MIPS: BCM63xx: Add PCMCIA & Cardbus support. (553d6d5f) · Commits · e / devices / android_kernel_teracube_emerald

arch/mips/bcm63xx/Makefile

+1 −1

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		obj-y += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \
		dev-dsp.o dev-enet.o dev-uart.o
		dev-dsp.o dev-enet.o dev-pcmcia.o dev-uart.o
		obj-$(CONFIG_EARLY_PRINTK) += early_printk.o

		obj-y += boards/

arch/mips/bcm63xx/boards/board_bcm963xx.c

+4 −0

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		@@ -23,6 +23,7 @@
		#include <bcm63xx_dev_pci.h>
		#include <bcm63xx_dev_enet.h>
		#include <bcm63xx_dev_dsp.h>
		#include <bcm63xx_dev_pcmcia.h>
		#include <bcm63xx_dev_uart.h>
		#include <board_bcm963xx.h>

		@@ -795,6 +796,9 @@ int __init board_register_devices(void)

		bcm63xx_uart_register();

		if (board.has_pccard)
		bcm63xx_pcmcia_register();

		if (board.has_enet0 &&
		!board_get_mac_address(board.enet0.mac_addr))
		bcm63xx_enet_register(0, &board.enet0);

arch/mips/bcm63xx/dev-pcmcia.c

0 → 100644

+144 −0

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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>
		*/

		#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;
		}

		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
		},
		};

		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:
		printk(KERN_ERR "unable to set pcmcia chip select\n");
		return ret;
		}

arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_pcmcia.h

0 → 100644

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		#ifndef BCM63XX_DEV_PCMCIA_H_
		#define BCM63XX_DEV_PCMCIA_H_

		/*
		* PCMCIA driver platform data
		*/
		struct bcm63xx_pcmcia_platform_data {
		unsigned int ready_gpio;
		};

		int bcm63xx_pcmcia_register(void);

		#endif /* BCM63XX_DEV_PCMCIA_H_ */

drivers/pcmcia/Kconfig

+4 −0

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		@@ -192,6 +192,10 @@ config PCMCIA_AU1X00
		tristate "Au1x00 pcmcia support"
		depends on SOC_AU1X00 && PCMCIA

		config PCMCIA_BCM63XX
		tristate "bcm63xx pcmcia support"
		depends on BCM63XX && PCMCIA

		config PCMCIA_SA1100
		tristate "SA1100 support"
		depends on ARM && ARCH_SA1100 && PCMCIA