diff options
Diffstat (limited to 'arch/arm/mach-at91')
| -rw-r--r-- | arch/arm/mach-at91/at91cap9_devices.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-at91/at91sam9260_devices.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-at91/at91sam9261_devices.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-at91/at91sam9263_devices.c | 107 | ||||
| -rw-r--r-- | arch/arm/mach-at91/at91sam9rl_devices.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-at91/gpio.c | 69 | ||||
| -rw-r--r-- | arch/arm/mach-at91/include/mach/board.h | 4 | ||||
| -rw-r--r-- | arch/arm/mach-at91/pm.c | 1 |
8 files changed, 179 insertions, 10 deletions
diff --git a/arch/arm/mach-at91/at91cap9_devices.c b/arch/arm/mach-at91/at91cap9_devices.c index 9eca220..412aa49 100644 --- a/arch/arm/mach-at91/at91cap9_devices.c +++ b/arch/arm/mach-at91/at91cap9_devices.c @@ -697,7 +697,7 @@ static void __init at91_add_device_rtt(void) * Watchdog * -------------------------------------------------------------------- */ -#if defined(CONFIG_AT91SAM9_WATCHDOG) || defined(CONFIG_AT91SAM9_WATCHDOG_MODULE) +#if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE) static struct platform_device at91cap9_wdt_device = { .name = "at91_wdt", .id = -1, diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c index fdde1ea..d74c9ac 100644 --- a/arch/arm/mach-at91/at91sam9260_devices.c +++ b/arch/arm/mach-at91/at91sam9260_devices.c @@ -643,7 +643,7 @@ static void __init at91_add_device_rtt(void) * Watchdog * -------------------------------------------------------------------- */ -#if defined(CONFIG_AT91SAM9_WATCHDOG) || defined(CONFIG_AT91SAM9_WATCHDOG_MODULE) +#if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE) static struct platform_device at91sam9260_wdt_device = { .name = "at91_wdt", .id = -1, diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c index 1728975..59fc483 100644 --- a/arch/arm/mach-at91/at91sam9261_devices.c +++ b/arch/arm/mach-at91/at91sam9261_devices.c @@ -621,7 +621,7 @@ static void __init at91_add_device_rtt(void) * Watchdog * -------------------------------------------------------------------- */ -#if defined(CONFIG_AT91SAM9_WATCHDOG) || defined(CONFIG_AT91SAM9_WATCHDOG_MODULE) +#if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE) static struct platform_device at91sam9261_wdt_device = { .name = "at91_wdt", .id = -1, diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c index b753cb8..b7f2332 100644 --- a/arch/arm/mach-at91/at91sam9263_devices.c +++ b/arch/arm/mach-at91/at91sam9263_devices.c @@ -347,6 +347,111 @@ void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {} #endif +/* -------------------------------------------------------------------- + * Compact Flash (PCMCIA or IDE) + * -------------------------------------------------------------------- */ + +#if defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE) || \ + defined(CONFIG_BLK_DEV_IDE_AT91) || defined(CONFIG_BLK_DEV_IDE_AT91_MODULE) + +static struct at91_cf_data cf0_data; + +static struct resource cf0_resources[] = { + [0] = { + .start = AT91_CHIPSELECT_4, + .end = AT91_CHIPSELECT_4 + SZ_256M - 1, + .flags = IORESOURCE_MEM | IORESOURCE_MEM_8AND16BIT, + } +}; + +static struct platform_device cf0_device = { + .id = 0, + .dev = { + .platform_data = &cf0_data, + }, + .resource = cf0_resources, + .num_resources = ARRAY_SIZE(cf0_resources), +}; + +static struct at91_cf_data cf1_data; + +static struct resource cf1_resources[] = { + [0] = { + .start = AT91_CHIPSELECT_5, + .end = AT91_CHIPSELECT_5 + SZ_256M - 1, + .flags = IORESOURCE_MEM | IORESOURCE_MEM_8AND16BIT, + } +}; + +static struct platform_device cf1_device = { + .id = 1, + .dev = { + .platform_data = &cf1_data, + }, + .resource = cf1_resources, + .num_resources = ARRAY_SIZE(cf1_resources), +}; + +void __init at91_add_device_cf(struct at91_cf_data *data) +{ + unsigned long ebi0_csa; + struct platform_device *pdev; + + if (!data) + return; + + /* + * assign CS4 or CS5 to SMC with Compact Flash logic support, + * we assume SMC timings are configured by board code, + * except True IDE where timings are controlled by driver + */ + ebi0_csa = at91_sys_read(AT91_MATRIX_EBI0CSA); + switch (data->chipselect) { + case 4: + at91_set_A_periph(AT91_PIN_PD6, 0); /* EBI0_NCS4/CFCS0 */ + ebi0_csa |= AT91_MATRIX_EBI0_CS4A_SMC_CF1; + cf0_data = *data; + pdev = &cf0_device; + break; + case 5: + at91_set_A_periph(AT91_PIN_PD7, 0); /* EBI0_NCS5/CFCS1 */ + ebi0_csa |= AT91_MATRIX_EBI0_CS5A_SMC_CF2; + cf1_data = *data; + pdev = &cf1_device; + break; + default: + printk(KERN_ERR "AT91 CF: bad chip-select requested (%u)\n", + data->chipselect); + return; + } + at91_sys_write(AT91_MATRIX_EBI0CSA, ebi0_csa); + + if (data->det_pin) { + at91_set_gpio_input(data->det_pin, 1); + at91_set_deglitch(data->det_pin, 1); + } + + if (data->irq_pin) { + at91_set_gpio_input(data->irq_pin, 1); + at91_set_deglitch(data->irq_pin, 1); + } + + if (data->vcc_pin) + /* initially off */ + at91_set_gpio_output(data->vcc_pin, 0); + + /* enable EBI controlled pins */ + at91_set_A_periph(AT91_PIN_PD5, 1); /* NWAIT */ + at91_set_A_periph(AT91_PIN_PD8, 0); /* CFCE1 */ + at91_set_A_periph(AT91_PIN_PD9, 0); /* CFCE2 */ + at91_set_A_periph(AT91_PIN_PD14, 0); /* CFNRW */ + + pdev->name = (data->flags & AT91_CF_TRUE_IDE) ? "at91_ide" : "at91_cf"; + platform_device_register(pdev); +} +#else +void __init at91_add_device_cf(struct at91_cf_data *data) {} +#endif /* -------------------------------------------------------------------- * NAND / SmartMedia @@ -854,7 +959,7 @@ static void __init at91_add_device_rtt(void) * Watchdog * -------------------------------------------------------------------- */ -#if defined(CONFIG_AT91SAM9_WATCHDOG) || defined(CONFIG_AT91SAM9_WATCHDOG_MODULE) +#if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE) static struct platform_device at91sam9263_wdt_device = { .name = "at91_wdt", .id = -1, diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c index 145324f..7281865 100644 --- a/arch/arm/mach-at91/at91sam9rl_devices.c +++ b/arch/arm/mach-at91/at91sam9rl_devices.c @@ -609,7 +609,7 @@ static void __init at91_add_device_rtt(void) * Watchdog * -------------------------------------------------------------------- */ -#if defined(CONFIG_AT91SAM9_WATCHDOG) || defined(CONFIG_AT91SAM9_WATCHDOG_MODULE) +#if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE) static struct platform_device at91sam9rl_wdt_device = { .name = "at91_wdt", .id = -1, diff --git a/arch/arm/mach-at91/gpio.c b/arch/arm/mach-at91/gpio.c index 028e4f7..f2236f0 100644 --- a/arch/arm/mach-at91/gpio.c +++ b/arch/arm/mach-at91/gpio.c @@ -437,7 +437,68 @@ static void gpio_irq_handler(unsigned irq, struct irq_desc *desc) /*--------------------------------------------------------------------------*/ -/* This lock class tells lockdep that GPIO irqs are in a different +#ifdef CONFIG_DEBUG_FS + +static int at91_gpio_show(struct seq_file *s, void *unused) +{ + int bank, j; + + /* print heading */ + seq_printf(s, "Pin\t"); + for (bank = 0; bank < gpio_banks; bank++) { + seq_printf(s, "PIO%c\t", 'A' + bank); + }; + seq_printf(s, "\n\n"); + + /* print pin status */ + for (j = 0; j < 32; j++) { + seq_printf(s, "%i:\t", j); + + for (bank = 0; bank < gpio_banks; bank++) { + unsigned pin = PIN_BASE + (32 * bank) + j; + void __iomem *pio = pin_to_controller(pin); + unsigned mask = pin_to_mask(pin); + + if (__raw_readl(pio + PIO_PSR) & mask) + seq_printf(s, "GPIO:%s", __raw_readl(pio + PIO_PDSR) & mask ? "1" : "0"); + else + seq_printf(s, "%s", __raw_readl(pio + PIO_ABSR) & mask ? "B" : "A"); + + seq_printf(s, "\t"); + } + + seq_printf(s, "\n"); + } + + return 0; +} + +static int at91_gpio_open(struct inode *inode, struct file *file) +{ + return single_open(file, at91_gpio_show, NULL); +} + +static const struct file_operations at91_gpio_operations = { + .open = at91_gpio_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static int __init at91_gpio_debugfs_init(void) +{ + /* /sys/kernel/debug/at91_gpio */ + (void) debugfs_create_file("at91_gpio", S_IFREG | S_IRUGO, NULL, NULL, &at91_gpio_operations); + return 0; +} +postcore_initcall(at91_gpio_debugfs_init); + +#endif + +/*--------------------------------------------------------------------------*/ + +/* + * This lock class tells lockdep that GPIO irqs are in a different * category than their parents, so it won't report false recursion. */ static struct lock_class_key gpio_lock_class; @@ -456,9 +517,6 @@ void __init at91_gpio_irq_setup(void) unsigned id = this->bank->id; unsigned i; - /* enable PIO controller's clock */ - clk_enable(this->bank->clock); - __raw_writel(~0, this->regbase + PIO_IDR); for (i = 0, pin = this->chip.base; i < 32; i++, pin++) { @@ -589,6 +647,9 @@ void __init at91_gpio_init(struct at91_gpio_bank *data, int nr_banks) at91_gpio->regbase = at91_gpio->bank->offset + (void __iomem *)AT91_VA_BASE_SYS; + /* enable PIO controller's clock */ + clk_enable(at91_gpio->bank->clock); + /* AT91SAM9263_ID_PIOCDE groups PIOC, PIOD, PIOE */ if (last && last->bank->id == at91_gpio->bank->id) last->next = at91_gpio; diff --git a/arch/arm/mach-at91/include/mach/board.h b/arch/arm/mach-at91/include/mach/board.h index fb51f0e..793fe7b 100644 --- a/arch/arm/mach-at91/include/mach/board.h +++ b/arch/arm/mach-at91/include/mach/board.h @@ -56,6 +56,9 @@ struct at91_cf_data { u8 vcc_pin; /* power switching */ u8 rst_pin; /* card reset */ u8 chipselect; /* EBI Chip Select number */ + u8 flags; +#define AT91_CF_TRUE_IDE 0x01 +#define AT91_IDE_SWAP_A0_A2 0x02 }; extern void __init at91_add_device_cf(struct at91_cf_data *data); @@ -93,6 +96,7 @@ struct atmel_nand_data { u8 enable_pin; /* chip enable */ u8 det_pin; /* card detect */ u8 rdy_pin; /* ready/busy */ + u8 rdy_pin_active_low; /* rdy_pin value is inverted */ u8 ale; /* address line number connected to ALE */ u8 cle; /* address line number connected to CLE */ u8 bus_width_16; /* buswidth is 16 bit */ diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c index 9bb4f04..7ac812d 100644 --- a/arch/arm/mach-at91/pm.c +++ b/arch/arm/mach-at91/pm.c @@ -332,7 +332,6 @@ static int at91_pm_enter(suspend_state_t state) at91_sys_read(AT91_AIC_IPR) & at91_sys_read(AT91_AIC_IMR)); error: - sdram_selfrefresh_disable(); target_state = PM_SUSPEND_ON; at91_irq_resume(); at91_gpio_resume(); |
