drivers: flash: Remove VIMS calls for cc23x0
Remove VIMS calls for flash operations, since they are not needed. Signed-off-by: Stoyan Bogdanov <sbogdanov@baylibre.com>
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1 changed files with 0 additions and 44 deletions
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@ -12,7 +12,6 @@
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#include <string.h>
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#include <driverlib/flash.h>
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#include <driverlib/vims.h>
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#define DT_DRV_COMPAT ti_cc23x0_flash_controller
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#define SOC_NV_FLASH_NODE DT_INST(0, soc_nv_flash)
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@ -40,44 +39,9 @@ static int flash_cc23x0_init(const struct device *dev)
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return 0;
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}
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static void flash_cc23x0_cache_restore(uint32_t vims_mode)
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{
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while (VIMSModeGet(VIMS_BASE) == VIMS_MODE_CHANGING) {
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;
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}
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/* Restore VIMS mode and line buffers */
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if (vims_mode != VIMS_MODE_DISABLED) {
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VIMSModeSafeSet(VIMS_BASE, vims_mode, true);
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}
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VIMSLineBufEnable(VIMS_BASE);
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}
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static uint32_t flash_cc23x0_cache_disable(void)
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{
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uint32_t vims_mode;
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/* VIMS and both line buffers should be off during flash update */
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VIMSLineBufDisable(VIMS_BASE);
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while (VIMSModeGet(VIMS_BASE) == VIMS_MODE_CHANGING) {
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;
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}
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/* Save current VIMS mode for restoring it later */
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vims_mode = VIMSModeGet(VIMS_BASE);
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if (vims_mode != VIMS_MODE_DISABLED) {
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VIMSModeSafeSet(VIMS_BASE, VIMS_MODE_DISABLED, true);
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}
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return vims_mode;
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}
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static int flash_cc23x0_erase(const struct device *dev, off_t offs, size_t size)
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{
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struct flash_cc23x0_data *data = dev->data;
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uint32_t vims_mode;
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unsigned int key;
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int i;
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int rc = 0;
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@ -96,7 +60,6 @@ static int flash_cc23x0_erase(const struct device *dev, off_t offs, size_t size)
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return -EACCES;
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}
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vims_mode = flash_cc23x0_cache_disable();
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/*
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* Disable all interrupts to prevent flash read, from TI's TRF:
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*
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@ -121,8 +84,6 @@ static int flash_cc23x0_erase(const struct device *dev, off_t offs, size_t size)
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irq_unlock(key);
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flash_cc23x0_cache_restore(vims_mode);
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k_sem_give(&data->mutex);
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return rc;
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}
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@ -130,7 +91,6 @@ static int flash_cc23x0_erase(const struct device *dev, off_t offs, size_t size)
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static int flash_cc23x0_write(const struct device *dev, off_t offs, const void *data, size_t size)
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{
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struct flash_cc23x0_data *flash_data = dev->data;
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uint32_t vims_mode;
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unsigned int key;
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int rc = 0;
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@ -159,8 +119,6 @@ static int flash_cc23x0_write(const struct device *dev, off_t offs, const void *
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return -EACCES;
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}
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vims_mode = flash_cc23x0_cache_disable();
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key = irq_lock();
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while (FlashCheckFsmForReady() != FAPI_STATUS_FSM_READY) {
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@ -174,8 +132,6 @@ static int flash_cc23x0_write(const struct device *dev, off_t offs, const void *
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irq_unlock(key);
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flash_cc23x0_cache_restore(vims_mode);
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k_sem_give(&flash_data->mutex);
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return rc;
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