		.reset_reg	= (void *)KSEG1ADDR(0x1c840000),
+		.flash_wp_reg	= (void *)KSEG1ADDR(0x1c800000), 2
+	}, {
+		.reset_reg	= (void *)KSEG1ADDR(0x11080000),
+		.flash_wp_reg	= (void *)KSEG1ADDR(0x11000000), 6
+	}
+};
+
+struct lasat_misc *lasat_misc;
+
+#ifdef CONFIG_DS1603
+static struct ds_defs ds_defs[N_MACHTYPES] = {
+	{ (void *)DS1603_REG_100, (void *)DS1603_REG_100,
+		DS1603_RST_100, DS1603_CLK_100, DS1603_DATA_100,
+		DS1603_DATA_SHIFT_100, 0, 0 },
+	{ (void *)DS1603_REG_200, (void *)DS1603_DATA_REG_200,
+		DS1603_RST_200, DS1603_CLK_200, DS1603_DATA_200,
+		DS1603_DATA_READ_SHIFT_200, 1, 2000 }
+};
+#endif
+
+#ifdef CONFIG_PICVUE
+#include "picvue.h"
+static struct pvc_defs pvc_defs[N_MACHTYPES] = {
+	{ (void *)PVC_REG_100, PVC_DATA_SHIFT_100, PVC_DATA_M_100,
+		PVC_E_100, PVC_RW_100, PVC_RS_100 },
+	{ (void *)PVC_REG_200, PVC_DATA_SHIFT_200, PVC_DATA_M_200,
+		PVC_E_200, PVC_RW_200, PVC_RS_200 }
+};
+#endif
+
+static int lasat_panic_display(struct notifier_block *this,
+			     unsigned long event, void *ptr)
+{
+#ifdef CONFIG_PICVUE
+	unsigned char *string = ptr;
+	if (string == NULL)
+		string = "Kernel Panic";
+	pvc_dump_string(string);
+#endif
+	return NOTIFY_DONE;
+}
+
+static int lasat_panic_prom_monitor(struct notifier_block *this,
+			     unsigned long event, void *ptr)
+{
+	prom_monitor();
+	return NOTIFY_DONE;
+}
+
+static struct notifier_block lasat_panic_block[] =
+{
+	{
+		.notifier_call	= lasat_panic_display,
+		.priority	= INT_MAX
+	}, {
+		.notifier_call	= lasat_panic_prom_monitor,
+		.priority	= INT_MIN
+	}
+};
+
+static void lasat_time_init(void)
+{
+	mips_hpt_frequency = lasat_board_info.li_cpu_hz / 2;
+}
+
+void __init plat_timer_setup(struct irqaction *irq)
+{
+	change_c0_status(ST0_IM, IE_IRQ0 | IE_IRQ5);
+}
+
+void __init plat_mem_setup(void)
+{
+	int i;
+	lasat_misc  = &lasat_misc_info[mips_machtype];
+#ifdef CONFIG_PICVUE
+	picvue = &pvc_defs[mips_machtype];
+#endif
+
+	/* Set up panic notifier */
+	for (i = 0; i < ARRAY_SIZE(lasat_panic_block); i++)
+		atomic_notifier_chain_register(&panic_notifier_list,
+				&lasat_panic_block[i]);
+
+	lasat_reboot_setup();
+
+	board_time_init = lasat_time_init;
+
+#ifdef CONFIG_DS1603
+	ds1603 = &ds_defs[mips_machtype];
+	rtc_mips_get_time = ds1603_read;
+	rtc_mips_set_time = ds1603_set;
+#endif
+
+#ifdef DYNAMIC_SERIAL_INIT
+	serial_init();
+#endif
+
+	pr_info("Lasat specific initialization complete\n");
+}