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authorGuenter Roeck <linux@roeck-us.net>2012-06-29 12:23:50 -0700
committerPatrick Georgi <patrick@georgi-clan.de>2012-07-12 08:13:13 +0200
commita89da0969efe52ca4474867966152cbe6c92ca21 (patch)
tree338972c60b72d06e4ee1044d43af2c3dec74631c
parent975ffc2e0f5e796384bebf6fce19b47dc2077f6a (diff)
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>
-rw-r--r--util/superiotool/superiotool.c29
-rw-r--r--util/superiotool/superiotool.h1
2 files changed, 30 insertions, 0 deletions
diff --git a/util/superiotool/superiotool.c b/util/superiotool/superiotool.c
index 293aaa617d..538aa09074 100644
--- a/util/superiotool/superiotool.c
+++ b/util/superiotool/superiotool.c
@@ -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)
diff --git a/util/superiotool/superiotool.h b/util/superiotool/superiotool.h
index 94918b8867..7a0b7f69c5 100644
--- a/util/superiotool/superiotool.h
+++ b/util/superiotool/superiotool.h
@@ -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[]);