Patrick Georgi submitted this change.
sc7180: Add AOP firmware support
Developer/Reviewer, be aware of this patch from Napali:
https://review.coreboot.org/c/coreboot/+/25210/85
Change-Id: I1cd552fbf03b5135e5911f1143f8778cad81e360
Signed-off-by: Ashwin Kumar <ashk@codeaurora.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35502
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
---
M src/soc/qualcomm/sc7180/Makefile.inc
A src/soc/qualcomm/sc7180/aop_load_reset.c
A src/soc/qualcomm/sc7180/include/soc/aop.h
M src/soc/qualcomm/sc7180/include/soc/memlayout.ld
M src/soc/qualcomm/sc7180/include/soc/symbols.h
M src/soc/qualcomm/sc7180/mmu.c
M src/soc/qualcomm/sc7180/soc.c
7 files changed, 85 insertions(+), 2 deletions(-)
diff --git a/src/soc/qualcomm/sc7180/Makefile.inc b/src/soc/qualcomm/sc7180/Makefile.inc
index e1d0492..8a76a03 100644
--- a/src/soc/qualcomm/sc7180/Makefile.inc
+++ b/src/soc/qualcomm/sc7180/Makefile.inc
@@ -40,6 +40,7 @@
ramstage-$(CONFIG_DRIVERS_UART) += uart_bitbang.c
ramstage-y += clock.c
ramstage-$(CONFIG_SC7180_QSPI) += qspi.c
+ramstage-y += aop_load_reset.c
################################################################################
diff --git a/src/soc/qualcomm/sc7180/aop_load_reset.c b/src/soc/qualcomm/sc7180/aop_load_reset.c
new file mode 100644
index 0000000..8d22d62
--- /dev/null
+++ b/src/soc/qualcomm/sc7180/aop_load_reset.c
@@ -0,0 +1,43 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * 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 <string.h>
+#include <arch/cache.h>
+#include <cbfs.h>
+#include <halt.h>
+#include <console/console.h>
+#include <timestamp.h>
+#include <soc/mmu.h>
+#include <soc/aop.h>
+#include <soc/clock.h>
+
+void aop_fw_load_reset(void)
+{
+ bool aop_fw_entry;
+
+ struct prog aop_fw_prog =
+ PROG_INIT(PROG_PAYLOAD, CONFIG_CBFS_PREFIX "/aop");
+
+ if (prog_locate(&aop_fw_prog))
+ die("SOC image: AOP_FW not found");
+
+ aop_fw_entry = selfload(&aop_fw_prog);
+ if (!aop_fw_entry)
+ die("SOC image: AOP load failed");
+
+ clock_reset_aop();
+
+ printk(BIOS_DEBUG, "\nSOC:AOP brought out of reset.\n");
+}
diff --git a/src/soc/qualcomm/sc7180/include/soc/aop.h b/src/soc/qualcomm/sc7180/include/soc/aop.h
new file mode 100644
index 0000000..5573163
--- /dev/null
+++ b/src/soc/qualcomm/sc7180/include/soc/aop.h
@@ -0,0 +1,21 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * 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 _SOC_QUALCOMM_SC7180_AOP_H__
+#define _SOC_QUALCOMM_SC7180_AOP_H__
+
+void aop_fw_load_reset(void);
+
+#endif // _SOC_QUALCOMM_SC7180_AOP_H__
diff --git a/src/soc/qualcomm/sc7180/include/soc/memlayout.ld b/src/soc/qualcomm/sc7180/include/soc/memlayout.ld
index 3f43419..7323119 100644
--- a/src/soc/qualcomm/sc7180/include/soc/memlayout.ld
+++ b/src/soc/qualcomm/sc7180/include/soc/memlayout.ld
@@ -24,8 +24,16 @@
#define BSRAM_START(addr) SYMBOL(bsram, addr)
#define BSRAM_END(addr) SYMBOL(ebsram, addr)
+/* AOP : 0x0B000000 - 0x0B100000 */
+#define AOPSRAM_START(addr) SYMBOL(aopsram, addr)
+#define AOPSRAM_END(addr) SYMBOL(eaopsram, addr)
+
SECTIONS
{
+ AOPSRAM_START(0x0B000000)
+ REGION(aop, 0x0B000000, 0x100000, 4096)
+ AOPSRAM_END(0x0B100000)
+
SSRAM_START(0x14680000)
OVERLAP_VERSTAGE_ROMSTAGE(0x14680000, 100K)
REGION(qcsdi, 0x14699000, 52K, 4K)
@@ -52,6 +60,7 @@
DRAM_START(0x80000000)
/* Various hardware/software subsystems make use of this area */
+ REGION(dram_aop, 0x80800000, 0x040000, 0x1000)
REGION(dram_soc, 0x80900000, 0x300000, 0x1000)
BL31(0x80C00000, 0x1A800000)
POSTRAM_CBFS_CACHE(0x9F800000, 16M)
diff --git a/src/soc/qualcomm/sc7180/include/soc/symbols.h b/src/soc/qualcomm/sc7180/include/soc/symbols.h
index f379bb9..d2a53fb 100644
--- a/src/soc/qualcomm/sc7180/include/soc/symbols.h
+++ b/src/soc/qualcomm/sc7180/include/soc/symbols.h
@@ -25,5 +25,6 @@
DECLARE_REGION(dcb)
DECLARE_REGION(pmic)
DECLARE_REGION(limits_cfg)
+DECLARE_REGION(aop)
#endif /* _SOC_QUALCOMM_SC7180_SYMBOLS_H_ */
diff --git a/src/soc/qualcomm/sc7180/mmu.c b/src/soc/qualcomm/sc7180/mmu.c
index 231b06f..2eb8c86 100644
--- a/src/soc/qualcomm/sc7180/mmu.c
+++ b/src/soc/qualcomm/sc7180/mmu.c
@@ -32,3 +32,8 @@
mmu_enable();
}
+
+void soc_mmu_dram_config_post_dram_init(void)
+{
+ mmu_config_range((void *)_aop, REGION_SIZE(aop), CACHED_RAM);
+}
diff --git a/src/soc/qualcomm/sc7180/soc.c b/src/soc/qualcomm/sc7180/soc.c
index 7003b39..fbcfc6e 100644
--- a/src/soc/qualcomm/sc7180/soc.c
+++ b/src/soc/qualcomm/sc7180/soc.c
@@ -18,18 +18,21 @@
#include <soc/mmu.h>
#include <soc/mmu_common.h>
#include <soc/symbols.h>
+#include <soc/aop.h>
static void soc_read_resources(struct device *dev)
{
ram_resource(dev, 0, (uintptr_t)ddr_region->offset / KiB,
ddr_region->size / KiB);
- reserved_ram_resource(dev, 1, (uintptr_t)_dram_soc / KiB,
+ reserved_ram_resource(dev, 1, (uintptr_t)_dram_aop / KiB,
+ REGION_SIZE(dram_aop) / KiB);
+ reserved_ram_resource(dev, 2, (uintptr_t)_dram_soc / KiB,
REGION_SIZE(dram_soc) / KiB);
}
static void soc_init(struct device *dev)
{
-
+ aop_fw_load_reset();
}
static struct device_operations soc_ops = {
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