Merge "feat(versal): deprecate build time arg VERSAL_PLATFORM" into integration

docs/plat/xilinx-versal.rst

@@ -14,11 +14,6 @@ To build:
 make RESET_TO_BL31=1 CROSS_COMPILE=aarch64-none-elf- PLAT=versal bl31
 ```
 
-To build ATF for different platform (supported are "silicon"(default) and "versal_virt")
-```bash
-make RESET_TO_BL31=1 CROSS_COMPILE=aarch64-none-elf- PLAT=versal VERSAL_PLATFORM=versal_virt bl31
-```
-
 To build bl32 TSP you have to rebuild bl31 too
 ```bash
 make CROSS_COMPILE=aarch64-none-elf- PLAT=versal SPD=tspd RESET_TO_BL31=1 bl31 bl32
@@ -51,11 +46,6 @@ Xilinx Versal platform specific build options
     -   `pl011`, `pl011_0`: ARM pl011 UART 0
     -   `pl011_1`         : ARM pl011 UART 1
 
-*   `VERSAL_PLATFORM`: Select the platform. Options:
-    -   `versal_virt`	: Versal Virtual platform
-    -   `spp_itr6`	: SPP ITR6
-    -   `emu_itr6`	: EMU ITR6
-
 *   `CPU_PWRDWN_SGI`: Select the SGI for triggering CPU power down request to
                       secondary cores on receiving power down callback from
                       firmware. Options:

plat/xilinx/versal/aarch64/versal_common.c

@@ -1,12 +1,11 @@
 /*
  * Copyright (c) 2018-2020, Arm Limited and Contributors. All rights reserved.
- * Copyright (c) 2022-2023, Advanced Micro Devices, Inc. All rights reserved.
+ * Copyright (c) 2022-2024, Advanced Micro Devices, Inc. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
 #include <common/debug.h>
-#include <drivers/generic_delay_timer.h>
 #include <lib/mmio.h>
 #include <lib/xlat_tables/xlat_tables_v2.h>
 #include <plat/common/platform.h>
@@ -18,7 +17,7 @@
 #include <versal_def.h>
 
 uint32_t platform_id, platform_version;
-uint32_t cpu_clock = VERSAL_CPU_CLOCK;
+uint32_t cpu_clock;
 
 /*
  * Table of regions to map using the MMU.
@@ -39,19 +38,10 @@ const mmap_region_t *plat_get_mmap(void)
 	return plat_versal_mmap;
 }
 
-static void versal_print_platform_name(void)
-{
-	NOTICE("TF-A running on %s\n", PLATFORM_NAME);
-}
-
 void versal_config_setup(void)
 {
 	/* Configure IPI data for versal */
 	versal_ipi_config_table_init();
-
-	versal_print_platform_name();
-
-	generic_delay_timer_init();
 }
 
 void board_detection(void)
@@ -70,7 +60,50 @@ void board_detection(void)
 	platform_version = FIELD_GET(PLATFORM_VERSION_MASK, plat_info[1]);
 }
 
+const char *board_name_decode(void)
+{
+	const char *platform;
+
+	switch (platform_id) {
+	case VERSAL_SPP:
+		platform = "IPP";
+		break;
+	case VERSAL_EMU:
+		platform = "EMU";
+		break;
+	case VERSAL_QEMU:
+		platform = "QEMU";
+		break;
+	case VERSAL_SILICON:
+		platform = "SILICON";
+		break;
+	default:
+		platform = "unknown";
+	}
+
+	return platform;
+}
+
 uint32_t get_uart_clk(void)
 {
-	return UART_CLOCK;
+	uint32_t uart_clock;
+
+	switch (platform_id) {
+	case VERSAL_SPP:
+		uart_clock = 25000000;
+		break;
+	case VERSAL_EMU:
+		uart_clock = 212000;
+		break;
+	case VERSAL_QEMU:
+		uart_clock = 25000000;
+		break;
+	case VERSAL_SILICON:
+		uart_clock = 100000000;
+		break;
+	default:
+		panic();
+	}
+
+	return uart_clock;
 }

plat/xilinx/versal/bl31_versal_setup.c

@@ -1,7 +1,7 @@
 /*
  * Copyright (c) 2018-2024, Arm Limited and Contributors. All rights reserved.
  * Copyright (c) 2018-2022, Xilinx, Inc. All rights reserved.
- * Copyright (c) 2022-2023, Advanced Micro Devices, Inc. All rights reserved.
+ * Copyright (c) 2022-2024, Advanced Micro Devices, Inc. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -12,6 +12,7 @@
 #include <bl31/bl31.h>
 #include <common/bl_common.h>
 #include <common/debug.h>
+#include <drivers/generic_delay_timer.h>
 #include <lib/mmio.h>
 #include <lib/xlat_tables/xlat_tables_v2.h>
 #include <plat/common/platform.h>
@@ -73,22 +74,41 @@ void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1,
 	enum pm_ret_status ret_status;
 	uint64_t addr[HANDOFF_PARAMS_MAX_SIZE];
 
-	set_cnt_freq();
-
-	setup_console();
-
-	/* Initialize the platform config for future decision making */
-	versal_config_setup();
-
-	/* Get platform related information */
-	board_detection();
-
 	/*
 	 * Do initial security configuration to allow DRAM/device access. On
 	 * Base VERSAL only DRAM security is programmable (via TrustZone), but
 	 * other platforms might have more programmable security devices
 	 * present.
 	 */
+	versal_config_setup();
+
+	/* Initialize the platform config for future decision making */
+	board_detection();
+
+	switch (platform_id) {
+	case VERSAL_SPP:
+		cpu_clock = 2720000;
+		break;
+	case VERSAL_EMU:
+		cpu_clock = 212000;
+		break;
+	case VERSAL_QEMU:
+		/* Random values now */
+		cpu_clock = 2720000;
+		break;
+	case VERSAL_SILICON:
+		cpu_clock = 100000000;
+		break;
+	default:
+		panic();
+	}
+	set_cnt_freq();
+
+	generic_delay_timer_init();
+
+	setup_console();
+
+	NOTICE("TF-A running on %s %d\n", board_name_decode(), platform_version);
 
 	/* Populate common information for BL32 and BL33 */
 	SET_PARAM_HEAD(&bl32_image_ep_info, PARAM_EP, VERSION_1, 0);

plat/xilinx/versal/include/plat_private.h

@@ -1,7 +1,7 @@
 /*
  * Copyright (c) 2018-2019, Arm Limited and Contributors. All rights reserved.
  * Copyright (c) 2018-2022, Xilinx, Inc. All rights reserved.
- * Copyright (c) 2022-2023, Advanced Micro Devices, Inc. All rights reserved.
+ * Copyright (c) 2022-2024, Advanced Micro Devices, Inc. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -25,6 +25,8 @@ const mmap_region_t *plat_get_mmap(void);
 extern uint32_t cpu_clock, platform_id, platform_version;
 
 void board_detection(void);
+const char *board_name_decode(void);
+
 void plat_versal_gic_driver_init(void);
 void plat_versal_gic_init(void);
 void plat_versal_gic_cpuif_enable(void);

plat/xilinx/versal/include/versal_def.h

@@ -1,7 +1,7 @@
 /*
  * Copyright (c) 2018-2022, Arm Limited and Contributors. All rights reserved.
  * Copyright (c) 2019-2022, Xilinx, Inc. All rights reserved.
- * Copyright (c) 2022-2023, Advanced Micro Devices, Inc. All rights reserved.
+ * Copyright (c) 2022-2024, Advanced Micro Devices, Inc. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -25,13 +25,11 @@
 
 #define CONSOLE_IS(con)	(VERSAL_CONSOLE_ID_ ## con == VERSAL_CONSOLE)
 
-/* List all supported platforms */
-#define VERSAL_PLATFORM_ID_versal_virt	1
-#define VERSAL_PLATFORM_ID_spp_itr6	2
-#define VERSAL_PLATFORM_ID_emu_itr6	3
-#define VERSAL_PLATFORM_ID_silicon	4
-
-#define VERSAL_PLATFORM_IS(con)	(VERSAL_PLATFORM_ID_ ## con == VERSAL_PLATFORM)
+/* List of platforms */
+#define VERSAL_SILICON              U(0)
+#define VERSAL_SPP                  U(1)
+#define VERSAL_EMU                  U(2)
+#define VERSAL_QEMU                 U(3)
 
 /* Firmware Image Package */
 #define VERSAL_PRIMARY_CPU	0
@@ -75,27 +73,7 @@
 /*******************************************************************************
  * Platform related constants
  ******************************************************************************/
-#if VERSAL_PLATFORM_IS(versal_virt)
-# define PLATFORM_NAME		"Versal Virt"
-# define UART_CLOCK	25000000
-# define UART_BAUDRATE	115200
-# define VERSAL_CPU_CLOCK	2720000
-#elif VERSAL_PLATFORM_IS(silicon)
-# define PLATFORM_NAME		"Versal Silicon"
-# define UART_CLOCK	100000000
-# define UART_BAUDRATE	115200
-# define VERSAL_CPU_CLOCK	100000000
-#elif VERSAL_PLATFORM_IS(spp_itr6)
-# define PLATFORM_NAME		"SPP ITR6"
-# define UART_CLOCK	25000000
-# define UART_BAUDRATE	115200
-# define VERSAL_CPU_CLOCK	2720000
-#elif VERSAL_PLATFORM_IS(emu_itr6)
-# define PLATFORM_NAME		"EMU ITR6"
-# define UART_CLOCK	212000
-# define UART_BAUDRATE	9600
-# define VERSAL_CPU_CLOCK	212000
-#endif
+#define UART_BAUDRATE  115200
 
 /* Access control register defines */
 #define ACTLR_EL3_L2ACTLR_BIT	(1 << 6)

plat/xilinx/versal/platform.mk

@@ -1,5 +1,5 @@
 # Copyright (c) 2018-2021, Arm Limited and Contributors. All rights reserved.
-# Copyright (c) 2022-2023, Advanced Micro Devices, Inc. All rights reserved.
+# Copyright (c) 2022-2024, Advanced Micro Devices, Inc. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 
@@ -44,8 +44,9 @@ ifdef IPI_CRC_CHECK
     $(eval $(call add_define,IPI_CRC_CHECK))
 endif
 
-VERSAL_PLATFORM ?= silicon
-$(eval $(call add_define_val,VERSAL_PLATFORM,VERSAL_PLATFORM_ID_${VERSAL_PLATFORM}))
+ifdef VERSAL_PLATFORM
+    $(warning "VERSAL_PLATFORM has been deprecated")
+endif
 
 ifdef XILINX_OF_BOARD_DTB_ADDR
 $(eval $(call add_define,XILINX_OF_BOARD_DTB_ADDR))