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Release 4.14 arch/mips/bcm63xx/dev-pcmcia.c

/*
 * 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>
 */

#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>


static struct resource pcmcia_resources[] = {
	/* pcmcia registers */
	{
		/* start & end filled at runtime */
		.flags		= IORESOURCE_MEM,
        },

	/* 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,
        },

	/* PCMCIA irq */
	{
		/* start filled at runtime */
		.flags		= IORESOURCE_IRQ,
        },

	/* declare PCMCIA IO resource also */
	{
		.start		= BCM_PCMCIA_IO_BASE_PA,
		.end		= BCM_PCMCIA_IO_END_PA,
		.flags		= IORESOURCE_IO,
        },
};


static struct bcm63xx_pcmcia_platform_data pd;


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,
        },
};


static int __init config_pcmcia_cs(unsigned int cs, u32 base, unsigned int size) { int ret; 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; }

Contributors

PersonTokensPropCommitsCommitProp
Maxime Bizon63100.00%1100.00%
Total63100.00%1100.00%

static const struct { unsigned int cs; unsigned int base; unsigned int size; } pcmcia_cs[3] __initconst = { { .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 }, };
int __init bcm63xx_pcmcia_register(void) { int ret, i; if (!BCMCPU_IS_6348() && !BCMCPU_IS_6358()) return 0; /* use correct pcmcia ready gpio depending on processor */ switch (bcm63xx_get_cpu_id()) { case BCM6348_CPU_ID: pd.ready_gpio = 22; break; case BCM6358_CPU_ID: pd.ready_gpio = 18; break; default: return -ENODEV; } 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); /* 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; } return platform_device_register(&bcm63xx_pcmcia_device); out_err: pr_err("unable to set pcmcia chip select\n"); return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Maxime Bizon16699.40%150.00%
Gregory Fong10.60%150.00%
Total167100.00%2100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Maxime Bizon46798.11%133.33%
Uwe Kleine-König81.68%133.33%
Gregory Fong10.21%133.33%
Total476100.00%3100.00%
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