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yaml --- r: 166618 b: refs/heads/master c: 553d6d5 h: refs/heads/master v: v3
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Maxime Bizon
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Ralf Baechle
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Sep 30, 2009
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--- | ||
refs/heads/master: 971842677c5a6c1dd15d9a80b67bf0085686e574 | ||
refs/heads/master: 553d6d5f5b84f11fad8043688137dac96df1a06d |
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/* | ||
* This file is subject to the terms and conditions of the GNU General Public | ||
* License. See the file "COPYING" in the main directory of this archive | ||
* for more details. | ||
* | ||
* Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr> | ||
*/ | ||
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#include <linux/init.h> | ||
#include <linux/kernel.h> | ||
#include <asm/bootinfo.h> | ||
#include <linux/platform_device.h> | ||
#include <bcm63xx_cs.h> | ||
#include <bcm63xx_cpu.h> | ||
#include <bcm63xx_dev_pcmcia.h> | ||
#include <bcm63xx_io.h> | ||
#include <bcm63xx_regs.h> | ||
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static struct resource pcmcia_resources[] = { | ||
/* pcmcia registers */ | ||
{ | ||
/* start & end filled at runtime */ | ||
.flags = IORESOURCE_MEM, | ||
}, | ||
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/* pcmcia memory zone resources */ | ||
{ | ||
.start = BCM_PCMCIA_COMMON_BASE_PA, | ||
.end = BCM_PCMCIA_COMMON_END_PA, | ||
.flags = IORESOURCE_MEM, | ||
}, | ||
{ | ||
.start = BCM_PCMCIA_ATTR_BASE_PA, | ||
.end = BCM_PCMCIA_ATTR_END_PA, | ||
.flags = IORESOURCE_MEM, | ||
}, | ||
{ | ||
.start = BCM_PCMCIA_IO_BASE_PA, | ||
.end = BCM_PCMCIA_IO_END_PA, | ||
.flags = IORESOURCE_MEM, | ||
}, | ||
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/* PCMCIA irq */ | ||
{ | ||
/* start filled at runtime */ | ||
.flags = IORESOURCE_IRQ, | ||
}, | ||
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/* declare PCMCIA IO resource also */ | ||
{ | ||
.start = BCM_PCMCIA_IO_BASE_PA, | ||
.end = BCM_PCMCIA_IO_END_PA, | ||
.flags = IORESOURCE_IO, | ||
}, | ||
}; | ||
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static struct bcm63xx_pcmcia_platform_data pd; | ||
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static struct platform_device bcm63xx_pcmcia_device = { | ||
.name = "bcm63xx_pcmcia", | ||
.id = 0, | ||
.num_resources = ARRAY_SIZE(pcmcia_resources), | ||
.resource = pcmcia_resources, | ||
.dev = { | ||
.platform_data = &pd, | ||
}, | ||
}; | ||
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static int __init config_pcmcia_cs(unsigned int cs, | ||
u32 base, unsigned int size) | ||
{ | ||
int ret; | ||
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ret = bcm63xx_set_cs_status(cs, 0); | ||
if (!ret) | ||
ret = bcm63xx_set_cs_base(cs, base, size); | ||
if (!ret) | ||
ret = bcm63xx_set_cs_status(cs, 1); | ||
return ret; | ||
} | ||
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static const __initdata struct { | ||
unsigned int cs; | ||
unsigned int base; | ||
unsigned int size; | ||
} pcmcia_cs[3] = { | ||
{ | ||
.cs = MPI_CS_PCMCIA_COMMON, | ||
.base = BCM_PCMCIA_COMMON_BASE_PA, | ||
.size = BCM_PCMCIA_COMMON_SIZE | ||
}, | ||
{ | ||
.cs = MPI_CS_PCMCIA_ATTR, | ||
.base = BCM_PCMCIA_ATTR_BASE_PA, | ||
.size = BCM_PCMCIA_ATTR_SIZE | ||
}, | ||
{ | ||
.cs = MPI_CS_PCMCIA_IO, | ||
.base = BCM_PCMCIA_IO_BASE_PA, | ||
.size = BCM_PCMCIA_IO_SIZE | ||
}, | ||
}; | ||
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int __init bcm63xx_pcmcia_register(void) | ||
{ | ||
int ret, i; | ||
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if (!BCMCPU_IS_6348() && !BCMCPU_IS_6358()) | ||
return 0; | ||
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/* use correct pcmcia ready gpio depending on processor */ | ||
switch (bcm63xx_get_cpu_id()) { | ||
case BCM6348_CPU_ID: | ||
pd.ready_gpio = 22; | ||
break; | ||
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case BCM6358_CPU_ID: | ||
pd.ready_gpio = 18; | ||
break; | ||
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default: | ||
return -ENODEV; | ||
} | ||
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pcmcia_resources[0].start = bcm63xx_regset_address(RSET_PCMCIA); | ||
pcmcia_resources[0].end = pcmcia_resources[0].start + | ||
RSET_PCMCIA_SIZE - 1; | ||
pcmcia_resources[4].start = bcm63xx_get_irq_number(IRQ_PCMCIA); | ||
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/* configure pcmcia chip selects */ | ||
for (i = 0; i < 3; i++) { | ||
ret = config_pcmcia_cs(pcmcia_cs[i].cs, | ||
pcmcia_cs[i].base, | ||
pcmcia_cs[i].size); | ||
if (ret) | ||
goto out_err; | ||
} | ||
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return platform_device_register(&bcm63xx_pcmcia_device); | ||
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out_err: | ||
printk(KERN_ERR "unable to set pcmcia chip select\n"); | ||
return ret; | ||
} |
13 changes: 13 additions & 0 deletions
13
trunk/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_pcmcia.h
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#ifndef BCM63XX_DEV_PCMCIA_H_ | ||
#define BCM63XX_DEV_PCMCIA_H_ | ||
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/* | ||
* PCMCIA driver platform data | ||
*/ | ||
struct bcm63xx_pcmcia_platform_data { | ||
unsigned int ready_gpio; | ||
}; | ||
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int bcm63xx_pcmcia_register(void); | ||
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#endif /* BCM63XX_DEV_PCMCIA_H_ */ |
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