1 files changed, 0 insertions, 513 deletions

diff --git a/qemu/roms/u-boot/drivers/mmc/sdhci.c b/qemu/roms/u-boot/drivers/mmc/sdhci.c
deleted file mode 100644
index 3125d13ba..000000000
--- a/qemu/roms/u-boot/drivers/mmc/sdhci.c
+++ /dev/null
@@ -1,513 +0,0 @@
-/*
- * Copyright 2011, Marvell Semiconductor Inc.
- * Lei Wen <leiwen@marvell.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- *
- * Back ported to the 8xx platform (from the 8260 platform) by
- * Murray.Jensen@cmst.csiro.au, 27-Jan-01.
- */
-
-#include <common.h>
-#include <malloc.h>
-#include <mmc.h>
-#include <sdhci.h>
-
-void *aligned_buffer;
-
-static void sdhci_reset(struct sdhci_host *host, u8 mask)
-{
-	unsigned long timeout;
-
-	/* Wait max 100 ms */
-	timeout = 100;
-	sdhci_writeb(host, mask, SDHCI_SOFTWARE_RESET);
-	while (sdhci_readb(host, SDHCI_SOFTWARE_RESET) & mask) {
-		if (timeout == 0) {
-			printf("%s: Reset 0x%x never completed.\n",
-			       __func__, (int)mask);
-			return;
-		}
-		timeout--;
-		udelay(1000);
-	}
-}
-
-static void sdhci_cmd_done(struct sdhci_host *host, struct mmc_cmd *cmd)
-{
-	int i;
-	if (cmd->resp_type & MMC_RSP_136) {
-		/* CRC is stripped so we need to do some shifting. */
-		for (i = 0; i < 4; i++) {
-			cmd->response[i] = sdhci_readl(host,
-					SDHCI_RESPONSE + (3-i)*4) << 8;
-			if (i != 3)
-				cmd->response[i] |= sdhci_readb(host,
-						SDHCI_RESPONSE + (3-i)*4-1);
-		}
-	} else {
-		cmd->response[0] = sdhci_readl(host, SDHCI_RESPONSE);
-	}
-}
-
-static void sdhci_transfer_pio(struct sdhci_host *host, struct mmc_data *data)
-{
-	int i;
-	char *offs;
-	for (i = 0; i < data->blocksize; i += 4) {
-		offs = data->dest + i;
-		if (data->flags == MMC_DATA_READ)
-			*(u32 *)offs = sdhci_readl(host, SDHCI_BUFFER);
-		else
-			sdhci_writel(host, *(u32 *)offs, SDHCI_BUFFER);
-	}
-}
-
-static int sdhci_transfer_data(struct sdhci_host *host, struct mmc_data *data,
-				unsigned int start_addr)
-{
-	unsigned int stat, rdy, mask, timeout, block = 0;
-#ifdef CONFIG_MMC_SDMA
-	unsigned char ctrl;
-	ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL);
-	ctrl &= ~SDHCI_CTRL_DMA_MASK;
-	sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL);
-#endif
-
-	timeout = 1000000;
-	rdy = SDHCI_INT_SPACE_AVAIL | SDHCI_INT_DATA_AVAIL;
-	mask = SDHCI_DATA_AVAILABLE | SDHCI_SPACE_AVAILABLE;
-	do {
-		stat = sdhci_readl(host, SDHCI_INT_STATUS);
-		if (stat & SDHCI_INT_ERROR) {
-			printf("%s: Error detected in status(0x%X)!\n",
-			       __func__, stat);
-			return -1;
-		}
-		if (stat & rdy) {
-			if (!(sdhci_readl(host, SDHCI_PRESENT_STATE) & mask))
-				continue;
-			sdhci_writel(host, rdy, SDHCI_INT_STATUS);
-			sdhci_transfer_pio(host, data);
-			data->dest += data->blocksize;
-			if (++block >= data->blocks)
-				break;
-		}
-#ifdef CONFIG_MMC_SDMA
-		if (stat & SDHCI_INT_DMA_END) {
-			sdhci_writel(host, SDHCI_INT_DMA_END, SDHCI_INT_STATUS);
-			start_addr &= ~(SDHCI_DEFAULT_BOUNDARY_SIZE - 1);
-			start_addr += SDHCI_DEFAULT_BOUNDARY_SIZE;
-			sdhci_writel(host, start_addr, SDHCI_DMA_ADDRESS);
-		}
-#endif
-		if (timeout-- > 0)
-			udelay(10);
-		else {
-			printf("%s: Transfer data timeout\n", __func__);
-			return -1;
-		}
-	} while (!(stat & SDHCI_INT_DATA_END));
-	return 0;
-}
-
-/*
- * No command will be sent by driver if card is busy, so driver must wait
- * for card ready state.
- * Every time when card is busy after timeout then (last) timeout value will be
- * increased twice but only if it doesn't exceed global defined maximum.
- * Each function call will use last timeout value. Max timeout can be redefined
- * in board config file.
- */
-#ifndef CONFIG_SDHCI_CMD_MAX_TIMEOUT
-#define CONFIG_SDHCI_CMD_MAX_TIMEOUT		3200
-#endif
-#define CONFIG_SDHCI_CMD_DEFAULT_TIMEOUT	100
-
-int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd,
-		       struct mmc_data *data)
-{
-	struct sdhci_host *host = mmc->priv;
-	unsigned int stat = 0;
-	int ret = 0;
-	int trans_bytes = 0, is_aligned = 1;
-	u32 mask, flags, mode;
-	unsigned int time = 0, start_addr = 0;
-	unsigned int retry = 10000;
-	int mmc_dev = mmc->block_dev.dev;
-
-	/* Timeout unit - ms */
-	static unsigned int cmd_timeout = CONFIG_SDHCI_CMD_DEFAULT_TIMEOUT;
-
-	sdhci_writel(host, SDHCI_INT_ALL_MASK, SDHCI_INT_STATUS);
-	mask = SDHCI_CMD_INHIBIT | SDHCI_DATA_INHIBIT;
-
-	/* We shouldn't wait for data inihibit for stop commands, even
-	   though they might use busy signaling */
-	if (cmd->cmdidx == MMC_CMD_STOP_TRANSMISSION)
-		mask &= ~SDHCI_DATA_INHIBIT;
-
-	while (sdhci_readl(host, SDHCI_PRESENT_STATE) & mask) {
-		if (time >= cmd_timeout) {
-			printf("%s: MMC: %d busy ", __func__, mmc_dev);
-			if (2 * cmd_timeout <= CONFIG_SDHCI_CMD_MAX_TIMEOUT) {
-				cmd_timeout += cmd_timeout;
-				printf("timeout increasing to: %u ms.\n",
-				       cmd_timeout);
-			} else {
-				puts("timeout.\n");
-				return COMM_ERR;
-			}
-		}
-		time++;
-		udelay(1000);
-	}
-
-	mask = SDHCI_INT_RESPONSE;
-	if (!(cmd->resp_type & MMC_RSP_PRESENT))
-		flags = SDHCI_CMD_RESP_NONE;
-	else if (cmd->resp_type & MMC_RSP_136)
-		flags = SDHCI_CMD_RESP_LONG;
-	else if (cmd->resp_type & MMC_RSP_BUSY) {
-		flags = SDHCI_CMD_RESP_SHORT_BUSY;
-		mask |= SDHCI_INT_DATA_END;
-	} else
-		flags = SDHCI_CMD_RESP_SHORT;
-
-	if (cmd->resp_type & MMC_RSP_CRC)
-		flags |= SDHCI_CMD_CRC;
-	if (cmd->resp_type & MMC_RSP_OPCODE)
-		flags |= SDHCI_CMD_INDEX;
-	if (data)
-		flags |= SDHCI_CMD_DATA;
-
-	/* Set Transfer mode regarding to data flag */
-	if (data != 0) {
-		sdhci_writeb(host, 0xe, SDHCI_TIMEOUT_CONTROL);
-		mode = SDHCI_TRNS_BLK_CNT_EN;
-		trans_bytes = data->blocks * data->blocksize;
-		if (data->blocks > 1)
-			mode |= SDHCI_TRNS_MULTI;
-
-		if (data->flags == MMC_DATA_READ)
-			mode |= SDHCI_TRNS_READ;
-
-#ifdef CONFIG_MMC_SDMA
-		if (data->flags == MMC_DATA_READ)
-			start_addr = (unsigned int)data->dest;
-		else
-			start_addr = (unsigned int)data->src;
-		if ((host->quirks & SDHCI_QUIRK_32BIT_DMA_ADDR) &&
-				(start_addr & 0x7) != 0x0) {
-			is_aligned = 0;
-			start_addr = (unsigned int)aligned_buffer;
-			if (data->flags != MMC_DATA_READ)
-				memcpy(aligned_buffer, data->src, trans_bytes);
-		}
-
-		sdhci_writel(host, start_addr, SDHCI_DMA_ADDRESS);
-		mode |= SDHCI_TRNS_DMA;
-#endif
-		sdhci_writew(host, SDHCI_MAKE_BLKSZ(SDHCI_DEFAULT_BOUNDARY_ARG,
-				data->blocksize),
-				SDHCI_BLOCK_SIZE);
-		sdhci_writew(host, data->blocks, SDHCI_BLOCK_COUNT);
-		sdhci_writew(host, mode, SDHCI_TRANSFER_MODE);
-	}
-
-	sdhci_writel(host, cmd->cmdarg, SDHCI_ARGUMENT);
-#ifdef CONFIG_MMC_SDMA
-	flush_cache(start_addr, trans_bytes);
-#endif
-	sdhci_writew(host, SDHCI_MAKE_CMD(cmd->cmdidx, flags), SDHCI_COMMAND);
-	do {
-		stat = sdhci_readl(host, SDHCI_INT_STATUS);
-		if (stat & SDHCI_INT_ERROR)
-			break;
-		if (--retry == 0)
-			break;
-	} while ((stat & mask) != mask);
-
-	if (retry == 0) {
-		if (host->quirks & SDHCI_QUIRK_BROKEN_R1B)
-			return 0;
-		else {
-			printf("%s: Timeout for status update!\n", __func__);
-			return TIMEOUT;
-		}
-	}
-
-	if ((stat & (SDHCI_INT_ERROR | mask)) == mask) {
-		sdhci_cmd_done(host, cmd);
-		sdhci_writel(host, mask, SDHCI_INT_STATUS);
-	} else
-		ret = -1;
-
-	if (!ret && data)
-		ret = sdhci_transfer_data(host, data, start_addr);
-
-	if (host->quirks & SDHCI_QUIRK_WAIT_SEND_CMD)
-		udelay(1000);
-
-	stat = sdhci_readl(host, SDHCI_INT_STATUS);
-	sdhci_writel(host, SDHCI_INT_ALL_MASK, SDHCI_INT_STATUS);
-	if (!ret) {
-		if ((host->quirks & SDHCI_QUIRK_32BIT_DMA_ADDR) &&
-				!is_aligned && (data->flags == MMC_DATA_READ))
-			memcpy(data->dest, aligned_buffer, trans_bytes);
-		return 0;
-	}
-
-	sdhci_reset(host, SDHCI_RESET_CMD);
-	sdhci_reset(host, SDHCI_RESET_DATA);
-	if (stat & SDHCI_INT_TIMEOUT)
-		return TIMEOUT;
-	else
-		return COMM_ERR;
-}
-
-static int sdhci_set_clock(struct mmc *mmc, unsigned int clock)
-{
-	struct sdhci_host *host = mmc->priv;
-	unsigned int div, clk, timeout;
-
-	sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL);
-
-	if (clock == 0)
-		return 0;
-
-	if (SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300) {
-		/* Version 3.00 divisors must be a multiple of 2. */
-		if (mmc->cfg->f_max <= clock)
-			div = 1;
-		else {
-			for (div = 2; div < SDHCI_MAX_DIV_SPEC_300; div += 2) {
-				if ((mmc->cfg->f_max / div) <= clock)
-					break;
-			}
-		}
-	} else {
-		/* Version 2.00 divisors must be a power of 2. */
-		for (div = 1; div < SDHCI_MAX_DIV_SPEC_200; div *= 2) {
-			if ((mmc->cfg->f_max / div) <= clock)
-				break;
-		}
-	}
-	div >>= 1;
-
-	if (host->set_clock)
-		host->set_clock(host->index, div);
-
-	clk = (div & SDHCI_DIV_MASK) << SDHCI_DIVIDER_SHIFT;
-	clk |= ((div & SDHCI_DIV_HI_MASK) >> SDHCI_DIV_MASK_LEN)
-		<< SDHCI_DIVIDER_HI_SHIFT;
-	clk |= SDHCI_CLOCK_INT_EN;
-	sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL);
-
-	/* Wait max 20 ms */
-	timeout = 20;
-	while (!((clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL))
-		& SDHCI_CLOCK_INT_STABLE)) {
-		if (timeout == 0) {
-			printf("%s: Internal clock never stabilised.\n",
-			       __func__);
-			return -1;
-		}
-		timeout--;
-		udelay(1000);
-	}
-
-	clk |= SDHCI_CLOCK_CARD_EN;
-	sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL);
-	return 0;
-}
-
-static void sdhci_set_power(struct sdhci_host *host, unsigned short power)
-{
-	u8 pwr = 0;
-
-	if (power != (unsigned short)-1) {
-		switch (1 << power) {
-		case MMC_VDD_165_195:
-			pwr = SDHCI_POWER_180;
-			break;
-		case MMC_VDD_29_30:
-		case MMC_VDD_30_31:
-			pwr = SDHCI_POWER_300;
-			break;
-		case MMC_VDD_32_33:
-		case MMC_VDD_33_34:
-			pwr = SDHCI_POWER_330;
-			break;
-		}
-	}
-
-	if (pwr == 0) {
-		sdhci_writeb(host, 0, SDHCI_POWER_CONTROL);
-		return;
-	}
-
-	if (host->quirks & SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER)
-		sdhci_writeb(host, pwr, SDHCI_POWER_CONTROL);
-
-	pwr |= SDHCI_POWER_ON;
-
-	sdhci_writeb(host, pwr, SDHCI_POWER_CONTROL);
-}
-
-void sdhci_set_ios(struct mmc *mmc)
-{
-	u32 ctrl;
-	struct sdhci_host *host = mmc->priv;
-
-	if (host->set_control_reg)
-		host->set_control_reg(host);
-
-	if (mmc->clock != host->clock)
-		sdhci_set_clock(mmc, mmc->clock);
-
-	/* Set bus width */
-	ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL);
-	if (mmc->bus_width == 8) {
-		ctrl &= ~SDHCI_CTRL_4BITBUS;
-		if ((SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300) ||
-				(host->quirks & SDHCI_QUIRK_USE_WIDE8))
-			ctrl |= SDHCI_CTRL_8BITBUS;
-	} else {
-		if (SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300)
-			ctrl &= ~SDHCI_CTRL_8BITBUS;
-		if (mmc->bus_width == 4)
-			ctrl |= SDHCI_CTRL_4BITBUS;
-		else
-			ctrl &= ~SDHCI_CTRL_4BITBUS;
-	}
-
-	if (mmc->clock > 26000000)
-		ctrl |= SDHCI_CTRL_HISPD;
-	else
-		ctrl &= ~SDHCI_CTRL_HISPD;
-
-	if (host->quirks & SDHCI_QUIRK_NO_HISPD_BIT)
-		ctrl &= ~SDHCI_CTRL_HISPD;
-
-	sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL);
-}
-
-int sdhci_init(struct mmc *mmc)
-{
-	struct sdhci_host *host = mmc->priv;
-
-	if ((host->quirks & SDHCI_QUIRK_32BIT_DMA_ADDR) && !aligned_buffer) {
-		aligned_buffer = memalign(8, 512*1024);
-		if (!aligned_buffer) {
-			printf("%s: Aligned buffer alloc failed!!!\n",
-			       __func__);
-			return -1;
-		}
-	}
-
-	sdhci_set_power(host, fls(mmc->cfg->voltages) - 1);
-
-	if (host->quirks & SDHCI_QUIRK_NO_CD) {
-		unsigned int status;
-
-		sdhci_writel(host, SDHCI_CTRL_CD_TEST_INS | SDHCI_CTRL_CD_TEST,
-			SDHCI_HOST_CONTROL);
-
-		status = sdhci_readl(host, SDHCI_PRESENT_STATE);
-		while ((!(status & SDHCI_CARD_PRESENT)) ||
-		    (!(status & SDHCI_CARD_STATE_STABLE)) ||
-		    (!(status & SDHCI_CARD_DETECT_PIN_LEVEL)))
-			status = sdhci_readl(host, SDHCI_PRESENT_STATE);
-	}
-
-	/* Enable only interrupts served by the SD controller */
-	sdhci_writel(host, SDHCI_INT_DATA_MASK | SDHCI_INT_CMD_MASK,
-		     SDHCI_INT_ENABLE);
-	/* Mask all sdhci interrupt sources */
-	sdhci_writel(host, 0x0, SDHCI_SIGNAL_ENABLE);
-
-	return 0;
-}
-
-
-static const struct mmc_ops sdhci_ops = {
-	.send_cmd	= sdhci_send_command,
-	.set_ios	= sdhci_set_ios,
-	.init		= sdhci_init,
-};
-
-int add_sdhci(struct sdhci_host *host, u32 max_clk, u32 min_clk)
-{
-	unsigned int caps;
-
-	host->cfg.name = host->name;
-	host->cfg.ops = &sdhci_ops;
-
-	caps = sdhci_readl(host, SDHCI_CAPABILITIES);
-#ifdef CONFIG_MMC_SDMA
-	if (!(caps & SDHCI_CAN_DO_SDMA)) {
-		printf("%s: Your controller doesn't support SDMA!!\n",
-		       __func__);
-		return -1;
-	}
-#endif
-
-	if (max_clk)
-		host->cfg.f_max = max_clk;
-	else {
-		if (SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300)
-			host->cfg.f_max = (caps & SDHCI_CLOCK_V3_BASE_MASK)
-				>> SDHCI_CLOCK_BASE_SHIFT;
-		else
-			host->cfg.f_max = (caps & SDHCI_CLOCK_BASE_MASK)
-				>> SDHCI_CLOCK_BASE_SHIFT;
-		host->cfg.f_max *= 1000000;
-	}
-	if (host->cfg.f_max == 0) {
-		printf("%s: Hardware doesn't specify base clock frequency\n",
-		       __func__);
-		return -1;
-	}
-	if (min_clk)
-		host->cfg.f_min = min_clk;
-	else {
-		if (SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300)
-			host->cfg.f_min = host->cfg.f_max /
-				SDHCI_MAX_DIV_SPEC_300;
-		else
-			host->cfg.f_min = host->cfg.f_max /
-				SDHCI_MAX_DIV_SPEC_200;
-	}
-
-	host->cfg.voltages = 0;
-	if (caps & SDHCI_CAN_VDD_330)
-		host->cfg.voltages |= MMC_VDD_32_33 | MMC_VDD_33_34;
-	if (caps & SDHCI_CAN_VDD_300)
-		host->cfg.voltages |= MMC_VDD_29_30 | MMC_VDD_30_31;
-	if (caps & SDHCI_CAN_VDD_180)
-		host->cfg.voltages |= MMC_VDD_165_195;
-
-	if (host->quirks & SDHCI_QUIRK_BROKEN_VOLTAGE)
-		host->cfg.voltages |= host->voltages;
-
-	host->cfg.host_caps = MMC_MODE_HS | MMC_MODE_HS_52MHz | MMC_MODE_4BIT;
-	if (SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300) {
-		if (caps & SDHCI_CAN_DO_8BIT)
-			host->cfg.host_caps |= MMC_MODE_8BIT;
-	}
-	if (host->host_caps)
-		host->cfg.host_caps |= host->host_caps;
-
-	host->cfg.b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
-
-	sdhci_reset(host, SDHCI_RESET_ALL);
-
-	host->mmc = mmc_create(&host->cfg, host);
-	if (host->mmc == NULL) {
-		printf("%s: mmc create fail!\n", __func__);
-		return -1;
-	}
-
-	return 0;
-}