mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-18 09:13:06 +00:00
cd93d625fd
Move this uncommon header out of the common header. Signed-off-by: Simon Glass <sjg@chromium.org>
82 lines
1.8 KiB
C
82 lines
1.8 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* (C) Copyright 2019 Rockchip Electronics Co., Ltd
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <adc.h>
|
|
#include <asm/io.h>
|
|
#include <asm/arch/grf_rk3308.h>
|
|
#include <asm/arch-rockchip/hardware.h>
|
|
#include <linux/bitops.h>
|
|
|
|
#if defined(CONFIG_DEBUG_UART)
|
|
#define GRF_BASE 0xff000000
|
|
|
|
enum {
|
|
GPIO1C7_SHIFT = 8,
|
|
GPIO1C7_MASK = GENMASK(11, 8),
|
|
GPIO1C7_GPIO = 0,
|
|
GPIO1C7_UART1_RTSN,
|
|
GPIO1C7_UART2_TX_M0,
|
|
GPIO1C7_SPI2_MOSI,
|
|
GPIO1C7_JTAG_TMS,
|
|
|
|
GPIO1C6_SHIFT = 4,
|
|
GPIO1C6_MASK = GENMASK(7, 4),
|
|
GPIO1C6_GPIO = 0,
|
|
GPIO1C6_UART1_CTSN,
|
|
GPIO1C6_UART2_RX_M0,
|
|
GPIO1C6_SPI2_MISO,
|
|
GPIO1C6_JTAG_TCLK,
|
|
|
|
GPIO4D3_SHIFT = 6,
|
|
GPIO4D3_MASK = GENMASK(7, 6),
|
|
GPIO4D3_GPIO = 0,
|
|
GPIO4D3_SDMMC_D3,
|
|
GPIO4D3_UART2_TX_M1,
|
|
|
|
GPIO4D2_SHIFT = 4,
|
|
GPIO4D2_MASK = GENMASK(5, 4),
|
|
GPIO4D2_GPIO = 0,
|
|
GPIO4D2_SDMMC_D2,
|
|
GPIO4D2_UART2_RX_M1,
|
|
|
|
UART2_IO_SEL_SHIFT = 2,
|
|
UART2_IO_SEL_MASK = GENMASK(3, 2),
|
|
UART2_IO_SEL_M0 = 0,
|
|
UART2_IO_SEL_M1,
|
|
UART2_IO_SEL_USB,
|
|
};
|
|
|
|
void board_debug_uart_init(void)
|
|
{
|
|
static struct rk3308_grf * const grf = (void *)GRF_BASE;
|
|
|
|
/* Enable early UART2 channel m0 on the rk3308 */
|
|
rk_clrsetreg(&grf->soc_con5, UART2_IO_SEL_MASK,
|
|
UART2_IO_SEL_M0 << UART2_IO_SEL_SHIFT);
|
|
rk_clrsetreg(&grf->gpio1ch_iomux,
|
|
GPIO1C6_MASK | GPIO1C7_MASK,
|
|
GPIO1C6_UART2_RX_M0 << GPIO1C6_SHIFT |
|
|
GPIO1C7_UART2_TX_M0 << GPIO1C7_SHIFT);
|
|
}
|
|
#endif
|
|
|
|
#define KEY_DOWN_MIN_VAL 0
|
|
#define KEY_DOWN_MAX_VAL 30
|
|
|
|
int rockchip_dnl_key_pressed(void)
|
|
{
|
|
unsigned int val;
|
|
|
|
if (adc_channel_single_shot("saradc", 1, &val)) {
|
|
printf("%s read adc key val failed\n", __func__);
|
|
return false;
|
|
}
|
|
|
|
if (val >= KEY_DOWN_MIN_VAL && val <= KEY_DOWN_MAX_VAL)
|
|
return true;
|
|
else
|
|
return false;
|
|
}
|