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qi-add-more-pcf50633-init.patch
We need to set a few more things up in pcf50633 to get suspend and resume to work -- without them suspend actually goes OFF. Take the opportunity to optimize this init significantly. Signed-off-by: Andy Green <andy@openmoko.com>
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@ -35,6 +35,42 @@
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#define PCF50633_I2C_ADS 0x73
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struct pcf50633_init {
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u8 index;
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u8 value;
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};
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const struct pcf50633_init pcf50633_init[] = {
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{ PCF50633_REG_OOCWAKE, 0xd3 }, /* wake from ONKEY,EXTON!,RTC,USB,ADP */
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{ PCF50633_REG_OOCTIM1, 0xaa }, /* debounce 14ms everything */
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{ PCF50633_REG_OOCTIM2, 0x4a },
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{ PCF50633_REG_OOCMODE, 0x55 },
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{ PCF50633_REG_OOCSHDWN, 0x04 }, /* defeat 8s death from lowsys on A5 */
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{ PCF50633_REG_OOCCTL, 0x47 },
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{ PCF50633_REG_SVMCTL, 0x08 }, /* 3.10V SYS voltage thresh. */
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{ PCF50633_REG_BVMCTL, 0x02 }, /* 2.80V BAT voltage thresh. */
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{ PCF50633_REG_AUTOENA, 0x01 }, /* always on */
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{ PCF50633_REG_DOWN1OUT, 0x1b }, /* 1.3V (0x1b * .025V + 0.625V) */
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{ PCF50633_REG_DOWN1ENA, 0x02 }, /* enabled if GPIO1 = HIGH */
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{ PCF50633_REG_HCLDOOUT, 21 }, /* 3.0V (21 * 0.1V + 0.9V) */
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{ PCF50633_REG_HCLDOENA, 0x01 }, /* ON by default*/
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{ PCF50633_REG_MBCC1, 0xe6 },
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{ PCF50633_REG_MBCC2, 0x28 }, /* Vbatconid=2.7V, Vmax=4.20V */
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{ PCF50633_REG_MBCC3, 0x19 }, /* 25/255 == 98mA pre-charge */
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{ PCF50633_REG_MBCC4, 0xff }, /* 255/255 == 1A adapter fast */
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{ PCF50633_REG_MBCC5, 0x19 }, /* 25/255 == 98mA soft-start usb fast */
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{ PCF50633_REG_MBCC6, 0x00 }, /* cutoff current 1/32 * Ichg */
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{ PCF50633_REG_MBCC7, 0x00 }, /* 1.6A max bat curr, USB 100mA */
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{ PCF50633_REG_MBCC8, 0x00 },
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{ PCF50633_REG_BBCCTL, 0x19 }, /* 3V, 200uA, on */
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};
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static const struct board_variant board_variants[] = {
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[0] = {
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.name = "A5 PCB",
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@ -52,6 +88,7 @@ void port_init_gta02(void)
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unsigned int * MPLLCON = (unsigned int *)0x4c000004;
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unsigned int * UPLLCON = (unsigned int *)0x4c000008;
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unsigned int * CLKDIVN = (unsigned int *)0x4c000014;
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int n;
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//CAUTION:Follow the configuration order for setting the ports.
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// 1) setting value(GPnDAT)
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@ -168,16 +205,10 @@ void port_init_gta02(void)
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* We have to talk to the PMU a little bit
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*/
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/* We need SD Card rail (HCLDO) at 3.0V */
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i2c_write_sync(&bb_s3c24xx, PCF50633_I2C_ADS, PCF50633_REG_HCLDOOUT,
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21);
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for (n = 0; n < ARRAY_SIZE(pcf50633_init); n++)
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i2c_write_sync(&bb_s3c24xx, PCF50633_I2C_ADS,
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pcf50633_init[n].index, pcf50633_init[n].value);
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/* switch HCLDO on */
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i2c_write_sync(&bb_s3c24xx, PCF50633_I2C_ADS, PCF50633_REG_HCLDOENA, 1);
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/* push DOWN1 (CPU Core rail) to 1.3V, allowing 400MHz */
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i2c_write_sync(&bb_s3c24xx, PCF50633_I2C_ADS, PCF50633_REG_DOWN1OUT,
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0x1b);
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/* change CPU clocking to 400MHz 1:4:8 */
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@ -327,7 +358,7 @@ const struct board_api board_api_gta02 = {
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"rootfstype=ext3 " \
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"root=/dev/mmcblk0p1 " \
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"console=ttySAC2,115200 " \
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"loglevel=4 " \
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"loglevel=8 " \
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"init=/sbin/init "\
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"ro"
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},
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