1 files changed, 0 insertions, 518 deletions

diff --git a/qemu/roms/u-boot/drivers/mtd/spi/sf_ops.c b/qemu/roms/u-boot/drivers/mtd/spi/sf_ops.c
deleted file mode 100644
index ef91b924d..000000000
--- a/qemu/roms/u-boot/drivers/mtd/spi/sf_ops.c
+++ /dev/null
@@ -1,518 +0,0 @@
-/*
- * SPI flash operations
- *
- * Copyright (C) 2008 Atmel Corporation
- * Copyright (C) 2010 Reinhard Meyer, EMK Elektronik
- * Copyright (C) 2013 Jagannadha Sutradharudu Teki, Xilinx Inc.
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <errno.h>
-#include <malloc.h>
-#include <spi.h>
-#include <spi_flash.h>
-#include <watchdog.h>
-
-#include "sf_internal.h"
-
-static void spi_flash_addr(u32 addr, u8 *cmd)
-{
-	/* cmd[0] is actual command */
-	cmd[1] = addr >> 16;
-	cmd[2] = addr >> 8;
-	cmd[3] = addr >> 0;
-}
-
-int spi_flash_cmd_read_status(struct spi_flash *flash, u8 *rs)
-{
-	int ret;
-	u8 cmd;
-
-	cmd = CMD_READ_STATUS;
-	ret = spi_flash_read_common(flash, &cmd, 1, rs, 1);
-	if (ret < 0) {
-		debug("SF: fail to read status register\n");
-		return ret;
-	}
-
-	return 0;
-}
-
-int spi_flash_cmd_write_status(struct spi_flash *flash, u8 ws)
-{
-	u8 cmd;
-	int ret;
-
-	cmd = CMD_WRITE_STATUS;
-	ret = spi_flash_write_common(flash, &cmd, 1, &ws, 1);
-	if (ret < 0) {
-		debug("SF: fail to write status register\n");
-		return ret;
-	}
-
-	return 0;
-}
-
-#if defined(CONFIG_SPI_FLASH_SPANSION) || defined(CONFIG_SPI_FLASH_WINBOND)
-int spi_flash_cmd_read_config(struct spi_flash *flash, u8 *rc)
-{
-	int ret;
-	u8 cmd;
-
-	cmd = CMD_READ_CONFIG;
-	ret = spi_flash_read_common(flash, &cmd, 1, rc, 1);
-	if (ret < 0) {
-		debug("SF: fail to read config register\n");
-		return ret;
-	}
-
-	return 0;
-}
-
-int spi_flash_cmd_write_config(struct spi_flash *flash, u8 wc)
-{
-	u8 data[2];
-	u8 cmd;
-	int ret;
-
-	ret = spi_flash_cmd_read_status(flash, &data[0]);
-	if (ret < 0)
-		return ret;
-
-	cmd = CMD_WRITE_STATUS;
-	data[1] = wc;
-	ret = spi_flash_write_common(flash, &cmd, 1, &data, 2);
-	if (ret) {
-		debug("SF: fail to write config register\n");
-		return ret;
-	}
-
-	return 0;
-}
-#endif
-
-#ifdef CONFIG_SPI_FLASH_BAR
-static int spi_flash_cmd_bankaddr_write(struct spi_flash *flash, u8 bank_sel)
-{
-	u8 cmd;
-	int ret;
-
-	if (flash->bank_curr == bank_sel) {
-		debug("SF: not require to enable bank%d\n", bank_sel);
-		return 0;
-	}
-
-	cmd = flash->bank_write_cmd;
-	ret = spi_flash_write_common(flash, &cmd, 1, &bank_sel, 1);
-	if (ret < 0) {
-		debug("SF: fail to write bank register\n");
-		return ret;
-	}
-	flash->bank_curr = bank_sel;
-
-	return 0;
-}
-
-static int spi_flash_bank(struct spi_flash *flash, u32 offset)
-{
-	u8 bank_sel;
-	int ret;
-
-	bank_sel = offset / (SPI_FLASH_16MB_BOUN << flash->shift);
-
-	ret = spi_flash_cmd_bankaddr_write(flash, bank_sel);
-	if (ret) {
-		debug("SF: fail to set bank%d\n", bank_sel);
-		return ret;
-	}
-
-	return bank_sel;
-}
-#endif
-
-#ifdef CONFIG_SF_DUAL_FLASH
-static void spi_flash_dual_flash(struct spi_flash *flash, u32 *addr)
-{
-	switch (flash->dual_flash) {
-	case SF_DUAL_STACKED_FLASH:
-		if (*addr >= (flash->size >> 1)) {
-			*addr -= flash->size >> 1;
-			flash->spi->flags |= SPI_XFER_U_PAGE;
-		} else {
-			flash->spi->flags &= ~SPI_XFER_U_PAGE;
-		}
-		break;
-	case SF_DUAL_PARALLEL_FLASH:
-		*addr >>= flash->shift;
-		break;
-	default:
-		debug("SF: Unsupported dual_flash=%d\n", flash->dual_flash);
-		break;
-	}
-}
-#endif
-
-int spi_flash_cmd_wait_ready(struct spi_flash *flash, unsigned long timeout)
-{
-	struct spi_slave *spi = flash->spi;
-	unsigned long timebase;
-	unsigned long flags = SPI_XFER_BEGIN;
-	int ret;
-	u8 status;
-	u8 check_status = 0x0;
-	u8 poll_bit = STATUS_WIP;
-	u8 cmd = flash->poll_cmd;
-
-	if (cmd == CMD_FLAG_STATUS) {
-		poll_bit = STATUS_PEC;
-		check_status = poll_bit;
-	}
-
-#ifdef CONFIG_SF_DUAL_FLASH
-	if (spi->flags & SPI_XFER_U_PAGE)
-		flags |= SPI_XFER_U_PAGE;
-#endif
-	ret = spi_xfer(spi, 8, &cmd, NULL, flags);
-	if (ret) {
-		debug("SF: fail to read %s status register\n",
-		      cmd == CMD_READ_STATUS ? "read" : "flag");
-		return ret;
-	}
-
-	timebase = get_timer(0);
-	do {
-		WATCHDOG_RESET();
-
-		ret = spi_xfer(spi, 8, NULL, &status, 0);
-		if (ret)
-			return -1;
-
-		if ((status & poll_bit) == check_status)
-			break;
-
-	} while (get_timer(timebase) < timeout);
-
-	spi_xfer(spi, 0, NULL, NULL, SPI_XFER_END);
-
-	if ((status & poll_bit) == check_status)
-		return 0;
-
-	/* Timed out */
-	debug("SF: time out!\n");
-	return -1;
-}
-
-int spi_flash_write_common(struct spi_flash *flash, const u8 *cmd,
-		size_t cmd_len, const void *buf, size_t buf_len)
-{
-	struct spi_slave *spi = flash->spi;
-	unsigned long timeout = SPI_FLASH_PROG_TIMEOUT;
-	int ret;
-
-	if (buf == NULL)
-		timeout = SPI_FLASH_PAGE_ERASE_TIMEOUT;
-
-	ret = spi_claim_bus(flash->spi);
-	if (ret) {
-		debug("SF: unable to claim SPI bus\n");
-		return ret;
-	}
-
-	ret = spi_flash_cmd_write_enable(flash);
-	if (ret < 0) {
-		debug("SF: enabling write failed\n");
-		return ret;
-	}
-
-	ret = spi_flash_cmd_write(spi, cmd, cmd_len, buf, buf_len);
-	if (ret < 0) {
-		debug("SF: write cmd failed\n");
-		return ret;
-	}
-
-	ret = spi_flash_cmd_wait_ready(flash, timeout);
-	if (ret < 0) {
-		debug("SF: write %s timed out\n",
-		      timeout == SPI_FLASH_PROG_TIMEOUT ?
-			"program" : "page erase");
-		return ret;
-	}
-
-	spi_release_bus(spi);
-
-	return ret;
-}
-
-int spi_flash_cmd_erase_ops(struct spi_flash *flash, u32 offset, size_t len)
-{
-	u32 erase_size, erase_addr;
-	u8 cmd[SPI_FLASH_CMD_LEN];
-	int ret = -1;
-
-	erase_size = flash->erase_size;
-	if (offset % erase_size || len % erase_size) {
-		debug("SF: Erase offset/length not multiple of erase size\n");
-		return -1;
-	}
-
-	cmd[0] = flash->erase_cmd;
-	while (len) {
-		erase_addr = offset;
-
-#ifdef CONFIG_SF_DUAL_FLASH
-		if (flash->dual_flash > SF_SINGLE_FLASH)
-			spi_flash_dual_flash(flash, &erase_addr);
-#endif
-#ifdef CONFIG_SPI_FLASH_BAR
-		ret = spi_flash_bank(flash, erase_addr);
-		if (ret < 0)
-			return ret;
-#endif
-		spi_flash_addr(erase_addr, cmd);
-
-		debug("SF: erase %2x %2x %2x %2x (%x)\n", cmd[0], cmd[1],
-		      cmd[2], cmd[3], erase_addr);
-
-		ret = spi_flash_write_common(flash, cmd, sizeof(cmd), NULL, 0);
-		if (ret < 0) {
-			debug("SF: erase failed\n");
-			break;
-		}
-
-		offset += erase_size;
-		len -= erase_size;
-	}
-
-	return ret;
-}
-
-int spi_flash_cmd_write_ops(struct spi_flash *flash, u32 offset,
-		size_t len, const void *buf)
-{
-	unsigned long byte_addr, page_size;
-	u32 write_addr;
-	size_t chunk_len, actual;
-	u8 cmd[SPI_FLASH_CMD_LEN];
-	int ret = -1;
-
-	page_size = flash->page_size;
-
-	cmd[0] = flash->write_cmd;
-	for (actual = 0; actual < len; actual += chunk_len) {
-		write_addr = offset;
-
-#ifdef CONFIG_SF_DUAL_FLASH
-		if (flash->dual_flash > SF_SINGLE_FLASH)
-			spi_flash_dual_flash(flash, &write_addr);
-#endif
-#ifdef CONFIG_SPI_FLASH_BAR
-		ret = spi_flash_bank(flash, write_addr);
-		if (ret < 0)
-			return ret;
-#endif
-		byte_addr = offset % page_size;
-		chunk_len = min(len - actual, page_size - byte_addr);
-
-		if (flash->spi->max_write_size)
-			chunk_len = min(chunk_len, flash->spi->max_write_size);
-
-		spi_flash_addr(write_addr, cmd);
-
-		debug("SF: 0x%p => cmd = { 0x%02x 0x%02x%02x%02x } chunk_len = %zu\n",
-		      buf + actual, cmd[0], cmd[1], cmd[2], cmd[3], chunk_len);
-
-		ret = spi_flash_write_common(flash, cmd, sizeof(cmd),
-					buf + actual, chunk_len);
-		if (ret < 0) {
-			debug("SF: write failed\n");
-			break;
-		}
-
-		offset += chunk_len;
-	}
-
-	return ret;
-}
-
-int spi_flash_read_common(struct spi_flash *flash, const u8 *cmd,
-		size_t cmd_len, void *data, size_t data_len)
-{
-	struct spi_slave *spi = flash->spi;
-	int ret;
-
-	ret = spi_claim_bus(flash->spi);
-	if (ret) {
-		debug("SF: unable to claim SPI bus\n");
-		return ret;
-	}
-
-	ret = spi_flash_cmd_read(spi, cmd, cmd_len, data, data_len);
-	if (ret < 0) {
-		debug("SF: read cmd failed\n");
-		return ret;
-	}
-
-	spi_release_bus(spi);
-
-	return ret;
-}
-
-int spi_flash_cmd_read_ops(struct spi_flash *flash, u32 offset,
-		size_t len, void *data)
-{
-	u8 *cmd, cmdsz;
-	u32 remain_len, read_len, read_addr;
-	int bank_sel = 0;
-	int ret = -1;
-
-	/* Handle memory-mapped SPI */
-	if (flash->memory_map) {
-		ret = spi_claim_bus(flash->spi);
-		if (ret) {
-			debug("SF: unable to claim SPI bus\n");
-			return ret;
-		}
-		spi_xfer(flash->spi, 0, NULL, NULL, SPI_XFER_MMAP);
-		memcpy(data, flash->memory_map + offset, len);
-		spi_xfer(flash->spi, 0, NULL, NULL, SPI_XFER_MMAP_END);
-		spi_release_bus(flash->spi);
-		return 0;
-	}
-
-	cmdsz = SPI_FLASH_CMD_LEN + flash->dummy_byte;
-	cmd = calloc(1, cmdsz);
-	if (!cmd) {
-		debug("SF: Failed to allocate cmd\n");
-		return -ENOMEM;
-	}
-
-	cmd[0] = flash->read_cmd;
-	while (len) {
-		read_addr = offset;
-
-#ifdef CONFIG_SF_DUAL_FLASH
-		if (flash->dual_flash > SF_SINGLE_FLASH)
-			spi_flash_dual_flash(flash, &read_addr);
-#endif
-#ifdef CONFIG_SPI_FLASH_BAR
-		bank_sel = spi_flash_bank(flash, read_addr);
-		if (bank_sel < 0)
-			return ret;
-#endif
-		remain_len = ((SPI_FLASH_16MB_BOUN << flash->shift) *
-				(bank_sel + 1)) - offset;
-		if (len < remain_len)
-			read_len = len;
-		else
-			read_len = remain_len;
-
-		spi_flash_addr(read_addr, cmd);
-
-		ret = spi_flash_read_common(flash, cmd, cmdsz, data, read_len);
-		if (ret < 0) {
-			debug("SF: read failed\n");
-			break;
-		}
-
-		offset += read_len;
-		len -= read_len;
-		data += read_len;
-	}
-
-	return ret;
-}
-
-#ifdef CONFIG_SPI_FLASH_SST
-static int sst_byte_write(struct spi_flash *flash, u32 offset, const void *buf)
-{
-	int ret;
-	u8 cmd[4] = {
-		CMD_SST_BP,
-		offset >> 16,
-		offset >> 8,
-		offset,
-	};
-
-	debug("BP[%02x]: 0x%p => cmd = { 0x%02x 0x%06x }\n",
-	      spi_w8r8(flash->spi, CMD_READ_STATUS), buf, cmd[0], offset);
-
-	ret = spi_flash_cmd_write_enable(flash);
-	if (ret)
-		return ret;
-
-	ret = spi_flash_cmd_write(flash->spi, cmd, sizeof(cmd), buf, 1);
-	if (ret)
-		return ret;
-
-	return spi_flash_cmd_wait_ready(flash, SPI_FLASH_PROG_TIMEOUT);
-}
-
-int sst_write_wp(struct spi_flash *flash, u32 offset, size_t len,
-		const void *buf)
-{
-	size_t actual, cmd_len;
-	int ret;
-	u8 cmd[4];
-
-	ret = spi_claim_bus(flash->spi);
-	if (ret) {
-		debug("SF: Unable to claim SPI bus\n");
-		return ret;
-	}
-
-	/* If the data is not word aligned, write out leading single byte */
-	actual = offset % 2;
-	if (actual) {
-		ret = sst_byte_write(flash, offset, buf);
-		if (ret)
-			goto done;
-	}
-	offset += actual;
-
-	ret = spi_flash_cmd_write_enable(flash);
-	if (ret)
-		goto done;
-
-	cmd_len = 4;
-	cmd[0] = CMD_SST_AAI_WP;
-	cmd[1] = offset >> 16;
-	cmd[2] = offset >> 8;
-	cmd[3] = offset;
-
-	for (; actual < len - 1; actual += 2) {
-		debug("WP[%02x]: 0x%p => cmd = { 0x%02x 0x%06x }\n",
-		      spi_w8r8(flash->spi, CMD_READ_STATUS), buf + actual,
-		      cmd[0], offset);
-
-		ret = spi_flash_cmd_write(flash->spi, cmd, cmd_len,
-					buf + actual, 2);
-		if (ret) {
-			debug("SF: sst word program failed\n");
-			break;
-		}
-
-		ret = spi_flash_cmd_wait_ready(flash, SPI_FLASH_PROG_TIMEOUT);
-		if (ret)
-			break;
-
-		cmd_len = 1;
-		offset += 2;
-	}
-
-	if (!ret)
-		ret = spi_flash_cmd_write_disable(flash);
-
-	/* If there is a single trailing byte, write it out */
-	if (!ret && actual != len)
-		ret = sst_byte_write(flash, offset, buf + actual);
-
- done:
-	debug("SF: sst: program %s %zu bytes @ 0x%zx\n",
-	      ret ? "failure" : "success", len, offset - actual);
-
-	spi_release_bus(flash->spi);
-	return ret;
-}
-#endif