debug.c
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上传日期:2013-02-24
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文件大小:5k
- /***********************************************************************
- *
- * Copyright 2001 MontaVista Software Inc.
- * Author: jsun@mvista.com or jsun@junsun.net
- *
- * arch/mips/ddb5xxx/ddb5477/debug.c
- * vrc5477 specific debug routines.
- *
- * 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.
- *
- ***********************************************************************
- */
- #include <linux/kernel.h>
- #include <linux/interrupt.h>
- #include <linux/signal.h> /* SA_INTERRUPT */
- #include <asm/mipsregs.h>
- #include <asm/ddb5xxx/ddb5xxx.h>
- typedef struct {
- const char *regname;
- unsigned regaddr;
- } Register;
- void jsun_show_regs(char *name, Register *regs)
- {
- int i;
- printk("nshow regs: %sn", name);
- for(i=0;regs[i].regname!= NULL; i++) {
- printk("%-16s= %08xtt(@%08x)n",
- regs[i].regname,
- *(unsigned *)(regs[i].regaddr),
- regs[i].regaddr);
- }
- }
- static Register int_regs[] = {
- {"DDB_INTCTRL0", DDB_BASE + DDB_INTCTRL0},
- {"DDB_INTCTRL1", DDB_BASE + DDB_INTCTRL1},
- {"DDB_INTCTRL2", DDB_BASE + DDB_INTCTRL2},
- {"DDB_INTCTRL3", DDB_BASE + DDB_INTCTRL3},
- {"DDB_INT0STAT", DDB_BASE + DDB_INT0STAT},
- {"DDB_INT1STAT", DDB_BASE + DDB_INT1STAT},
- {"DDB_INT2STAT", DDB_BASE + DDB_INT2STAT},
- {"DDB_INT3STAT", DDB_BASE + DDB_INT3STAT},
- {"DDB_INT4STAT", DDB_BASE + DDB_INT4STAT},
- {"DDB_NMISTAT", DDB_BASE + DDB_NMISTAT},
- {"DDB_INTPPES0", DDB_BASE + DDB_INTPPES0},
- {"DDB_INTPPES1", DDB_BASE + DDB_INTPPES1},
- {NULL, 0x0}
- };
- void vrc5477_show_int_regs()
- {
- jsun_show_regs("interrupt registers", int_regs);
- printk("CPU CAUSE = %08xn", read_32bit_cp0_register(CP0_CAUSE));
- printk("CPU STATUS = %08xn", read_32bit_cp0_register(CP0_STATUS));
- }
- static Register pdar_regs[] = {
- {"DDB_SDRAM0", DDB_BASE + DDB_SDRAM0},
- {"DDB_SDRAM1", DDB_BASE + DDB_SDRAM1},
- {"DDB_LDCS0", DDB_BASE + DDB_LDCS0},
- {"DDB_LDCS1", DDB_BASE + DDB_LDCS1},
- {"DDB_LDCS2", DDB_BASE + DDB_LDCS2},
- {"DDB_INTCS", DDB_BASE + DDB_INTCS},
- {"DDB_BOOTCS", DDB_BASE + DDB_BOOTCS},
- {"DDB_PCIW0", DDB_BASE + DDB_PCIW0},
- {"DDB_PCIW1", DDB_BASE + DDB_PCIW1},
- {"DDB_IOPCIW0", DDB_BASE + DDB_IOPCIW0},
- {"DDB_IOPCIW1", DDB_BASE + DDB_IOPCIW1},
- {NULL, 0x0}
- };
- void vrc5477_show_pdar_regs(void)
- {
- jsun_show_regs("PDAR regs", pdar_regs);
- }
- static Register bar_regs[] = {
- {"DDB_BARC0", DDB_BASE + DDB_BARC0},
- {"DDB_BARM010", DDB_BASE + DDB_BARM010},
- {"DDB_BARM230", DDB_BASE + DDB_BARM230},
- {"DDB_BAR00", DDB_BASE + DDB_BAR00},
- {"DDB_BAR10", DDB_BASE + DDB_BAR10},
- {"DDB_BAR20", DDB_BASE + DDB_BAR20},
- {"DDB_BAR30", DDB_BASE + DDB_BAR30},
- {"DDB_BAR40", DDB_BASE + DDB_BAR40},
- {"DDB_BAR50", DDB_BASE + DDB_BAR50},
- {"DDB_BARB0", DDB_BASE + DDB_BARB0},
- {"DDB_BARC1", DDB_BASE + DDB_BARC1},
- {"DDB_BARM011", DDB_BASE + DDB_BARM011},
- {"DDB_BARM231", DDB_BASE + DDB_BARM231},
- {"DDB_BAR01", DDB_BASE + DDB_BAR01},
- {"DDB_BAR11", DDB_BASE + DDB_BAR11},
- {"DDB_BAR21", DDB_BASE + DDB_BAR21},
- {"DDB_BAR31", DDB_BASE + DDB_BAR31},
- {"DDB_BAR41", DDB_BASE + DDB_BAR41},
- {"DDB_BAR51", DDB_BASE + DDB_BAR51},
- {"DDB_BARB1", DDB_BASE + DDB_BARB1},
- {NULL, 0x0}
- };
- void vrc5477_show_bar_regs(void)
- {
- jsun_show_regs("BAR regs", bar_regs);
- }
- static Register pci_regs[] = {
- {"DDB_PCIW0", DDB_BASE + DDB_PCIW0},
- {"DDB_PCIW1", DDB_BASE + DDB_PCIW1},
- {"DDB_PCIINIT00", DDB_BASE + DDB_PCIINIT00},
- {"DDB_PCIINIT10", DDB_BASE + DDB_PCIINIT10},
- {"DDB_PCICTL0_L", DDB_BASE + DDB_PCICTL0_L},
- {"DDB_PCICTL0_H", DDB_BASE + DDB_PCICTL0_H},
- {"DDB_PCIARB0_L", DDB_BASE + DDB_PCIARB0_L},
- {"DDB_PCIARB0_H", DDB_BASE + DDB_PCIARB0_H},
- {"DDB_PCISWP0", DDB_BASE + DDB_PCISWP0},
- {"DDB_PCIERR0", DDB_BASE + DDB_PCIERR0},
- {"DDB_IOPCIW0", DDB_BASE + DDB_IOPCIW0},
- {"DDB_IOPCIW1", DDB_BASE + DDB_IOPCIW1},
- {"DDB_PCIINIT01", DDB_BASE + DDB_PCIINIT01},
- {"DDB_PCIINIT11", DDB_BASE + DDB_PCIINIT11},
- {"DDB_PCICTL1_L", DDB_BASE + DDB_PCICTL1_L},
- {"DDB_PCICTL1_H", DDB_BASE + DDB_PCICTL1_H},
- {"DDB_PCIARB1_L", DDB_BASE + DDB_PCIARB1_L},
- {"DDB_PCIARB1_H", DDB_BASE + DDB_PCIARB1_H},
- {"DDB_PCISWP1", DDB_BASE + DDB_PCISWP1},
- {"DDB_PCIERR1", DDB_BASE + DDB_PCIERR1},
- {NULL, 0x0}
- };
- void vrc5477_show_pci_regs(void)
- {
- jsun_show_regs("PCI regs", pci_regs);
- }
- static Register lb_regs[] = {
- {"DDB_LCNFG", DDB_BASE + DDB_LCNFG},
- {"DDB_LCST0", DDB_BASE + DDB_LCST0},
- {"DDB_LCST1", DDB_BASE + DDB_LCST1},
- {"DDB_LCST2", DDB_BASE + DDB_LCST2},
- {"DDB_ERRADR", DDB_BASE + DDB_ERRADR},
- {"DDB_ERRCS", DDB_BASE + DDB_ERRCS},
- {"DDB_BTM", DDB_BASE + DDB_BTM},
- {"DDB_BCST", DDB_BASE + DDB_BCST},
- {NULL, 0x0}
- };
- void vrc5477_show_lb_regs(void)
- {
- jsun_show_regs("Local Bus regs", lb_regs);
- }
- void vrc5477_show_all_regs(void)
- {
- vrc5477_show_pdar_regs();
- vrc5477_show_pci_regs();
- vrc5477_show_bar_regs();
- vrc5477_show_int_regs();
- vrc5477_show_lb_regs();
- }