diff options
| -rw-r--r-- | arch/arm/common/scoop.c | 6 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/corgi.c | 12 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/poodle.c | 12 | ||||
| -rw-r--r-- | drivers/pcmcia/pxa2xx_sharpsl.c | 114 | ||||
| -rw-r--r-- | include/asm-arm/hardware/scoop.h | 13 |
5 files changed, 105 insertions, 52 deletions
diff --git a/arch/arm/common/scoop.c b/arch/arm/common/scoop.c index cfd0d3e..688a595 100644 --- a/arch/arm/common/scoop.c +++ b/arch/arm/common/scoop.c @@ -17,6 +17,12 @@ #define SCOOP_REG(d,adr) (*(volatile unsigned short*)(d +(adr))) +/* PCMCIA to Scoop linkage structures for pxa2xx_sharpsl.c + There is no easy way to link multiple scoop devices into one + single entity for the pxa2xx_pcmcia device */ +int scoop_num; +struct scoop_pcmcia_dev *scoop_devs; + struct scoop_dev { void *base; spinlock_t scoop_lock; diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c index 86b862f..06ea730 100644 --- a/arch/arm/mach-pxa/corgi.c +++ b/arch/arm/mach-pxa/corgi.c @@ -60,6 +60,15 @@ static struct scoop_config corgi_scoop_setup = { .io_out = CORGI_SCOOP_IO_OUT, }; +static struct scoop_pcmcia_dev corgi_pcmcia_scoop[] = { +{ + .dev = &corgiscoop_device.dev, + .irq = CORGI_IRQ_GPIO_CF_IRQ, + .cd_irq = CORGI_IRQ_GPIO_CF_CD, + .cd_irq_str = "PCMCIA0 CD", +}, +}; + struct platform_device corgiscoop_device = { .name = "sharp-scoop", .id = -1, @@ -241,6 +250,9 @@ static void __init corgi_init(void) pxa_set_udc_info(&udc_info); pxa_set_mci_info(&corgi_mci_platform_data); + scoop_num = 1; + scoop_devs = &corgi_pcmcia_scoop[0]; + platform_add_devices(devices, ARRAY_SIZE(devices)); } diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c index 0e4f6fa..47cfb8b 100644 --- a/arch/arm/mach-pxa/poodle.c +++ b/arch/arm/mach-pxa/poodle.c @@ -62,6 +62,15 @@ struct platform_device poodle_scoop_device = { .resource = poodle_scoop_resources, }; +static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = { +{ + .dev = &poodle_scoop_device.dev, + .irq = POODLE_IRQ_GPIO_CF_IRQ, + .cd_irq = POODLE_IRQ_GPIO_CF_CD, + .cd_irq_str = "PCMCIA0 CD", +}, +}; + /* LoCoMo device */ static struct resource locomo_resources[] = { @@ -147,6 +156,9 @@ static void __init poodle_init(void) set_pxa_fb_info(&poodle_fb_info); + scoop_num = 1; + scoop_devs = &poodle_pcmcia_scoop[0]; + ret = platform_add_devices(devices, ARRAY_SIZE(devices)); if (ret) { printk(KERN_WARNING "poodle: Unable to register LoCoMo device\n"); diff --git a/drivers/pcmcia/pxa2xx_sharpsl.c b/drivers/pcmcia/pxa2xx_sharpsl.c index 7bac2f7..a1178a6 100644 --- a/drivers/pcmcia/pxa2xx_sharpsl.c +++ b/drivers/pcmcia/pxa2xx_sharpsl.c @@ -20,27 +20,18 @@ #include <asm/hardware.h> #include <asm/irq.h> - #include <asm/hardware/scoop.h> -#include <asm/arch/corgi.h> #include <asm/arch/pxa-regs.h> #include "soc_common.h" #define NO_KEEP_VS 0x0001 -static unsigned char keep_vs; -static unsigned char keep_rd; - -static struct pcmcia_irqs irqs[] = { - { 0, CORGI_IRQ_GPIO_CF_CD, "PCMCIA0 CD"}, -}; - -static void sharpsl_pcmcia_init_reset(void) +static void sharpsl_pcmcia_init_reset(struct scoop_pcmcia_dev *scoopdev) { - reset_scoop(&corgiscoop_device.dev); - keep_vs = NO_KEEP_VS; - keep_rd = 0; + reset_scoop(scoopdev->dev); + scoopdev->keep_vs = NO_KEEP_VS; + scoopdev->keep_rd = 0; } static int sharpsl_pcmcia_hw_init(struct soc_pcmcia_socket *skt) @@ -71,29 +62,35 @@ static int sharpsl_pcmcia_hw_init(struct soc_pcmcia_socket *skt) pxa_gpio_mode(GPIO57_nIOIS16_MD); /* Register interrupts */ - ret = soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs)); - - if (ret) { - printk(KERN_ERR "Request for Compact Flash IRQ failed\n"); - return ret; + if (scoop_devs[skt->nr].cd_irq >= 0) { + struct pcmcia_irqs cd_irq; + + cd_irq.sock = skt->nr; + cd_irq.irq = scoop_devs[skt->nr].cd_irq; + cd_irq.str = scoop_devs[skt->nr].cd_irq_str; + ret = soc_pcmcia_request_irqs(skt, &cd_irq, 1); + + if (ret) { + printk(KERN_ERR "Request for Compact Flash IRQ failed\n"); + return ret; + } } - /* Enable interrupt */ - write_scoop_reg(&corgiscoop_device.dev, SCOOP_IMR, 0x00C0); - write_scoop_reg(&corgiscoop_device.dev, SCOOP_MCR, 0x0101); - keep_vs = NO_KEEP_VS; - - skt->irq = CORGI_IRQ_GPIO_CF_IRQ; + skt->irq = scoop_devs[skt->nr].irq; return 0; } static void sharpsl_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) { - soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs)); + if (scoop_devs[skt->nr].cd_irq >= 0) { + struct pcmcia_irqs cd_irq; - /* CF_BUS_OFF */ - sharpsl_pcmcia_init_reset(); + cd_irq.sock = skt->nr; + cd_irq.irq = scoop_devs[skt->nr].cd_irq; + cd_irq.str = scoop_devs[skt->nr].cd_irq_str; + soc_pcmcia_free_irqs(skt, &cd_irq, 1); + } } @@ -101,31 +98,32 @@ static void sharpsl_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state) { unsigned short cpr, csr; + struct device *scoop = scoop_devs[skt->nr].dev; - cpr = read_scoop_reg(&corgiscoop_device.dev, SCOOP_CPR); + cpr = read_scoop_reg(scoop_devs[skt->nr].dev, SCOOP_CPR); - write_scoop_reg(&corgiscoop_device.dev, SCOOP_IRM, 0x00FF); - write_scoop_reg(&corgiscoop_device.dev, SCOOP_ISR, 0x0000); - write_scoop_reg(&corgiscoop_device.dev, SCOOP_IRM, 0x0000); - csr = read_scoop_reg(&corgiscoop_device.dev, SCOOP_CSR); + write_scoop_reg(scoop, SCOOP_IRM, 0x00FF); + write_scoop_reg(scoop, SCOOP_ISR, 0x0000); + write_scoop_reg(scoop, SCOOP_IRM, 0x0000); + csr = read_scoop_reg(scoop, SCOOP_CSR); if (csr & 0x0004) { /* card eject */ - write_scoop_reg(&corgiscoop_device.dev, SCOOP_CDR, 0x0000); - keep_vs = NO_KEEP_VS; + write_scoop_reg(scoop, SCOOP_CDR, 0x0000); + scoop_devs[skt->nr].keep_vs = NO_KEEP_VS; } - else if (!(keep_vs & NO_KEEP_VS)) { + else if (!(scoop_devs[skt->nr].keep_vs & NO_KEEP_VS)) { /* keep vs1,vs2 */ - write_scoop_reg(&corgiscoop_device.dev, SCOOP_CDR, 0x0000); - csr |= keep_vs; + write_scoop_reg(scoop, SCOOP_CDR, 0x0000); + csr |= scoop_devs[skt->nr].keep_vs; } else if (cpr & 0x0003) { /* power on */ - write_scoop_reg(&corgiscoop_device.dev, SCOOP_CDR, 0x0000); - keep_vs = (csr & 0x00C0); + write_scoop_reg(scoop, SCOOP_CDR, 0x0000); + scoop_devs[skt->nr].keep_vs = (csr & 0x00C0); } else { /* card detect */ - write_scoop_reg(&corgiscoop_device.dev, SCOOP_CDR, 0x0002); + write_scoop_reg(scoop, SCOOP_CDR, 0x0002); } state->detect = (csr & 0x0004) ? 0 : 1; @@ -147,6 +145,7 @@ static int sharpsl_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, const socket_state_t *state) { unsigned long flags; + struct device *scoop = scoop_devs[skt->nr].dev; unsigned short cpr, ncpr, ccr, nccr, mcr, nmcr, imr, nimr; @@ -166,10 +165,10 @@ static int sharpsl_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, local_irq_save(flags); - nmcr = (mcr = read_scoop_reg(&corgiscoop_device.dev, SCOOP_MCR)) & ~0x0010; - ncpr = (cpr = read_scoop_reg(&corgiscoop_device.dev, SCOOP_CPR)) & ~0x0083; - nccr = (ccr = read_scoop_reg(&corgiscoop_device.dev, SCOOP_CCR)) & ~0x0080; - nimr = (imr = read_scoop_reg(&corgiscoop_device.dev, SCOOP_IMR)) & ~0x003E; + nmcr = (mcr = read_scoop_reg(scoop, SCOOP_MCR)) & ~0x0010; + ncpr = (cpr = read_scoop_reg(scoop, SCOOP_CPR)) & ~0x0083; + nccr = (ccr = read_scoop_reg(scoop, SCOOP_CCR)) & ~0x0080; + nimr = (imr = read_scoop_reg(scoop, SCOOP_IMR)) & ~0x003E; ncpr |= (state->Vcc == 33) ? 0x0001 : (state->Vcc == 50) ? 0x0002 : 0; @@ -184,22 +183,22 @@ static int sharpsl_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, ((skt->status&SS_WRPROT) ? 0x0008 : 0); if (!(ncpr & 0x0003)) { - keep_rd = 0; - } else if (!keep_rd) { + scoop_devs[skt->nr].keep_rd = 0; + } else if (!scoop_devs[skt->nr].keep_rd) { if (nccr & 0x0080) - keep_rd = 1; + scoop_devs[skt->nr].keep_rd = 1; else nccr |= 0x0080; } if (mcr != nmcr) - write_scoop_reg(&corgiscoop_device.dev, SCOOP_MCR, nmcr); + write_scoop_reg(scoop, SCOOP_MCR, nmcr); if (cpr != ncpr) - write_scoop_reg(&corgiscoop_device.dev, SCOOP_CPR, ncpr); + write_scoop_reg(scoop, SCOOP_CPR, ncpr); if (ccr != nccr) - write_scoop_reg(&corgiscoop_device.dev, SCOOP_CCR, nccr); + write_scoop_reg(scoop, SCOOP_CCR, nccr); if (imr != nimr) - write_scoop_reg(&corgiscoop_device.dev, SCOOP_IMR, nimr); + write_scoop_reg(scoop, SCOOP_IMR, nimr); local_irq_restore(flags); @@ -208,10 +207,18 @@ static int sharpsl_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, static void sharpsl_pcmcia_socket_init(struct soc_pcmcia_socket *skt) { + sharpsl_pcmcia_init_reset(&scoop_devs[skt->nr]); + + /* Enable interrupt */ + write_scoop_reg(scoop_devs[skt->nr].dev, SCOOP_IMR, 0x00C0); + write_scoop_reg(scoop_devs[skt->nr].dev, SCOOP_MCR, 0x0101); + scoop_devs[skt->nr].keep_vs = NO_KEEP_VS; } static void sharpsl_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) { + /* CF_BUS_OFF */ + sharpsl_pcmcia_init_reset(&scoop_devs[skt->nr]); } static struct pcmcia_low_level sharpsl_pcmcia_ops = { @@ -223,7 +230,7 @@ static struct pcmcia_low_level sharpsl_pcmcia_ops = { .socket_init = sharpsl_pcmcia_socket_init, .socket_suspend = sharpsl_pcmcia_socket_suspend, .first = 0, - .nr = 1, + .nr = 0, }; static struct platform_device *sharpsl_pcmcia_device; @@ -232,12 +239,15 @@ static int __init sharpsl_pcmcia_init(void) { int ret; + sharpsl_pcmcia_ops.nr=scoop_num; sharpsl_pcmcia_device = kmalloc(sizeof(*sharpsl_pcmcia_device), GFP_KERNEL); if (!sharpsl_pcmcia_device) return -ENOMEM; + memset(sharpsl_pcmcia_device, 0, sizeof(*sharpsl_pcmcia_device)); sharpsl_pcmcia_device->name = "pxa2xx-pcmcia"; sharpsl_pcmcia_device->dev.platform_data = &sharpsl_pcmcia_ops; + sharpsl_pcmcia_device->dev.parent=scoop_devs[0].dev; ret = platform_device_register(sharpsl_pcmcia_device); if (ret) diff --git a/include/asm-arm/hardware/scoop.h b/include/asm-arm/hardware/scoop.h index 7ea771f..527404b 100644 --- a/include/asm-arm/hardware/scoop.h +++ b/include/asm-arm/hardware/scoop.h @@ -40,6 +40,19 @@ struct scoop_config { unsigned short io_dir; }; +/* Structure for linking scoop devices to PCMCIA sockets */ +struct scoop_pcmcia_dev { + struct device *dev; /* Pointer to this socket's scoop device */ + int irq; /* irq for socket */ + int cd_irq; + const char *cd_irq_str; + unsigned char keep_vs; + unsigned char keep_rd; +}; + +extern int scoop_num; +extern struct scoop_pcmcia_dev *scoop_devs; + void reset_scoop(struct device *dev); unsigned short set_scoop_gpio(struct device *dev, unsigned short bit); unsigned short reset_scoop_gpio(struct device *dev, unsigned short bit); |