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authorBalaji Rao <balajirrao@openmoko.org>2009-02-26 04:10:55 +0000
committerAndy Green <agreen@octopus.localdomain>2009-02-26 04:10:55 +0000
commit21f104a45d66c6a149765c0023753cb2d41f3318 (patch)
tree526d35664ef9ec0996ab6da08b9c023d0be15505
parente866878cd2a68e7ef46241f4317eddabb2eb359e (diff)
Subject: fix_gta03_fiq_stuff.patch
X-Git-Url: http://git.openmoko.org/?p=kernel.git;a=commitdiff_plain;h=c94ea3d685fa6e9b24d62adb11a7ad6087b9edf5 fix_gta03_fiq_stuff.patch Signed-off-by: Balaji Rao <balajirrao@openmoko.org>
-rw-r--r--arch/arm/mach-s3c6410/mach-om-gta03.c33
-rw-r--r--drivers/power/bq27000_battery.c2
2 files changed, 18 insertions, 17 deletions
diff --git a/arch/arm/mach-s3c6410/mach-om-gta03.c b/arch/arm/mach-s3c6410/mach-om-gta03.c
index 596b01ff765..d9677aa0fc7 100644
--- a/arch/arm/mach-s3c6410/mach-om-gta03.c
+++ b/arch/arm/mach-s3c6410/mach-om-gta03.c
@@ -92,7 +92,7 @@ extern struct platform_device s3c_device_usbgadget;
* determines if we the FIQ source be kept alive
*/
-#define DIVISOR_FROM_US(x) ((x) << 3)
+#define DIVISOR_FROM_US(x) ((x) * 23)
#ifdef CONFIG_HDQ_GPIO_BITBANG
#define FIQ_DIVISOR_HDQ DIVISOR_FROM_US(20)
@@ -132,7 +132,8 @@ static void gta03_fiq_handler(void)
#endif
if (divisor == 0xffff) /* mask the fiq irq source */
- __raw_writel(1 << 27, S3C6410_INTMSK + 4);
+ __raw_writel((__raw_readl(S3C64XX_TINT_CSTAT) & 0x1f) & ~(1 << 3),
+ S3C64XX_TINT_CSTAT);
else /* still working, maybe at a different rate */
__raw_writel(divisor, S3C2410_TCNTB(gta03_fiq_timer_index));
@@ -145,10 +146,6 @@ static void gta03_fiq_kick(void)
unsigned long flags;
u32 tcon;
- printk("ENABLE = %08x\n", __raw_readl(0xF4000000 + VIC_INT_ENABLE));
- printk("FIQ = %08x\n", __raw_readl(0xF4000000 + VIC_FIQ_STATUS));
- printk("CSTAT = %08x\n", __raw_readl(S3C64XX_TINT_CSTAT));
-
/* we have to take care about FIQ because this modification is
* non-atomic, FIQ could come in after the read and before the
* writeback and its changes to the register would be lost
@@ -157,7 +154,8 @@ static void gta03_fiq_kick(void)
local_save_flags(flags);
local_fiq_disable();
/* allow FIQs to resume */
- __raw_writel(1 << 27, S3C6410_INTMSK);
+ __raw_writel((__raw_readl(S3C64XX_TINT_CSTAT) & 0x1f)| 1 << 3,
+ S3C64XX_TINT_CSTAT);
tcon = __raw_readl(S3C2410_TCON) & ~S3C2410_TCON_T3START;
/* fake the timer to a count of 1 */
@@ -188,8 +186,8 @@ static int gta03_fiq_enable(void)
goto bail;
gta03_fiq_pwm_timer.timerid = PWM0 + gta03_fiq_timer_index;
- gta03_fiq_pwm_timer.prescaler = (6 - 1) / 2;
- gta03_fiq_pwm_timer.divider = S3C2410_TCFG1_MUX3_DIV2;
+ gta03_fiq_pwm_timer.prescaler = ((6 - 1) / 2);
+ gta03_fiq_pwm_timer.divider = S3C64XX_TCFG1_MUX_DIV2 << S3C2410_TCFG1_SHIFT(3);
/* default rate == ~32us */
gta03_fiq_pwm_timer.counter = gta03_fiq_pwm_timer.comparer = 3000;
@@ -197,19 +195,17 @@ static int gta03_fiq_enable(void)
if (rc)
goto bail;
- s3c2410_pwm_start(&gta03_fiq_pwm_timer);
-
/* let our selected interrupt be a magic FIQ interrupt */
__raw_writel(gta03_fiq_mod_mask, S3C6410_INTMSK + 4);
__raw_writel(gta03_fiq_mod_mask, S3C6410_INTMOD);
- __raw_writel((__raw_readl(S3C64XX_TINT_CSTAT) & 0x1f)| 1 << 3,
- S3C64XX_TINT_CSTAT);
__raw_writel(gta03_fiq_mod_mask, S3C6410_INTMSK);
__raw_writel(SP890_TZIC_UNLOCK_MAGIC, S3C64XX_VA_TZIC0_LOCK);
__raw_writel(gta03_fiq_mod_mask, S3C64XX_VA_TZIC0_FIQENABLE);
__raw_writel(gta03_fiq_mod_mask, S3C64XX_VA_TZIC0_INTSELECT);
+ s3c2410_pwm_start(&gta03_fiq_pwm_timer);
+
/* it's ready to go as soon as we unmask the source in S3C2410_INTMSK */
local_fiq_enable();
@@ -387,7 +383,7 @@ void gta03_lis302dl_suspend_io(struct lis302dl_info *lis, int resume)
s3c_gpio_cfgpin(pdata->pin_miso, S3C_GPIO_SFN(0));
}
-
+#if 0
struct lis302dl_platform_data lis302_pdata = {
.name = "lis302",
.pin_chip_select= S3C64XX_GPC(3), /* NC */
@@ -410,7 +406,7 @@ static struct platform_device s3c_device_spi_acc1 = {
},
};
-
+#endif
/* framebuffer and LCD setup. */
@@ -752,6 +748,11 @@ static void gta03_hdq_gpio_direction_out(void)
con &= ~(0xf << 28);
con |= 0x01 << 28;
__raw_writel(con, regcon);
+
+ /* Set pull-up enabled */
+ con = __raw_readl(regcon + 0x0c);
+ con |= 3 << 14;
+ __raw_writel(con, regcon + 0x0c);
}
static void gta03_hdq_gpio_direction_in(void)
@@ -901,7 +902,7 @@ static void om_gta03_pmu_regulator_registered(struct pcf50633 *pcf, int id)
static struct platform_device *om_gta03_devices_pmu_children[] = {
&om_gta03_button_dev,
- &s3c_device_spi_acc1, /* relies on PMU reg for power */
+// &s3c_device_spi_acc1, /* relies on PMU reg for power */
};
/* this is called when pc50633 is probed, unfortunately quite late in the
diff --git a/drivers/power/bq27000_battery.c b/drivers/power/bq27000_battery.c
index bc2bd1c70f0..bc3856e5755 100644
--- a/drivers/power/bq27000_battery.c
+++ b/drivers/power/bq27000_battery.c
@@ -133,7 +133,7 @@ struct bq27000_device_info {
struct bq27000_bat_regs regs;
};
-static unsigned int cache_time = 10000;
+static unsigned int cache_time = 5000;
module_param(cache_time, uint, 0644);
MODULE_PARM_DESC(cache_time, "cache time in milliseconds");