Commit 553d6d5f authored by Maxime Bizon's avatar Maxime Bizon Committed by Ralf Baechle

MIPS: BCM63xx: Add PCMCIA & Cardbus support.

Signed-off-by: default avatarMaxime Bizon <mbizon@freebox.fr>
Reviewed-by: default avatarWolfram Sang <w.sang@pengutronix.de>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 97184267
obj-y += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \ 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-$(CONFIG_EARLY_PRINTK) += early_printk.o obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
obj-y += boards/ obj-y += boards/
......
...@@ -23,6 +23,7 @@ ...@@ -23,6 +23,7 @@
#include <bcm63xx_dev_pci.h> #include <bcm63xx_dev_pci.h>
#include <bcm63xx_dev_enet.h> #include <bcm63xx_dev_enet.h>
#include <bcm63xx_dev_dsp.h> #include <bcm63xx_dev_dsp.h>
#include <bcm63xx_dev_pcmcia.h>
#include <bcm63xx_dev_uart.h> #include <bcm63xx_dev_uart.h>
#include <board_bcm963xx.h> #include <board_bcm963xx.h>
...@@ -795,6 +796,9 @@ int __init board_register_devices(void) ...@@ -795,6 +796,9 @@ int __init board_register_devices(void)
bcm63xx_uart_register(); bcm63xx_uart_register();
if (board.has_pccard)
bcm63xx_pcmcia_register();
if (board.has_enet0 && if (board.has_enet0 &&
!board_get_mac_address(board.enet0.mac_addr)) !board_get_mac_address(board.enet0.mac_addr))
bcm63xx_enet_register(0, &board.enet0); bcm63xx_enet_register(0, &board.enet0);
......
/*
* 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;
}
#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_ */
...@@ -192,6 +192,10 @@ config PCMCIA_AU1X00 ...@@ -192,6 +192,10 @@ config PCMCIA_AU1X00
tristate "Au1x00 pcmcia support" tristate "Au1x00 pcmcia support"
depends on SOC_AU1X00 && PCMCIA depends on SOC_AU1X00 && PCMCIA
config PCMCIA_BCM63XX
tristate "bcm63xx pcmcia support"
depends on BCM63XX && PCMCIA
config PCMCIA_SA1100 config PCMCIA_SA1100
tristate "SA1100 support" tristate "SA1100 support"
depends on ARM && ARCH_SA1100 && PCMCIA depends on ARM && ARCH_SA1100 && PCMCIA
......
...@@ -27,6 +27,7 @@ obj-$(CONFIG_PCMCIA_SA1111) += sa11xx_core.o sa1111_cs.o ...@@ -27,6 +27,7 @@ obj-$(CONFIG_PCMCIA_SA1111) += sa11xx_core.o sa1111_cs.o
obj-$(CONFIG_M32R_PCC) += m32r_pcc.o obj-$(CONFIG_M32R_PCC) += m32r_pcc.o
obj-$(CONFIG_M32R_CFC) += m32r_cfc.o obj-$(CONFIG_M32R_CFC) += m32r_cfc.o
obj-$(CONFIG_PCMCIA_AU1X00) += au1x00_ss.o obj-$(CONFIG_PCMCIA_AU1X00) += au1x00_ss.o
obj-$(CONFIG_PCMCIA_BCM63XX) += bcm63xx_pcmcia.o
obj-$(CONFIG_PCMCIA_VRC4171) += vrc4171_card.o obj-$(CONFIG_PCMCIA_VRC4171) += vrc4171_card.o
obj-$(CONFIG_PCMCIA_VRC4173) += vrc4173_cardu.o obj-$(CONFIG_PCMCIA_VRC4173) += vrc4173_cardu.o
obj-$(CONFIG_OMAP_CF) += omap_cf.o obj-$(CONFIG_OMAP_CF) += omap_cf.o
......
This diff is collapsed.
#ifndef BCM63XX_PCMCIA_H_
#define BCM63XX_PCMCIA_H_
#include <linux/types.h>
#include <linux/timer.h>
#include <pcmcia/ss.h>
#include <bcm63xx_dev_pcmcia.h>
/* socket polling rate in ms */
#define BCM63XX_PCMCIA_POLL_RATE 500
enum {
CARD_CARDBUS = (1 << 0),
CARD_PCCARD = (1 << 1),
CARD_5V = (1 << 2),
CARD_3V = (1 << 3),
CARD_XV = (1 << 4),
CARD_YV = (1 << 5),
};
struct bcm63xx_pcmcia_socket {
struct pcmcia_socket socket;
/* platform specific data */
struct bcm63xx_pcmcia_platform_data *pd;
/* all regs access are protected by this spinlock */
spinlock_t lock;
/* pcmcia registers resource */
struct resource *reg_res;
/* base remapped address of registers */
void __iomem *base;
/* whether a card is detected at the moment */
int card_detected;
/* type of detected card (mask of above enum) */
u8 card_type;
/* keep last socket status to implement event reporting */
unsigned int old_status;
/* backup of requested socket state */
socket_state_t requested_state;
/* timer used for socket status polling */
struct timer_list timer;
/* attribute/common memory resources */
struct resource *attr_res;
struct resource *common_res;
struct resource *io_res;
/* base address of io memory */
void __iomem *io_base;
};
#endif /* BCM63XX_PCMCIA_H_ */
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