diff options
author | Klaus Goger <klaus.goger@theobroma-systems.com> | 2016-09-18 11:15:41 +0200 |
---|---|---|
committer | Klaus Goger <klaus.goger@theobroma-systems.com> | 2016-09-18 20:22:03 +0200 |
commit | c14577d2e7c3b56172bb8c8d810b52e54f55f1c4 (patch) | |
tree | 984c87c0ac99fc5021725b19b4714cfb1d915de1 /board | |
parent | 019fac62d480990262b700a05717194a9623af7b (diff) |
ARM: sunxi: armadillo: enable ATX power supply
when powered by ATX the SUS3 line must be HIGH to enable the ATX
power supply.
Diffstat (limited to 'board')
-rw-r--r-- | board/sunxi/board.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/board/sunxi/board.c b/board/sunxi/board.c index ea0ab736e9..52792bd364 100644 --- a/board/sunxi/board.c +++ b/board/sunxi/board.c @@ -453,6 +453,24 @@ void sunxi_board_init(void) int power_failed = 0; unsigned long ramsize; +#ifdef CONFIG_SUNXI_ARMADILLO + /* Enable ATX power supply */ + gpio_request(SUNXI_GPG(7), "SUS3"); + sunxi_gpio_set_cfgpin(SUNXI_GPG(7),SUNXI_GPIO_OUTPUT); + gpio_direction_output(SUNXI_GPG(7),1); + debug("enable SUS3\n"); + /* wait for ATX power to be stable */ + gpio_request(SUNXI_GPD(24),"PWGIN"); + sunxi_gpio_set_cfgpin(SUNXI_GPD(24),SUNXI_GPIO_INPUT); + debug("wait for PWGIN\n"); + while(gpio_get_value(SUNXI_GPD(24))==0) + { + mdelay(100); + } + debug("PWGIN is active\n"); + mdelay(500); /* let the power supply settle */ +#endif + #ifdef CONFIG_SY8106A_POWER power_failed = sy8106a_set_vout1(CONFIG_SY8106A_VOUT1_VOLT); #endif |