--- /dev/null
+/*
+ * (C) Copyright 2013
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/* Tegra124 pin multiplexing functions */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch/pinmux.h>
+
+struct tegra_pingroup_desc {
+ const char *name;
+ enum pmux_func funcs[4];
+ enum pmux_func func_safe;
+ enum pmux_vddio vddio;
+ enum pmux_pin_io io;
+};
+
+#define PMUX_MUXCTL_SHIFT 0
+#define PMUX_PULL_SHIFT 2
+#define PMUX_TRISTATE_SHIFT 4
+#define PMUX_TRISTATE_MASK (1 << PMUX_TRISTATE_SHIFT)
+#define PMUX_IO_SHIFT 5
+#define PMUX_OD_SHIFT 6
+#define PMUX_LOCK_SHIFT 7
+#define PMUX_IO_RESET_SHIFT 8
+#define PMUX_RCV_SEL_SHIFT 9
+
+#define PGRP_HSM_SHIFT 2
+#define PGRP_SCHMT_SHIFT 3
+#define PGRP_LPMD_SHIFT 4
+#define PGRP_LPMD_MASK (3 << PGRP_LPMD_SHIFT)
+#define PGRP_DRVDN_SHIFT 12
+#define PGRP_DRVDN_MASK (0x7F << PGRP_DRVDN_SHIFT)
+#define PGRP_DRVUP_SHIFT 20
+#define PGRP_DRVUP_MASK (0x7F << PGRP_DRVUP_SHIFT)
+#define PGRP_SLWR_SHIFT 28
+#define PGRP_SLWR_MASK (3 << PGRP_SLWR_SHIFT)
+#define PGRP_SLWF_SHIFT 30
+#define PGRP_SLWF_MASK (3 << PGRP_SLWF_SHIFT)
+
+/* Convenient macro for defining pin group properties */
+#define PIN(pg_name, vdd, f0, f1, f2, f3, iod) \
+ { \
+ .vddio = PMUX_VDDIO_ ## vdd, \
+ .funcs = { \
+ PMUX_FUNC_ ## f0, \
+ PMUX_FUNC_ ## f1, \
+ PMUX_FUNC_ ## f2, \
+ PMUX_FUNC_ ## f3, \
+ }, \
+ .func_safe = PMUX_FUNC_RSVD1, \
+ .io = PMUX_PIN_ ## iod, \
+ }
+
+/* Input and output pins */
+#define PINI(pg_name, vdd, f0, f1, f2, f3) \
+ PIN(pg_name, vdd, f0, f1, f2, f3, INPUT)
+#define PINO(pg_name, vdd, f0, f1, f2, f3) \
+ PIN(pg_name, vdd, f0, f1, f2, f3, OUTPUT)
+
+/* A pin group number which is not used */
+#define PIN_RESERVED \
+ PIN(NONE, NONE, INVALID, INVALID, INVALID, INVALID, NONE)
+
+const struct tegra_pingroup_desc tegra_soc_pingroups[PINGRP_COUNT] = {
+ /* NAME VDD f0 f1 f2 f3 */
+ PINI(ULPI_DATA0, BB, SPI3, HSI, UARTA, ULPI),
+ PINI(ULPI_DATA1, BB, SPI3, HSI, UARTA, ULPI),
+ PINI(ULPI_DATA2, BB, SPI3, HSI, UARTA, ULPI),
+ PINI(ULPI_DATA3, BB, SPI3, HSI, UARTA, ULPI),
+ PINI(ULPI_DATA4, BB, SPI2, HSI, UARTA, ULPI),
+ PINI(ULPI_DATA5, BB, SPI2, HSI, UARTA, ULPI),
+ PINI(ULPI_DATA6, BB, SPI2, HSI, UARTA, ULPI),
+ PINI(ULPI_DATA7, BB, SPI2, HSI, UARTA, ULPI),
+ PINI(ULPI_CLK, BB, SPI1, SPI5, UARTD, ULPI),
+ PINI(ULPI_DIR, BB, SPI1, SPI5, UARTD, ULPI),
+ PINI(ULPI_NXT, BB, SPI1, SPI5, UARTD, ULPI),
+ PINI(ULPI_STP, BB, SPI1, SPI5, UARTD, ULPI),
+ PINI(DAP3_FS, BB, I2S2, SPI5, DISPA, DISPB),
+ PINI(DAP3_DIN, BB, I2S2, SPI5, DISPA, DISPB),
+ PINI(DAP3_DOUT, BB, I2S2, SPI5, DISPA, DISPB),
+ PINI(DAP3_SCLK, BB, I2S2, SPI5, DISPA, DISPB),
+ PINI(GPIO_PV0, BB, USB, RSVD2, RSVD3, RSVD4),
+ PINI(GPIO_PV1, BB, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(SDMMC1_CLK, SDMMC1, SDMMC1, CLK12, RSVD3, RSVD4),
+ PINI(SDMMC1_CMD, SDMMC1, SDMMC1, SPDIF, SPI4, UARTA),
+ PINI(SDMMC1_DAT3, SDMMC1, SDMMC1, SPDIF, SPI4, UARTA),
+ PINI(SDMMC1_DAT2, SDMMC1, SDMMC1, PWM0, SPI4, UARTA),
+ PINI(SDMMC1_DAT1, SDMMC1, SDMMC1, PWM1, SPI4, UARTA),
+ PINI(SDMMC1_DAT0, SDMMC1, SDMMC1, RSVD2, SPI4, UARTA),
+ PIN_RESERVED, /* Reserved: 0x3060 - 0x3064 */
+ PIN_RESERVED,
+ PINI(CLK2_OUT, SDMMC1, EXTPERIPH2, RSVD2, RSVD3, RSVD4),
+ PINI(CLK2_REQ, SDMMC1, DAP, RSVD2, RSVD3, RSVD4),
+ PIN_RESERVED, /* Reserved: 0x3070 - 0x310c */
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PINI(HDMI_INT, LCD, RSVD1, RSVD2, RSVD3, RSVD4),
+ PINI(DDC_SCL, LCD, I2C4, RSVD2, RSVD3, RSVD4),
+ PINI(DDC_SDA, LCD, I2C4, RSVD2, RSVD3, RSVD4),
+ PIN_RESERVED, /* Reserved: 0x311c - 0x3160 */
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PINI(UART2_RXD, UART, UARTB, SPDIF, UARTA, SPI4),
+ PINI(UART2_TXD, UART, UARTB, SPDIF, UARTA, SPI4),
+ PINI(UART2_RTS_N, UART, UARTA, UARTB, RSVD3, SPI4),
+ PINI(UART2_CTS_N, UART, UARTA, UARTB, RSVD3, SPI4),
+ PINI(UART3_TXD, UART, UARTC, RSVD2, RSVD3, SPI4),
+ PINI(UART3_RXD, UART, UARTC, RSVD2, RSVD3, SPI4),
+ PINI(UART3_CTS_N, UART, UARTC, SDMMC1, DTV, SPI4),
+ PINI(UART3_RTS_N, UART, UARTC, PWM0, DTV, DISPA),
+ PINI(GPIO_PU0, UART, OWR, UARTA, RSVD3, RSVD4),
+ PINI(GPIO_PU1, UART, RSVD1, UARTA, RSVD3, RSVD4),
+ PINI(GPIO_PU2, UART, RSVD1, UARTA, RSVD3, RSVD4),
+ PINI(GPIO_PU3, UART, PWM0, UARTA, DISPA, DISPB),
+ PINI(GPIO_PU4, UART, PWM1, UARTA, DISPA, DISPB),
+ PINI(GPIO_PU5, UART, PWM2, UARTA, DISPA, DISPB),
+ PINI(GPIO_PU6, UART, PWM3, UARTA, USB, DISPB),
+ PINI(GEN1_I2C_SDA, UART, I2C1, RSVD2, RSVD3, RSVD4),
+ PINI(GEN1_I2C_SCL, UART, I2C1, RSVD2, RSVD3, RSVD4),
+ PINI(DAP4_FS, UART, I2S3, RSVD2, DTV, RSVD4),
+ PINI(DAP4_DIN, UART, I2S3, RSVD2, RSVD3, RSVD4),
+ PINI(DAP4_DOUT, UART, I2S3, RSVD2, DTV, RSVD4),
+ PINI(DAP4_SCLK, UART, I2S3, RSVD2, RSVD3, RSVD4),
+ PINI(CLK3_OUT, UART, EXTPERIPH3, RSVD2, RSVD3, RSVD4),
+ PINI(CLK3_REQ, UART, DEV3, RSVD2, RSVD3, RSVD4),
+ PINI(GMI_WP_N, GMI, RSVD1, NAND, GMI, GMI_ALT),
+ PINI(GMI_IORDY, GMI, SDMMC2, RSVD2, GMI, TRACE),
+ PINI(GMI_WAIT, GMI, SPI4, NAND, GMI, DTV),
+ PINI(GMI_ADV_N, GMI, RSVD1, NAND, GMI, TRACE),
+ PINI(GMI_CLK, GMI, SDMMC2, NAND, GMI, TRACE),
+ PINI(GMI_CS0_N, GMI, RSVD1, NAND, GMI, USB),
+ PINI(GMI_CS1_N, GMI, RSVD1, NAND, GMI, SOC),
+ PINI(GMI_CS2_N, GMI, SDMMC2, NAND, GMI, TRACE),
+ PINI(GMI_CS3_N, GMI, SDMMC2, NAND, GMI, GMI_ALT),
+ PINI(GMI_CS4_N, GMI, USB, NAND, GMI, TRACE),
+ PINI(GMI_CS6_N, GMI, NAND, NAND_ALT, GMI, SPI4),
+ PINI(GMI_CS7_N, GMI, NAND, NAND_ALT, GMI, SDMMC2),
+ PINI(GMI_AD0, GMI, RSVD1, NAND, GMI, RSVD4),
+ PINI(GMI_AD1, GMI, RSVD1, NAND, GMI, RSVD4),
+ PINI(GMI_AD2, GMI, RSVD1, NAND, GMI, RSVD4),
+ PINI(GMI_AD3, GMI, RSVD1, NAND, GMI, RSVD4),
+ PINI(GMI_AD4, GMI, RSVD1, NAND, GMI, RSVD4),
+ PINI(GMI_AD5, GMI, RSVD1, NAND, GMI, SPI4),
+ PINI(GMI_AD6, GMI, RSVD1, NAND, GMI, SPI4),
+ PINI(GMI_AD7, GMI, RSVD1, NAND, GMI, SPI4),
+ PINI(GMI_AD8, GMI, PWM0, NAND, GMI, DTV),
+ PINI(GMI_AD9, GMI, PWM1, NAND, GMI, CLDVFS),
+ PINI(GMI_AD10, GMI, PWM2, NAND, GMI, CLDVFS),
+ PINI(GMI_AD11, GMI, PWM3, NAND, GMI, USB),
+ PINI(GMI_AD12, GMI, SDMMC2, NAND, GMI, RSVD4),
+ PINI(GMI_AD13, GMI, SDMMC2, NAND, GMI, RSVD4),
+ PINI(GMI_AD14, GMI, SDMMC2, NAND, GMI, DTV),
+ PINI(GMI_AD15, GMI, SDMMC2, NAND, GMI, DTV),
+ PINI(GMI_A16, GMI, UARTD, TRACE, GMI, GMI_ALT),
+ PINI(GMI_A17, GMI, UARTD, RSVD2, GMI, TRACE),
+ PINI(GMI_A18, GMI, UARTD, RSVD2, GMI, TRACE),
+ PINI(GMI_A19, GMI, UARTD, SPI4, GMI, TRACE),
+ PINI(GMI_WR_N, GMI, RSVD1, NAND, GMI, SPI4),
+ PINI(GMI_OE_N, GMI, RSVD1, NAND, GMI, SOC),
+ PINI(GMI_DQS, GMI, SDMMC2, NAND, GMI, TRACE),
+ PINI(GMI_RST_N, GMI, NAND, NAND_ALT, GMI, RSVD4),
+ PINI(GEN2_I2C_SCL, GMI, I2C2, RSVD2, GMI, RSVD4),
+ PINI(GEN2_I2C_SDA, GMI, I2C2, RSVD2, GMI, RSVD4),
+ PINI(SDMMC4_CLK, SDMMC4, SDMMC4, RSVD2, GMI, RSVD4),
+ PINI(SDMMC4_CMD, SDMMC4, SDMMC4, RSVD2, GMI, RSVD4),
+ PINI(SDMMC4_DAT0, SDMMC4, SDMMC4, SPI3, GMI, RSVD4),
+ PINI(SDMMC4_DAT1, SDMMC4, SDMMC4, SPI3, GMI, RSVD4),
+ PINI(SDMMC4_DAT2, SDMMC4, SDMMC4, SPI3, GMI, RSVD4),
+ PINI(SDMMC4_DAT3, SDMMC4, SDMMC4, SPI3, GMI, RSVD4),
+ PINI(SDMMC4_DAT4, SDMMC4, SDMMC4, SPI3, GMI, RSVD4),
+ PINI(SDMMC4_DAT5, SDMMC4, SDMMC4, SPI3, GMI, RSVD4),
+ PINI(SDMMC4_DAT6, SDMMC4, SDMMC4, SPI3, GMI, RSVD4),
+ PINI(SDMMC4_DAT7, SDMMC4, SDMMC4, RSVD2, GMI, RSVD4),
+ PIN_RESERVED, /* Reserved: 0x3280 */
+ PINI(CAM_MCLK, CAM, VI, VI_ALT1, VI_ALT3, RSVD4),
+ PINI(GPIO_PCC1, CAM, I2S4, RSVD2, RSVD3, RSVD4),
+ PINI(GPIO_PBB0, CAM, I2S4, VI, VI_ALT1, VI_ALT3),
+ PINI(CAM_I2C_SCL, CAM, VGP1, I2C3, RSVD3, RSVD4),
+ PINI(CAM_I2C_SDA, CAM, VGP2, I2C3, RSVD3, RSVD4),
+ PINI(GPIO_PBB3, CAM, VGP3, DISPA, DISPB, RSVD4),
+ PINI(GPIO_PBB4, CAM, VGP4, DISPA, DISPB, RSVD4),
+ PINI(GPIO_PBB5, CAM, VGP5, DISPA, DISPB, RSVD4),
+ PINI(GPIO_PBB6, CAM, VGP6, DISPA, DISPB, RSVD4),
+ PINI(GPIO_PBB7, CAM, I2S4, RSVD2, RSVD3, RSVD4),
+ PINI(GPIO_PCC2, CAM, I2S4, RSVD2, RSVD3, RSVD4),
+ PINI(JTAG_RTCK, SYS, RTCK, RSVD2, RSVD3, RSVD4),
+ PINI(PWR_I2C_SCL, SYS, I2CPWR, RSVD2, RSVD3, RSVD4),
+ PINI(PWR_I2C_SDA, SYS, I2CPWR, RSVD2, RSVD3, RSVD4),
+ PINI(KB_ROW0, SYS, KBC, RSVD2, DTV, RSVD4),
+ PINI(KB_ROW1, SYS, KBC, RSVD2, DTV, RSVD4),
+ PINI(KB_ROW2, SYS, KBC, RSVD2, DTV, SOC),
+ PINI(KB_ROW3, SYS, KBC, DISPA, RSVD3, DISPB),
+ PINI(KB_ROW4, SYS, KBC, DISPA, SPI2, DISPB),
+ PINI(KB_ROW5, SYS, KBC, DISPA, SPI2, DISPB),
+ PINI(KB_ROW6, SYS, KBC, DISPA, RSVD3, DISPB),
+ PINI(KB_ROW7, SYS, KBC, RSVD2, CLDVFS, UARTA),
+ PINI(KB_ROW8, SYS, KBC, RSVD2, RSVD3, UARTA),
+ PINI(KB_ROW9, SYS, KBC, RSVD2, RSVD3, UARTA),
+ PINI(KB_ROW10, SYS, KBC, RSVD2, RSVD3, UARTA),
+ PIN_RESERVED, /* Reserved: 0x32e8 - 0x32f8 */
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PINI(KB_COL0, SYS, KBC, USB, SPI2, EMC_DLL),
+ PINI(KB_COL1, SYS, KBC, RSVD2, SPI2, EMC_DLL),
+ PINI(KB_COL2, SYS, KBC, RSVD2, SPI2, RSVD4),
+ PINI(KB_COL3, SYS, KBC, DISPA, PWM2, UARTA),
+ PINI(KB_COL4, SYS, KBC, OWR, SDMMC3, UARTA),
+ PINI(KB_COL5, SYS, KBC, RSVD2, SDMMC1, RSVD4),
+ PINI(KB_COL6, SYS, KBC, RSVD2, SPI2, RSVD4),
+ PINI(KB_COL7, SYS, KBC, RSVD2, SPI2, RSVD4),
+ PINI(CLK_32K_OUT, SYS, BLINK, SOC, RSVD3, RSVD4),
+ PINI(SYS_CLK_REQ, SYS, SYSCLK, RSVD2, RSVD3, RSVD4),
+ PINI(CORE_PWR_REQ, SYS, PWRON, RSVD2, RSVD3, RSVD4),
+ PINI(CPU_PWR_REQ, SYS, CPU, RSVD2, RSVD3, RSVD4),
+ PINI(PWR_INT_N, SYS, PMI, RSVD2, RSVD3, RSVD4),
+ PINI(CLK_32K_IN, SYS, CLK, RSVD2, RSVD3, RSVD4),
+ PINI(OWR, SYS, OWR, RSVD2, RSVD3, RSVD4),
+ PINI(DAP1_FS, AUDIO, I2S0, HDA, GMI, RSVD4),
+ PINI(DAP1_DIN, AUDIO, I2S0, HDA, GMI, RSVD4),
+ PINI(DAP1_DOUT, AUDIO, I2S0, HDA, GMI, RSVD4),
+ PINI(DAP1_SCLK, AUDIO, I2S0, HDA, GMI, RSVD4),
+ PINI(CLK1_REQ, AUDIO, DAP, DAP1, RSVD3, RSVD4),
+ PINI(CLK1_OUT, AUDIO, EXTPERIPH1, DAP2, RSVD3, RSVD4),
+ PINI(SPDIF_IN, AUDIO, SPDIF, USB, RSVD3, RSVD4),
+ PINI(SPDIF_OUT, AUDIO, SPDIF, RSVD2, RSVD3, RSVD4),
+ PINI(DAP2_FS, AUDIO, I2S1, HDA, RSVD3, RSVD4),
+ PINI(DAP2_DIN, AUDIO, I2S1, HDA, RSVD3, RSVD4),
+ PINI(DAP2_DOUT, AUDIO, I2S1, HDA, RSVD3, RSVD4),
+ PINI(DAP2_SCLK, AUDIO, I2S1, HDA, RSVD3, RSVD4),
+ PINI(DVFS_PWM, AUDIO, SPI6, CLDVFS, RSVD3, RSVD4),
+ PINI(GPIO_X1_AUD, AUDIO, SPI6, RSVD2, RSVD3, RSVD4),
+ PINI(GPIO_X3_AUD, AUDIO, SPI6, SPI1, RSVD3, RSVD4),
+ PINI(DVFS_CLK, AUDIO, SPI6, CLDVFS, RSVD3, RSVD4),
+ PINI(GPIO_X4_AUD, AUDIO, RSVD1, SPI1, SPI2, DAP2),
+ PINI(GPIO_X5_AUD, AUDIO, RSVD1, SPI1, SPI2, RSVD4),
+ PINI(GPIO_X6_AUD, AUDIO, SPI6, SPI1, SPI2, RSVD4),
+ PINI(GPIO_X7_AUD, AUDIO, RSVD1, SPI1, SPI2, RSVD4),
+ PIN_RESERVED, /* Reserved: 0x3388 - 0x338c */
+ PIN_RESERVED,
+ PINI(SDMMC3_CLK, SDMMC3, SDMMC3, RSVD2, RSVD3, SPI3),
+ PINI(SDMMC3_CMD, SDMMC3, SDMMC3, PWM3, UARTA, SPI3),
+ PINI(SDMMC3_DAT0, SDMMC3, SDMMC3, RSVD2, RSVD3, SPI3),
+ PINI(SDMMC3_DAT1, SDMMC3, SDMMC3, PWM2, UARTA, SPI3),
+ PINI(SDMMC3_DAT2, SDMMC3, SDMMC3, PWM1, DISPA, SPI3),
+ PINI(SDMMC3_DAT3, SDMMC3, SDMMC3, PWM0, DISPB, SPI3),
+ PIN_RESERVED, /* Reserved: 0x33a8 - 0x33dc */
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PINI(HDMI_CEC, SYS, CEC, SDMMC3, RSVD3, SOC),
+ PINI(SDMMC1_WP_N, SDMMC1, SDMMC1, CLK12, SPI4, UARTA),
+ PINI(SDMMC3_CD_N, SYS, SDMMC3, OWR, RSVD3, RSVD4),
+ PINI(GPIO_W2_AUD, AUDIO, SPI6, RSVD2, SPI2, I2C1),
+ PINI(GPIO_W3_AUD, AUDIO, SPI6, SPI1, SPI2, I2C1),
+ PINI(USB_VBUS_EN0, LCD, USB, RSVD2, RSVD3, RSVD4),
+ PINI(USB_VBUS_EN1, LCD, USB, RSVD2, RSVD3, RSVD4),
+ PINI(SDMMC3_CLK_LB_IN, SDMMC3, SDMMC3, RSVD2, RSVD3, RSVD4),
+ PINI(SDMMC3_CLK_LB_OUT, SDMMC3, SDMMC3, RSVD2, RSVD3, RSVD4),
+ PIN_RESERVED, /* Reserved: 0x3404 */
+ PINO(RESET_OUT_N, SYS, RSVD1, RSVD2, RSVD3, RESET_OUT_N),
+};
+
+void pinmux_set_tristate(enum pmux_pingrp pin, int enable)
+{
+ struct pmux_tri_ctlr *pmt =
+ (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
+ u32 *tri = &pmt->pmt_ctl[pin];
+ u32 reg;
+
+ /* Error check on pin */
+ assert(pmux_pingrp_isvalid(pin));
+
+ reg = readl(tri);
+ if (enable)
+ reg |= PMUX_TRISTATE_MASK;
+ else
+ reg &= ~PMUX_TRISTATE_MASK;
+ writel(reg, tri);
+}
+
+void pinmux_tristate_enable(enum pmux_pingrp pin)
+{
+ pinmux_set_tristate(pin, 1);
+}
+
+void pinmux_tristate_disable(enum pmux_pingrp pin)
+{
+ pinmux_set_tristate(pin, 0);
+}
+
+void pinmux_set_pullupdown(enum pmux_pingrp pin, enum pmux_pull pupd)
+{
+ struct pmux_tri_ctlr *pmt =
+ (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
+ u32 *pull = &pmt->pmt_ctl[pin];
+ u32 reg;
+
+ /* Error check on pin and pupd */
+ assert(pmux_pingrp_isvalid(pin));
+ assert(pmux_pin_pupd_isvalid(pupd));
+
+ reg = readl(pull);
+ reg &= ~(0x3 << PMUX_PULL_SHIFT);
+ reg |= (pupd << PMUX_PULL_SHIFT);
+ writel(reg, pull);
+}
+
+void pinmux_set_func(enum pmux_pingrp pin, enum pmux_func func)
+{
+ struct pmux_tri_ctlr *pmt =
+ (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
+ u32 *muxctl = &pmt->pmt_ctl[pin];
+ int i, mux = -1;
+ u32 reg;
+
+ /* Error check on pin and func */
+ assert(pmux_pingrp_isvalid(pin));
+ assert(pmux_func_isvalid(func));
+
+ /* Handle special values */
+ if (func == PMUX_FUNC_SAFE)
+ func = tegra_soc_pingroups[pin].func_safe;
+
+ if (func & PMUX_FUNC_RSVD1) {
+ mux = func & 0x3;
+ } else {
+ /* Search for the appropriate function */
+ for (i = 0; i < 4; i++) {
+ if (tegra_soc_pingroups[pin].funcs[i] == func) {
+ mux = i;
+ break;
+ }
+ }
+ }
+ assert(mux != -1);
+
+ reg = readl(muxctl);
+ reg &= ~(0x3 << PMUX_MUXCTL_SHIFT);
+ reg |= (mux << PMUX_MUXCTL_SHIFT);
+ writel(reg, muxctl);
+}
+
+void pinmux_set_io(enum pmux_pingrp pin, enum pmux_pin_io io)
+{
+ struct pmux_tri_ctlr *pmt =
+ (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
+ u32 *pin_io = &pmt->pmt_ctl[pin];
+ u32 reg;
+
+ /* Error check on pin and io */
+ assert(pmux_pingrp_isvalid(pin));
+ assert(pmux_pin_io_isvalid(io));
+
+ reg = readl(pin_io);
+ reg &= ~(0x1 << PMUX_IO_SHIFT);
+ reg |= (io & 0x1) << PMUX_IO_SHIFT;
+ writel(reg, pin_io);
+}
+
+static int pinmux_set_lock(enum pmux_pingrp pin, enum pmux_pin_lock lock)
+{
+ struct pmux_tri_ctlr *pmt =
+ (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
+ u32 *pin_lock = &pmt->pmt_ctl[pin];
+ u32 reg;
+
+ /* Error check on pin and lock */
+ assert(pmux_pingrp_isvalid(pin));
+ assert(pmux_pin_lock_isvalid(lock));
+
+ if (lock == PMUX_PIN_LOCK_DEFAULT)
+ return 0;
+
+ reg = readl(pin_lock);
+ reg &= ~(0x1 << PMUX_LOCK_SHIFT);
+ if (lock == PMUX_PIN_LOCK_ENABLE) {
+ reg |= (0x1 << PMUX_LOCK_SHIFT);
+ } else {
+ /* lock == DISABLE, which isn't possible */
+ printf("%s: Warning: lock == %d, DISABLE is not allowed!\n",
+ __func__, lock);
+ }
+ writel(reg, pin_lock);
+
+ return 0;
+}
+
+static int pinmux_set_od(enum pmux_pingrp pin, enum pmux_pin_od od)
+{
+ struct pmux_tri_ctlr *pmt =
+ (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
+ u32 *pin_od = &pmt->pmt_ctl[pin];
+ u32 reg;
+
+ /* Error check on pin and od */
+ assert(pmux_pingrp_isvalid(pin));
+ assert(pmux_pin_od_isvalid(od));
+
+ if (od == PMUX_PIN_OD_DEFAULT)
+ return 0;
+
+ reg = readl(pin_od);
+ reg &= ~(0x1 << PMUX_OD_SHIFT);
+ if (od == PMUX_PIN_OD_ENABLE)
+ reg |= (0x1 << PMUX_OD_SHIFT);
+ writel(reg, pin_od);
+
+ return 0;
+}
+
+static int pinmux_set_ioreset(enum pmux_pingrp pin,
+ enum pmux_pin_ioreset ioreset)
+{
+ struct pmux_tri_ctlr *pmt =
+ (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
+ u32 *pin_ioreset = &pmt->pmt_ctl[pin];
+ u32 reg;
+
+ /* Error check on pin and ioreset */
+ assert(pmux_pingrp_isvalid(pin));
+ assert(pmux_pin_ioreset_isvalid(ioreset));
+
+ if (ioreset == PMUX_PIN_IO_RESET_DEFAULT)
+ return 0;
+
+ reg = readl(pin_ioreset);
+ reg &= ~(0x1 << PMUX_IO_RESET_SHIFT);
+ if (ioreset == PMUX_PIN_IO_RESET_ENABLE)
+ reg |= (0x1 << PMUX_IO_RESET_SHIFT);
+ writel(reg, pin_ioreset);
+
+ return 0;
+}
+
+static int pinmux_set_rcv_sel(enum pmux_pingrp pin,
+ enum pmux_pin_rcv_sel rcv_sel)
+{
+ struct pmux_tri_ctlr *pmt =
+ (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
+ u32 *pin_rcv_sel = &pmt->pmt_ctl[pin];
+ u32 reg;
+
+ /* Error check on pin and rcv_sel */
+ assert(pmux_pingrp_isvalid(pin));
+ assert(pmux_pin_rcv_sel_isvalid(rcv_sel));
+
+ if (rcv_sel == PMUX_PIN_RCV_SEL_DEFAULT)
+ return 0;
+
+ reg = readl(pin_rcv_sel);
+ reg &= ~(0x1 << PMUX_RCV_SEL_SHIFT);
+ if (rcv_sel == PMUX_PIN_RCV_SEL_HIGH)
+ reg |= (0x1 << PMUX_RCV_SEL_SHIFT);
+ writel(reg, pin_rcv_sel);
+
+ return 0;
+}
+
+void pinmux_config_pingroup(struct pingroup_config *config)
+{
+ enum pmux_pingrp pin = config->pingroup;
+
+ pinmux_set_func(pin, config->func);
+ pinmux_set_pullupdown(pin, config->pull);
+ pinmux_set_tristate(pin, config->tristate);
+ pinmux_set_io(pin, config->io);
+ pinmux_set_lock(pin, config->lock);
+ pinmux_set_od(pin, config->od);
+ pinmux_set_ioreset(pin, config->ioreset);
+ pinmux_set_rcv_sel(pin, config->rcv_sel);
+}
+
+void pinmux_config_table(struct pingroup_config *config, int len)
+{
+ int i;
+
+ for (i = 0; i < len; i++)
+ pinmux_config_pingroup(&config[i]);
+}
+
+static int padgrp_set_drvup_slwf(enum pdrive_pingrp pad, int slwf)
+{
+ struct pmux_tri_ctlr *pmt =
+ (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
+ u32 *pad_slwf = &pmt->pmt_drive[pad];
+ u32 reg;
+
+ /* Error check on pad and slwf */
+ assert(pmux_padgrp_isvalid(pad));
+ assert(pmux_pad_slw_isvalid(slwf));
+
+ /* NONE means unspecified/do not change/use POR value */
+ if (slwf == PGRP_SLWF_NONE)
+ return 0;
+
+ reg = readl(pad_slwf);
+ reg &= ~PGRP_SLWF_MASK;
+ reg |= (slwf << PGRP_SLWF_SHIFT);
+ writel(reg, pad_slwf);
+
+ return 0;
+}
+
+static int padgrp_set_drvdn_slwr(enum pdrive_pingrp pad, int slwr)
+{
+ struct pmux_tri_ctlr *pmt =
+ (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
+ u32 *pad_slwr = &pmt->pmt_drive[pad];
+ u32 reg;
+
+ /* Error check on pad and slwr */
+ assert(pmux_padgrp_isvalid(pad));
+ assert(pmux_pad_slw_isvalid(slwr));
+
+ /* NONE means unspecified/do not change/use POR value */
+ if (slwr == PGRP_SLWR_NONE)
+ return 0;
+
+ reg = readl(pad_slwr);
+ reg &= ~PGRP_SLWR_MASK;
+ reg |= (slwr << PGRP_SLWR_SHIFT);
+ writel(reg, pad_slwr);
+
+ return 0;
+}
+
+static int padgrp_set_drvup(enum pdrive_pingrp pad, int drvup)
+{
+ struct pmux_tri_ctlr *pmt =
+ (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
+ u32 *pad_drvup = &pmt->pmt_drive[pad];
+ u32 reg;
+
+ /* Error check on pad and drvup */
+ assert(pmux_padgrp_isvalid(pad));
+ assert(pmux_pad_drv_isvalid(drvup));
+
+ /* NONE means unspecified/do not change/use POR value */
+ if (drvup == PGRP_DRVUP_NONE)
+ return 0;
+
+ reg = readl(pad_drvup);
+ reg &= ~PGRP_DRVUP_MASK;
+ reg |= (drvup << PGRP_DRVUP_SHIFT);
+ writel(reg, pad_drvup);
+
+ return 0;
+}
+
+static int padgrp_set_drvdn(enum pdrive_pingrp pad, int drvdn)
+{
+ struct pmux_tri_ctlr *pmt =
+ (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
+ u32 *pad_drvdn = &pmt->pmt_drive[pad];
+ u32 reg;
+
+ /* Error check on pad and drvdn */
+ assert(pmux_padgrp_isvalid(pad));
+ assert(pmux_pad_drv_isvalid(drvdn));
+
+ /* NONE means unspecified/do not change/use POR value */
+ if (drvdn == PGRP_DRVDN_NONE)
+ return 0;
+
+ reg = readl(pad_drvdn);
+ reg &= ~PGRP_DRVDN_MASK;
+ reg |= (drvdn << PGRP_DRVDN_SHIFT);
+ writel(reg, pad_drvdn);
+
+ return 0;
+}
+
+static int padgrp_set_lpmd(enum pdrive_pingrp pad, enum pgrp_lpmd lpmd)
+{
+ struct pmux_tri_ctlr *pmt =
+ (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
+ u32 *pad_lpmd = &pmt->pmt_drive[pad];
+ u32 reg;
+
+ /* Error check pad and lpmd value */
+ assert(pmux_padgrp_isvalid(pad));
+ assert(pmux_pad_lpmd_isvalid(lpmd));
+
+ /* NONE means unspecified/do not change/use POR value */
+ if (lpmd == PGRP_LPMD_NONE)
+ return 0;
+
+ reg = readl(pad_lpmd);
+ reg &= ~PGRP_LPMD_MASK;
+ reg |= (lpmd << PGRP_LPMD_SHIFT);
+ writel(reg, pad_lpmd);
+
+ return 0;
+}
+
+static int padgrp_set_schmt(enum pdrive_pingrp pad, enum pgrp_schmt schmt)
+{
+ struct pmux_tri_ctlr *pmt =
+ (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
+ u32 *pad_schmt = &pmt->pmt_drive[pad];
+ u32 reg;
+
+ /* Error check pad */
+ assert(pmux_padgrp_isvalid(pad));
+
+ /* NONE means unspecified/do not change/use POR value */
+ if (schmt == PGRP_SCHMT_NONE)
+ return 0;
+
+ reg = readl(pad_schmt);
+ reg &= ~(1 << PGRP_SCHMT_SHIFT);
+ if (schmt == PGRP_SCHMT_ENABLE)
+ reg |= (0x1 << PGRP_SCHMT_SHIFT);
+ writel(reg, pad_schmt);
+
+ return 0;
+}
+static int padgrp_set_hsm(enum pdrive_pingrp pad, enum pgrp_hsm hsm)
+{
+ struct pmux_tri_ctlr *pmt =
+ (struct pmux_tri_ctlr *)NV_PA_APB_MISC_BASE;
+ u32 *pad_hsm = &pmt->pmt_drive[pad];
+ u32 reg;
+
+ /* Error check pad */
+ assert(pmux_padgrp_isvalid(pad));
+
+ /* NONE means unspecified/do not change/use POR value */
+ if (hsm == PGRP_HSM_NONE)
+ return 0;
+
+ reg = readl(pad_hsm);
+ reg &= ~(1 << PGRP_HSM_SHIFT);
+ if (hsm == PGRP_HSM_ENABLE)
+ reg |= (0x1 << PGRP_HSM_SHIFT);
+ writel(reg, pad_hsm);
+
+ return 0;
+}
+
+void padctrl_config_pingroup(struct padctrl_config *config)
+{
+ enum pdrive_pingrp pad = config->padgrp;
+
+ padgrp_set_drvup_slwf(pad, config->slwf);
+ padgrp_set_drvdn_slwr(pad, config->slwr);
+ padgrp_set_drvup(pad, config->drvup);
+ padgrp_set_drvdn(pad, config->drvdn);
+ padgrp_set_lpmd(pad, config->lpmd);
+ padgrp_set_schmt(pad, config->schmt);
+ padgrp_set_hsm(pad, config->hsm);
+}
+
+void padgrp_config_table(struct padctrl_config *config, int len)
+{
+ int i;
+
+ for (i = 0; i < len; i++)
+ padctrl_config_pingroup(&config[i]);
+}
projects / karo-tx-uboot.git / blobdiff