Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

3 files changed, 294 insertions, 0 deletions

diff --git a/include/plat/arm/css/common/aarch64/css_macros.S b/include/plat/arm/css/common/aarch64/css_macros.S
new file mode 100644
index 0000000..85a7044
--- /dev/null
+++ b/include/plat/arm/css/common/aarch64/css_macros.S
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#ifndef CSS_MACROS_S
+#define CSS_MACROS_S
+
+#include <arm_macros.S>
+#include <platform_def.h>
+
+	/* ---------------------------------------------
+	 * The below required platform porting macro
+	 * prints out relevant GIC registers whenever an
+	 * unhandled exception is taken in BL31.
+	 * Clobbers: x0 - x10, x16, x17, sp
+	 * ---------------------------------------------
+	 */
+	.macro css_print_gic_regs
+	mov_imm	x16, PLAT_ARM_GICD_BASE
+	mov_imm	x17, PLAT_ARM_GICC_BASE
+	arm_print_gic_regs
+	.endm
+
+#endif /* CSS_MACROS_S */
diff --git a/include/plat/arm/css/common/css_def.h b/include/plat/arm/css/common/css_def.h
new file mode 100644
index 0000000..dde174c
--- /dev/null
+++ b/include/plat/arm/css/common/css_def.h
@@ -0,0 +1,205 @@
+/*
+ * Copyright (c) 2015-2021, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CSS_DEF_H
+#define CSS_DEF_H
+
+#include <common/interrupt_props.h>
+#include <drivers/arm/gic_common.h>
+#include <drivers/arm/tzc400.h>
+
+/*************************************************************************
+ * Definitions common to all ARM Compute SubSystems (CSS)
+ *************************************************************************/
+#define NSROM_BASE			0x1f000000
+#define NSROM_SIZE			0x00001000
+
+/* Following covers CSS Peripherals excluding NSROM and NSRAM  */
+#define CSS_DEVICE_BASE			0x20000000
+#define CSS_DEVICE_SIZE			0x0e000000
+
+/* System Security Control Registers */
+#define SSC_REG_BASE			0x2a420000
+#define SSC_GPRETN			(SSC_REG_BASE + 0x030)
+
+/* System ID Registers Unit */
+#define SID_REG_BASE			0x2a4a0000
+#define SID_SYSTEM_ID_OFFSET		0x40
+#define SID_SYSTEM_CFG_OFFSET		0x70
+#define SID_NODE_ID_OFFSET		0x60
+#define SID_CHIP_ID_MASK		0xFF
+#define SID_MULTI_CHIP_MODE_MASK	0x100
+#define SID_MULTI_CHIP_MODE_SHIFT	8
+
+/* The slave_bootsecure controls access to GPU, DMC and CS. */
+#define CSS_NIC400_SLAVE_BOOTSECURE	8
+
+/* Interrupt handling constants */
+#define CSS_IRQ_MHU			69
+#define CSS_IRQ_GPU_SMMU_0		71
+#define CSS_IRQ_TZC			80
+#define CSS_IRQ_TZ_WDOG			86
+#define CSS_IRQ_SEC_SYS_TIMER		91
+
+/* MHU register offsets */
+#define MHU_CPU_INTR_S_SET_OFFSET	0x308
+
+/*
+ * Define a list of Group 1 Secure interrupt properties as per GICv3
+ * terminology. On a GICv2 system or mode, the interrupts will be treated as
+ * Group 0 interrupts.
+ */
+#define CSS_G1S_IRQ_PROPS(grp) \
+	INTR_PROP_DESC(CSS_IRQ_MHU, GIC_HIGHEST_SEC_PRIORITY, grp, \
+			GIC_INTR_CFG_LEVEL), \
+	INTR_PROP_DESC(CSS_IRQ_GPU_SMMU_0, GIC_HIGHEST_SEC_PRIORITY, grp, \
+			GIC_INTR_CFG_LEVEL), \
+	INTR_PROP_DESC(CSS_IRQ_TZC, GIC_HIGHEST_SEC_PRIORITY, grp, \
+			GIC_INTR_CFG_LEVEL), \
+	INTR_PROP_DESC(CSS_IRQ_TZ_WDOG, GIC_HIGHEST_SEC_PRIORITY, grp, \
+			GIC_INTR_CFG_LEVEL), \
+	INTR_PROP_DESC(CSS_IRQ_SEC_SYS_TIMER, GIC_HIGHEST_SEC_PRIORITY, grp, \
+			GIC_INTR_CFG_LEVEL)
+
+#if CSS_USE_SCMI_SDS_DRIVER
+/* Memory region for shared data storage */
+#define PLAT_ARM_SDS_MEM_BASE		ARM_SHARED_RAM_BASE
+#define PLAT_ARM_SDS_MEM_SIZE_MAX	0xDC0 /* 3520 bytes */
+/*
+ * The SCMI Channel is placed right after the SDS region
+ */
+#define CSS_SCMI_PAYLOAD_BASE		(PLAT_ARM_SDS_MEM_BASE + PLAT_ARM_SDS_MEM_SIZE_MAX)
+#define CSS_SCMI_MHU_DB_REG_OFF		MHU_CPU_INTR_S_SET_OFFSET
+
+/* Trusted mailbox base address common to all CSS */
+/* If SDS is present, then mailbox is at top of SRAM */
+#define PLAT_ARM_TRUSTED_MAILBOX_BASE	(ARM_SHARED_RAM_BASE + ARM_SHARED_RAM_SIZE - 0x8)
+
+/* Number of retries for SCP_RAM_READY flag */
+#define CSS_SCP_READY_10US_RETRIES		1000000 /* Effective timeout of 10000 ms */
+
+#else
+/*
+ * SCP <=> AP boot configuration
+ *
+ * The SCP/AP boot configuration is a 32-bit word located at a known offset from
+ * the start of the Trusted SRAM.
+ *
+ * Note that the value stored at this address is only valid at boot time, before
+ * the SCP_BL2 image is transferred to SCP.
+ */
+#define SCP_BOOT_CFG_ADDR		PLAT_CSS_SCP_COM_SHARED_MEM_BASE
+
+/* Trusted mailbox base address common to all CSS */
+/* If SDS is not present, then the mailbox is at the bottom of SRAM */
+#define PLAT_ARM_TRUSTED_MAILBOX_BASE	ARM_TRUSTED_SRAM_BASE
+
+#endif /* CSS_USE_SCMI_SDS_DRIVER */
+
+#define CSS_MAP_DEVICE			MAP_REGION_FLAT(		\
+						CSS_DEVICE_BASE,	\
+						CSS_DEVICE_SIZE,	\
+						MT_DEVICE | MT_RW | MT_SECURE)
+
+#define CSS_MAP_NSRAM			MAP_REGION_FLAT(		\
+						NSRAM_BASE,	\
+						NSRAM_SIZE,	\
+						MT_DEVICE | MT_RW | MT_NS)
+
+#if defined(IMAGE_BL2U)
+#define CSS_MAP_SCP_BL2U		MAP_REGION_FLAT(		\
+						SCP_BL2U_BASE,		\
+						SCP_BL2U_LIMIT		\
+							- SCP_BL2U_BASE,\
+						MT_RW_DATA | MT_SECURE)
+#endif
+
+/* Platform ID address */
+#define SSC_VERSION_OFFSET			0x040
+
+#define SSC_VERSION_CONFIG_SHIFT		28
+#define SSC_VERSION_MAJOR_REV_SHIFT		24
+#define SSC_VERSION_MINOR_REV_SHIFT		20
+#define SSC_VERSION_DESIGNER_ID_SHIFT		12
+#define SSC_VERSION_PART_NUM_SHIFT		0x0
+#define SSC_VERSION_CONFIG_MASK			0xf
+#define SSC_VERSION_MAJOR_REV_MASK		0xf
+#define SSC_VERSION_MINOR_REV_MASK		0xf
+#define SSC_VERSION_DESIGNER_ID_MASK		0xff
+#define SSC_VERSION_PART_NUM_MASK		0xfff
+
+#define SID_SYSTEM_ID_PART_NUM_MASK		0xfff
+
+/* SSC debug configuration registers */
+#define SSC_DBGCFG_SET		0x14
+#define SSC_DBGCFG_CLR		0x18
+
+#define SPNIDEN_INT_CLR_SHIFT	4
+#define SPNIDEN_SEL_SET_SHIFT	5
+#define SPIDEN_INT_CLR_SHIFT	6
+#define SPIDEN_SEL_SET_SHIFT	7
+
+#ifndef __ASSEMBLER__
+
+/* SSC_VERSION related accessors */
+
+/* Returns the part number of the platform */
+#define GET_SSC_VERSION_PART_NUM(val)				\
+		(((val) >> SSC_VERSION_PART_NUM_SHIFT) &	\
+		SSC_VERSION_PART_NUM_MASK)
+
+/* Returns the configuration number of the platform */
+#define GET_SSC_VERSION_CONFIG(val)				\
+		(((val) >> SSC_VERSION_CONFIG_SHIFT) &		\
+		SSC_VERSION_CONFIG_MASK)
+
+#endif /* __ASSEMBLER__ */
+
+/*************************************************************************
+ * Required platform porting definitions common to all
+ * ARM Compute SubSystems (CSS)
+ ************************************************************************/
+
+/*
+ * The loading of SCP images(SCP_BL2 or SCP_BL2U) is done if there
+ * respective base addresses are defined (i.e SCP_BL2_BASE, SCP_BL2U_BASE).
+ * Hence, `CSS_LOAD_SCP_IMAGES` needs to be set to 1 if BL2 needs to load
+ * an SCP_BL2/SCP_BL2U image.
+ */
+#if CSS_LOAD_SCP_IMAGES
+
+#if ARM_BL31_IN_DRAM
+#error "SCP_BL2 is not expected to be loaded by BL2 for ARM_BL31_IN_DRAM config"
+#endif
+
+/*
+ * Load address of SCP_BL2 in CSS platform ports
+ * SCP_BL2 is loaded to the same place as BL31 but it shouldn't overwrite BL1
+ * rw data or BL2.  Once SCP_BL2 is transferred to the SCP, it is discarded and
+ * BL31 is loaded over the top.
+ */
+#define SCP_BL2_BASE			(BL2_BASE - PLAT_CSS_MAX_SCP_BL2_SIZE)
+#define SCP_BL2_LIMIT			BL2_BASE
+
+#define SCP_BL2U_BASE			(BL2_BASE - PLAT_CSS_MAX_SCP_BL2U_SIZE)
+#define SCP_BL2U_LIMIT			BL2_BASE
+#endif /* CSS_LOAD_SCP_IMAGES */
+
+/* Load address of Non-Secure Image for CSS platform ports */
+#define PLAT_ARM_NS_IMAGE_BASE		U(0xE0000000)
+
+/*
+ * Parsing of CPU and Cluster states, as returned by 'Get CSS Power State' SCP
+ * command
+ */
+#define CSS_CLUSTER_PWR_STATE_ON	0
+#define CSS_CLUSTER_PWR_STATE_OFF	3
+
+#define CSS_CPU_PWR_STATE_ON		1
+#define CSS_CPU_PWR_STATE_OFF		0
+#define CSS_CPU_PWR_STATE(state, n)	(((state) >> (n)) & 1)
+
+#endif /* CSS_DEF_H */
diff --git a/include/plat/arm/css/common/css_pm.h b/include/plat/arm/css/common/css_pm.h
new file mode 100644
index 0000000..84e6b38
--- /dev/null
+++ b/include/plat/arm/css/common/css_pm.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2015-2022, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CSS_PM_H
+#define CSS_PM_H
+
+#include <cdefs.h>
+#include <stdint.h>
+
+#include <lib/psci/psci.h>
+
+/* SGI used to trigger per-core power down request */
+#define CSS_CPU_PWR_DOWN_REQ_INTR	ARM_IRQ_SEC_SGI_7
+
+/* Macros to read the CSS power domain state */
+#define CSS_CORE_PWR_STATE(state)	(state)->pwr_domain_state[ARM_PWR_LVL0]
+#define CSS_CLUSTER_PWR_STATE(state)	(state)->pwr_domain_state[ARM_PWR_LVL1]
+
+static inline unsigned int css_system_pwr_state(const psci_power_state_t *state)
+{
+#if (PLAT_MAX_PWR_LVL == CSS_SYSTEM_PWR_DMN_LVL)
+	return state->pwr_domain_state[CSS_SYSTEM_PWR_DMN_LVL];
+#else
+	return 0;
+#endif
+}
+
+int css_pwr_domain_on(u_register_t mpidr);
+void css_pwr_domain_on_finish(const psci_power_state_t *target_state);
+void css_pwr_domain_on_finish_late(const psci_power_state_t *target_state);
+void css_pwr_domain_off(const psci_power_state_t *target_state);
+void css_pwr_domain_suspend(const psci_power_state_t *target_state);
+void css_pwr_domain_suspend_finish(
+				const psci_power_state_t *target_state);
+void __dead2 css_system_off(void);
+void __dead2 css_system_reset(void);
+void css_cpu_standby(plat_local_state_t cpu_state);
+void css_get_sys_suspend_power_state(psci_power_state_t *req_state);
+int css_node_hw_state(u_register_t mpidr, unsigned int power_level);
+void css_setup_cpu_pwr_down_intr(void);
+int css_reboot_interrupt_handler(uint32_t intr_raw, uint32_t flags,
+		void *handle, void *cookie);
+
+/*
+ * This mapping array has to be exported by the platform. Each element at
+ * a given index maps that core to an SCMI power domain.
+ */
+extern const uint32_t plat_css_core_pos_to_scmi_dmn_id_map[];
+
+#define SCMI_DOMAIN_ID_MASK		U(0xFFFF)
+#define SCMI_CHANNEL_ID_MASK		U(0xFFFF)
+#define SCMI_CHANNEL_ID_SHIFT		U(16)
+
+#define SET_SCMI_CHANNEL_ID(n)		(((n) & SCMI_CHANNEL_ID_MASK) << \
+					 SCMI_CHANNEL_ID_SHIFT)
+#define SET_SCMI_DOMAIN_ID(n)		((n) & SCMI_DOMAIN_ID_MASK)
+#define GET_SCMI_CHANNEL_ID(n)		(((n) >> SCMI_CHANNEL_ID_SHIFT) & \
+					 SCMI_CHANNEL_ID_MASK)
+#define GET_SCMI_DOMAIN_ID(n)		((n) & SCMI_DOMAIN_ID_MASK)
+
+#endif /* CSS_PM_H */