diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/intel/kblrvp/gpio.h | 11 | ||||
| -rw-r--r-- | src/mainboard/intel/kblrvp/ramstage.c | 45 |
2 files changed, 53 insertions, 3 deletions
diff --git a/src/mainboard/intel/kblrvp/gpio.h b/src/mainboard/intel/kblrvp/gpio.h index 5e251d846c..01897a1a01 100644 --- a/src/mainboard/intel/kblrvp/gpio.h +++ b/src/mainboard/intel/kblrvp/gpio.h @@ -20,6 +20,17 @@ #include <soc/gpe.h> #include <soc/gpio.h> +/* TCA6424A I/O Expander */ +#define IO_EXPANDER_BUS 4 +#define IO_EXPANDER_0_ADDR 0x22 +#define IO_EXPANDER_P0CONF 0x0C /* Port 0 conf offset */ +#define IO_EXPANDER_P0DOUT 0x04 /* Port 0 data offset */ +#define IO_EXPANDER_P1CONF 0x0D +#define IO_EXPANDER_P1DOUT 0x05 +#define IO_EXPANDER_P2CONF 0x0E +#define IO_EXPANDER_P2DOUT 0x06 +#define IO_EXPANDER_1_ADDR 0x23 + /* EC wake is LAN_WAKE# which is a special DeepSX wake pin */ #define GPE_EC_WAKE GPE0_LAN_WAK diff --git a/src/mainboard/intel/kblrvp/ramstage.c b/src/mainboard/intel/kblrvp/ramstage.c index 6a509b7b6d..d33c967939 100644 --- a/src/mainboard/intel/kblrvp/ramstage.c +++ b/src/mainboard/intel/kblrvp/ramstage.c @@ -13,20 +13,23 @@ * GNU General Public License for more details. */ +#include <bootstate.h> +#include <console/console.h> +#include <device/i2c.h> #include <soc/ramstage.h> #include "gpio.h" void mainboard_silicon_init_params(FSP_SIL_UPD *params) { - u8 i; + size_t i; /* Configure pads prior to SiliconInit() in case there's any * dependencies during hardware initialization. */ gpio_configure_pads(gpio_table, ARRAY_SIZE(gpio_table)); params->CdClock = 3; /* Set proper OC for various USB ports*/ - u8 usb2_oc[] = { 0x0, 0x2, 0x8, 0x8, 0x2, 0x8, 0x8, 0x8, 0x1, 0x8}; - u8 usb3_oc[] = { 0x0, 0x8, 0x8, 0x1, 0x8, 0x8 }; + u8 usb2_oc[] = {0x0, 0x2, 0x8, 0x8, 0x2, 0x8, 0x8, 0x8, 0x1, 0x8}; + u8 usb3_oc[] = {0x0, 0x8, 0x8, 0x1, 0x8, 0x8}; for (i = 0; i < ARRAY_SIZE(usb2_oc); i++) params->Usb2OverCurrentPin[i] = usb2_oc[i]; @@ -34,3 +37,39 @@ void mainboard_silicon_init_params(FSP_SIL_UPD *params) for (i = 0; i < ARRAY_SIZE(usb3_oc); i++) params->Usb3OverCurrentPin[i] = usb3_oc[i]; } + +static void ioexpander_init(void *unused) +{ + printk(BIOS_DEBUG, "Programming TCA6424A I/O expander\n"); + + /* I/O Expander 1, Port 0 Data */ + i2c_writeb(IO_EXPANDER_BUS, IO_EXPANDER_0_ADDR, IO_EXPANDER_P0DOUT, + 0xF7); + /* Port 0 Configuration */ + i2c_writeb(IO_EXPANDER_BUS, IO_EXPANDER_0_ADDR, IO_EXPANDER_P0CONF, + 0xE0); + + /* Port 1 Data */ + i2c_writeb(IO_EXPANDER_BUS, IO_EXPANDER_0_ADDR, IO_EXPANDER_P1DOUT, + 0x9E); + /* Port 1 Configuration */ + i2c_writeb(IO_EXPANDER_BUS, IO_EXPANDER_0_ADDR, IO_EXPANDER_P1CONF, + 0x8C); + + /* Port 2 Data */ + i2c_writeb(IO_EXPANDER_BUS, IO_EXPANDER_0_ADDR, IO_EXPANDER_P2DOUT, + 0xDA); + /* Port 2 Configuration */ + i2c_writeb(IO_EXPANDER_BUS, IO_EXPANDER_0_ADDR, IO_EXPANDER_P2CONF, + 0x08); + + /* I/O Expander 2, Port 0 Data */ + i2c_writeb(IO_EXPANDER_BUS, IO_EXPANDER_1_ADDR, IO_EXPANDER_P0DOUT, + 0xFF); + /* Port 0 Configuration */ + i2c_writeb(IO_EXPANDER_BUS, IO_EXPANDER_1_ADDR, IO_EXPANDER_P0CONF, + 0x00); + +} + +BOOT_STATE_INIT_ENTRY(BS_POST_DEVICE, BS_ON_EXIT, ioexpander_init, NULL); |