diff options
| author | Zhou Jingyu <b02241@freescale.com> | 2010-03-26 14:52:10 +0800 |
|---|---|---|
| committer | Alejandro Gonzalez <alex.gonzalez@digi.com> | 2010-05-25 11:20:18 +0200 |
| commit | adc35bc6774be38f3dc3763c8f7b2ec58e020f2e (patch) | |
| tree | 9ac20c9fbc327e9ce2fe2d61fada8ff7f6fd5161 /drivers | |
| parent | c3d20d0e8317f33d921700f442c698c190c4a4b3 (diff) | |
ENGR00122040 mxs battery driver: fix lradc conflict
use configurable lraadc channel for tempreture
increase conditioning current
fix build warnings
Signed-off-by: Zhou Jingyu <Jingyu.Zhou@freescale.com>
Signed-off-by: Alejandro Gonzalez <alex.gonzalez@digi.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/power/mxs/ddi_power_battery.c | 39 | ||||
| -rw-r--r-- | drivers/power/mxs/linux.c | 2 |
2 files changed, 23 insertions, 18 deletions
diff --git a/drivers/power/mxs/ddi_power_battery.c b/drivers/power/mxs/ddi_power_battery.c index 9660ab6f671b..c17b2da86ffa 100644 --- a/drivers/power/mxs/ddi_power_battery.c +++ b/drivers/power/mxs/ddi_power_battery.c @@ -965,73 +965,76 @@ int ddi_power_init_battery(void) } /* - * Use the the lradc1 channel + * Use the the lradc channel * get the die temperature from on-chip sensor. */ uint16_t MeasureInternalDieTemperature(void) { - uint32_t ch8Value, ch9Value; + uint32_t ch8Value, ch9Value, lradc_irq_mask, channel; + + channel = g_ddi_bc_Configuration.u8BatteryTempChannel; + lradc_irq_mask = 1 << channel; /* power up internal tep sensor block */ __raw_writel(BM_LRADC_CTRL2_TEMPSENSE_PWD, REGS_LRADC_BASE + HW_LRADC_CTRL2_CLR); /* mux to the lradc 8th temp channel */ - __raw_writel(BF_LRADC_CTRL4_LRADC1SELECT(0xF), + __raw_writel((0xF << (4 * channel)), REGS_LRADC_BASE + HW_LRADC_CTRL4_CLR); - __raw_writel(BF_LRADC_CTRL4_LRADC1SELECT(8), + __raw_writel((8 << (4 * channel)), REGS_LRADC_BASE + HW_LRADC_CTRL4_SET); /* Clear the interrupt flag */ - __raw_writel(BM_LRADC_CTRL1_LRADC1_IRQ, + __raw_writel(lradc_irq_mask, REGS_LRADC_BASE + HW_LRADC_CTRL1_CLR); - __raw_writel(BF_LRADC_CTRL0_SCHEDULE(1 << LRADC_CH1), + __raw_writel(BF_LRADC_CTRL0_SCHEDULE(1 << channel), REGS_LRADC_BASE + HW_LRADC_CTRL0_SET); /* Wait for conversion complete*/ while (!(__raw_readl(REGS_LRADC_BASE + HW_LRADC_CTRL1) - & BM_LRADC_CTRL1_LRADC1_IRQ)) + & lradc_irq_mask)) cpu_relax(); /* Clear the interrupt flag again */ - __raw_writel(BM_LRADC_CTRL1_LRADC1_IRQ, + __raw_writel(lradc_irq_mask, REGS_LRADC_BASE + HW_LRADC_CTRL1_CLR); /* read temperature value and clr lradc */ ch8Value = __raw_readl(REGS_LRADC_BASE + - HW_LRADC_CHn(LRADC_CH1)) & BM_LRADC_CHn_VALUE; + HW_LRADC_CHn(channel)) & BM_LRADC_CHn_VALUE; __raw_writel(BM_LRADC_CHn_VALUE, - REGS_LRADC_BASE + HW_LRADC_CHn_CLR(LRADC_CH1)); + REGS_LRADC_BASE + HW_LRADC_CHn_CLR(channel)); /* mux to the lradc 9th temp channel */ - __raw_writel(BF_LRADC_CTRL4_LRADC1SELECT(0xF), + __raw_writel((0xF << (4 * channel)), REGS_LRADC_BASE + HW_LRADC_CTRL4_CLR); - __raw_writel(BF_LRADC_CTRL4_LRADC1SELECT(9), + __raw_writel((9 << (4 * channel)), REGS_LRADC_BASE + HW_LRADC_CTRL4_SET); /* Clear the interrupt flag */ - __raw_writel(BM_LRADC_CTRL1_LRADC1_IRQ, + __raw_writel(lradc_irq_mask, REGS_LRADC_BASE + HW_LRADC_CTRL1_CLR); - __raw_writel(BF_LRADC_CTRL0_SCHEDULE(1 << LRADC_CH1), + __raw_writel(BF_LRADC_CTRL0_SCHEDULE(1 << channel), REGS_LRADC_BASE + HW_LRADC_CTRL0_SET); /* Wait for conversion complete */ while (!(__raw_readl(REGS_LRADC_BASE + HW_LRADC_CTRL1) - & BM_LRADC_CTRL1_LRADC1_IRQ)) + & lradc_irq_mask)) cpu_relax(); /* Clear the interrupt flag */ - __raw_writel(BM_LRADC_CTRL1_LRADC1_IRQ, + __raw_writel(lradc_irq_mask, REGS_LRADC_BASE + HW_LRADC_CTRL1_CLR); /* read temperature value */ ch9Value = __raw_readl( - REGS_LRADC_BASE + HW_LRADC_CHn(LRADC_CH1)) + REGS_LRADC_BASE + HW_LRADC_CHn(channel)) & BM_LRADC_CHn_VALUE; __raw_writel(BM_LRADC_CHn_VALUE, - REGS_LRADC_BASE + HW_LRADC_CHn_CLR(LRADC_CH1)); + REGS_LRADC_BASE + HW_LRADC_CHn_CLR(channel)); /* power down temp sensor block */ __raw_writel(BM_LRADC_CTRL2_TEMPSENSE_PWD, diff --git a/drivers/power/mxs/linux.c b/drivers/power/mxs/linux.c index f878f8ebd456..ce8b0e3ed75f 100644 --- a/drivers/power/mxs/linux.c +++ b/drivers/power/mxs/linux.c @@ -1053,6 +1053,7 @@ static struct platform_driver mxs_batdrv = { }, }; +#ifdef POWER_FIQ static int power_relinquish(void *data, int relinquish) { return -1; @@ -1068,6 +1069,7 @@ extern char power_fiq_start[], power_fiq_end[]; extern void lock_vector_tlb(void *); extern long power_fiq_count; static struct proc_dir_entry *power_fiq_proc; +#endif static int __init mxs_bat_init(void) { |