diff options
| author | Sven Schnelle <svens@stackframe.org> | 2011-03-14 08:18:27 +0000 |
|---|---|---|
| committer | Sven Schnelle <svens@stackframe.org> | 2011-03-14 08:18:27 +0000 |
| commit | 0238a9caa3c6bc4cbc084b350f5cc016dc24178d (patch) | |
| tree | b2e24b9ae1a91e75eecd4b0b9fc382d517ca05e7 /src/ec/acpi | |
| parent | 8d94d7c4a7305712478071250bda88eba9ad30d8 (diff) | |
ec/acpi: make ACPI register pair configurable
Signed-off-by: Sven Schnelle <svens@stackframe.org>
Acked-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6442 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/ec/acpi')
| -rw-r--r-- | src/ec/acpi/ec.c | 23 | ||||
| -rw-r--r-- | src/ec/acpi/ec.h | 1 |
2 files changed, 17 insertions, 7 deletions
diff --git a/src/ec/acpi/ec.c b/src/ec/acpi/ec.c index e353260c30..1d4ffb8258 100644 --- a/src/ec/acpi/ec.c +++ b/src/ec/acpi/ec.c @@ -25,12 +25,15 @@ #include <delay.h> #include "ec.h" +static int ec_cmd_reg = EC_SC; +static int ec_data_reg = EC_DATA; + int send_ec_command(u8 command) { int timeout; timeout = 0x7ff; - while ((inb(EC_SC) & EC_IBF) && --timeout) { + while ((inb(ec_cmd_reg) & EC_IBF) && --timeout) { udelay(10); if ((timeout & 0xff) == 0) printk(BIOS_SPEW, "."); @@ -41,7 +44,7 @@ int send_ec_command(u8 command) // return -1; } - outb(command, EC_SC); + outb(command, ec_cmd_reg); return 0; } @@ -50,7 +53,7 @@ int send_ec_data(u8 data) int timeout; timeout = 0x7ff; - while ((inb(EC_SC) & EC_IBF) && --timeout) { // wait for IBF = 0 + while ((inb(ec_cmd_reg) & EC_IBF) && --timeout) { // wait for IBF = 0 udelay(10); if ((timeout & 0xff) == 0) printk(BIOS_SPEW, "."); @@ -61,14 +64,14 @@ int send_ec_data(u8 data) // return -1; } - outb(data, EC_DATA); + outb(data, ec_data_reg); return 0; } int send_ec_data_nowait(u8 data) { - outb(data, EC_DATA); + outb(data, ec_data_reg); return 0; } @@ -80,7 +83,7 @@ u8 recv_ec_data(void) timeout = 0x7fff; while (--timeout) { // Wait for OBF = 1 - if (inb(EC_SC) & EC_OBF) { + if (inb(ec_cmd_reg) & EC_OBF) { break; } udelay(10); @@ -92,7 +95,7 @@ u8 recv_ec_data(void) // return -1; } - data = inb(EC_DATA); + data = inb(ec_data_reg); printk(BIOS_DEBUG, "recv_ec_data: 0x%02x\n", data); return data; @@ -123,6 +126,12 @@ void ec_clr_bit(u8 addr, u8 bit) ec_write(addr, ec_read(addr) & ~(1 << bit)); } +void ec_set_ports(u16 cmd_reg, u16 data_reg) +{ + ec_cmd_reg = cmd_reg; + ec_data_reg = data_reg; +} + struct chip_operations ec_acpi_ops = { CHIP_NAME("ACPI Embedded Controller") }; diff --git a/src/ec/acpi/ec.h b/src/ec/acpi/ec.h index cabbfeaacd..b5a1197e76 100644 --- a/src/ec/acpi/ec.h +++ b/src/ec/acpi/ec.h @@ -46,6 +46,7 @@ u8 ec_read(u8 addr); int ec_write(u8 addr, u8 data); void ec_set_bit(u8 addr, u8 bit); void ec_clr_bit(u8 addr, u8 bit); +void ec_set_ports(u16 cmd_reg, u16 data_reg); #endif |