sc7180 platform support
Adding support for QTI CHIP SC7180 on ATF
Change-Id: I0d82d3a378036003fbd0bc4784f61464bb76ea82
Signed-off-by: Saurabh Gorecha <sgorecha@codeaurora.org>
Co-authored-by: Maulik Shah <mkshah@codeaurora.org>
diff --git a/plat/qti/common/inc/aarch64/plat_macros.S b/plat/qti/common/inc/aarch64/plat_macros.S
new file mode 100644
index 0000000..2e292fb
--- /dev/null
+++ b/plat/qti/common/inc/aarch64/plat_macros.S
@@ -0,0 +1,106 @@
+/*
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2018,2020, The Linux Foundation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef __PLAT_MACROS_S__
+#define __PLAT_MACROS_S__
+
+#include <drivers/arm/gic_common.h>
+#include <drivers/arm/gicv2.h>
+#include <drivers/arm/gicv3.h>
+
+#include <platform_def.h>
+
+.section .rodata.gic_reg_name, "aS"
+/* Applicable only to GICv2 and GICv3 with SRE disabled (legacy mode) */
+gicc_regs:
+ .asciz "gicc_hppir", "gicc_ahppir", "gicc_ctlr", ""
+
+/* Applicable only to GICv3 with SRE enabled */
+icc_regs:
+ .asciz "icc_hppir0_el1", "icc_hppir1_el1", "icc_ctlr_el3", ""
+
+/* Registers common to both GICv2 and GICv3 */
+gicd_pend_reg:
+ .asciz "gicd_ispendr regs (Offsets 0x200 - 0x278)\n" \
+ " Offset:\t\t\tvalue\n"
+newline:
+ .asciz "\n"
+spacer:
+ .asciz ":\t\t0x"
+
+/** Macro : plat_crash_print_regs
+ * This macro allows the crash reporting routine to print GIC registers
+ * in case of an unhandled exception in BL31. This aids in debugging and
+ * this macro can be defined to be empty in case GIC register reporting is
+ * not desired.
+ * The below required platform porting macro
+ * prints out relevant GIC registers whenever an
+ * unhandled exception is taken in BL31.
+ * Clobbers: x0 - x10, x26, x27, sp
+ * ---------------------------------------------
+ */
+ .macro plat_crash_print_regs
+print_gic_regs:
+ ldr x26, =QTI_GICD_BASE
+ ldr x27, =QTI_GICC_BASE
+
+ /* Check for GICv3 system register access */
+ mrs x7, id_aa64pfr0_el1
+ ubfx x7, x7, #ID_AA64PFR0_GIC_SHIFT, #ID_AA64PFR0_GIC_WIDTH
+ cmp x7, #1
+ b.ne print_gicv2
+
+ /* Check for SRE enable */
+ mrs x8, ICC_SRE_EL3
+ tst x8, #ICC_SRE_SRE_BIT
+ b.eq print_gicv2
+
+ /* Load the icc reg list to x6 */
+ adr x6, icc_regs
+ /* Load the icc regs to gp regs used by str_in_crash_buf_print */
+ mrs x8, ICC_HPPIR0_EL1
+ mrs x9, ICC_HPPIR1_EL1
+ mrs x10, ICC_CTLR_EL3
+ /* Store to the crash buf and print to console */
+ bl str_in_crash_buf_print
+ b print_gic_common
+
+print_gicv2:
+ /* Load the gicc reg list to x6 */
+ adr x6, gicc_regs
+ /* Load the gicc regs to gp regs used by str_in_crash_buf_print */
+ ldr w8, [x27, #GICC_HPPIR]
+ ldr w9, [x27, #GICC_AHPPIR]
+ ldr w10, [x27, #GICC_CTLR]
+ /* Store to the crash buf and print to console */
+ bl str_in_crash_buf_print
+
+print_gic_common:
+ /* Print the GICD_ISPENDR regs */
+ add x7, x26, #GICD_ISPENDR
+ adr x4, gicd_pend_reg
+ bl asm_print_str
+gicd_ispendr_loop:
+ sub x4, x7, x26
+ cmp x4, #0x280
+ b.eq exit_print_gic_regs
+ bl asm_print_hex
+
+ adr x4, spacer
+ bl asm_print_str
+
+ ldr x4, [x7], #8
+ bl asm_print_hex
+
+ adr x4, newline
+ bl asm_print_str
+ b gicd_ispendr_loop
+exit_print_gic_regs:
+
+ .endm
+
+#endif /* __PLAT_MACROS_S__ */
diff --git a/plat/qti/common/inc/qti_board_def.h b/plat/qti/common/inc/qti_board_def.h
new file mode 100644
index 0000000..4c84661
--- /dev/null
+++ b/plat/qti/common/inc/qti_board_def.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2018-2020, The Linux Foundation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#ifndef QTI_BOARD_DEF_H
+#define QTI_BOARD_DEF_H
+
+/*
+ * Required platform porting definitions common to all ARM
+ * development platforms
+ */
+
+/* Size of cacheable stacks */
+#define PLATFORM_STACK_SIZE 0x1000
+
+/*
+ * PLAT_QTI_MMAP_ENTRIES depends on the number of entries in the
+ * plat_qti_mmap array defined for each BL stage.
+ */
+#define PLAT_QTI_MMAP_ENTRIES 12
+
+/*
+ * Platform specific page table and MMU setup constants
+ */
+#define MAX_XLAT_TABLES 12
+
+#endif /* QTI_BOARD_DEF_H */
diff --git a/plat/qti/common/inc/qti_cpu.h b/plat/qti/common/inc/qti_cpu.h
new file mode 100644
index 0000000..3eda02b
--- /dev/null
+++ b/plat/qti/common/inc/qti_cpu.h
@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2018-2020, The Linux Foundation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef QTI_CPU_H
+#define QTI_CPU_H
+
+/* KRYO-4xx Gold MIDR */
+#define QTI_KRYO4_GOLD_MIDR 0x517F804D
+
+/* KRYO-4xx Silver MIDR */
+#define QTI_KRYO4_SILVER_MIDR 0x517F805D
+
+#endif /* QTI_CPU_H */
diff --git a/plat/qti/common/inc/qti_interrupt_svc.h b/plat/qti/common/inc/qti_interrupt_svc.h
new file mode 100644
index 0000000..59bde86
--- /dev/null
+++ b/plat/qti/common/inc/qti_interrupt_svc.h
@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2018,2020, The Linux Foundation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef QTI_INTERRUPT_SVC_H
+#define QTI_INTERRUPT_SVC_H
+
+int qti_interrupt_svc_init(void);
+
+#endif /* QTI_INTERRUPT_SVC_H */
diff --git a/plat/qti/common/inc/qti_plat.h b/plat/qti/common/inc/qti_plat.h
new file mode 100644
index 0000000..0e867be
--- /dev/null
+++ b/plat/qti/common/inc/qti_plat.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2018-2020, The Linux Foundation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef QTI_PLAT_H
+#define QTI_PLAT_H
+
+#include <stdint.h>
+
+#include <common/bl_common.h>
+#include <lib/cassert.h>
+#include <lib/el3_runtime/cpu_data.h>
+#include <lib/xlat_tables/xlat_tables_v2.h>
+
+/*
+ * Utility functions common to QTI platforms
+ */
+int qti_mmap_add_dynamic_region(uintptr_t base_pa, size_t size,
+ unsigned int attr);
+int qti_mmap_remove_dynamic_region(uintptr_t base_va, size_t size);
+
+/*
+ * Utility functions common to ARM standard platforms
+ */
+void qti_setup_page_tables(uintptr_t total_base,
+ size_t total_size,
+ uintptr_t code_start,
+ uintptr_t code_limit,
+ uintptr_t rodata_start,
+ uintptr_t rodata_limit,
+ uintptr_t coh_start, uintptr_t coh_limit);
+
+/*
+ * Mandatory functions required in ARM standard platforms
+ */
+void plat_qti_gic_driver_init(void);
+void plat_qti_gic_init(void);
+void plat_qti_gic_cpuif_enable(void);
+void plat_qti_gic_cpuif_disable(void);
+void plat_qti_gic_pcpu_init(void);
+
+/*
+ * Optional functions required in ARM standard platforms
+ */
+unsigned int plat_qti_core_pos_by_mpidr(u_register_t mpidr);
+unsigned int plat_qti_my_cluster_pos(void);
+
+void gic_set_spi_routing(unsigned int id, unsigned int irm, u_register_t mpidr);
+
+#endif /* QTI_PLAT_H */
diff --git a/plat/qti/common/inc/qti_uart_console.h b/plat/qti/common/inc/qti_uart_console.h
new file mode 100644
index 0000000..c5a65d6
--- /dev/null
+++ b/plat/qti/common/inc/qti_uart_console.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2018,2020 The Linux Foundation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef QTI_UART_CONSOLE_H
+#define QTI_UART_CONSOLE_H
+
+#include <drivers/console.h>
+
+#ifndef __ASSEMBLER__
+
+int qti_console_uart_register(console_t *console, uintptr_t uart_base_addr);
+
+#endif /* __ASSEMBLER__ */
+
+#endif /* QTI_UART_CONSOLE_H */