Add support to extended EC series

Signed-off-by: Anton Kochkov <anton.kochkov@gmail.com>
Acked-by: Stefan Reinauer <stepan@coresystems.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5650 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Anton Kochkov
2010-06-29 21:13:20 +00:00
committed by Stefan Reinauer
parent 9a82eebe1a
commit 7e59f769ef
3 changed files with 52 additions and 19 deletions

View File

@@ -38,7 +38,7 @@ int send_ec_command(uint8_t command)
debug(".");
}
if (!timeout) {
printf("Timeout while sending command 0x%02x to EC!\n",
debug("Timeout while sending command 0x%02x to EC!\n",
command);
// return -1;
}
@@ -57,8 +57,8 @@ int send_ec_data(uint8_t data)
if ((timeout & 0xff) == 0)
debug(".");
}
if (!timeout) {
printf("Timeout while sending data 0x%02x to EC!\n", data);
if (timeout) {
debug("Timeout while sending data 0x%02x to EC!\n", data);
// return -1;
}
@@ -89,7 +89,7 @@ uint8_t recv_ec_data(void)
debug(".");
}
if (!timeout) {
printf("\nTimeout while receiving data from EC!\n");
debug("\nTimeout while receiving data from EC!\n");
// return -1;
}
@@ -101,15 +101,37 @@ uint8_t recv_ec_data(void)
uint8_t ec_read(uint8_t addr)
{
send_ec_command(0x80);
send_ec_command(RD_EC);
send_ec_data(addr);
return recv_ec_data();
}
uint8_t ec_ext_read(uint16_t addr)
{
send_ec_command(WR_EC);
send_ec_data(0x02);
send_ec_data(addr & 0xff);
send_ec_command(RX_EC);
send_ec_data(addr >> 8);
return recv_ec_data();
}
int ec_ext_write(uint16_t addr, uint8_t data)
{
send_ec_command(WR_EC);
send_ec_data(0x02);
send_ec_data(addr & 0xff);
send_ec_command(WX_EC);
send_ec_data(addr >> 8);
return send_ec_data(data);
}
int ec_write(uint8_t addr, uint8_t data)
{
send_ec_command(0x81);
send_ec_command(WR_EC);
send_ec_data(addr);
return send_ec_data(data);