diff options
Diffstat (limited to 'chip/mec1322/lpc.c')
| -rw-r--r-- | chip/mec1322/lpc.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/chip/mec1322/lpc.c b/chip/mec1322/lpc.c index 7974940e34..2e76b6c39e 100644 --- a/chip/mec1322/lpc.c +++ b/chip/mec1322/lpc.c @@ -12,6 +12,7 @@ #include "host_command.h" #include "keyboard_protocol.h" #include "lpc.h" +#include "port80.h" #include "registers.h" #include "task.h" #include "timer.h" @@ -186,16 +187,16 @@ static void setup_lpc(void) /* TODO(crosbug.com/p/24107): Route KIRQ to SER_IRQ1 */ - /* Set up EMI module for memory mapped region. - * TODO(crosbug.com/p/24107): Use LPC memory transaction for this - * when we have updated info of memory BAR - * register. - */ - MEC1322_LPC_EMI_BAR = 0x0800800f; + /* Set up EMI module for memory mapped region and port 80 */ + MEC1322_LPC_EMI_BAR = 0x0080800f; MEC1322_EMI_MBA0 = ptr; MEC1322_EMI_MRL0 = 0x200; MEC1322_EMI_MWL0 = 0x100; + MEC1322_INT_ENABLE(15) |= 1 << 2; + MEC1322_INT_BLK_EN |= 1 << 15; + task_enable_irq(MEC1322_IRQ_EMI); + /* We support LPC args and version 3 protocol */ *(lpc_get_memmap_range() + EC_MEMMAP_HOST_CMD_FLAGS) = EC_HOST_CMD_FLAG_LPC_ARGS_SUPPORTED | @@ -224,6 +225,12 @@ static void lpc_init(void) */ DECLARE_HOOK(HOOK_INIT, lpc_init, HOOK_PRIO_INIT_LPC); +static void emi_interrupt(void) +{ + port_80_write(MEC1322_EMI_H2E_MBX); +} +DECLARE_IRQ(MEC1322_IRQ_EMI, emi_interrupt, 1); + static void acpi_0_interrupt(void) { uint8_t value, result, is_cmd; |