diff options
author | Richard Purdie <rpurdie@rpsys.net> | 2005-11-08 19:15:43 (GMT) |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2005-11-08 19:15:43 (GMT) |
commit | a63ae4427c6af66d6eda26e5da8fed53f8fbede3 (patch) | |
tree | cb30bd5993c07bae7f66564713292d8b224d591f /drivers/pcmcia/pxa2xx_sharpsl.c | |
parent | 1d23b65de54c35844e82bdb08bc85d8142e310ea (diff) | |
download | linux-fsl-qoriq-a63ae4427c6af66d6eda26e5da8fed53f8fbede3.tar.xz |
[ARM] 3093/1: SharpSL PCMCIA Updates for Cxx00 models
Patch from Richard Purdie
The Sharp SL-Cxx00 models have a combined power control for the SD
and CF slot 0. This patch adds hooks to the scoop driver to allow
machines to provide a custom control function for this and such a
function is added for spitz/akita/borzoi.
It also moves the gpio init code into the machine files as this
is machine dependent and differs between some models. A couple of
warnings when compiling for collie are also fixed.
Signed-off-by: Richard Purdie
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/pcmcia/pxa2xx_sharpsl.c')
-rw-r--r-- | drivers/pcmcia/pxa2xx_sharpsl.c | 140 |
1 files changed, 68 insertions, 72 deletions
diff --git a/drivers/pcmcia/pxa2xx_sharpsl.c b/drivers/pcmcia/pxa2xx_sharpsl.c index fe5ea36..56c5883 100644 --- a/drivers/pcmcia/pxa2xx_sharpsl.c +++ b/drivers/pcmcia/pxa2xx_sharpsl.c @@ -22,16 +22,20 @@ #include <asm/hardware.h> #include <asm/irq.h> #include <asm/hardware/scoop.h> -#ifdef CONFIG_SA1100_COLLIE -#include <asm/arch-sa1100/collie.h> -#else -#include <asm/arch-pxa/pxa-regs.h> -#endif #include "soc_common.h" #define NO_KEEP_VS 0x0001 +/* PCMCIA to Scoop linkage + + There is no easy way to link multiple scoop devices into one + single entity for the pxa2xx_pcmcia device so this structure + is used which is setup by the platform code +*/ +struct scoop_pcmcia_config *platform_scoop_config; +#define SCOOP_DEV platform_scoop_config->devs + static void sharpsl_pcmcia_init_reset(struct scoop_pcmcia_dev *scoopdev) { reset_scoop(scoopdev->dev); @@ -43,38 +47,16 @@ static int sharpsl_pcmcia_hw_init(struct soc_pcmcia_socket *skt) { int ret; -#ifndef CONFIG_SA1100_COLLIE - /* - * Setup default state of GPIO outputs - * before we enable them as outputs. - */ - GPSR(GPIO48_nPOE) = - GPIO_bit(GPIO48_nPOE) | - GPIO_bit(GPIO49_nPWE) | - GPIO_bit(GPIO50_nPIOR) | - GPIO_bit(GPIO51_nPIOW) | - GPIO_bit(GPIO52_nPCE_1) | - GPIO_bit(GPIO53_nPCE_2); - - pxa_gpio_mode(GPIO48_nPOE_MD); - pxa_gpio_mode(GPIO49_nPWE_MD); - pxa_gpio_mode(GPIO50_nPIOR_MD); - pxa_gpio_mode(GPIO51_nPIOW_MD); - pxa_gpio_mode(GPIO52_nPCE_1_MD); - pxa_gpio_mode(GPIO53_nPCE_2_MD); - pxa_gpio_mode(GPIO54_pSKTSEL_MD); - pxa_gpio_mode(GPIO55_nPREG_MD); - pxa_gpio_mode(GPIO56_nPWAIT_MD); - pxa_gpio_mode(GPIO57_nIOIS16_MD); -#endif + if (platform_scoop_config->pcmcia_init) + platform_scoop_config->pcmcia_init(); /* Register interrupts */ - if (scoop_devs[skt->nr].cd_irq >= 0) { + if (SCOOP_DEV[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; + cd_irq.irq = SCOOP_DEV[skt->nr].cd_irq; + cd_irq.str = SCOOP_DEV[skt->nr].cd_irq_str; ret = soc_pcmcia_request_irqs(skt, &cd_irq, 1); if (ret) { @@ -83,19 +65,19 @@ static int sharpsl_pcmcia_hw_init(struct soc_pcmcia_socket *skt) } } - skt->irq = scoop_devs[skt->nr].irq; + skt->irq = SCOOP_DEV[skt->nr].irq; return 0; } static void sharpsl_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) { - if (scoop_devs[skt->nr].cd_irq >= 0) { + if (SCOOP_DEV[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; + cd_irq.irq = SCOOP_DEV[skt->nr].cd_irq; + cd_irq.str = SCOOP_DEV[skt->nr].cd_irq_str; soc_pcmcia_free_irqs(skt, &cd_irq, 1); } } @@ -105,9 +87,9 @@ 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; + struct device *scoop = SCOOP_DEV[skt->nr].dev; - cpr = read_scoop_reg(scoop_devs[skt->nr].dev, SCOOP_CPR); + cpr = read_scoop_reg(SCOOP_DEV[skt->nr].dev, SCOOP_CPR); write_scoop_reg(scoop, SCOOP_IRM, 0x00FF); write_scoop_reg(scoop, SCOOP_ISR, 0x0000); @@ -116,21 +98,25 @@ static void sharpsl_pcmcia_socket_state(struct soc_pcmcia_socket *skt, if (csr & 0x0004) { /* card eject */ write_scoop_reg(scoop, SCOOP_CDR, 0x0000); - scoop_devs[skt->nr].keep_vs = NO_KEEP_VS; + SCOOP_DEV[skt->nr].keep_vs = NO_KEEP_VS; } - else if (!(scoop_devs[skt->nr].keep_vs & NO_KEEP_VS)) { + else if (!(SCOOP_DEV[skt->nr].keep_vs & NO_KEEP_VS)) { /* keep vs1,vs2 */ write_scoop_reg(scoop, SCOOP_CDR, 0x0000); - csr |= scoop_devs[skt->nr].keep_vs; + csr |= SCOOP_DEV[skt->nr].keep_vs; } else if (cpr & 0x0003) { /* power on */ write_scoop_reg(scoop, SCOOP_CDR, 0x0000); - scoop_devs[skt->nr].keep_vs = (csr & 0x00C0); + SCOOP_DEV[skt->nr].keep_vs = (csr & 0x00C0); } else { /* card detect */ - write_scoop_reg(scoop, SCOOP_CDR, 0x0002); + if ((machine_is_spitz() || machine_is_borzoi()) && skt->nr == 1) { + write_scoop_reg(scoop, SCOOP_CDR, 0x0000); + } else { + write_scoop_reg(scoop, SCOOP_CDR, 0x0002); + } } state->detect = (csr & 0x0004) ? 0 : 1; @@ -144,7 +130,6 @@ static void sharpsl_pcmcia_socket_state(struct soc_pcmcia_socket *skt, if ((cpr & 0x0080) && ((cpr & 0x8040) != 0x8040)) { printk(KERN_ERR "sharpsl_pcmcia_socket_state(): CPR=%04X, Low voltage!\n", cpr); } - } @@ -152,7 +137,7 @@ 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; + struct device *scoop = SCOOP_DEV[skt->nr].dev; unsigned short cpr, ncpr, ccr, nccr, mcr, nmcr, imr, nimr; @@ -177,8 +162,13 @@ static int sharpsl_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, 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; + if ((machine_is_spitz() || machine_is_borzoi() || machine_is_akita()) && skt->nr == 0) { + ncpr |= (state->Vcc == 33) ? 0x0002 : + (state->Vcc == 50) ? 0x0002 : 0; + } else { + ncpr |= (state->Vcc == 33) ? 0x0001 : + (state->Vcc == 50) ? 0x0002 : 0; + } nmcr |= (state->flags&SS_IOCARD) ? 0x0010 : 0; ncpr |= (state->flags&SS_OUTPUT_ENA) ? 0x0080 : 0; nccr |= (state->flags&SS_RESET)? 0x0080: 0; @@ -190,18 +180,22 @@ static int sharpsl_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, ((skt->status&SS_WRPROT) ? 0x0008 : 0); if (!(ncpr & 0x0003)) { - scoop_devs[skt->nr].keep_rd = 0; - } else if (!scoop_devs[skt->nr].keep_rd) { + SCOOP_DEV[skt->nr].keep_rd = 0; + } else if (!SCOOP_DEV[skt->nr].keep_rd) { if (nccr & 0x0080) - scoop_devs[skt->nr].keep_rd = 1; + SCOOP_DEV[skt->nr].keep_rd = 1; else nccr |= 0x0080; } if (mcr != nmcr) write_scoop_reg(scoop, SCOOP_MCR, nmcr); - if (cpr != ncpr) - write_scoop_reg(scoop, SCOOP_CPR, ncpr); + if (cpr != ncpr) { + if (platform_scoop_config->power_ctrl) + platform_scoop_config->power_ctrl(scoop, ncpr , skt->nr); + else + write_scoop_reg(scoop, SCOOP_CPR, ncpr); + } if (ccr != nccr) write_scoop_reg(scoop, SCOOP_CCR, nccr); if (imr != nimr) @@ -214,43 +208,43 @@ 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]); + sharpsl_pcmcia_init_reset(&SCOOP_DEV[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; + write_scoop_reg(SCOOP_DEV[skt->nr].dev, SCOOP_IMR, 0x00C0); + write_scoop_reg(SCOOP_DEV[skt->nr].dev, SCOOP_MCR, 0x0101); + SCOOP_DEV[skt->nr].keep_vs = NO_KEEP_VS; if (machine_is_collie()) /* We need to disable SS_OUTPUT_ENA here. */ - write_scoop_reg(scoop_devs[skt->nr].dev, SCOOP_CPR, read_scoop_reg(scoop_devs[skt->nr].dev, SCOOP_CPR) & ~0x0080); + write_scoop_reg(SCOOP_DEV[skt->nr].dev, SCOOP_CPR, read_scoop_reg(SCOOP_DEV[skt->nr].dev, SCOOP_CPR) & ~0x0080); } static void sharpsl_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) { /* CF_BUS_OFF */ - sharpsl_pcmcia_init_reset(&scoop_devs[skt->nr]); + sharpsl_pcmcia_init_reset(&SCOOP_DEV[skt->nr]); if (machine_is_collie()) /* We need to disable SS_OUTPUT_ENA here. */ - write_scoop_reg(scoop_devs[skt->nr].dev, SCOOP_CPR, read_scoop_reg(scoop_devs[skt->nr].dev, SCOOP_CPR) & ~0x0080); + write_scoop_reg(SCOOP_DEV[skt->nr].dev, SCOOP_CPR, read_scoop_reg(SCOOP_DEV[skt->nr].dev, SCOOP_CPR) & ~0x0080); } static struct pcmcia_low_level sharpsl_pcmcia_ops = { - .owner = THIS_MODULE, - .hw_init = sharpsl_pcmcia_hw_init, - .hw_shutdown = sharpsl_pcmcia_hw_shutdown, - .socket_state = sharpsl_pcmcia_socket_state, - .configure_socket = sharpsl_pcmcia_configure_socket, - .socket_init = sharpsl_pcmcia_socket_init, - .socket_suspend = sharpsl_pcmcia_socket_suspend, - .first = 0, - .nr = 0, + .owner = THIS_MODULE, + .hw_init = sharpsl_pcmcia_hw_init, + .hw_shutdown = sharpsl_pcmcia_hw_shutdown, + .socket_state = sharpsl_pcmcia_socket_state, + .configure_socket = sharpsl_pcmcia_configure_socket, + .socket_init = sharpsl_pcmcia_socket_init, + .socket_suspend = sharpsl_pcmcia_socket_suspend, + .first = 0, + .nr = 0, }; -static struct platform_device *sharpsl_pcmcia_device; - #ifdef CONFIG_SA1100_COLLIE +#include "sa11xx_base.h" + int __init pcmcia_collie_init(struct device *dev) { int ret = -ENODEV; @@ -263,11 +257,13 @@ int __init pcmcia_collie_init(struct device *dev) #else +static struct platform_device *sharpsl_pcmcia_device; + static int __init sharpsl_pcmcia_init(void) { int ret; - sharpsl_pcmcia_ops.nr=scoop_num; + sharpsl_pcmcia_ops.nr=platform_scoop_config->num_devs; sharpsl_pcmcia_device = kmalloc(sizeof(*sharpsl_pcmcia_device), GFP_KERNEL); if (!sharpsl_pcmcia_device) return -ENOMEM; @@ -275,7 +271,7 @@ static int __init sharpsl_pcmcia_init(void) 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; + sharpsl_pcmcia_device->dev.parent=platform_scoop_config->devs[0].dev; ret = platform_device_register(sharpsl_pcmcia_device); if (ret) |