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sh: Solution Engine SH7343 board support.
This adds support for the SE7343 board. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Paul Mundt
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Sep 27, 2006
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| # | ||
| # Makefile for the 7343 SolutionEngine specific parts of the kernel | ||
| # | ||
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| obj-y := setup.o io.o irq.o | ||
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| obj-$(CONFIG_HEARTBEAT) += led.o |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,275 @@ | ||
| /* | ||
| * arch/sh/boards/se/7343/io.c | ||
| * | ||
| * I/O routine for SH-Mobile3AS 7343 SolutionEngine. | ||
| * | ||
| */ | ||
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| #include <linux/config.h> | ||
| #include <linux/kernel.h> | ||
| #include <asm/io.h> | ||
| #include <asm/mach/se7343.h> | ||
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| #define badio(fn, a) panic("bad i/o operation %s for %08lx.", #fn, a) | ||
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| struct iop { | ||
| unsigned long start, end; | ||
| unsigned long base; | ||
| struct iop *(*check) (struct iop * p, unsigned long port); | ||
| unsigned char (*inb) (struct iop * p, unsigned long port); | ||
| unsigned short (*inw) (struct iop * p, unsigned long port); | ||
| void (*outb) (struct iop * p, unsigned char value, unsigned long port); | ||
| void (*outw) (struct iop * p, unsigned short value, unsigned long port); | ||
| }; | ||
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| struct iop * | ||
| simple_check(struct iop *p, unsigned long port) | ||
| { | ||
| static int count; | ||
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| if (count < 100) | ||
| count++; | ||
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| port &= 0xFFFF; | ||
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| if ((p->start <= port) && (port <= p->end)) | ||
| return p; | ||
| else | ||
| badio(check, port); | ||
| } | ||
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| struct iop * | ||
| ide_check(struct iop *p, unsigned long port) | ||
| { | ||
| if (((0x1f0 <= port) && (port <= 0x1f7)) || (port == 0x3f7)) | ||
| return p; | ||
| return NULL; | ||
| } | ||
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| unsigned char | ||
| simple_inb(struct iop *p, unsigned long port) | ||
| { | ||
| return *(unsigned char *) (p->base + port); | ||
| } | ||
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| unsigned short | ||
| simple_inw(struct iop *p, unsigned long port) | ||
| { | ||
| return *(unsigned short *) (p->base + port); | ||
| } | ||
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| void | ||
| simple_outb(struct iop *p, unsigned char value, unsigned long port) | ||
| { | ||
| *(unsigned char *) (p->base + port) = value; | ||
| } | ||
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| void | ||
| simple_outw(struct iop *p, unsigned short value, unsigned long port) | ||
| { | ||
| *(unsigned short *) (p->base + port) = value; | ||
| } | ||
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| unsigned char | ||
| pcc_inb(struct iop *p, unsigned long port) | ||
| { | ||
| unsigned long addr = p->base + port + 0x40000; | ||
| unsigned long v; | ||
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| if (port & 1) | ||
| addr += 0x00400000; | ||
| v = *(volatile unsigned char *) addr; | ||
| return v; | ||
| } | ||
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| void | ||
| pcc_outb(struct iop *p, unsigned char value, unsigned long port) | ||
| { | ||
| unsigned long addr = p->base + port + 0x40000; | ||
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| if (port & 1) | ||
| addr += 0x00400000; | ||
| *(volatile unsigned char *) addr = value; | ||
| } | ||
|
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| unsigned char | ||
| bad_inb(struct iop *p, unsigned long port) | ||
| { | ||
| badio(inb, port); | ||
| } | ||
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| void | ||
| bad_outb(struct iop *p, unsigned char value, unsigned long port) | ||
| { | ||
| badio(inw, port); | ||
| } | ||
|
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| #ifdef CONFIG_SMC91X | ||
| /* MSTLANEX01 LAN at 0xb400:0000 */ | ||
| static struct iop laniop = { | ||
| .start = 0x00, | ||
| .end = 0x0F, | ||
| .base = 0x04000000, | ||
| .check = simple_check, | ||
| .inb = simple_inb, | ||
| .inw = simple_inw, | ||
| .outb = simple_outb, | ||
| .outw = simple_outw, | ||
| }; | ||
| #endif | ||
|
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| #ifdef CONFIG_NE2000 | ||
| /* NE2000 pc card NIC */ | ||
| static struct iop neiop = { | ||
| .start = 0x280, | ||
| .end = 0x29f, | ||
| .base = 0xb0600000 + 0x80, /* soft 0x280 -> hard 0x300 */ | ||
| .check = simple_check, | ||
| .inb = pcc_inb, | ||
| .inw = simple_inw, | ||
| .outb = pcc_outb, | ||
| .outw = simple_outw, | ||
| }; | ||
| #endif | ||
|
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| #ifdef CONFIG_IDE | ||
| /* CF in CF slot */ | ||
| static struct iop cfiop = { | ||
| .base = 0xb0600000, | ||
| .check = ide_check, | ||
| .inb = pcc_inb, | ||
| .inw = simple_inw, | ||
| .outb = pcc_outb, | ||
| .outw = simple_outw, | ||
| }; | ||
| #endif | ||
|
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| static __inline__ struct iop * | ||
| port2iop(unsigned long port) | ||
| { | ||
| if (0) ; | ||
| #if defined(CONFIG_SMC91X) | ||
| else if (laniop.check(&laniop, port)) | ||
| return &laniop; | ||
| #endif | ||
| #if defined(CONFIG_NE2000) | ||
| else if (neiop.check(&neiop, port)) | ||
| return &neiop; | ||
| #endif | ||
| #if defined(CONFIG_IDE) | ||
| else if (cfiop.check(&cfiop, port)) | ||
| return &cfiop; | ||
| #endif | ||
| else | ||
| return NULL; | ||
| } | ||
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| static inline void | ||
| delay(void) | ||
| { | ||
| ctrl_inw(0xac000000); | ||
| ctrl_inw(0xac000000); | ||
| } | ||
|
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| unsigned char | ||
| sh7343se_inb(unsigned long port) | ||
| { | ||
| struct iop *p = port2iop(port); | ||
| return (p->inb) (p, port); | ||
| } | ||
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| unsigned char | ||
| sh7343se_inb_p(unsigned long port) | ||
| { | ||
| unsigned char v = sh7343se_inb(port); | ||
| delay(); | ||
| return v; | ||
| } | ||
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| unsigned short | ||
| sh7343se_inw(unsigned long port) | ||
| { | ||
| struct iop *p = port2iop(port); | ||
| return (p->inw) (p, port); | ||
| } | ||
|
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| unsigned int | ||
| sh7343se_inl(unsigned long port) | ||
| { | ||
| badio(inl, port); | ||
| } | ||
|
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| void | ||
| sh7343se_outb(unsigned char value, unsigned long port) | ||
| { | ||
| struct iop *p = port2iop(port); | ||
| (p->outb) (p, value, port); | ||
| } | ||
|
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| void | ||
| sh7343se_outb_p(unsigned char value, unsigned long port) | ||
| { | ||
| sh7343se_outb(value, port); | ||
| delay(); | ||
| } | ||
|
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| void | ||
| sh7343se_outw(unsigned short value, unsigned long port) | ||
| { | ||
| struct iop *p = port2iop(port); | ||
| (p->outw) (p, value, port); | ||
| } | ||
|
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| void | ||
| sh7343se_outl(unsigned int value, unsigned long port) | ||
| { | ||
| badio(outl, port); | ||
| } | ||
|
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| void | ||
| sh7343se_insb(unsigned long port, void *addr, unsigned long count) | ||
| { | ||
| unsigned char *a = addr; | ||
| struct iop *p = port2iop(port); | ||
| while (count--) | ||
| *a++ = (p->inb) (p, port); | ||
| } | ||
|
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| void | ||
| sh7343se_insw(unsigned long port, void *addr, unsigned long count) | ||
| { | ||
| unsigned short *a = addr; | ||
| struct iop *p = port2iop(port); | ||
| while (count--) | ||
| *a++ = (p->inw) (p, port); | ||
| } | ||
|
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| void | ||
| sh7343se_insl(unsigned long port, void *addr, unsigned long count) | ||
| { | ||
| badio(insl, port); | ||
| } | ||
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| void | ||
| sh7343se_outsb(unsigned long port, const void *addr, unsigned long count) | ||
| { | ||
| unsigned char *a = (unsigned char *) addr; | ||
| struct iop *p = port2iop(port); | ||
| while (count--) | ||
| (p->outb) (p, *a++, port); | ||
| } | ||
|
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| void | ||
| sh7343se_outsw(unsigned long port, const void *addr, unsigned long count) | ||
| { | ||
| unsigned short *a = (unsigned short *) addr; | ||
| struct iop *p = port2iop(port); | ||
| while (count--) | ||
| (p->outw) (p, *a++, port); | ||
| } | ||
|
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| void | ||
| sh7343se_outsl(unsigned long port, const void *addr, unsigned long count) | ||
| { | ||
| badio(outsw, port); | ||
| } |
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