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driver: espi: Re-enable bus interrupts after espi reset.

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Espi bus interrupts need to re-enable after espi reset to get
all espi bus and vw signal interrupts.

Signed-off-by: Venkataramana Kotakonda <venkataramana.kotakonda@intel.com>
This commit is contained in:
Venkataramana Kotakonda 2020-04-22 17:11:23 -04:00 • committed by Carles Cufí
commit e34133cd2c
1 changed files with 11 additions and 1 deletions
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12
drivers/espi/espi_mchp_xec.c
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@ -688,6 +688,15 @@ static void espi_init_flash(struct device *dev)
} }
#endif #endif
static void espi_bus_init(struct device *dev)
{
const struct espi_xec_config *config = dev->config->config_info;
/* Enable bus interrupts */
MCHP_GIRQ_ENSET(config->bus_girq_id) = MCHP_ESPI_ESPI_RST_GIRQ_VAL |
MCHP_ESPI_VW_EN_GIRQ_VAL | MCHP_ESPI_PC_GIRQ_VAL;
}
static void espi_rst_isr(struct device *dev) static void espi_rst_isr(struct device *dev)
{ {
u8_t rst_sts; u8_t rst_sts;
@ -700,7 +709,7 @@ static void espi_rst_isr(struct device *dev)
ESPI_CAP_REGS->ERST_STS |= MCHP_ESPI_RST_ISTS; ESPI_CAP_REGS->ERST_STS |= MCHP_ESPI_RST_ISTS;
if (rst_sts & MCHP_ESPI_RST_ISTS) { if (rst_sts & MCHP_ESPI_RST_ISTS) {
if (rst_sts & ~MCHP_ESPI_RST_ISTS_PIN_RO_HI) { if (rst_sts & MCHP_ESPI_RST_ISTS_PIN_RO_HI) {
data->espi_rst_asserted = 1; data->espi_rst_asserted = 1;
} else { } else {
data->espi_rst_asserted = 0; data->espi_rst_asserted = 0;
@ -714,6 +723,7 @@ static void espi_rst_isr(struct device *dev)
#ifdef CONFIG_ESPI_FLASH_CHANNEL #ifdef CONFIG_ESPI_FLASH_CHANNEL
espi_init_flash(dev); espi_init_flash(dev);
#endif #endif
espi_bus_init(dev);
} }
} }