qm_rc_t qm_flash_page_erase(const qm_flash_t flash, qm_flash_region_t region,
uint32_t page_num)
{
QM_CHECK(flash < QM_FLASH_NUM, QM_RC_EINVAL);
QM_CHECK(region <= QM_FLASH_REGION_NUM, QM_RC_EINVAL);
QM_CHECK(page_num <= QM_FLASH_MAX_PAGE_NUM, QM_RC_EINVAL);
switch (region) {
case QM_FLASH_REGION_SYS:
#if (QUARK_D2000)
page_num += QM_FLASH_REGION_DATA_0_PAGES;
case QM_FLASH_REGION_DATA:
#endif
QM_FLASH[flash].flash_wr_ctrl =
(page_num << (QM_FLASH_PAGE_SIZE_BITS + WR_ADDR_OFFSET)) |
ER_REQ;
break;
case QM_FLASH_REGION_OTP:
QM_FLASH[flash].rom_wr_ctrl =
(page_num << (QM_FLASH_PAGE_SIZE_BITS + WR_ADDR_OFFSET)) |
ER_REQ;
break;
default:
return QM_RC_EINVAL;
}
while (!(QM_FLASH[flash].flash_stts & ER_DONE))
;
return QM_RC_OK;
}
int qm_spi_dma_transfer_terminate(qm_spi_t spi)
{
QM_CHECK(spi < QM_SPI_NUM, -EINVAL);
QM_CHECK(dma_context_tx[spi].cb_pending
? (dma_context_tx[spi].dma_channel_id < QM_DMA_CHANNEL_NUM)
: 1,
-EINVAL);
QM_CHECK(dma_context_rx[spi].cb_pending
? (dma_context_rx[spi].dma_channel_id < QM_DMA_CHANNEL_NUM)
: 1,
-EINVAL);
int ret = 0;
if (dma_context_tx[spi].cb_pending) {
if (0 !=
qm_dma_transfer_terminate(
dma_core[spi], dma_context_tx[spi].dma_channel_id)) {
ret = -EIO;
}
}
if (dma_context_rx[spi].cb_pending) {
if (0 !=
qm_dma_transfer_terminate(
dma_core[spi], dma_context_rx[spi].dma_channel_id)) {
ret = -EIO;
}
}
return ret;
}
int vreg_aon_set_mode(const vreg_mode_t mode)
{
QM_CHECK(mode < VREG_MODE_NUM, -EINVAL);
QM_CHECK(mode != VREG_MODE_SWITCHING, -EINVAL);
return vreg_set_mode(AON_VR, mode);
}
int qm_spi_set_config(const qm_spi_t spi, const qm_spi_config_t *cfg)
{
QM_CHECK(spi < QM_SPI_NUM, -EINVAL);
QM_CHECK(cfg, -EINVAL);
if (0 != QM_SPI[spi]->ssienr) {
return -EBUSY;
}
qm_spi_reg_t *const controller = QM_SPI[spi];
/* Apply the selected cfg options */
controller->ctrlr0 = (cfg->frame_size << QM_SPI_CTRLR0_DFS_32_OFFSET) |
(cfg->transfer_mode << QM_SPI_CTRLR0_TMOD_OFFSET) |
(cfg->bus_mode << QM_SPI_CTRLR0_SCPOL_SCPH_OFFSET);
controller->baudr = cfg->clk_divider;
/* Keep the current data frame size in bytes, being:
* - 1 byte for DFS set from 4 to 8 bits;
* - 2 bytes for DFS set from 9 to 16 bits;
* - 3 bytes for DFS set from 17 to 24 bits;
* - 4 bytes for DFS set from 25 to 32 bits.
*/
dfs[spi] = (cfg->frame_size / 8) + 1;
tmode[spi] = cfg->transfer_mode;
return 0;
}
int qm_aonc_get_value(const qm_aonc_t aonc, uint32_t *const val)
{
QM_CHECK(aonc < QM_AONC_NUM, -EINVAL);
QM_CHECK(val != NULL, -EINVAL);
*val = QM_AONC[aonc].aonc_cnt;
return 0;
}
int qm_aonpt_get_status(const qm_scss_aon_t aonc, bool *const status)
{
QM_CHECK(aonc < QM_SCSS_AON_NUM, -EINVAL);
QM_CHECK(status != NULL, -EINVAL);
*status = QM_SCSS_AON[aonc].aonpt_stat & BIT(0);
return 0;
}
int qm_aonpt_get_value(const qm_scss_aon_t aonc, uint32_t *const val)
{
QM_CHECK(aonc < QM_SCSS_AON_NUM, -EINVAL);
QM_CHECK(val != NULL, -EINVAL);
*val = QM_SCSS_AON[aonc].aonpt_cnt;
return 0;
}
qm_rc_t qm_flash_page_write(const qm_flash_t flash, qm_flash_region_t region,
uint32_t page_num, uint32_t *data, uint32_t len)
{
QM_CHECK(flash < QM_FLASH_NUM, QM_RC_EINVAL);
QM_CHECK(region <= QM_FLASH_REGION_NUM, QM_RC_EINVAL);
QM_CHECK(page_num <= QM_FLASH_MAX_PAGE_NUM, QM_RC_EINVAL);
QM_CHECK(data != NULL, QM_RC_EINVAL);
QM_CHECK(len <= QM_FLASH_PAGE_SIZE, QM_RC_EINVAL);
uint32_t i;
volatile uint32_t *p_wr_data, *p_wr_ctrl;
/* Rom and flash write registers are laid out the same, but different */
/* locations in memory, so point to those to have the same function to*/
/* update page section based on main or rom. */
switch (region) {
case QM_FLASH_REGION_SYS:
#if (QUARK_D2000)
page_num += QM_FLASH_REGION_DATA_0_PAGES;
case QM_FLASH_REGION_DATA:
#endif
p_wr_data = &QM_FLASH[flash].flash_wr_data;
p_wr_ctrl = &QM_FLASH[flash].flash_wr_ctrl;
break;
case QM_FLASH_REGION_OTP:
p_wr_data = &QM_FLASH[flash].rom_wr_data;
p_wr_ctrl = &QM_FLASH[flash].rom_wr_ctrl;
break;
default:
return QM_RC_ERROR;
break;
}
/* Update address to include the write_address offset. */
page_num <<= (QM_FLASH_PAGE_SIZE_BITS + WR_ADDR_OFFSET);
/* Erase the Flash page. */
*p_wr_ctrl = page_num | ER_REQ;
/* Wait for the erase to complete. */
while (!(QM_FLASH[flash].flash_stts & ER_DONE))
;
/* Write bytes into Flash. */
for (i = 0; i < len; i++) {
*p_wr_data = data[i];
*p_wr_ctrl = page_num;
*p_wr_ctrl |= WR_REQ;
page_num += QM_FLASH_ADDR_INC;
/* Wait for write to finish. */
while (!(QM_FLASH[flash].flash_stts & WR_DONE))
;
}
return QM_RC_OK;
}
qm_rc_t qm_gpio_clear_pin(const qm_gpio_t gpio, const uint8_t pin)
{
QM_CHECK(gpio < QM_GPIO_NUM, QM_RC_EINVAL);
QM_CHECK(pin <= QM_NUM_GPIO_PINS, QM_RC_EINVAL);
QM_GPIO[gpio]->gpio_swporta_dr &= ~(1 << pin);
return QM_RC_OK;
}
qm_rc_t qm_wdt_get_config(const qm_wdt_t wdt, qm_wdt_config_t *const cfg)
{
QM_CHECK(wdt < QM_WDT_NUM, QM_RC_EINVAL);
QM_CHECK(cfg != NULL, QM_RC_EINVAL);
cfg->timeout = QM_WDT[wdt].wdt_torr & QM_WDT_TIMEOUT_MASK;
cfg->mode = (QM_WDT[wdt].wdt_cr & QM_WDT_MODE) >> QM_WDT_MODE_OFFSET;
cfg->callback = callback[wdt];
return QM_RC_OK;
}
int qm_flash_save_context(const qm_flash_t flash, qm_flash_context_t *const ctx)
{
QM_CHECK(flash < QM_FLASH_NUM, -EINVAL);
QM_CHECK(ctx != NULL, -EINVAL);
qm_flash_reg_t *const controller = QM_FLASH[flash];
ctx->tmg_ctrl = controller->tmg_ctrl;
ctx->ctrl = controller->ctrl;
return 0;
}
int qm_spi_save_context(const qm_spi_t spi, qm_spi_context_t *const ctx)
{
QM_CHECK(spi < QM_SPI_NUM, -EINVAL);
QM_CHECK(ctx != NULL, -EINVAL);
qm_spi_reg_t *const regs = QM_SPI[spi];
ctx->ctrlr0 = regs->ctrlr0;
ctx->ser = regs->ser;
ctx->baudr = regs->baudr;
return 0;
}
int qm_flash_word_write(const qm_flash_t flash, const qm_flash_region_t region,
uint32_t f_addr, const uint32_t data)
{
QM_CHECK(flash < QM_FLASH_NUM, -EINVAL);
QM_CHECK(region <= QM_FLASH_REGION_NUM, -EINVAL);
QM_CHECK(f_addr < QM_FLASH_MAX_ADDR, -EINVAL);
volatile uint32_t *p_wr_data, *p_wr_ctrl;
qm_flash_reg_t *const controller = QM_FLASH[flash];
/* Rom and flash write registers are laid out the same, but different */
/* locations in memory, so point to those to have the same function to*/
/* update page section based on main or rom. */
switch (region) {
case QM_FLASH_REGION_SYS:
p_wr_data = &controller->flash_wr_data;
p_wr_ctrl = &controller->flash_wr_ctrl;
#if (QUARK_D2000)
/* Main flash memory starts after flash data section. */
f_addr += QM_FLASH_REGION_DATA_0_SIZE;
#endif
break;
#if (QUARK_D2000)
case QM_FLASH_REGION_DATA:
p_wr_data = &controller->flash_wr_data;
p_wr_ctrl = &controller->flash_wr_ctrl;
break;
#endif
case QM_FLASH_REGION_OTP:
p_wr_data = &controller->rom_wr_data;
p_wr_ctrl = &controller->rom_wr_ctrl;
break;
default:
return -EINVAL;
break;
}
/* Update address to include the write_address offset. */
f_addr <<= WR_ADDR_OFFSET;
*p_wr_data = data;
*p_wr_ctrl = f_addr |= WR_REQ;
/* Wait for write to finish. */
while (!(controller->flash_stts & WR_DONE))
;
return 0;
}
qm_rc_t qm_wdt_set_config(const qm_wdt_t wdt, const qm_wdt_config_t *const cfg)
{
QM_CHECK(wdt < QM_WDT_NUM, QM_RC_EINVAL);
QM_CHECK(cfg != NULL, QM_RC_EINVAL);
QM_WDT[wdt].wdt_cr &= ~QM_WDT_MODE;
QM_WDT[wdt].wdt_cr |= cfg->mode << QM_WDT_MODE_OFFSET;
QM_WDT[wdt].wdt_torr = cfg->timeout;
/* kick the WDT to load the Timeout Period(TOP) value */
qm_wdt_reload(wdt);
callback[wdt] = cfg->callback;
return QM_RC_OK;
}
int qm_ss_spi_get_status(const qm_ss_spi_t spi,
qm_ss_spi_status_t *const status)
{
QM_CHECK(spi < QM_SS_SPI_NUM, -EINVAL);
QM_CHECK(status, -EINVAL);
if (__builtin_arc_lr(base[spi] + QM_SS_SPI_SR) & QM_SS_SPI_SR_BUSY) {
*status = QM_SS_SPI_BUSY;
} else {
*status = QM_SS_SPI_IDLE;
}
return 0;
}
int qm_ss_spi_irq_transfer(const qm_ss_spi_t spi,
const qm_ss_spi_async_transfer_t *const xfer)
{
QM_CHECK(spi < QM_SS_SPI_NUM, -EINVAL);
QM_CHECK(xfer, -EINVAL);
/* Load and save initial control register */
uint32_t ctrl = __builtin_arc_lr(base[spi] + QM_SS_SPI_CTRL);
uint8_t tmode = (uint8_t)((ctrl & QM_SS_SPI_CTRL_TMOD_MASK) >>
QM_SS_SPI_CTRL_TMOD_OFFS);
uint8_t bytes = BYTES_PER_FRAME(ctrl);
QM_CHECK(tmode == QM_SS_SPI_TMOD_TX_RX ? (xfer->tx_len == xfer->rx_len)
: 1,
-EINVAL);
spi_async_transfer[spi] = xfer;
tx_c[spi] = xfer->tx_len;
rx_c[spi] = xfer->rx_len;
/* Set NDF (Number of Data Frames) in RX or EEPROM Read mode. (-1) */
if (tmode == QM_SS_SPI_TMOD_RX || tmode == QM_SS_SPI_TMOD_EEPROM_READ) {
ctrl &= ~QM_SS_SPI_CTRL_NDF_MASK;
ctrl |= ((xfer->rx_len - 1) << QM_SS_SPI_CTRL_NDF_OFFS) &
QM_SS_SPI_CTRL_NDF_MASK;
__builtin_arc_sr(ctrl, base[spi] + QM_SS_SPI_CTRL);
}
uint32_t ftlr =
(((FIFO_RX_W_MARK < xfer->rx_len ? FIFO_RX_W_MARK : xfer->rx_len) -
1)
<< QM_SS_SPI_FTLR_RFT_OFFS) &
QM_SS_SPI_FTLR_RFT_MASK;
__builtin_arc_sr(ftlr, base[spi] + QM_SS_SPI_FTLR);
/* Unmask all interrupts */
__builtin_arc_sr(QM_SS_SPI_INTR_ALL, base[spi] + QM_SS_SPI_INTR_MASK);
/* Enable SPI device */
QM_SS_REG_AUX_OR(base[spi] + QM_SS_SPI_SPIEN, QM_SS_SPI_SPIEN_EN);
/* RX only transfers need a dummy frame byte to be sent. */
if (tmode == QM_SS_SPI_TMOD_RX) {
fifo_write(spi, (uint8_t *)&dummy_frame, bytes);
}
return 0;
}
int qm_ss_spi_transfer_terminate(const qm_ss_spi_t spi)
{
QM_CHECK(spi < QM_SS_SPI_NUM, -EINVAL);
const qm_ss_spi_async_transfer_t *const transfer =
spi_async_transfer[spi];
spi_disable(spi);
if (transfer->callback) {
uint32_t len = 0;
uint32_t ctrl = __builtin_arc_lr(base[spi] + QM_SS_SPI_CTRL);
uint8_t tmode = (uint8_t)((ctrl & QM_SS_SPI_CTRL_TMOD_MASK) >>
QM_SS_SPI_CTRL_TMOD_OFFS);
if (tmode == QM_SS_SPI_TMOD_TX ||
tmode == QM_SS_SPI_TMOD_TX_RX) {
len = transfer->tx_len - tx_c[spi];
} else {
len = transfer->rx_len - rx_c[spi];
}
/*
* NOTE: change this to return controller-specific code
* 'user aborted'.
*/
transfer->callback(transfer->callback_data, -ECANCELED,
QM_SS_SPI_IDLE, (uint16_t)len);
}
qm_rc_t qm_aonpt_get_config(const qm_scss_aon_t aonc,
qm_aonpt_config_t *const cfg)
{
QM_CHECK(aonc < QM_SCSS_AON_NUM, QM_RC_EINVAL);
QM_CHECK(cfg != NULL, QM_RC_EINVAL);
cfg->count = QM_SCSS_AON[aonc].aonpt_cfg;
if (callback == NULL) {
cfg->int_en = false;
} else {
cfg->int_en = true;
}
cfg->callback = callback;
return QM_RC_OK;
}
int rar_set_mode(const rar_state_t mode)
{
QM_CHECK(mode <= RAR_RETENTION, -EINVAL);
volatile uint32_t i = 32;
volatile uint32_t reg;
switch (mode) {
case RAR_RETENTION:
QM_SCSS_PMU->aon_vr |=
(QM_AON_VR_PASS_CODE | QM_AON_VR_ROK_BUF_VREG_MASK);
QM_SCSS_PMU->aon_vr |=
(QM_AON_VR_PASS_CODE | QM_AON_VR_VREG_SEL);
break;
case RAR_NORMAL:
reg = QM_SCSS_PMU->aon_vr & ~QM_AON_VR_VREG_SEL;
QM_SCSS_PMU->aon_vr = QM_AON_VR_PASS_CODE | reg;
/* Wait for >= 2usec, at most 64 clock cycles. */
while (i--) {
__asm__ __volatile__("nop");
}
reg = QM_SCSS_PMU->aon_vr & ~QM_AON_VR_ROK_BUF_VREG_MASK;
QM_SCSS_PMU->aon_vr = QM_AON_VR_PASS_CODE | reg;
break;
}
return 0;
}
qm_rc_t qm_flash_get_config(const qm_flash_t flash, qm_flash_config_t *cfg)
{
QM_CHECK(flash < QM_FLASH_NUM, QM_RC_EINVAL);
QM_CHECK(cfg != NULL, QM_RC_EINVAL);
cfg->wait_states =
(QM_FLASH[flash].tmg_ctrl & QM_FLASH_WAIT_STATE_MASK) >>
QM_FLASH_WAIT_STATE_OFFSET;
cfg->us_count =
QM_FLASH[flash].tmg_ctrl & QM_FLASH_MICRO_SEC_COUNT_MASK;
cfg->write_disable =
(QM_FLASH[flash].ctrl & QM_FLASH_WRITE_DISABLE_VAL) >>
QM_FLASH_WRITE_DISABLE_OFFSET;
return QM_RC_OK;
}
int qm_spi_irq_transfer_terminate(const qm_spi_t spi)
{
QM_CHECK(spi < QM_SPI_NUM, -EINVAL);
qm_spi_reg_t *const controller = QM_SPI[spi];
const qm_spi_async_transfer_t *const transfer = spi_async_transfer[spi];
/* Mask the interrupts */
controller->imr = QM_SPI_IMR_MASK_ALL;
controller->ssienr = 0; /** Disable SPI device */
if (transfer->callback) {
uint16_t len = 0;
if (tmode[spi] == QM_SPI_TMOD_TX ||
tmode[spi] == QM_SPI_TMOD_TX_RX) {
len = tx_counter[spi];
} else {
len = rx_counter[spi];
}
/*
* NOTE: change this to return controller-specific code
* 'user aborted'.
*/
transfer->callback(transfer->callback_data, -ECANCELED,
QM_SPI_IDLE, len);
}
tx_counter[spi] = 0;
rx_counter[spi] = 0;
return 0;
}
static int vreg_set_mode(const vreg_t id, const vreg_mode_t mode)
{
QM_CHECK(mode < VREG_MODE_NUM, -EINVAL);
uint32_t vr;
vr = *vreg[id];
switch (mode) {
case VREG_MODE_SWITCHING:
vr |= QM_SCSS_VR_EN;
vr &= ~QM_SCSS_VR_VREG_SEL;
break;
case VREG_MODE_LINEAR:
vr |= QM_SCSS_VR_EN;
vr |= QM_SCSS_VR_VREG_SEL;
break;
case VREG_MODE_SHUTDOWN:
vr &= ~QM_SCSS_VR_EN;
break;
default:
break;
}
*vreg[id] = vr;
while ((mode == VREG_MODE_SWITCHING) &&
(*vreg[id] & QM_SCSS_VR_ROK) == 0) {
}
return 0;
}
qm_rc_t qm_gpio_write_port(const qm_gpio_t gpio, const uint32_t val)
{
QM_CHECK(gpio < QM_GPIO_NUM, QM_RC_EINVAL);
QM_GPIO[gpio]->gpio_swporta_dr = val;
return QM_RC_OK;
}
qm_rc_t qm_aonpt_set_config(const qm_scss_aon_t aonc,
const qm_aonpt_config_t *const cfg)
{
QM_CHECK(aonc < QM_SCSS_AON_NUM, QM_RC_EINVAL);
QM_CHECK(cfg != NULL, QM_RC_EINVAL);
QM_SCSS_AON[aonc].aonpt_ctrl |= BIT(0); /* Clear pending interrupts */
QM_SCSS_AON[aonc].aonpt_cfg = cfg->count;
if (cfg->int_en) {
callback = cfg->callback;
} else {
callback = NULL;
}
QM_SCSS_AON[aonc].aonpt_ctrl |= BIT(1); /* Reset the value to count */
return QM_RC_OK;
}
qm_rc_t qm_aonc_disable(const qm_scss_aon_t aonc)
{
QM_CHECK(aonc < QM_SCSS_AON_NUM, QM_RC_EINVAL);
QM_SCSS_AON[aonc].aonc_cfg = 0x0;
return QM_RC_OK;
}
qm_rc_t qm_aonpt_reset(const qm_scss_aon_t aonc)
{
QM_CHECK(aonc < QM_SCSS_AON_NUM, QM_RC_EINVAL);
QM_SCSS_AON[aonc].aonpt_ctrl |= BIT(1);
return QM_RC_OK;
}
qm_rc_t qm_wdt_reload(const qm_wdt_t wdt)
{
QM_CHECK(wdt < QM_WDT_NUM, QM_RC_EINVAL);
QM_WDT[wdt].wdt_crr = QM_WDT_RELOAD_VALUE;
return QM_RC_OK;
}
int qm_aonc_disable(const qm_aonc_t aonc)
{
QM_CHECK(aonc < QM_AONC_NUM, -EINVAL);
QM_AONC[aonc].aonc_cfg = 0x0;
return 0;
}
int qm_aonpt_set_config(const qm_aonc_t aonc,
const qm_aonpt_config_t *const cfg)
{
QM_CHECK(aonc < QM_AONC_NUM, -EINVAL);
QM_CHECK(cfg != NULL, -EINVAL);
QM_AONC[aonc].aonpt_cfg = cfg->count;
if (cfg->int_en) {
callback = cfg->callback;
callback_data = cfg->callback_data;
} else {
callback = NULL;
}
pt_reset(aonc);
return 0;
}
int qm_wdt_reload(const qm_wdt_t wdt)
{
QM_CHECK(wdt < QM_WDT_NUM, -EINVAL);
QM_WDT[wdt].wdt_crr = QM_WDT_RELOAD_VALUE;
return 0;
}