+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (c) 2011 The Chromium OS Authors.
*
- * SPDX-License-Identifier: GPL-2.0+
- *
* This file is derived from the flashrom project.
*/
HSFC_FSMIE = 0x8000
};
-enum {
- SPI_OPCODE_TYPE_READ_NO_ADDRESS = 0,
- SPI_OPCODE_TYPE_WRITE_NO_ADDRESS = 1,
- SPI_OPCODE_TYPE_READ_WITH_ADDRESS = 2,
- SPI_OPCODE_TYPE_WRITE_WITH_ADDRESS = 3
-};
-
enum {
ICH_MAX_CMD_LEN = 5,
};
uint32_t offset;
};
+#define SPI_OPCODE_WRSR 0x01
+#define SPI_OPCODE_PAGE_PROGRAM 0x02
+#define SPI_OPCODE_READ 0x03
+#define SPI_OPCODE_WRDIS 0x04
+#define SPI_OPCODE_RDSR 0x05
#define SPI_OPCODE_WREN 0x06
#define SPI_OPCODE_FAST_READ 0x0b
+#define SPI_OPCODE_ERASE_SECT 0x20
+#define SPI_OPCODE_READ_ID 0x9f
+#define SPI_OPCODE_ERASE_BLOCK 0xd8
+
+#define SPI_OPCODE_TYPE_READ_NO_ADDRESS 0
+#define SPI_OPCODE_TYPE_WRITE_NO_ADDRESS 1
+#define SPI_OPCODE_TYPE_READ_WITH_ADDRESS 2
+#define SPI_OPCODE_TYPE_WRITE_WITH_ADDRESS 3
+
+#define SPI_OPMENU_0 SPI_OPCODE_WRSR
+#define SPI_OPTYPE_0 SPI_OPCODE_TYPE_WRITE_NO_ADDRESS
+
+#define SPI_OPMENU_1 SPI_OPCODE_PAGE_PROGRAM
+#define SPI_OPTYPE_1 SPI_OPCODE_TYPE_WRITE_WITH_ADDRESS
+
+#define SPI_OPMENU_2 SPI_OPCODE_READ
+#define SPI_OPTYPE_2 SPI_OPCODE_TYPE_READ_WITH_ADDRESS
+
+#define SPI_OPMENU_3 SPI_OPCODE_RDSR
+#define SPI_OPTYPE_3 SPI_OPCODE_TYPE_READ_NO_ADDRESS
+
+#define SPI_OPMENU_4 SPI_OPCODE_ERASE_SECT
+#define SPI_OPTYPE_4 SPI_OPCODE_TYPE_WRITE_WITH_ADDRESS
+
+#define SPI_OPMENU_5 SPI_OPCODE_READ_ID
+#define SPI_OPTYPE_5 SPI_OPCODE_TYPE_READ_NO_ADDRESS
+
+#define SPI_OPMENU_6 SPI_OPCODE_ERASE_BLOCK
+#define SPI_OPTYPE_6 SPI_OPCODE_TYPE_WRITE_WITH_ADDRESS
+
+#define SPI_OPMENU_7 SPI_OPCODE_FAST_READ
+#define SPI_OPTYPE_7 SPI_OPCODE_TYPE_READ_WITH_ADDRESS
+
+#define SPI_OPPREFIX ((SPI_OPCODE_WREN << 8) | SPI_OPCODE_WREN)
+#define SPI_OPTYPE ((SPI_OPTYPE_7 << 14) | (SPI_OPTYPE_6 << 12) | \
+ (SPI_OPTYPE_5 << 10) | (SPI_OPTYPE_4 << 8) | \
+ (SPI_OPTYPE_3 << 6) | (SPI_OPTYPE_2 << 4) | \
+ (SPI_OPTYPE_1 << 2) | (SPI_OPTYPE_0 << 0))
+#define SPI_OPMENU_UPPER ((SPI_OPMENU_7 << 24) | (SPI_OPMENU_6 << 16) | \
+ (SPI_OPMENU_5 << 8) | (SPI_OPMENU_4 << 0))
+#define SPI_OPMENU_LOWER ((SPI_OPMENU_3 << 24) | (SPI_OPMENU_2 << 16) | \
+ (SPI_OPMENU_1 << 8) | (SPI_OPMENU_0 << 0))
enum ich_version {
ICHV_7,
struct ich_spi_platdata {
enum ich_version ich_version; /* Controller version, 7 or 9 */
+ bool lockdown; /* lock down controller settings? */
};
struct ich_spi_priv {
- int ichspi_lock;
- int locked;
int opmenu;
int menubytes;
void *base; /* Base of register set */