3 * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com.
5 * SPDX-License-Identifier: GPL-2.0+
9 #include <asm/arch/stv0991_creg.h>
10 #include <asm/arch/stv0991_periph.h>
11 #include <asm/arch/hardware.h>
13 static struct stv0991_creg *const stv0991_creg = \
14 (struct stv0991_creg *)CREG_BASE_ADDR;
16 int stv0991_pinmux_config(int peripheral)
19 case UART_GPIOC_30_31:
20 /* SSDA/SSCL pad muxing to UART Rx/Dx */
21 writel((readl(&stv0991_creg->mux12) & GPIOC_31_MUX_MASK) |
23 &stv0991_creg->mux12);
24 writel((readl(&stv0991_creg->mux12) & GPIOC_30_MUX_MASK) |
26 &stv0991_creg->mux12);
27 /* SSDA/SSCL pad config to push pull*/
28 writel((readl(&stv0991_creg->cfg_pad6) & GPIOC_31_MODE_MASK) |
30 &stv0991_creg->cfg_pad6);
31 writel((readl(&stv0991_creg->cfg_pad6) & GPIOC_30_MODE_MASK) |
32 CFG_GPIOC_30_MODE_HIGH,
33 &stv0991_creg->cfg_pad6);
35 case UART_GPIOB_16_17:
36 /* ethernet rx_6/7 to UART Rx/Dx */
37 writel((readl(&stv0991_creg->mux7) & GPIOB_17_MUX_MASK) |
40 writel((readl(&stv0991_creg->mux7) & GPIOB_16_MUX_MASK) |
44 case ETH_GPIOB_10_31_C_0_4:
45 writel(readl(&stv0991_creg->mux6) & 0x000000FF,
47 writel(0x00000000, &stv0991_creg->mux7);
48 writel(0x00000000, &stv0991_creg->mux8);
49 writel(readl(&stv0991_creg->mux9) & 0xFFF00000,
51 /* Ethernet Voltage configuration to 1.8V*/
52 writel((readl(&stv0991_creg->vdd_pad1) & VDD_ETH_PS_MASK) |
53 ETH_VDD_CFG, &stv0991_creg->vdd_pad1);
54 writel((readl(&stv0991_creg->vdd_pad1) & VDD_ETH_PS_MASK) |
55 ETH_M_VDD_CFG, &stv0991_creg->vdd_pad1);