diff options
author | Maciej W. Rozycki <macro@linux-mips.org> | 2005-07-01 16:10:40 +0000 |
---|---|---|
committer | Ralf Baechle <ralf@linux-mips.org> | 2005-10-29 19:31:35 +0100 |
commit | a5fc9c0bbee8b91025993a49a9176a88380aef3c (patch) | |
tree | e68ee45e852028ddde712abb18531777dba6e468 /arch | |
parent | 7d7ee221213609319401d1b9d6dc4bf22ab928ea (diff) |
Use physical addresses at the interface level, letting drivers remap
them as appropriate.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/mips/dec/ecc-berr.c | 14 | ||||
-rw-r--r-- | arch/mips/dec/int-handler.S | 18 | ||||
-rw-r--r-- | arch/mips/dec/kn01-berr.c | 9 | ||||
-rw-r--r-- | arch/mips/dec/kn02-irq.c | 9 | ||||
-rw-r--r-- | arch/mips/dec/kn02xa-berr.c | 11 | ||||
-rw-r--r-- | arch/mips/dec/prom/identify.c | 28 | ||||
-rw-r--r-- | arch/mips/dec/setup.c | 16 |
7 files changed, 66 insertions, 39 deletions
diff --git a/arch/mips/dec/ecc-berr.c b/arch/mips/dec/ecc-berr.c index 8f3498aa43a..cc24c5ed0c0 100644 --- a/arch/mips/dec/ecc-berr.c +++ b/arch/mips/dec/ecc-berr.c @@ -227,11 +227,11 @@ irqreturn_t dec_ecc_be_interrupt(int irq, void *dev_id, struct pt_regs *regs) */ static inline void dec_kn02_be_init(void) { - volatile u32 *csr = (void *)KN02_CSR_BASE; + volatile u32 *csr = (void *)CKSEG1ADDR(KN02_SLOT_BASE + KN02_CSR); unsigned long flags; - kn0x_erraddr = (void *)(KN02_SLOT_BASE + KN02_ERRADDR); - kn0x_chksyn = (void *)(KN02_SLOT_BASE + KN02_CHKSYN); + kn0x_erraddr = (void *)CKSEG1ADDR(KN02_SLOT_BASE + KN02_ERRADDR); + kn0x_chksyn = (void *)CKSEG1ADDR(KN02_SLOT_BASE + KN02_CHKSYN); spin_lock_irqsave(&kn02_lock, flags); @@ -250,11 +250,11 @@ static inline void dec_kn02_be_init(void) static inline void dec_kn03_be_init(void) { - volatile u32 *mcr = (void *)(KN03_SLOT_BASE + IOASIC_MCR); - volatile u32 *mbcs = (void *)(KN4K_SLOT_BASE + KN4K_MB_CSR); + volatile u32 *mcr = (void *)CKSEG1ADDR(KN03_SLOT_BASE + IOASIC_MCR); + volatile u32 *mbcs = (void *)CKSEG1ADDR(KN4K_SLOT_BASE + KN4K_MB_CSR); - kn0x_erraddr = (void *)(KN03_SLOT_BASE + IOASIC_ERRADDR); - kn0x_chksyn = (void *)(KN03_SLOT_BASE + IOASIC_CHKSYN); + kn0x_erraddr = (void *)CKSEG1ADDR(KN03_SLOT_BASE + IOASIC_ERRADDR); + kn0x_chksyn = (void *)CKSEG1ADDR(KN03_SLOT_BASE + IOASIC_CHKSYN); /* * Set normal ECC detection and generation, enable ECC correction. diff --git a/arch/mips/dec/int-handler.S b/arch/mips/dec/int-handler.S index c89768d5c4e..41fa372007b 100644 --- a/arch/mips/dec/int-handler.S +++ b/arch/mips/dec/int-handler.S @@ -2,9 +2,9 @@ * arch/mips/dec/int-handler.S * * Copyright (C) 1995, 1996, 1997 Paul M. Antoine and Harald Koerfgen - * Copyright (C) 2000, 2001, 2002, 2003 Maciej W. Rozycki + * Copyright (C) 2000, 2001, 2002, 2003, 2005 Maciej W. Rozycki * - * Written by Ralf Baechle and Andreas Busse, modified for DECStation + * Written by Ralf Baechle and Andreas Busse, modified for DECstation * support by Paul Antoine and Harald Koerfgen. * * completly rewritten: @@ -14,11 +14,12 @@ * by Maciej W. Rozycki. */ #include <linux/config.h> + +#include <asm/addrspace.h> #include <asm/asm.h> -#include <asm/regdef.h> #include <asm/mipsregs.h> +#include <asm/regdef.h> #include <asm/stackframe.h> -#include <asm/addrspace.h> #include <asm/dec/interrupts.h> #include <asm/dec/ioasic_addrs.h> @@ -28,11 +29,14 @@ #include <asm/dec/kn02xa.h> #include <asm/dec/kn03.h> +#define KN02_CSR_BASE CKSEG1ADDR(KN02_SLOT_BASE + KN02_CSR) +#define KN02XA_IOASIC_BASE CKSEG1ADDR(KN02XA_SLOT_BASE + IOASIC_IOCTL) +#define KN03_IOASIC_BASE CKSEG1ADDR(KN03_SLOT_BASE + IOASIC_IOCTL) .text .set noreorder /* - * decstation_handle_int: Interrupt handler for DECStations + * decstation_handle_int: Interrupt handler for DECstations * * We follow the model in the Indy interrupt code by David Miller, where he * says: a lot of complication here is taken away because: @@ -48,7 +52,7 @@ * 3) Linux only thinks in terms of all IRQs on or all IRQs * off, nothing in between like BSD spl() brain-damage. * - * Furthermore, the IRQs on the DECStations look basically (barring + * Furthermore, the IRQs on the DECstations look basically (barring * software IRQs which we don't use at all) like... * * DS2100/3100's, aka kn01, aka Pmax: @@ -61,7 +65,7 @@ * 3 Lance Ethernet * 4 DZ11 serial * 5 RTC - * 6 Memory Controller + * 6 Memory Controller & Video * 7 FPU * * DS5000/200, aka kn02, aka 3max: diff --git a/arch/mips/dec/kn01-berr.c b/arch/mips/dec/kn01-berr.c index 8ec7b30a90c..b9271db9bc7 100644 --- a/arch/mips/dec/kn01-berr.c +++ b/arch/mips/dec/kn01-berr.c @@ -51,7 +51,7 @@ DEFINE_SPINLOCK(kn01_lock); static inline void dec_kn01_be_ack(void) { - volatile u16 *csr = (void *)(KN01_SLOT_BASE + KN01_CSR); + volatile u16 *csr = (void *)CKSEG1ADDR(KN01_SLOT_BASE + KN01_CSR); unsigned long flags; spin_lock_irqsave(&kn01_lock, flags); @@ -64,7 +64,8 @@ static inline void dec_kn01_be_ack(void) static int dec_kn01_be_backend(struct pt_regs *regs, int is_fixup, int invoker) { - volatile u32 *kn01_erraddr = (void *)(KN01_SLOT_BASE + KN01_ERRADDR); + volatile u32 *kn01_erraddr = (void *)CKSEG1ADDR(KN01_SLOT_BASE + + KN01_ERRADDR); static const char excstr[] = "exception"; static const char intstr[] = "interrupt"; @@ -152,7 +153,7 @@ int dec_kn01_be_handler(struct pt_regs *regs, int is_fixup) irqreturn_t dec_kn01_be_interrupt(int irq, void *dev_id, struct pt_regs *regs) { - volatile u16 *csr = (void *)(KN01_SLOT_BASE + KN01_CSR); + volatile u16 *csr = (void *)CKSEG1ADDR(KN01_SLOT_BASE + KN01_CSR); int action; if (!(*csr & KN01_CSR_MEMERR)) @@ -178,7 +179,7 @@ irqreturn_t dec_kn01_be_interrupt(int irq, void *dev_id, void __init dec_kn01_be_init(void) { - volatile u16 *csr = (void *)(KN01_SLOT_BASE + KN01_CSR); + volatile u16 *csr = (void *)CKSEG1ADDR(KN01_SLOT_BASE + KN01_CSR); unsigned long flags; spin_lock_irqsave(&kn01_lock, flags); diff --git a/arch/mips/dec/kn02-irq.c b/arch/mips/dec/kn02-irq.c index 644085e1040..898bed502a3 100644 --- a/arch/mips/dec/kn02-irq.c +++ b/arch/mips/dec/kn02-irq.c @@ -37,7 +37,8 @@ static int kn02_irq_base; static inline void unmask_kn02_irq(unsigned int irq) { - volatile u32 *csr = (volatile u32 *)KN02_CSR_BASE; + volatile u32 *csr = (volatile u32 *)CKSEG1ADDR(KN02_SLOT_BASE + + KN02_CSR); cached_kn02_csr |= (1 << (irq - kn02_irq_base + 16)); *csr = cached_kn02_csr; @@ -45,7 +46,8 @@ static inline void unmask_kn02_irq(unsigned int irq) static inline void mask_kn02_irq(unsigned int irq) { - volatile u32 *csr = (volatile u32 *)KN02_CSR_BASE; + volatile u32 *csr = (volatile u32 *)CKSEG1ADDR(KN02_SLOT_BASE + + KN02_CSR); cached_kn02_csr &= ~(1 << (irq - kn02_irq_base + 16)); *csr = cached_kn02_csr; @@ -105,7 +107,8 @@ static struct hw_interrupt_type kn02_irq_type = { void __init init_kn02_irqs(int base) { - volatile u32 *csr = (volatile u32 *)KN02_CSR_BASE; + volatile u32 *csr = (volatile u32 *)CKSEG1ADDR(KN02_SLOT_BASE + + KN02_CSR); unsigned long flags; int i; diff --git a/arch/mips/dec/kn02xa-berr.c b/arch/mips/dec/kn02xa-berr.c index c2990956662..6cd3f94f79f 100644 --- a/arch/mips/dec/kn02xa-berr.c +++ b/arch/mips/dec/kn02xa-berr.c @@ -20,6 +20,7 @@ #include <linux/kernel.h> #include <linux/types.h> +#include <asm/addrspace.h> #include <asm/system.h> #include <asm/traps.h> @@ -29,8 +30,8 @@ static inline void dec_kn02xa_be_ack(void) { - volatile u32 *mer = (void *)KN02XA_MER; - volatile u32 *mem_intr = (void *)KN02XA_MEM_INTR; + volatile u32 *mer = (void *)CKSEG1ADDR(KN02XA_MER); + volatile u32 *mem_intr = (void *)CKSEG1ADDR(KN02XA_MEM_INTR); *mer = KN02CA_MER_INTR; /* Clear errors; keep the ARC IRQ. */ *mem_intr = 0; /* Any write clears the bus IRQ. */ @@ -40,8 +41,8 @@ static inline void dec_kn02xa_be_ack(void) static int dec_kn02xa_be_backend(struct pt_regs *regs, int is_fixup, int invoker) { - volatile u32 *kn02xa_mer = (void *)KN02XA_MER; - volatile u32 *kn02xa_ear = (void *)KN02XA_EAR; + volatile u32 *kn02xa_mer = (void *)CKSEG1ADDR(KN02XA_MER); + volatile u32 *kn02xa_ear = (void *)CKSEG1ADDR(KN02XA_EAR); static const char excstr[] = "exception"; static const char intstr[] = "interrupt"; @@ -126,7 +127,7 @@ irqreturn_t dec_kn02xa_be_interrupt(int irq, void *dev_id, void __init dec_kn02xa_be_init(void) { - volatile u32 *mbcs = (void *)(KN4K_SLOT_BASE + KN4K_MB_CSR); + volatile u32 *mbcs = (void *)CKSEG1ADDR(KN4K_SLOT_BASE + KN4K_MB_CSR); /* For KN04 we need to make sure EE (?) is enabled in the MB. */ if (current_cpu_data.cputype == CPU_R4000SC) diff --git a/arch/mips/dec/prom/identify.c b/arch/mips/dec/prom/identify.c index 9380588cb15..81d5e878ddc 100644 --- a/arch/mips/dec/prom/identify.c +++ b/arch/mips/dec/prom/identify.c @@ -2,7 +2,7 @@ * identify.c: machine identification code. * * Copyright (C) 1998 Harald Koerfgen and Paul M. Antoine - * Copyright (C) 2002, 2003, 2004 Maciej W. Rozycki + * Copyright (C) 2002, 2003, 2004, 2005 Maciej W. Rozycki */ #include <linux/init.h> #include <linux/kernel.h> @@ -12,6 +12,7 @@ #include <linux/types.h> #include <asm/bootinfo.h> + #include <asm/dec/ioasic.h> #include <asm/dec/ioasic_addrs.h> #include <asm/dec/kn01.h> @@ -21,6 +22,7 @@ #include <asm/dec/kn03.h> #include <asm/dec/kn230.h> #include <asm/dec/prom.h> +#include <asm/dec/system.h> #include "dectypes.h" @@ -68,34 +70,44 @@ EXPORT_SYMBOL(dec_rtc_base); static inline void prom_init_kn01(void) { - dec_rtc_base = (void *)KN01_RTC_BASE; + dec_kn_slot_base = KN01_SLOT_BASE; dec_kn_slot_size = KN01_SLOT_SIZE; + + dec_rtc_base = (void *)CKSEG1ADDR(dec_kn_slot_base + KN01_RTC); } static inline void prom_init_kn230(void) { - dec_rtc_base = (void *)KN01_RTC_BASE; + dec_kn_slot_base = KN01_SLOT_BASE; dec_kn_slot_size = KN01_SLOT_SIZE; + + dec_rtc_base = (void *)CKSEG1ADDR(dec_kn_slot_base + KN01_RTC); } static inline void prom_init_kn02(void) { - dec_rtc_base = (void *)KN02_RTC_BASE; + dec_kn_slot_base = KN02_SLOT_BASE; dec_kn_slot_size = KN02_SLOT_SIZE; + + dec_rtc_base = (void *)CKSEG1ADDR(dec_kn_slot_base + KN02_RTC); } static inline void prom_init_kn02xa(void) { - ioasic_base = (void *)KN02XA_IOASIC_BASE; - dec_rtc_base = (void *)KN02XA_RTC_BASE; + dec_kn_slot_base = KN02XA_SLOT_BASE; dec_kn_slot_size = IOASIC_SLOT_SIZE; + + ioasic_base = (void *)CKSEG1ADDR(dec_kn_slot_base + IOASIC_IOCTL); + dec_rtc_base = (void *)CKSEG1ADDR(dec_kn_slot_base + IOASIC_TOY); } static inline void prom_init_kn03(void) { - ioasic_base = (void *)KN03_IOASIC_BASE; - dec_rtc_base = (void *)KN03_RTC_BASE; + dec_kn_slot_base = KN03_SLOT_BASE; dec_kn_slot_size = IOASIC_SLOT_SIZE; + + ioasic_base = (void *)CKSEG1ADDR(dec_kn_slot_base + IOASIC_IOCTL); + dec_rtc_base = (void *)CKSEG1ADDR(dec_kn_slot_base + IOASIC_TOY); } diff --git a/arch/mips/dec/setup.c b/arch/mips/dec/setup.c index f63fb9cd43c..8861c3b22e4 100644 --- a/arch/mips/dec/setup.c +++ b/arch/mips/dec/setup.c @@ -39,6 +39,7 @@ #include <asm/dec/kn02ca.h> #include <asm/dec/kn03.h> #include <asm/dec/kn230.h> +#include <asm/dec/system.h> extern void dec_machine_restart(char *command); @@ -48,10 +49,16 @@ extern irqreturn_t dec_intr_halt(int irq, void *dev_id, struct pt_regs *regs); extern asmlinkage void decstation_handle_int(void); +unsigned long dec_kn_slot_base, dec_kn_slot_size; + +EXPORT_SYMBOL(dec_kn_slot_base); +EXPORT_SYMBOL(dec_kn_slot_size); + spinlock_t ioasic_ssr_lock; volatile u32 *ioasic_base; -unsigned long dec_kn_slot_size; + +EXPORT_SYMBOL(ioasic_base); /* * IRQ routing and priority tables. Priorites are set as follows: @@ -78,6 +85,9 @@ unsigned long dec_kn_slot_size; int dec_interrupt[DEC_NR_INTS] = { [0 ... DEC_NR_INTS - 1] = -1 }; + +EXPORT_SYMBOL(dec_interrupt); + int_ptr cpu_mask_nr_tbl[DEC_MAX_CPU_INTS][2] = { { { .i = ~0 }, { .p = dec_intr_unimplemented } }, }; @@ -755,7 +765,3 @@ void __init arch_init_irq(void) if (dec_interrupt[DEC_IRQ_HALT] >= 0) setup_irq(dec_interrupt[DEC_IRQ_HALT], &haltirq); } - -EXPORT_SYMBOL(ioasic_base); -EXPORT_SYMBOL(dec_kn_slot_size); -EXPORT_SYMBOL(dec_interrupt); |