X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=common%2Fcmd_sf.c;h=ac7f5dfb8181c28147ed9b1ea83e62e59c8ef20a;hp=3f60979ae78fa9e33d331940db01d6eb25528626;hb=0bfcc924552b8ec79a20b8b12557ff08742c4f0e;hpb=f835c77fb7e57508ffe8d8ca3a092ee28add77b2 diff --git a/common/cmd_sf.c b/common/cmd_sf.c index 3f60979ae7..ac7f5dfb81 100644 --- a/common/cmd_sf.c +++ b/common/cmd_sf.c @@ -2,32 +2,25 @@ * Command for accessing SPI flash. * * Copyright (C) 2008 Atmel Corporation - * Licensed under the GPL-2 or later. + * + * SPDX-License-Identifier: GPL-2.0+ */ #include #include +#include #include +#include +#include #include +#include +#include #include - -#ifndef CONFIG_SF_DEFAULT_SPEED -# define CONFIG_SF_DEFAULT_SPEED 1000000 -#endif -#ifndef CONFIG_SF_DEFAULT_MODE -# define CONFIG_SF_DEFAULT_MODE SPI_MODE_3 -#endif -#ifndef CONFIG_SF_DEFAULT_CS -# define CONFIG_SF_DEFAULT_CS 0 -#endif -#ifndef CONFIG_SF_DEFAULT_BUS -# define CONFIG_SF_DEFAULT_BUS 0 -#endif +#include 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: @@ -80,9 +73,9 @@ 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, 1)); + return len / (max(get_timer(start_ms) / 1024, 1UL)); else - return 1024 * len / max(get_timer(start_ms), 1); + return 1024 * len / max(get_timer(start_ms), 1UL); } static int do_spi_flash_probe(int argc, char * const argv[]) @@ -92,7 +85,12 @@ static int do_spi_flash_probe(int argc, char * const argv[]) 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); @@ -120,15 +118,36 @@ static int do_spi_flash_probe(int argc, char * const argv[]) 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; } - if (flash) - spi_flash_free(flash); flash = new; +#endif return 0; } @@ -150,6 +169,8 @@ static int do_spi_flash_probe(int argc, char * const argv[]) 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 */ @@ -165,16 +186,14 @@ static const char *spi_flash_update_block(struct spi_flash *flash, u32 offset, /* Erase the entire sector */ if (spi_flash_erase(flash, offset, flash->sector_size)) return "erase"; - /* Write the initial part of the block from the source */ - if (spi_flash_write(flash, offset, len, buf)) - return "write"; - /* If it's a partial sector, rewrite the existing part */ + /* If it's a partial sector, copy the data into the temp-buffer */ if (len != flash->sector_size) { - /* Rewrite the original data to the end of the sector */ - if (spi_flash_write(flash, offset + len, - flash->sector_size - len, &cmp_buf[len])) - return "write"; + 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; } @@ -204,12 +223,12 @@ static int spi_flash_update(struct spi_flash *flash, u32 offset, if (end - buf >= 200) scale = (end - buf) / 100; - cmp_buf = malloc(flash->sector_size); + 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(end - buf, flash->sector_size); + 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, @@ -242,23 +261,21 @@ static int spi_flash_update(struct spi_flash *flash, u32 offset, static int do_spi_flash_read_write(int argc, char * const argv[]) { unsigned long addr; - unsigned long offset; - unsigned long len; void *buf; char *endp; int ret = 1; + int dev = 0; + loff_t offset, len, maxsize; - if (argc < 4) + if (argc < 3) return -1; addr = simple_strtoul(argv[1], &endp, 16); if (*argv[1] == 0 || *endp != 0) return -1; - offset = simple_strtoul(argv[2], &endp, 16); - if (*argv[2] == 0 || *endp != 0) - return -1; - len = simple_strtoul(argv[3], &endp, 16); - if (*argv[3] == 0 || *endp != 0) + + if (mtd_arg_off_size(argc - 2, &argv[2], &dev, &offset, &len, + &maxsize, MTD_DEV_TYPE_NOR, flash->size)) return -1; /* Consistency checking */ @@ -286,8 +303,12 @@ static int do_spi_flash_read_write(int argc, char * const argv[]) else ret = spi_flash_write(flash, offset, len, buf); - printf("SF: %zu bytes @ %#x %s: %s\n", (size_t)len, (u32)offset, - read ? "Read" : "Written", ret ? "ERROR" : "OK"); + 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); @@ -297,31 +318,31 @@ static int do_spi_flash_read_write(int argc, char * const argv[]) static int do_spi_flash_erase(int argc, char * const argv[]) { - unsigned long offset; - unsigned long len; - char *endp; int ret; + int dev = 0; + loff_t offset, len, maxsize; + ulong size; if (argc < 3) return -1; - offset = simple_strtoul(argv[1], &endp, 16); - if (*argv[1] == 0 || *endp != 0) + 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], &len); + ret = sf_parse_len_arg(argv[2], &size); if (ret != 1) return -1; /* Consistency checking */ - if (offset + len > flash->size) { + 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, len); - printf("SF: %zu bytes @ %#x Erased: %s\n", (size_t)len, (u32)offset, + 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; @@ -357,7 +378,8 @@ static void show_time(struct test_info *test, int stage) int bps; /* Bits per second */ speed = (long long)test->bytes * 1000; - do_div(speed, test->time_ms[stage] * 1024); + 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, @@ -406,7 +428,8 @@ static int spi_flash_test(struct spi_flash *flash, uint8_t *buf, ulong len, for (i = 0; i < len; i++) { if (vbuf[i] != 0xff) { printf("Check failed at %d\n", i); - print_buffer(i, vbuf + i, 1, min(len - i, 0x40), 0); + print_buffer(i, vbuf + i, 1, + min_t(uint, len - i, 0x40), 0); return -1; } } @@ -428,9 +451,11 @@ static int spi_flash_test(struct spi_flash *flash, uint8_t *buf, ulong len, 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(len - i, 0x40), 0); + print_buffer(i, buf + i, 1, + min_t(uint, len - i, 0x40), 0); printf("Bad data:\n"); - print_buffer(i, vbuf + i, 1, min(len - i, 0x40), 0); + print_buffer(i, vbuf + i, 1, + min_t(uint, len - i, 0x40), 0); return -1; } } @@ -445,11 +470,13 @@ static int do_spi_flash_test(int argc, char * const argv[]) { unsigned long offset; unsigned long len; - uint8_t *buf = (uint8_t *)CONFIG_SYS_TEXT_BASE; + 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; @@ -457,19 +484,20 @@ static int do_spi_flash_test(int argc, char * const argv[]) if (*argv[2] == 0 || *endp != 0) return -1; - vbuf = malloc(len); + vbuf = memalign(ARCH_DMA_MINALIGN, len); if (!vbuf) { - printf("Cannot allocate memory\n"); + printf("Cannot allocate memory (%lu bytes)\n", len); return 1; } - buf = malloc(len); + buf = memalign(ARCH_DMA_MINALIGN, len); if (!buf) { free(vbuf); - printf("Cannot allocate memory\n"); + printf("Cannot allocate memory (%lu bytes)\n", len); return 1; } - memcpy(buf, (char *)CONFIG_SYS_TEXT_BASE, len); + 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); @@ -539,13 +567,17 @@ U_BOOT_CMD( "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 len - read `len' bytes starting at\n" - " `offset' to memory at `addr'\n" - "sf write addr offset len - write `len' bytes from memory\n" - " at `addr' to flash at `offset'\n" - "sf erase offset [+]len - erase `len' bytes from `offset'\n" - " `+len' round up `len' to block size\n" - "sf update addr offset len - erase and write `len' bytes from memory\n" - " at `addr' to flash at `offset'" + "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_TEST_HELP );