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-rw-r--r--drivers/amba/bus.c2
-rw-r--r--drivers/gpio/tc35892-gpio.c8
-rw-r--r--drivers/input/keyboard/Kconfig2
-rw-r--r--drivers/input/keyboard/pxa27x_keypad.c12
-rw-r--r--drivers/leds/Kconfig11
-rw-r--r--drivers/leds/Makefile1
-rw-r--r--drivers/leds/leds-netxbig.c449
-rw-r--r--drivers/leds/leds-ns2.c9
-rw-r--r--drivers/mmc/host/mmci.c62
-rw-r--r--drivers/mmc/host/mmci.h22
-rw-r--r--drivers/net/Kconfig5
-rw-r--r--drivers/serial/Kconfig7
-rw-r--r--drivers/serial/samsung.c2
-rw-r--r--drivers/spi/Kconfig16
-rw-r--r--drivers/spi/spi_imx.c402
-rw-r--r--drivers/usb/host/ohci-pxa27x.c7
-rw-r--r--drivers/video/pxa168fb.c47
17 files changed, 965 insertions, 99 deletions
diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c
index d31590e7011..2737b975220 100644
--- a/drivers/amba/bus.c
+++ b/drivers/amba/bus.c
@@ -298,7 +298,7 @@ int amba_device_register(struct amba_device *dev, struct resource *parent)
amba_put_disable_pclk(dev);
- if (cid == 0xb105f00d)
+ if (cid == AMBA_CID)
dev->periphid = pid;
if (!dev->periphid)
diff --git a/drivers/gpio/tc35892-gpio.c b/drivers/gpio/tc35892-gpio.c
index 1be6288780d..7e10c935a04 100644
--- a/drivers/gpio/tc35892-gpio.c
+++ b/drivers/gpio/tc35892-gpio.c
@@ -322,6 +322,9 @@ static int __devinit tc35892_gpio_probe(struct platform_device *pdev)
goto out_freeirq;
}
+ if (pdata->setup)
+ pdata->setup(tc35892, tc35892_gpio->chip.base);
+
platform_set_drvdata(pdev, tc35892_gpio);
return 0;
@@ -338,9 +341,14 @@ out_free:
static int __devexit tc35892_gpio_remove(struct platform_device *pdev)
{
struct tc35892_gpio *tc35892_gpio = platform_get_drvdata(pdev);
+ struct tc35892 *tc35892 = tc35892_gpio->tc35892;
+ struct tc35892_gpio_platform_data *pdata = tc35892->pdata->gpio;
int irq = platform_get_irq(pdev, 0);
int ret;
+ if (pdata->remove)
+ pdata->remove(tc35892, tc35892_gpio->chip.base);
+
ret = gpiochip_remove(&tc35892_gpio->chip);
if (ret < 0) {
dev_err(tc35892_gpio->dev,
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index 9cc488d2149..aa037fec2f8 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -338,7 +338,7 @@ config KEYBOARD_OPENCORES
config KEYBOARD_PXA27x
tristate "PXA27x/PXA3xx keypad support"
- depends on PXA27x || PXA3xx
+ depends on PXA27x || PXA3xx || ARCH_MMP
help
Enable support for PXA27x/PXA3xx keypad controller.
diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c
index f32404f9918..4b0ec35259a 100644
--- a/drivers/input/keyboard/pxa27x_keypad.c
+++ b/drivers/input/keyboard/pxa27x_keypad.c
@@ -32,7 +32,7 @@
#include <asm/mach/map.h>
#include <mach/hardware.h>
-#include <mach/pxa27x_keypad.h>
+#include <plat/pxa27x_keypad.h>
/*
* Keypad Controller registers
*/
@@ -330,11 +330,21 @@ static void pxa27x_keypad_scan_direct(struct pxa27x_keypad *keypad)
keypad->direct_key_state = new_state;
}
+static void clear_wakeup_event(struct pxa27x_keypad *keypad)
+{
+ struct pxa27x_keypad_platform_data *pdata = keypad->pdata;
+
+ if (pdata->clear_wakeup_event)
+ (pdata->clear_wakeup_event)();
+}
+
static irqreturn_t pxa27x_keypad_irq_handler(int irq, void *dev_id)
{
struct pxa27x_keypad *keypad = dev_id;
unsigned long kpc = keypad_readl(KPC);
+ clear_wakeup_event(keypad);
+
if (kpc & KPC_DI)
pxa27x_keypad_scan_direct(keypad);
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index e4112622e5a..cc2a88d5192 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -304,13 +304,22 @@ config LEDS_MC13783
config LEDS_NS2
tristate "LED support for Network Space v2 GPIO LEDs"
- depends on MACH_NETSPACE_V2 || MACH_INETSPACE_V2 || MACH_NETSPACE_MAX_V2
+ depends on MACH_NETSPACE_V2 || MACH_INETSPACE_V2 || MACH_NETSPACE_MAX_V2 || D2NET_V2
default y
help
This option enable support for the dual-GPIO LED found on the
Network Space v2 board (and parents). This include Internet Space v2,
Network Space (Max) v2 and d2 Network v2 boards.
+config LEDS_NETXBIG
+ tristate "LED support for Big Network series LEDs"
+ depends on MACH_NET2BIG_V2 || MACH_NET5BIG_V2
+ default y
+ help
+ This option enable support for LEDs found on the LaCie 2Big
+ and 5Big Network v2 boards. The LEDs are wired to a CPLD and are
+ controlled through a GPIO extension bus.
+
config LEDS_TRIGGERS
bool "LED Trigger support"
help
diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
index 7d6b95831f8..9c96db40ef6 100644
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -38,6 +38,7 @@ obj-$(CONFIG_LEDS_ADP5520) += leds-adp5520.o
obj-$(CONFIG_LEDS_DELL_NETBOOKS) += dell-led.o
obj-$(CONFIG_LEDS_MC13783) += leds-mc13783.o
obj-$(CONFIG_LEDS_NS2) += leds-ns2.o
+obj-$(CONFIG_LEDS_NETXBIG) += leds-netxbig.o
# LED SPI Drivers
obj-$(CONFIG_LEDS_DAC124S085) += leds-dac124s085.o
diff --git a/drivers/leds/leds-netxbig.c b/drivers/leds/leds-netxbig.c
new file mode 100644
index 00000000000..f2e51c13439
--- /dev/null
+++ b/drivers/leds/leds-netxbig.c
@@ -0,0 +1,449 @@
+/*
+ * leds-netxbig.c - Driver for the 2Big and 5Big Network series LEDs
+ *
+ * Copyright (C) 2010 LaCie
+ *
+ * Author: Simon Guinot <sguinot@lacie.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/leds.h>
+#include <mach/leds-netxbig.h>
+
+/*
+ * GPIO extension bus.
+ */
+
+static DEFINE_SPINLOCK(gpio_ext_lock);
+
+static void gpio_ext_set_addr(struct netxbig_gpio_ext *gpio_ext, int addr)
+{
+ int pin;
+
+ for (pin = 0; pin < gpio_ext->num_addr; pin++)
+ gpio_set_value(gpio_ext->addr[pin], (addr >> pin) & 1);
+}
+
+static void gpio_ext_set_data(struct netxbig_gpio_ext *gpio_ext, int data)
+{
+ int pin;
+
+ for (pin = 0; pin < gpio_ext->num_data; pin++)
+ gpio_set_value(gpio_ext->data[pin], (data >> pin) & 1);
+}
+
+static void gpio_ext_enable_select(struct netxbig_gpio_ext *gpio_ext)
+{
+ /* Enable select is done on the raising edge. */
+ gpio_set_value(gpio_ext->enable, 0);
+ gpio_set_value(gpio_ext->enable, 1);
+}
+
+static void gpio_ext_set_value(struct netxbig_gpio_ext *gpio_ext,
+ int addr, int value)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&gpio_ext_lock, flags);
+ gpio_ext_set_addr(gpio_ext, addr);
+ gpio_ext_set_data(gpio_ext, value);
+ gpio_ext_enable_select(gpio_ext);
+ spin_unlock_irqrestore(&gpio_ext_lock, flags);
+}
+
+static int __devinit gpio_ext_init(struct netxbig_gpio_ext *gpio_ext)
+{
+ int err;
+ int i;
+
+ if (unlikely(!gpio_ext))
+ return -EINVAL;
+
+ /* Configure address GPIOs. */
+ for (i = 0; i < gpio_ext->num_addr; i++) {
+ err = gpio_request(gpio_ext->addr[i], "GPIO extension addr");
+ if (err)
+ goto err_free_addr;
+ err = gpio_direction_output(gpio_ext->addr[i], 0);
+ if (err) {
+ gpio_free(gpio_ext->addr[i]);
+ goto err_free_addr;
+ }
+ }
+ /* Configure data GPIOs. */
+ for (i = 0; i < gpio_ext->num_data; i++) {
+ err = gpio_request(gpio_ext->data[i], "GPIO extension data");
+ if (err)
+ goto err_free_data;
+ err = gpio_direction_output(gpio_ext->data[i], 0);
+ if (err) {
+ gpio_free(gpio_ext->data[i]);
+ goto err_free_data;
+ }
+ }
+ /* Configure "enable select" GPIO. */
+ err = gpio_request(gpio_ext->enable, "GPIO extension enable");
+ if (err)
+ goto err_free_data;
+ err = gpio_direction_output(gpio_ext->enable, 0);
+ if (err) {
+ gpio_free(gpio_ext->enable);
+ goto err_free_data;
+ }
+
+ return 0;
+
+err_free_data:
+ for (i = i - 1; i >= 0; i--)
+ gpio_free(gpio_ext->data[i]);
+ i = gpio_ext->num_addr;
+err_free_addr:
+ for (i = i - 1; i >= 0; i--)
+ gpio_free(gpio_ext->addr[i]);
+
+ return err;
+}
+
+static void __devexit gpio_ext_free(struct netxbig_gpio_ext *gpio_ext)
+{
+ int i;
+
+ gpio_free(gpio_ext->enable);
+ for (i = gpio_ext->num_addr - 1; i >= 0; i--)
+ gpio_free(gpio_ext->addr[i]);
+ for (i = gpio_ext->num_data - 1; i >= 0; i--)
+ gpio_free(gpio_ext->data[i]);
+}
+
+/*
+ * Class LED driver.
+ */
+
+struct netxbig_led_data {
+ struct netxbig_gpio_ext *gpio_ext;
+ struct led_classdev cdev;
+ int mode_addr;
+ int *mode_val;
+ int bright_addr;
+ int bright_max;
+ struct netxbig_led_timer *timer;
+ int num_timer;
+ enum netxbig_led_mode mode;
+ int sata;
+ spinlock_t lock;
+};
+
+static int netxbig_led_get_timer_mode(enum netxbig_led_mode *mode,
+ unsigned long delay_on,
+ unsigned long delay_off,
+ struct netxbig_led_timer *timer,
+ int num_timer)
+{
+ int i;
+
+ for (i = 0; i < num_timer; i++) {
+ if (timer[i].delay_on == delay_on &&
+ timer[i].delay_off == delay_off) {
+ *mode = timer[i].mode;
+ return 0;
+ }
+ }
+ return -EINVAL;
+}
+
+static int netxbig_led_blink_set(struct led_classdev *led_cdev,
+ unsigned long *delay_on,
+ unsigned long *delay_off)
+{
+ struct netxbig_led_data *led_dat =
+ container_of(led_cdev, struct netxbig_led_data, cdev);
+ enum netxbig_led_mode mode;
+ int mode_val;
+ int ret;
+
+ /* Look for a LED mode with the requested timer frequency. */
+ ret = netxbig_led_get_timer_mode(&mode, *delay_on, *delay_off,
+ led_dat->timer, led_dat->num_timer);
+ if (ret < 0)
+ return ret;
+
+ mode_val = led_dat->mode_val[mode];
+ if (mode_val == NETXBIG_LED_INVALID_MODE)
+ return -EINVAL;
+
+ spin_lock_irq(&led_dat->lock);
+
+ gpio_ext_set_value(led_dat->gpio_ext, led_dat->mode_addr, mode_val);
+ led_dat->mode = mode;
+
+ spin_unlock_irq(&led_dat->lock);
+
+ return 0;
+}
+
+static void netxbig_led_set(struct led_classdev *led_cdev,
+ enum led_brightness value)
+{
+ struct netxbig_led_data *led_dat =
+ container_of(led_cdev, struct netxbig_led_data, cdev);
+ enum netxbig_led_mode mode;
+ int mode_val, bright_val;
+ int set_brightness = 1;
+ unsigned long flags;
+
+ spin_lock_irqsave(&led_dat->lock, flags);
+
+ if (value == LED_OFF) {
+ mode = NETXBIG_LED_OFF;
+ set_brightness = 0;
+ } else {
+ if (led_dat->sata)
+ mode = NETXBIG_LED_SATA;
+ else if (led_dat->mode == NETXBIG_LED_OFF)
+ mode = NETXBIG_LED_ON;
+ else /* Keep 'timer' mode. */
+ mode = led_dat->mode;
+ }
+ mode_val = led_dat->mode_val[mode];
+
+ gpio_ext_set_value(led_dat->gpio_ext, led_dat->mode_addr, mode_val);
+ led_dat->mode = mode;
+ /*
+ * Note that the brightness register is shared between all the
+ * SATA LEDs. So, change the brightness setting for a single
+ * SATA LED will affect all the others.
+ */
+ if (set_brightness) {
+ bright_val = DIV_ROUND_UP(value * led_dat->bright_max,
+ LED_FULL);
+ gpio_ext_set_value(led_dat->gpio_ext,
+ led_dat->bright_addr, bright_val);
+ }
+
+ spin_unlock_irqrestore(&led_dat->lock, flags);
+}
+
+static ssize_t netxbig_led_sata_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buff, size_t count)
+{
+ struct led_classdev *led_cdev = dev_get_drvdata(dev);
+ struct netxbig_led_data *led_dat =
+ container_of(led_cdev, struct netxbig_led_data, cdev);
+ unsigned long enable;
+ enum netxbig_led_mode mode;
+ int mode_val;
+ int ret;
+
+ ret = strict_strtoul(buff, 10, &enable);
+ if (ret < 0)
+ return ret;
+
+ enable = !!enable;
+
+ spin_lock_irq(&led_dat->lock);
+
+ if (led_dat->sata == enable) {
+ ret = count;
+ goto exit_unlock;
+ }
+
+ if (led_dat->mode != NETXBIG_LED_ON &&
+ led_dat->mode != NETXBIG_LED_SATA)
+ mode = led_dat->mode; /* Keep modes 'off' and 'timer'. */
+ else if (enable)
+ mode = NETXBIG_LED_SATA;
+ else
+ mode = NETXBIG_LED_ON;
+
+ mode_val = led_dat->mode_val[mode];
+ if (mode_val == NETXBIG_LED_INVALID_MODE) {
+ ret = -EINVAL;
+ goto exit_unlock;
+ }
+
+ gpio_ext_set_value(led_dat->gpio_ext, led_dat->mode_addr, mode_val);
+ led_dat->mode = mode;
+ led_dat->sata = enable;
+
+ ret = count;
+
+exit_unlock:
+ spin_unlock_irq(&led_dat->lock);
+
+ return ret;
+}
+
+static ssize_t netxbig_led_sata_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct led_classdev *led_cdev = dev_get_drvdata(dev);
+ struct netxbig_led_data *led_dat =
+ container_of(led_cdev, struct netxbig_led_data, cdev);
+
+ return sprintf(buf, "%d\n", led_dat->sata);
+}
+
+static DEVICE_ATTR(sata, 0644, netxbig_led_sata_show, netxbig_led_sata_store);
+
+static void __devexit delete_netxbig_led(struct netxbig_led_data *led_dat)
+{
+ if (led_dat->mode_val[NETXBIG_LED_SATA] != NETXBIG_LED_INVALID_MODE)
+ device_remove_file(led_dat->cdev.dev, &dev_attr_sata);
+ led_classdev_unregister(&led_dat->cdev);
+}
+
+static int __devinit
+create_netxbig_led(struct platform_device *pdev,
+ struct netxbig_led_data *led_dat,
+ const struct netxbig_led *template)
+{
+ struct netxbig_led_platform_data *pdata = pdev->dev.platform_data;
+ int ret;
+
+ spin_lock_init(&led_dat->lock);
+ led_dat->gpio_ext = pdata->gpio_ext;
+ led_dat->cdev.name = template->name;
+ led_dat->cdev.default_trigger = template->default_trigger;
+ led_dat->cdev.blink_set = netxbig_led_blink_set;
+ led_dat->cdev.brightness_set = netxbig_led_set;
+ /*
+ * Because the GPIO extension bus don't allow to read registers
+ * value, there is no way to probe the LED initial state.
+ * So, the initial sysfs LED value for the "brightness" and "sata"
+ * attributes are inconsistent.
+ *
+ * Note that the initial LED state can't be reconfigured.
+ * The reason is that the LED behaviour must stay uniform during
+ * the whole boot process (bootloader+linux).
+ */
+ led_dat->sata = 0;
+ led_dat->cdev.brightness = LED_OFF;
+ led_dat->cdev.flags |= LED_CORE_SUSPENDRESUME;
+ led_dat->mode_addr = template->mode_addr;
+ led_dat->mode_val = template->mode_val;
+ led_dat->bright_addr = template->bright_addr;
+ led_dat->bright_max = (1 << pdata->gpio_ext->num_data) - 1;
+ led_dat->timer = pdata->timer;
+ led_dat->num_timer = pdata->num_timer;
+
+ ret = led_classdev_register(&pdev->dev, &led_dat->cdev);
+ if (ret < 0)
+ return ret;
+
+ /*
+ * If available, expose the SATA activity blink capability through
+ * a "sata" sysfs attribute.
+ */
+ if (led_dat->mode_val[NETXBIG_LED_SATA] != NETXBIG_LED_INVALID_MODE) {
+ ret = device_create_file(led_dat->cdev.dev, &dev_attr_sata);
+ if (ret)
+ led_classdev_unregister(&led_dat->cdev);
+ }
+
+ return ret;
+}
+
+static int __devinit netxbig_led_probe(struct platform_device *pdev)
+{
+ struct netxbig_led_platform_data *pdata = pdev->dev.platform_data;
+ struct netxbig_led_data *leds_data;
+ int i;
+ int ret;
+
+ if (!pdata)
+ return -EINVAL;
+
+ leds_data = kzalloc(sizeof(struct netxbig_led_data) * pdata->num_leds,
+ GFP_KERNEL);
+ if (!leds_data)
+ return -ENOMEM;
+
+ ret = gpio_ext_init(pdata->gpio_ext);
+ if (ret < 0)
+ goto err_free_data;
+
+ for (i = 0; i < pdata->num_leds; i++) {
+ ret = create_netxbig_led(pdev, &leds_data[i], &pdata->leds[i]);
+ if (ret < 0)
+ goto err_free_leds;
+ }
+
+ platform_set_drvdata(pdev, leds_data);
+
+ return 0;
+
+err_free_leds:
+ for (i = i - 1; i >= 0; i--)
+ delete_netxbig_led(&leds_data[i]);
+
+ gpio_ext_free(pdata->gpio_ext);
+err_free_data:
+ kfree(leds_data);
+
+ return ret;
+}
+
+static int __devexit netxbig_led_remove(struct platform_device *pdev)
+{
+ struct netxbig_led_platform_data *pdata = pdev->dev.platform_data;
+ struct netxbig_led_data *leds_data;
+ int i;
+
+ leds_data = platform_get_drvdata(pdev);
+
+ for (i = 0; i < pdata->num_leds; i++)
+ delete_netxbig_led(&leds_data[i]);
+
+ gpio_ext_free(pdata->gpio_ext);
+ kfree(leds_data);
+
+ return 0;
+}
+
+static struct platform_driver netxbig_led_driver = {
+ .probe = netxbig_led_probe,
+ .remove = __devexit_p(netxbig_led_remove),
+ .driver = {
+ .name = "leds-netxbig",
+ .owner = THIS_MODULE,
+ },
+};
+MODULE_ALIAS("platform:leds-netxbig");
+
+static int __init netxbig_led_init(void)
+{
+ return platform_driver_register(&netxbig_led_driver);
+}
+
+static void __exit netxbig_led_exit(void)
+{
+ platform_driver_unregister(&netxbig_led_driver);
+}
+
+module_init(netxbig_led_init);
+module_exit(netxbig_led_exit);
+
+MODULE_AUTHOR("Simon Guinot <sguinot@lacie.com>");
+MODULE_DESCRIPTION("LED driver for LaCie xBig Network boards");
+MODULE_LICENSE("GPL");
diff --git a/drivers/leds/leds-ns2.c b/drivers/leds/leds-ns2.c
index 350eb34f049..f77d48d0b3e 100644
--- a/drivers/leds/leds-ns2.c
+++ b/drivers/leds/leds-ns2.c
@@ -141,10 +141,12 @@ static ssize_t ns2_led_sata_store(struct device *dev,
struct device_attribute *attr,
const char *buff, size_t count)
{
+ struct led_classdev *led_cdev = dev_get_drvdata(dev);
+ struct ns2_led_data *led_dat =
+ container_of(led_cdev, struct ns2_led_data, cdev);
int ret;
unsigned long enable;
enum ns2_led_modes mode;
- struct ns2_led_data *led_dat = dev_get_drvdata(dev);
ret = strict_strtoul(buff, 10, &enable);
if (ret < 0)
@@ -172,7 +174,9 @@ static ssize_t ns2_led_sata_store(struct device *dev,
static ssize_t ns2_led_sata_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct ns2_led_data *led_dat = dev_get_drvdata(dev);
+ struct led_classdev *led_cdev = dev_get_drvdata(dev);
+ struct ns2_led_data *led_dat =
+ container_of(led_cdev, struct ns2_led_data, cdev);
return sprintf(buf, "%d\n", led_dat->sata);
}
@@ -234,7 +238,6 @@ create_ns2_led(struct platform_device *pdev, struct ns2_led_data *led_dat,
if (ret < 0)
goto err_free_slow;
- dev_set_drvdata(led_dat->cdev.dev, led_dat);
ret = device_create_file(led_dat->cdev.dev, &dev_attr_sata);
if (ret < 0)
goto err_free_cdev;
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 840b301b567..f2e02d7d9f3 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -41,23 +41,35 @@ static unsigned int fmax = 515633;
* @clkreg: default value for MCICLOCK register
* @clkreg_enable: enable value for MMCICLOCK register
* @datalength_bits: number of bits in the MMCIDATALENGTH register
+ * @fifosize: number of bytes that can be written when MMCI_TXFIFOEMPTY
+ * is asserted (likewise for RX)
+ * @fifohalfsize: number of bytes that can be written when MCI_TXFIFOHALFEMPTY
+ * is asserted (likewise for RX)
*/
struct variant_data {
unsigned int clkreg;
unsigned int clkreg_enable;
unsigned int datalength_bits;
+ unsigned int fifosize;
+ unsigned int fifohalfsize;
};
static struct variant_data variant_arm = {
+ .fifosize = 16 * 4,
+ .fifohalfsize = 8 * 4,
.datalength_bits = 16,
};
static struct variant_data variant_u300 = {
+ .fifosize = 16 * 4,
+ .fifohalfsize = 8 * 4,
.clkreg_enable = 1 << 13, /* HWFCEN */
.datalength_bits = 16,
};
static struct variant_data variant_ux500 = {
+ .fifosize = 30 * 4,
+ .fifohalfsize = 8 * 4,
.clkreg = MCI_CLK_ENABLE,
.clkreg_enable = 1 << 14, /* HWFCEN */
.datalength_bits = 24,
@@ -138,6 +150,7 @@ static void mmci_init_sg(struct mmci_host *host, struct mmc_data *data)
static void mmci_start_data(struct mmci_host *host, struct mmc_data *data)
{
+ struct variant_data *variant = host->variant;
unsigned int datactrl, timeout, irqmask;
unsigned long long clks;
void __iomem *base;
@@ -173,7 +186,7 @@ static void mmci_start_data(struct mmci_host *host, struct mmc_data *data)
* If we have less than a FIFOSIZE of bytes to transfer,
* trigger a PIO interrupt as soon as any data is available.
*/
- if (host->size < MCI_FIFOSIZE)
+ if (host->size < variant->fifosize)
irqmask |= MCI_RXDATAAVLBLMASK;
} else {
/*
@@ -332,13 +345,15 @@ static int mmci_pio_read(struct mmci_host *host, char *buffer, unsigned int rema
static int mmci_pio_write(struct mmci_host *host, char *buffer, unsigned int remain, u32 status)
{
+ struct variant_data *variant = host->variant;
void __iomem *base = host->base;
char *ptr = buffer;
do {
unsigned int count, maxcnt;
- maxcnt = status & MCI_TXFIFOEMPTY ? MCI_FIFOSIZE : MCI_FIFOHALFSIZE;
+ maxcnt = status & MCI_TXFIFOEMPTY ?
+ variant->fifosize : variant->fifohalfsize;
count = min(remain, maxcnt);
writesl(base + MMCIFIFO, ptr, count >> 2);
@@ -362,6 +377,7 @@ static irqreturn_t mmci_pio_irq(int irq, void *dev_id)
{
struct mmci_host *host = dev_id;
struct sg_mapping_iter *sg_miter = &host->sg_miter;
+ struct variant_data *variant = host->variant;
void __iomem *base = host->base;
unsigned long flags;
u32 status;
@@ -420,7 +436,7 @@ static irqreturn_t mmci_pio_irq(int irq, void *dev_id)
* If we're nearing the end of the read, switch to
* "any data available" mode.
*/
- if (status & MCI_RXACTIVE && host->size < MCI_FIFOSIZE)
+ if (status & MCI_RXACTIVE && host->size < variant->fifosize)
writel(MCI_RXDATAAVLBLMASK, base + MMCIMASK1);
/*
@@ -564,18 +580,23 @@ static int mmci_get_ro(struct mmc_host *mmc)
if (host->gpio_wp == -ENOSYS)
return -ENOSYS;
- return gpio_get_value(host->gpio_wp);
+ return gpio_get_value_cansleep(host->gpio_wp);
}
static int mmci_get_cd(struct mmc_host *mmc)
{
struct mmci_host *host = mmc_priv(mmc);
+ struct mmci_platform_data *plat = host->plat;
unsigned int status;
- if (host->gpio_cd == -ENOSYS)
- status = host->plat->status(mmc_dev(host->mmc));
- else
- status = !gpio_get_value(host->gpio_cd);
+ if (host->gpio_cd == -ENOSYS) {
+ if (!plat->status)
+ return 1; /* Assume always present */
+
+ status = plat->status(mmc_dev(host->mmc));
+ } else
+ status = !!gpio_get_value_cansleep(host->gpio_cd)
+ ^ plat->cd_invert;
/*
* Use positive logic throughout - status is zero for no card,
@@ -584,6 +605,15 @@ static int mmci_get_cd(struct mmc_host *mmc)
return status;
}
+static irqreturn_t mmci_cd_irq(int irq, void *dev_id)
+{
+ struct mmci_host *host = dev_id;
+
+ mmc_detect_change(host->mmc, msecs_to_jiffies(500));
+
+ return IRQ_HANDLED;
+}
+
static const struct mmc_host_ops mmci_ops = {
.request = mmci_request,
.set_ios = mmci_set_ios,
@@ -620,6 +650,7 @@ static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id)
host->gpio_wp = -ENOSYS;
host->gpio_cd = -ENOSYS;
+ host->gpio_cd_irq = -1;
host->hw_designer = amba_manf(dev);
host->hw_revision = amba_rev(dev);
@@ -699,7 +730,6 @@ static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id)
if (host->vcc == NULL)
mmc->ocr_avail = plat->ocr_mask;
mmc->caps = plat->capabilities;
- mmc->caps |= MMC_CAP_NEEDS_POLL;
/*
* We can do SGIO
@@ -744,6 +774,12 @@ static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id)
host->gpio_cd = plat->gpio_cd;
else if (ret != -ENOSYS)
goto err_gpio_cd;
+
+ ret = request_any_context_irq(gpio_to_irq(plat->gpio_cd),
+ mmci_cd_irq, 0,
+ DRIVER_NAME " (cd)", host);
+ if (ret >= 0)
+ host->gpio_cd_irq = gpio_to_irq(plat->gpio_cd);
}
if (gpio_is_valid(plat->gpio_wp)) {
ret = gpio_request(plat->gpio_wp, DRIVER_NAME " (wp)");
@@ -755,6 +791,10 @@ static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id)
goto err_gpio_wp;
}
+ if ((host->plat->status || host->gpio_cd != -ENOSYS)
+ && host->gpio_cd_irq < 0)
+ mmc->caps |= MMC_CAP_NEEDS_POLL;
+
ret = request_irq(dev->irq[0], mmci_irq, IRQF_SHARED, DRIVER_NAME " (cmd)", host);
if (ret)
goto unmap;
@@ -781,6 +821,8 @@ static int __devinit mmci_probe(struct amba_device *dev, struct amba_id *id)
if (host->gpio_wp != -ENOSYS)
gpio_free(host->gpio_wp);
err_gpio_wp:
+ if (host->gpio_cd_irq >= 0)
+ free_irq(host->gpio_cd_irq, host);
if (host->gpio_cd != -ENOSYS)
gpio_free(host->gpio_cd);
err_gpio_cd:
@@ -819,6 +861,8 @@ static int __devexit mmci_remove(struct amba_device *dev)
if (host->gpio_wp != -ENOSYS)
gpio_free(host->gpio_wp);
+ if (host->gpio_cd_irq >= 0)
+ free_irq(host->gpio_cd_irq, host);
if (host->gpio_cd != -ENOSYS)
gpio_free(host->gpio_cd);
diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h
index 68970cfb81e..4ae887fc018 100644
--- a/drivers/mmc/host/mmci.h
+++ b/drivers/mmc/host/mmci.h
@@ -54,10 +54,16 @@
#define MCI_DPSM_MODE (1 << 2)
#define MCI_DPSM_DMAENABLE (1 << 3)
#define MCI_DPSM_BLOCKSIZE (1 << 4)
-#define MCI_DPSM_RWSTART (1 << 8)
-#define MCI_DPSM_RWSTOP (1 << 9)
-#define MCI_DPSM_RWMOD (1 << 10)
-#define MCI_DPSM_SDIOEN (1 << 11)
+/* Control register extensions in the ST Micro U300 and Ux500 versions */
+#define MCI_ST_DPSM_RWSTART (1 << 8)
+#define MCI_ST_DPSM_RWSTOP (1 << 9)
+#define MCI_ST_DPSM_RWMOD (1 << 10)
+#define MCI_ST_DPSM_SDIOEN (1 << 11)
+/* Control register extensions in the ST Micro Ux500 versions */
+#define MCI_ST_DPSM_DMAREQCTL (1 << 12)
+#define MCI_ST_DPSM_DBOOTMODEEN (1 << 13)
+#define MCI_ST_DPSM_BUSYMODE (1 << 14)
+#define MCI_ST_DPSM_DDRMODE (1 << 15)
#define MMCIDATACNT 0x030
#define MMCISTATUS 0x034
@@ -133,13 +139,6 @@
MCI_DATATIMEOUTMASK|MCI_TXUNDERRUNMASK|MCI_RXOVERRUNMASK| \
MCI_CMDRESPENDMASK|MCI_CMDSENTMASK|MCI_DATABLOCKENDMASK)
-/*
- * The size of the FIFO in bytes.
- */
-#define MCI_FIFOSIZE (16*4)
-
-#define MCI_FIFOHALFSIZE (MCI_FIFOSIZE / 2)
-
#define NR_SG 16
struct clk;
@@ -154,6 +153,7 @@ struct mmci_host {
struct clk *clk;
int gpio_cd;
int gpio_wp;
+ int gpio_cd_irq;
unsigned int data_xfered;
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 5db667c0b37..77efe462b92 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -2,6 +2,9 @@
# Network device configuration
#
+config HAVE_NET_MACB
+ bool
+
menuconfig NETDEVICES
default y if UML
depends on NET
@@ -221,7 +224,7 @@ config MII
config MACB
tristate "Atmel MACB support"
- depends on AVR32 || ARCH_AT91SAM9260 || ARCH_AT91SAM9263 || ARCH_AT91SAM9G20 || ARCH_AT91SAM9G45 || ARCH_AT91CAP9
+ depends on HAVE_NET_MACB
select PHYLIB
help
The Atmel MACB ethernet interface is found on many AT32 and AT91
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 12900f7083b..3198c5335f0 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -458,6 +458,7 @@ config SERIAL_SAMSUNG_UARTS
int
depends on ARM && PLAT_SAMSUNG
default 2 if ARCH_S3C2400
+ default 6 if ARCH_S5P6450
default 4 if SERIAL_SAMSUNG_UARTS_4
default 3
help
@@ -526,12 +527,12 @@ config SERIAL_S3C24A0
Serial port support for the Samsung S3C24A0 SoC
config SERIAL_S3C6400
- tristate "Samsung S3C6400/S3C6410/S5P6440/S5PC100 Serial port support"
- depends on SERIAL_SAMSUNG && (CPU_S3C6400 || CPU_S3C6410 || CPU_S5P6440 || CPU_S5PC100)
+ tristate "Samsung S3C6400/S3C6410/S5P6440/S5P6450/S5PC100 Serial port support"
+ depends on SERIAL_SAMSUNG && (CPU_S3C6400 || CPU_S3C6410 || CPU_S5P6440 || CPU_S5P6450 || CPU_S5PC100)
select SERIAL_SAMSUNG_UARTS_4
default y
help
- Serial port support for the Samsung S3C6400, S3C6410, S5P6440
+ Serial port support for the Samsung S3C6400, S3C6410, S5P6440, S5P6450
and S5PC100 SoCs
config SERIAL_S5PV210
diff --git a/drivers/serial/samsung.c b/drivers/serial/samsung.c
index b1156ba8ad1..7ac2bf5167c 100644
--- a/drivers/serial/samsung.c
+++ b/drivers/serial/samsung.c
@@ -1101,7 +1101,7 @@ static int s3c24xx_serial_init_port(struct s3c24xx_uart_port *ourport,
dbg("resource %p (%lx..%lx)\n", res, res->start, res->end);
port->mapbase = res->start;
- port->membase = S3C_VA_UART + res->start - (S3C_PA_UART & 0xfff00000);
+ port->membase = S3C_VA_UART + (res->start & 0xfffff);
ret = platform_get_irq(platdev, 0);
if (ret < 0)
port->irq = 0;
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 9949c252c23..4b9eec68fad 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -143,10 +143,26 @@ config SPI_GPIO
GPIO operations, you should be able to leverage that for better
speed with a custom version of this driver; see the source code.
+config SPI_IMX_VER_IMX1
+ def_bool y if SOC_IMX1
+
+config SPI_IMX_VER_0_0
+ def_bool y if SOC_IMX21 || SOC_IMX27
+
+config SPI_IMX_VER_0_4
+ def_bool y if ARCH_MX31
+
+config SPI_IMX_VER_0_7
+ def_bool y if ARCH_MX25 || ARCH_MX35 || ARCH_MX51
+
+config SPI_IMX_VER_2_3
+ def_bool y if ARCH_MX51
+
config SPI_IMX
tristate "Freescale i.MX SPI controllers"
depends on ARCH_MXC
select SPI_BITBANG
+ default m if IMX_HAVE_PLATFORM_SPI_IMX
help
This enables using the Freescale i.MX SPI controllers in master
mode.
diff --git a/drivers/spi/spi_imx.c b/drivers/spi/spi_imx.c
index 7972e907747..55a38e2c6c1 100644
--- a/drivers/spi/spi_imx.c
+++ b/drivers/spi/spi_imx.c
@@ -56,7 +56,28 @@ struct spi_imx_config {
unsigned int speed_hz;
unsigned int bpw;
unsigned int mode;
- int cs;
+ u8 cs;
+};
+
+enum spi_imx_devtype {
+ SPI_IMX_VER_IMX1,
+ SPI_IMX_VER_0_0,
+ SPI_IMX_VER_0_4,
+ SPI_IMX_VER_0_5,
+ SPI_IMX_VER_0_7,
+ SPI_IMX_VER_2_3,
+ SPI_IMX_VER_AUTODETECT,
+};
+
+struct spi_imx_data;
+
+struct spi_imx_devtype_data {
+ void (*intctrl)(struct spi_imx_data *, int);
+ int (*config)(struct spi_imx_data *, struct spi_imx_config *);
+ void (*trigger)(struct spi_imx_data *);
+ int (*rx_available)(struct spi_imx_data *);
+ void (*reset)(struct spi_imx_data *);
+ unsigned int fifosize;
};
struct spi_imx_data {
@@ -76,11 +97,7 @@ struct spi_imx_data {
const void *tx_buf;
unsigned int txfifo; /* number of words pushed in tx FIFO */
- /* SoC specific functions */
- void (*intctrl)(struct spi_imx_data *, int);
- int (*config)(struct spi_imx_data *, struct spi_imx_config *);
- void (*trigger)(struct spi_imx_data *);
- int (*rx_available)(struct spi_imx_data *);
+ struct spi_imx_devtype_data devtype_data;
};
#define MXC_SPI_BUF_RX(type) \
@@ -140,7 +157,7 @@ static unsigned int spi_imx_clkdiv_1(unsigned int fin,
return max;
}
-/* MX1, MX31, MX35 */
+/* MX1, MX31, MX35, MX51 CSPI */
static unsigned int spi_imx_clkdiv_2(unsigned int fin,
unsigned int fspi)
{
@@ -155,6 +172,128 @@ static unsigned int spi_imx_clkdiv_2(unsigned int fin,
return 7;
}
+#define SPI_IMX2_3_CTRL 0x08
+#define SPI_IMX2_3_CTRL_ENABLE (1 << 0)
+#define SPI_IMX2_3_CTRL_XCH (1 << 2)
+#define SPI_IMX2_3_CTRL_MODE(cs) (1 << ((cs) + 4))
+#define SPI_IMX2_3_CTRL_POSTDIV_OFFSET 8
+#define SPI_IMX2_3_CTRL_PREDIV_OFFSET 12
+#define SPI_IMX2_3_CTRL_CS(cs) ((cs) << 18)
+#define SPI_IMX2_3_CTRL_BL_OFFSET 20
+
+#define SPI_IMX2_3_CONFIG 0x0c
+#define SPI_IMX2_3_CONFIG_SCLKPHA(cs) (1 << ((cs) + 0))
+#define SPI_IMX2_3_CONFIG_SCLKPOL(cs) (1 << ((cs) + 4))
+#define SPI_IMX2_3_CONFIG_SBBCTRL(cs) (1 << ((cs) + 8))
+#define SPI_IMX2_3_CONFIG_SSBPOL(cs) (1 << ((cs) + 12))
+
+#define SPI_IMX2_3_INT 0x10
+#define SPI_IMX2_3_INT_TEEN (1 << 0)
+#define SPI_IMX2_3_INT_RREN (1 << 3)
+
+#define SPI_IMX2_3_STAT 0x18
+#define SPI_IMX2_3_STAT_RR (1 << 3)
+
+/* MX51 eCSPI */
+static unsigned int spi_imx2_3_clkdiv(unsigned int fin, unsigned int fspi)
+{
+ /*
+ * there are two 4-bit dividers, the pre-divider divides by
+ * $pre, the post-divider by 2^$post
+ */
+ unsigned int pre, post;
+
+ if (unlikely(fspi > fin))
+ return 0;
+
+ post = fls(fin) - fls(fspi);
+ if (fin > fspi << post)
+ post++;
+
+ /* now we have: (fin <= fspi << post) with post being minimal */
+
+ post = max(4U, post) - 4;
+ if (unlikely(post > 0xf)) {
+ pr_err("%s: cannot set clock freq: %u (base freq: %u)\n",
+ __func__, fspi, fin);
+ return 0xff;
+ }
+
+ pre = DIV_ROUND_UP(fin, fspi << post) - 1;
+
+ pr_debug("%s: fin: %u, fspi: %u, post: %u, pre: %u\n",
+ __func__, fin, fspi, post, pre);
+ return (pre << SPI_IMX2_3_CTRL_PREDIV_OFFSET) |
+ (post << SPI_IMX2_3_CTRL_POSTDIV_OFFSET);
+}
+
+static void __maybe_unused spi_imx2_3_intctrl(struct spi_imx_data *spi_imx, int enable)
+{
+ unsigned val = 0;
+
+ if (enable & MXC_INT_TE)
+ val |= SPI_IMX2_3_INT_TEEN;
+
+ if (enable & MXC_INT_RR)
+ val |= SPI_IMX2_3_INT_RREN;
+
+ writel(val, spi_imx->base + SPI_IMX2_3_INT);
+}
+
+static void __maybe_unused spi_imx2_3_trigger(struct spi_imx_data *spi_imx)
+{
+ u32 reg;
+
+ reg = readl(spi_imx->base + SPI_IMX2_3_CTRL);
+ reg |= SPI_IMX2_3_CTRL_XCH;
+ writel(reg, spi_imx->base + SPI_IMX2_3_CTRL);
+}
+
+static int __maybe_unused spi_imx2_3_config(struct spi_imx_data *spi_imx,
+ struct spi_imx_config *config)
+{
+ u32 ctrl = SPI_IMX2_3_CTRL_ENABLE, cfg = 0;
+
+ /* set master mode */
+ ctrl |= SPI_IMX2_3_CTRL_MODE(config->cs);
+
+ /* set clock speed */
+ ctrl |= spi_imx2_3_clkdiv(spi_imx->spi_clk, config->speed_hz);
+
+ /* set chip select to use */
+ ctrl |= SPI_IMX2_3_CTRL_CS(config->cs);
+
+ ctrl |= (config->bpw - 1) << SPI_IMX2_3_CTRL_BL_OFFSET;
+
+ cfg |= SPI_IMX2_3_CONFIG_SBBCTRL(config->cs);
+
+ if (config->mode & SPI_CPHA)
+ cfg |= SPI_IMX2_3_CONFIG_SCLKPHA(config->cs);
+
+ if (config->mode & SPI_CPOL)
+ cfg |= SPI_IMX2_3_CONFIG_SCLKPOL(config->cs);
+
+ if (config->mode & SPI_CS_HIGH)
+ cfg |= SPI_IMX2_3_CONFIG_SSBPOL(config->cs);
+
+ writel(ctrl, spi_imx->base + SPI_IMX2_3_CTRL);
+ writel(cfg, spi_imx->base + SPI_IMX2_3_CONFIG);
+
+ return 0;
+}
+
+static int __maybe_unused spi_imx2_3_rx_available(struct spi_imx_data *spi_imx)
+{
+ return readl(spi_imx->base + SPI_IMX2_3_STAT) & SPI_IMX2_3_STAT_RR;
+}
+
+static void __maybe_unused spi_imx2_3_reset(struct spi_imx_data *spi_imx)
+{
+ /* drain receive buffer */
+ while (spi_imx2_3_rx_available(spi_imx))
+ readl(spi_imx->base + MXC_CSPIRXDATA);
+}
+
#define MX31_INTREG_TEEN (1 << 0)
#define MX31_INTREG_RREN (1 << 3)
@@ -178,7 +317,7 @@ static unsigned int spi_imx_clkdiv_2(unsigned int fin,
* the i.MX35 has a slightly different register layout for bits
* we do not use here.
*/
-static void mx31_intctrl(struct spi_imx_data *spi_imx, int enable)
+static void __maybe_unused mx31_intctrl(struct spi_imx_data *spi_imx, int enable)
{
unsigned int val = 0;
@@ -190,7 +329,7 @@ static void mx31_intctrl(struct spi_imx_data *spi_imx, int enable)
writel(val, spi_imx->base + MXC_CSPIINT);
}
-static void mx31_trigger(struct spi_imx_data *spi_imx)
+static void __maybe_unused mx31_trigger(struct spi_imx_data *spi_imx)
{
unsigned int reg;
@@ -199,20 +338,16 @@ static void mx31_trigger(struct spi_imx_data *spi_imx)
writel(reg, spi_imx->base + MXC_CSPICTRL);
}
-static int mx31_config(struct spi_imx_data *spi_imx,
+static int __maybe_unused spi_imx0_4_config(struct spi_imx_data *spi_imx,
struct spi_imx_config *config)
{
unsigned int reg = MX31_CSPICTRL_ENABLE | MX31_CSPICTRL_MASTER;
+ int cs = spi_imx->chipselect[config->cs];
reg |= spi_imx_clkdiv_2(spi_imx->spi_clk, config->speed_hz) <<
MX31_CSPICTRL_DR_SHIFT;
- if (cpu_is_mx31())
- reg |= (config->bpw - 1) << MX31_CSPICTRL_BC_SHIFT;
- else if (cpu_is_mx25() || cpu_is_mx35()) {
- reg |= (config->bpw - 1) << MX35_CSPICTRL_BL_SHIFT;
- reg |= MX31_CSPICTRL_SSCTL;
- }
+ reg |= (config->bpw - 1) << MX31_CSPICTRL_BC_SHIFT;
if (config->mode & SPI_CPHA)
reg |= MX31_CSPICTRL_PHA;
@@ -220,23 +355,52 @@ static int mx31_config(struct spi_imx_data *spi_imx,
reg |= MX31_CSPICTRL_POL;
if (config->mode & SPI_CS_HIGH)
reg |= MX31_CSPICTRL_SSPOL;
- if (config->cs < 0) {
- if (cpu_is_mx31())
- reg |= (config->cs + 32) << MX31_CSPICTRL_CS_SHIFT;
- else if (cpu_is_mx25() || cpu_is_mx35())
- reg |= (config->cs + 32) << MX35_CSPICTRL_CS_SHIFT;
- }
+ if (cs < 0)
+ reg |= (cs + 32) << MX31_CSPICTRL_CS_SHIFT;
+
+ writel(reg, spi_imx->base + MXC_CSPICTRL);
+
+ return 0;
+}
+
+static int __maybe_unused spi_imx0_7_config(struct spi_imx_data *spi_imx,
+ struct spi_imx_config *config)
+{
+ unsigned int reg = MX31_CSPICTRL_ENABLE | MX31_CSPICTRL_MASTER;
+ int cs = spi_imx->chipselect[config->cs];
+
+ reg |= spi_imx_clkdiv_2(spi_imx->spi_clk, config->speed_hz) <<
+ MX31_CSPICTRL_DR_SHIFT;
+
+ reg |= (config->bpw - 1) << MX35_CSPICTRL_BL_SHIFT;
+ reg |= MX31_CSPICTRL_SSCTL;
+
+ if (config->mode & SPI_CPHA)
+ reg |= MX31_CSPICTRL_PHA;
+ if (config->mode & SPI_CPOL)
+ reg |= MX31_CSPICTRL_POL;
+ if (config->mode & SPI_CS_HIGH)
+ reg |= MX31_CSPICTRL_SSPOL;
+ if (cs < 0)
+ reg |= (cs + 32) << MX35_CSPICTRL_CS_SHIFT;
writel(reg, spi_imx->base + MXC_CSPICTRL);
return 0;
}
-static int mx31_rx_available(struct spi_imx_data *spi_imx)
+static int __maybe_unused mx31_rx_available(struct spi_imx_data *spi_imx)
{
return readl(spi_imx->base + MX31_CSPISTATUS) & MX31_STATUS_RR;
}
+static void __maybe_unused spi_imx0_4_reset(struct spi_imx_data *spi_imx)
+{
+ /* drain receive buffer */
+ while (readl(spi_imx->base + MX3_CSPISTAT) & MX3_CSPISTAT_RR)
+ readl(spi_imx->base + MXC_CSPIRXDATA);
+}
+
#define MX27_INTREG_RR (1 << 4)
#define MX27_INTREG_TEEN (1 << 9)
#define MX27_INTREG_RREN (1 << 13)
@@ -250,7 +414,7 @@ static int mx31_rx_available(struct spi_imx_data *spi_imx)
#define MX27_CSPICTRL_DR_SHIFT 14
#define MX27_CSPICTRL_CS_SHIFT 19
-static void mx27_intctrl(struct spi_imx_data *spi_imx, int enable)
+static void __maybe_unused mx27_intctrl(struct spi_imx_data *spi_imx, int enable)
{
unsigned int val = 0;
@@ -262,7 +426,7 @@ static void mx27_intctrl(struct spi_imx_data *spi_imx, int enable)
writel(val, spi_imx->base + MXC_CSPIINT);
}
-static void mx27_trigger(struct spi_imx_data *spi_imx)
+static void __maybe_unused mx27_trigger(struct spi_imx_data *spi_imx)
{
unsigned int reg;
@@ -271,10 +435,11 @@ static void mx27_trigger(struct spi_imx_data *spi_imx)
writel(reg, spi_imx->base + MXC_CSPICTRL);
}
-static int mx27_config(struct spi_imx_data *spi_imx,
+static int __maybe_unused mx27_config(struct spi_imx_data *spi_imx,
struct spi_imx_config *config)
{
unsigned int reg = MX27_CSPICTRL_ENABLE | MX27_CSPICTRL_MASTER;
+ int cs = spi_imx->chipselect[config->cs];
reg |= spi_imx_clkdiv_1(spi_imx->spi_clk, config->speed_hz) <<
MX27_CSPICTRL_DR_SHIFT;
@@ -286,19 +451,24 @@ static int mx27_config(struct spi_imx_data *spi_imx,
reg |= MX27_CSPICTRL_POL;
if (config->mode & SPI_CS_HIGH)
reg |= MX27_CSPICTRL_SSPOL;
- if (config->cs < 0)
- reg |= (config->cs + 32) << MX27_CSPICTRL_CS_SHIFT;
+ if (cs < 0)
+ reg |= (cs + 32) << MX27_CSPICTRL_CS_SHIFT;
writel(reg, spi_imx->base + MXC_CSPICTRL);
return 0;
}
-static int mx27_rx_available(struct spi_imx_data *spi_imx)
+static int __maybe_unused mx27_rx_available(struct spi_imx_data *spi_imx)
{
return readl(spi_imx->base + MXC_CSPIINT) & MX27_INTREG_RR;
}
+static void __maybe_unused spi_imx0_0_reset(struct spi_imx_data *spi_imx)
+{
+ writel(1, spi_imx->base + MXC_RESET);
+}
+
#define MX1_INTREG_RR (1 << 3)
#define MX1_INTREG_TEEN (1 << 8)
#define MX1_INTREG_RREN (1 << 11)
@@ -310,7 +480,7 @@ static int mx27_rx_available(struct spi_imx_data *spi_imx)
#define MX1_CSPICTRL_MASTER (1 << 10)
#define MX1_CSPICTRL_DR_SHIFT 13
-static void mx1_intctrl(struct spi_imx_data *spi_imx, int enable)
+static void __maybe_unused mx1_intctrl(struct spi_imx_data *spi_imx, int enable)
{
unsigned int val = 0;
@@ -322,7 +492,7 @@ static void mx1_intctrl(struct spi_imx_data *spi_imx, int enable)
writel(val, spi_imx->base + MXC_CSPIINT);
}
-static void mx1_trigger(struct spi_imx_data *spi_imx)
+static void __maybe_unused mx1_trigger(struct spi_imx_data *spi_imx)
{
unsigned int reg;
@@ -331,7 +501,7 @@ static void mx1_trigger(struct spi_imx_data *spi_imx)
writel(reg, spi_imx->base + MXC_CSPICTRL);
}
-static int mx1_config(struct spi_imx_data *spi_imx,
+static int __maybe_unused mx1_config(struct spi_imx_data *spi_imx,
struct spi_imx_config *config)
{
unsigned int reg = MX1_CSPICTRL_ENABLE | MX1_CSPICTRL_MASTER;
@@ -350,11 +520,73 @@ static int mx1_config(struct spi_imx_data *spi_imx,
return 0;
}
-static int mx1_rx_available(struct spi_imx_data *spi_imx)
+static int __maybe_unused mx1_rx_available(struct spi_imx_data *spi_imx)
{
return readl(spi_imx->base + MXC_CSPIINT) & MX1_INTREG_RR;
}
+static void __maybe_unused mx1_reset(struct spi_imx_data *spi_imx)
+{
+ writel(1, spi_imx->base + MXC_RESET);
+}
+
+/*
+ * These version numbers are taken from the Freescale driver. Unfortunately it
+ * doesn't support i.MX1, so this entry doesn't match the scheme. :-(
+ */
+static struct spi_imx_devtype_data spi_imx_devtype_data[] __devinitdata = {
+#ifdef CONFIG_SPI_IMX_VER_IMX1
+ [SPI_IMX_VER_IMX1] = {
+ .intctrl = mx1_intctrl,
+ .config = mx1_config,
+ .trigger = mx1_trigger,
+ .rx_available = mx1_rx_available,
+ .reset = mx1_reset,
+ .fifosize = 8,
+ },
+#endif
+#ifdef CONFIG_SPI_IMX_VER_0_0
+ [SPI_IMX_VER_0_0] = {
+ .intctrl = mx27_intctrl,
+ .config = mx27_config,
+ .trigger = mx27_trigger,
+ .rx_available = mx27_rx_available,
+ .reset = spi_imx0_0_reset,
+ .fifosize = 8,
+ },
+#endif
+#ifdef CONFIG_SPI_IMX_VER_0_4
+ [SPI_IMX_VER_0_4] = {
+ .intctrl = mx31_intctrl,
+ .config = spi_imx0_4_config,
+ .trigger = mx31_trigger,
+ .rx_available = mx31_rx_available,
+ .reset = spi_imx0_4_reset,
+ .fifosize = 8,
+ },
+#endif
+#ifdef CONFIG_SPI_IMX_VER_0_7
+ [SPI_IMX_VER_0_7] = {
+ .intctrl = mx31_intctrl,
+ .config = spi_imx0_7_config,
+ .trigger = mx31_trigger,
+ .rx_available = mx31_rx_available,
+ .reset = spi_imx0_4_reset,
+ .fifosize = 8,
+ },
+#endif
+#ifdef CONFIG_SPI_IMX_VER_2_3
+ [SPI_IMX_VER_2_3] = {
+ .intctrl = spi_imx2_3_intctrl,
+ .config = spi_imx2_3_config,
+ .trigger = spi_imx2_3_trigger,
+ .rx_available = spi_imx2_3_rx_available,
+ .reset = spi_imx2_3_reset,
+ .fifosize = 64,
+ },
+#endif
+};
+
static void spi_imx_chipselect(struct spi_device *spi, int is_active)
{
struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master);
@@ -370,21 +602,21 @@ static void spi_imx_chipselect(struct spi_device *spi, int is_active)
static void spi_imx_push(struct spi_imx_data *spi_imx)
{
- while (spi_imx->txfifo < 8) {
+ while (spi_imx->txfifo < spi_imx->devtype_data.fifosize) {
if (!spi_imx->count)
break;
spi_imx->tx(spi_imx);
spi_imx->txfifo++;
}
- spi_imx->trigger(spi_imx);
+ spi_imx->devtype_data.trigger(spi_imx);
}
static irqreturn_t spi_imx_isr(int irq, void *dev_id)
{
struct spi_imx_data *spi_imx = dev_id;
- while (spi_imx->rx_available(spi_imx)) {
+ while (spi_imx->devtype_data.rx_available(spi_imx)) {
spi_imx->rx(spi_imx);
spi_imx->txfifo--;
}
@@ -398,11 +630,12 @@ static irqreturn_t spi_imx_isr(int irq, void *dev_id)
/* No data left to push, but still waiting for rx data,
* enable receive data available interrupt.
*/
- spi_imx->intctrl(spi_imx, MXC_INT_RR);
+ spi_imx->devtype_data.intctrl(
+ spi_imx, MXC_INT_RR);
return IRQ_HANDLED;
}
- spi_imx->intctrl(spi_imx, 0);
+ spi_imx->devtype_data.intctrl(spi_imx, 0);
complete(&spi_imx->xfer_done);
return IRQ_HANDLED;
@@ -417,7 +650,7 @@ static int spi_imx_setupxfer(struct spi_device *spi,
config.bpw = t ? t->bits_per_word : spi->bits_per_word;
config.speed_hz = t ? t->speed_hz : spi->max_speed_hz;
config.mode = spi->mode;
- config.cs = spi_imx->chipselect[spi->chip_select];
+ config.cs = spi->chip_select;
if (!config.speed_hz)
config.speed_hz = spi->max_speed_hz;
@@ -439,7 +672,7 @@ static int spi_imx_setupxfer(struct spi_device *spi,
} else
BUG();
- spi_imx->config(spi_imx, &config);
+ spi_imx->devtype_data.config(spi_imx, &config);
return 0;
}
@@ -458,7 +691,7 @@ static int spi_imx_transfer(struct spi_device *spi,
spi_imx_push(spi_imx);
- spi_imx->intctrl(spi_imx, MXC_INT_TE);
+ spi_imx->devtype_data.intctrl(spi_imx, MXC_INT_TE);
wait_for_completion(&spi_imx->xfer_done);
@@ -485,6 +718,39 @@ static void spi_imx_cleanup(struct spi_device *spi)
{
}
+static struct platform_device_id spi_imx_devtype[] = {
+ {
+ .name = DRIVER_NAME,
+ .driver_data = SPI_IMX_VER_AUTODETECT,
+ }, {
+ .name = "imx1-cspi",
+ .driver_data = SPI_IMX_VER_IMX1,
+ }, {
+ .name = "imx21-cspi",
+ .driver_data = SPI_IMX_VER_0_0,
+ }, {
+ .name = "imx25-cspi",
+ .driver_data = SPI_IMX_VER_0_7,
+ }, {
+ .name = "imx27-cspi",
+ .driver_data = SPI_IMX_VER_0_0,
+ }, {
+ .name = "imx31-cspi",
+ .driver_data = SPI_IMX_VER_0_4,
+ }, {
+ .name = "imx35-cspi",
+ .driver_data = SPI_IMX_VER_0_7,
+ }, {
+ .name = "imx51-cspi",
+ .driver_data = SPI_IMX_VER_0_7,
+ }, {
+ .name = "imx51-ecspi",
+ .driver_data = SPI_IMX_VER_2_3,
+ }, {
+ /* sentinel */
+ }
+};
+
static int __devinit spi_imx_probe(struct platform_device *pdev)
{
struct spi_imx_master *mxc_platform_info;
@@ -536,6 +802,31 @@ static int __devinit spi_imx_probe(struct platform_device *pdev)
init_completion(&spi_imx->xfer_done);
+ if (pdev->id_entry->driver_data == SPI_IMX_VER_AUTODETECT) {
+ if (cpu_is_mx25() || cpu_is_mx35())
+ spi_imx->devtype_data =
+ spi_imx_devtype_data[SPI_IMX_VER_0_7];
+ else if (cpu_is_mx25() || cpu_is_mx31() || cpu_is_mx35())
+ spi_imx->devtype_data =
+ spi_imx_devtype_data[SPI_IMX_VER_0_4];
+ else if (cpu_is_mx27() || cpu_is_mx21())
+ spi_imx->devtype_data =
+ spi_imx_devtype_data[SPI_IMX_VER_0_0];
+ else if (cpu_is_mx1())
+ spi_imx->devtype_data =
+ spi_imx_devtype_data[SPI_IMX_VER_IMX1];
+ else
+ BUG();
+ } else
+ spi_imx->devtype_data =
+ spi_imx_devtype_data[pdev->id_entry->driver_data];
+
+ if (!spi_imx->devtype_data.intctrl) {
+ dev_err(&pdev->dev, "no support for this device compiled in\n");
+ ret = -ENODEV;
+ goto out_gpio_free;
+ }
+
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(&pdev->dev, "can't get platform resource\n");
@@ -567,24 +858,6 @@ static int __devinit spi_imx_probe(struct platform_device *pdev)
goto out_iounmap;
}
- if (cpu_is_mx25() || cpu_is_mx31() || cpu_is_mx35()) {
- spi_imx->intctrl = mx31_intctrl;
- spi_imx->config = mx31_config;
- spi_imx->trigger = mx31_trigger;
- spi_imx->rx_available = mx31_rx_available;
- } else if (cpu_is_mx27() || cpu_is_mx21()) {
- spi_imx->intctrl = mx27_intctrl;
- spi_imx->config = mx27_config;
- spi_imx->trigger = mx27_trigger;
- spi_imx->rx_available = mx27_rx_available;
- } else if (cpu_is_mx1()) {
- spi_imx->intctrl = mx1_intctrl;
- spi_imx->config = mx1_config;
- spi_imx->trigger = mx1_trigger;
- spi_imx->rx_available = mx1_rx_available;
- } else
- BUG();
-
spi_imx->clk = clk_get(&pdev->dev, NULL);
if (IS_ERR(spi_imx->clk)) {
dev_err(&pdev->dev, "unable to get clock\n");
@@ -595,15 +868,9 @@ static int __devinit spi_imx_probe(struct platform_device *pdev)
clk_enable(spi_imx->clk);
spi_imx->spi_clk = clk_get_rate(spi_imx->clk);
- if (cpu_is_mx1() || cpu_is_mx21() || cpu_is_mx27())
- writel(1, spi_imx->base + MXC_RESET);
-
- /* drain receive buffer */
- if (cpu_is_mx25() || cpu_is_mx31() || cpu_is_mx35())
- while (readl(spi_imx->base + MX3_CSPISTAT) & MX3_CSPISTAT_RR)
- readl(spi_imx->base + MXC_CSPIRXDATA);
+ spi_imx->devtype_data.reset(spi_imx);
- spi_imx->intctrl(spi_imx, 0);
+ spi_imx->devtype_data.intctrl(spi_imx, 0);
ret = spi_bitbang_start(&spi_imx->bitbang);
if (ret) {
@@ -668,6 +935,7 @@ static struct platform_driver spi_imx_driver = {
.name = DRIVER_NAME,
.owner = THIS_MODULE,
},
+ .id_table = spi_imx_devtype,
.probe = spi_imx_probe,
.remove = __devexit_p(spi_imx_remove),
};
diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c
index 41816389477..afef7b0a419 100644
--- a/drivers/usb/host/ohci-pxa27x.c
+++ b/drivers/usb/host/ohci-pxa27x.c
@@ -24,6 +24,7 @@
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <mach/ohci.h>
+#include <mach/pxa3xx-u2d.h>
/*
* UHC: USB Host Controller (OHCI-like) register definitions
@@ -235,6 +236,9 @@ static int pxa27x_start_hc(struct pxa27x_ohci *ohci, struct device *dev)
if (retval < 0)
return retval;
+ if (cpu_is_pxa3xx())
+ pxa3xx_u2d_start_hc(&ohci_to_hcd(&ohci->ohci)->self);
+
uhchr = __raw_readl(ohci->mmio_base + UHCHR) & ~UHCHR_SSE;
__raw_writel(uhchr, ohci->mmio_base + UHCHR);
__raw_writel(UHCHIE_UPRIE | UHCHIE_RWIE, ohci->mmio_base + UHCHIE);
@@ -251,6 +255,9 @@ static void pxa27x_stop_hc(struct pxa27x_ohci *ohci, struct device *dev)
inf = dev->platform_data;
+ if (cpu_is_pxa3xx())
+ pxa3xx_u2d_stop_hc(&ohci_to_hcd(&ohci->ohci)->self);
+
if (inf->exit)
inf->exit(dev);
diff --git a/drivers/video/pxa168fb.c b/drivers/video/pxa168fb.c
index a31a77ff6f3..cea6403ae71 100644
--- a/drivers/video/pxa168fb.c
+++ b/drivers/video/pxa168fb.c
@@ -784,12 +784,53 @@ failed:
return ret;
}
+static int __devexit pxa168fb_remove(struct platform_device *pdev)
+{
+ struct pxa168fb_info *fbi = platform_get_drvdata(pdev);
+ struct fb_info *info;
+ int irq;
+ unsigned int data;
+
+ if (!fbi)
+ return 0;
+
+ /* disable DMA transfer */
+ data = readl(fbi->reg_base + LCD_SPU_DMA_CTRL0);
+ data &= ~CFG_GRA_ENA_MASK;
+ writel(data, fbi->reg_base + LCD_SPU_DMA_CTRL0);
+
+ info = fbi->info;
+
+ unregister_framebuffer(info);
+
+ writel(GRA_FRAME_IRQ0_ENA(0x0), fbi->reg_base + SPU_IRQ_ENA);
+
+ if (info->cmap.len)
+ fb_dealloc_cmap(&info->cmap);
+
+ irq = platform_get_irq(pdev, 0);
+ free_irq(irq, fbi);
+
+ dma_free_writecombine(fbi->dev, PAGE_ALIGN(info->fix.smem_len),
+ info->screen_base, info->fix.smem_start);
+
+ iounmap(fbi->reg_base);
+
+ clk_disable(fbi->clk);
+ clk_put(fbi->clk);
+
+ framebuffer_release(info);
+
+ return 0;
+}
+
static struct platform_driver pxa168fb_driver = {
.driver = {
.name = "pxa168-fb",
.owner = THIS_MODULE,
},
.probe = pxa168fb_probe,
+ .remove = __devexit_p(pxa168fb_remove),
};
static int __init pxa168fb_init(void)
@@ -798,6 +839,12 @@ static int __init pxa168fb_init(void)
}
module_init(pxa168fb_init);
+static void __exit pxa168fb_exit(void)
+{
+ platform_driver_unregister(&pxa168fb_driver);
+}
+module_exit(pxa168fb_exit);
+
MODULE_AUTHOR("Lennert Buytenhek <buytenh@marvell.com> "
"Green Wan <gwan@marvell.com>");
MODULE_DESCRIPTION("Framebuffer driver for PXA168/910");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-19 17:31:47 +0000