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| author | Michał Barnaś <mb@semihalf.com> | 2021-09-27 19:04:23 +0200 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2021-10-01 18:15:47 +0000 |
| commit | 603cc1060149b7e5bc90b9e73ad8687b082f387b (patch) | |
| tree | 2e8bbb98dc35cee678f9686f332d6bb11f400c2c | |
| parent | 4c30c4c5b79cc5a2bb3748b991b7eb2c275abff7 (diff) | |
| download | chrome-ec-603cc1060149b7e5bc90b9e73ad8687b082f387b.tar.gz | |
zephyr: npcx: add get_jedec_id and get_status functions
This commit implements get_jedec_id and get_status functions for npcx.
BRANCH=main
BUG=b:190224781
TEST=Execute flashchip command in EC console on eg. lazor.
Values should be the same as in CrOS version.
Change-Id: Ie1ad596b793492dcdb72b1b99c8b7623776490f3
Signed-off-by: Michał Barnaś <mb@semihalf.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3187910
Reviewed-by: Keith Short <keithshort@chromium.org>
Reviewed-by: Wai-Hong Tam <waihong@google.com>
Commit-Queue: Keith Short <keithshort@chromium.org>
| -rw-r--r-- | zephyr/drivers/cros_flash/cros_flash_npcx.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/zephyr/drivers/cros_flash/cros_flash_npcx.c b/zephyr/drivers/cros_flash/cros_flash_npcx.c index bb1bd12d89..cd9b491fe3 100644 --- a/zephyr/drivers/cros_flash/cros_flash_npcx.c +++ b/zephyr/drivers/cros_flash/cros_flash_npcx.c @@ -774,6 +774,38 @@ static int cros_flash_npcx_protect_now(const struct device *dev, int all) return EC_SUCCESS; } +static int cros_flash_npcx_get_jedec_id(const struct device *dev, + uint8_t *manufacturer, + uint16_t *device) +{ + struct fiu_reg *const inst = HAL_INSTANCE(dev); + + /* Lock physical flash operations */ + crec_flash_lock_mapped_storage(1); + + /* Read manufacturer and device ID */ + cros_flash_npcx_exec_cmd(dev, + SPI_NOR_CMD_RDID, + UMA_CODE_CMD_RD_BYTE(3)); + + *manufacturer = inst->UMA_DB0; + *device = (inst->UMA_DB1 << 8) | inst->UMA_DB2; + + /* Unlock physical flash operations */ + crec_flash_lock_mapped_storage(0); + + return EC_SUCCESS; +} + +static int cros_flash_npcx_get_status(const struct device *dev, + uint8_t *sr1, uint8_t *sr2) +{ + *sr1 = flash_get_status1(dev); + *sr2 = flash_get_status2(dev); + + return EC_SUCCESS; +} + /* cros ec flash driver registration */ static const struct cros_flash_driver_api cros_flash_npcx_driver_api = { .init = cros_flash_npcx_init, @@ -784,6 +816,8 @@ static const struct cros_flash_driver_api cros_flash_npcx_driver_api = { .physical_get_protect_flags = cros_flash_npcx_get_protect_flags, .physical_protect_at_boot = cros_flash_npcx_protect_at_boot, .physical_protect_now = cros_flash_npcx_protect_now, + .physical_get_jedec_id = cros_flash_npcx_get_jedec_id, + .physical_get_status = cros_flash_npcx_get_status, }; static int flash_npcx_init(const struct device *dev) |