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-rw-r--r--src/mainboard/google/nyan/Makefile.inc3
-rw-r--r--src/mainboard/google/nyan/pmic.c14
-rw-r--r--src/mainboard/google/nyan/reset.c29
-rw-r--r--src/mainboard/google/nyan/reset.h25
-rw-r--r--src/mainboard/google/nyan_big/Makefile.inc1
-rw-r--r--src/mainboard/google/nyan_big/pmic.c14
-rw-r--r--src/mainboard/google/nyan_big/reset.c29
-rw-r--r--src/mainboard/google/nyan_big/reset.h25
-rw-r--r--src/mainboard/google/nyan_blaze/Makefile.inc1
-rw-r--r--src/mainboard/google/nyan_blaze/pmic.c14
-rw-r--r--src/mainboard/google/nyan_blaze/reset.c29
-rw-r--r--src/mainboard/google/nyan_blaze/reset.h25
12 files changed, 199 insertions, 10 deletions
diff --git a/src/mainboard/google/nyan/Makefile.inc b/src/mainboard/google/nyan/Makefile.inc
index 825b33e9d7..30cd27d9fc 100644
--- a/src/mainboard/google/nyan/Makefile.inc
+++ b/src/mainboard/google/nyan/Makefile.inc
@@ -1,7 +1,7 @@
##
## This file is part of the coreboot project.
##
-## Copyright 2013 Google Inc.
+## Copyright 2014 Google Inc.
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
@@ -30,6 +30,7 @@ subdirs-y += bct
bootblock-y += boardid.c
bootblock-y += bootblock.c
bootblock-y += pmic.c
+bootblock-y += reset.c
romstage-y += romstage.c
romstage-y += sdram_configs.c
diff --git a/src/mainboard/google/nyan/pmic.c b/src/mainboard/google/nyan/pmic.c
index a6e881d10f..dc5f7447a6 100644
--- a/src/mainboard/google/nyan/pmic.c
+++ b/src/mainboard/google/nyan/pmic.c
@@ -18,6 +18,7 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include <console/console.h>
#include <delay.h>
#include <device/i2c.h>
#include <stdint.h>
@@ -25,6 +26,7 @@
#include "boardid.h"
#include "pmic.h"
+#include "reset.h"
enum {
AS3722_I2C_ADDR = 0x40
@@ -59,9 +61,15 @@ static struct as3722_init_reg init_list[] = {
static void pmic_write_reg(unsigned bus, uint8_t reg, uint8_t val, int do_delay)
{
- i2c_writeb(bus, AS3722_I2C_ADDR, reg, val);
- if (do_delay)
- udelay(500);
+ if (i2c_writeb(bus, AS3722_I2C_ADDR, reg, val)) {
+ printk(BIOS_ERR, "%s: reg = 0x%02X, value = 0x%02X failed!\n",
+ __func__, reg, val);
+ /* Reset the SoC on any PMIC write error */
+ cpu_reset();
+ } else {
+ if (do_delay)
+ udelay(500);
+ }
}
static void pmic_slam_defaults(unsigned bus)
diff --git a/src/mainboard/google/nyan/reset.c b/src/mainboard/google/nyan/reset.c
new file mode 100644
index 0000000000..7f1fff922a
--- /dev/null
+++ b/src/mainboard/google/nyan/reset.c
@@ -0,0 +1,29 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <arch/io.h>
+#include <soc/nvidia/tegra124/gpio.h>
+
+#include "reset.h"
+
+void cpu_reset(void)
+{
+ gpio_output(GPIO(I5), 0);
+ while(1);
+}
diff --git a/src/mainboard/google/nyan/reset.h b/src/mainboard/google/nyan/reset.h
new file mode 100644
index 0000000000..debe83818b
--- /dev/null
+++ b/src/mainboard/google/nyan/reset.h
@@ -0,0 +1,25 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef __MAINBOARD_GOOGLE_NYAN_BOOTBLOCK_H__
+#define __MAINBOARD_GOOGLE_NYAN_BOOTBLOCK_H__
+
+void cpu_reset(void);
+
+#endif /* __MAINBOARD_GOOGLE_NYAN_BOOTBLOCK_H__ */
diff --git a/src/mainboard/google/nyan_big/Makefile.inc b/src/mainboard/google/nyan_big/Makefile.inc
index 9cdff3b9b0..30cd27d9fc 100644
--- a/src/mainboard/google/nyan_big/Makefile.inc
+++ b/src/mainboard/google/nyan_big/Makefile.inc
@@ -30,6 +30,7 @@ subdirs-y += bct
bootblock-y += boardid.c
bootblock-y += bootblock.c
bootblock-y += pmic.c
+bootblock-y += reset.c
romstage-y += romstage.c
romstage-y += sdram_configs.c
diff --git a/src/mainboard/google/nyan_big/pmic.c b/src/mainboard/google/nyan_big/pmic.c
index 6bbff0da8b..4d52f7072c 100644
--- a/src/mainboard/google/nyan_big/pmic.c
+++ b/src/mainboard/google/nyan_big/pmic.c
@@ -18,6 +18,7 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include <console/console.h>
#include <delay.h>
#include <device/i2c.h>
#include <stdint.h>
@@ -25,6 +26,7 @@
#include "boardid.h"
#include "pmic.h"
+#include "reset.h"
enum {
AS3722_I2C_ADDR = 0x40
@@ -59,9 +61,15 @@ static struct as3722_init_reg init_list[] = {
static void pmic_write_reg(unsigned bus, uint8_t reg, uint8_t val, int do_delay)
{
- i2c_writeb(bus, AS3722_I2C_ADDR, reg, val);
- if (do_delay)
- udelay(500);
+ if (i2c_writeb(bus, AS3722_I2C_ADDR, reg, val)) {
+ printk(BIOS_ERR, "%s: reg = 0x%02X, value = 0x%02X failed!\n",
+ __func__, reg, val);
+ /* Reset the SoC on any PMIC write error */
+ cpu_reset();
+ } else {
+ if (do_delay)
+ udelay(500);
+ }
}
static void pmic_slam_defaults(unsigned bus)
diff --git a/src/mainboard/google/nyan_big/reset.c b/src/mainboard/google/nyan_big/reset.c
new file mode 100644
index 0000000000..7f1fff922a
--- /dev/null
+++ b/src/mainboard/google/nyan_big/reset.c
@@ -0,0 +1,29 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <arch/io.h>
+#include <soc/nvidia/tegra124/gpio.h>
+
+#include "reset.h"
+
+void cpu_reset(void)
+{
+ gpio_output(GPIO(I5), 0);
+ while(1);
+}
diff --git a/src/mainboard/google/nyan_big/reset.h b/src/mainboard/google/nyan_big/reset.h
new file mode 100644
index 0000000000..debe83818b
--- /dev/null
+++ b/src/mainboard/google/nyan_big/reset.h
@@ -0,0 +1,25 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef __MAINBOARD_GOOGLE_NYAN_BOOTBLOCK_H__
+#define __MAINBOARD_GOOGLE_NYAN_BOOTBLOCK_H__
+
+void cpu_reset(void);
+
+#endif /* __MAINBOARD_GOOGLE_NYAN_BOOTBLOCK_H__ */
diff --git a/src/mainboard/google/nyan_blaze/Makefile.inc b/src/mainboard/google/nyan_blaze/Makefile.inc
index 9cdff3b9b0..30cd27d9fc 100644
--- a/src/mainboard/google/nyan_blaze/Makefile.inc
+++ b/src/mainboard/google/nyan_blaze/Makefile.inc
@@ -30,6 +30,7 @@ subdirs-y += bct
bootblock-y += boardid.c
bootblock-y += bootblock.c
bootblock-y += pmic.c
+bootblock-y += reset.c
romstage-y += romstage.c
romstage-y += sdram_configs.c
diff --git a/src/mainboard/google/nyan_blaze/pmic.c b/src/mainboard/google/nyan_blaze/pmic.c
index 6bbff0da8b..4d52f7072c 100644
--- a/src/mainboard/google/nyan_blaze/pmic.c
+++ b/src/mainboard/google/nyan_blaze/pmic.c
@@ -18,6 +18,7 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include <console/console.h>
#include <delay.h>
#include <device/i2c.h>
#include <stdint.h>
@@ -25,6 +26,7 @@
#include "boardid.h"
#include "pmic.h"
+#include "reset.h"
enum {
AS3722_I2C_ADDR = 0x40
@@ -59,9 +61,15 @@ static struct as3722_init_reg init_list[] = {
static void pmic_write_reg(unsigned bus, uint8_t reg, uint8_t val, int do_delay)
{
- i2c_writeb(bus, AS3722_I2C_ADDR, reg, val);
- if (do_delay)
- udelay(500);
+ if (i2c_writeb(bus, AS3722_I2C_ADDR, reg, val)) {
+ printk(BIOS_ERR, "%s: reg = 0x%02X, value = 0x%02X failed!\n",
+ __func__, reg, val);
+ /* Reset the SoC on any PMIC write error */
+ cpu_reset();
+ } else {
+ if (do_delay)
+ udelay(500);
+ }
}
static void pmic_slam_defaults(unsigned bus)
diff --git a/src/mainboard/google/nyan_blaze/reset.c b/src/mainboard/google/nyan_blaze/reset.c
new file mode 100644
index 0000000000..7f1fff922a
--- /dev/null
+++ b/src/mainboard/google/nyan_blaze/reset.c
@@ -0,0 +1,29 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <arch/io.h>
+#include <soc/nvidia/tegra124/gpio.h>
+
+#include "reset.h"
+
+void cpu_reset(void)
+{
+ gpio_output(GPIO(I5), 0);
+ while(1);
+}
diff --git a/src/mainboard/google/nyan_blaze/reset.h b/src/mainboard/google/nyan_blaze/reset.h
new file mode 100644
index 0000000000..debe83818b
--- /dev/null
+++ b/src/mainboard/google/nyan_blaze/reset.h
@@ -0,0 +1,25 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2014 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef __MAINBOARD_GOOGLE_NYAN_BOOTBLOCK_H__
+#define __MAINBOARD_GOOGLE_NYAN_BOOTBLOCK_H__
+
+void cpu_reset(void);
+
+#endif /* __MAINBOARD_GOOGLE_NYAN_BOOTBLOCK_H__ */
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-07 23:53:51 +0000