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authorSubrata Banik <subrata.banik@intel.com>2015-08-31 17:10:35 +0530
committerPatrick Georgi <pgeorgi@google.com>2015-09-10 09:43:37 +0000
commitc1bc8171e65bb9100c4e9cb0efe8e5aa9771d4d3 (patch)
tree58b911c583f924d96554d09362109d8e1e1af754
parenta887492e1e51849b75c7bb0d67430be4b1074493 (diff)
downloadcoreboot-c1bc8171e65bb9100c4e9cb0efe8e5aa9771d4d3.tar.xz
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>
-rw-r--r--src/soc/intel/skylake/gpio.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/soc/intel/skylake/gpio.c b/src/soc/intel/skylake/gpio.c
index 3610a6cf16..64b3dda334 100644
--- a/src/soc/intel/skylake/gpio.c
+++ b/src/soc/intel/skylake/gpio.c
@@ -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)