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author | Caesar Wang <wxt@rock-chips.com> | 2016-09-10 02:47:53 +0800 |
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committer | Caesar Wang <wxt@rock-chips.com> | 2016-09-10 04:06:44 +0800 |
commit | 2bff35bb7c3a20edddce8c5c3bfa8d7e948679e9 (patch) | |
tree | a69f66e3d730f77d4cb7c7390b62e0643a768d7b /plat/rockchip/common/params_setup.c | |
parent | e550c6310118d1369796751ce98fe66167db0861 (diff) | |
download | trusted-firmware-a-2bff35bb7c3a20edddce8c5c3bfa8d7e948679e9.tar.gz |
rockchip: set gpio2 ~ gpio4 to input and pull none mode
For save power cosumption, if gpio power supply shut down, we need to
set gpio2 ~ gpio4 to input and HiZ status when suspend, and recovery
they status when rusume. we do it base on apio pass from loader.
Change-Id: I59fd2395e5e37e63425472a39f519822c9197e4c
Diffstat (limited to 'plat/rockchip/common/params_setup.c')
-rw-r--r-- | plat/rockchip/common/params_setup.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/plat/rockchip/common/params_setup.c b/plat/rockchip/common/params_setup.c index 351d213615..646c1e133c 100644 --- a/plat/rockchip/common/params_setup.c +++ b/plat/rockchip/common/params_setup.c @@ -42,10 +42,12 @@ static struct gpio_info param_reset; static struct gpio_info param_poweroff; +static struct bl31_apio_param param_apio; static struct gpio_info *rst_gpio; static struct gpio_info *poweroff_gpio; static struct gpio_info suspend_gpio[10]; uint32_t suspend_gpio_cnt; +static struct apio_info *suspend_apio; struct gpio_info *plat_get_rockchip_gpio_reset(void) { @@ -64,6 +66,11 @@ struct gpio_info *plat_get_rockchip_suspend_gpio(uint32_t *count) return &suspend_gpio[0]; } +struct apio_info *plat_get_rockchip_suspend_apio(void) +{ + return suspend_apio; +} + void params_early_setup(void *plat_param_from_bl2) { struct bl31_plat_param *bl2_param; @@ -96,6 +103,11 @@ void params_early_setup(void *plat_param_from_bl2) sizeof(struct gpio_info)); suspend_gpio_cnt++; break; + case PARAM_SUSPEND_APIO: + memcpy(¶m_apio, bl2_param, + sizeof(struct bl31_apio_param)); + suspend_apio = ¶m_apio.apio; + break; default: ERROR("not expected type found %ld\n", bl2_param->type); |