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-rw-r--r--arch/arm/mach-at91rm9200/devices.c12
-rw-r--r--drivers/pcmcia/at91_cf.c51
2 files changed, 42 insertions, 21 deletions
diff --git a/arch/arm/mach-at91rm9200/devices.c b/arch/arm/mach-at91rm9200/devices.c
index 1781b8f342c..bfe47bd6e50 100644
--- a/arch/arm/mach-at91rm9200/devices.c
+++ b/arch/arm/mach-at91rm9200/devices.c
@@ -194,13 +194,23 @@ void __init at91_add_device_eth(struct at91_eth_data *data) {}
#if defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE)
static struct at91_cf_data cf_data;
+static struct resource at91_cf_resources[] = {
+ [0] = {
+ .start = AT91_CF_BASE,
+ /* ties up CS4, CS5, and CS6 */
+ .end = AT91_CF_BASE + (0x30000000 - 1),
+ .flags = IORESOURCE_MEM | IORESOURCE_MEM_8AND16BIT,
+ },
+};
+
static struct platform_device at91rm9200_cf_device = {
.name = "at91_cf",
.id = -1,
.dev = {
.platform_data = &cf_data,
},
- .num_resources = 0,
+ .resource = at91_cf_resources,
+ .num_resources = ARRAY_SIZE(at91_cf_resources),
};
void __init at91_add_device_cf(struct at91_cf_data *data)
diff --git a/drivers/pcmcia/at91_cf.c b/drivers/pcmcia/at91_cf.c
index 67cc5f7d0c9..a4d50940ebe 100644
--- a/drivers/pcmcia/at91_cf.c
+++ b/drivers/pcmcia/at91_cf.c
@@ -28,8 +28,6 @@
#include <asm/arch/gpio.h>
-#define CF_SIZE 0x30000000 /* CS5+CS6: unavailable */
-
/*
* A0..A10 work in each range; A23 indicates I/O space; A25 is CFRNW;
* some other bit in {A24,A22..A11} is nREG to flag memory access
@@ -76,7 +74,8 @@ static irqreturn_t at91_cf_irq(int irq, void *_cf, struct pt_regs *r)
/* kick pccard as needed */
if (present != cf->present) {
cf->present = present;
- pr_debug("%s: card %s\n", driver_name, present ? "present" : "gone");
+ pr_debug("%s: card %s\n", driver_name,
+ present ? "present" : "gone");
pcmcia_parse_events(&cf->socket, SS_DETECT);
}
}
@@ -93,7 +92,7 @@ static int at91_cf_get_status(struct pcmcia_socket *s, u_int *sp)
cf = container_of(s, struct at91_cf_socket, socket);
- /* NOTE: we assume 3VCARD, not XVCARD... */
+ /* NOTE: CF is always 3VCARD */
if (at91_cf_present(cf)) {
int rdy = cf->board->irq_pin; /* RDY/nIRQ */
int vcc = cf->board->vcc_pin;
@@ -109,7 +108,8 @@ static int at91_cf_get_status(struct pcmcia_socket *s, u_int *sp)
return 0;
}
-static int at91_cf_set_socket(struct pcmcia_socket *sock, struct socket_state_t *s)
+static int
+at91_cf_set_socket(struct pcmcia_socket *sock, struct socket_state_t *s)
{
struct at91_cf_socket *cf;
@@ -184,7 +184,8 @@ static int at91_cf_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io)
}
/* pcmcia layer maps/unmaps mem regions */
-static int at91_cf_set_mem_map(struct pcmcia_socket *s, struct pccard_mem_map *map)
+static int
+at91_cf_set_mem_map(struct pcmcia_socket *s, struct pccard_mem_map *map)
{
struct at91_cf_socket *cf;
@@ -218,12 +219,17 @@ static int __init at91_cf_probe(struct device *dev)
struct at91_cf_socket *cf;
struct at91_cf_data *board = dev->platform_data;
struct platform_device *pdev = to_platform_device(dev);
+ struct resource *io;
unsigned int csa;
int status;
if (!board || !board->det_pin || !board->rst_pin)
return -ENODEV;
+ io = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!io)
+ return -ENODEV;
+
cf = kcalloc(1, sizeof *cf, GFP_KERNEL);
if (!cf)
return -ENOMEM;
@@ -250,10 +256,14 @@ static int __init at91_cf_probe(struct device *dev)
* REVISIT: these timings are in terms of MCK cycles, so
* when MCK changes (cpufreq etc) so must these values...
*/
- at91_sys_write(AT91_SMC_CSR(4), AT91_SMC_ACSS_STD | AT91_SMC_DBW_16 | AT91_SMC_BAT | AT91_SMC_WSEN
- | AT91_SMC_NWS_(32) /* wait states */
- | AT91_SMC_RWSETUP_(6) /* setup time */
- | AT91_SMC_RWHOLD_(4) /* hold time */
+ at91_sys_write(AT91_SMC_CSR(4),
+ AT91_SMC_ACSS_STD
+ | AT91_SMC_DBW_16
+ | AT91_SMC_BAT
+ | AT91_SMC_WSEN
+ | AT91_SMC_NWS_(32) /* wait states */
+ | AT91_SMC_RWSETUP_(6) /* setup time */
+ | AT91_SMC_RWHOLD_(4) /* hold time */
);
/* must be a GPIO; ergo must trigger on both edges */
@@ -274,8 +284,7 @@ static int __init at91_cf_probe(struct device *dev)
if (status < 0)
goto fail0a;
cf->socket.pci_irq = board->irq_pin;
- }
- else
+ } else
cf->socket.pci_irq = NR_IRQS + 1;
/* pcmcia layer only remaps "real" memory not iospace */
@@ -284,7 +293,8 @@ static int __init at91_cf_probe(struct device *dev)
goto fail1;
/* reserve CS4, CS5, and CS6 regions; but use just CS4 */
- if (!request_mem_region(AT91_CF_BASE, CF_SIZE, driver_name))
+ if (!request_mem_region(io->start, io->end + 1 - io->start,
+ driver_name))
goto fail1;
pr_info("%s: irqs det #%d, io #%d\n", driver_name,
@@ -297,7 +307,7 @@ static int __init at91_cf_probe(struct device *dev)
cf->socket.features = SS_CAP_PCCARD | SS_CAP_STATIC_MAP
| SS_CAP_MEM_ALIGN;
cf->socket.map_size = SZ_2K;
- cf->socket.io[0].NumPorts = SZ_2K;
+ cf->socket.io[0].res = io;
status = pcmcia_register_socket(&cf->socket);
if (status < 0)
@@ -307,7 +317,7 @@ static int __init at91_cf_probe(struct device *dev)
fail2:
iounmap((void __iomem *) cf->socket.io_offset);
- release_mem_region(AT91_CF_BASE, CF_SIZE);
+ release_mem_region(io->start, io->end + 1 - io->start);
fail1:
if (board->irq_pin)
free_irq(board->irq_pin, cf);
@@ -321,14 +331,15 @@ fail0:
static int __exit at91_cf_remove(struct device *dev)
{
- struct at91_cf_socket *cf = dev_get_drvdata(dev);
- unsigned int csa;
+ struct at91_cf_socket *cf = dev_get_drvdata(dev);
+ struct resource *io = cf->socket.io[0].res;
+ unsigned int csa;
pcmcia_unregister_socket(&cf->socket);
free_irq(cf->board->irq_pin, cf);
free_irq(cf->board->det_pin, cf);
iounmap((void __iomem *) cf->socket.io_offset);
- release_mem_region(AT91_CF_BASE, CF_SIZE);
+ release_mem_region(io->start, io->end + 1 - io->start);
csa = at91_sys_read(AT91_EBI_CSA);
at91_sys_write(AT91_EBI_CSA, csa & ~AT91_EBI_CS4A);
@@ -342,8 +353,8 @@ static struct device_driver at91_cf_driver = {
.bus = &platform_bus_type,
.probe = at91_cf_probe,
.remove = __exit_p(at91_cf_remove),
- .suspend = pcmcia_socket_dev_suspend,
- .resume = pcmcia_socket_dev_resume,
+ .suspend = pcmcia_socket_dev_suspend,
+ .resume = pcmcia_socket_dev_resume,
};
/*--------------------------------------------------------------------------*/
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-01 13:02:27 +0000