diff options
author | Jeff Garzik <jeff@garzik.org> | 2007-02-17 15:11:43 -0500 |
---|---|---|
committer | Jeff Garzik <jeff@garzik.org> | 2007-02-17 15:11:43 -0500 |
commit | f630fe2817601314b2eb7ca5ddc23c7834646731 (patch) | |
tree | 3bfb4939b7bbc3859575ca8b58fa3f929b015941 /arch/sh/boards/renesas/r7780rp/io.c | |
parent | 48c871c1f6a7c7044dd76774fb469e65c7e2e4e8 (diff) | |
parent | 8a03d9a498eaf02c8a118752050a5154852c13bf (diff) |
Merge branch 'master' into upstream
Diffstat (limited to 'arch/sh/boards/renesas/r7780rp/io.c')
-rw-r--r-- | arch/sh/boards/renesas/r7780rp/io.c | 152 |
1 files changed, 42 insertions, 110 deletions
diff --git a/arch/sh/boards/renesas/r7780rp/io.c b/arch/sh/boards/renesas/r7780rp/io.c index 311ccccba71..f74d2ffb385 100644 --- a/arch/sh/boards/renesas/r7780rp/io.c +++ b/arch/sh/boards/renesas/r7780rp/io.c @@ -11,22 +11,9 @@ #include <linux/pci.h> #include <linux/kernel.h> #include <linux/types.h> +#include <linux/io.h> #include <asm/r7780rp.h> #include <asm/addrspace.h> -#include <asm/io.h> - -static inline unsigned long port2adr(unsigned int port) -{ - if ((0x1f0 <= port && port < 0x1f8) || port == 0x3f6) - if (port == 0x3f6) - return (PA_AREA5_IO + 0x80c); - else - return (PA_AREA5_IO + 0x1000 + ((port-0x1f0) << 1)); - else - maybebadio((unsigned long)port); - - return port; -} static inline unsigned long port88796l(unsigned int port, int flag) { @@ -40,18 +27,6 @@ static inline unsigned long port88796l(unsigned int port, int flag) return addr; } -/* The 7780 R7780RP-1 seems to have everything hooked */ -/* up pretty normally (nothing on high-bytes only...) so this */ -/* shouldn't be needed */ -static inline int shifted_port(unsigned long port) -{ - /* For IDE registers, value is not shifted */ - if ((0x1f0 <= port && port < 0x1f8) || port == 0x3f6) - return 0; - else - return 1; -} - #if defined(CONFIG_NE2000) || defined(CONFIG_NE2000_MODULE) #define CHECK_AX88796L_PORT(port) \ ((port >= AX88796L_IO_BASE) && (port < (AX88796L_IO_BASE+0x20))) @@ -70,12 +45,10 @@ u8 r7780rp_inb(unsigned long port) { if (CHECK_AX88796L_PORT(port)) return ctrl_inw(port88796l(port, 0)) & 0xff; - else if (PXSEG(port)) - return ctrl_inb(port); - else if (is_pci_ioaddr(port) || shifted_port(port)) + else if (is_pci_ioaddr(port)) return ctrl_inb(pci_ioaddr(port)); - return ctrl_inw(port2adr(port)) & 0xff; + return ctrl_inw(port) & 0xff; } u8 r7780rp_inb_p(unsigned long port) @@ -84,12 +57,10 @@ u8 r7780rp_inb_p(unsigned long port) if (CHECK_AX88796L_PORT(port)) v = ctrl_inw(port88796l(port, 0)) & 0xff; - else if (PXSEG(port)) - v = ctrl_inb(port); - else if (is_pci_ioaddr(port) || shifted_port(port)) + else if (is_pci_ioaddr(port)) v = ctrl_inb(pci_ioaddr(port)); else - v = ctrl_inw(port2adr(port)) & 0xff; + v = ctrl_inw(port) & 0xff; ctrl_delay(); @@ -98,80 +69,56 @@ u8 r7780rp_inb_p(unsigned long port) u16 r7780rp_inw(unsigned long port) { - if (CHECK_AX88796L_PORT(port)) - maybebadio(port); - else if (PXSEG(port)) - return ctrl_inw(port); - else if (is_pci_ioaddr(port) || shifted_port(port)) + if (is_pci_ioaddr(port)) return ctrl_inw(pci_ioaddr(port)); - else - maybebadio(port); - return 0; + return ctrl_inw(port); } u32 r7780rp_inl(unsigned long port) { - if (CHECK_AX88796L_PORT(port)) - maybebadio(port); - else if (PXSEG(port)) - return ctrl_inl(port); - else if (is_pci_ioaddr(port) || shifted_port(port)) + if (is_pci_ioaddr(port)) return ctrl_inl(pci_ioaddr(port)); - else - maybebadio(port); - return 0; + return ctrl_inl(port); } void r7780rp_outb(u8 value, unsigned long port) { if (CHECK_AX88796L_PORT(port)) ctrl_outw(value, port88796l(port, 0)); - else if (PXSEG(port)) - ctrl_outb(value, port); - else if (is_pci_ioaddr(port) || shifted_port(port)) + else if (is_pci_ioaddr(port)) ctrl_outb(value, pci_ioaddr(port)); else - ctrl_outw(value, port2adr(port)); + ctrl_outb(value, port); } void r7780rp_outb_p(u8 value, unsigned long port) { if (CHECK_AX88796L_PORT(port)) ctrl_outw(value, port88796l(port, 0)); - else if (PXSEG(port)) - ctrl_outb(value, port); - else if (is_pci_ioaddr(port) || shifted_port(port)) + else if (is_pci_ioaddr(port)) ctrl_outb(value, pci_ioaddr(port)); else - ctrl_outw(value, port2adr(port)); + ctrl_outb(value, port); ctrl_delay(); } void r7780rp_outw(u16 value, unsigned long port) { - if (CHECK_AX88796L_PORT(port)) - maybebadio(port); - else if (PXSEG(port)) - ctrl_outw(value, port); - else if (is_pci_ioaddr(port) || shifted_port(port)) + if (is_pci_ioaddr(port)) ctrl_outw(value, pci_ioaddr(port)); else - maybebadio(port); + ctrl_outw(value, port); } void r7780rp_outl(u32 value, unsigned long port) { - if (CHECK_AX88796L_PORT(port)) - maybebadio(port); - else if (PXSEG(port)) - ctrl_outl(value, port); - else if (is_pci_ioaddr(port) || shifted_port(port)) + if (is_pci_ioaddr(port)) ctrl_outl(value, pci_ioaddr(port)); else - maybebadio(port); + ctrl_outl(value, port); } void r7780rp_insb(unsigned long port, void *dst, unsigned long count) @@ -183,16 +130,13 @@ void r7780rp_insb(unsigned long port, void *dst, unsigned long count) p = (volatile u16 *)port88796l(port, 0); while (count--) *buf++ = *p & 0xff; - } else if (PXSEG(port)) { - while (count--) - *buf++ = *(volatile u8 *)port; - } else if (is_pci_ioaddr(port) || shifted_port(port)) { + } else if (is_pci_ioaddr(port)) { volatile u8 *bp = (volatile u8 *)pci_ioaddr(port); while (count--) *buf++ = *bp; } else { - p = (volatile u16 *)port2adr(port); + p = (volatile u16 *)port; while (count--) *buf++ = *p & 0xff; } @@ -205,30 +149,26 @@ void r7780rp_insw(unsigned long port, void *dst, unsigned long count) if (CHECK_AX88796L_PORT(port)) p = (volatile u16 *)port88796l(port, 1); - else if (PXSEG(port)) - p = (volatile u16 *)port; - else if (is_pci_ioaddr(port) || shifted_port(port)) + else if (is_pci_ioaddr(port)) p = (volatile u16 *)pci_ioaddr(port); else - p = (volatile u16 *)port2adr(port); + p = (volatile u16 *)port; while (count--) *buf++ = *p; + + flush_dcache_all(); } void r7780rp_insl(unsigned long port, void *dst, unsigned long count) { - u32 *buf = dst; - - if (CHECK_AX88796L_PORT(port)) - maybebadio(port); - else if (is_pci_ioaddr(port) || shifted_port(port)) { + if (is_pci_ioaddr(port)) { volatile u32 *p = (volatile u32 *)pci_ioaddr(port); + u32 *buf = dst; while (count--) *buf++ = *p; - } else - maybebadio(port); + } } void r7780rp_outsb(unsigned long port, const void *src, unsigned long count) @@ -240,19 +180,14 @@ void r7780rp_outsb(unsigned long port, const void *src, unsigned long count) p = (volatile u16 *)port88796l(port, 0); while (count--) *p = *buf++; - } else if (PXSEG(port)) - while (count--) - ctrl_outb(*buf++, port); - else if (is_pci_ioaddr(port) || shifted_port(port)) { + } else if (is_pci_ioaddr(port)) { volatile u8 *bp = (volatile u8 *)pci_ioaddr(port); while (count--) *bp = *buf++; - } else { - p = (volatile u16 *)port2adr(port); + } else while (count--) - *p = *buf++; - } + ctrl_outb(*buf++, port); } void r7780rp_outsw(unsigned long port, const void *src, unsigned long count) @@ -262,40 +197,37 @@ void r7780rp_outsw(unsigned long port, const void *src, unsigned long count) if (CHECK_AX88796L_PORT(port)) p = (volatile u16 *)port88796l(port, 1); - else if (PXSEG(port)) - p = (volatile u16 *)port; - else if (is_pci_ioaddr(port) || shifted_port(port)) + else if (is_pci_ioaddr(port)) p = (volatile u16 *)pci_ioaddr(port); else - p = (volatile u16 *)port2adr(port); + p = (volatile u16 *)port; while (count--) *p = *buf++; + + flush_dcache_all(); } void r7780rp_outsl(unsigned long port, const void *src, unsigned long count) { const u32 *buf = src; + u32 *p; - if (CHECK_AX88796L_PORT(port)) - maybebadio(port); - else if (is_pci_ioaddr(port) || shifted_port(port)) { - volatile u32 *p = (volatile u32 *)pci_ioaddr(port); + if (is_pci_ioaddr(port)) + p = (u32 *)pci_ioaddr(port); + else + p = (u32 *)port; - while (count--) - *p = *buf++; - } else - maybebadio(port); + while (count--) + ctrl_outl(*buf++, (unsigned long)p); } void __iomem *r7780rp_ioport_map(unsigned long port, unsigned int size) { if (CHECK_AX88796L_PORT(port)) return (void __iomem *)port88796l(port, size > 1); - else if (PXSEG(port)) - return (void __iomem *)port; - else if (is_pci_ioaddr(port) || shifted_port(port)) + else if (is_pci_ioaddr(port)) return (void __iomem *)pci_ioaddr(port); - return (void __iomem *)port2adr(port); + return (void __iomem *)port; } |