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| author | H. Nikolaus Schaller <hns@goldelico.com> | 2012-08-30 12:06:09 +0200 |
|---|---|---|
| committer | H. Nikolaus Schaller <hns@goldelico.com> | 2012-08-30 12:06:09 +0200 |
| commit | 3d98c3057fade551a00a87f87b14eaa28c43e1d8 (patch) | |
| tree | 83bb84e35d5a04a8211eb5cbd17aa14220e752a1 | |
| parent | 8a2402c6c69968c9c3a123b55a9357e11089a80e (diff) | |
| download | bootable_bootloader_goldelico_gta04-3d98c3057fade551a00a87f87b14eaa28c43e1d8.zip bootable_bootloader_goldelico_gta04-3d98c3057fade551a00a87f87b14eaa28c43e1d8.tar.gz bootable_bootloader_goldelico_gta04-3d98c3057fade551a00a87f87b14eaa28c43e1d8.tar.bz2 | |
prepared to check if ITG3200 did not reset on power-up
| -rw-r--r-- | u-boot/board/goldelico/gta04/gta04.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/u-boot/board/goldelico/gta04/gta04.c b/u-boot/board/goldelico/gta04/gta04.c index 234be76..cd9e9d2 100644 --- a/u-boot/board/goldelico/gta04/gta04.c +++ b/u-boot/board/goldelico/gta04/gta04.c @@ -141,6 +141,23 @@ int misc_init_r(void) i2c_reg_write(TCA6507_ADDRESS, TCA6507_SELECT0, 0); i2c_reg_write(TCA6507_ADDRESS, TCA6507_SELECT1, 0); i2c_reg_write(TCA6507_ADDRESS, TCA6507_SELECT2, 0x40); // pull down reset for WLAN&BT chip + +#if 1 + // FIXME: if(gta04_board_revision() should have ITG) + /* if the GTA04 is connected to USB power first and + * the battery is inserted after this, all power rails + * have oscillated until the battery is available + * this makes the ITG3200 Power On Reset fail + */ + i2c_set_bus_num(1); // I2C2 + udelay(10*1000); // wait a little until power stabilizes + if(i2c_probe(0x68)) { // ITG3200 does not respond + printf("ITG3200 does not respond\n"); + // Pulse VAUX2 to force POR + // how can we do that??? + } +#endif + i2c_set_bus_num(0); // write I2C1 #if 0 // FIXME: enable only on demand if we want to test BT/WIFI - and apply RESET @@ -151,9 +168,10 @@ int misc_init_r(void) TWL4030_PM_RECEIVER_DEV_GRP_P1); #endif - /* make dependent on CPU type */ - setenv("mpurate", "600"); - setenv("mpurate", "800"); + if (get_cpu_family() == CPU_OMAP36XX) + setenv("mpurate", "800"); + else + setenv("mpurate", "600"); twl4030_power_init(); |