1 files changed, 0 insertions, 629 deletions

diff --git a/qemu/roms/u-boot/drivers/gpio/sh_pfc.c b/qemu/roms/u-boot/drivers/gpio/sh_pfc.c
deleted file mode 100644
index 7a5af20a2..000000000
--- a/qemu/roms/u-boot/drivers/gpio/sh_pfc.c
+++ /dev/null
@@ -1,629 +0,0 @@
-/*
- * Pinmuxed GPIO support for SuperH.
- * Copy from linux kernel driver/sh/pfc.c
- *
- * Copyright (C) 2008 Magnus Damm
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-
-#include <common.h>
-#include <asm/bitops.h>
-#include <asm/io.h>
-#include <sh_pfc.h>
-
-static struct pinmux_info *gpioc;
-
-#define pfc_phys_to_virt(p, a) ((void *)a)
-
-static int enum_in_range(pinmux_enum_t enum_id, struct pinmux_range *r)
-{
-	if (enum_id < r->begin)
-		return 0;
-
-	if (enum_id > r->end)
-		return 0;
-
-	return 1;
-}
-
-static unsigned long gpio_read_raw_reg(void *mapped_reg,
-				       unsigned long reg_width)
-{
-	switch (reg_width) {
-
-	case 8:
-		return readb(mapped_reg);
-	case 16:
-		return readw(mapped_reg);
-	case 32:
-		return readl(mapped_reg);
-	}
-
-	BUG();
-	return 0;
-}
-
-static void gpio_write_raw_reg(void *mapped_reg,
-			       unsigned long reg_width,
-			       unsigned long data)
-{
-	switch (reg_width) {
-	case 8:
-		writeb(data, mapped_reg);
-		return;
-	case 16:
-		writew(data, mapped_reg);
-		return;
-	case 32:
-		writel(data, mapped_reg);
-		return;
-	}
-
-	BUG();
-}
-
-static int gpio_read_bit(struct pinmux_data_reg *dr,
-			 unsigned long in_pos)
-{
-	unsigned long pos;
-
-	pos = dr->reg_width - (in_pos + 1);
-
-	debug("read_bit: addr = %lx, pos = %ld, "
-		 "r_width = %ld\n", dr->reg, pos, dr->reg_width);
-
-	return (gpio_read_raw_reg(dr->mapped_reg, dr->reg_width) >> pos) & 1;
-}
-
-static void gpio_write_bit(struct pinmux_data_reg *dr,
-			   unsigned long in_pos, unsigned long value)
-{
-	unsigned long pos;
-
-	pos = dr->reg_width - (in_pos + 1);
-
-	debug("write_bit addr = %lx, value = %d, pos = %ld, "
-		 "r_width = %ld\n",
-		 dr->reg, !!value, pos, dr->reg_width);
-
-	if (value)
-		__set_bit(pos, &dr->reg_shadow);
-	else
-		__clear_bit(pos, &dr->reg_shadow);
-
-	gpio_write_raw_reg(dr->mapped_reg, dr->reg_width, dr->reg_shadow);
-}
-
-static void config_reg_helper(struct pinmux_info *gpioc,
-			      struct pinmux_cfg_reg *crp,
-			      unsigned long in_pos,
-#if 0
-			      void __iomem **mapped_regp,
-#else
-			      void **mapped_regp,
-#endif
-			      unsigned long *maskp,
-			      unsigned long *posp)
-{
-	int k;
-
-	*mapped_regp = pfc_phys_to_virt(gpioc, crp->reg);
-
-	if (crp->field_width) {
-		*maskp = (1 << crp->field_width) - 1;
-		*posp = crp->reg_width - ((in_pos + 1) * crp->field_width);
-	} else {
-		*maskp = (1 << crp->var_field_width[in_pos]) - 1;
-		*posp = crp->reg_width;
-		for (k = 0; k <= in_pos; k++)
-			*posp -= crp->var_field_width[k];
-	}
-}
-
-static int read_config_reg(struct pinmux_info *gpioc,
-			   struct pinmux_cfg_reg *crp,
-			   unsigned long field)
-{
-	void *mapped_reg;
-
-	unsigned long mask, pos;
-
-	config_reg_helper(gpioc, crp, field, &mapped_reg, &mask, &pos);
-
-	debug("read_reg: addr = %lx, field = %ld, "
-		 "r_width = %ld, f_width = %ld\n",
-		 crp->reg, field, crp->reg_width, crp->field_width);
-
-	return (gpio_read_raw_reg(mapped_reg, crp->reg_width) >> pos) & mask;
-}
-
-static void write_config_reg(struct pinmux_info *gpioc,
-			     struct pinmux_cfg_reg *crp,
-			     unsigned long field, unsigned long value)
-{
-	void *mapped_reg;
-	unsigned long mask, pos, data;
-
-	config_reg_helper(gpioc, crp, field, &mapped_reg, &mask, &pos);
-
-	debug("write_reg addr = %lx, value = %ld, field = %ld, "
-		 "r_width = %ld, f_width = %ld\n",
-		 crp->reg, value, field, crp->reg_width, crp->field_width);
-
-	mask = ~(mask << pos);
-	value = value << pos;
-
-	data = gpio_read_raw_reg(mapped_reg, crp->reg_width);
-	data &= mask;
-	data |= value;
-
-	if (gpioc->unlock_reg)
-		gpio_write_raw_reg(pfc_phys_to_virt(gpioc, gpioc->unlock_reg),
-				   32, ~data);
-
-	gpio_write_raw_reg(mapped_reg, crp->reg_width, data);
-}
-
-static int setup_data_reg(struct pinmux_info *gpioc, unsigned gpio)
-{
-	struct pinmux_gpio *gpiop = &gpioc->gpios[gpio];
-	struct pinmux_data_reg *data_reg;
-	int k, n;
-
-	if (!enum_in_range(gpiop->enum_id, &gpioc->data))
-		return -1;
-
-	k = 0;
-	while (1) {
-		data_reg = gpioc->data_regs + k;
-
-		if (!data_reg->reg_width)
-			break;
-
-		data_reg->mapped_reg = pfc_phys_to_virt(gpioc, data_reg->reg);
-
-		for (n = 0; n < data_reg->reg_width; n++) {
-			if (data_reg->enum_ids[n] == gpiop->enum_id) {
-				gpiop->flags &= ~PINMUX_FLAG_DREG;
-				gpiop->flags |= (k << PINMUX_FLAG_DREG_SHIFT);
-				gpiop->flags &= ~PINMUX_FLAG_DBIT;
-				gpiop->flags |= (n << PINMUX_FLAG_DBIT_SHIFT);
-				return 0;
-			}
-		}
-		k++;
-	}
-
-	BUG();
-
-	return -1;
-}
-
-static void setup_data_regs(struct pinmux_info *gpioc)
-{
-	struct pinmux_data_reg *drp;
-	int k;
-
-	for (k = gpioc->first_gpio; k <= gpioc->last_gpio; k++)
-		setup_data_reg(gpioc, k);
-
-	k = 0;
-	while (1) {
-		drp = gpioc->data_regs + k;
-
-		if (!drp->reg_width)
-			break;
-
-		drp->reg_shadow = gpio_read_raw_reg(drp->mapped_reg,
-						    drp->reg_width);
-		k++;
-	}
-}
-
-static int get_data_reg(struct pinmux_info *gpioc, unsigned gpio,
-			struct pinmux_data_reg **drp, int *bitp)
-{
-	struct pinmux_gpio *gpiop = &gpioc->gpios[gpio];
-	int k, n;
-
-	if (!enum_in_range(gpiop->enum_id, &gpioc->data))
-		return -1;
-
-	k = (gpiop->flags & PINMUX_FLAG_DREG) >> PINMUX_FLAG_DREG_SHIFT;
-	n = (gpiop->flags & PINMUX_FLAG_DBIT) >> PINMUX_FLAG_DBIT_SHIFT;
-	*drp = gpioc->data_regs + k;
-	*bitp = n;
-	return 0;
-}
-
-static int get_config_reg(struct pinmux_info *gpioc, pinmux_enum_t enum_id,
-			  struct pinmux_cfg_reg **crp,
-			  int *fieldp, int *valuep,
-			  unsigned long **cntp)
-{
-	struct pinmux_cfg_reg *config_reg;
-	unsigned long r_width, f_width, curr_width, ncomb;
-	int k, m, n, pos, bit_pos;
-
-	k = 0;
-	while (1) {
-		config_reg = gpioc->cfg_regs + k;
-
-		r_width = config_reg->reg_width;
-		f_width = config_reg->field_width;
-
-		if (!r_width)
-			break;
-
-		pos = 0;
-		m = 0;
-		for (bit_pos = 0; bit_pos < r_width; bit_pos += curr_width) {
-			if (f_width)
-				curr_width = f_width;
-			else
-				curr_width = config_reg->var_field_width[m];
-
-			ncomb = 1 << curr_width;
-			for (n = 0; n < ncomb; n++) {
-				if (config_reg->enum_ids[pos + n] == enum_id) {
-					*crp = config_reg;
-					*fieldp = m;
-					*valuep = n;
-					*cntp = &config_reg->cnt[m];
-					return 0;
-				}
-			}
-			pos += ncomb;
-			m++;
-		}
-		k++;
-	}
-
-	return -1;
-}
-
-static int get_gpio_enum_id(struct pinmux_info *gpioc, unsigned gpio,
-			    int pos, pinmux_enum_t *enum_idp)
-{
-	pinmux_enum_t enum_id = gpioc->gpios[gpio].enum_id;
-	pinmux_enum_t *data = gpioc->gpio_data;
-	int k;
-
-	if (!enum_in_range(enum_id, &gpioc->data)) {
-		if (!enum_in_range(enum_id, &gpioc->mark)) {
-			debug("non data/mark enum_id for gpio %d\n", gpio);
-			return -1;
-		}
-	}
-
-	if (pos) {
-		*enum_idp = data[pos + 1];
-		return pos + 1;
-	}
-
-	for (k = 0; k < gpioc->gpio_data_size; k++) {
-		if (data[k] == enum_id) {
-			*enum_idp = data[k + 1];
-			return k + 1;
-		}
-	}
-
-	debug("cannot locate data/mark enum_id for gpio %d\n", gpio);
-	return -1;
-}
-
-enum { GPIO_CFG_DRYRUN, GPIO_CFG_REQ, GPIO_CFG_FREE };
-
-static int pinmux_config_gpio(struct pinmux_info *gpioc, unsigned gpio,
-			      int pinmux_type, int cfg_mode)
-{
-	struct pinmux_cfg_reg *cr = NULL;
-	pinmux_enum_t enum_id;
-	struct pinmux_range *range;
-	int in_range, pos, field, value;
-	unsigned long *cntp;
-
-	switch (pinmux_type) {
-
-	case PINMUX_TYPE_FUNCTION:
-		range = NULL;
-		break;
-
-	case PINMUX_TYPE_OUTPUT:
-		range = &gpioc->output;
-		break;
-
-	case PINMUX_TYPE_INPUT:
-		range = &gpioc->input;
-		break;
-
-	case PINMUX_TYPE_INPUT_PULLUP:
-		range = &gpioc->input_pu;
-		break;
-
-	case PINMUX_TYPE_INPUT_PULLDOWN:
-		range = &gpioc->input_pd;
-		break;
-
-	default:
-		goto out_err;
-	}
-
-	pos = 0;
-	enum_id = 0;
-	field = 0;
-	value = 0;
-	while (1) {
-		pos = get_gpio_enum_id(gpioc, gpio, pos, &enum_id);
-		if (pos <= 0)
-			goto out_err;
-
-		if (!enum_id)
-			break;
-
-		/* first check if this is a function enum */
-		in_range = enum_in_range(enum_id, &gpioc->function);
-		if (!in_range) {
-			/* not a function enum */
-			if (range) {
-				/*
-				 * other range exists, so this pin is
-				 * a regular GPIO pin that now is being
-				 * bound to a specific direction.
-				 *
-				 * for this case we only allow function enums
-				 * and the enums that match the other range.
-				 */
-				in_range = enum_in_range(enum_id, range);
-
-				/*
-				 * special case pass through for fixed
-				 * input-only or output-only pins without
-				 * function enum register association.
-				 */
-				if (in_range && enum_id == range->force)
-					continue;
-			} else {
-				/*
-				 * no other range exists, so this pin
-				 * must then be of the function type.
-				 *
-				 * allow function type pins to select
-				 * any combination of function/in/out
-				 * in their MARK lists.
-				 */
-				in_range = 1;
-			}
-		}
-
-		if (!in_range)
-			continue;
-
-		if (get_config_reg(gpioc, enum_id, &cr,
-				   &field, &value, &cntp) != 0)
-			goto out_err;
-
-		switch (cfg_mode) {
-		case GPIO_CFG_DRYRUN:
-			if (!*cntp ||
-			    (read_config_reg(gpioc, cr, field) != value))
-				continue;
-			break;
-
-		case GPIO_CFG_REQ:
-			write_config_reg(gpioc, cr, field, value);
-			*cntp = *cntp + 1;
-			break;
-
-		case GPIO_CFG_FREE:
-			*cntp = *cntp - 1;
-			break;
-		}
-	}
-
-	return 0;
- out_err:
-	return -1;
-}
-
-#if 0
-static DEFINE_SPINLOCK(gpio_lock);
-static struct pinmux_info *chip_to_pinmux(struct gpio_chip *chip)
-{
-	return container_of(chip, struct pinmux_info, chip);
-}
-#endif
-
-static int sh_gpio_request(unsigned offset)
-{
-	struct pinmux_data_reg *dummy;
-	int i, ret, pinmux_type;
-
-	ret = -1;
-
-	if (!gpioc)
-		goto err_out;
-
-	if ((gpioc->gpios[offset].flags & PINMUX_FLAG_TYPE) != PINMUX_TYPE_NONE)
-		goto err_out;
-
-	/* setup pin function here if no data is associated with pin */
-
-	if (get_data_reg(gpioc, offset, &dummy, &i) != 0)
-		pinmux_type = PINMUX_TYPE_FUNCTION;
-	else
-		pinmux_type = PINMUX_TYPE_GPIO;
-
-	if (pinmux_type == PINMUX_TYPE_FUNCTION) {
-		if (pinmux_config_gpio(gpioc, offset,
-				       pinmux_type,
-				       GPIO_CFG_DRYRUN) != 0)
-			goto err_out;
-
-		if (pinmux_config_gpio(gpioc, offset,
-				       pinmux_type,
-				       GPIO_CFG_REQ) != 0)
-			BUG();
-	}
-
-	gpioc->gpios[offset].flags &= ~PINMUX_FLAG_TYPE;
-	gpioc->gpios[offset].flags |= pinmux_type;
-
-	ret = 0;
-err_out:
-	return ret;
-}
-
-static void sh_gpio_free(unsigned offset)
-{
-	int pinmux_type;
-
-	if (!gpioc)
-		return;
-
-	pinmux_type = gpioc->gpios[offset].flags & PINMUX_FLAG_TYPE;
-	pinmux_config_gpio(gpioc, offset, pinmux_type, GPIO_CFG_FREE);
-	gpioc->gpios[offset].flags &= ~PINMUX_FLAG_TYPE;
-	gpioc->gpios[offset].flags |= PINMUX_TYPE_NONE;
-}
-
-static int pinmux_direction(struct pinmux_info *gpioc,
-			    unsigned gpio, int new_pinmux_type)
-{
-	int pinmux_type;
-	int ret = -1;
-
-	if (!gpioc)
-		goto err_out;
-
-	pinmux_type = gpioc->gpios[gpio].flags & PINMUX_FLAG_TYPE;
-
-	switch (pinmux_type) {
-	case PINMUX_TYPE_GPIO:
-		break;
-	case PINMUX_TYPE_OUTPUT:
-	case PINMUX_TYPE_INPUT:
-	case PINMUX_TYPE_INPUT_PULLUP:
-	case PINMUX_TYPE_INPUT_PULLDOWN:
-		pinmux_config_gpio(gpioc, gpio, pinmux_type, GPIO_CFG_FREE);
-		break;
-	default:
-		goto err_out;
-	}
-
-	if (pinmux_config_gpio(gpioc, gpio,
-			       new_pinmux_type,
-			       GPIO_CFG_DRYRUN) != 0)
-		goto err_out;
-
-	if (pinmux_config_gpio(gpioc, gpio,
-			       new_pinmux_type,
-			       GPIO_CFG_REQ) != 0)
-		BUG();
-
-	gpioc->gpios[gpio].flags &= ~PINMUX_FLAG_TYPE;
-	gpioc->gpios[gpio].flags |= new_pinmux_type;
-
-	ret = 0;
- err_out:
-	return ret;
-}
-
-static int sh_gpio_direction_input(unsigned offset)
-{
-	return pinmux_direction(gpioc, offset, PINMUX_TYPE_INPUT);
-}
-
-static void sh_gpio_set_value(struct pinmux_info *gpioc,
-			     unsigned gpio, int value)
-{
-	struct pinmux_data_reg *dr = NULL;
-	int bit = 0;
-
-	if (!gpioc || get_data_reg(gpioc, gpio, &dr, &bit) != 0)
-		BUG();
-	else
-		gpio_write_bit(dr, bit, value);
-}
-
-static int sh_gpio_direction_output(unsigned offset, int value)
-{
-	sh_gpio_set_value(gpioc, offset, value);
-	return pinmux_direction(gpioc, offset, PINMUX_TYPE_OUTPUT);
-}
-
-static int sh_gpio_get_value(struct pinmux_info *gpioc, unsigned gpio)
-{
-	struct pinmux_data_reg *dr = NULL;
-	int bit = 0;
-
-	if (!gpioc || get_data_reg(gpioc, gpio, &dr, &bit) != 0)
-		return -1;
-
-	return gpio_read_bit(dr, bit);
-}
-
-static int sh_gpio_get(unsigned offset)
-{
-	return sh_gpio_get_value(gpioc, offset);
-}
-
-static void sh_gpio_set(unsigned offset, int value)
-{
-	sh_gpio_set_value(gpioc, offset, value);
-}
-
-int register_pinmux(struct pinmux_info *pip)
-{
-	if (pip != NULL) {
-		gpioc = pip;
-		debug("%s deregistering\n", pip->name);
-		setup_data_regs(gpioc);
-	}
-	return 0;
-}
-
-int unregister_pinmux(struct pinmux_info *pip)
-{
-	debug("%s deregistering\n", pip->name);
-	if (gpioc != pip)
-		return -1;
-
-	gpioc = NULL;
-	return 0;
-}
-
-int gpio_request(unsigned gpio, const char *label)
-{
-	sh_gpio_request(gpio);
-	return 0;
-}
-
-int gpio_free(unsigned gpio)
-{
-	sh_gpio_free(gpio);
-	return 0;
-}
-
-int gpio_direction_input(unsigned gpio)
-{
-	return sh_gpio_direction_input(gpio);
-}
-
-int gpio_direction_output(unsigned gpio, int value)
-{
-	return sh_gpio_direction_output(gpio, value);
-}
-
-void gpio_set_value(unsigned gpio, int value)
-{
-	sh_gpio_set(gpio, value);
-}
-
-int gpio_get_value(unsigned gpio)
-{
-	return sh_gpio_get(gpio);
-}