diff options
| author | Paul Mundt <lethal@linux-sh.org> | 2010-10-29 05:59:58 -0400 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2010-10-29 05:59:58 -0400 |
| commit | 39c11984a4f36bd1ce7f90f7506824955f0f4863 (patch) | |
| tree | c4d0dfdd16c421d59c1a7ae0be3f3130b74c60fd | |
| parent | 46bc85872040ae7a98b983514bf79f68255b2643 (diff) | |
sh: mach-snapgear: Rip out superfluous PIO routines.
None of these PIO routines do anything other than basic error checking,
get rid of them and use the generic fallbacks.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| -rw-r--r-- | arch/sh/boards/mach-snapgear/Makefile | 2 | ||||
| -rw-r--r-- | arch/sh/boards/mach-snapgear/io.c | 121 | ||||
| -rw-r--r-- | arch/sh/boards/mach-snapgear/setup.c | 36 | ||||
| -rw-r--r-- | arch/sh/include/mach-common/mach/snapgear.h | 22 |
4 files changed, 11 insertions, 170 deletions
diff --git a/arch/sh/boards/mach-snapgear/Makefile b/arch/sh/boards/mach-snapgear/Makefile index d2d2f4b6a50..bc92e34adbb 100644 --- a/arch/sh/boards/mach-snapgear/Makefile +++ b/arch/sh/boards/mach-snapgear/Makefile | |||
| @@ -2,4 +2,4 @@ | |||
| 2 | # Makefile for the SnapGear specific parts of the kernel | 2 | # Makefile for the SnapGear specific parts of the kernel |
| 3 | # | 3 | # |
| 4 | 4 | ||
| 5 | obj-y := setup.o io.o | 5 | obj-y := setup.o |
diff --git a/arch/sh/boards/mach-snapgear/io.c b/arch/sh/boards/mach-snapgear/io.c deleted file mode 100644 index 476650e42db..00000000000 --- a/arch/sh/boards/mach-snapgear/io.c +++ /dev/null | |||
| @@ -1,121 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (C) 2002 David McCullough <davidm@snapgear.com> | ||
| 3 | * Copyright (C) 2001 Ian da Silva, Jeremy Siegel | ||
| 4 | * Based largely on io_se.c. | ||
| 5 | * | ||
| 6 | * I/O routine for Hitachi 7751 SolutionEngine. | ||
| 7 | * | ||
| 8 | * Initial version only to support LAN access; some | ||
| 9 | * placeholder code from io_se.c left in with the | ||
| 10 | * expectation of later SuperIO and PCMCIA access. | ||
| 11 | */ | ||
| 12 | #include <linux/kernel.h> | ||
| 13 | #include <linux/types.h> | ||
| 14 | #include <linux/pci.h> | ||
| 15 | #include <asm/io.h> | ||
| 16 | #include <asm/addrspace.h> | ||
| 17 | |||
| 18 | #ifdef CONFIG_SH_SECUREEDGE5410 | ||
| 19 | unsigned short secureedge5410_ioport; | ||
| 20 | #endif | ||
| 21 | |||
| 22 | static inline volatile __u16 *port2adr(unsigned int port) | ||
| 23 | { | ||
| 24 | maybebadio((unsigned long)port); | ||
| 25 | return (volatile __u16*)port; | ||
| 26 | } | ||
| 27 | |||
| 28 | /* | ||
| 29 | * General outline: remap really low stuff [eventually] to SuperIO, | ||
| 30 | * stuff in PCI IO space (at or above window at pci.h:PCIBIOS_MIN_IO) | ||
| 31 | * is mapped through the PCI IO window. Stuff with high bits (PXSEG) | ||
| 32 | * should be way beyond the window, and is used w/o translation for | ||
| 33 | * compatibility. | ||
| 34 | */ | ||
| 35 | unsigned char snapgear_inb(unsigned long port) | ||
| 36 | { | ||
| 37 | if (PXSEG(port)) | ||
| 38 | return *(volatile unsigned char *)port; | ||
| 39 | else | ||
| 40 | return (*port2adr(port)) & 0xff; | ||
| 41 | } | ||
| 42 | |||
| 43 | unsigned char snapgear_inb_p(unsigned long port) | ||
| 44 | { | ||
| 45 | unsigned char v; | ||
| 46 | |||
| 47 | if (PXSEG(port)) | ||
| 48 | v = *(volatile unsigned char *)port; | ||
| 49 | else | ||
| 50 | v = (*port2adr(port))&0xff; | ||
| 51 | ctrl_delay(); | ||
| 52 | return v; | ||
| 53 | } | ||
| 54 | |||
| 55 | unsigned short snapgear_inw(unsigned long port) | ||
| 56 | { | ||
| 57 | if (PXSEG(port)) | ||
| 58 | return *(volatile unsigned short *)port; | ||
| 59 | else if (port >= 0x2000) | ||
| 60 | return *port2adr(port); | ||
| 61 | else | ||
| 62 | maybebadio(port); | ||
| 63 | return 0; | ||
| 64 | } | ||
| 65 | |||
| 66 | unsigned int snapgear_inl(unsigned long port) | ||
| 67 | { | ||
| 68 | if (PXSEG(port)) | ||
| 69 | return *(volatile unsigned long *)port; | ||
| 70 | else if (port >= 0x2000) | ||
| 71 | return *port2adr(port); | ||
| 72 | else | ||
| 73 | maybebadio(port); | ||
| 74 | return 0; | ||
| 75 | } | ||
| 76 | |||
| 77 | void snapgear_outb(unsigned char value, unsigned long port) | ||
| 78 | { | ||
| 79 | |||
| 80 | if (PXSEG(port)) | ||
| 81 | *(volatile unsigned char *)port = value; | ||
| 82 | else | ||
| 83 | *(port2adr(port)) = value; | ||
| 84 | } | ||
| 85 | |||
| 86 | void snapgear_outb_p(unsigned char value, unsigned long port) | ||
| 87 | { | ||
| 88 | if (PXSEG(port)) | ||
| 89 | *(volatile unsigned char *)port = value; | ||
| 90 | else | ||
| 91 | *(port2adr(port)) = value; | ||
| 92 | ctrl_delay(); | ||
| 93 | } | ||
| 94 | |||
| 95 | void snapgear_outw(unsigned short value, unsigned long port) | ||
| 96 | { | ||
| 97 | if (PXSEG(port)) | ||
| 98 | *(volatile unsigned short *)port = value; | ||
| 99 | else if (port >= 0x2000) | ||
| 100 | *port2adr(port) = value; | ||
| 101 | else | ||
| 102 | maybebadio(port); | ||
| 103 | } | ||
| 104 | |||
| 105 | void snapgear_outl(unsigned int value, unsigned long port) | ||
| 106 | { | ||
| 107 | if (PXSEG(port)) | ||
| 108 | *(volatile unsigned long *)port = value; | ||
| 109 | else | ||
| 110 | maybebadio(port); | ||
| 111 | } | ||
| 112 | |||
| 113 | void snapgear_insl(unsigned long port, void *addr, unsigned long count) | ||
| 114 | { | ||
| 115 | maybebadio(port); | ||
| 116 | } | ||
| 117 | |||
| 118 | void snapgear_outsl(unsigned long port, const void *addr, unsigned long count) | ||
| 119 | { | ||
| 120 | maybebadio(port); | ||
| 121 | } | ||
diff --git a/arch/sh/boards/mach-snapgear/setup.c b/arch/sh/boards/mach-snapgear/setup.c index 331745dee37..10eeea96a04 100644 --- a/arch/sh/boards/mach-snapgear/setup.c +++ b/arch/sh/boards/mach-snapgear/setup.c | |||
| @@ -1,6 +1,4 @@ | |||
| 1 | /* | 1 | /* |
| 2 | * linux/arch/sh/boards/snapgear/setup.c | ||
| 3 | * | ||
| 4 | * Copyright (C) 2002 David McCullough <davidm@snapgear.com> | 2 | * Copyright (C) 2002 David McCullough <davidm@snapgear.com> |
| 5 | * Copyright (C) 2003 Paul Mundt <lethal@linux-sh.org> | 3 | * Copyright (C) 2003 Paul Mundt <lethal@linux-sh.org> |
| 6 | * | 4 | * |
| @@ -24,13 +22,14 @@ | |||
| 24 | #include <asm/io.h> | 22 | #include <asm/io.h> |
| 25 | #include <cpu/timer.h> | 23 | #include <cpu/timer.h> |
| 26 | 24 | ||
| 25 | unsigned short secureedge5410_ioport; | ||
| 26 | |||
| 27 | /* | 27 | /* |
| 28 | * EraseConfig handling functions | 28 | * EraseConfig handling functions |
| 29 | */ | 29 | */ |
| 30 | |||
| 31 | static irqreturn_t eraseconfig_interrupt(int irq, void *dev_id) | 30 | static irqreturn_t eraseconfig_interrupt(int irq, void *dev_id) |
| 32 | { | 31 | { |
| 33 | (void)__raw_readb(0xb8000000); /* dummy read */ | 32 | ctrl_delay(); /* dummy read */ |
| 34 | 33 | ||
| 35 | printk("SnapGear: erase switch interrupt!\n"); | 34 | printk("SnapGear: erase switch interrupt!\n"); |
| 36 | 35 | ||
| @@ -39,21 +38,22 @@ static irqreturn_t eraseconfig_interrupt(int irq, void *dev_id) | |||
| 39 | 38 | ||
| 40 | static int __init eraseconfig_init(void) | 39 | static int __init eraseconfig_init(void) |
| 41 | { | 40 | { |
| 41 | unsigned int irq = evt2irq(0x240); | ||
| 42 | |||
| 42 | printk("SnapGear: EraseConfig init\n"); | 43 | printk("SnapGear: EraseConfig init\n"); |
| 44 | |||
| 43 | /* Setup "EraseConfig" switch on external IRQ 0 */ | 45 | /* Setup "EraseConfig" switch on external IRQ 0 */ |
| 44 | if (request_irq(IRL0_IRQ, eraseconfig_interrupt, IRQF_DISABLED, | 46 | if (request_irq(irq, eraseconfig_interrupt, IRQF_DISABLED, |
| 45 | "Erase Config", NULL)) | 47 | "Erase Config", NULL)) |
| 46 | printk("SnapGear: failed to register IRQ%d for Reset witch\n", | 48 | printk("SnapGear: failed to register IRQ%d for Reset witch\n", |
| 47 | IRL0_IRQ); | 49 | irq); |
| 48 | else | 50 | else |
| 49 | printk("SnapGear: registered EraseConfig switch on IRQ%d\n", | 51 | printk("SnapGear: registered EraseConfig switch on IRQ%d\n", |
| 50 | IRL0_IRQ); | 52 | irq); |
| 51 | return(0); | 53 | return 0; |
| 52 | } | 54 | } |
| 53 | |||
| 54 | module_init(eraseconfig_init); | 55 | module_init(eraseconfig_init); |
| 55 | 56 | ||
| 56 | /****************************************************************************/ | ||
| 57 | /* | 57 | /* |
| 58 | * Initialize IRQ setting | 58 | * Initialize IRQ setting |
| 59 | * | 59 | * |
| @@ -62,7 +62,6 @@ module_init(eraseconfig_init); | |||
| 62 | * IRL2 = eth1 | 62 | * IRL2 = eth1 |
| 63 | * IRL3 = crypto | 63 | * IRL3 = crypto |
| 64 | */ | 64 | */ |
| 65 | |||
| 66 | static void __init init_snapgear_IRQ(void) | 65 | static void __init init_snapgear_IRQ(void) |
| 67 | { | 66 | { |
| 68 | printk("Setup SnapGear IRQ/IPR ...\n"); | 67 | printk("Setup SnapGear IRQ/IPR ...\n"); |
| @@ -76,20 +75,5 @@ static void __init init_snapgear_IRQ(void) | |||
| 76 | static struct sh_machine_vector mv_snapgear __initmv = { | 75 | static struct sh_machine_vector mv_snapgear __initmv = { |
| 77 | .mv_name = "SnapGear SecureEdge5410", | 76 | .mv_name = "SnapGear SecureEdge5410", |
| 78 | .mv_nr_irqs = 72, | 77 | .mv_nr_irqs = 72, |
| 79 | |||
| 80 | .mv_inb = snapgear_inb, | ||
| 81 | .mv_inw = snapgear_inw, | ||
| 82 | .mv_inl = snapgear_inl, | ||
| 83 | .mv_outb = snapgear_outb, | ||
| 84 | .mv_outw = snapgear_outw, | ||
| 85 | .mv_outl = snapgear_outl, | ||
| 86 | |||
| 87 | .mv_inb_p = snapgear_inb_p, | ||
| 88 | .mv_inw_p = snapgear_inw, | ||
| 89 | .mv_inl_p = snapgear_inl, | ||
| 90 | .mv_outb_p = snapgear_outb_p, | ||
| 91 | .mv_outw_p = snapgear_outw, | ||
| 92 | .mv_outl_p = snapgear_outl, | ||
| 93 | |||
| 94 | .mv_init_irq = init_snapgear_IRQ, | 78 | .mv_init_irq = init_snapgear_IRQ, |
| 95 | }; | 79 | }; |
diff --git a/arch/sh/include/mach-common/mach/snapgear.h b/arch/sh/include/mach-common/mach/snapgear.h index 042d95f51c4..3653b9a4bac 100644 --- a/arch/sh/include/mach-common/mach/snapgear.h +++ b/arch/sh/include/mach-common/mach/snapgear.h | |||
| @@ -12,30 +12,9 @@ | |||
| 12 | #ifndef _ASM_SH_IO_SNAPGEAR_H | 12 | #ifndef _ASM_SH_IO_SNAPGEAR_H |
| 13 | #define _ASM_SH_IO_SNAPGEAR_H | 13 | #define _ASM_SH_IO_SNAPGEAR_H |
| 14 | 14 | ||
| 15 | #if defined(CONFIG_CPU_SH4) | ||
| 16 | /* | ||
| 17 | * The external interrupt lines, these take up ints 0 - 15 inclusive | ||
| 18 | * depending on the priority for the interrupt. In fact the priority | ||
| 19 | * is the interrupt :-) | ||
| 20 | */ | ||
| 21 | |||
| 22 | #define IRL0_IRQ 2 | ||
| 23 | #define IRL0_PRIORITY 13 | ||
| 24 | |||
| 25 | #define IRL1_IRQ 5 | ||
| 26 | #define IRL1_PRIORITY 10 | ||
| 27 | |||
| 28 | #define IRL2_IRQ 8 | ||
| 29 | #define IRL2_PRIORITY 7 | ||
| 30 | |||
| 31 | #define IRL3_IRQ 11 | ||
| 32 | #define IRL3_PRIORITY 4 | ||
| 33 | #endif | ||
| 34 | |||
| 35 | #define __IO_PREFIX snapgear | 15 | #define __IO_PREFIX snapgear |
| 36 | #include <asm/io_generic.h> | 16 | #include <asm/io_generic.h> |
| 37 | 17 | ||
| 38 | #ifdef CONFIG_SH_SECUREEDGE5410 | ||
| 39 | /* | 18 | /* |
| 40 | * We need to remember what was written to the ioport as some bits | 19 | * We need to remember what was written to the ioport as some bits |
| 41 | * are shared with other functions and you cannot read back what was | 20 | * are shared with other functions and you cannot read back what was |
| @@ -66,6 +45,5 @@ extern unsigned short secureedge5410_ioport; | |||
| 66 | ((secureedge5410_ioport & ~(mask)) | ((val) & (mask))))) | 45 | ((secureedge5410_ioport & ~(mask)) | ((val) & (mask))))) |
| 67 | #define SECUREEDGE_READ_IOPORT() \ | 46 | #define SECUREEDGE_READ_IOPORT() \ |
| 68 | ((*SECUREEDGE_IOPORT_ADDR&0x0817) | (secureedge5410_ioport&~0x0817)) | 47 | ((*SECUREEDGE_IOPORT_ADDR&0x0817) | (secureedge5410_ioport&~0x0817)) |
| 69 | #endif | ||
| 70 | 48 | ||
| 71 | #endif /* _ASM_SH_IO_SNAPGEAR_H */ | 49 | #endif /* _ASM_SH_IO_SNAPGEAR_H */ |
