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authorPatrick Georgi <patrick@georgi-clan.de>2012-12-19 16:32:47 +0100
committerStefan Reinauer <stefan.reinauer@coreboot.org>2013-01-03 19:33:01 +0100
commit72a2eaf4d5364d5c5b7632b75d62c84f7bf490c8 (patch)
treef63ecf0523f5d8f225ce0db00e65fa52e1fade9c /src/mainboard/samsung/stumpy/smihandler.c
parent64b364d1ec85f97fe948ba41cf8e7a3f43503829 (diff)
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Rename mainboard_smi.c to smihandler.c
This mirrors the naming convention of handlers in northbridge and southbridge. Change-Id: I45d97c569991c955f0ae54ce909d8c267e9a5173 Signed-off-by: Patrick Georgi <patrick@georgi-clan.de> Reviewed-on: http://review.coreboot.org/2058 Tested-by: build bot (Jenkins) Reviewed-by: Marc Jones <marcj303@gmail.com> Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/mainboard/samsung/stumpy/smihandler.c')
-rw-r--r--src/mainboard/samsung/stumpy/smihandler.c113
1 files changed, 113 insertions, 0 deletions
diff --git a/src/mainboard/samsung/stumpy/smihandler.c b/src/mainboard/samsung/stumpy/smihandler.c
new file mode 100644
index 000000000..660bb31cd
--- /dev/null
+++ b/src/mainboard/samsung/stumpy/smihandler.c
@@ -0,0 +1,113 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ *
+ * 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 <arch/romcc_io.h>
+#include <console/console.h>
+#include <cpu/x86/smm.h>
+#include <southbridge/intel/bd82x6x/nvs.h>
+#include <southbridge/intel/bd82x6x/pch.h>
+#include <southbridge/intel/bd82x6x/me.h>
+#include <northbridge/intel/sandybridge/sandybridge.h>
+#include <cpu/intel/model_206ax/model_206ax.h>
+
+/* Include romstage serial for SIO helper functions */
+#include <superio/ite/it8772f/early_serial.c>
+
+int mainboard_io_trap_handler(int smif)
+{
+ switch (smif) {
+ case 0x99:
+ printk(BIOS_DEBUG, "Sample\n");
+ smm_get_gnvs()->smif = 0;
+ break;
+ default:
+ return 0;
+ }
+
+ /* On success, the IO Trap Handler returns 0
+ * On failure, the IO Trap Handler returns a value != 0
+ *
+ * For now, we force the return value to 0 and log all traps to
+ * see what's going on.
+ */
+ //gnvs->smif = 0;
+ return 1;
+}
+
+/*
+ * Change LED_POWER# (SIO GPIO 45) state based on sleep type.
+ * The IO address is hardcoded as we don't have device path in SMM.
+ */
+#define SIO_GPIO_BASE_SET4 (0x730 + 3)
+#define SIO_GPIO_BLINK_GPIO45 0x25
+void mainboard_smi_sleep(u8 slp_typ)
+{
+ u8 reg8;
+
+ switch (slp_typ) {
+ case SLP_TYP_S3:
+ case SLP_TYP_S4:
+ /* Blink LED */
+ it8772f_enter_conf();
+ it8772f_sio_write(IT8772F_CONFIG_REG_LDN, IT8772F_GPIO);
+ /* Enable blink pin map */
+ it8772f_sio_write(IT8772F_GPIO_LED_BLINK1_PINMAP,
+ SIO_GPIO_BLINK_GPIO45);
+ /* Enable 4HZ blink */
+ it8772f_sio_write(IT8772F_GPIO_LED_BLINK1_CONTROL, 0x02);
+ /* Set GPIO to alternate function */
+ reg8 = it8772f_sio_read(GPIO_REG_ENABLE(3));
+ reg8 &= ~(1 << 5);
+ it8772f_sio_write(GPIO_REG_ENABLE(3), reg8);
+ it8772f_exit_conf();
+ break;
+
+ case SLP_TYP_S5:
+ /* Turn off LED */
+ reg8 = inb(SIO_GPIO_BASE_SET4);
+ reg8 |= (1 << 5);
+ outb(reg8, SIO_GPIO_BASE_SET4);
+ break;
+ }
+}
+
+#define APMC_FINALIZE 0xcb
+
+static int mainboard_finalized = 0;
+
+int mainboard_smi_apmc(u8 apmc)
+{
+ switch (apmc) {
+ case APMC_FINALIZE:
+ if (mainboard_finalized) {
+ printk(BIOS_DEBUG, "SMI#: Already finalized\n");
+ return 0;
+ }
+
+ intel_me_finalize_smm();
+ intel_pch_finalize_smm();
+ intel_sandybridge_finalize_smm();
+ intel_model_206ax_finalize_smm();
+
+ mainboard_finalized = 1;
+ break;
+ }
+ return 0;
+}