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arm: rockchip: rk3308: Initialize the iomux configuration

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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>
This commit is contained in:
David Wu 2019-12-03 19:02:50 +08:00 committed by Kever Yang
parent 4ee6d51c5a
commit e0e6c96a67
1 changed files with 37 additions and 0 deletions
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37
arch/arm/mach-rockchip/rk3308/rk3308.c
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@ -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