diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/amd/common/block/include/amdblocks/fch_spi.h | 102 | ||||
| -rw-r--r-- | src/soc/amd/common/block/spi/Makefile.inc | 18 | ||||
| -rw-r--r-- | src/soc/amd/common/block/spi/fch_spi_ctrl.c | 207 | ||||
| -rw-r--r-- | src/soc/amd/common/block/spi/fch_spi_flash.c | 248 | ||||
| -rw-r--r-- | src/soc/amd/common/block/spi/fch_spi_special.c | 88 | ||||
| -rw-r--r-- | src/soc/amd/common/block/spi/fch_spi_table.c | 78 |
6 files changed, 36 insertions, 705 deletions
diff --git a/src/soc/amd/common/block/include/amdblocks/fch_spi.h b/src/soc/amd/common/block/include/amdblocks/fch_spi.h deleted file mode 100644 index 8e288283b1..0000000000 --- a/src/soc/amd/common/block/include/amdblocks/fch_spi.h +++ /dev/null @@ -1,102 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2019 Silverback Ltd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#ifndef _FCH_SPI_H_ -#define _FCH_SPI_H_ - -#include <stdint.h> -#include <stddef.h> - -#define GRANULARITY_TEST_4k 0x0000f000 /* bits 15-12 */ -#define WORD_TO_DWORD_UPPER(x) ((x << 16) & 0xffff0000) -#define SPI_PAGE_WRITE 0x02 -#define SPI_WRITE_ENABLE 0x06 -/* - * IDCODE_CONT_LEN may be redefined if a device needs to declare a - * larger "shift" value. IDCODE_PART_LEN generally shouldn't be - * changed. This is the max number of bytes probe functions may - * examine when looking up part-specific identification info. - */ -#define IDCODE_CONT_CODE 0x7f -#define IDCODE_CONT_LEN 1 /* currently support only bank 0 */ -#define IDCODE_PART_LEN 5 -#define IDCODE_LEN (IDCODE_CONT_LEN + IDCODE_PART_LEN) - -/* SPI MMIO registers */ -#define SPI_RESTRICTED_CMD1 0x04 -#define SPI_RESTRICTED_CMD2 0x08 -#define SPI_CNTRL1 0x0c -#define SPI_CMD_CODE 0x45 -#define SPI_CMD_TRIGGER 0x47 -#define SPI_CMD_TRIGGER_EXECUTE BIT(7) -#define SPI_TX_BYTE_COUNT 0x48 -#define SPI_RX_BYTE_COUNT 0x4b -#define SPI_STATUS 0x4c -#define SPI_DONE_BYTE_COUNT_SHIFT 0 -#define SPI_DONE_BYTE_COUNT_MASK 0xff -#define SPI_FIFO_WR_PTR_SHIFT 8 -#define SPI_FIFO_WR_PTR_MASK 0x7f -#define SPI_FIFO_RD_PTR_SHIFT 16 -#define SPI_FIFO_RD_PTR_MASK 0x7f - -/* Special SST write commands */ -#define CMD_SST_BP 0x02 /* Byte Program */ -#define CMD_SST_AAI_WP 0xad /* Auto Address Increment Word Program */ - -#define SST_256 0x004b /* Only SST that programs 256 bytes at once */ - -enum non_standard_spi { - NON_STANDARD_SPI_NONE = 0, - NON_STANDARD_SPI_SST, -}; - -struct spi_flash_table { - const u8 shift; - const u8 idcode; - int (*probe)(const struct spi_slave *spi, u8 *idcode, - struct spi_flash *flash); -}; - -struct spi_data { - const char *name; - u32 size; - u32 sector_size; - u32 page_size; - u8 status_cmd; - u8 erase_cmd; - u8 write_cmd; - u8 write_enable_cmd; - u8 read_cmd; - u8 read_cmd_len; - enum non_standard_spi non_standard; -}; - -void fch_spi_init(void); -void fch_spi_flash_ops_init(struct spi_flash *flash); -int fch_spi_flash_cmd(const void *dout, size_t bytes_out, void *din, size_t bytes_in); -int fch_spi_flash_cmd_write(const u8 *cmd, size_t cmd_len, const void *data, size_t data_len); -int fch_spi_wait_cmd_ready(unsigned long timeout); -int non_standard_sst_byte_write(u32 offset, const void *buf); -int non_standard_sst_write_aai(u32 offset, size_t len, const void *buf, size_t start); -const struct spi_flash_table *get_spi_flash_table(int *table_size); -const struct spi_data *get_ctrl_spi_data(void); - -static inline int fch_spi_enable_write(void) -{ - u8 cmd_enable = SPI_WRITE_ENABLE; - return fch_spi_flash_cmd(&cmd_enable, 1, NULL, 0); -} - -#endif /* _FCH_SPI_H_ */ diff --git a/src/soc/amd/common/block/spi/Makefile.inc b/src/soc/amd/common/block/spi/Makefile.inc index b94eda405a..0e706ef3cb 100644 --- a/src/soc/amd/common/block/spi/Makefile.inc +++ b/src/soc/amd/common/block/spi/Makefile.inc @@ -1,30 +1,12 @@ ifeq ($(CONFIG_SOC_AMD_COMMON_BLOCK_SPI),y) bootblock-y += fch_spi_ctrl.c -bootblock-y += fch_spi_flash.c -bootblock-y += fch_spi_special.c -bootblock-y += fch_spi_table.c romstage-y += fch_spi_ctrl.c -romstage-y += fch_spi_flash.c -romstage-y += fch_spi_special.c -romstage-y += fch_spi_table.c verstage-y += fch_spi_ctrl.c -verstage-y += fch_spi_flash.c -verstage-y += fch_spi_special.c -verstage-y += fch_spi_table.c postcar-y += fch_spi_ctrl.c -postcar-y += fch_spi_flash.c -postcar-y += fch_spi_special.c -postcar-y += fch_spi_table.c ramstage-y += fch_spi_ctrl.c -ramstage-y += fch_spi_flash.c -ramstage-y += fch_spi_special.c -ramstage-y += fch_spi_table.c ifeq ($(CONFIG_SPI_FLASH_SMM),y) smm-y += fch_spi_ctrl.c -smm-y += fch_spi_flash.c -smm-y += fch_spi_special.c -smm-y += fch_spi_table.c endif endif diff --git a/src/soc/amd/common/block/spi/fch_spi_ctrl.c b/src/soc/amd/common/block/spi/fch_spi_ctrl.c index a7d9c77e12..0a629a3213 100644 --- a/src/soc/amd/common/block/spi/fch_spi_ctrl.c +++ b/src/soc/amd/common/block/spi/fch_spi_ctrl.c @@ -17,14 +17,31 @@ #include <spi_flash.h> #include <soc/southbridge.h> #include <soc/pci_devs.h> -#include <amdblocks/fch_spi.h> #include <amdblocks/lpc.h> -#include <drivers/spi/spi_flash_internal.h> #include <device/pci_ops.h> -#include <timer.h> #include <lib.h> +#include <timer.h> + +#define GRANULARITY_TEST_4k 0x0000f000 /* bits 15-12 */ +#define WORD_TO_DWORD_UPPER(x) ((x << 16) & 0xffff0000) + +/* SPI MMIO registers */ +#define SPI_RESTRICTED_CMD1 0x04 +#define SPI_RESTRICTED_CMD2 0x08 +#define SPI_CNTRL1 0x0c +#define SPI_CMD_CODE 0x45 +#define SPI_CMD_TRIGGER 0x47 +#define SPI_CMD_TRIGGER_EXECUTE BIT(7) +#define SPI_TX_BYTE_COUNT 0x48 +#define SPI_RX_BYTE_COUNT 0x4b +#define SPI_STATUS 0x4c +#define SPI_DONE_BYTE_COUNT_SHIFT 0 +#define SPI_DONE_BYTE_COUNT_MASK 0xff +#define SPI_FIFO_WR_PTR_SHIFT 8 +#define SPI_FIFO_WR_PTR_MASK 0x7f +#define SPI_FIFO_RD_PTR_SHIFT 16 +#define SPI_FIFO_RD_PTR_MASK 0x7f -static struct spi_data ctrl_spi_data; static uint32_t spibar; static inline uint8_t spi_read8(uint8_t reg) @@ -110,12 +127,8 @@ void spi_init(void) printk(BIOS_DEBUG, "%s: Spibar at 0x%08x\n", __func__, spibar); } -const struct spi_data *get_ctrl_spi_data(void) -{ - return &ctrl_spi_data; -} - -static int spi_ctrlr_xfer(const void *dout, size_t bytesout, void *din, size_t bytesin) +static int spi_ctrlr_xfer(const struct spi_slave *slave, const void *dout, + size_t bytesout, void *din, size_t bytesin) { size_t count; uint8_t cmd; @@ -161,161 +174,10 @@ static int spi_ctrlr_xfer(const void *dout, size_t bytesout, void *din, size_t b return 0; } -static int amd_xfer_vectors(struct spi_op vectors[], size_t count) -{ - int ret; - void *din; - size_t bytes_in; - - if (count < 1 || count > 2) - return -1; - - /* SPI flash commands always have a command first... */ - if (!vectors[0].dout || !vectors[0].bytesout) - return -1; - /* And not read any data during the command. */ - if (vectors[0].din || vectors[0].bytesin) - return -1; - - if (count == 2) { - /* If response bytes requested ensure the buffer is valid. */ - if (vectors[1].bytesin && !vectors[1].din) - return -1; - /* No sends can accompany a receive. */ - if (vectors[1].dout || vectors[1].bytesout) - return -1; - din = vectors[1].din; - bytes_in = vectors[1].bytesin; - } else { - din = NULL; - bytes_in = 0; - } - - ret = spi_ctrlr_xfer(vectors[0].dout, vectors[0].bytesout, din, bytes_in); - - if (ret) { - vectors[0].status = SPI_OP_FAILURE; - if (count == 2) - vectors[1].status = SPI_OP_FAILURE; - } else { - vectors[0].status = SPI_OP_SUCCESS; - if (count == 2) - vectors[1].status = SPI_OP_SUCCESS; - } - - return ret; -} - -int fch_spi_flash_cmd(const void *dout, size_t bytes_out, void *din, size_t bytes_in) +static int xfer_vectors(const struct spi_slave *slave, + struct spi_op vectors[], size_t count) { - /* - * SPI flash requires command-response kind of behavior. Thus, two - * separate SPI vectors are required -- first to transmit dout and other - * to receive in din. - */ - struct spi_op vectors[] = { - [0] = { .dout = dout, .bytesout = bytes_out, - .din = NULL, .bytesin = 0, }, - [1] = { .dout = NULL, .bytesout = 0, - .din = din, .bytesin = bytes_in }, - }; - size_t count = ARRAY_SIZE(vectors); - if (!bytes_in) - count = 1; - - return amd_xfer_vectors(vectors, count); -} - -static void set_ctrl_spi_data(struct spi_flash *flash) -{ - u8 cmd = SPI_PAGE_WRITE; - - ctrl_spi_data.name = flash->name; - ctrl_spi_data.size = flash->size; - ctrl_spi_data.sector_size = flash->sector_size; - ctrl_spi_data.status_cmd = flash->status_cmd; - ctrl_spi_data.erase_cmd = flash->erase_cmd; - ctrl_spi_data.write_enable_cmd = SPI_WRITE_ENABLE; - - if (flash->vendor == VENDOR_ID_SST) { - ctrl_spi_data.non_standard = NON_STANDARD_SPI_SST; - if ((flash->model & 0x00ff) == SST_256) - ctrl_spi_data.page_size = 256; - else { - ctrl_spi_data.page_size = 2; - cmd = CMD_SST_AAI_WP; - } - } else { - ctrl_spi_data.page_size = flash->page_size; - ctrl_spi_data.non_standard = NON_STANDARD_SPI_NONE; - } - ctrl_spi_data.write_cmd = cmd; - - if (CONFIG(SPI_FLASH_NO_FAST_READ)) { - ctrl_spi_data.read_cmd_len = 4; - ctrl_spi_data.read_cmd = CMD_READ_ARRAY_SLOW; - } else { - ctrl_spi_data.read_cmd_len = 5; - ctrl_spi_data.read_cmd = CMD_READ_ARRAY_FAST; - } -} - -static int fch_spi_flash_probe(const struct spi_slave *spi, struct spi_flash *flash) -{ - int ret, i, shift, table_size; - u8 idcode[IDCODE_LEN], *idp, cmd = CMD_READ_ID; - const struct spi_flash_table *flash_ptr = get_spi_flash_table(&table_size); - - /* Read the ID codes */ - ret = fch_spi_flash_cmd(&cmd, 1, idcode, sizeof(idcode)); - if (ret) - return -1; - - if (CONFIG(SOC_AMD_COMMON_BLOCK_SPI_DEBUG)) { - printk(BIOS_SPEW, "SF: Got idcode: "); - for (i = 0; i < sizeof(idcode); i++) - printk(BIOS_SPEW, "%02x ", idcode[i]); - printk(BIOS_SPEW, "\n"); - } - - /* - * All solid state devices have vendor id defined by JEDEC specification JEP106, - * which originally allocated only 7 bits for it plus parity. When number of - * vendors exploded beyond 126, a banking proposition came maintaining - * compatibility with older vendors while allowing for 4 extra bits (16 banks) - * through the introduction of the concept "Continuation Code", denoted by the - * byte value of 0x7f. - * Examples: - * 0xfe, 0x60, 0x18, 0x00, 0x00, 0x00 => vendor 0xfe of bank o - * 0x7f, 0x7f, 0xfe, 0x60, 0x18, 0x00 => vendor 0xfe of bank 2 - * count the number of continuation code bytes - */ - for (shift = 0, idp = idcode; *idp == IDCODE_CONT_CODE; ++shift, ++idp) { - if (shift < IDCODE_CONT_LEN) - continue; - printk(BIOS_ERR, "unsupported ID code bank\n"); - return -1; - } - - printk(BIOS_INFO, "Manufacturer: %02x on bank %d\n", *idp, shift); - - /* search the table for matches in shift and id */ - for (i = 0; i < table_size; ++i) { - if (flash_ptr->shift == shift && flash_ptr->idcode == *idp) { - /* we have a match, call probe */ - if (flash_ptr->probe(spi, idp, flash) == 0) { - flash->vendor = idp[0]; - flash->model = (idp[1] << 8) | idp[2]; - set_ctrl_spi_data(flash); - fch_spi_flash_ops_init(flash); - return 0; - } - } - flash_ptr++; - } - - /* No match, return error. */ - return -1; + return spi_flash_vector_helper(slave, vectors, count, spi_ctrlr_xfer); } static int protect_a_range(u32 value) @@ -408,12 +270,14 @@ static int fch_spi_flash_protect(const struct spi_flash *flash, const struct reg /* define commands to be blocked if in range */ reg32 = 0; if (type & WRITE_PROTECT) { - reg32 |= (ctrl_spi_data.write_enable_cmd << 24); - reg32 |= (ctrl_spi_data.write_cmd << 16); - reg32 |= (ctrl_spi_data.erase_cmd << 8); + /* FIXME */ + printk(BIOS_INFO, "%s: Write Enable and Write Cmd not blocked\n", __func__); + reg32 |= (flash->erase_cmd << 8); + } + if (type & READ_PROTECT) { + /* FIXME */ + printk(BIOS_INFO, "%s: READ_PROTECT not supported.\n", __func__); } - if (type & READ_PROTECT) - reg32 |= ctrl_spi_data.read_cmd; /* Final steps to protect region */ pci_write_config32(SOC_LPC_DEV, SPI_RESTRICTED_CMD1, reg32); @@ -424,9 +288,10 @@ static int fch_spi_flash_protect(const struct spi_flash *flash, const struct reg return 0; } -const struct spi_ctrlr fch_spi_flash_ctrlr = { +static const struct spi_ctrlr fch_spi_flash_ctrlr = { + .xfer_vector = xfer_vectors, .max_xfer_size = SPI_FIFO_DEPTH, - .flash_probe = fch_spi_flash_probe, + .flags = SPI_CNTRLR_DEDUCT_CMD_LEN | SPI_CNTRLR_DEDUCT_OPCODE_LEN, .flash_protect = fch_spi_flash_protect, }; diff --git a/src/soc/amd/common/block/spi/fch_spi_flash.c b/src/soc/amd/common/block/spi/fch_spi_flash.c deleted file mode 100644 index b05c1a4a14..0000000000 --- a/src/soc/amd/common/block/spi/fch_spi_flash.c +++ /dev/null @@ -1,248 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2019 Silverback Ltd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <commonlib/helpers.h> -#include <console/console.h> -#include <spi_flash.h> -#include <soc/southbridge.h> -#include <amdblocks/fch_spi.h> -#include <drivers/spi/spi_flash_internal.h> -#include <timer.h> -#include <string.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; -} - -static int crop_chunk(unsigned int cmd_len, unsigned int buf_len) -{ - return MIN((SPI_FIFO_DEPTH - (cmd_len - 1)), buf_len); -} - -int fch_spi_flash_cmd_write(const u8 *cmd, size_t cmd_len, const void *data, size_t data_len) -{ - int ret; - u8 buff[SPI_FIFO_DEPTH + 1]; - - /* Ensure FIFO is large enough. First byte of command does not go in the FIFO. */ - if ((cmd_len - 1 + data_len) > SPI_FIFO_DEPTH) - return -1; - memcpy(buff, cmd, cmd_len); - memcpy(buff + cmd_len, data, data_len); - - ret = fch_spi_flash_cmd(buff, cmd_len + data_len, NULL, 0); - if (ret) { - printk(BIOS_WARNING, "FCH_SF: Failed to send write command (%zu bytes): %d\n", - data_len, ret); - } - - return ret; -} - -static int fch_spi_flash_status(const struct spi_flash *flash, uint8_t *reg) -{ - int ret; - u8 status, cmd = CMD_READ_STATUS; - - ret = fch_spi_flash_cmd(&cmd, 1, &status, 1); - if (!ret) - *reg = status; - return ret; -} - -int fch_spi_wait_cmd_ready(unsigned long timeout) -{ - struct mono_time current, end; - int ret; - u8 status; - - timer_monotonic_get(¤t); - end = current; - mono_time_add_msecs(&end, timeout); - - do { - ret = fch_spi_flash_status(NULL, &status); - if (ret) - return -1; - if ((status & STATUS_WIP) == 0) - return 0; - timer_monotonic_get(¤t); - } while (!mono_time_after(¤t, &end)); - - printk(BIOS_DEBUG, "FCH_SF: timeout at %ld msec\n", timeout); - return -1; -} - -static int fch_spi_flash_erase(const struct spi_flash *flash, uint32_t offset, size_t len) -{ - u32 start, end, erase_size; - const struct spi_data *spi_data_ptr = get_ctrl_spi_data(); - int ret = -1; - u8 cmd[4]; - - erase_size = spi_data_ptr->sector_size; - if (offset % erase_size || len % erase_size) { - printk(BIOS_WARNING, "%s: Erase offset/length not multiple of erase size\n", - spi_data_ptr->name); - return -1; - } - if (len == 0) { - printk(BIOS_WARNING, "%s: Erase length cannot be 0\n", spi_data_ptr->name); - return -1; - } - - cmd[0] = spi_data_ptr->erase_cmd; - start = offset; - end = start + len; - - while (offset < end) { - spi_flash_addr(offset, cmd); - offset += erase_size; - -#if CONFIG(SOC_AMD_COMMON_BLOCK_SPI_DEBUG) - printk(BIOS_DEBUG, "FCH_SF: erase %2x %2x %2x %2x (%x)\n", cmd[0], cmd[1], - cmd[2], cmd[3], offset); -#endif - ret = fch_spi_enable_write(); - if (ret) - goto out; - - ret = fch_spi_flash_cmd_write(cmd, sizeof(cmd), NULL, 0); - if (ret) - goto out; - - ret = fch_spi_wait_cmd_ready(SPI_FLASH_PAGE_ERASE_TIMEOUT_MS); - if (ret) - goto out; - } - - printk(BIOS_DEBUG, "%s: Successfully erased %zu bytes @ %#x\n", spi_data_ptr->name, len, - start); - -out: - return ret; -} - -static int fch_spi_flash_read(const struct spi_flash *flash, uint32_t offset, size_t len, - void *buf) -{ - const struct spi_data *spi_data_ptr = get_ctrl_spi_data(); - uint8_t *data = buf; - int ret; - size_t xfer_len; - u8 cmd[5]; - - cmd[0] = spi_data_ptr->read_cmd; - cmd[4] = 0; - while (len) { - xfer_len = crop_chunk(spi_data_ptr->read_cmd_len, len); - spi_flash_addr(offset, cmd); - ret = fch_spi_flash_cmd(cmd, spi_data_ptr->read_cmd_len, data, xfer_len); - if (ret) { - printk(BIOS_WARNING, - "FCH_SF: Failed to send read command %#.2x(%#x, %#zx): %d\n", - cmd[0], offset, xfer_len, ret); - return ret; - } - offset += xfer_len; - data += xfer_len; - len -= xfer_len; - } - return 0; -} - -static int fch_spi_flash_write(const struct spi_flash *flash, uint32_t offset, size_t len, - const void *buf) -{ - unsigned long byte_addr; - unsigned long page_size; - const struct spi_data *spi_data_ptr = get_ctrl_spi_data(); - size_t chunk_len; - size_t actual, start = 0; - int ret = 0; - u8 cmd[4]; - - page_size = spi_data_ptr->page_size; - if (spi_data_ptr->non_standard == NON_STANDARD_SPI_SST) { - if (offset % 2) { - ret = non_standard_sst_byte_write(offset, buf); - len--; - start++; - offset++; - if (ret) - return ret; - } - if (page_size == 2) - return non_standard_sst_write_aai(offset, len, buf, start); - } - - for (actual = start; actual < len; actual += chunk_len) { - byte_addr = offset % page_size; - chunk_len = MIN(len - actual, page_size - byte_addr); - chunk_len = crop_chunk(sizeof(cmd), chunk_len); - - cmd[0] = spi_data_ptr->write_cmd; - cmd[1] = (offset >> 16) & 0xff; - cmd[2] = (offset >> 8) & 0xff; - cmd[3] = offset & 0xff; -#if CONFIG(SOC_AMD_COMMON_BLOCK_SPI_DEBUG) - printk(BIOS_DEBUG, "PP: %p => cmd = { 0x%02x 0x%02x%02x%02x } chunk_len = %zu" - "\n", buf + actual, cmd[0], cmd[1], cmd[2], cmd[3], chunk_len); -#endif - - ret = fch_spi_enable_write(); - if (ret < 0) { - printk(BIOS_WARNING, "%s: Enabling Write failed\n", spi_data_ptr->name); - goto out; - } - - ret = fch_spi_flash_cmd_write(cmd, sizeof(cmd), buf + actual, chunk_len); - if (ret < 0) { - printk(BIOS_WARNING, "%s: Page Program failed\n", spi_data_ptr->name); - goto out; - } - - ret = fch_spi_wait_cmd_ready(SPI_FLASH_PROG_TIMEOUT_MS); - if (ret) - goto out; - - offset += chunk_len; - } - -#if CONFIG(SOC_AMD_COMMON_BLOCK_SPI_DEBUG) - printk(BIOS_DEBUG, "%s: Successfully programmed %zu bytes @ 0x%lx\n", - spi_data_ptr->name, len, (unsigned long)(offset - len)); -#endif - ret = 0; - -out: - return ret; -} - -static const struct spi_flash_ops fch_spi_flash_ops = { - .read = fch_spi_flash_read, - .write = fch_spi_flash_write, - .erase = fch_spi_flash_erase, - .status = fch_spi_flash_status, -}; - -void fch_spi_flash_ops_init(struct spi_flash *flash) -{ - flash->ops = &fch_spi_flash_ops; -} diff --git a/src/soc/amd/common/block/spi/fch_spi_special.c b/src/soc/amd/common/block/spi/fch_spi_special.c deleted file mode 100644 index 27bea05143..0000000000 --- a/src/soc/amd/common/block/spi/fch_spi_special.c +++ /dev/null @@ -1,88 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2019 Silverback Ltd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <console/console.h> -#include <spi-generic.h> -#include <amdblocks/fch_spi.h> - -int non_standard_sst_byte_write(u32 offset, const void *buf) -{ - int ret; - u8 cmd[4] = { - CMD_SST_BP, - offset >> 16, - offset >> 8, - offset, - }; - - ret = fch_spi_enable_write(); - if (ret) - return ret; - - ret = fch_spi_flash_cmd_write(cmd, sizeof(cmd), buf, 1); - if (ret) - return ret; - - return fch_spi_wait_cmd_ready(SPI_FLASH_PROG_TIMEOUT_MS); -} - -int non_standard_sst_write_aai(u32 offset, size_t len, const void *buf, size_t start) -{ - size_t actual, cmd_len; - int ret = 0; - u8 cmd[4]; - - ret = fch_spi_enable_write(); - 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 = start; actual < len - 1; actual += 2) { -#if CONFIG(SOC_AMD_COMMON_BLOCK_SPI_DEBUG) - printk(BIOS_DEBUG, "PP: %p => cmd = { 0x%02x 0x%06lx }" - " chunk_len = 2\n", - buf + actual, cmd[0], (offset + actual)); -#endif - - ret = fch_spi_enable_write(); - if (ret < 0) { - printk(BIOS_WARNING, "SF: Enabling Write failed\n"); - break; - } - - ret = fch_spi_flash_cmd_write(cmd, cmd_len, buf + actual, 2); - if (ret < 0) { - printk(BIOS_WARNING, "SF: SST word Program failed\n"); - break; - } - - ret = fch_spi_wait_cmd_ready(SPI_FLASH_PROG_TIMEOUT_MS); - if (ret) - break; - - offset += 2; - cmd_len = 1; - } - /* If there is a single trailing byte, write it out */ - if (!ret && actual != len) - ret = non_standard_sst_byte_write(offset, buf + actual); -done: - return ret; -} diff --git a/src/soc/amd/common/block/spi/fch_spi_table.c b/src/soc/amd/common/block/spi/fch_spi_table.c deleted file mode 100644 index acea241ea4..0000000000 --- a/src/soc/amd/common/block/spi/fch_spi_table.c +++ /dev/null @@ -1,78 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2019 Silverback Ltd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <spi_flash.h> -#include <amdblocks/fch_spi.h> -#include <drivers/spi/spi_flash_internal.h> - -/* - * The following table holds all device probe functions - * - * shift: number of continuation bytes before the ID - * idcode: the expected IDCODE or 0xff for non JEDEC devices - * probe: the function to call - * - * Non JEDEC devices should be ordered in the table such that - * the probe functions with best detection algorithms come first. - * - * Several matching entries are permitted, they will be tried - * in sequence until a probe function returns non NULL. - * - * Probe functions will be given the idcode buffer starting at their - * manu id byte (the "idcode" in the table below). In other words, - * all of the continuation bytes will be skipped (the "shift" below). - */ - -const struct spi_flash_table flashes[] = { - /* Keep it sorted by define name */ -#if CONFIG(SPI_FLASH_ADESTO) - { 0, VENDOR_ID_ADESTO, spi_flash_probe_adesto, }, -#endif -#if CONFIG(SPI_FLASH_AMIC) - { 0, VENDOR_ID_AMIC, spi_flash_probe_amic, }, -#endif -#if CONFIG(SPI_FLASH_ATMEL) - { 0, VENDOR_ID_ATMEL, spi_flash_probe_atmel, }, -#endif -#if CONFIG(SPI_FLASH_EON) - { 0, VENDOR_ID_EON, spi_flash_probe_eon, }, -#endif -#if CONFIG(SPI_FLASH_GIGADEVICE) - { 0, VENDOR_ID_GIGADEVICE, spi_flash_probe_gigadevice, }, -#endif -#if CONFIG(SPI_FLASH_MACRONIX) - { 0, VENDOR_ID_MACRONIX, spi_flash_probe_macronix, }, -#endif -#if CONFIG(SPI_FLASH_SPANSION) - { 0, VENDOR_ID_SPANSION, spi_flash_probe_spansion, }, -#endif -#if CONFIG(SPI_FLASH_SST) - { 0, VENDOR_ID_SST, spi_flash_probe_sst, }, -#endif -#if CONFIG(SPI_FLASH_STMICRO) - { 0, VENDOR_ID_STMICRO, spi_flash_probe_stmicro, }, - { 0, VENDOR_ID_STMICRO_FF, spi_flash_probe_stmicro, }, -#endif -#if CONFIG(SPI_FLASH_WINBOND) - { 0, VENDOR_ID_WINBOND, spi_flash_probe_winbond, }, -#endif - /* Keep it sorted by best detection */ -}; - -const struct spi_flash_table *get_spi_flash_table(int *table_size) -{ - *table_size = (int)ARRAY_SIZE(flashes); - return &flashes[0]; -} |