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authorArnd Bergmann <arnd@arndb.de>2012-02-27 17:22:36 +0000
committerArnd Bergmann <arnd@arndb.de>2012-02-29 12:03:08 +0000
commit7eca30aef7961e68ad74c0ef920546c2be7f6579 (patch)
treed7161459a86134bee58b8a0980a15b66839467aa /drivers
parentd65b4e98d7ea3038b767b70fe8be959b2913f16d (diff)
parentd5e5a7f987458f42f24a557a0f4e35f94c43fc09 (diff)
Merge branch 'at91-3.4-base2+cleanup' of git://github.com/at91linux/linux-at91 into at91/staging/base2+cleanup
* 'at91-3.4-base2+cleanup' of git://github.com/at91linux/linux-at91: (20 commits) ARM: at91: properly sort dtb files in Makefile.boot ARM: at91: add at91sam9g25ek.dts in Makefile.boot ARM: at91/board-dt: drop default console Atmel: move console default platform_device to serial driver ARM: at91: merge SRAM Memory banks thanks to mirroring ARM: at91: finally drop at91_sys_read/write ARM: at91/rtc-at91sam9: pass the GPBR to use via resources ARM: at91:rtc/rtc-at91sam9: ioremap register bank ARM: at91/rtc-at91sam9: each SoC can select the RTT device to use ARM: at91/PMC: make register base soc independent ARM: at91/PMC: move assignment out of printf ARM: at91/pm_slowclock: add runtime detection of memory contoller ARM: at91: make sdram/ddr register base soc independent ARM: at91: move at91rm9200 sdramc defines to at91rm9200_sdramc.h ARM: at91/pm_slowclock: function slow_clock() accepts parameters ARM: at91/pm_slowclock: rename register to named define ARM: at91/ST: remove not needed casts ARM: at91: make ST (System Timer) soc independent ARM: at91: make matrix register base soc independent ARM: at91/at91x40: remove use of at91_sys_read/write Based on top of the at91/9x5, rmk/for-armsoc, at91/device-board, at91/pm_cleanup and at91/base. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/amba/bus.c105
-rw-r--r--drivers/mmc/host/at91_mci.c1
-rw-r--r--drivers/mmc/host/mmci.c2
-rw-r--r--drivers/of/platform.c6
-rw-r--r--drivers/pcmcia/at91_cf.c5
-rw-r--r--drivers/rtc/rtc-at91sam9.c98
-rw-r--r--drivers/tty/serial/atmel_serial.c2
-rw-r--r--drivers/usb/gadget/Kconfig4
-rw-r--r--drivers/usb/gadget/at91_udc.c9
-rw-r--r--drivers/usb/gadget/atmel_usba_udc.c6
-rw-r--r--drivers/watchdog/at91rm9200_wdt.c8
11 files changed, 140 insertions, 106 deletions
diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c
index 54eaf96ab217..01c2cf4efcdd 100644
--- a/drivers/amba/bus.c
+++ b/drivers/amba/bus.c
@@ -497,37 +497,22 @@ static void amba_device_release(struct device *dev)
}
/**
- * amba_device_register - register an AMBA device
- * @dev: AMBA device to register
- * @parent: parent memory resource
+ * amba_device_add - add a previously allocated AMBA device structure
+ * @dev: AMBA device allocated by amba_device_alloc
+ * @parent: resource parent for this devices resources
*
- * Setup the AMBA device, reading the cell ID if present.
- * Claim the resource, and register the AMBA device with
- * the Linux device manager.
+ * Claim the resource, and read the device cell ID if not already
+ * initialized. Register the AMBA device with the Linux device
+ * manager.
*/
-int amba_device_register(struct amba_device *dev, struct resource *parent)
+int amba_device_add(struct amba_device *dev, struct resource *parent)
{
u32 size;
void __iomem *tmp;
int i, ret;
- device_initialize(&dev->dev);
-
- /*
- * Copy from device_add
- */
- if (dev->dev.init_name) {
- dev_set_name(&dev->dev, "%s", dev->dev.init_name);
- dev->dev.init_name = NULL;
- }
-
- dev->dev.release = amba_device_release;
- dev->dev.bus = &amba_bustype;
- dev->dev.dma_mask = &dev->dma_mask;
- dev->res.name = dev_name(&dev->dev);
-
- if (!dev->dev.coherent_dma_mask && dev->dma_mask)
- dev_warn(&dev->dev, "coherent dma mask is unset\n");
+ WARN_ON(dev->irq[0] == (unsigned int)-1);
+ WARN_ON(dev->irq[1] == (unsigned int)-1);
ret = request_resource(parent, &dev->res);
if (ret)
@@ -582,9 +567,9 @@ int amba_device_register(struct amba_device *dev, struct resource *parent)
if (ret)
goto err_release;
- if (dev->irq[0] != NO_IRQ)
+ if (dev->irq[0] && dev->irq[0] != NO_IRQ)
ret = device_create_file(&dev->dev, &dev_attr_irq0);
- if (ret == 0 && dev->irq[1] != NO_IRQ)
+ if (ret == 0 && dev->irq[1] && dev->irq[1] != NO_IRQ)
ret = device_create_file(&dev->dev, &dev_attr_irq1);
if (ret == 0)
return ret;
@@ -596,6 +581,74 @@ int amba_device_register(struct amba_device *dev, struct resource *parent)
err_out:
return ret;
}
+EXPORT_SYMBOL_GPL(amba_device_add);
+
+static void amba_device_initialize(struct amba_device *dev, const char *name)
+{
+ device_initialize(&dev->dev);
+ if (name)
+ dev_set_name(&dev->dev, "%s", name);
+ dev->dev.release = amba_device_release;
+ dev->dev.bus = &amba_bustype;
+ dev->dev.dma_mask = &dev->dma_mask;
+ dev->res.name = dev_name(&dev->dev);
+}
+
+/**
+ * amba_device_alloc - allocate an AMBA device
+ * @name: sysfs name of the AMBA device
+ * @base: base of AMBA device
+ * @size: size of AMBA device
+ *
+ * Allocate and initialize an AMBA device structure. Returns %NULL
+ * on failure.
+ */
+struct amba_device *amba_device_alloc(const char *name, resource_size_t base,
+ size_t size)
+{
+ struct amba_device *dev;
+
+ dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+ if (dev) {
+ amba_device_initialize(dev, name);
+ dev->res.start = base;
+ dev->res.end = base + size - 1;
+ dev->res.flags = IORESOURCE_MEM;
+ }
+
+ return dev;
+}
+EXPORT_SYMBOL_GPL(amba_device_alloc);
+
+/**
+ * amba_device_register - register an AMBA device
+ * @dev: AMBA device to register
+ * @parent: parent memory resource
+ *
+ * Setup the AMBA device, reading the cell ID if present.
+ * Claim the resource, and register the AMBA device with
+ * the Linux device manager.
+ */
+int amba_device_register(struct amba_device *dev, struct resource *parent)
+{
+ amba_device_initialize(dev, dev->dev.init_name);
+ dev->dev.init_name = NULL;
+
+ if (!dev->dev.coherent_dma_mask && dev->dma_mask)
+ dev_warn(&dev->dev, "coherent dma mask is unset\n");
+
+ return amba_device_add(dev, parent);
+}
+
+/**
+ * amba_device_put - put an AMBA device
+ * @dev: AMBA device to put
+ */
+void amba_device_put(struct amba_device *dev)
+{
+ put_device(&dev->dev);
+}
+EXPORT_SYMBOL_GPL(amba_device_put);
/**
* amba_device_unregister - unregister an AMBA device
diff --git a/drivers/mmc/host/at91_mci.c b/drivers/mmc/host/at91_mci.c
index 947faa5d2ce4..efdb81d21c44 100644
--- a/drivers/mmc/host/at91_mci.c
+++ b/drivers/mmc/host/at91_mci.c
@@ -86,7 +86,6 @@ static inline int at91mci_is_mci1rev2xx(void)
{
return ( cpu_is_at91sam9260()
|| cpu_is_at91sam9263()
- || cpu_is_at91cap9()
|| cpu_is_at91sam9rl()
|| cpu_is_at91sam9g10()
|| cpu_is_at91sam9g20()
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 0d955ffaf44e..304f2f98b680 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -1325,7 +1325,7 @@ static int __devinit mmci_probe(struct amba_device *dev,
if (ret)
goto unmap;
- if (dev->irq[1] == NO_IRQ)
+ if (dev->irq[1] == NO_IRQ || !dev->irq[1])
host->singleirq = true;
else {
ret = request_irq(dev->irq[1], mmci_pio_irq, IRQF_SHARED,
diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index 63b3ec48c203..cae9477a6ed3 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -253,7 +253,7 @@ static struct amba_device *of_amba_device_create(struct device_node *node,
if (!of_device_is_available(node))
return NULL;
- dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+ dev = amba_device_alloc(NULL, 0, 0);
if (!dev)
return NULL;
@@ -283,14 +283,14 @@ static struct amba_device *of_amba_device_create(struct device_node *node,
if (ret)
goto err_free;
- ret = amba_device_register(dev, &iomem_resource);
+ ret = amba_device_add(dev, &iomem_resource);
if (ret)
goto err_free;
return dev;
err_free:
- kfree(dev);
+ amba_device_put(dev);
return NULL;
}
#else /* CONFIG_ARM_AMBA */
diff --git a/drivers/pcmcia/at91_cf.c b/drivers/pcmcia/at91_cf.c
index 4902206f53d9..1dd68f502634 100644
--- a/drivers/pcmcia/at91_cf.c
+++ b/drivers/pcmcia/at91_cf.c
@@ -26,6 +26,7 @@
#include <mach/board.h>
#include <mach/at91rm9200_mc.h>
+#include <mach/at91_ramc.h>
/*
@@ -156,7 +157,7 @@ static int at91_cf_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io)
/*
* Use 16 bit accesses unless/until we need 8-bit i/o space.
*/
- csr = at91_sys_read(AT91_SMC_CSR(cf->board->chipselect)) & ~AT91_SMC_DBW;
+ csr = at91_ramc_read(0, AT91_SMC_CSR(cf->board->chipselect)) & ~AT91_SMC_DBW;
/*
* NOTE: this CF controller ignores IOIS16, so we can't really do
@@ -175,7 +176,7 @@ static int at91_cf_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io)
csr |= AT91_SMC_DBW_16;
pr_debug("%s: 16bit i/o bus\n", driver_name);
}
- at91_sys_write(AT91_SMC_CSR(cf->board->chipselect), csr);
+ at91_ramc_write(0, AT91_SMC_CSR(cf->board->chipselect), csr);
io->start = cf->socket.io_offset;
io->stop = io->start + SZ_2K - 1;
diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c
index a3ad957507dc..729fb843a2fc 100644
--- a/drivers/rtc/rtc-at91sam9.c
+++ b/drivers/rtc/rtc-at91sam9.c
@@ -57,6 +57,7 @@ struct sam9_rtc {
void __iomem *rtt;
struct rtc_device *rtcdev;
u32 imr;
+ void __iomem *gpbr;
};
#define rtt_readl(rtc, field) \
@@ -65,9 +66,9 @@ struct sam9_rtc {
__raw_writel((val), (rtc)->rtt + AT91_RTT_ ## field)
#define gpbr_readl(rtc) \
- at91_sys_read(AT91_GPBR + 4 * CONFIG_RTC_DRV_AT91SAM9_GPBR)
+ __raw_readl((rtc)->gpbr)
#define gpbr_writel(rtc, val) \
- at91_sys_write(AT91_GPBR + 4 * CONFIG_RTC_DRV_AT91SAM9_GPBR, (val))
+ __raw_writel((val), (rtc)->gpbr)
/*
* Read current time and date in RTC
@@ -287,16 +288,19 @@ static const struct rtc_class_ops at91_rtc_ops = {
/*
* Initialize and install RTC driver
*/
-static int __init at91_rtc_probe(struct platform_device *pdev)
+static int __devinit at91_rtc_probe(struct platform_device *pdev)
{
- struct resource *r;
+ struct resource *r, *r_gpbr;
struct sam9_rtc *rtc;
int ret;
u32 mr;
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!r)
+ r_gpbr = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ if (!r || !r_gpbr) {
+ dev_err(&pdev->dev, "need 2 ressources\n");
return -ENODEV;
+ }
rtc = kzalloc(sizeof *rtc, GFP_KERNEL);
if (!rtc)
@@ -307,8 +311,19 @@ static int __init at91_rtc_probe(struct platform_device *pdev)
device_init_wakeup(&pdev->dev, 1);
platform_set_drvdata(pdev, rtc);
- rtc->rtt = (void __force __iomem *) (AT91_VA_BASE_SYS - AT91_BASE_SYS);
- rtc->rtt += r->start;
+ rtc->rtt = ioremap(r->start, resource_size(r));
+ if (!rtc->rtt) {
+ dev_err(&pdev->dev, "failed to map registers, aborting.\n");
+ ret = -ENOMEM;
+ goto fail;
+ }
+
+ rtc->gpbr = ioremap(r_gpbr->start, resource_size(r_gpbr));
+ if (!rtc->gpbr) {
+ dev_err(&pdev->dev, "failed to map gpbr registers, aborting.\n");
+ ret = -ENOMEM;
+ goto fail_gpbr;
+ }
mr = rtt_readl(rtc, MR);
@@ -326,7 +341,7 @@ static int __init at91_rtc_probe(struct platform_device *pdev)
&at91_rtc_ops, THIS_MODULE);
if (IS_ERR(rtc->rtcdev)) {
ret = PTR_ERR(rtc->rtcdev);
- goto fail;
+ goto fail_register;
}
/* register irq handler after we know what name we'll use */
@@ -336,7 +351,7 @@ static int __init at91_rtc_probe(struct platform_device *pdev)
if (ret) {
dev_dbg(&pdev->dev, "can't share IRQ %d?\n", AT91_ID_SYS);
rtc_device_unregister(rtc->rtcdev);
- goto fail;
+ goto fail_register;
}
/* NOTE: sam9260 rev A silicon has a ROM bug which resets the
@@ -351,6 +366,10 @@ static int __init at91_rtc_probe(struct platform_device *pdev)
return 0;
+fail_register:
+ iounmap(rtc->gpbr);
+fail_gpbr:
+ iounmap(rtc->rtt);
fail:
platform_set_drvdata(pdev, NULL);
kfree(rtc);
@@ -360,7 +379,7 @@ fail:
/*
* Disable and remove the RTC driver
*/
-static int __exit at91_rtc_remove(struct platform_device *pdev)
+static int __devexit at91_rtc_remove(struct platform_device *pdev)
{
struct sam9_rtc *rtc = platform_get_drvdata(pdev);
u32 mr = rtt_readl(rtc, MR);
@@ -371,6 +390,8 @@ static int __exit at91_rtc_remove(struct platform_device *pdev)
rtc_device_unregister(rtc->rtcdev);
+ iounmap(rtc->gpbr);
+ iounmap(rtc->rtt);
platform_set_drvdata(pdev, NULL);
kfree(rtc);
return 0;
@@ -433,63 +454,20 @@ static int at91_rtc_resume(struct platform_device *pdev)
#endif
static struct platform_driver at91_rtc_driver = {
- .driver.name = "rtc-at91sam9",
- .driver.owner = THIS_MODULE,
- .remove = __exit_p(at91_rtc_remove),
+ .probe = at91_rtc_probe,
+ .remove = __devexit_p(at91_rtc_remove),
.shutdown = at91_rtc_shutdown,
.suspend = at91_rtc_suspend,
.resume = at91_rtc_resume,
+ .driver = {
+ .name = "rtc-at91sam9",
+ .owner = THIS_MODULE,
+ },
};
-/* Chips can have more than one RTT module, and they can be used for more
- * than just RTCs. So we can't just register as "the" RTT driver.
- *
- * A normal approach in such cases is to create a library to allocate and
- * free the modules. Here we just use bus_find_device() as like such a
- * library, binding directly ... no runtime "library" footprint is needed.
- */
-static int __init at91_rtc_match(struct device *dev, void *v)
-{
- struct platform_device *pdev = to_platform_device(dev);
- int ret;
-
- /* continue searching if this isn't the RTT we need */
- if (strcmp("at91_rtt", pdev->name) != 0
- || pdev->id != CONFIG_RTC_DRV_AT91SAM9_RTT)
- goto fail;
-
- /* else we found it ... but fail unless we can bind to the RTC driver */
- if (dev->driver) {
- dev_dbg(dev, "busy, can't use as RTC!\n");
- goto fail;
- }
- dev->driver = &at91_rtc_driver.driver;
- if (device_attach(dev) == 0) {
- dev_dbg(dev, "can't attach RTC!\n");
- goto fail;
- }
- ret = at91_rtc_probe(pdev);
- if (ret == 0)
- return true;
-
- dev_dbg(dev, "RTC probe err %d!\n", ret);
-fail:
- return false;
-}
-
static int __init at91_rtc_init(void)
{
- int status;
- struct device *rtc;
-
- status = platform_driver_register(&at91_rtc_driver);
- if (status)
- return status;
- rtc = bus_find_device(&platform_bus_type, NULL,
- NULL, at91_rtc_match);
- if (!rtc)
- platform_driver_unregister(&at91_rtc_driver);
- return rtc ? 0 : -ENODEV;
+ return platform_driver_register(&at91_rtc_driver);
}
module_init(at91_rtc_init);
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index 10605ecc99ab..f9a6be7a9bed 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -1526,6 +1526,8 @@ void __init atmel_register_uart_fns(struct atmel_port_fns *fns)
atmel_pops.set_wake = fns->set_wake;
}
+struct platform_device *atmel_default_console_device; /* the serial console device */
+
#ifdef CONFIG_SERIAL_ATMEL_CONSOLE
static void atmel_console_putchar(struct uart_port *port, int ch)
{
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index 7ecb68a67411..85ae4b46bb68 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -137,7 +137,7 @@ choice
config USB_AT91
tristate "Atmel AT91 USB Device Port"
- depends on ARCH_AT91 && !ARCH_AT91SAM9RL && !ARCH_AT91CAP9 && !ARCH_AT91SAM9G45
+ depends on ARCH_AT91 && !ARCH_AT91SAM9RL && !ARCH_AT91SAM9G45
help
Many Atmel AT91 processors (such as the AT91RM2000) have a
full speed USB Device Port with support for five configurable
@@ -150,7 +150,7 @@ config USB_AT91
config USB_ATMEL_USBA
tristate "Atmel USBA"
select USB_GADGET_DUALSPEED
- depends on AVR32 || ARCH_AT91CAP9 || ARCH_AT91SAM9RL || ARCH_AT91SAM9G45
+ depends on AVR32 || ARCH_AT91SAM9RL || ARCH_AT91SAM9G45
help
USBA is the integrated high-speed USB Device controller on
the AT32AP700x, some AT91SAM9 and AT91CAP9 processors from Atmel.
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index 143a7256b598..f99b3dc745bd 100644
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -41,6 +41,7 @@
#include <mach/board.h>
#include <mach/cpu.h>
#include <mach/at91sam9261_matrix.h>
+#include <mach/at91_matrix.h>
#include "at91_udc.h"
@@ -910,9 +911,9 @@ static void pullup(struct at91_udc *udc, int is_on)
} else if (cpu_is_at91sam9261() || cpu_is_at91sam9g10()) {
u32 usbpucr;
- usbpucr = at91_sys_read(AT91_MATRIX_USBPUCR);
+ usbpucr = at91_matrix_read(AT91_MATRIX_USBPUCR);
usbpucr |= AT91_MATRIX_USBPUCR_PUON;
- at91_sys_write(AT91_MATRIX_USBPUCR, usbpucr);
+ at91_matrix_write(AT91_MATRIX_USBPUCR, usbpucr);
}
} else {
stop_activity(udc);
@@ -928,9 +929,9 @@ static void pullup(struct at91_udc *udc, int is_on)
} else if (cpu_is_at91sam9261() || cpu_is_at91sam9g10()) {
u32 usbpucr;
- usbpucr = at91_sys_read(AT91_MATRIX_USBPUCR);
+ usbpucr = at91_matrix_read(AT91_MATRIX_USBPUCR);
usbpucr &= ~AT91_MATRIX_USBPUCR_PUON;
- at91_sys_write(AT91_MATRIX_USBPUCR, usbpucr);
+ at91_matrix_write(AT91_MATRIX_USBPUCR, usbpucr);
}
clk_off(udc);
}
diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
index e2fb6d583bd9..ce9dffb0515d 100644
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@@ -332,12 +332,12 @@ static int vbus_is_present(struct usba_udc *udc)
static void toggle_bias(int is_on)
{
- unsigned int uckr = at91_sys_read(AT91_CKGR_UCKR);
+ unsigned int uckr = at91_pmc_read(AT91_CKGR_UCKR);
if (is_on)
- at91_sys_write(AT91_CKGR_UCKR, uckr | AT91_PMC_BIASEN);
+ at91_pmc_write(AT91_CKGR_UCKR, uckr | AT91_PMC_BIASEN);
else
- at91_sys_write(AT91_CKGR_UCKR, uckr & ~(AT91_PMC_BIASEN));
+ at91_pmc_write(AT91_CKGR_UCKR, uckr & ~(AT91_PMC_BIASEN));
}
#else
diff --git a/drivers/watchdog/at91rm9200_wdt.c b/drivers/watchdog/at91rm9200_wdt.c
index b3046dc4b56c..7ceefd29ae14 100644
--- a/drivers/watchdog/at91rm9200_wdt.c
+++ b/drivers/watchdog/at91rm9200_wdt.c
@@ -51,7 +51,7 @@ static unsigned long at91wdt_busy;
*/
static inline void at91_wdt_stop(void)
{
- at91_sys_write(AT91_ST_WDMR, AT91_ST_EXTEN);
+ at91_st_write(AT91_ST_WDMR, AT91_ST_EXTEN);
}
/*
@@ -59,9 +59,9 @@ static inline void at91_wdt_stop(void)
*/
static inline void at91_wdt_start(void)
{
- at91_sys_write(AT91_ST_WDMR, AT91_ST_EXTEN | AT91_ST_RSTEN |
+ at91_st_write(AT91_ST_WDMR, AT91_ST_EXTEN | AT91_ST_RSTEN |
(((65536 * wdt_time) >> 8) & AT91_ST_WDV));
- at91_sys_write(AT91_ST_CR, AT91_ST_WDRST);
+ at91_st_write(AT91_ST_CR, AT91_ST_WDRST);
}
/*
@@ -69,7 +69,7 @@ static inline void at91_wdt_start(void)
*/
static inline void at91_wdt_reload(void)
{
- at91_sys_write(AT91_ST_CR, AT91_ST_WDRST);
+ at91_st_write(AT91_ST_CR, AT91_ST_WDRST);
}
/* ......................................................................... */