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Skylake: Print GPIO MMIO base and pad config using gpio_debug token 

This will help development activity. Default GPIO print settings is
disable, need to set gpio_debug = 1 to get GPIO MMIO dump.

BUG=None
BRANCH=None
TEST=build coreboot and boot on Kunimitsu.

Change-Id: I70c0a7bee1593cbc8e9fe1599f45bb50e3fc0f42
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 19102612ea40184307ecb0ce8b165b5b989f6911
Original-Change-Id: I4ea6349866c108382de9787bb9ed09fc78d9c770
Original-Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/296280
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/11552
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Subrata Banik 2015-08-31 17:10:35 +05:30 committed by Patrick Georgi
parent a887492e1e
commit c1bc8171e6
1 changed files with 6 additions and 0 deletions
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6
src/soc/intel/skylake/gpio.c
View File

@ -25,6 +25,7 @@
#include <soc/iomap.h>
#include <soc/pm.h>
static const int gpio_debug = 0;
/* There are 4 communities with 8 GPIO groups (GPP_[A:G] and GPD) */
struct gpio_community {
@ -323,6 +324,11 @@ static void gpio_configure_pad(const struct pad_config *cfg)
if ((dw0 & PAD_FIELD(GPIROUTSMI, MASK)) == PAD_FIELD(GPIROUTSMI, YES))
gpi_enable_smi(cfg->pad);
if(gpio_debug)
printk(BIOS_DEBUG,
"Write Pad: Base(%p) - conf0 = %x conf1= %x pad # = %d\n",
&dw_regs[0], dw0, reg, cfg->pad);
}
void gpio_configure_pads(const struct pad_config *cfgs, size_t num)