CCing Sandeep.

On Thu, Apr 29, 2010 at 5:52 PM, Grazvydas Ignotas notasas@gmail.com wrote:

Pandora has a capacitor connected as backup battery, which allows retaining RTC for some time while main battery is removed. Enable backup battery charge function to charge that capacitor.

Signed-off-by: Grazvydas Ignotas notasas@gmail.com

board/pandora/pandora.c |    9 +++++++++  1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/board/pandora/pandora.c b/board/pandora/pandora.c index 75e4330..355e9ea 100644 --- a/board/pandora/pandora.c +++ b/board/pandora/pandora.c @@ -37,6 +37,10 @@  #include <asm/mach-types.h>  #include "pandora.h"

+#define TWL4030_BB_CFG_BBCHEN          (1 << 4) +#define TWL4030_BB_CFG_BBSEL_3200MV    (3 << 2) +#define TWL4030_BB_CFG_BBISEL_500UA    2

/*  * Routine: board_init  * Description: Early hardware init. @@ -78,6 +82,11 @@ int misc_init_r(void)        writel(GPIO28, &gpio5_base->setdataout);        writel(GPIO4, &gpio6_base->setdataout);

• /* Enable battery backup capacitor (3.2V, 0.5mA charge current) */
• twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER,
• TWL4030_BB_CFG_BBCHEN | TWL4030_BB_CFG_BBSEL_3200MV |
• TWL4030_BB_CFG_BBISEL_500UA, TWL4030_PM_RECEIVER_BB_CFG);

dieid_num_r();

return 0;

1.6.3.3