diff options
Diffstat (limited to 'roms/u-boot/board/elgin/elgin_rv1108/elgin_rv1108.c')
-rw-r--r-- | roms/u-boot/board/elgin/elgin_rv1108/elgin_rv1108.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/roms/u-boot/board/elgin/elgin_rv1108/elgin_rv1108.c b/roms/u-boot/board/elgin/elgin_rv1108/elgin_rv1108.c new file mode 100644 index 000000000..eb7a322d8 --- /dev/null +++ b/roms/u-boot/board/elgin/elgin_rv1108/elgin_rv1108.c @@ -0,0 +1,75 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C)Copyright 2016 Rockchip Electronics Co., Ltd + * Authors: Andy Yan <andy.yan@rock-chips.com> + */ + +#include <common.h> +#include <init.h> +#include <syscon.h> +#include <asm/global_data.h> +#include <asm/io.h> +#include <asm/arch-rockchip/clock.h> +#include <asm/arch-rockchip/grf_rv1108.h> +#include <asm/arch-rockchip/hardware.h> +#include <asm/gpio.h> + +DECLARE_GLOBAL_DATA_PTR; + +int board_early_init_f(void) +{ + struct rv1108_grf *grf; + enum { + GPIO3C3_SHIFT = 6, + GPIO3C3_MASK = 3 << GPIO3C3_SHIFT, + + GPIO3C2_SHIFT = 4, + GPIO3C2_MASK = 3 << GPIO3C2_SHIFT, + + GPIO2D2_SHIFT = 4, + GPIO2D2_MASK = 3 << GPIO2D2_SHIFT, + GPIO2D2_GPIO = 0, + GPIO2D2_UART2_SOUT_M0, + + GPIO2D1_SHIFT = 2, + GPIO2D1_MASK = 3 << GPIO2D1_SHIFT, + GPIO2D1_GPIO = 0, + GPIO2D1_UART2_SIN_M0, + }; + + grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); + + /* Elgin board use UART2 m0 for debug*/ + rk_clrsetreg(&grf->gpio2d_iomux, + GPIO2D2_MASK | GPIO2D1_MASK, + GPIO2D2_UART2_SOUT_M0 << GPIO2D2_SHIFT | + GPIO2D1_UART2_SIN_M0 << GPIO2D1_SHIFT); + rk_clrreg(&grf->gpio3c_iomux, GPIO3C3_MASK | GPIO3C2_MASK); + + return 0; +} + +#define MODEM_ENABLE_GPIO 111 + +int rk_board_late_init(void) +{ + gpio_request(MODEM_ENABLE_GPIO, "modem_enable"); + gpio_direction_output(MODEM_ENABLE_GPIO, 0); + + return 0; +} + +int dram_init(void) +{ + gd->ram_size = 0x8000000; + + return 0; +} + +int dram_init_banksize(void) +{ + gd->bd->bi_dram[0].start = 0x60000000; + gd->bd->bi_dram[0].size = 0x8000000; + + return 0; +} |