#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_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) \
{ \
PMUX_FUNC_ ## f2, \
PMUX_FUNC_ ## f3, \
}, \
- .io = PMUX_PIN_ ## iod, \
}
/* Input and output pins */
#define PIN_RESERVED \
PIN(NONE, NONE, INVALID, INVALID, INVALID, INVALID, NONE)
-const struct tegra_pingroup_desc tegra_soc_pingroups[PINGRP_COUNT] = {
+static const struct tegra_pingroup_desc tegra124_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),
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));
-
- 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]);
-}
+const struct tegra_pingroup_desc *tegra_soc_pingroups = tegra124_pingroups;
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