[PATCH] [POWERPC] 8xx: mpc885ads pcmcia support

From: Vitaly Bordug
Date: Thu May 03 2007 - 02:55:29 EST


Adds support for PowerQuicc on-chip PCMCIA. The driver is implemented as
of_device, so only arch/powerpc stuff is capable to use it, which now
implies only mpc885ads reference board.

To cope with the code that should be hooked inside driver, but is really
board specific (like set_voltage), global structure mpc8xx_pcmcia_ops
holds necessary function pointers that are filled in the BSP code.

Signed-off-by: Vitaly Bordug <vitb@xxxxxxxxxxxxxxxxxxx>
---

arch/powerpc/boot/dts/mpc885ads.dts | 12 +
arch/powerpc/platforms/8xx/mpc885ads.h | 5
arch/powerpc/platforms/8xx/mpc885ads_setup.c | 75 +++++
arch/powerpc/sysdev/fsl_soc.c | 12 +
drivers/pcmcia/Kconfig | 1
drivers/pcmcia/m8xx_pcmcia.c | 356 ++++++++++++--------------
6 files changed, 271 insertions(+), 190 deletions(-)

diff --git a/arch/powerpc/boot/dts/mpc885ads.dts b/arch/powerpc/boot/dts/mpc885ads.dts
index 110bf61..89d585f 100644
--- a/arch/powerpc/boot/dts/mpc885ads.dts
+++ b/arch/powerpc/boot/dts/mpc885ads.dts
@@ -112,6 +112,18 @@
compatible = "CPM";
};

+ pcmcia@0080 {
+ linux,phandle = <0080>;
+ #interrupt-cells = <1>;
+ #size-cells = <2>;
+ compatible = "8xx";
+ device_type = "pcmcia";
+ reg = <80 80>;
+ clock-frequency = <2faf080>;
+ interrupt-parent = <ff000000>;
+ interrupts = <d 1>;
+ };
+
cpm@ff000000 {
linux,phandle = <ff000000>;
#address-cells = <1>;
diff --git a/arch/powerpc/platforms/8xx/mpc885ads.h b/arch/powerpc/platforms/8xx/mpc885ads.h
index 7c31aec..4439346 100644
--- a/arch/powerpc/platforms/8xx/mpc885ads.h
+++ b/arch/powerpc/platforms/8xx/mpc885ads.h
@@ -91,5 +91,10 @@
#define SICR_ENET_MASK ((uint)0x00ff0000)
#define SICR_ENET_CLKRT ((uint)0x002c0000)

+/* Some internal interrupt registers use an 8-bit mask for the interrupt
+ * level instead of a number.
+ */
+#define mk_int_int_mask(IL) (1 << (7 - (IL/2)))
+
#endif /* __ASM_MPC885ADS_H__ */
#endif /* __KERNEL__ */
diff --git a/arch/powerpc/platforms/8xx/mpc885ads_setup.c b/arch/powerpc/platforms/8xx/mpc885ads_setup.c
index a57b577..056e1e0 100644
--- a/arch/powerpc/platforms/8xx/mpc885ads_setup.c
+++ b/arch/powerpc/platforms/8xx/mpc885ads_setup.c
@@ -22,6 +22,7 @@

#include <linux/fs_enet_pd.h>
#include <linux/fs_uart_pd.h>
+#include <linux/fs_pcmcia.h>
#include <linux/mii.h>

#include <asm/delay.h>
@@ -51,6 +52,16 @@ static void init_smc1_uart_ioports(struct fs_uart_platform_info* fpi);
static void init_smc2_uart_ioports(struct fs_uart_platform_info* fpi);
static void init_scc3_ioports(struct fs_platform_info* ptr);

+#ifdef CONFIG_PCMCIA_M8XX
+static void pcmcia_hw_setup(int slot, int enable);
+static int pcmcia_set_voltage(int slot, int vcc, int vpp);
+
+struct mpc8xx_pcmcia_ops m8xx_pcmcia_ops = {
+ .hw_ctrl = pcmcia_hw_setup,
+ .voltage_set = pcmcia_set_voltage,
+};
+#endif
+
void __init mpc885ads_board_setup(void)
{
cpm8xx_t *cp;
@@ -322,6 +333,70 @@ void init_smc_ioports(struct fs_uart_platform_info *data)
}
}

+#ifdef CONFIG_PCMCIA_M8XX
+static void pcmcia_hw_setup(int slot, int enable)
+{
+ unsigned *bcsr_io;
+
+ bcsr_io = ioremap(BCSR1, sizeof(unsigned long));
+ if (enable)
+ clrbits32(bcsr_io, BCSR1_PCCEN);
+ else
+ setbits32(bcsr_io, BCSR1_PCCEN);
+
+ iounmap(bcsr_io);
+}
+
+static int pcmcia_set_voltage(int slot, int vcc, int vpp)
+{
+ u32 reg = 0;
+ unsigned *bcsr_io;
+
+ bcsr_io = ioremap(BCSR1, sizeof(unsigned long));
+
+ switch(vcc) {
+ case 0:
+ break;
+ case 33:
+ reg |= BCSR1_PCCVCC0;
+ break;
+ case 50:
+ reg |= BCSR1_PCCVCC1;
+ break;
+ default:
+ return 1;
+ }
+
+ switch(vpp) {
+ case 0:
+ break;
+ case 33:
+ case 50:
+ if(vcc == vpp)
+ reg |= BCSR1_PCCVPP1;
+ else
+ return 1;
+ break;
+ case 120:
+ if ((vcc == 33) || (vcc == 50))
+ reg |= BCSR1_PCCVPP0;
+ else
+ return 1;
+ default:
+ return 1;
+ }
+
+ /* first, turn off all power */
+ clrbits32(bcsr_io, 0x00610000);
+
+ /* enable new powersettings */
+ setbits32(bcsr_io, reg);
+
+ iounmap(bcsr_io);
+ return 0;
+}
+#endif
+
int platform_device_skip(const char *model, int id)
{
#ifdef CONFIG_MPC8xx_SECOND_ETH_SCC3
diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index 8a123c7..e7eff6b 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -1028,6 +1028,18 @@ err:

arch_initcall(fs_enet_of_init);

+static int __init fsl_pcmcia_of_init(void)
+{
+ struct device_node *np = NULL;
+ /*
+ * Register all the devices which type is "pcmcia"
+ */
+ while ((np = of_find_node_by_type(np, "pcmcia")) != NULL)
+ of_platform_device_create(np, "m8xx-pcmcia", NULL);
+ return 0;
+}
+
+arch_initcall(fsl_pcmcia_of_init);

static const char *smc_regs = "regs";
static const char *smc_pram = "pram";
diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig
index 35f8864..c3fd55d 100644
--- a/drivers/pcmcia/Kconfig
+++ b/drivers/pcmcia/Kconfig
@@ -183,6 +183,7 @@ config PCMCIA_M8XX
tristate "MPC8xx PCMCIA support"
depends on PCMCIA && PPC && 8xx
select PCCARD_IODYN
+ select PCCARD_NONSTATIC
help
Say Y here to include support for PowerPC 8xx series PCMCIA
controller.
diff --git a/drivers/pcmcia/m8xx_pcmcia.c b/drivers/pcmcia/m8xx_pcmcia.c
index 9721ed7..9c2e6ca 100644
--- a/drivers/pcmcia/m8xx_pcmcia.c
+++ b/drivers/pcmcia/m8xx_pcmcia.c
@@ -40,10 +40,6 @@
#include <linux/fcntl.h>
#include <linux/string.h>

-#include <asm/io.h>
-#include <asm/bitops.h>
-#include <asm/system.h>
-
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/slab.h>
@@ -51,11 +47,18 @@
#include <linux/ioport.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
-#include <linux/platform_device.h>
+#include <linux/fs_pcmcia.h>

+#include <asm/io.h>
+#include <asm/bitops.h>
+#include <asm/system.h>
+#include <asm/time.h>
#include <asm/mpc8xx.h>
#include <asm/8xx_immap.h>
#include <asm/irq.h>
+#include <asm/fs_pd.h>
+#include <asm/of_device.h>
+#include <asm/of_platform.h>

#include <pcmcia/version.h>
#include <pcmcia/cs_types.h>
@@ -146,27 +149,18 @@ MODULE_LICENSE("Dual MPL/GPL");
#define PCMCIA_MEM_WIN_BASE 0xe0000000 /* base address for memory window 0 */
#define PCMCIA_MEM_WIN_SIZE 0x04000000 /* each memory window is 64 MByte */
#define PCMCIA_IO_WIN_BASE _IO_BASE /* base address for io window 0 */
-
-#define PCMCIA_SCHLVL PCMCIA_INTERRUPT /* Status Change Interrupt Level */
-
/* ------------------------------------------------------------------------- */

-/* 2.4.x and newer has this always in HZ */
-#define M8XX_BUSFREQ ((((bd_t *)&(__res))->bi_busfreq))
-
-static int pcmcia_schlvl = PCMCIA_SCHLVL;
+static int pcmcia_schlvl;

-static DEFINE_SPINLOCK(events_lock);
+static spinlock_t events_lock = SPIN_LOCK_UNLOCKED;


#define PCMCIA_SOCKET_KEY_5V 1
#define PCMCIA_SOCKET_KEY_LV 2

/* look up table for pgcrx registers */
-static u32 *m8xx_pgcrx[2] = {
- &((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pgcra,
- &((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pgcrb
-};
+static u32 *m8xx_pgcrx[2];

/*
* This structure is used to address each window in the PCMCIA controller.
@@ -228,11 +222,16 @@ struct event_table {
u32 eventbit;
};

+static const char driver_name[] = "m8xx-pcmcia";
+
struct socket_info {
void (*handler)(void *info, u32 events);
void *info;

u32 slot;
+ pcmconf8xx_t *pcmcia;
+ u32 bus_freq;
+ int hwirq;

socket_state_t state;
struct pccard_mem_map mem_win[PCMCIA_MEM_WIN_NO];
@@ -408,79 +407,12 @@ static void hardware_disable(int slot)
#if defined(CONFIG_MPC885ADS)

#define PCMCIA_BOARD_MSG "MPC885ADS"
-
-static int voltage_set(int slot, int vcc, int vpp)
-{
- u32 reg = 0;
- unsigned *bcsr_io;
-
- bcsr_io = ioremap(BCSR1, sizeof(unsigned long));
-
- switch(vcc) {
- case 0:
- break;
- case 33:
- reg |= BCSR1_PCCVCC0;
- break;
- case 50:
- reg |= BCSR1_PCCVCC1;
- break;
- default:
- goto out_unmap;
- }
-
- switch(vpp) {
- case 0:
- break;
- case 33:
- case 50:
- if(vcc == vpp)
- reg |= BCSR1_PCCVPP1;
- else
- goto out_unmap;
- break;
- case 120:
- if ((vcc == 33) || (vcc == 50))
- reg |= BCSR1_PCCVPP0;
- else
- goto out_unmap;
- default:
- goto out_unmap;
- }
-
- /* first, turn off all power */
- out_be32(bcsr_io, in_be32(bcsr_io) & ~(BCSR1_PCCVCC_MASK | BCSR1_PCCVPP_MASK));
-
- /* enable new powersettings */
- out_be32(bcsr_io, in_be32(bcsr_io) | reg);
-
- iounmap(bcsr_io);
- return 0;
-
-out_unmap:
- iounmap(bcsr_io);
- return 1;
-}
-
#define socket_get(_slot_) PCMCIA_SOCKET_KEY_5V

-static void hardware_enable(int slot)
-{
- unsigned *bcsr_io;
-
- bcsr_io = ioremap(BCSR1, sizeof(unsigned long));
- out_be32(bcsr_io, in_be32(bcsr_io) & ~BCSR1_PCCEN);
- iounmap(bcsr_io);
-}
-
-static void hardware_disable(int slot)
-{
- unsigned *bcsr_io;
-
- bcsr_io = ioremap(BCSR1, sizeof(unsigned long));
- out_be32(bcsr_io, in_be32(bcsr_io) | BCSR1_PCCEN);
- iounmap(bcsr_io);
-}
+extern struct mpc8xx_pcmcia_ops m8xx_pcmcia_ops;
+#define hardware_enable(_slot_) m8xx_pcmcia_ops.hw_ctrl(_slot_, 1)
+#define hardware_disable(_slot_) m8xx_pcmcia_ops.hw_ctrl(_slot_, 0)
+#define voltage_set(slot, vcc, vpp) m8xx_pcmcia_ops.voltage_set(slot, vcc, vpp)

#endif

@@ -604,63 +536,22 @@ static int voltage_set(int slot, int vcc, int vpp)

#endif /* CONFIG_PRxK */

-static void m8xx_shutdown(void)
-{
- u32 m, i;
- struct pcmcia_win *w;
-
- for(i = 0; i < PCMCIA_SOCKETS_NO; i++){
- w = (void *) &((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pbr0;
-
- out_be32(&((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pscr, M8XX_PCMCIA_MASK(i));
- out_be32(&((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_per, in_be32(&((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_per) & ~M8XX_PCMCIA_MASK(i));
-
- /* turn off interrupt and disable CxOE */
- out_be32(M8XX_PGCRX(i), M8XX_PGCRX_CXOE);
-
- /* turn off memory windows */
- for(m = 0; m < PCMCIA_MEM_WIN_NO; m++) {
- out_be32(&w->or, 0); /* set to not valid */
- w++;
- }
-
- /* turn off voltage */
- voltage_set(i, 0, 0);
-
- /* disable external hardware */
- hardware_disable(i);
- }
-
- free_irq(pcmcia_schlvl, NULL);
-}
-
-static struct device_driver m8xx_driver = {
- .name = "m8xx-pcmcia",
- .bus = &platform_bus_type,
- .suspend = pcmcia_socket_dev_suspend,
- .resume = pcmcia_socket_dev_resume,
-};
-
-static struct platform_device m8xx_device = {
- .name = "m8xx-pcmcia",
- .id = 0,
-};
-
static u32 pending_events[PCMCIA_SOCKETS_NO];
-static DEFINE_SPINLOCK(pending_event_lock);
+static spinlock_t pending_event_lock = SPIN_LOCK_UNLOCKED;

static irqreturn_t m8xx_interrupt(int irq, void *dev)
{
struct socket_info *s;
struct event_table *e;
unsigned int i, events, pscr, pipr, per;
+ pcmconf8xx_t *pcmcia = socket[0].pcmcia;

dprintk("Interrupt!\n");
/* get interrupt sources */

- pscr = in_be32(&((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pscr);
- pipr = in_be32(&((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pipr);
- per = in_be32(&((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_per);
+ pscr = in_be32(&pcmcia->pcmc_pscr);
+ pipr = in_be32(&pcmcia->pcmc_pipr);
+ per = in_be32(&pcmcia->pcmc_per);

for(i = 0; i < PCMCIA_SOCKETS_NO; i++) {
s = &socket[i];
@@ -724,7 +615,7 @@ static irqreturn_t m8xx_interrupt(int irq, void *dev)
per &= ~M8XX_PCMCIA_RDY_L(0);
per &= ~M8XX_PCMCIA_RDY_L(1);

- out_be32(&((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_per, per);
+ out_be32(&pcmcia->pcmc_per, per);

if (events)
pcmcia_parse_events(&socket[i].socket, events);
@@ -732,7 +623,7 @@ static irqreturn_t m8xx_interrupt(int irq, void *dev)
}

/* clear the interrupt sources */
- out_be32(&((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pscr, pscr);
+ out_be32(&pcmcia->pcmc_pscr, pscr);

dprintk("Interrupt done.\n");

@@ -753,7 +644,7 @@ static u32 m8xx_get_graycode(u32 size)
return k;
}

-static u32 m8xx_get_speed(u32 ns, u32 is_io)
+static u32 m8xx_get_speed(u32 ns, u32 is_io, u32 bus_freq)
{
u32 reg, clocks, psst, psl, psht;

@@ -781,7 +672,7 @@ static u32 m8xx_get_speed(u32 ns, u32 is_io)

#define ADJ 180 /* 80 % longer accesstime - to be sure */

- clocks = ((M8XX_BUSFREQ / 1000) * ns) / 1000;
+ clocks = ((bus_freq / 1000) * ns) / 1000;
clocks = (clocks * ADJ) / (100*1000);
if(clocks >= PCMCIA_BMT_LIMIT) {
printk( "Max access time limit reached\n");
@@ -806,8 +697,9 @@ static int m8xx_get_status(struct pcmcia_socket *sock, unsigned int *value)
int lsock = container_of(sock, struct socket_info, socket)->slot;
struct socket_info *s = &socket[lsock];
unsigned int pipr, reg;
+ pcmconf8xx_t *pcmcia = s->pcmcia;

- pipr = in_be32(&((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pipr);
+ pipr = in_be32(&pcmcia->pcmc_pipr);

*value = ((pipr & (M8XX_PCMCIA_CD1(lsock)
| M8XX_PCMCIA_CD2(lsock))) == 0) ? SS_DETECT : 0;
@@ -918,6 +810,7 @@ static int m8xx_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
struct event_table *e;
unsigned int reg;
unsigned long flags;
+ pcmconf8xx_t *pcmcia = socket[0].pcmcia;

dprintk( "SetSocket(%d, flags %#3.3x, Vcc %d, Vpp %d, "
"io_irq %d, csc_mask %#2.2x)\n", lsock, state->flags,
@@ -927,6 +820,7 @@ static int m8xx_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
if(voltage_set(lsock, state->Vcc, state->Vpp))
return -EINVAL;

+
/* Take care of reset... */
if(state->flags & SS_RESET)
out_be32(M8XX_PGCRX(lsock), in_be32(M8XX_PGCRX(lsock)) | M8XX_PGCRX_CXRESET); /* active high */
@@ -982,7 +876,8 @@ static int m8xx_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
* If io_irq is non-zero we should enable irq.
*/
if(state->io_irq) {
- out_be32(M8XX_PGCRX(lsock), in_be32(M8XX_PGCRX(lsock)) | mk_int_int_mask(state->io_irq) << 24);
+ out_be32(M8XX_PGCRX(lsock),
+ in_be32(M8XX_PGCRX(lsock)) | mk_int_int_mask(s->hwirq) << 24);
/*
* Strange thing here:
* The manual does not tell us which interrupt
@@ -1027,7 +922,7 @@ static int m8xx_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
* Writing ones will clear the bits.
*/

- out_be32(&((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pscr, reg);
+ out_be32(&pcmcia->pcmc_pscr, reg);

/*
* Write the mask.
@@ -1036,15 +931,8 @@ static int m8xx_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
* Ones will enable the interrupt.
*/

- /*
- reg |= ((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_per
- & M8XX_PCMCIA_MASK(lsock);
- */
-
- reg |= in_be32(&((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_per) &
- (M8XX_PCMCIA_MASK(0) | M8XX_PCMCIA_MASK(1));
-
- out_be32(&((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_per, reg);
+ reg |= in_be32(&pcmcia->pcmc_per) & (M8XX_PCMCIA_MASK(0) | M8XX_PCMCIA_MASK(1));
+ out_be32(&pcmcia->pcmc_per, reg);

spin_unlock_irqrestore(&events_lock, flags);

@@ -1062,6 +950,8 @@ static int m8xx_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io)
struct socket_info *s = &socket[lsock];
struct pcmcia_win *w;
unsigned int reg, winnr;
+ pcmconf8xx_t *pcmcia = s->pcmcia;
+

#define M8XX_SIZE (io->stop - io->start + 1)
#define M8XX_BASE (PCMCIA_IO_WIN_BASE + io->start)
@@ -1086,7 +976,7 @@ static int m8xx_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io)

/* setup registers */

- w = (void *) &((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pbr0;
+ w = (void *) &pcmcia->pcmc_pbr0;
w += winnr;

out_be32(&w->or, 0); /* turn off window first */
@@ -1095,12 +985,13 @@ static int m8xx_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io)
reg <<= 27;
reg |= M8XX_PCMCIA_POR_IO |(lsock << 2);

- reg |= m8xx_get_speed(io->speed, 1);
+ reg |= m8xx_get_speed(io->speed, 1, s->bus_freq);

if(io->flags & MAP_WRPROT)
reg |= M8XX_PCMCIA_POR_WRPROT;

- if(io->flags & (MAP_16BIT | MAP_AUTOSZ))
+ /*if(io->flags & (MAP_16BIT | MAP_AUTOSZ))*/
+ if(io->flags & MAP_16BIT)
reg |= M8XX_PCMCIA_POR_16BIT;

if(io->flags & MAP_ACTIVE)
@@ -1117,7 +1008,7 @@ static int m8xx_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io)

/* setup registers */

- w = (void *) &((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pbr0;
+ w = (void *) &pcmcia->pcmc_pbr0;
w += winnr;

out_be32(&w->or, 0); /* turn off window */
@@ -1144,6 +1035,7 @@ static int m8xx_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *m
struct pcmcia_win *w;
struct pccard_mem_map *old;
unsigned int reg, winnr;
+ pcmconf8xx_t *pcmcia = s->pcmcia;

dprintk( "SetMemMap(%d, %d, %#2.2x, %d ns, "
"%#5.5lx, %#5.5x)\n", lsock, mem->map, mem->flags,
@@ -1166,12 +1058,12 @@ static int m8xx_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *m

/* Setup the window in the pcmcia controller */

- w = (void *) &((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pbr0;
+ w = (void *) &pcmcia->pcmc_pbr0;
w += winnr;

reg |= lsock << 2;

- reg |= m8xx_get_speed(mem->speed, 0);
+ reg |= m8xx_get_speed(mem->speed, 0, s->bus_freq);

if(mem->flags & MAP_ATTRIB)
reg |= M8XX_PCMCIA_POR_ATTRMEM;
@@ -1236,57 +1128,70 @@ static int m8xx_sock_init(struct pcmcia_socket *sock)

}

-static int m8xx_suspend(struct pcmcia_socket *sock)
+static int m8xx_sock_suspend(struct pcmcia_socket *sock)
{
return m8xx_set_socket(sock, &dead_socket);
}

static struct pccard_operations m8xx_services = {
.init = m8xx_sock_init,
- .suspend = m8xx_suspend,
+ .suspend = m8xx_sock_suspend,
.get_status = m8xx_get_status,
.set_socket = m8xx_set_socket,
.set_io_map = m8xx_set_io_map,
.set_mem_map = m8xx_set_mem_map,
};

-static int __init m8xx_init(void)
+static int __init m8xx_probe(struct of_device *ofdev, const struct of_device_id *match)
{
struct pcmcia_win *w;
- unsigned int i,m;
+ unsigned int i, m, hwirq;
+ pcmconf8xx_t *pcmcia;
+ int status;
+ struct resource r;
+ struct device_node *np = ofdev->node;

pcmcia_info("%s\n", version);

- if (driver_register(&m8xx_driver))
- return -1;
+ if (of_address_to_resource(np, 0, &r))
+ return -EINVAL;
+
+ pcmcia = ioremap(r.start, r.end - r.start + 1);
+ if(pcmcia == NULL)
+ return -EINVAL;
+
+ pcmcia_schlvl = irq_of_parse_and_map(np, 0);
+ hwirq = irq_map[pcmcia_schlvl].hwirq;
+ if (pcmcia_schlvl < 0)
+ return -EINVAL;
+
+ m8xx_pgcrx[0] = &pcmcia->pcmc_pgcra;
+ m8xx_pgcrx[1] = &pcmcia->pcmc_pgcrb;
+

pcmcia_info(PCMCIA_BOARD_MSG " using " PCMCIA_SLOT_MSG
- " with IRQ %u.\n", pcmcia_schlvl);
+ " with IRQ %u (%d). \n", pcmcia_schlvl, hwirq);

/* Configure Status change interrupt */

- if(request_irq(pcmcia_schlvl, m8xx_interrupt, 0,
- "m8xx_pcmcia", NULL)) {
+ if(request_irq(pcmcia_schlvl, m8xx_interrupt, IRQF_SHARED,
+ driver_name, socket)) {
pcmcia_error("Cannot allocate IRQ %u for SCHLVL!\n",
pcmcia_schlvl);
return -1;
}

- w = (void *) &((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pbr0;
+ w = (void *) &pcmcia->pcmc_pbr0;

- out_be32(&((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pscr,
- M8XX_PCMCIA_MASK(0)| M8XX_PCMCIA_MASK(1));
+ out_be32(&pcmcia->pcmc_pscr, M8XX_PCMCIA_MASK(0)| M8XX_PCMCIA_MASK(1));
+ clrbits32(&pcmcia->pcmc_per, M8XX_PCMCIA_MASK(0) | M8XX_PCMCIA_MASK(1));

- out_be32(&((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_per,
- in_be32(&((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_per) &
- ~(M8XX_PCMCIA_MASK(0)| M8XX_PCMCIA_MASK(1)));
+ /* connect interrupt and disable CxOE */

-/* connect interrupt and disable CxOE */
+ out_be32(M8XX_PGCRX(0), M8XX_PGCRX_CXOE | (mk_int_int_mask(hwirq) << 16));
+ out_be32(M8XX_PGCRX(1), M8XX_PGCRX_CXOE | (mk_int_int_mask(hwirq) << 16));

- out_be32(M8XX_PGCRX(0), M8XX_PGCRX_CXOE | (mk_int_int_mask(pcmcia_schlvl) << 16));
- out_be32(M8XX_PGCRX(1), M8XX_PGCRX_CXOE | (mk_int_int_mask(pcmcia_schlvl) << 16));
-
-/* intialize the fixed memory windows */
+ /* intialize the fixed memory windows */

for(i = 0; i < PCMCIA_SOCKETS_NO; i++){
for(m = 0; m < PCMCIA_MEM_WIN_NO; m++) {
@@ -1300,16 +1205,14 @@ static int __init m8xx_init(void)
}
}

-/* turn off voltage */
+ /* turn off voltage */
voltage_set(0, 0, 0);
voltage_set(1, 0, 0);

-/* Enable external hardware */
+ /* Enable external hardware */
hardware_enable(0);
hardware_enable(1);

- platform_device_register(&m8xx_device);
-
for (i = 0 ; i < PCMCIA_SOCKETS_NO; i++) {
socket[i].slot = i;
socket[i].socket.owner = THIS_MODULE;
@@ -1317,30 +1220,103 @@ static int __init m8xx_init(void)
socket[i].socket.irq_mask = 0x000;
socket[i].socket.map_size = 0x1000;
socket[i].socket.io_offset = 0;
- socket[i].socket.pci_irq = i ? 7 : 9;
+ socket[i].socket.pci_irq = pcmcia_schlvl;
socket[i].socket.ops = &m8xx_services;
- socket[i].socket.resource_ops = &pccard_iodyn_ops;
+ socket[i].socket.resource_ops = &pccard_nonstatic_ops;
socket[i].socket.cb_dev = NULL;
- socket[i].socket.dev.parent = &m8xx_device.dev;
+ socket[i].socket.dev.parent = &ofdev->dev;
+ socket[i].pcmcia = pcmcia;
+ socket[i].bus_freq = ppc_proc_freq;
+ socket[i].hwirq = hwirq;
+
+
}

- for (i = 0; i < PCMCIA_SOCKETS_NO; i++)
- pcmcia_register_socket(&socket[i].socket);
+ for (i = 0; i < PCMCIA_SOCKETS_NO; i++) {
+ status = pcmcia_register_socket(&socket[i].socket);
+ if (status < 0)
+ pcmcia_error("Socket register failed\n");
+ }

return 0;
}

-static void __exit m8xx_exit(void)
+static int m8xx_remove(struct of_device* ofdev)
{
- int i;
+ u32 m, i;
+ struct pcmcia_win *w;
+ pcmconf8xx_t *pcmcia = socket[0].pcmcia;
+
+ for(i = 0; i < PCMCIA_SOCKETS_NO; i++){
+ w = (void *) &pcmcia->pcmc_pbr0;

+ out_be32(&pcmcia->pcmc_pscr, M8XX_PCMCIA_MASK(i));
+ out_be32(&pcmcia->pcmc_per, in_be32(&pcmcia->pcmc_per) & ~M8XX_PCMCIA_MASK(i));
+
+ /* turn off interrupt and disable CxOE */
+ out_be32(M8XX_PGCRX(i), M8XX_PGCRX_CXOE);
+
+ /* turn off memory windows */
+ for(m = 0; m < PCMCIA_MEM_WIN_NO; m++) {
+ out_be32(&w->or, 0); /* set to not valid */
+ w++;
+ }
+
+ /* turn off voltage */
+ voltage_set(i, 0, 0);
+
+ /* disable external hardware */
+ hardware_disable(i);
+ }
for (i = 0; i < PCMCIA_SOCKETS_NO; i++)
pcmcia_unregister_socket(&socket[i].socket);

- m8xx_shutdown();
+ free_irq(pcmcia_schlvl, NULL);
+
+ return 0;
+}

- platform_device_unregister(&m8xx_device);
- driver_unregister(&m8xx_driver);
+#ifdef CONFIG_PM
+static int m8xx_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ return pcmcia_socket_dev_suspend(&pdev->dev, state);
+}
+
+static int m8xx_resume(struct platform_device *pdev)
+{
+ return pcmcia_socket_dev_resume(&pdev->dev);
+}
+#endif
+
+static struct of_device_id m8xx_pcmcia_match[] = {
+ {
+ .type = "pcmcia",
+ .compatible = "8xx",
+ },
+ {},
+};
+
+MODULE_DEVICE_TABLE(of, m8xx_pcmcia_match);
+
+static struct of_platform_driver m8xx_pcmcia_driver = {
+ .name = (char *) driver_name,
+ .match_table = m8xx_pcmcia_match,
+ .probe = m8xx_probe,
+ .remove = m8xx_remove,
+#ifdef CONFIG_PM
+ .suspend = m8xx_suspend,
+ .resume = m8xx_resume,
+#endif
+};
+
+static int __init m8xx_init(void)
+{
+ return of_register_platform_driver(&m8xx_pcmcia_driver);
+}
+
+static void __exit m8xx_exit(void)
+{
+ of_unregister_platform_driver(&m8xx_pcmcia_driver);
}

module_init(m8xx_init);
-
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