* Copyright (C) 2010 Reinhard Meyer, EMK Elektronik
* Copyright (C) 2013 Jagannadha Sutradharudu Teki, Xilinx Inc.
*
- * Licensed under the GPL-2 or later.
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
-#include <fdtdec.h>
+#include <dm.h>
+#include <errno.h>
#include <malloc.h>
#include <spi.h>
#include <spi_flash.h>
#include "sf_internal.h"
-DECLARE_GLOBAL_DATA_PTR;
-
/**
- * struct spi_flash_params - SPI/QSPI flash device params structure
+ * spi_flash_probe_slave() - Probe for a SPI flash device on a bus
*
- * @name: Device name ([MANUFLETTER][DEVTYPE][DENSITY][EXTRAINFO])
- * @jedec: Device jedec ID (0x[1byte_manuf_id][2byte_dev_id])
- * @ext_jedec: Device ext_jedec ID
- * @sector_size: Sector size of this device
- * @nr_sectors: No.of sectors on this device
- * @flags: Importent param, for flash specific behaviour
+ * @flashp: Pointer to place to put flash info, which may be NULL if the
+ * space should be allocated
*/
-struct spi_flash_params {
- const char *name;
- u32 jedec;
- u16 ext_jedec;
- u32 sector_size;
- u32 nr_sectors;
- u16 flags;
-};
-
-static const struct spi_flash_params spi_flash_params_table[] = {
-#ifdef CONFIG_SPI_FLASH_ATMEL /* ATMEL */
- {"AT45DB011D", 0x1f2200, 0x0, 64 * 1024, 4, SECT_4K},
- {"AT45DB021D", 0x1f2300, 0x0, 64 * 1024, 8, SECT_4K},
- {"AT45DB041D", 0x1f2400, 0x0, 64 * 1024, 8, SECT_4K},
- {"AT45DB081D", 0x1f2500, 0x0, 64 * 1024, 16, SECT_4K},
- {"AT45DB161D", 0x1f2600, 0x0, 64 * 1024, 32, SECT_4K},
- {"AT45DB321D", 0x1f2700, 0x0, 64 * 1024, 64, SECT_4K},
- {"AT45DB641D", 0x1f2800, 0x0, 64 * 1024, 128, SECT_4K},
-#endif
-#ifdef CONFIG_SPI_FLASH_EON /* EON */
- {"EN25Q32B", 0x1c3016, 0x0, 64 * 1024, 64, 0},
- {"EN25Q64", 0x1c3017, 0x0, 64 * 1024, 128, SECT_4K},
- {"EN25Q128B", 0x1c3018, 0x0, 64 * 1024, 256, 0},
- {"EN25S64", 0x1c3817, 0x0, 64 * 1024, 128, 0},
-#endif
-#ifdef CONFIG_SPI_FLASH_GIGADEVICE /* GIGADEVICE */
- {"GD25Q64B", 0xc84017, 0x0, 64 * 1024, 128, SECT_4K},
- {"GD25LQ32", 0xc86016, 0x0, 64 * 1024, 64, SECT_4K},
-#endif
-#ifdef CONFIG_SPI_FLASH_MACRONIX /* MACRONIX */
- {"MX25L4005", 0xc22013, 0x0, 64 * 1024, 8, 0},
- {"MX25L8005", 0xc22014, 0x0, 64 * 1024, 16, 0},
- {"MX25L1605D", 0xc22015, 0x0, 64 * 1024, 32, 0},
- {"MX25L3205D", 0xc22016, 0x0, 64 * 1024, 64, 0},
- {"MX25L6405D", 0xc22017, 0x0, 64 * 1024, 128, 0},
- {"MX25L12805", 0xc22018, 0x0, 64 * 1024, 256, 0},
- {"MX25L25635F", 0xc22019, 0x0, 64 * 1024, 512, 0},
- {"MX25L51235F", 0xc2201A, 0x0, 64 * 1024, 1024, 0},
- {"MX25L12855E", 0xc22618, 0x0, 64 * 1024, 256, 0},
-#endif
-#ifdef CONFIG_SPI_FLASH_SPANSION /* SPANSION */
- {"S25FL008A", 0x010213, 0x0, 64 * 1024, 16, 0},
- {"S25FL016A", 0x010214, 0x0, 64 * 1024, 32, 0},
- {"S25FL032A", 0x010215, 0x0, 64 * 1024, 64, 0},
- {"S25FL064A", 0x010216, 0x0, 64 * 1024, 128, 0},
- {"S25FL128P_256K", 0x012018, 0x0300, 256 * 1024, 64, 0},
- {"S25FL128P_64K", 0x012018, 0x0301, 64 * 1024, 256, 0},
- {"S25FL032P", 0x010215, 0x4d00, 64 * 1024, 64, 0},
- {"S25FL064P", 0x010216, 0x4d00, 64 * 1024, 128, 0},
- {"S25FL128S_64K", 0x012018, 0x4d01, 64 * 1024, 256, 0},
- {"S25FL256S_256K", 0x010219, 0x4d00, 64 * 1024, 512, 0},
- {"S25FL256S_64K", 0x010219, 0x4d01, 64 * 1024, 512, 0},
- {"S25FL512S_256K", 0x010220, 0x4d00, 64 * 1024, 1024, 0},
- {"S25FL512S_64K", 0x010220, 0x4d01, 64 * 1024, 1024, 0},
-#endif
-#ifdef CONFIG_SPI_FLASH_STMICRO /* STMICRO */
- {"M25P10", 0x202011, 0x0, 32 * 1024, 4, 0},
- {"M25P20", 0x202012, 0x0, 64 * 1024, 4, 0},
- {"M25P40", 0x202013, 0x0, 64 * 1024, 8, 0},
- {"M25P80", 0x202014, 0x0, 64 * 1024, 16, 0},
- {"M25P16", 0x202015, 0x0, 64 * 1024, 32, 0},
- {"M25P32", 0x202016, 0x0, 64 * 1024, 64, 0},
- {"M25P64", 0x202017, 0x0, 64 * 1024, 128, 0},
- {"M25P128", 0x202018, 0x0, 256 * 1024, 64, 0},
- {"N25Q32", 0x20ba16, 0x0, 64 * 1024, 64, SECT_4K},
- {"N25Q32A", 0x20bb16, 0x0, 64 * 1024, 64, SECT_4K},
- {"N25Q64", 0x20ba17, 0x0, 64 * 1024, 128, SECT_4K},
- {"N25Q64A", 0x20bb17, 0x0, 64 * 1024, 128, SECT_4K},
- {"N25Q128", 0x20ba18, 0x0, 64 * 1024, 256, SECT_4K},
- {"N25Q128A", 0x20bb18, 0x0, 64 * 1024, 256, SECT_4K},
- {"N25Q256", 0x20ba19, 0x0, 64 * 1024, 512, SECT_4K},
- {"N25Q256A", 0x20bb19, 0x0, 64 * 1024, 512, SECT_4K},
- {"N25Q512", 0x20ba20, 0x0, 64 * 1024, 1024, E_FSR | SECT_4K},
- {"N25Q512A", 0x20bb20, 0x0, 64 * 1024, 1024, E_FSR | SECT_4K},
- {"N25Q1024", 0x20ba21, 0x0, 64 * 1024, 2048, E_FSR | SECT_4K},
- {"N25Q1024A", 0x20bb21, 0x0, 64 * 1024, 2048, E_FSR | SECT_4K},
-#endif
-#ifdef CONFIG_SPI_FLASH_SST /* SST */
- {"SST25VF040B", 0xbf258d, 0x0, 64 * 1024, 8, SECT_4K | SST_WP},
- {"SST25VF080B", 0xbf258e, 0x0, 64 * 1024, 16, SECT_4K | SST_WP},
- {"SST25VF016B", 0xbf2541, 0x0, 64 * 1024, 32, SECT_4K | SST_WP},
- {"SST25VF032B", 0xbf254a, 0x0, 64 * 1024, 64, SECT_4K | SST_WP},
- {"SST25VF064C", 0xbf254b, 0x0, 64 * 1024, 128, SECT_4K},
- {"SST25WF512", 0xbf2501, 0x0, 64 * 1024, 1, SECT_4K | SST_WP},
- {"SST25WF010", 0xbf2502, 0x0, 64 * 1024, 2, SECT_4K | SST_WP},
- {"SST25WF020", 0xbf2503, 0x0, 64 * 1024, 4, SECT_4K | SST_WP},
- {"SST25WF040", 0xbf2504, 0x0, 64 * 1024, 8, SECT_4K | SST_WP},
- {"SST25WF080", 0xbf2505, 0x0, 64 * 1024, 16, SECT_4K | SST_WP},
-#endif
-#ifdef CONFIG_SPI_FLASH_WINBOND /* WINBOND */
- {"W25P80", 0xef2014, 0x0, 64 * 1024, 16, 0},
- {"W25P16", 0xef2015, 0x0, 64 * 1024, 32, 0},
- {"W25P32", 0xef2016, 0x0, 64 * 1024, 64, 0},
- {"W25X40", 0xef3013, 0x0, 64 * 1024, 8, SECT_4K},
- {"W25X16", 0xef3015, 0x0, 64 * 1024, 32, SECT_4K},
- {"W25X32", 0xef3016, 0x0, 64 * 1024, 64, SECT_4K},
- {"W25X64", 0xef3017, 0x0, 64 * 1024, 128, SECT_4K},
- {"W25Q80BL", 0xef4014, 0x0, 64 * 1024, 16, SECT_4K},
- {"W25Q16CL", 0xef4015, 0x0, 64 * 1024, 32, SECT_4K},
- {"W25Q32BV", 0xef4016, 0x0, 64 * 1024, 64, SECT_4K},
- {"W25Q64CV", 0xef4017, 0x0, 64 * 1024, 128, SECT_4K},
- {"W25Q128BV", 0xef4018, 0x0, 64 * 1024, 256, SECT_4K},
- {"W25Q256", 0xef4019, 0x0, 64 * 1024, 512, SECT_4K},
- {"W25Q80BW", 0xef5014, 0x0, 64 * 1024, 16, SECT_4K},
- {"W25Q16DW", 0xef6015, 0x0, 64 * 1024, 32, SECT_4K},
- {"W25Q32DW", 0xef6016, 0x0, 64 * 1024, 64, SECT_4K},
- {"W25Q64DW", 0xef6017, 0x0, 64 * 1024, 128, SECT_4K},
- {"W25Q128FW", 0xef6018, 0x0, 64 * 1024, 256, SECT_4K},
-#endif
- /*
- * Note:
- * Below paired flash devices has similar spi_flash_params params.
- * (S25FL129P_64K, S25FL128S_64K)
- * (W25Q80BL, W25Q80BV)
- * (W25Q16CL, W25Q16DV)
- * (W25Q32BV, W25Q32FV_SPI)
- * (W25Q64CV, W25Q64FV_SPI)
- * (W25Q128BV, W25Q128FV_SPI)
- * (W25Q32DW, W25Q32FV_QPI)
- * (W25Q64DW, W25Q64FV_QPI)
- * (W25Q128FW, W25Q128FV_QPI)
- */
-};
-
-struct spi_flash *spi_flash_validate_params(struct spi_slave *spi, u8 *idcode)
+static int spi_flash_probe_slave(struct spi_flash *flash)
{
- const struct spi_flash_params *params;
- struct spi_flash *flash;
- int i;
- u16 jedec = idcode[1] << 8 | idcode[2];
- u16 ext_jedec = idcode[3] << 8 | idcode[4];
-
- /* Get the flash id (jedec = manuf_id + dev_id, ext_jedec) */
- for (i = 0; i < ARRAY_SIZE(spi_flash_params_table); i++) {
- params = &spi_flash_params_table[i];
- if ((params->jedec >> 16) == idcode[0]) {
- if ((params->jedec & 0xFFFF) == jedec) {
- if (params->ext_jedec == 0)
- break;
- else if (params->ext_jedec == ext_jedec)
- break;
- }
- }
- }
-
- if (i == ARRAY_SIZE(spi_flash_params_table)) {
- printf("SF: Unsupported flash IDs: ");
- printf("manuf %02x, jedec %04x, ext_jedec %04x\n",
- idcode[0], jedec, ext_jedec);
- return NULL;
- }
+ struct spi_slave *spi = flash->spi;
+ int ret;
- flash = malloc(sizeof(*flash));
- if (!flash) {
- debug("SF: Failed to allocate spi_flash\n");
- return NULL;
+ /* Setup spi_slave */
+ if (!spi) {
+ printf("SF: Failed to set up slave\n");
+ return -ENODEV;
}
- memset(flash, '\0', sizeof(*flash));
- flash->spi = spi;
- flash->name = params->name;
-
- /* Assign spi_flash ops */
- flash->write = spi_flash_cmd_write_ops;
-#ifdef CONFIG_SPI_FLASH_SST
- if (params->flags & SST_WP)
- flash->write = sst_write_wp;
-#endif
- flash->erase = spi_flash_cmd_erase_ops;
- flash->read = spi_flash_cmd_read_ops;
-
- /* Compute the flash size */
- flash->page_size = (ext_jedec == 0x4d00) ? 512 : 256;
- flash->sector_size = params->sector_size;
- flash->size = flash->sector_size * params->nr_sectors;
-
- /* Compute erase sector and command */
- if (params->flags & SECT_4K) {
- flash->erase_cmd = CMD_ERASE_4K;
- flash->erase_size = 4096;
- } else if (params->flags & SECT_32K) {
- flash->erase_cmd = CMD_ERASE_32K;
- flash->erase_size = 32768;
- } else {
- flash->erase_cmd = CMD_ERASE_64K;
- flash->erase_size = flash->sector_size;
+ /* Claim spi bus */
+ ret = spi_claim_bus(spi);
+ if (ret) {
+ debug("SF: Failed to claim SPI bus: %d\n", ret);
+ return ret;
}
- /* Poll cmd seclection */
- flash->poll_cmd = CMD_READ_STATUS;
-#ifdef CONFIG_SPI_FLASH_STMICRO
- if (params->flags & E_FSR)
- flash->poll_cmd = CMD_FLAG_STATUS;
-#endif
-
-#ifdef CONFIG_SPI_FLASH_BAR
- /* Configure the BAR - discover bank cmds and read current bank */
- u8 curr_bank = 0;
- if (flash->size > SPI_FLASH_16MB_BOUN) {
- flash->bank_read_cmd = (idcode[0] == 0x01) ?
- CMD_BANKADDR_BRRD : CMD_EXTNADDR_RDEAR;
- flash->bank_write_cmd = (idcode[0] == 0x01) ?
- CMD_BANKADDR_BRWR : CMD_EXTNADDR_WREAR;
-
- if (spi_flash_read_common(flash, &flash->bank_read_cmd, 1,
- &curr_bank, 1)) {
- debug("SF: fail to read bank addr register\n");
- return NULL;
- }
- flash->bank_curr = curr_bank;
- } else {
- flash->bank_curr = curr_bank;
- }
-#endif
+ ret = spi_flash_scan(flash);
+ if (ret)
+ goto err_read_id;
- /* Flash powers up read-only, so clear BP# bits */
-#if defined(CONFIG_SPI_FLASH_ATMEL) || \
- defined(CONFIG_SPI_FLASH_MACRONIX) || \
- defined(CONFIG_SPI_FLASH_SST)
- spi_flash_cmd_write_status(flash, 0);
+#ifdef CONFIG_SPI_FLASH_MTD
+ ret = spi_flash_mtd_register(flash);
#endif
- return flash;
+err_read_id:
+ spi_release_bus(spi);
+ return ret;
}
-#ifdef CONFIG_OF_CONTROL
-int spi_flash_decode_fdt(const void *blob, struct spi_flash *flash)
+#ifndef CONFIG_DM_SPI_FLASH
+static struct spi_flash *spi_flash_probe_tail(struct spi_slave *bus)
{
- fdt_addr_t addr;
- fdt_size_t size;
- int node;
-
- /* If there is no node, do nothing */
- node = fdtdec_next_compatible(blob, 0, COMPAT_GENERIC_SPI_FLASH);
- if (node < 0)
- return 0;
+ struct spi_flash *flash;
- addr = fdtdec_get_addr_size(blob, node, "memory-map", &size);
- if (addr == FDT_ADDR_T_NONE) {
- debug("%s: Cannot decode address\n", __func__);
- return 0;
+ /* Allocate space if needed (not used by sf-uclass */
+ flash = calloc(1, sizeof(*flash));
+ if (!flash) {
+ debug("SF: Failed to allocate spi_flash\n");
+ return NULL;
}
- if (flash->size != size) {
- debug("%s: Memory map must cover entire device\n", __func__);
- return -1;
+ flash->spi = bus;
+ if (spi_flash_probe_slave(flash)) {
+ spi_free_slave(bus);
+ free(flash);
+ return NULL;
}
- flash->memory_map = (void *)addr;
- return 0;
+ return flash;
}
-#endif /* CONFIG_OF_CONTROL */
-struct spi_flash *spi_flash_probe(unsigned int bus, unsigned int cs,
+struct spi_flash *spi_flash_probe(unsigned int busnum, unsigned int cs,
unsigned int max_hz, unsigned int spi_mode)
{
- struct spi_slave *spi;
- struct spi_flash *flash = NULL;
- u8 idcode[5];
- int ret;
+ struct spi_slave *bus;
- /* Setup spi_slave */
- spi = spi_setup_slave(bus, cs, max_hz, spi_mode);
- if (!spi) {
- printf("SF: Failed to set up slave\n");
+ bus = spi_setup_slave(busnum, cs, max_hz, spi_mode);
+ if (!bus)
return NULL;
- }
+ return spi_flash_probe_tail(bus);
+}
- /* Claim spi bus */
- ret = spi_claim_bus(spi);
- if (ret) {
- debug("SF: Failed to claim SPI bus: %d\n", ret);
- goto err_claim_bus;
- }
+#ifdef CONFIG_OF_SPI_FLASH
+struct spi_flash *spi_flash_probe_fdt(const void *blob, int slave_node,
+ int spi_node)
+{
+ struct spi_slave *bus;
- /* Read the ID codes */
- ret = spi_flash_cmd(spi, CMD_READ_ID, idcode, sizeof(idcode));
- if (ret) {
- printf("SF: Failed to get idcodes\n");
- goto err_read_id;
- }
+ bus = spi_setup_slave_fdt(blob, slave_node, spi_node);
+ if (!bus)
+ return NULL;
+ return spi_flash_probe_tail(bus);
+}
+#endif
-#ifdef DEBUG
- printf("SF: Got idcodes\n");
- print_buffer(0, idcode, 1, sizeof(idcode), 0);
+void spi_flash_free(struct spi_flash *flash)
+{
+#ifdef CONFIG_SPI_FLASH_MTD
+ spi_flash_mtd_unregister();
#endif
+ spi_free_slave(flash->spi);
+ free(flash);
+}
- /* Validate params from spi_flash_params table */
- flash = spi_flash_validate_params(spi, idcode);
- if (!flash)
- goto err_read_id;
+#else /* defined CONFIG_DM_SPI_FLASH */
-#ifdef CONFIG_OF_CONTROL
- if (spi_flash_decode_fdt(gd->fdt_blob, flash)) {
- debug("SF: FDT decode error\n");
- goto err_read_id;
- }
-#endif
-#ifndef CONFIG_SPL_BUILD
- printf("SF: Detected %s with page size ", flash->name);
- print_size(flash->page_size, ", erase size ");
- print_size(flash->erase_size, ", total ");
- print_size(flash->size, "");
- if (flash->memory_map)
- printf(", mapped at %p", flash->memory_map);
- puts("\n");
-#endif
-#ifndef CONFIG_SPI_FLASH_BAR
- if (flash->size > SPI_FLASH_16MB_BOUN) {
- puts("SF: Warning - Only lower 16MiB accessible,");
- puts(" Full access #define CONFIG_SPI_FLASH_BAR\n");
+static int spi_flash_std_read(struct udevice *dev, u32 offset, size_t len,
+ void *buf)
+{
+ struct spi_flash *flash = dev_get_uclass_priv(dev);
+
+ return spi_flash_cmd_read_ops(flash, offset, len, buf);
+}
+
+static int spi_flash_std_write(struct udevice *dev, u32 offset, size_t len,
+ const void *buf)
+{
+ struct spi_flash *flash = dev_get_uclass_priv(dev);
+
+#if defined(CONFIG_SPI_FLASH_SST)
+ if (flash->flags & SNOR_F_SST_WR) {
+ if (flash->spi->mode & SPI_TX_BYTE)
+ return sst_write_bp(flash, offset, len, buf);
+ else
+ return sst_write_wp(flash, offset, len, buf);
}
#endif
- /* Release spi bus */
- spi_release_bus(spi);
+ return spi_flash_cmd_write_ops(flash, offset, len, buf);
+}
- return flash;
+static int spi_flash_std_erase(struct udevice *dev, u32 offset, size_t len)
+{
+ struct spi_flash *flash = dev_get_uclass_priv(dev);
-err_read_id:
- spi_release_bus(spi);
-err_claim_bus:
- spi_free_slave(spi);
- return NULL;
+ return spi_flash_cmd_erase_ops(flash, offset, len);
}
-void spi_flash_free(struct spi_flash *flash)
+static int spi_flash_std_probe(struct udevice *dev)
{
- spi_free_slave(flash->spi);
- free(flash);
+ struct spi_slave *slave = dev_get_parent_priv(dev);
+ struct dm_spi_slave_platdata *plat = dev_get_parent_platdata(dev);
+ struct spi_flash *flash;
+
+ flash = dev_get_uclass_priv(dev);
+ flash->dev = dev;
+ flash->spi = slave;
+ debug("%s: slave=%p, cs=%d\n", __func__, slave, plat->cs);
+ return spi_flash_probe_slave(flash);
}
+
+static const struct dm_spi_flash_ops spi_flash_std_ops = {
+ .read = spi_flash_std_read,
+ .write = spi_flash_std_write,
+ .erase = spi_flash_std_erase,
+};
+
+static const struct udevice_id spi_flash_std_ids[] = {
+ { .compatible = "spi-flash" },
+ { }
+};
+
+U_BOOT_DRIVER(spi_flash_std) = {
+ .name = "spi_flash_std",
+ .id = UCLASS_SPI_FLASH,
+ .of_match = spi_flash_std_ids,
+ .probe = spi_flash_std_probe,
+ .priv_auto_alloc_size = sizeof(struct spi_flash),
+ .ops = &spi_flash_std_ops,
+};
+
+#endif /* CONFIG_DM_SPI_FLASH */
projects / oweals / u-boot.git / blobdiff