mirror of
https://github.com/Fishwaldo/u-boot.git
synced 2025-03-21 14:41:31 +00:00
Merge git://git.denx.de/u-boot-uniphier
This commit is contained in:
Tom Rini
commit
1ccd3f14ca
5 changed files with 190 additions and 24 deletions
|
|
@ -43,6 +43,7 @@ CONFIG_NETDEVICES=y
|
|||
CONFIG_SMC911X=y
|
||||
CONFIG_SMC911X_BASE=0x0
|
||||
CONFIG_SMC911X_32_BIT=y
|
||||
CONFIG_PINCONF=y
|
||||
CONFIG_SYSRESET=y
|
||||
CONFIG_SYSRESET_PSCI=y
|
||||
CONFIG_USB=y
|
||||
|
|
|
|||
|
|
@ -16,11 +16,42 @@
|
|||
|
||||
#define UNIPHIER_PINCTRL_PINMUX_BASE 0x1000
|
||||
#define UNIPHIER_PINCTRL_LOAD_PINMUX 0x1700
|
||||
#define UNIPHIER_PINCTRL_DRVCTRL_BASE 0x1800
|
||||
#define UNIPHIER_PINCTRL_DRV2CTRL_BASE 0x1900
|
||||
#define UNIPHIER_PINCTRL_DRV3CTRL_BASE 0x1980
|
||||
#define UNIPHIER_PINCTRL_PUPDCTRL_BASE 0x1a00
|
||||
#define UNIPHIER_PINCTRL_IECTRL 0x1d00
|
||||
|
||||
static const char *uniphier_pinctrl_dummy_name = "_dummy";
|
||||
|
||||
static int uniphier_pinctrl_get_pins_count(struct udevice *dev)
|
||||
{
|
||||
struct uniphier_pinctrl_priv *priv = dev_get_priv(dev);
|
||||
const struct uniphier_pinctrl_pin *pins = priv->socdata->pins;
|
||||
int pins_count = priv->socdata->pins_count;
|
||||
|
||||
/*
|
||||
* We do not list all pins in the pin table to save memory footprint.
|
||||
* Report the max pin number + 1 to fake the framework.
|
||||
*/
|
||||
return pins[pins_count - 1].number + 1;
|
||||
}
|
||||
|
||||
static const char *uniphier_pinctrl_get_pin_name(struct udevice *dev,
|
||||
unsigned int selector)
|
||||
{
|
||||
struct uniphier_pinctrl_priv *priv = dev_get_priv(dev);
|
||||
const struct uniphier_pinctrl_pin *pins = priv->socdata->pins;
|
||||
int pins_count = priv->socdata->pins_count;
|
||||
int i;
|
||||
|
||||
for (i = 0; i < pins_count; i++)
|
||||
if (pins[i].number == selector)
|
||||
return pins[i].name;
|
||||
|
||||
return uniphier_pinctrl_dummy_name;
|
||||
}
|
||||
|
||||
static int uniphier_pinctrl_get_groups_count(struct udevice *dev)
|
||||
{
|
||||
struct uniphier_pinctrl_priv *priv = dev_get_priv(dev);
|
||||
|
|
@ -113,10 +144,25 @@ static const struct pinconf_param uniphier_pinconf_params[] = {
|
|||
{ "bias-pull-up", PIN_CONFIG_BIAS_PULL_UP, 1 },
|
||||
{ "bias-pull-down", PIN_CONFIG_BIAS_PULL_DOWN, 1 },
|
||||
{ "bias-pull-pin-default", PIN_CONFIG_BIAS_PULL_PIN_DEFAULT, 1 },
|
||||
{ "drive-strength", PIN_CONFIG_DRIVE_STRENGTH, 0 },
|
||||
{ "input-enable", PIN_CONFIG_INPUT_ENABLE, 1 },
|
||||
{ "input-disable", PIN_CONFIG_INPUT_ENABLE, 0 },
|
||||
};
|
||||
|
||||
static const struct uniphier_pinctrl_pin *
|
||||
uniphier_pinctrl_pin_get(struct uniphier_pinctrl_priv *priv, unsigned int pin)
|
||||
{
|
||||
const struct uniphier_pinctrl_pin *pins = priv->socdata->pins;
|
||||
int pins_count = priv->socdata->pins_count;
|
||||
int i;
|
||||
|
||||
for (i = 0; i < pins_count; i++)
|
||||
if (pins[i].number == pin)
|
||||
return &pins[i];
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static int uniphier_pinconf_bias_set(struct udevice *dev, unsigned int pin,
|
||||
unsigned int param, unsigned int arg)
|
||||
{
|
||||
|
|
@ -157,8 +203,88 @@ static int uniphier_pinconf_bias_set(struct udevice *dev, unsigned int pin,
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int uniphier_pinconf_set_one(struct udevice *dev, unsigned int pin,
|
||||
unsigned int param, unsigned int arg)
|
||||
static const unsigned int uniphier_pinconf_drv_strengths_1bit[] = {
|
||||
4, 8,
|
||||
};
|
||||
|
||||
static const unsigned int uniphier_pinconf_drv_strengths_2bit[] = {
|
||||
8, 12, 16, 20,
|
||||
};
|
||||
|
||||
static const unsigned int uniphier_pinconf_drv_strengths_3bit[] = {
|
||||
4, 5, 7, 9, 11, 12, 14, 16,
|
||||
};
|
||||
|
||||
static int uniphier_pinconf_drive_set(struct udevice *dev, unsigned int pin,
|
||||
unsigned int strength)
|
||||
{
|
||||
struct uniphier_pinctrl_priv *priv = dev_get_priv(dev);
|
||||
const struct uniphier_pinctrl_pin *desc;
|
||||
const unsigned int *strengths;
|
||||
unsigned int base, stride, width, drvctrl, reg, shift;
|
||||
u32 val, mask, tmp;
|
||||
|
||||
desc = uniphier_pinctrl_pin_get(priv, pin);
|
||||
if (WARN_ON(!desc))
|
||||
return -EINVAL;
|
||||
|
||||
switch (uniphier_pin_get_drv_type(desc->data)) {
|
||||
case UNIPHIER_PIN_DRV_1BIT:
|
||||
strengths = uniphier_pinconf_drv_strengths_1bit;
|
||||
base = UNIPHIER_PINCTRL_DRVCTRL_BASE;
|
||||
stride = 1;
|
||||
width = 1;
|
||||
break;
|
||||
case UNIPHIER_PIN_DRV_2BIT:
|
||||
strengths = uniphier_pinconf_drv_strengths_2bit;
|
||||
base = UNIPHIER_PINCTRL_DRV2CTRL_BASE;
|
||||
stride = 2;
|
||||
width = 2;
|
||||
break;
|
||||
case UNIPHIER_PIN_DRV_3BIT:
|
||||
strengths = uniphier_pinconf_drv_strengths_3bit;
|
||||
base = UNIPHIER_PINCTRL_DRV3CTRL_BASE;
|
||||
stride = 4;
|
||||
width = 3;
|
||||
break;
|
||||
default:
|
||||
/* drive strength control is not supported for this pin */
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
drvctrl = uniphier_pin_get_drvctrl(desc->data);
|
||||
drvctrl *= stride;
|
||||
|
||||
reg = base + drvctrl / 32 * 4;
|
||||
shift = drvctrl % 32;
|
||||
mask = (1U << width) - 1;
|
||||
|
||||
for (val = 0; val <= mask; val++) {
|
||||
if (strengths[val] > strength)
|
||||
break;
|
||||
}
|
||||
|
||||
if (val == 0) {
|
||||
dev_err(dev, "unsupported drive strength %u mA for pin %s\n",
|
||||
strength, desc->name);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
if (!mask)
|
||||
return 0;
|
||||
|
||||
val--;
|
||||
|
||||
tmp = readl(priv->base + reg);
|
||||
tmp &= ~(mask << shift);
|
||||
tmp |= (mask & val) << shift;
|
||||
writel(tmp, priv->base + reg);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int uniphier_pinconf_set(struct udevice *dev, unsigned int pin,
|
||||
unsigned int param, unsigned int arg)
|
||||
{
|
||||
int ret;
|
||||
|
||||
|
|
@ -169,11 +295,14 @@ static int uniphier_pinconf_set_one(struct udevice *dev, unsigned int pin,
|
|||
case PIN_CONFIG_BIAS_PULL_PIN_DEFAULT:
|
||||
ret = uniphier_pinconf_bias_set(dev, pin, param, arg);
|
||||
break;
|
||||
case PIN_CONFIG_DRIVE_STRENGTH:
|
||||
ret = uniphier_pinconf_drive_set(dev, pin, arg);
|
||||
break;
|
||||
case PIN_CONFIG_INPUT_ENABLE:
|
||||
ret = uniphier_pinconf_input_enable(dev, pin, arg);
|
||||
break;
|
||||
default:
|
||||
printf("unsupported configuration parameter %u\n", param);
|
||||
dev_err(dev, "unsupported configuration parameter %u\n", param);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
|
|
@ -190,7 +319,7 @@ static int uniphier_pinconf_group_set(struct udevice *dev,
|
|||
int i, ret;
|
||||
|
||||
for (i = 0; i < grp->num_pins; i++) {
|
||||
ret = uniphier_pinconf_set_one(dev, grp->pins[i], param, arg);
|
||||
ret = uniphier_pinconf_set(dev, grp->pins[i], param, arg);
|
||||
if (ret)
|
||||
return ret;
|
||||
}
|
||||
|
|
@ -268,6 +397,8 @@ static int uniphier_pinmux_group_set(struct udevice *dev,
|
|||
}
|
||||
|
||||
const struct pinctrl_ops uniphier_pinctrl_ops = {
|
||||
.get_pins_count = uniphier_pinctrl_get_pins_count,
|
||||
.get_pin_name = uniphier_pinctrl_get_pin_name,
|
||||
.get_groups_count = uniphier_pinctrl_get_groups_count,
|
||||
.get_group_name = uniphier_pinctrl_get_group_name,
|
||||
.get_functions_count = uniphier_pinmux_get_functions_count,
|
||||
|
|
@ -276,6 +407,7 @@ const struct pinctrl_ops uniphier_pinctrl_ops = {
|
|||
#if CONFIG_IS_ENABLED(PINCONF)
|
||||
.pinconf_num_params = ARRAY_SIZE(uniphier_pinconf_params),
|
||||
.pinconf_params = uniphier_pinconf_params,
|
||||
.pinconf_set = uniphier_pinconf_set,
|
||||
.pinconf_group_set = uniphier_pinconf_group_set,
|
||||
#endif
|
||||
.set_state = pinctrl_generic_set_state,
|
||||
|
|
|
|||
|
|
@ -10,6 +10,15 @@
|
|||
|
||||
#include "pinctrl-uniphier.h"
|
||||
|
||||
static const struct uniphier_pinctrl_pin uniphier_ld20_pins[] = {
|
||||
UNIPHIER_PINCTRL_PIN(40, "RGMII_TXCLK", 28, UNIPHIER_PIN_DRV_3BIT),
|
||||
UNIPHIER_PINCTRL_PIN(41, "RGMII_TXD0", 29, UNIPHIER_PIN_DRV_3BIT),
|
||||
UNIPHIER_PINCTRL_PIN(42, "RGMII_TXD1", 30, UNIPHIER_PIN_DRV_3BIT),
|
||||
UNIPHIER_PINCTRL_PIN(43, "RGMII_TXD2", 31, UNIPHIER_PIN_DRV_3BIT),
|
||||
UNIPHIER_PINCTRL_PIN(44, "RGMII_TXD3", 32, UNIPHIER_PIN_DRV_3BIT),
|
||||
UNIPHIER_PINCTRL_PIN(45, "RGMII_TXCTL", 33, UNIPHIER_PIN_DRV_3BIT),
|
||||
};
|
||||
|
||||
static const unsigned emmc_pins[] = {18, 19, 20, 21, 22, 23, 24, 25};
|
||||
static const int emmc_muxvals[] = {0, 0, 0, 0, 0, 0, 0, 0};
|
||||
static const unsigned emmc_dat8_pins[] = {26, 27, 28, 29};
|
||||
|
|
@ -102,6 +111,8 @@ static const char * const uniphier_ld20_functions[] = {
|
|||
};
|
||||
|
||||
static struct uniphier_pinctrl_socdata uniphier_ld20_pinctrl_socdata = {
|
||||
.pins = uniphier_ld20_pins,
|
||||
.pins_count = ARRAY_SIZE(uniphier_ld20_pins),
|
||||
.groups = uniphier_ld20_groups,
|
||||
.groups_count = ARRAY_SIZE(uniphier_ld20_groups),
|
||||
.functions = uniphier_ld20_functions,
|
||||
|
|
|
|||
|
|
@ -10,17 +10,6 @@
|
|||
|
||||
#include "pinctrl-uniphier.h"
|
||||
|
||||
static const struct uniphier_pinctrl_pin uniphier_ld6b_pins[] = {
|
||||
UNIPHIER_PINCTRL_PIN(113, 0),
|
||||
UNIPHIER_PINCTRL_PIN(114, 0),
|
||||
UNIPHIER_PINCTRL_PIN(115, 0),
|
||||
UNIPHIER_PINCTRL_PIN(116, 0),
|
||||
UNIPHIER_PINCTRL_PIN(217, 0),
|
||||
UNIPHIER_PINCTRL_PIN(218, 0),
|
||||
UNIPHIER_PINCTRL_PIN(219, 0),
|
||||
UNIPHIER_PINCTRL_PIN(220, 0),
|
||||
};
|
||||
|
||||
static const unsigned emmc_pins[] = {36, 37, 38, 39, 40, 41, 42};
|
||||
static const int emmc_muxvals[] = {1, 1, 1, 1, 1, 1, 1};
|
||||
static const unsigned emmc_dat8_pins[] = {43, 44, 45, 46};
|
||||
|
|
@ -134,8 +123,6 @@ static const char * const uniphier_ld6b_functions[] = {
|
|||
};
|
||||
|
||||
static struct uniphier_pinctrl_socdata uniphier_ld6b_pinctrl_socdata = {
|
||||
.pins = uniphier_ld6b_pins,
|
||||
.pins_count = ARRAY_SIZE(uniphier_ld6b_pins),
|
||||
.groups = uniphier_ld6b_groups,
|
||||
.groups_count = ARRAY_SIZE(uniphier_ld6b_groups),
|
||||
.functions = uniphier_ld6b_functions,
|
||||
|
|
|
|||
|
|
@ -8,15 +8,48 @@
|
|||
#define __PINCTRL_UNIPHIER_H__
|
||||
|
||||
#include <linux/bitops.h>
|
||||
#include <linux/bug.h>
|
||||
#include <linux/build_bug.h>
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/types.h>
|
||||
|
||||
#define UNIPHIER_PIN_ATTR_PACKED(iectrl) (iectrl)
|
||||
/* drive strength control register number */
|
||||
#define UNIPHIER_PIN_DRVCTRL_SHIFT 0
|
||||
#define UNIPHIER_PIN_DRVCTRL_BITS 9
|
||||
#define UNIPHIER_PIN_DRVCTRL_MASK ((1U << (UNIPHIER_PIN_DRVCTRL_BITS)) \
|
||||
- 1)
|
||||
|
||||
static inline unsigned int uniphier_pin_get_iectrl(unsigned long data)
|
||||
/* drive control type */
|
||||
#define UNIPHIER_PIN_DRV_TYPE_SHIFT ((UNIPHIER_PIN_DRVCTRL_SHIFT) + \
|
||||
(UNIPHIER_PIN_DRVCTRL_BITS))
|
||||
#define UNIPHIER_PIN_DRV_TYPE_BITS 2
|
||||
#define UNIPHIER_PIN_DRV_TYPE_MASK ((1U << (UNIPHIER_PIN_DRV_TYPE_BITS)) \
|
||||
- 1)
|
||||
|
||||
/* drive control type */
|
||||
enum uniphier_pin_drv_type {
|
||||
UNIPHIER_PIN_DRV_1BIT, /* 2 level control: 4/8 mA */
|
||||
UNIPHIER_PIN_DRV_2BIT, /* 4 level control: 8/12/16/20 mA */
|
||||
UNIPHIER_PIN_DRV_3BIT, /* 8 level control: 4/5/7/9/11/12/14/16 mA */
|
||||
};
|
||||
|
||||
#define UNIPHIER_PIN_DRVCTRL(x) \
|
||||
(((x) & (UNIPHIER_PIN_DRVCTRL_MASK)) << (UNIPHIER_PIN_DRVCTRL_SHIFT))
|
||||
#define UNIPHIER_PIN_DRV_TYPE(x) \
|
||||
(((x) & (UNIPHIER_PIN_DRV_TYPE_MASK)) << (UNIPHIER_PIN_DRV_TYPE_SHIFT))
|
||||
|
||||
#define UNIPHIER_PIN_ATTR_PACKED(drvctrl, drv_type) \
|
||||
UNIPHIER_PIN_DRVCTRL(drvctrl) | \
|
||||
UNIPHIER_PIN_DRV_TYPE(drv_type)
|
||||
|
||||
static inline unsigned int uniphier_pin_get_drvctrl(unsigned int data)
|
||||
{
|
||||
return data;
|
||||
return (data >> UNIPHIER_PIN_DRVCTRL_SHIFT) & UNIPHIER_PIN_DRVCTRL_MASK;
|
||||
}
|
||||
|
||||
static inline unsigned int uniphier_pin_get_drv_type(unsigned int data)
|
||||
{
|
||||
return (data >> UNIPHIER_PIN_DRV_TYPE_SHIFT) &
|
||||
UNIPHIER_PIN_DRV_TYPE_MASK;
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -27,7 +60,8 @@ static inline unsigned int uniphier_pin_get_iectrl(unsigned long data)
|
|||
*/
|
||||
struct uniphier_pinctrl_pin {
|
||||
unsigned number;
|
||||
unsigned long data;
|
||||
const char *name;
|
||||
unsigned int data;
|
||||
};
|
||||
|
||||
/**
|
||||
|
|
@ -72,10 +106,11 @@ struct uniphier_pinctrl_socdata {
|
|||
#define UNIPHIER_PINCTRL_CAPS_MUX_4BIT BIT(0)
|
||||
};
|
||||
|
||||
#define UNIPHIER_PINCTRL_PIN(a, b) \
|
||||
#define UNIPHIER_PINCTRL_PIN(a, b, c, d) \
|
||||
{ \
|
||||
.number = a, \
|
||||
.data = UNIPHIER_PIN_ATTR_PACKED(b), \
|
||||
.name = b, \
|
||||
.data = UNIPHIER_PIN_ATTR_PACKED(c, d), \
|
||||
}
|
||||
|
||||
#define __UNIPHIER_PINCTRL_GROUP(grp) \
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue