diff options
| author | David Wu <david.wu@rock-chips.com> | 2019-12-03 19:02:50 +0800 |
|---|---|---|
| committer | Kever Yang <kever.yang@rock-chips.com> | 2019-12-06 00:06:23 +0800 |
| commit | e0e6c96a671b43117554e7f6a1b9190e422ae460 (patch) | |
| tree | 038c254044da6a67ec5868c1a6cdec0cc21bbf90 | |
| parent | 4ee6d51c5ada760f82eb3d771bc2909130984e98 (diff) | |
| download | u-boot-e0e6c96a671b43117554e7f6a1b9190e422ae460.tar.gz | |
arm: rockchip: rk3308: Initialize the iomux configuration
When we want to use plus pinctrl feature, we need to enable
them at spl.
Signed-off-by: David Wu <david.wu@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
| -rw-r--r-- | arch/arm/mach-rockchip/rk3308/rk3308.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm/mach-rockchip/rk3308/rk3308.c b/arch/arm/mach-rockchip/rk3308/rk3308.c index f27f9e8c0b..b6815ddc55 100644 --- a/arch/arm/mach-rockchip/rk3308/rk3308.c +++ b/arch/arm/mach-rockchip/rk3308/rk3308.c @@ -72,6 +72,11 @@ enum { UART2_IO_SEL_M1, UART2_IO_SEL_USB, + GPIO2C0_SEL_SRC_CTRL_SHIFT = 11, + GPIO2C0_SEL_SRC_CTRL_MASK = BIT(11), + GPIO2C0_SEL_SRC_CTRL_IOMUX = 0, + GPIO2C0_SEL_SRC_CTRL_SEL_PLUS, + GPIO3B3_SEL_SRC_CTRL_SHIFT = 7, GPIO3B3_SEL_SRC_CTRL_MASK = BIT(7), GPIO3B3_SEL_SRC_CTRL_IOMUX = 0, @@ -97,6 +102,18 @@ enum { GPIO3B2_SEL_PLUS_EMMC_RSTN, GPIO3B2_SEL_PLUS_SPI1_MISO, GPIO3B2_SEL_PLUS_LCDC_D22_M1, + + I2C3_IOFUNC_SRC_CTRL_SHIFT = 10, + I2C3_IOFUNC_SRC_CTRL_MASK = BIT(10), + I2C3_IOFUNC_SRC_CTRL_SEL_PLUS = 1, + + GPIO2A3_SEL_SRC_CTRL_SHIFT = 7, + GPIO2A3_SEL_SRC_CTRL_MASK = BIT(7), + GPIO2A3_SEL_SRC_CTRL_SEL_PLUS = 1, + + GPIO2A2_SEL_SRC_CTRL_SHIFT = 3, + GPIO2A2_SEL_SRC_CTRL_MASK = BIT(3), + GPIO2A2_SEL_SRC_CTRL_SEL_PLUS = 1, }; enum { @@ -166,10 +183,30 @@ __weak void board_debug_uart_init(void) int arch_cpu_init(void) { static struct rk3308_sgrf * const sgrf = (void *)SGRF_BASE; + static struct rk3308_grf * const grf = (void *)GRF_BASE; /* Set CRYPTO SDMMC EMMC NAND SFC USB master bus to be secure access */ rk_clrreg(&sgrf->con_secure0, 0x2b83); + /* + * Enable plus options to use more pinctrl functions, including + * GPIO2A2_PLUS, GPIO2A3_PLUS and I2C3_MULTI_SRC_PLUS. + */ + rk_clrsetreg(&grf->soc_con13, + I2C3_IOFUNC_SRC_CTRL_MASK | GPIO2A3_SEL_SRC_CTRL_MASK | + GPIO2A2_SEL_SRC_CTRL_MASK, + I2C3_IOFUNC_SRC_CTRL_SEL_PLUS << I2C3_IOFUNC_SRC_CTRL_SHIFT | + GPIO2A3_SEL_SRC_CTRL_SEL_PLUS << GPIO2A3_SEL_SRC_CTRL_SHIFT | + GPIO2A2_SEL_SRC_CTRL_SEL_PLUS << GPIO2A2_SEL_SRC_CTRL_SHIFT); + + /* Plus options about GPIO3B2_PLUS, GPIO3B3_PLUS and GPIO2C0_PLUS. */ + rk_clrsetreg(&grf->soc_con15, + GPIO2C0_SEL_SRC_CTRL_MASK | GPIO3B3_SEL_SRC_CTRL_MASK | + GPIO3B2_SEL_SRC_CTRL_MASK, + GPIO2C0_SEL_SRC_CTRL_SEL_PLUS << GPIO2C0_SEL_SRC_CTRL_SHIFT | + GPIO3B3_SEL_SRC_CTRL_SEL_PLUS << GPIO3B3_SEL_SRC_CTRL_SHIFT | + GPIO3B2_SEL_SRC_CTRL_SEL_PLUS << GPIO3B2_SEL_SRC_CTRL_SHIFT); + return 0; } #endif |