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authorWim Vervoorn <wvervoorn@eltan.com>2019-10-17 13:20:42 +0200
committerPatrick Georgi <pgeorgi@google.com>2019-10-18 12:27:12 +0000
commit467802b6285b2b9a76f755dffeef61194ee35373 (patch)
treedfbaa46da2dadd63d625ebdd2d0fe0dfe55be438 /src/mainboard/facebook
parentbac6946956ac2b801b9895f7443dca055a639d64 (diff)
downloadcoreboot-467802b6285b2b9a76f755dffeef61194ee35373.tar.xz
mb/facebook/fbg1701: separate cpld support
Move all code involving the cpld to a single file. Rename mainboard_read_pcb_version() to cpld_read_pcb_version(). BUG=N/A TEST=tested on fbg1701 board Change-Id: I9ee9a2c605e8b63baa7d64af92f45aa07e0d9d9e Signed-off-by: Wim Vervoorn <wvervoorn@eltan.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/36095 Reviewed-by: Frans Hendriks <fhendriks@eltan.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/facebook')
-rw-r--r--src/mainboard/facebook/fbg1701/Makefile.inc3
-rw-r--r--src/mainboard/facebook/fbg1701/cpld.c39
-rw-r--r--src/mainboard/facebook/fbg1701/cpld.h22
-rw-r--r--src/mainboard/facebook/fbg1701/mainboard.c10
-rw-r--r--src/mainboard/facebook/fbg1701/mainboard.h3
-rw-r--r--src/mainboard/facebook/fbg1701/onboard.h9
-rw-r--r--src/mainboard/facebook/fbg1701/ramstage.c11
7 files changed, 72 insertions, 25 deletions
diff --git a/src/mainboard/facebook/fbg1701/Makefile.inc b/src/mainboard/facebook/fbg1701/Makefile.inc
index c41447004a..734129187b 100644
--- a/src/mainboard/facebook/fbg1701/Makefile.inc
+++ b/src/mainboard/facebook/fbg1701/Makefile.inc
@@ -24,6 +24,7 @@ endif
bootblock-$(CONFIG_C_ENVIRONMENT_BOOTBLOCK) += com_init.c
+ramstage-y += cpld.c
ramstage-y += gpio.c
ramstage-y += hda_verb.c
ramstage-y += irqroute.c
@@ -31,6 +32,8 @@ ramstage-$(CONFIG_FSP1_1_DISPLAY_LOGO) += logo.c
ramstage-y += ramstage.c
ramstage-y += w25q64.c
+romstage-y += cpld.c
+
cbfs-files-$(CONFIG_FSP1_1_DISPLAY_LOGO) += logo.bmp
logo.bmp-file := $(call strip_quotes,$(CONFIG_FSP1_1_LOGO_FILE_NAME))
logo.bmp-type := raw
diff --git a/src/mainboard/facebook/fbg1701/cpld.c b/src/mainboard/facebook/fbg1701/cpld.c
new file mode 100644
index 0000000000..7d1117f6ad
--- /dev/null
+++ b/src/mainboard/facebook/fbg1701/cpld.c
@@ -0,0 +1,39 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019 Eltan B.V.
+ *
+ * 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.
+ */
+
+#include <arch/io.h>
+#include "cpld.h"
+
+/* CPLD definitions */
+#define CPLD_PCB_VERSION_PORT 0x283
+#define CPLD_PCB_VERSION_MASK 0xF0
+#define CPLD_PCB_VERSION_BIT 4
+
+#define CPLD_RESET_PORT 0x287
+#define CPLD_CMD_RESET_DSI_BRIDGE_ACTIVE 0x20
+#define CPLD_CMD_RESET_DSI_BRIDGE_INACTIVE 0x00
+
+/* Reset DSI bridge */
+void cpld_reset_bridge(void)
+{
+ outb(CPLD_CMD_RESET_DSI_BRIDGE_ACTIVE, CPLD_RESET_PORT);
+ outb(CPLD_CMD_RESET_DSI_BRIDGE_INACTIVE, CPLD_RESET_PORT);
+}
+
+/* Read PCB version */
+unsigned int cpld_read_pcb_version(void)
+{
+ return ((inb(CPLD_PCB_VERSION_PORT) & CPLD_PCB_VERSION_MASK) >> CPLD_PCB_VERSION_BIT);
+}
diff --git a/src/mainboard/facebook/fbg1701/cpld.h b/src/mainboard/facebook/fbg1701/cpld.h
new file mode 100644
index 0000000000..9604cfbc51
--- /dev/null
+++ b/src/mainboard/facebook/fbg1701/cpld.h
@@ -0,0 +1,22 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019 Eltan B.V.
+ *
+ * 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.
+ */
+
+#ifndef CPLD_H
+#define CPLD_H
+
+unsigned int cpld_read_pcb_version(void);
+void cpld_reset_bridge(void);
+
+#endif
diff --git a/src/mainboard/facebook/fbg1701/mainboard.c b/src/mainboard/facebook/fbg1701/mainboard.c
index a8cb34c744..8524b24000 100644
--- a/src/mainboard/facebook/fbg1701/mainboard.c
+++ b/src/mainboard/facebook/fbg1701/mainboard.c
@@ -16,10 +16,7 @@
* GNU General Public License for more details.
*/
-#include <arch/io.h>
#include <device/device.h>
-#include "mainboard.h"
-#include "onboard.h"
/*
* Declare the resources we are using
@@ -39,13 +36,6 @@ static void mainboard_reserve_resources(struct device *dev)
res->flags = IORESOURCE_IRQ | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
}
-/* Read PCB version */
-unsigned int mainboard_read_pcb_version(void)
-{
- return ((inb(CPLD_PCB_VERSION_PORT) & CPLD_PCB_VERSION_MASK) >>
- CPLD_PCB_VERSION_BIT);
-}
-
/*
* mainboard_enable is executed as first thing after
* enumerate_buses().
diff --git a/src/mainboard/facebook/fbg1701/mainboard.h b/src/mainboard/facebook/fbg1701/mainboard.h
index 3cace548b3..82f1b9939c 100644
--- a/src/mainboard/facebook/fbg1701/mainboard.h
+++ b/src/mainboard/facebook/fbg1701/mainboard.h
@@ -1,7 +1,7 @@
/*
* This file is part of the coreboot project.
*
- * Copyright (C) 2018 Eltan B.V.
+ * Copyright (C) 2018-2019 Eltan B.V.
*
* 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
@@ -16,7 +16,6 @@
#ifndef MAINBOARD_H
#define MAINBOARD_H
-unsigned int mainboard_read_pcb_version(void);
void *load_logo(size_t *logo_size);
#endif
diff --git a/src/mainboard/facebook/fbg1701/onboard.h b/src/mainboard/facebook/fbg1701/onboard.h
index 2c78d15961..cb784daf69 100644
--- a/src/mainboard/facebook/fbg1701/onboard.h
+++ b/src/mainboard/facebook/fbg1701/onboard.h
@@ -21,15 +21,6 @@
/* SD CARD gpio */
#define SDCARD_CD 81 /* Not used */
-
-/* CPLD definitions */
-#define CPLD_PCB_VERSION_PORT 0x283
-#define CPLD_PCB_VERSION_MASK 0xF0
-#define CPLD_PCB_VERSION_BIT 4
-
-#define CPLD_RESET_PORT 0x287
-#define CPLD_CMD_RESET_DSI_BRIDGE_ACTIVE 0x20
-#define CPLD_CMD_RESET_DSI_BRIDGE_INACTIVE 0x00
#define ITE8528_CMD_PORT 0x6E
#define ITE8528_DATA_PORT 0x6F
diff --git a/src/mainboard/facebook/fbg1701/ramstage.c b/src/mainboard/facebook/fbg1701/ramstage.c
index 980a6ccdb7..e2b4ac3145 100644
--- a/src/mainboard/facebook/fbg1701/ramstage.c
+++ b/src/mainboard/facebook/fbg1701/ramstage.c
@@ -19,7 +19,7 @@
#include <soc/ramstage.h>
#include <soc/smbus.h>
#include "mainboard.h"
-#include "onboard.h"
+#include "cpld.h"
struct edp_data {
u8 payload_length;
@@ -326,16 +326,19 @@ static void mainboard_configure_edp_bridge(void)
{
const struct edp_data *edptable;
unsigned int loops;
+ unsigned int pcb_version;
int status;
- if (mainboard_read_pcb_version() < 7)
+ pcb_version = cpld_read_pcb_version();
+ printk(BIOS_DEBUG, "PCB version: %x\n", pcb_version);
+
+ if (pcb_version < 7)
edptable = b101uan01_table;
else
edptable = b101uan08_table;
/* reset bridge */
- outb(CPLD_CMD_RESET_DSI_BRIDGE_ACTIVE, CPLD_RESET_PORT);
- outb(CPLD_CMD_RESET_DSI_BRIDGE_INACTIVE, CPLD_RESET_PORT);
+ cpld_reset_bridge();
while (edptable->payload_length) {
loops = 5;