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superiotool: Add support for function to dump superio chip data registers 

Add new function dump_data() to dump a bank of superio data registers.

Change-Id: I13a58d87c14d319cfcdea1ec1d54c2b110d90f9f
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-on: http://review.coreboot.org/1149
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
This commit is contained in:
Guenter Roeck 2012-06-29 12:23:50 -07:00 committed by Patrick Georgi
parent 975ffc2e0f
commit a89da0969e
2 changed files with 30 additions and 0 deletions
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29
util/superiotool/superiotool.c
View File

@ -34,6 +34,18 @@ int dump = 0, verbose = 0, extra_dump = 0;
/* Global flag which indicates whether a chip was detected at all. */
int chip_found = 0;
static void set_bank(uint16_t port, uint8_t bank)
{
OUTB(0x4E, port);
OUTB(bank, port + 1);
}
static uint8_t datareg(uint16_t port, uint8_t reg)
{
OUTB(reg, port);
return INB(port + 1);
}
uint8_t regval(uint16_t port, uint8_t reg)
{
OUTB(reg, port);
@ -186,6 +198,23 @@ void dump_io(uint16_t iobase, uint16_t length)
printf("\n");
}
void dump_data(uint16_t iobase, int bank)
{
uint16_t i;
printf("Bank %d:\n", bank);
printf(" ");
for (i = 0; i < 16; i++)
printf("%02x ", i);
set_bank(iobase, bank);
for (i = 0; i < 256; i++) {
if (i % 16 == 0)
printf("\n%02x: ", i / 16);
printf("%02x ", datareg(iobase, i));
}
printf("\n");
}
void probing_for(const char *vendor, const char *info, uint16_t port)
{
if (!verbose)

1
util/superiotool/superiotool.h
View File

@ -174,6 +174,7 @@ const char *get_superio_name(const struct superio_registers reg_table[],
void dump_superio(const char *name, const struct superio_registers reg_table[],
uint16_t port, uint16_t id, uint8_t ldn_sel);
void dump_io(uint16_t iobase, uint16_t length);
void dump_data(uint16_t iobase, int bank);
void probing_for(const char *vendor, const char *info, uint16_t port);
void print_vendor_chips(const char *vendor,
const struct superio_registers reg_table[]);