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-rw-r--r--arch/arm/mach-sa1100/Kconfig13
-rw-r--r--arch/arm/mach-sa1100/Makefile2
-rw-r--r--arch/arm/mach-sa1100/jornada720.c27
-rw-r--r--arch/arm/mach-sa1100/neponset.c17
-rw-r--r--arch/arm/mach-sa1100/pm.c9
-rw-r--r--arch/arm/mach-sa1100/time.c24
6 files changed, 34 insertions, 58 deletions
diff --git a/arch/arm/mach-sa1100/Kconfig b/arch/arm/mach-sa1100/Kconfig
index cd67ab1b217b..f99d9013905f 100644
--- a/arch/arm/mach-sa1100/Kconfig
+++ b/arch/arm/mach-sa1100/Kconfig
@@ -101,6 +101,16 @@ config SA1100_JORNADA720
handheld computer. See <http://www.hp.com/jornada/products/720>
for details.
+config SA1100_JORNADA720_SSP
+ bool "HP Jornada 720 Extended SSP driver"
+ select SA1100_SSP
+ depends on SA1100_JORNADA720
+ help
+ Say Y here if you have a HP Jornada 7xx handheld computer and you
+ want to access devices connected to the MCU. Those include the
+ keyboard, touchscreen, backlight and battery. This driver also activates
+ the generic SSP which it extends.
+
config SA1100_HACKKIT
bool "HackKit Core CPU Board"
help
@@ -145,8 +155,7 @@ config SA1100_SSP
help
Say Y here to enable support for the generic PIO SSP driver.
This isn't for audio support, but for attached sensors and
- other devices, eg for BadgePAD 4 sensor support, or Jornada
- 720 touchscreen support.
+ other devices, eg for BadgePAD 4 sensor support.
config H3600_SLEEVE
tristate "Compaq iPAQ Handheld sleeve support"
diff --git a/arch/arm/mach-sa1100/Makefile b/arch/arm/mach-sa1100/Makefile
index e27f15042a22..7a61e8d33ab7 100644
--- a/arch/arm/mach-sa1100/Makefile
+++ b/arch/arm/mach-sa1100/Makefile
@@ -31,6 +31,7 @@ obj-$(CONFIG_SA1100_HACKKIT) += hackkit.o
led-$(CONFIG_SA1100_HACKKIT) += leds-hackkit.o
obj-$(CONFIG_SA1100_JORNADA720) += jornada720.o
+obj-$(CONFIG_SA1100_JORNADA720_SSP) += jornada720_ssp.o
obj-$(CONFIG_SA1100_LART) += lart.o
led-$(CONFIG_SA1100_LART) += leds-lart.o
@@ -51,3 +52,4 @@ obj-$(CONFIG_LEDS) += $(led-y)
# Miscelaneous functions
obj-$(CONFIG_PM) += pm.o sleep.o
obj-$(CONFIG_SA1100_SSP) += ssp.o
+
diff --git a/arch/arm/mach-sa1100/jornada720.c b/arch/arm/mach-sa1100/jornada720.c
index 64067cd58d36..52ac37d1e23a 100644
--- a/arch/arm/mach-sa1100/jornada720.c
+++ b/arch/arm/mach-sa1100/jornada720.c
@@ -3,6 +3,7 @@
*
* HP Jornada720 init code
*
+ * Copyright (C) 2007 Kristoffer Ericson <Kristoffer.Ericson@gmail.com>
* Copyright (C) 2006 Filip Zyzniewski <filip.zyzniewski@tefnet.pl>
* Copyright (C) 2005 Michael Gernoth <michael@gernoth.net>
*
@@ -220,14 +221,16 @@ static struct platform_device sa1111_device = {
.resource = sa1111_resources,
};
-static struct platform_device jornada720_mcu_device = {
- .name = "jornada720_mcu",
- .id = -1,
+static struct platform_device jornada_ssp_device = {
+ .name = "jornada_ssp",
+ .id = -1,
};
static struct platform_device *devices[] __initdata = {
&sa1111_device,
- &jornada720_mcu_device,
+#ifdef CONFIG_SA1100_JORNADA720_SSP
+ &jornada_ssp_device,
+#endif
&s1d13xxxfb_device,
};
@@ -236,19 +239,19 @@ static int __init jornada720_init(void)
int ret = -ENODEV;
if (machine_is_jornada720()) {
- GPDR |= GPIO_GPIO20;
- /* oscillator setup (line 116 of HP's doc) */
+ /* we want to use gpio20 as input to drive the clock of our uart 3 */
+ GPDR |= GPIO_GPIO20; /* Clear gpio20 pin as input */
TUCR = TUCR_VAL;
- /* resetting SA1111 (line 118 of HP's doc) */
- GPSR = GPIO_GPIO20;
+ GPSR = GPIO_GPIO20; /* start gpio20 pin */
udelay(1);
- GPCR = GPIO_GPIO20;
+ GPCR = GPIO_GPIO20; /* stop gpio20 */
udelay(1);
- GPSR = GPIO_GPIO20;
- udelay(20);
+ GPSR = GPIO_GPIO20; /* restart gpio20 */
+ udelay(20); /* give it some time to restart */
ret = platform_add_devices(devices, ARRAY_SIZE(devices));
}
+
return ret;
}
@@ -345,7 +348,7 @@ static void __init jornada720_mach_init(void)
}
MACHINE_START(JORNADA720, "HP Jornada 720")
- /* Maintainer: Michael Gernoth <michael@gernoth.net> */
+ /* Maintainer: Kristoffer Ericson <Kristoffer.Ericson@gmail.com> */
.phys_io = 0x80000000,
.io_pg_offst = ((0xf8000000) >> 18) & 0xfffc,
.boot_params = 0xc0000100,
diff --git a/arch/arm/mach-sa1100/neponset.c b/arch/arm/mach-sa1100/neponset.c
index 4cbf9468f654..9f1ed1509301 100644
--- a/arch/arm/mach-sa1100/neponset.c
+++ b/arch/arm/mach-sa1100/neponset.c
@@ -185,28 +185,21 @@ static int __devinit neponset_probe(struct platform_device *dev)
/*
* LDM power management.
*/
+static unsigned int neponset_saved_state;
+
static int neponset_suspend(struct platform_device *dev, pm_message_t state)
{
/*
* Save state.
*/
- if (!dev->dev.power.saved_state)
- dev->dev.power.saved_state = kmalloc(sizeof(unsigned int), GFP_KERNEL);
- if (!dev->dev.power.saved_state)
- return -ENOMEM;
-
- *(unsigned int *)dev->dev.power.saved_state = NCR_0;
+ neponset_saved_state = NCR_0;
return 0;
}
static int neponset_resume(struct platform_device *dev)
{
- if (dev->dev.power.saved_state) {
- NCR_0 = *(unsigned int *)dev->dev.power.saved_state;
- kfree(dev->dev.power.saved_state);
- dev->dev.power.saved_state = NULL;
- }
+ NCR_0 = neponset_saved_state;
return 0;
}
@@ -299,6 +292,8 @@ static struct platform_device *devices[] __initdata = {
&smc91x_device,
};
+extern void sa1110_mb_disable(void);
+
static int __init neponset_init(void)
{
platform_driver_register(&neponset_device_driver);
diff --git a/arch/arm/mach-sa1100/pm.c b/arch/arm/mach-sa1100/pm.c
index d674cf343156..01a37d3c0727 100644
--- a/arch/arm/mach-sa1100/pm.c
+++ b/arch/arm/mach-sa1100/pm.c
@@ -57,12 +57,7 @@ enum { SLEEP_SAVE_SP = 0,
static int sa11x0_pm_enter(suspend_state_t state)
{
unsigned long gpio, sleep_save[SLEEP_SAVE_SIZE];
- struct timespec delta, rtc;
- /* preserve current time */
- rtc.tv_sec = RCNR;
- rtc.tv_nsec = 0;
- save_time_delta(&delta, &rtc);
gpio = GPLR;
/* save vital registers */
@@ -119,10 +114,6 @@ static int sa11x0_pm_enter(suspend_state_t state)
*/
PSSR = PSSR_PH;
- /* restore current time */
- rtc.tv_sec = RCNR;
- restore_time_delta(&delta, &rtc);
-
return 0;
}
diff --git a/arch/arm/mach-sa1100/time.c b/arch/arm/mach-sa1100/time.c
index 29cb0c1604ab..fdf7b016e7ad 100644
--- a/arch/arm/mach-sa1100/time.c
+++ b/arch/arm/mach-sa1100/time.c
@@ -21,25 +21,6 @@
#define RTC_DEF_DIVIDER (32768 - 1)
#define RTC_DEF_TRIM 0
-static unsigned long __init sa1100_get_rtc_time(void)
-{
- /*
- * According to the manual we should be able to let RTTR be zero
- * and then a default divisor for a 32.768KHz clock is used.
- * Apparently this doesn't work, at least for my SA1110 rev 5.
- * If the clock divider is uninitialized then reset it to the
- * default value to get the 1Hz clock.
- */
- if (RTTR == 0) {
- RTTR = RTC_DEF_DIVIDER + (RTC_DEF_TRIM << 16);
- printk(KERN_WARNING "Warning: uninitialized Real Time Clock\n");
- /* The current RTC value probably doesn't make sense either */
- RCNR = 0;
- return 0;
- }
- return RCNR;
-}
-
static int sa1100_set_rtc(void)
{
unsigned long current_time = xtime.tv_sec;
@@ -117,15 +98,10 @@ static struct irqaction sa1100_timer_irq = {
static void __init sa1100_timer_init(void)
{
- struct timespec tv;
unsigned long flags;
set_rtc = sa1100_set_rtc;
- tv.tv_nsec = 0;
- tv.tv_sec = sa1100_get_rtc_time();
- do_settimeofday(&tv);
-
OIER = 0; /* disable any timer interrupts */
OSSR = 0xf; /* clear status on all timers */
setup_irq(IRQ_OST0, &sa1100_timer_irq);
generated by cgit v1.2.3 (git 2.0.4) at 2024-06-21 18:41:43 +0000