1 files changed, 0 insertions, 618 deletions

diff --git a/common/cmd_sf.c b/common/cmd_sf.c
deleted file mode 100644
index 42862d9..0000000
--- a/common/cmd_sf.c
+++ /dev/null
@@ -1,618 +0,0 @@
-/*
- * Command for accessing SPI flash.
- *
- * Copyright (C) 2008 Atmel Corporation
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <div64.h>
-#include <dm.h>
-#include <malloc.h>
-#include <mapmem.h>
-#include <spi.h>
-#include <spi_flash.h>
-#include <jffs2/jffs2.h>
-#include <linux/mtd/mtd.h>
-
-#include <asm/io.h>
-#include <dm/device-internal.h>
-
-static struct spi_flash *flash;
-
-/*
- * This function computes the length argument for the erase command.
- * The length on which the command is to operate can be given in two forms:
- * 1. <cmd> offset len  - operate on <'offset',  'len')
- * 2. <cmd> offset +len - operate on <'offset',  'round_up(len)')
- * If the second form is used and the length doesn't fall on the
- * sector boundary, than it will be adjusted to the next sector boundary.
- * If it isn't in the flash, the function will fail (return -1).
- * Input:
- *    arg: length specification (i.e. both command arguments)
- * Output:
- *    len: computed length for operation
- * Return:
- *    1: success
- *   -1: failure (bad format, bad address).
- */
-static int sf_parse_len_arg(char *arg, ulong *len)
-{
-	char *ep;
-	char round_up_len; /* indicates if the "+length" form used */
-	ulong len_arg;
-
-	round_up_len = 0;
-	if (*arg == '+') {
-		round_up_len = 1;
-		++arg;
-	}
-
-	len_arg = simple_strtoul(arg, &ep, 16);
-	if (ep == arg || *ep != '\0')
-		return -1;
-
-	if (round_up_len && flash->sector_size > 0)
-		*len = ROUND(len_arg, flash->sector_size);
-	else
-		*len = len_arg;
-
-	return 1;
-}
-
-/**
- * This function takes a byte length and a delta unit of time to compute the
- * approximate bytes per second
- *
- * @param len		amount of bytes currently processed
- * @param start_ms	start time of processing in ms
- * @return bytes per second if OK, 0 on error
- */
-static ulong bytes_per_second(unsigned int len, ulong start_ms)
-{
-	/* less accurate but avoids overflow */
-	if (len >= ((unsigned int) -1) / 1024)
-		return len / (max(get_timer(start_ms) / 1024, 1UL));
-	else
-		return 1024 * len / max(get_timer(start_ms), 1UL);
-}
-
-static int do_spi_flash_probe(int argc, char * const argv[])
-{
-	unsigned int bus = CONFIG_SF_DEFAULT_BUS;
-	unsigned int cs = CONFIG_SF_DEFAULT_CS;
-	unsigned int speed = CONFIG_SF_DEFAULT_SPEED;
-	unsigned int mode = CONFIG_SF_DEFAULT_MODE;
-	char *endp;
-#ifdef CONFIG_DM_SPI_FLASH
-	struct udevice *new, *bus_dev;
-	int ret;
-#else
-	struct spi_flash *new;
-#endif
-
-	if (argc >= 2) {
-		cs = simple_strtoul(argv[1], &endp, 0);
-		if (*argv[1] == 0 || (*endp != 0 && *endp != ':'))
-			return -1;
-		if (*endp == ':') {
-			if (endp[1] == 0)
-				return -1;
-
-			bus = cs;
-			cs = simple_strtoul(endp + 1, &endp, 0);
-			if (*endp != 0)
-				return -1;
-		}
-	}
-
-	if (argc >= 3) {
-		speed = simple_strtoul(argv[2], &endp, 0);
-		if (*argv[2] == 0 || *endp != 0)
-			return -1;
-	}
-	if (argc >= 4) {
-		mode = simple_strtoul(argv[3], &endp, 16);
-		if (*argv[3] == 0 || *endp != 0)
-			return -1;
-	}
-
-#ifdef CONFIG_DM_SPI_FLASH
-	/* Remove the old device, otherwise probe will just be a nop */
-	ret = spi_find_bus_and_cs(bus, cs, &bus_dev, &new);
-	if (!ret) {
-		device_remove(new);
-		device_unbind(new);
-	}
-	flash = NULL;
-	ret = spi_flash_probe_bus_cs(bus, cs, speed, mode, &new);
-	if (ret) {
-		printf("Failed to initialize SPI flash at %u:%u (error %d)\n",
-		       bus, cs, ret);
-		return 1;
-	}
-
-	flash = dev_get_uclass_priv(new);
-#else
-	if (flash)
-		spi_flash_free(flash);
-
-	new = spi_flash_probe(bus, cs, speed, mode);
-	flash = new;
-
-	if (!new) {
-		printf("Failed to initialize SPI flash at %u:%u\n", bus, cs);
-		return 1;
-	}
-
-	flash = new;
-#endif
-
-	return 0;
-}
-
-/**
- * Write a block of data to SPI flash, first checking if it is different from
- * what is already there.
- *
- * If the data being written is the same, then *skipped is incremented by len.
- *
- * @param flash		flash context pointer
- * @param offset	flash offset to write
- * @param len		number of bytes to write
- * @param buf		buffer to write from
- * @param cmp_buf	read buffer to use to compare data
- * @param skipped	Count of skipped data (incremented by this function)
- * @return NULL if OK, else a string containing the stage which failed
- */
-static const char *spi_flash_update_block(struct spi_flash *flash, u32 offset,
-		size_t len, const char *buf, char *cmp_buf, size_t *skipped)
-{
-	char *ptr = (char *)buf;
-
-	debug("offset=%#x, sector_size=%#x, len=%#zx\n",
-	      offset, flash->sector_size, len);
-	/* Read the entire sector so to allow for rewriting */
-	if (spi_flash_read(flash, offset, flash->sector_size, cmp_buf))
-		return "read";
-	/* Compare only what is meaningful (len) */
-	if (memcmp(cmp_buf, buf, len) == 0) {
-		debug("Skip region %x size %zx: no change\n",
-		      offset, len);
-		*skipped += len;
-		return NULL;
-	}
-	/* Erase the entire sector */
-	if (spi_flash_erase(flash, offset, flash->sector_size))
-		return "erase";
-	/* If it's a partial sector, copy the data into the temp-buffer */
-	if (len != flash->sector_size) {
-		memcpy(cmp_buf, buf, len);
-		ptr = cmp_buf;
-	}
-	/* Write one complete sector */
-	if (spi_flash_write(flash, offset, flash->sector_size, ptr))
-		return "write";
-
-	return NULL;
-}
-
-/**
- * Update an area of SPI flash by erasing and writing any blocks which need
- * to change. Existing blocks with the correct data are left unchanged.
- *
- * @param flash		flash context pointer
- * @param offset	flash offset to write
- * @param len		number of bytes to write
- * @param buf		buffer to write from
- * @return 0 if ok, 1 on error
- */
-static int spi_flash_update(struct spi_flash *flash, u32 offset,
-		size_t len, const char *buf)
-{
-	const char *err_oper = NULL;
-	char *cmp_buf;
-	const char *end = buf + len;
-	size_t todo;		/* number of bytes to do in this pass */
-	size_t skipped = 0;	/* statistics */
-	const ulong start_time = get_timer(0);
-	size_t scale = 1;
-	const char *start_buf = buf;
-	ulong delta;
-
-	if (end - buf >= 200)
-		scale = (end - buf) / 100;
-	cmp_buf = memalign(ARCH_DMA_MINALIGN, flash->sector_size);
-	if (cmp_buf) {
-		ulong last_update = get_timer(0);
-
-		for (; buf < end && !err_oper; buf += todo, offset += todo) {
-			todo = min_t(size_t, end - buf, flash->sector_size);
-			if (get_timer(last_update) > 100) {
-				printf("   \rUpdating, %zu%% %lu B/s",
-				       100 - (end - buf) / scale,
-					bytes_per_second(buf - start_buf,
-							 start_time));
-				last_update = get_timer(0);
-			}
-			err_oper = spi_flash_update_block(flash, offset, todo,
-					buf, cmp_buf, &skipped);
-		}
-	} else {
-		err_oper = "malloc";
-	}
-	free(cmp_buf);
-	putc('\r');
-	if (err_oper) {
-		printf("SPI flash failed in %s step\n", err_oper);
-		return 1;
-	}
-
-	delta = get_timer(start_time);
-	printf("%zu bytes written, %zu bytes skipped", len - skipped,
-	       skipped);
-	printf(" in %ld.%lds, speed %ld B/s\n",
-	       delta / 1000, delta % 1000, bytes_per_second(len, start_time));
-
-	return 0;
-}
-
-static int do_spi_flash_read_write(int argc, char * const argv[])
-{
-	unsigned long addr;
-	void *buf;
-	char *endp;
-	int ret = 1;
-	int dev = 0;
-	loff_t offset, len, maxsize;
-
-	if (argc < 3)
-		return -1;
-
-	addr = simple_strtoul(argv[1], &endp, 16);
-	if (*argv[1] == 0 || *endp != 0)
-		return -1;
-
-	if (mtd_arg_off_size(argc - 2, &argv[2], &dev, &offset, &len,
-			     &maxsize, MTD_DEV_TYPE_NOR, flash->size))
-		return -1;
-
-	/* Consistency checking */
-	if (offset + len > flash->size) {
-		printf("ERROR: attempting %s past flash size (%#x)\n",
-		       argv[0], flash->size);
-		return 1;
-	}
-
-	buf = map_physmem(addr, len, MAP_WRBACK);
-	if (!buf) {
-		puts("Failed to map physical memory\n");
-		return 1;
-	}
-
-	if (strcmp(argv[0], "update") == 0) {
-		ret = spi_flash_update(flash, offset, len, buf);
-	} else if (strncmp(argv[0], "read", 4) == 0 ||
-			strncmp(argv[0], "write", 5) == 0) {
-		int read;
-
-		read = strncmp(argv[0], "read", 4) == 0;
-		if (read)
-			ret = spi_flash_read(flash, offset, len, buf);
-		else
-			ret = spi_flash_write(flash, offset, len, buf);
-
-		printf("SF: %zu bytes @ %#x %s: ", (size_t)len, (u32)offset,
-		       read ? "Read" : "Written");
-		if (ret)
-			printf("ERROR %d\n", ret);
-		else
-			printf("OK\n");
-	}
-
-	unmap_physmem(buf, len);
-
-	return ret == 0 ? 0 : 1;
-}
-
-static int do_spi_flash_erase(int argc, char * const argv[])
-{
-	int ret;
-	int dev = 0;
-	loff_t offset, len, maxsize;
-	ulong size;
-
-	if (argc < 3)
-		return -1;
-
-	if (mtd_arg_off(argv[1], &dev, &offset, &len, &maxsize,
-			MTD_DEV_TYPE_NOR, flash->size))
-		return -1;
-
-	ret = sf_parse_len_arg(argv[2], &size);
-	if (ret != 1)
-		return -1;
-
-	/* Consistency checking */
-	if (offset + size > flash->size) {
-		printf("ERROR: attempting %s past flash size (%#x)\n",
-		       argv[0], flash->size);
-		return 1;
-	}
-
-	ret = spi_flash_erase(flash, offset, size);
-	printf("SF: %zu bytes @ %#x Erased: %s\n", (size_t)size, (u32)offset,
-	       ret ? "ERROR" : "OK");
-
-	return ret == 0 ? 0 : 1;
-}
-
-static int do_spi_protect(int argc, char * const argv[])
-{
-	int ret = 0;
-	loff_t start, len;
-	bool prot = false;
-
-	if (argc != 4)
-		return -1;
-
-	if (!str2off(argv[2], &start)) {
-		puts("start sector is not a valid number\n");
-		return 1;
-	}
-
-	if (!str2off(argv[3], &len)) {
-		puts("len is not a valid number\n");
-		return 1;
-	}
-
-	if (strcmp(argv[1], "lock") == 0)
-		prot = true;
-	else if (strcmp(argv[1], "unlock") == 0)
-		prot = false;
-	else
-		return -1;  /* Unknown parameter */
-
-	ret = spi_flash_protect(flash, start, len, prot);
-
-	return ret == 0 ? 0 : 1;
-}
-
-#ifdef CONFIG_CMD_SF_TEST
-enum {
-	STAGE_ERASE,
-	STAGE_CHECK,
-	STAGE_WRITE,
-	STAGE_READ,
-
-	STAGE_COUNT,
-};
-
-static char *stage_name[STAGE_COUNT] = {
-	"erase",
-	"check",
-	"write",
-	"read",
-};
-
-struct test_info {
-	int stage;
-	int bytes;
-	unsigned base_ms;
-	unsigned time_ms[STAGE_COUNT];
-};
-
-static void show_time(struct test_info *test, int stage)
-{
-	uint64_t speed;	/* KiB/s */
-	int bps;	/* Bits per second */
-
-	speed = (long long)test->bytes * 1000;
-	if (test->time_ms[stage])
-		do_div(speed, test->time_ms[stage] * 1024);
-	bps = speed * 8;
-
-	printf("%d %s: %d ticks, %d KiB/s %d.%03d Mbps\n", stage,
-	       stage_name[stage], test->time_ms[stage],
-	       (int)speed, bps / 1000, bps % 1000);
-}
-
-static void spi_test_next_stage(struct test_info *test)
-{
-	test->time_ms[test->stage] = get_timer(test->base_ms);
-	show_time(test, test->stage);
-	test->base_ms = get_timer(0);
-	test->stage++;
-}
-
-/**
- * Run a test on the SPI flash
- *
- * @param flash		SPI flash to use
- * @param buf		Source buffer for data to write
- * @param len		Size of data to read/write
- * @param offset	Offset within flash to check
- * @param vbuf		Verification buffer
- * @return 0 if ok, -1 on error
- */
-static int spi_flash_test(struct spi_flash *flash, uint8_t *buf, ulong len,
-			   ulong offset, uint8_t *vbuf)
-{
-	struct test_info test;
-	int i;
-
-	printf("SPI flash test:\n");
-	memset(&test, '\0', sizeof(test));
-	test.base_ms = get_timer(0);
-	test.bytes = len;
-	if (spi_flash_erase(flash, offset, len)) {
-		printf("Erase failed\n");
-		return -1;
-	}
-	spi_test_next_stage(&test);
-
-	if (spi_flash_read(flash, offset, len, vbuf)) {
-		printf("Check read failed\n");
-		return -1;
-	}
-	for (i = 0; i < len; i++) {
-		if (vbuf[i] != 0xff) {
-			printf("Check failed at %d\n", i);
-			print_buffer(i, vbuf + i, 1,
-				     min_t(uint, len - i, 0x40), 0);
-			return -1;
-		}
-	}
-	spi_test_next_stage(&test);
-
-	if (spi_flash_write(flash, offset, len, buf)) {
-		printf("Write failed\n");
-		return -1;
-	}
-	memset(vbuf, '\0', len);
-	spi_test_next_stage(&test);
-
-	if (spi_flash_read(flash, offset, len, vbuf)) {
-		printf("Read failed\n");
-		return -1;
-	}
-	spi_test_next_stage(&test);
-
-	for (i = 0; i < len; i++) {
-		if (buf[i] != vbuf[i]) {
-			printf("Verify failed at %d, good data:\n", i);
-			print_buffer(i, buf + i, 1,
-				     min_t(uint, len - i, 0x40), 0);
-			printf("Bad data:\n");
-			print_buffer(i, vbuf + i, 1,
-				     min_t(uint, len - i, 0x40), 0);
-			return -1;
-		}
-	}
-	printf("Test passed\n");
-	for (i = 0; i < STAGE_COUNT; i++)
-		show_time(&test, i);
-
-	return 0;
-}
-
-static int do_spi_flash_test(int argc, char * const argv[])
-{
-	unsigned long offset;
-	unsigned long len;
-	uint8_t *buf, *from;
-	char *endp;
-	uint8_t *vbuf;
-	int ret;
-
-	if (argc < 3)
-		return -1;
-	offset = simple_strtoul(argv[1], &endp, 16);
-	if (*argv[1] == 0 || *endp != 0)
-		return -1;
-	len = simple_strtoul(argv[2], &endp, 16);
-	if (*argv[2] == 0 || *endp != 0)
-		return -1;
-
-	vbuf = memalign(ARCH_DMA_MINALIGN, len);
-	if (!vbuf) {
-		printf("Cannot allocate memory (%lu bytes)\n", len);
-		return 1;
-	}
-	buf = memalign(ARCH_DMA_MINALIGN, len);
-	if (!buf) {
-		free(vbuf);
-		printf("Cannot allocate memory (%lu bytes)\n", len);
-		return 1;
-	}
-
-	from = map_sysmem(CONFIG_SYS_TEXT_BASE, 0);
-	memcpy(buf, from, len);
-	ret = spi_flash_test(flash, buf, len, offset, vbuf);
-	free(vbuf);
-	free(buf);
-	if (ret) {
-		printf("Test failed\n");
-		return 1;
-	}
-
-	return 0;
-}
-#endif /* CONFIG_CMD_SF_TEST */
-
-static int do_spi_flash(cmd_tbl_t *cmdtp, int flag, int argc,
-			char * const argv[])
-{
-	const char *cmd;
-	int ret;
-
-	/* need at least two arguments */
-	if (argc < 2)
-		goto usage;
-
-	cmd = argv[1];
-	--argc;
-	++argv;
-
-	if (strcmp(cmd, "probe") == 0) {
-		ret = do_spi_flash_probe(argc, argv);
-		goto done;
-	}
-
-	/* The remaining commands require a selected device */
-	if (!flash) {
-		puts("No SPI flash selected. Please run `sf probe'\n");
-		return 1;
-	}
-
-	if (strcmp(cmd, "read") == 0 || strcmp(cmd, "write") == 0 ||
-	    strcmp(cmd, "update") == 0)
-		ret = do_spi_flash_read_write(argc, argv);
-	else if (strcmp(cmd, "erase") == 0)
-		ret = do_spi_flash_erase(argc, argv);
-	else if (strcmp(cmd, "protect") == 0)
-		ret = do_spi_protect(argc, argv);
-#ifdef CONFIG_CMD_SF_TEST
-	else if (!strcmp(cmd, "test"))
-		ret = do_spi_flash_test(argc, argv);
-#endif
-	else
-		ret = -1;
-
-done:
-	if (ret != -1)
-		return ret;
-
-usage:
-	return CMD_RET_USAGE;
-}
-
-#ifdef CONFIG_CMD_SF_TEST
-#define SF_TEST_HELP "\nsf test offset len		" \
-		"- run a very basic destructive test"
-#else
-#define SF_TEST_HELP
-#endif
-
-U_BOOT_CMD(
-	sf,	5,	1,	do_spi_flash,
-	"SPI flash sub-system",
-	"probe [[bus:]cs] [hz] [mode]	- init flash device on given SPI bus\n"
-	"				  and chip select\n"
-	"sf read addr offset|partition len	- read `len' bytes starting at\n"
-	"				          `offset' or from start of mtd\n"
-	"					  `partition'to memory at `addr'\n"
-	"sf write addr offset|partition len	- write `len' bytes from memory\n"
-	"				          at `addr' to flash at `offset'\n"
-	"					  or to start of mtd `partition'\n"
-	"sf erase offset|partition [+]len	- erase `len' bytes from `offset'\n"
-	"					  or from start of mtd `partition'\n"
-	"					 `+len' round up `len' to block size\n"
-	"sf update addr offset|partition len	- erase and write `len' bytes from memory\n"
-	"					  at `addr' to flash at `offset'\n"
-	"					  or to start of mtd `partition'\n"
-	"sf protect lock/unlock sector len	- protect/unprotect 'len' bytes starting\n"
-	"					  at address 'sector'\n"
-	SF_TEST_HELP
-);