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-rw-r--r--src/soc/qualcomm/common/include/soc/symbols_common.h1
-rw-r--r--src/soc/qualcomm/sc7280/Makefile.inc9
-rw-r--r--src/soc/qualcomm/sc7280/cpucp_load_reset.c35
-rw-r--r--src/soc/qualcomm/sc7280/include/soc/addressmap.h3
-rw-r--r--src/soc/qualcomm/sc7280/include/soc/cpucp.h45
-rw-r--r--src/soc/qualcomm/sc7280/memlayout.ld3
-rw-r--r--src/soc/qualcomm/sc7280/soc.c8
7 files changed, 101 insertions, 3 deletions
diff --git a/src/soc/qualcomm/common/include/soc/symbols_common.h b/src/soc/qualcomm/common/include/soc/symbols_common.h
index 953acc2657..7f3cfbb968 100644
--- a/src/soc/qualcomm/common/include/soc/symbols_common.h
+++ b/src/soc/qualcomm/common/include/soc/symbols_common.h
@@ -24,5 +24,6 @@ DECLARE_REGION(dram_modem_extra)
DECLARE_REGION(dram_wlan)
DECLARE_REGION(dram_wpss)
DECLARE_REGION(shrm)
+DECLARE_REGION(dram_cpucp)
#endif // _SOC_QUALCOMM_SYMBOLS_COMMON_H_
diff --git a/src/soc/qualcomm/sc7280/Makefile.inc b/src/soc/qualcomm/sc7280/Makefile.inc
index 37ed21eaa3..72fb57fcaf 100644
--- a/src/soc/qualcomm/sc7280/Makefile.inc
+++ b/src/soc/qualcomm/sc7280/Makefile.inc
@@ -37,6 +37,7 @@ ramstage-y += soc.c
ramstage-y += cbmem.c
ramstage-$(CONFIG_DRIVERS_UART) += ../common/qupv3_uart.c
ramstage-y += ../common/aop_load_reset.c
+ramstage-y += cpucp_load_reset.c
################################################################################
@@ -112,6 +113,14 @@ $(AOP_CBFS)-compression := $(CBFS_COMPRESS_FLAG)
cbfs-files-y += $(AOP_CBFS)
################################################################################
+CPUCP_FILE := $(SC7280_BLOB)/cpucp/cpucp.elf
+CPUCP_CBFS := $(CONFIG_CBFS_PREFIX)/cpucp
+$(CPUCP_CBFS)-file := $(CPUCP_FILE)
+$(CPUCP_CBFS)-type := payload
+$(CPUCP_CBFS)-compression := $(CBFS_COMPRESS_FLAG)
+cbfs-files-y += $(CPUCP_CBFS)
+
+################################################################################
SHRM_FILE := $(SC7280_BLOB)/shrm/shrm.elf
SHRM_CBFS := $(CONFIG_CBFS_PREFIX)/shrm
$(SHRM_CBFS)-file := $(SHRM_FILE)
diff --git a/src/soc/qualcomm/sc7280/cpucp_load_reset.c b/src/soc/qualcomm/sc7280/cpucp_load_reset.c
new file mode 100644
index 0000000000..48b47073ac
--- /dev/null
+++ b/src/soc/qualcomm/sc7280/cpucp_load_reset.c
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <assert.h>
+#include <delay.h>
+#include <cbfs.h>
+#include <console/console.h>
+#include <soc/mmu.h>
+#include <soc/cpucp.h>
+#include <soc/clock.h>
+#include <device/mmio.h>
+#include <timer.h>
+
+void cpucp_prepare(void)
+{
+ /* allow NS access to EPSS memory*/
+ setbits32(&epss_top->access_override, 0x1);
+
+ /* Enable subsystem clock. Required for CPUCP PDMEM access*/
+ setbits32(&epss_fast->epss_muc_clk_ctrl, 0x1);
+ if (!wait_ms(300, ((read32(&epss_fast->epss_muc_clk_ctrl) & 0x1) != 0x1)))
+ printk(BIOS_ERR, "%s: cannot get CPUCP PDMEM access.\n", __func__);
+}
+
+void cpucp_fw_load_reset(void)
+{
+ struct prog cpucp_fw_prog =
+ PROG_INIT(PROG_PAYLOAD, CONFIG_CBFS_PREFIX "/cpucp");
+
+ cpucp_prepare();
+
+ if (!selfload(&cpucp_fw_prog))
+ die("SOC image: CPUCP load failed");
+
+ printk(BIOS_DEBUG, "SOC:CPUCP image loaded successfully.\n");
+}
diff --git a/src/soc/qualcomm/sc7280/include/soc/addressmap.h b/src/soc/qualcomm/sc7280/include/soc/addressmap.h
index 599d03f7b6..8515a048f8 100644
--- a/src/soc/qualcomm/sc7280/include/soc/addressmap.h
+++ b/src/soc/qualcomm/sc7280/include/soc/addressmap.h
@@ -55,4 +55,7 @@
#define QUP_WRAP1_BASE 0x00AC0000
#define QUP_1_GSI_BASE 0x00A04000
+#define EPSSTOP_EPSS_TOP 0x18598000
+#define EPSSFAST_BASE_ADDR 0x18580000
+
#endif /* __SOC_QUALCOMM_SC7280_ADDRESS_MAP_H__ */
diff --git a/src/soc/qualcomm/sc7280/include/soc/cpucp.h b/src/soc/qualcomm/sc7280/include/soc/cpucp.h
new file mode 100644
index 0000000000..37ae7d2b53
--- /dev/null
+++ b/src/soc/qualcomm/sc7280/include/soc/cpucp.h
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef _SOC_QUALCOMM_SC7280_CPUCP_H__
+#define _SOC_QUALCOMM_SC7280_CPUCP_H__
+
+#include <soc/addressmap.h>
+
+struct epsstop_epss_top {
+ uint32_t access_override;
+ uint32_t global_enable;
+ uint32_t trace_bus_ctrl;
+ uint32_t debug_bus_ctrl;
+ uint32_t muc_hang_det_ctrl;
+ uint32_t muc_hang_irq_sts;
+ uint32_t muc_hang_count_threshold;
+ uint32_t muc_hang_count_sts;
+ uint32_t muc_hang_det_sts;
+ uint32_t l3_voting_en;
+};
+
+struct epssfast_epss_fast {
+ uint32_t epss_muc_clk_ctrl;
+ uint32_t muc_rvbar;
+ uint32_t muc_rvbar_ctrl;
+ uint32_t muc_non_secure_dmem_start_addr;
+ uint32_t muc_non_secure_dmem_end_addr;
+ uint32_t reserved_1[2];
+ uint32_t cpr_data_fifo[4];
+ uint32_t reserved_2[4];
+ uint32_t pll_data_fifo[4];
+ uint32_t reserved_3[4];
+ uint32_t gfmux_data_fifo_1[4];
+ uint32_t cpu_pcu_spare_irq_status;
+ uint32_t cpu_pcu_spare_irq_clr;
+ uint32_t cpu_pcu_spare_wait_event;
+ uint32_t seq_mem[256];
+};
+
+static struct epsstop_epss_top *const epss_top = (void *)EPSSTOP_EPSS_TOP;
+static struct epssfast_epss_fast *const epss_fast = (void *)EPSSFAST_BASE_ADDR;
+
+void cpucp_fw_load_reset(void);
+void cpucp_prepare(void);
+
+#endif // _SOC_QUALCOMM_SC7280_CPUCP_H__
diff --git a/src/soc/qualcomm/sc7280/memlayout.ld b/src/soc/qualcomm/sc7280/memlayout.ld
index 620e5b55db..57cdb59cc3 100644
--- a/src/soc/qualcomm/sc7280/memlayout.ld
+++ b/src/soc/qualcomm/sc7280/memlayout.ld
@@ -54,9 +54,10 @@ SECTIONS
/* Various hardware/software subsystems make use of this area */
REGION(dram_aop, 0x80800000, 0x080000, 0x1000)
REGION(dram_soc, 0x80900000, 0x200000, 0x1000)
- BL31(0x80B00000, 1M)
+ REGION(dram_cpucp,0x80B00000, 0x100000, 0x1000)
REGION(dram_wlan, 0x80C00000, 0xC00000, 0x1000)
REGION(dram_wpss, 0x9AE00000, 0x1900000, 0x1000)
POSTRAM_CBFS_CACHE(0x9F800000, 16M)
RAMSTAGE(0xA0800000, 16M)
+ BL31(0xC0000000, 1M)
}
diff --git a/src/soc/qualcomm/sc7280/soc.c b/src/soc/qualcomm/sc7280/soc.c
index ff2b7cc650..8d27a46cee 100644
--- a/src/soc/qualcomm/sc7280/soc.c
+++ b/src/soc/qualcomm/sc7280/soc.c
@@ -5,6 +5,7 @@
#include <soc/mmu_common.h>
#include <soc/symbols_common.h>
#include <soc/aop_common.h>
+#include <soc/cpucp.h>
static void soc_read_resources(struct device *dev)
{
@@ -13,16 +14,19 @@ static void soc_read_resources(struct device *dev)
reserved_ram_resource(dev, 1, (uintptr_t)_dram_soc / KiB,
REGION_SIZE(dram_soc) / KiB);
reserved_ram_resource(dev, 2, (uintptr_t)_dram_wlan / KiB,
- REGION_SIZE(dram_wlan) / KiB);
+ REGION_SIZE(dram_wlan) / KiB);
reserved_ram_resource(dev, 3, (uintptr_t)_dram_wpss / KiB,
- REGION_SIZE(dram_wpss) / KiB);
+ REGION_SIZE(dram_wpss) / KiB);
reserved_ram_resource(dev, 4, (uintptr_t)_dram_aop / KiB,
REGION_SIZE(dram_aop) / KiB);
+ reserved_ram_resource(dev, 5, (uintptr_t)_dram_cpucp / KiB,
+ REGION_SIZE(dram_cpucp) / KiB);
}
static void soc_init(struct device *dev)
{
aop_fw_load_reset();
+ cpucp_fw_load_reset();
}
static struct device_operations soc_ops = {