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Commit 780febd5 authored by Russell King's avatar Russell King
Browse files

ARM: sa1100/cerf: convert to generic CF sockets 



Convert Cerf to use the generic CF socket support.

Signed-off-by: default avatarRussell King <rmk+kernel@armlinux.org.uk>
parent 29786e9b

arch/arm/mach-sa1100/cerf.c

+15 −3
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ 
 */



#include <linux/init.h>

#include <linux/gpio/machine.h>

#include <linux/kernel.h>

#include <linux/tty.h>

#include <linux/platform_data/sa11x0-serial.h>
@@ -45,6 +46,19 @@ static struct platform_device cerfuart2_device = { 
	.resource	= cerfuart2_resources,

};



/* Compact Flash */

static struct gpiod_lookup_table cerf_cf_gpio_table = {

	.dev_id = "sa11x0-pcmcia.1",

	.table = {

		GPIO_LOOKUP("gpio", 19, "bvd2", GPIO_ACTIVE_HIGH),

		GPIO_LOOKUP("gpio", 20, "bvd1", GPIO_ACTIVE_HIGH),

		GPIO_LOOKUP("gpio", 21, "reset", GPIO_ACTIVE_HIGH),

		GPIO_LOOKUP("gpio", 22, "ready", GPIO_ACTIVE_HIGH),

		GPIO_LOOKUP("gpio", 23, "detect", GPIO_ACTIVE_LOW),

		{ },

	},

};



/* LEDs */

struct gpio_led cerf_gpio_leds[] = {

	{
@@ -151,9 +165,6 @@ static void __init cerf_map_io(void) 
	sa1100_register_uart(0, 3);

	sa1100_register_uart(1, 2); /* disable this and the uart2 device for sa1100_fir */

	sa1100_register_uart(2, 1);



	/* set some GPDR bits here while it's safe */

	GPDR |= CERF_GPIO_CF_RESET;

}



static struct mcp_plat_data cerf_mcp_data = {
@@ -167,6 +178,7 @@ static void __init cerf_init(void) 
	platform_add_devices(cerf_devices, ARRAY_SIZE(cerf_devices));

	sa11x0_register_mtd(&cerf_flash_data, &cerf_flash_resource, 1);

	sa11x0_register_mcp(&cerf_mcp_data);

	sa11x0_register_pcmcia(1, &cerf_cf_gpio_table);

}



MACHINE_START(CERF, "Intrinsyc CerfBoard/CerfCube")

drivers/pcmcia/Makefile

+0 −1
Original line number Diff line number Diff line
@@ -46,7 +46,6 @@ sa1111_cs-$(CONFIG_SA1100_JORNADA720) += sa1111_jornada720.o 
sa1111_cs-$(CONFIG_ARCH_LUBBOCK)		+= sa1111_lubbock.o



sa1100_cs-y					+= sa1100_generic.o

sa1100_cs-$(CONFIG_SA1100_CERF)			+= sa1100_cerf.o

sa1100_cs-$(CONFIG_SA1100_COLLIE)		+= pxa2xx_sharpsl.o

sa1100_cs-$(CONFIG_SA1100_H3100)		+= sa1100_h3600.o

sa1100_cs-$(CONFIG_SA1100_H3600)		+= sa1100_h3600.o

drivers/pcmcia/sa1100_cerf.c

deleted100644 → 0
+0 −86
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0

/*

 * drivers/pcmcia/sa1100_cerf.c

 *

 * PCMCIA implementation routines for CerfBoard

 * Based off the Assabet.

 *

 */

#include <linux/module.h>

#include <linux/kernel.h>

#include <linux/device.h>

#include <linux/init.h>

#include <linux/delay.h>

#include <linux/gpio.h>



#include <mach/hardware.h>

#include <asm/mach-types.h>

#include <asm/irq.h>

#include <mach/cerf.h>

#include "sa1100_generic.h"



#define CERF_SOCKET	1



static int cerf_pcmcia_hw_init(struct soc_pcmcia_socket *skt)

{

	int ret;



	ret = gpio_request_one(CERF_GPIO_CF_RESET, GPIOF_OUT_INIT_LOW, "CF_RESET");

	if (ret)

		return ret;



	skt->stat[SOC_STAT_CD].gpio = CERF_GPIO_CF_CD;

	skt->stat[SOC_STAT_CD].name = "CF_CD";

	skt->stat[SOC_STAT_BVD1].gpio = CERF_GPIO_CF_BVD1;

	skt->stat[SOC_STAT_BVD1].name = "CF_BVD1";

	skt->stat[SOC_STAT_BVD2].gpio = CERF_GPIO_CF_BVD2;

	skt->stat[SOC_STAT_BVD2].name = "CF_BVD2";

	skt->stat[SOC_STAT_RDY].gpio = CERF_GPIO_CF_IRQ;

	skt->stat[SOC_STAT_RDY].name = "CF_IRQ";



	return 0;

}



static void cerf_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)

{

	gpio_free(CERF_GPIO_CF_RESET);

}



static int

cerf_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,

			     const socket_state_t *state)

{

	switch (state->Vcc) {

	case 0:

	case 50:

	case 33:

		break;



	default:

		printk(KERN_ERR "%s(): unrecognized Vcc %u\n",

			__func__, state->Vcc);

		return -1;

	}



	gpio_set_value(CERF_GPIO_CF_RESET, !!(state->flags & SS_RESET));



	return 0;

}



static struct pcmcia_low_level cerf_pcmcia_ops = { 

	.owner			= THIS_MODULE,

	.hw_init		= cerf_pcmcia_hw_init,

	.hw_shutdown		= cerf_pcmcia_hw_shutdown,

	.socket_state		= soc_common_cf_socket_state,

	.configure_socket	= cerf_pcmcia_configure_socket,

};



int pcmcia_cerf_init(struct device *dev)

{

	int ret = -ENODEV;



	if (machine_is_cerf())

		ret = sa11xx_drv_pcmcia_probe(dev, &cerf_pcmcia_ops, CERF_SOCKET, 1);



	return ret;

}

drivers/pcmcia/sa1100_generic.c

+0 −3
Original line number Diff line number Diff line
@@ -98,9 +98,6 @@ static struct pcmcia_low_level sa11x0_cf_ops = { 
int __init pcmcia_collie_init(struct device *dev);



static int (*sa11x0_pcmcia_legacy_hw_init[])(struct device *dev) = {

#ifdef CONFIG_SA1100_CERF

	pcmcia_cerf_init,

#endif

#if defined(CONFIG_SA1100_H3100) || defined(CONFIG_SA1100_H3600)

	pcmcia_h3600_init,

#endif

drivers/pcmcia/sa1100_generic.h

+0 −1
Original line number Diff line number Diff line
@@ -7,7 +7,6 @@ 
 */

extern int pcmcia_adsbitsy_init(struct device *);

extern int pcmcia_badge4_init(struct device *);

extern int pcmcia_cerf_init(struct device *);

extern int pcmcia_flexanet_init(struct device *);

extern int pcmcia_freebird_init(struct device *);

extern int pcmcia_gcplus_init(struct device *);