Merge pull request #1418 from antonio-nino-diaz-arm/an/arm-multi-console

 plat/arm: Migrate AArch64 port to the multi console driver

11 files changed, 143 insertions, 30 deletions

diff --git a/plat/arm/common/aarch64/arm_helpers.S b/plat/arm/common/aarch64/arm_helpers.S
index 760a53af2..752929db5 100644
--- a/plat/arm/common/aarch64/arm_helpers.S
+++ b/plat/arm/common/aarch64/arm_helpers.S
@@ -8,9 +8,9 @@
 
 	.weak	plat_arm_calc_core_pos
 	.weak	plat_my_core_pos
-	.globl	plat_crash_console_init
-	.globl	plat_crash_console_putc
-	.globl	plat_crash_console_flush
+	.weak	plat_crash_console_init
+	.weak	plat_crash_console_putc
+	.weak	plat_crash_console_flush
 	.globl	platform_mem_init
 
 
@@ -50,7 +50,7 @@ func plat_crash_console_init
 	mov_imm	x0, PLAT_ARM_CRASH_UART_BASE
 	mov_imm	x1, PLAT_ARM_CRASH_UART_CLK_IN_HZ
 	mov_imm	x2, ARM_CONSOLE_BAUDRATE
-	b	console_core_init
+	b	console_pl011_core_init
 endfunc plat_crash_console_init
 
 	/* ---------------------------------------------
@@ -62,7 +62,7 @@ endfunc plat_crash_console_init
 	 */
 func plat_crash_console_putc
 	mov_imm	x1, PLAT_ARM_CRASH_UART_BASE
-	b	console_core_putc
+	b	console_pl011_core_putc
 endfunc plat_crash_console_putc
 
 	/* ---------------------------------------------
@@ -75,7 +75,7 @@ endfunc plat_crash_console_putc
 	 */
 func plat_crash_console_flush
 	mov_imm	x0, PLAT_ARM_CRASH_UART_BASE
-	b	console_core_flush
+	b	console_pl011_core_flush
 endfunc plat_crash_console_flush
 
 	/* ---------------------------------------------------------------------
diff --git a/plat/arm/common/arm_bl1_setup.c b/plat/arm/common/arm_bl1_setup.c
index 379e87df2..e5e730417 100644
--- a/plat/arm/common/arm_bl1_setup.c
+++ b/plat/arm/common/arm_bl1_setup.c
@@ -9,7 +9,6 @@
 #include <arm_xlat_tables.h>
 #include <bl1.h>
 #include <bl_common.h>
-#include <console.h>
 #include <plat_arm.h>
 #include <platform.h>
 #include <platform_def.h>
@@ -45,8 +44,7 @@ void arm_bl1_early_platform_setup(void)
 #endif
 
 	/* Initialize the console to provide early debug support */
-	console_init(PLAT_ARM_BOOT_UART_BASE, PLAT_ARM_BOOT_UART_CLK_IN_HZ,
-			ARM_CONSOLE_BAUDRATE);
+	arm_console_boot_init();
 
 	/* Allow BL1 to see the whole Trusted RAM */
 	bl1_tzram_layout.total_base = ARM_BL_RAM_BASE;
diff --git a/plat/arm/common/arm_bl2_el3_setup.c b/plat/arm/common/arm_bl2_el3_setup.c
index e70d115ee..e7247c63d 100644
--- a/plat/arm/common/arm_bl2_el3_setup.c
+++ b/plat/arm/common/arm_bl2_el3_setup.c
@@ -1,9 +1,8 @@
 /*
- * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
-#include <console.h>
 #include <generic_delay_timer.h>
 #include <plat_arm.h>
 #include <platform.h>
@@ -21,8 +20,7 @@ static meminfo_t bl2_el3_tzram_layout;
 void arm_bl2_el3_early_platform_setup(void)
 {
 	/* Initialize the console to provide early debug support */
-	console_init(PLAT_ARM_BOOT_UART_BASE, PLAT_ARM_BOOT_UART_CLK_IN_HZ,
-			ARM_CONSOLE_BAUDRATE);
+	arm_console_boot_init();
 
 	/*
 	 * Allow BL2 to see the whole Trusted RAM. This is determined
diff --git a/plat/arm/common/arm_bl2_setup.c b/plat/arm/common/arm_bl2_setup.c
index 4ef3a9b0f..3aa99f805 100644
--- a/plat/arm/common/arm_bl2_setup.c
+++ b/plat/arm/common/arm_bl2_setup.c
@@ -8,7 +8,6 @@
 #include <arm_def.h>
 #include <assert.h>
 #include <bl_common.h>
-#include <console.h>
 #include <debug.h>
 #include <desc_image_load.h>
 #include <generic_delay_timer.h>
@@ -176,8 +175,7 @@ struct entry_point_info *bl2_plat_get_bl31_ep_info(void)
 void arm_bl2_early_platform_setup(uintptr_t tb_fw_config, meminfo_t *mem_layout)
 {
 	/* Initialize the console to provide early debug support */
-	console_init(PLAT_ARM_BOOT_UART_BASE, PLAT_ARM_BOOT_UART_CLK_IN_HZ,
-			ARM_CONSOLE_BAUDRATE);
+	arm_console_boot_init();
 
 	/* Setup the BL2 memory layout */
 	bl2_tzram_layout = *mem_layout;
diff --git a/plat/arm/common/arm_bl2u_setup.c b/plat/arm/common/arm_bl2u_setup.c
index 3b8e4aa46..cd691e5c3 100644
--- a/plat/arm/common/arm_bl2u_setup.c
+++ b/plat/arm/common/arm_bl2u_setup.c
@@ -7,7 +7,6 @@
 #include <arch_helpers.h>
 #include <arm_def.h>
 #include <bl_common.h>
-#include <console.h>
 #include <generic_delay_timer.h>
 #include <plat_arm.h>
 #include <platform_def.h>
@@ -36,8 +35,8 @@ void bl2u_platform_setup(void)
 void arm_bl2u_early_platform_setup(meminfo_t *mem_layout, void *plat_info)
 {
 	/* Initialize the console to provide early debug support */
-	console_init(PLAT_ARM_BOOT_UART_BASE, PLAT_ARM_BOOT_UART_CLK_IN_HZ,
-			ARM_CONSOLE_BAUDRATE);
+	arm_console_boot_init();
+
 	generic_delay_timer_init();
 }
 
diff --git a/plat/arm/common/arm_bl31_setup.c b/plat/arm/common/arm_bl31_setup.c
index 46f7ae0e5..6346f0fff 100644
--- a/plat/arm/common/arm_bl31_setup.c
+++ b/plat/arm/common/arm_bl31_setup.c
@@ -78,8 +78,7 @@ void arm_bl31_early_platform_setup(bl31_params_t *from_bl2, uintptr_t soc_fw_con
 #endif
 {
 	/* Initialize the console to provide early debug support */
-	console_init(PLAT_ARM_BOOT_UART_BASE, PLAT_ARM_BOOT_UART_CLK_IN_HZ,
-			ARM_CONSOLE_BAUDRATE);
+	arm_console_boot_init();
 
 #if RESET_TO_BL31
 	/* There are no parameters from BL2 if BL31 is a reset vector */
@@ -249,12 +248,18 @@ void arm_bl31_platform_setup(void)
 /*******************************************************************************
  * Perform any BL31 platform runtime setup prior to BL31 exit common to ARM
  * standard platforms
+ * Perform BL31 platform setup
  ******************************************************************************/
 void arm_bl31_plat_runtime_setup(void)
 {
+#if MULTI_CONSOLE_API
+	console_switch_state(CONSOLE_FLAG_RUNTIME);
+#else
+	console_uninit();
+#endif
+
 	/* Initialize the runtime console */
-	console_init(PLAT_ARM_BL31_RUN_UART_BASE, PLAT_ARM_BL31_RUN_UART_CLK_IN_HZ,
-			ARM_CONSOLE_BAUDRATE);
+	arm_console_runtime_init();
 }
 
 void bl31_platform_setup(void)
diff --git a/plat/arm/common/arm_common.mk b/plat/arm/common/arm_common.mk
index 4b23ac675..76a75d3b9 100644
--- a/plat/arm/common/arm_common.mk
+++ b/plat/arm/common/arm_common.mk
@@ -125,6 +125,11 @@ SEPARATE_CODE_AND_RODATA	:=	1
 # Enable new version of image loading on ARM platforms
 LOAD_IMAGE_V2			:=	1
 
+# Use the multi console API, which is only available for AArch64 for now
+ifeq (${ARCH}, aarch64)
+  MULTI_CONSOLE_API		:=	1
+endif
+
 # Use generic OID definition (tbbr_oid.h)
 USE_TBBR_DEFS			:=	1
 
@@ -141,7 +146,8 @@ PLAT_INCLUDES		+=	-Iinclude/plat/arm/common/aarch64
 endif
 
 PLAT_BL_COMMON_SOURCES	+=	plat/arm/common/${ARCH}/arm_helpers.S		\
-				plat/arm/common/arm_common.c
+				plat/arm/common/arm_common.c			\
+				plat/arm/common/arm_console.c
 
 ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1)
 PLAT_BL_COMMON_SOURCES	+=	lib/xlat_tables/xlat_tables_common.c		\
diff --git a/plat/arm/common/arm_console.c b/plat/arm/common/arm_console.c
new file mode 100644
index 000000000..6c8587fc4
--- /dev/null
+++ b/plat/arm/common/arm_console.c
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#include <assert.h>
+#include <console.h>
+#include <debug.h>
+#include <pl011.h>
+#include <plat_arm.h>
+#include <platform_def.h>
+
+/*******************************************************************************
+ * Functions that set up the console
+ ******************************************************************************/
+#if MULTI_CONSOLE_API
+static console_pl011_t arm_boot_console;
+static console_pl011_t arm_runtime_console;
+#endif
+
+/* Initialize the console to provide early debug support */
+void arm_console_boot_init(void)
+{
+#if MULTI_CONSOLE_API
+	int rc = console_pl011_register(PLAT_ARM_BOOT_UART_BASE,
+					PLAT_ARM_BOOT_UART_CLK_IN_HZ,
+					ARM_CONSOLE_BAUDRATE,
+					&arm_boot_console);
+	if (rc == 0) {
+		/*
+		 * The crash console doesn't use the multi console API, it uses
+		 * the core console functions directly. It is safe to call panic
+		 * and let it print debug information.
+		 */
+		panic();
+	}
+
+	console_set_scope(&arm_boot_console.console, CONSOLE_FLAG_BOOT);
+#else
+	(void)console_init(PLAT_ARM_BOOT_UART_BASE,
+			   PLAT_ARM_BOOT_UART_CLK_IN_HZ,
+			   ARM_CONSOLE_BAUDRATE);
+#endif /* MULTI_CONSOLE_API */
+}
+
+void arm_console_boot_end(void)
+{
+	(void)console_flush();
+
+#if MULTI_CONSOLE_API
+	(void)console_unregister(&arm_boot_console.console);
+#else
+	console_uninit();
+#endif /* MULTI_CONSOLE_API */
+}
+
+/* Initialize the runtime console */
+void arm_console_runtime_init(void)
+{
+#if MULTI_CONSOLE_API
+	int rc = console_pl011_register(PLAT_ARM_BL31_RUN_UART_BASE,
+					PLAT_ARM_BL31_RUN_UART_CLK_IN_HZ,
+					ARM_CONSOLE_BAUDRATE,
+					&arm_runtime_console);
+	if (rc == 0)
+		panic();
+
+	console_set_scope(&arm_runtime_console.console, CONSOLE_FLAG_RUNTIME);
+#else
+	(void)console_init(PLAT_ARM_BL31_RUN_UART_BASE,
+			   PLAT_ARM_BL31_RUN_UART_CLK_IN_HZ,
+			   ARM_CONSOLE_BAUDRATE);
+#endif /* MULTI_CONSOLE_API */
+}
+
+void arm_console_runtime_end(void)
+{
+	(void)console_flush();
+
+#if MULTI_CONSOLE_API
+	(void)console_unregister(&arm_runtime_console.console);
+#else
+	console_uninit();
+#endif /* MULTI_CONSOLE_API */
+}
diff --git a/plat/arm/common/arm_pm.c b/plat/arm/common/arm_pm.c
index 44ac5b5d6..4632099e7 100644
--- a/plat/arm/common/arm_pm.c
+++ b/plat/arm/common/arm_pm.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -8,7 +8,6 @@
 #include <arm_def.h>
 #include <arm_gic.h>
 #include <assert.h>
-#include <console.h>
 #include <errno.h>
 #include <plat_arm.h>
 #include <platform.h>
@@ -160,6 +159,12 @@ void arm_system_pwr_domain_save(void)
 	plat_arm_gic_save();
 
 	/*
+	 * Unregister console now so that it is not registered for a second
+	 * time during resume.
+	 */
+	arm_console_runtime_end();
+
+	/*
 	 * All the other peripheral which are configured by ARM TF are
 	 * re-initialized on resume from system suspend. Hence we
 	 * don't save their state here.
@@ -174,8 +179,8 @@ void arm_system_pwr_domain_save(void)
  *****************************************************************************/
 void arm_system_pwr_domain_resume(void)
 {
-	console_init(PLAT_ARM_BL31_RUN_UART_BASE, PLAT_ARM_BL31_RUN_UART_CLK_IN_HZ,
-						ARM_CONSOLE_BAUDRATE);
+	/* Initialize the console */
+	arm_console_runtime_init();
 
 	/* Assert system power domain is available on the platform */
 	assert(PLAT_MAX_PWR_LVL >= ARM_PWR_LVL2);
diff --git a/plat/arm/common/tsp/arm_tsp_setup.c b/plat/arm/common/tsp/arm_tsp_setup.c
index abeaea0bc..16125ad4f 100644
--- a/plat/arm/common/tsp/arm_tsp_setup.c
+++ b/plat/arm/common/tsp/arm_tsp_setup.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -7,6 +7,8 @@
 #include <arm_def.h>
 #include <bl_common.h>
 #include <console.h>
+#include <debug.h>
+#include <pl011.h>
 #include <plat_arm.h>
 #include <platform_def.h>
 #include <platform_tsp.h>
@@ -22,14 +24,30 @@
 /*******************************************************************************
  * Initialize the UART
  ******************************************************************************/
+#if MULTI_CONSOLE_API
+static console_pl011_t arm_tsp_runtime_console;
+#endif
+
 void arm_tsp_early_platform_setup(void)
 {
+#if MULTI_CONSOLE_API
 	/*
 	 * Initialize a different console than already in use to display
 	 * messages from TSP
 	 */
+	int rc = console_pl011_register(PLAT_ARM_TSP_UART_BASE,
+					PLAT_ARM_TSP_UART_CLK_IN_HZ,
+					ARM_CONSOLE_BAUDRATE,
+					&arm_tsp_runtime_console);
+	if (rc == 0)
+		panic();
+
+	console_set_scope(&arm_tsp_runtime_console.console,
+			  CONSOLE_FLAG_BOOT | CONSOLE_FLAG_RUNTIME);
+#else
 	console_init(PLAT_ARM_TSP_UART_BASE, PLAT_ARM_TSP_UART_CLK_IN_HZ,
 			ARM_CONSOLE_BAUDRATE);
+#endif /* MULTI_CONSOLE_API */
 }
 
 void tsp_early_platform_setup(void)
diff --git a/plat/common/plat_bl1_common.c b/plat/common/plat_bl1_common.c
index 4b1f23349..c5bbe7438 100644
--- a/plat/common/plat_bl1_common.c
+++ b/plat/common/plat_bl1_common.c
@@ -107,7 +107,8 @@ int bl1_plat_handle_post_image_load(unsigned int image_id)
 #if LOAD_IMAGE_V2
 	bl2_tzram_layout = (meminfo_t *) bl1_tzram_layout->total_base;
 #else
-	bl2_tzram_layout = (meminfo_t *) bl1_tzram_layout->free_base;
+	bl2_tzram_layout = (meminfo_t *) round_up(bl1_tzram_layout->free_base,
+						  sizeof(uint64_t));
 #endif /* LOAD_IMAGE_V2 */
 
 #if !ERROR_DEPRECATED