diff options
| author | Cédric Le Goater <clg@kaod.org> | 2022-06-13 14:05:48 +0200 |
|---|---|---|
| committer | Cédric Le Goater <clg@kaod.org> | 2022-06-22 09:49:34 +0200 |
| commit | 33e30f11c7f9069417f14461b1d15a5beae4b3e4 (patch) | |
| tree | c6bcbc8faba8a5ab3456a3d5a966ae790e192cc4 /hw/i2c | |
| parent | d72a712ce038df621c227c0843354c553fe91b8a (diff) | |
aspeed/i2c: Enable SLAVE_ADDR_RX_MATCH always
There is no 'slave match interrupt' enable bit in the Interrupt
Control Register. Consider it is always enabled and extend the mask
value 'bus->regs[intr_ctrl_reg]' with the SLAVE_ADDR_RX_MATCH bit when
the interrupt is raised.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Diffstat (limited to 'hw/i2c')
| -rw-r--r-- | hw/i2c/aspeed_i2c.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/hw/i2c/aspeed_i2c.c b/hw/i2c/aspeed_i2c.c index f9fce0d84b..37ae1f2e04 100644 --- a/hw/i2c/aspeed_i2c.c +++ b/hw/i2c/aspeed_i2c.c @@ -32,15 +32,20 @@ #include "hw/registerfields.h" #include "trace.h" +/* Enable SLAVE_ADDR_RX_MATCH always */ +#define R_I2CD_INTR_STS_ALWAYS_ENABLE R_I2CD_INTR_STS_SLAVE_ADDR_RX_MATCH_MASK + static inline void aspeed_i2c_bus_raise_interrupt(AspeedI2CBus *bus) { AspeedI2CClass *aic = ASPEED_I2C_GET_CLASS(bus->controller); uint32_t reg_intr_sts = aspeed_i2c_bus_intr_sts_offset(bus); uint32_t intr_ctrl_reg = aspeed_i2c_bus_intr_ctrl_offset(bus); + uint32_t intr_ctrl_mask = bus->regs[intr_ctrl_reg] | + R_I2CD_INTR_STS_ALWAYS_ENABLE; bool raise_irq; if (trace_event_get_state_backends(TRACE_ASPEED_I2C_BUS_RAISE_INTERRUPT)) { - g_autofree char *buf = g_strdup_printf("%s%s%s%s%s%s", + g_autofree char *buf = g_strdup_printf("%s%s%s%s%s%s%s", aspeed_i2c_bus_pkt_mode_en(bus) && ARRAY_FIELD_EX32(bus->regs, I2CM_INTR_STS, PKT_CMD_DONE) ? "pktdone|" : "", @@ -50,6 +55,8 @@ static inline void aspeed_i2c_bus_raise_interrupt(AspeedI2CBus *bus) "ack|" : "", SHARED_ARRAY_FIELD_EX32(bus->regs, reg_intr_sts, RX_DONE) ? "done|" : "", + ARRAY_FIELD_EX32(bus->regs, I2CD_INTR_STS, SLAVE_ADDR_RX_MATCH) ? + "slave-match|" : "", SHARED_ARRAY_FIELD_EX32(bus->regs, reg_intr_sts, NORMAL_STOP) ? "normal|" : "", SHARED_ARRAY_FIELD_EX32(bus->regs, reg_intr_sts, ABNORMAL) ? @@ -58,11 +65,11 @@ static inline void aspeed_i2c_bus_raise_interrupt(AspeedI2CBus *bus) trace_aspeed_i2c_bus_raise_interrupt(bus->regs[reg_intr_sts], buf); } - raise_irq = bus->regs[reg_intr_sts] & bus->regs[intr_ctrl_reg]; + raise_irq = bus->regs[reg_intr_sts] & intr_ctrl_mask ; /* In packet mode we don't mask off INTR_STS */ if (!aspeed_i2c_bus_pkt_mode_en(bus)) { - bus->regs[reg_intr_sts] &= bus->regs[intr_ctrl_reg]; + bus->regs[reg_intr_sts] &= intr_ctrl_mask; } if (raise_irq) { |