diff options
author | Otavio Salvador <otavio@ossystems.com.br> | 2018-12-01 17:05:54 +0300 |
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committer | Philipp Tomsich <philipp.tomsich@theobroma-systems.com> | 2018-12-16 03:30:11 +0300 |
commit | e11ef3d26eff8d14a11f89b9bdc20471b425d2d7 (patch) | |
tree | 0adaabc999c9d94fce3726808e7e27fc0d4ed870 /board/elgin/elgin_rv1108/elgin_rv1108.c | |
parent | 9af1d5ef2fa4248c5e4b4b098e2d36caa0298ee8 (diff) | |
download | u-boot-e11ef3d26eff8d14a11f89b9bdc20471b425d2d7.tar.xz |
ARM: rockchip: Add rv1108-elgin-r1 board support
Add the initial support for Elgin R1 board, which is based on the
RV1108 SoC and has the following features currently supported in
U-Boot:
- UART
- eMMC
- USB
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Diffstat (limited to 'board/elgin/elgin_rv1108/elgin_rv1108.c')
-rw-r--r-- | board/elgin/elgin_rv1108/elgin_rv1108.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/board/elgin/elgin_rv1108/elgin_rv1108.c b/board/elgin/elgin_rv1108/elgin_rv1108.c new file mode 100644 index 0000000000..3abc514412 --- /dev/null +++ b/board/elgin/elgin_rv1108/elgin_rv1108.c @@ -0,0 +1,74 @@ +// 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 <asm/io.h> +#include <fdtdec.h> +#include <asm/arch/grf_rv1108.h> +#include <asm/arch/hardware.h> +#include <asm/gpio.h> + +DECLARE_GLOBAL_DATA_PTR; + +int mach_cpu_init(void) +{ + int node; + 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, + }; + + node = fdt_node_offset_by_compatible(gd->fdt_blob, -1, "rockchip,rv1108-grf"); + grf = (struct rv1108_grf *)fdtdec_get_addr(gd->fdt_blob, node, "reg"); + + /* 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 board_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; +} |