projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * linux/arch/parisc/kernel/pa7300lc.c | |
| 3 | * - PA7300LC-specific functions | |
| 4 | * | |
| 5 | * Copyright (C) 2000 Philipp Rumpf */ | |
| 6 | ||
| 7 | #include <linux/sched.h> | |
| 8 | #include <linux/smp.h> | |
| 9 | #include <linux/kernel.h> | |
| 10 | #include <asm/io.h> | |
| 11 | #include <asm/ptrace.h> | |
| 12 | #include <asm/machdep.h> | |
| 13 | ||
| 14 | /* CPU register indices */ | |
| 15 | ||
| 16 | #define MIOC_STATUS 0xf040 | |
| 17 | #define MIOC_CONTROL 0xf080 | |
| 18 | #define MDERRADD 0xf0e0 | |
| 19 | #define DMAERR 0xf0e8 | |
| 20 | #define DIOERR 0xf0ec | |
| 21 | #define HIDMAMEM 0xf0f4 | |
| 22 | ||
| 23 | /* this returns the HPA of the CPU it was called on */ | |
| 24 | static u32 cpu_hpa(void) | |
| 25 | { | |
| 26 | return 0xfffb0000; | |
| 27 | } | |
| 28 | ||
| 29 | static void pa7300lc_lpmc(int code, struct pt_regs *regs) | |
| 30 | { | |
| 31 | u32 hpa; | |
| 32 | printk(KERN_WARNING "LPMC on CPU %d\n", smp_processor_id()); | |
| 33 | ||
| 34 | show_regs(regs); | |
| 35 | ||
| 36 | hpa = cpu_hpa(); | |
| 37 | printk(KERN_WARNING | |
| 38 | "MIOC_CONTROL %08x\n" "MIOC_STATUS %08x\n" | |
| 39 | "MDERRADD %08x\n" "DMAERR %08x\n" | |
| 40 | "DIOERR %08x\n" "HIDMAMEM %08x\n", | |
| 41 | gsc_readl(hpa+MIOC_CONTROL), gsc_readl(hpa+MIOC_STATUS), | |
| 42 | gsc_readl(hpa+MDERRADD), gsc_readl(hpa+DMAERR), | |
| 43 | gsc_readl(hpa+DIOERR), gsc_readl(hpa+HIDMAMEM)); | |
| 44 | } | |
| 45 | ||
| 46 | void pa7300lc_init(void) | |
| 47 | { | |
| 48 | cpu_lpmc = pa7300lc_lpmc; | |
| 49 | } |