diff options
Diffstat (limited to 'src/soc/amd/common/block/include')
| -rw-r--r-- | src/soc/amd/common/block/include/amdblocks/fch_spi.h | 102 |
1 files changed, 0 insertions, 102 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_ */ |