diff options
| author | Stefan Reinauer <stepan@coresystems.de> | 2010-04-11 20:02:47 +0000 |
|---|---|---|
| committer | Stefan Reinauer <stepan@openbios.org> | 2010-04-11 20:02:47 +0000 |
| commit | 4cc5af95b510141214fb454ffbf7796d4e086813 (patch) | |
| tree | ae533f20ff92c49d69c45d561d64dfa51575756a /src | |
| parent | accb50a4e3db15629dd3bc24e602e3af47a974db (diff) | |
| download | coreboot-4cc5af95b510141214fb454ffbf7796d4e086813.tar.xz | |
do better error reporting in i82801dx early smbus functions.
Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5407 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src')
| -rw-r--r-- | src/southbridge/intel/i82801dx/i82801dx_early_smbus.c | 21 |
1 files changed, 8 insertions, 13 deletions
diff --git a/src/southbridge/intel/i82801dx/i82801dx_early_smbus.c b/src/southbridge/intel/i82801dx/i82801dx_early_smbus.c index d9e2af6b15..16c6e11e72 100644 --- a/src/southbridge/intel/i82801dx/i82801dx_early_smbus.c +++ b/src/southbridge/intel/i82801dx/i82801dx_early_smbus.c @@ -18,8 +18,7 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ -//#define SMBUS_IO_BASE 0x1000 -//#define SMBUS_IO_BASE 0x0f00 +#include "i82801dx.h" #define SMBHSTSTAT 0x0 #define SMBHSTCTL 0x2 @@ -42,7 +41,7 @@ static void enable_smbus(void) { device_t dev = PCI_DEV(0x0, 0x1f, 0x3); - print_debug("SMBus controller enabled\n"); + printk(BIOS_DEBUG, "SMBus controller enabled\n"); /* set smbus iobase */ pci_write_config32(dev, 0x20, SMBUS_IO_BASE | 1); /* Set smbus enable */ @@ -118,9 +117,9 @@ static int smbus_read_byte(unsigned device, unsigned address) unsigned char global_status_register; unsigned char byte; - /*print_err("smbus_read_byte\n"); */ + /* printk(BIOS_ERR, "smbus_read_byte\n"); */ if (smbus_wait_until_ready() < 0) { - print_err_hex8(-2); + printk(BIOS_ERR, "SMBUS not ready (%02x)\n", -2); return -2; } @@ -146,13 +145,13 @@ static int smbus_read_byte(unsigned device, unsigned address) SMBUS_IO_BASE + SMBHSTCTL); /* poll for it to start */ if (smbus_wait_until_active() < 0) { - print_err_hex8(-4); + printk(BIOS_ERR, "SMBUS not active (%02x)\n", -4); return -4; } /* poll for transaction completion */ if (smbus_wait_until_done() < 0) { - print_err_hex8(-3); + printk(BIOS_ERR, "SMBUS not completed (%02x)\n", -3); return -3; } @@ -162,14 +161,10 @@ static int smbus_read_byte(unsigned device, unsigned address) byte = inb(SMBUS_IO_BASE + SMBHSTDAT0); if (global_status_register != 2) { - print_err_hex8(-1); + //printk(BIOS_SPEW, "%s: no device (%02x, %02x)\n", __func__, device, address); return -1; } -/* - print_err("smbus_read_byte: "); - print_err_hex32(device); print_err(" ad "); print_err_hex32(address); - print_err("value "); print_err_hex8(byte); print_err("\n"); - */ + //printk(BIOS_DEBUG, "%s: %02x@%02x = %02x\n", __func__, device, address, byte); return byte; } |