convert brcm-2.4 to the new target structure

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7092 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 241 insertions, 0 deletions

diff --git a/target/linux/brcm-2.4/files/arch/mips/bcm947xx/setup.c b/target/linux/brcm-2.4/files/arch/mips/bcm947xx/setup.c
new file mode 100644
index 000000000..819a48d25
--- /dev/null
+++ b/target/linux/brcm-2.4/files/arch/mips/bcm947xx/setup.c
@@ -0,0 +1,241 @@
+/*
+ *  Generic setup routines for Broadcom MIPS boards
+ *
+ *  Copyright (C) 2005 Felix Fietkau <nbd@openwrt.org>
+ *
+ *  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  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  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.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *
+ * Copyright 2005, Broadcom Corporation
+ * All Rights Reserved.
+ * 
+ * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
+ * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
+ * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
+ *
+ */
+
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/serialP.h>
+#include <linux/ide.h>
+#include <asm/bootinfo.h>
+#include <asm/cpu.h>
+#include <asm/time.h>
+#include <asm/reboot.h>
+
+#include <typedefs.h>
+#include <osl.h>
+#include <sbutils.h>
+#include <bcmutils.h>
+#include <bcmnvram.h>
+#include <sbhndmips.h>
+#include <hndmips.h>
+#include <trxhdr.h>
+
+/* Virtual IRQ base, after last hw IRQ */
+#define SBMIPS_VIRTIRQ_BASE 6
+
+/* # IRQs, hw and sw IRQs */
+#define SBMIPS_NUMIRQS  8
+
+/* Global SB handle */
+sb_t *bcm947xx_sbh = NULL;
+spinlock_t bcm947xx_sbh_lock = SPIN_LOCK_UNLOCKED;
+
+/* Convenience */
+#define sbh bcm947xx_sbh
+#define sbh_lock bcm947xx_sbh_lock
+
+extern void bcm947xx_time_init(void);
+extern void bcm947xx_timer_setup(struct irqaction *irq);
+
+#ifdef CONFIG_REMOTE_DEBUG
+extern void set_debug_traps(void);
+extern void rs_kgdb_hook(struct serial_state *);
+extern void breakpoint(void);
+#endif
+
+#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
+extern struct ide_ops std_ide_ops;
+#endif
+
+/* Kernel command line */
+char arcs_cmdline[CL_SIZE] __initdata = CONFIG_CMDLINE;
+extern void sb_serial_init(sb_t *sbh, void (*add)(void *regs, uint irq, uint baud_base, uint reg_shift));
+
+void
+bcm947xx_machine_restart(char *command)
+{
+	printk("Please stand by while rebooting the system...\n");
+
+	/* Set the watchdog timer to reset immediately */
+	__cli();
+	sb_watchdog(sbh, 1);
+	while (1);
+}
+
+void
+bcm947xx_machine_halt(void)
+{
+	printk("System halted\n");
+
+	/* Disable interrupts and watchdog and spin forever */
+	__cli();
+	sb_watchdog(sbh, 0);
+	while (1);
+}
+
+#ifdef CONFIG_SERIAL
+
+static int ser_line = 0;
+
+typedef struct {
+        void *regs;
+        uint irq;
+        uint baud_base;
+        uint reg_shift;
+} serial_port;
+
+static serial_port ports[4];
+static int num_ports = 0;
+
+static void
+serial_add(void *regs, uint irq, uint baud_base, uint reg_shift)
+{
+        ports[num_ports].regs = regs;
+        ports[num_ports].irq = irq;
+        ports[num_ports].baud_base = baud_base;
+        ports[num_ports].reg_shift = reg_shift;
+        num_ports++;
+}
+
+static void
+do_serial_add(serial_port *port)
+{
+        void *regs;
+        uint irq;
+        uint baud_base;
+        uint reg_shift;
+        struct serial_struct s;
+        
+        regs = port->regs;
+        irq = port->irq;
+        baud_base = port->baud_base;
+        reg_shift = port->reg_shift;
+
+        memset(&s, 0, sizeof(s));
+
+        s.line = ser_line++;
+        s.iomem_base = regs;
+        s.irq = irq + 2;
+        s.baud_base = baud_base / 16;
+        s.flags = ASYNC_BOOT_AUTOCONF;
+        s.io_type = SERIAL_IO_MEM;
+        s.iomem_reg_shift = reg_shift;
+
+        if (early_serial_setup(&s) != 0) {
+                printk(KERN_ERR "Serial setup failed!\n");
+        }
+}
+
+#endif /* CONFIG_SERIAL */
+
+void __init
+brcm_setup(void)
+{
+	char *s;
+	int i;
+	char *value;
+
+	/* Get global SB handle */
+	sbh = sb_kattach();
+
+	/* Initialize clocks and interrupts */
+	sb_mips_init(sbh, SBMIPS_VIRTIRQ_BASE);
+
+	if (BCM330X(current_cpu_data.processor_id) &&
+		(read_c0_diag() & BRCM_PFC_AVAIL)) {
+		/* 
+		 * Now that the sbh is inited set the  proper PFC value 
+		 */	
+		printk("Setting the PFC to its default value\n");
+		enable_pfc(PFC_AUTO);
+	}
+
+
+#ifdef CONFIG_SERIAL
+	sb_serial_init(sbh, serial_add);
+
+	/* reverse serial ports if nvram variable starts with console=ttyS1 */
+	/* Initialize UARTs */
+	s = nvram_get("kernel_args");
+	if (!s) s = "";
+	if (!strncmp(s, "console=ttyS1", 13)) {
+		for (i = num_ports; i; i--)
+			do_serial_add(&ports[i - 1]);
+	} else {
+		for (i = 0; i < num_ports; i++)
+			do_serial_add(&ports[i]);
+	}
+#endif
+
+#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
+	ide_ops = &std_ide_ops;
+#endif
+
+	/* Override default command line arguments */
+	value = nvram_get("kernel_cmdline");
+	if (value && strlen(value) && strncmp(value, "empty", 5))
+		strncpy(arcs_cmdline, value, sizeof(arcs_cmdline));
+
+
+	/* Generic setup */
+	_machine_restart = bcm947xx_machine_restart;
+	_machine_halt = bcm947xx_machine_halt;
+	_machine_power_off = bcm947xx_machine_halt;
+
+	board_time_init = bcm947xx_time_init;
+	board_timer_setup = bcm947xx_timer_setup;
+}
+
+const char *
+get_system_type(void)
+{
+	static char s[32];
+
+	if (bcm947xx_sbh) {
+		sprintf(s, "Broadcom BCM%X chip rev %d", sb_chip(bcm947xx_sbh),
+			sb_chiprev(bcm947xx_sbh));
+		return s;
+	}
+	else
+		return "Broadcom BCM947XX";
+}
+
+void __init
+bus_error_init(void)
+{
+}
+