On 2019/11/26 上午9:06, David Wu wrote:
When we want to use plus iomux feature, we need to enable them at spl.
Signed-off-by: David Wu david.wu@rock-chips.com
arch/arm/mach-rockchip/rk3308/rk3308.c | 33 ++++++++++++++++++++++++++ 1 file changed, 33 insertions(+)
diff --git a/arch/arm/mach-rockchip/rk3308/rk3308.c b/arch/arm/mach-rockchip/rk3308/rk3308.c index f27f9e8c0b..bd99899094 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 +183,26 @@ __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);
rk_clrsetreg(&grf->soc_con13,
Please add a comment for this two reg write.
Thanks,
- Kever
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);- 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 |GPIO3B3_SEL_SRC_CTRL_SEL_PLUS << GPIO3B2_SEL_SRC_CTRL_SHIFT);- return 0; } #endif