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MIPS: Alchemy: XXS1500 PCMCIA driver rewrite

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Rewritten XXS1500 PCMCIA socket driver, standalone (doesn't depend on
au1000_generic.c) and added carddetect IRQ support.

Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Cc: Florian Fainelli <florian@openwrt.org>
Cc: Linux-PCMCIA <linux-pcmcia@lists.infradead.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Manuel Lauss
2009-10-04 14:55:29 +02:00
committed by Ralf Baechle
parent 27dd65ac9a
commit 0273b4efcc
7 changed files with 433 additions and 206 deletions
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2
arch/mips/alchemy/xxs1500/Makefile
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@@ -5,4 +5,4 @@
# Makefile for MyCable XXS1500 board.
#
lib-y := init.o board_setup.o
lib-y := init.o board_setup.o platform.o

16
arch/mips/alchemy/xxs1500/board_setup.c
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@@ -69,22 +69,6 @@ void __init board_setup(void)
/* Enable DTR = USB power up */
au_writel(0x01, UART3_ADDR + UART_MCR); /* UART_MCR_DTR is 0x01??? */
#ifdef CONFIG_PCMCIA_XXS1500
/* GPIO 0, 1, and 4 are inputs */
alchemy_gpio_direction_input(0);
alchemy_gpio_direction_input(1);
alchemy_gpio_direction_input(4);
/* GPIO2 208/9/10/11 are inputs */
alchemy_gpio_direction_input(208);
alchemy_gpio_direction_input(209);
alchemy_gpio_direction_input(210);
alchemy_gpio_direction_input(211);
/* Turn off power */
alchemy_gpio_direction_output(214, 0);
#endif
#ifdef CONFIG_PCI
#if defined(__MIPSEB__)
au_writel(0xf | (2 << 6) | (1 << 4), Au1500_PCI_CFG);

63
arch/mips/alchemy/xxs1500/platform.c Normal file
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@@ -0,0 +1,63 @@
/*
* XXS1500 board platform device registration
*
* Copyright (C) 2009 Manuel Lauss
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <linux/init.h>
#include <linux/platform_device.h>
#include <asm/mach-au1x00/au1000.h>
static struct resource xxs1500_pcmcia_res[] = {
{
.name = "pseudo-io",
.flags = IORESOURCE_MEM,
.start = PCMCIA_IO_PSEUDO_PHYS,
.end = PCMCIA_IO_PSEUDO_PHYS + 0x00040000 - 1,
},
{
.name = "pseudo-attr",
.flags = IORESOURCE_MEM,
.start = PCMCIA_ATTR_PSEUDO_PHYS,
.end = PCMCIA_ATTR_PSEUDO_PHYS + 0x00040000 - 1,
},
{
.name = "pseudo-mem",
.flags = IORESOURCE_MEM,
.start = PCMCIA_IO_PSEUDO_PHYS,
.end = PCMCIA_IO_PSEUDO_PHYS + 0x00040000 - 1,
},
};
static struct platform_device xxs1500_pcmcia_dev = {
.name = "xxs1500_pcmcia",
.id = -1,
.num_resources = ARRAY_SIZE(xxs1500_pcmcia_res),
.resource = xxs1500_pcmcia_res,
};
static struct platform_device *xxs1500_devs[] __initdata = {
&xxs1500_pcmcia_dev,
};
static int __init xxs1500_dev_init(void)
{
return platform_add_devices(xxs1500_devs,
ARRAY_SIZE(xxs1500_devs));
}
device_initcall(xxs1500_dev_init);