X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fppc%2Fsyslib%2Fppc4xx_setup.c;h=debe14c083a12834b76477b03b2f9c6ace7cae32;hb=refs%2Fheads%2Fvserver;hp=f7458822f7b6bfe3dcdf97e1ee637d5640523400;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git

diff --git a/arch/ppc/syslib/ppc4xx_setup.c b/arch/ppc/syslib/ppc4xx_setup.c
index f7458822f..debe14c08 100644
--- a/arch/ppc/syslib/ppc4xx_setup.c
+++ b/arch/ppc/syslib/ppc4xx_setup.c
@@ -13,12 +13,10 @@
  *
  */
 
-#include <linux/config.h>
 #include <linux/init.h>
 #include <linux/smp.h>
 #include <linux/threads.h>
 #include <linux/spinlock.h>
-#include <linux/irq.h>
 #include <linux/reboot.h>
 #include <linux/param.h>
 #include <linux/string.h>
@@ -42,29 +40,31 @@
 #include <asm/pci-bridge.h>
 #include <asm/bootinfo.h>
 
+#include <syslib/gen550.h>
+
 /* Function Prototypes */
 extern void abort(void);
 extern void ppc4xx_find_bridges(void);
 
-extern void ppc4xx_wdt_heartbeat(void);
-extern int wdt_enable;
-extern unsigned long wdt_period;
-
 /* Global Variables */
 bd_t __res;
 
 void __init
 ppc4xx_setup_arch(void)
 {
-	/* Setup PCI host bridges */
+#if !defined(CONFIG_BDI_SWITCH)
+	/*
+	 * The Abatron BDI JTAG debugger does not tolerate others
+	 * mucking with the debug registers.
+	 */
+        mtspr(SPRN_DBCR0, (DBCR0_IDM));
+	mtspr(SPRN_DBSR, 0xffffffff);
+#endif
 
+	/* Setup PCI host bridges */
 #ifdef CONFIG_PCI
 	ppc4xx_find_bridges();
 #endif
-
-#if defined(CONFIG_FB)
-	conswitchp = &dummy_con;
-#endif
 }
 
 /*
@@ -127,12 +127,7 @@ ppc4xx_map_io(void)
 void __init
 ppc4xx_init_IRQ(void)
 {
-	int i;
-
 	ppc4xx_pic_init();
-
-	for (i = 0; i < NR_IRQS; i++)
-		irq_desc[i].handler = ppc4xx_pic;
 }
 
 static void
@@ -170,7 +165,7 @@ ppc4xx_calibrate_decr(void)
 	unsigned int freq;
 	bd_t *bip = &__res;
 
-#if defined(CONFIG_WALNUT) || defined(CONFIG_ASH) || defined(CONFIG_SYCAMORE)
+#if defined(CONFIG_WALNUT) || defined(CONFIG_SYCAMORE)
 	/* Walnut boot rom sets DCR CHCR1 (aka CPC0_CR1) bit CETE to 1 */
 	mtdcr(DCRN_CHCR1, mfdcr(DCRN_CHCR1) & ~CHR1_CETE);
 #endif
@@ -193,34 +188,6 @@ ppc4xx_calibrate_decr(void)
 	/* Set the PIT reload value and just let it run. */
 	mtspr(SPRN_PIT, tb_ticks_per_jiffy);
 }
-#ifdef CONFIG_SERIAL_TEXT_DEBUG
-
-/* We assume that the UART has already been initialized by the
-   firmware or the boot loader */
-static void
-serial_putc(u8 * com_port, unsigned char c)
-{
-	while ((readb(com_port + (UART_LSR)) & UART_LSR_THRE) == 0) ;
-	writeb(c, com_port);
-}
-
-static void
-ppc4xx_progress(char *s, unsigned short hex)
-{
-	char c;
-#ifdef SERIAL_DEBUG_IO_BASE
-	u8 *com_port = (u8 *) SERIAL_DEBUG_IO_BASE;
-
-	while ((c = *s++) != '\0') {
-		serial_putc(com_port, c);
-	}
-	serial_putc(com_port, '\r');
-	serial_putc(com_port, '\n');
-#else
-	printk("%s\r\n");
-#endif
-}
-#endif				/* CONFIG_SERIAL_TEXT_DEBUG */
 
 /*
  * IDE stuff.
@@ -284,22 +251,6 @@ ppc4xx_init(unsigned long r3, unsigned long r4, unsigned long r5,
 		*(char *) (r7 + KERNELBASE) = 0;
 		strcpy(cmd_line, (char *) (r6 + KERNELBASE));
 	}
-#if defined(CONFIG_PPC405_WDT)
-/* Look for wdt= option on command line */
-	if (strstr(cmd_line, "wdt=")) {
-		int valid_wdt = 0;
-		char *p, *q;
-		for (q = cmd_line; (p = strstr(q, "wdt=")) != 0;) {
-			q = p + 4;
-			if (p > cmd_line && p[-1] != ' ')
-				continue;
-			wdt_period = simple_strtoul(q, &q, 0);
-			valid_wdt = 1;
-			++q;
-		}
-		wdt_enable = valid_wdt;
-	}
-#endif
 
 	/* Initialize machine-dependent vectors */
 
@@ -314,23 +265,30 @@ ppc4xx_init(unsigned long r3, unsigned long r4, unsigned long r5,
 
 	ppc_md.calibrate_decr = ppc4xx_calibrate_decr;
 
-#ifdef CONFIG_PPC405_WDT
-	ppc_md.heartbeat = ppc4xx_wdt_heartbeat;
-#endif
-	ppc_md.heartbeat_count = 0;
-
 	ppc_md.find_end_of_memory = ppc4xx_find_end_of_memory;
 	ppc_md.setup_io_mappings = ppc4xx_map_io;
 
 #ifdef CONFIG_SERIAL_TEXT_DEBUG
-	ppc_md.progress = ppc4xx_progress;
+	ppc_md.progress = gen550_progress;
 #endif
 
-/*
-**   m8xx_setup.c, prep_setup.c use
-**     defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
-*/
 #if defined(CONFIG_PCI) && defined(CONFIG_IDE)
 	ppc_ide_md.ide_init_hwif = ppc4xx_ide_init_hwif_ports;
 #endif /* defined(CONFIG_PCI) && defined(CONFIG_IDE) */
 }
+
+/* Called from machine_check_exception */
+void platform_machine_check(struct pt_regs *regs)
+{
+#if defined(DCRN_PLB0_BEAR)
+	printk("PLB0: BEAR= 0x%08x ACR=   0x%08x BESR=  0x%08x\n",
+	    mfdcr(DCRN_PLB0_BEAR), mfdcr(DCRN_PLB0_ACR),
+	    mfdcr(DCRN_PLB0_BESR));
+#endif
+#if defined(DCRN_POB0_BEAR)
+	printk("PLB0 to OPB: BEAR= 0x%08x BESR0= 0x%08x BESR1= 0x%08x\n",
+	    mfdcr(DCRN_POB0_BEAR), mfdcr(DCRN_POB0_BESR0),
+	    mfdcr(DCRN_POB0_BESR1));
+#endif
+
+}