From patchwork Thu Apr 2 12:52:30 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Suniel Mahesh X-Patchwork-Id: 237114 List-Id: U-Boot discussion From: sunil at amarulasolutions.com (sunil at amarulasolutions.com) Date: Thu, 2 Apr 2020 18:22:30 +0530 Subject: [PATCH] rockchip: board: roc-pc-rk3399: Remove support for push button Message-ID: <1585831950-17476-1-git-send-email-sunil@amarulasolutions.com> From: Suniel Mahesh In case of a power interruption, human intervention is required which is not desirable if the device is installed at a remote location. Drop yellow LED as it is not much of use. Keep red LED(diy-led) as it is, to indicate board in full power mode. Signed-off-by: Suniel Mahesh --- Note: - patch tested on rk3399-roc-pc - code related to button press is removed --- board/firefly/roc-pc-rk3399/roc-pc-rk3399.c | 16 +--------------- 1 file changed, 1 insertion(+), 15 deletions(-) diff --git a/board/firefly/roc-pc-rk3399/roc-pc-rk3399.c b/board/firefly/roc-pc-rk3399/roc-pc-rk3399.c index de9185a..0fe1914 100644 --- a/board/firefly/roc-pc-rk3399/roc-pc-rk3399.c +++ b/board/firefly/roc-pc-rk3399/roc-pc-rk3399.c @@ -10,7 +10,6 @@ #include #include #include -#include #ifndef CONFIG_SPL_BUILD int board_early_init_f(void) @@ -34,26 +33,13 @@ out: #if defined(CONFIG_TPL_BUILD) -#define PMUGRF_BASE 0xff320000 #define GPIO0_BASE 0xff720000 int board_early_init_f(void) { struct rockchip_gpio_regs * const gpio0 = (void *)GPIO0_BASE; - struct rk3399_pmugrf_regs * const pmugrf = (void *)PMUGRF_BASE; - /** - * 1. Glow yellow LED, termed as low power - * 2. Poll for on board power key press - * 3. Once 2 done, off yellow and glow red LED, termed as full power - * 4. Continue booting... - */ - spl_gpio_output(gpio0, GPIO(BANK_A, 2), 1); - - spl_gpio_set_pull(&pmugrf->gpio0_p, GPIO(BANK_A, 5), GPIO_PULL_NORMAL); - while (readl(&gpio0->ext_port) & 0x20); - - spl_gpio_output(gpio0, GPIO(BANK_A, 2), 0); + /* Turn on red LED, indicating full power mode */ spl_gpio_output(gpio0, GPIO(BANK_B, 5), 1); return 0;