Merge pull request #895 from vwadekar/tegra186-platform-support-v5
Tegra186 platform support v5
diff --git a/bl1/bl1_main.c b/bl1/bl1_main.c
index 90c06af..89664cd 100644
--- a/bl1/bl1_main.c
+++ b/bl1/bl1_main.c
@@ -34,6 +34,7 @@
#include <auth_mod.h>
#include <bl1.h>
#include <bl_common.h>
+#include <console.h>
#include <debug.h>
#include <errata_report.h>
#include <platform.h>
@@ -166,6 +167,8 @@
NOTICE("BL1-FWU: *******FWU Process Started*******\n");
bl1_prepare_next_image(image_id);
+
+ console_flush();
}
/*******************************************************************************
diff --git a/bl2/bl2_main.c b/bl2/bl2_main.c
index 514c005..d187f2e 100644
--- a/bl2/bl2_main.c
+++ b/bl2/bl2_main.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2013-2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2017, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -32,6 +32,7 @@
#include <auth_mod.h>
#include <bl1.h>
#include <bl_common.h>
+#include <console.h>
#include <debug.h>
#include <platform.h>
#include "bl2_private.h"
@@ -69,6 +70,8 @@
disable_mmu_icache_secure();
#endif /* AARCH32 */
+ console_flush();
+
/*
* Run next BL image via an SMC to BL1. Information on how to pass
* control to the BL32 (if present) and BL33 software images will
diff --git a/bl2u/bl2u_main.c b/bl2u/bl2u_main.c
index 515ddfb..3ed5be7 100644
--- a/bl2u/bl2u_main.c
+++ b/bl2u/bl2u_main.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -34,6 +34,7 @@
#include <auth_mod.h>
#include <bl_common.h>
#include <bl1.h>
+#include <console.h>
#include <debug.h>
#include <platform.h>
#include <platform_def.h>
@@ -63,6 +64,8 @@
/* Perform platform setup in BL2U after loading SCP_BL2U */
bl2u_platform_setup();
+ console_flush();
+
/*
* Indicate that BL2U is done and resume back to
* normal world via an SMC to BL1.
diff --git a/bl31/aarch64/crash_reporting.S b/bl31/aarch64/crash_reporting.S
index 8e60386..c6d5c6c 100644
--- a/bl31/aarch64/crash_reporting.S
+++ b/bl31/aarch64/crash_reporting.S
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2014-2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2014-2017, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -349,6 +349,8 @@
/* Print some platform registers */
plat_crash_print_regs
+ bl plat_crash_console_flush
+
/* Done reporting */
no_ret plat_panic_handler
endfunc do_crash_reporting
diff --git a/bl31/bl31_main.c b/bl31/bl31_main.c
index 85b3ea1..c74b72b 100644
--- a/bl31/bl31_main.c
+++ b/bl31/bl31_main.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2013-2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2017, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -33,6 +33,7 @@
#include <assert.h>
#include <bl_common.h>
#include <bl31.h>
+#include <console.h>
#include <context_mgmt.h>
#include <debug.h>
#include <platform.h>
@@ -129,6 +130,8 @@
*/
bl31_prepare_next_image_entry();
+ console_flush();
+
/*
* Perform any platform specific runtime setup prior to cold boot exit
* from BL31
diff --git a/common/aarch32/debug.S b/common/aarch32/debug.S
index ecf9faf..77298a1 100644
--- a/common/aarch32/debug.S
+++ b/common/aarch32/debug.S
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -70,9 +70,12 @@
/* Print new line */
ldr r4, =panic_end
bl asm_print_str
+
+ bl plat_crash_console_flush
+
1:
mov lr, r6
- b plat_panic_handler
+ no_ret plat_panic_handler
endfunc do_panic
/***********************************************************
@@ -140,6 +143,9 @@
udiv r5, r5, r6 /* Reduce divisor */
cmp r5, #0
bne dec_print_loop
+
+ bl plat_crash_console_flush
+
1:
no_ret plat_panic_handler
endfunc asm_assert
diff --git a/common/aarch64/debug.S b/common/aarch64/debug.S
index 9dd53ca..fb6924e 100644
--- a/common/aarch64/debug.S
+++ b/common/aarch64/debug.S
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2014-2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2014-2017, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -96,8 +96,9 @@
b.ne _assert_loop
mov x4, x6
asm_print_line_dec
+ bl plat_crash_console_flush
_assert_loop:
- b _assert_loop
+ no_ret plat_panic_handler
endfunc asm_assert
#endif
@@ -187,6 +188,8 @@
sub x4, x4, #4
bl asm_print_hex
+ bl plat_crash_console_flush
+
_panic_handler:
/* Pass to plat_panic_handler the address from where el3_panic was
* called, not the address of the call from el3_panic. */
diff --git a/docs/porting-guide.md b/docs/porting-guide.md
index 690f307..0189ec4 100644
--- a/docs/porting-guide.md
+++ b/docs/porting-guide.md
@@ -2242,6 +2242,17 @@
x2 to do its work. The parameter and the return value are in general purpose
register x0.
+### Function : plat_crash_console_flush
+
+ Argument : void
+ Return : int
+
+This API is used by the crash reporting mechanism to force write of all buffered
+data on the designated crash console. It should only use general purpose
+registers x0 and x1 to do its work. The return value is 0 on successful
+completion; otherwise the return value is -1.
+
+
4. Build flags
---------------
diff --git a/drivers/arm/pl011/aarch32/pl011_console.S b/drivers/arm/pl011/aarch32/pl011_console.S
index 5b73528..6c4046a 100644
--- a/drivers/arm/pl011/aarch32/pl011_console.S
+++ b/drivers/arm/pl011/aarch32/pl011_console.S
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -40,6 +40,7 @@
.globl console_core_init
.globl console_core_putc
.globl console_core_getc
+ .globl console_core_flush
/* -----------------------------------------------
@@ -158,3 +159,29 @@
mov r0, #-1
bx lr
endfunc console_core_getc
+
+ /* ---------------------------------------------
+ * int console_core_flush(uintptr_t base_addr)
+ * Function to force a write of all buffered
+ * data that hasn't been output.
+ * In : r0 - console base address
+ * Out : return -1 on error else return 0.
+ * Clobber list : r0, r1
+ * ---------------------------------------------
+ */
+func console_core_flush
+ cmp r0, #0
+ beq flush_error
+
+1:
+ /* Loop while the transmit FIFO is busy */
+ ldr r1, [r0, #UARTFR]
+ tst r1, #PL011_UARTFR_BUSY
+ bne 1b
+
+ mov r0, #0
+ bx lr
+flush_error:
+ mov r0, #-1
+ bx lr
+endfunc console_core_flush
diff --git a/drivers/arm/pl011/aarch64/pl011_console.S b/drivers/arm/pl011/aarch64/pl011_console.S
index 11e3df7..1103008 100644
--- a/drivers/arm/pl011/aarch64/pl011_console.S
+++ b/drivers/arm/pl011/aarch64/pl011_console.S
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2013-2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2017, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -41,6 +41,7 @@
.globl console_core_init
.globl console_core_putc
.globl console_core_getc
+ .globl console_core_flush
/* -----------------------------------------------
@@ -151,3 +152,27 @@
mov w0, #-1
ret
endfunc console_core_getc
+
+ /* ---------------------------------------------
+ * int console_core_flush(uintptr_t base_addr)
+ * Function to force a write of all buffered
+ * data that hasn't been output.
+ * In : x0 - console base address
+ * Out : return -1 on error else return 0.
+ * Clobber list : x0, x1
+ * ---------------------------------------------
+ */
+func console_core_flush
+ cbz x0, flush_error
+
+1:
+ /* Loop until the transmit FIFO is empty */
+ ldr w1, [x0, #UARTFR]
+ tbnz w1, #PL011_UARTFR_BUSY_BIT, 1b
+
+ mov w0, #0
+ ret
+flush_error:
+ mov w0, #-1
+ ret
+endfunc console_core_flush
diff --git a/drivers/cadence/uart/aarch64/cdns_console.S b/drivers/cadence/uart/aarch64/cdns_console.S
index 2c7960d..e16646e 100644
--- a/drivers/cadence/uart/aarch64/cdns_console.S
+++ b/drivers/cadence/uart/aarch64/cdns_console.S
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -31,9 +31,10 @@
#include <asm_macros.S>
#include <cadence/cdns_uart.h>
- .globl console_core_init
- .globl console_core_putc
- .globl console_core_getc
+ .globl console_core_init
+ .globl console_core_putc
+ .globl console_core_getc
+ .globl console_core_flush
/* -----------------------------------------------
* int console_core_init(unsigned long base_addr,
@@ -125,3 +126,18 @@
mov w0, #-1
ret
endfunc console_core_getc
+
+ /* ---------------------------------------------
+ * int console_core_flush(uintptr_t base_addr)
+ * Function to force a write of all buffered
+ * data that hasn't been output.
+ * In : x0 - console base address
+ * Out : return -1 on error else return 0.
+ * Clobber list : x0, x1
+ * ---------------------------------------------
+ */
+func console_core_flush
+ /* Placeholder */
+ mov w0, #0
+ ret
+endfunc console_core_flush
diff --git a/drivers/console/aarch32/console.S b/drivers/console/aarch32/console.S
index 2993345..6f85a21 100644
--- a/drivers/console/aarch32/console.S
+++ b/drivers/console/aarch32/console.S
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -33,6 +33,7 @@
.globl console_uninit
.globl console_putc
.globl console_getc
+ .globl console_flush
/*
* The console base is in the data section and not in .bss
@@ -112,3 +113,18 @@
ldr r0, [r1]
b console_core_getc
endfunc console_getc
+
+ /* ---------------------------------------------
+ * int console_flush(void)
+ * Function to force a write of all buffered
+ * data that hasn't been output. It returns 0
+ * upon successful completion, otherwise it
+ * returns -1.
+ * Clobber list : r0, r1
+ * ---------------------------------------------
+ */
+func console_flush
+ ldr r1, =console_base
+ ldr r0, [r1]
+ b console_core_flush
+endfunc console_flush
diff --git a/drivers/console/aarch32/skeleton_console.S b/drivers/console/aarch32/skeleton_console.S
index 383874e..0b60bc7 100644
--- a/drivers/console/aarch32/skeleton_console.S
+++ b/drivers/console/aarch32/skeleton_console.S
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -38,6 +38,7 @@
.globl console_core_init
.globl console_core_putc
.globl console_core_getc
+ .globl console_core_flush
/* -----------------------------------------------
* int console_core_init(uintptr_t base_addr,
@@ -109,3 +110,23 @@
mov r0, #-1
bx lr
endfunc console_core_getc
+
+ /* ---------------------------------------------
+ * int console_core_flush(uintptr_t base_addr)
+ * Function to force a write of all buffered
+ * data that hasn't been output.
+ * In : r0 - console base address
+ * Out : return -1 on error else return 0.
+ * Clobber list : r0, r1
+ * ---------------------------------------------
+ */
+func console_core_flush
+ cmp r0, #0
+ beq flush_error
+ /* Insert implementation here */
+ mov r0, #0
+ bx lr
+flush_error:
+ mov r0, #-1
+ bx lr
+endfunc console_core_flush
diff --git a/drivers/console/aarch64/console.S b/drivers/console/aarch64/console.S
index bdd5f4c..cd6579c 100644
--- a/drivers/console/aarch64/console.S
+++ b/drivers/console/aarch64/console.S
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2015-2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -33,6 +33,7 @@
.globl console_uninit
.globl console_putc
.globl console_getc
+ .globl console_flush
/*
* The console base is in the data section and not in .bss
@@ -111,3 +112,18 @@
ldr x0, [x1, :lo12:console_base]
b console_core_getc
endfunc console_getc
+
+ /* ---------------------------------------------
+ * int console_flush(void)
+ * Function to force a write of all buffered
+ * data that hasn't been output. It returns 0
+ * upon successful completion, otherwise it
+ * returns -1.
+ * Clobber list : x0, x1
+ * ---------------------------------------------
+ */
+func console_flush
+ adrp x1, console_base
+ ldr x0, [x1, :lo12:console_base]
+ b console_core_flush
+endfunc console_flush
diff --git a/drivers/console/aarch64/skeleton_console.S b/drivers/console/aarch64/skeleton_console.S
index 1583ee7..01a4267 100644
--- a/drivers/console/aarch64/skeleton_console.S
+++ b/drivers/console/aarch64/skeleton_console.S
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2015-2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -38,6 +38,7 @@
.globl console_core_init
.globl console_core_putc
.globl console_core_getc
+ .globl console_core_flush
/* -----------------------------------------------
* int console_core_init(uintptr_t base_addr,
@@ -104,3 +105,22 @@
mov w0, #-1
ret
endfunc console_core_getc
+
+ /* ---------------------------------------------
+ * int console_core_flush(uintptr_t base_addr)
+ * Function to force a write of all buffered
+ * data that hasn't been output.
+ * In : x0 - console base address
+ * Out : return -1 on error else return 0.
+ * Clobber list : x0, x1
+ * ---------------------------------------------
+ */
+func console_core_flush
+ cbz x0, flush_error
+ /* Insert implementation here */
+ mov w0, #0
+ ret
+flush_error:
+ mov w0, #-1
+ ret
+endfunc console_core_flush
diff --git a/drivers/ti/uart/aarch64/16550_console.S b/drivers/ti/uart/aarch64/16550_console.S
index 8466482..489fcbe 100644
--- a/drivers/ti/uart/aarch64/16550_console.S
+++ b/drivers/ti/uart/aarch64/16550_console.S
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2015-2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -35,6 +35,7 @@
.globl console_core_init
.globl console_core_putc
.globl console_core_getc
+ .globl console_core_flush
/* -----------------------------------------------
* int console_core_init(unsigned long base_addr,
@@ -153,3 +154,18 @@
mov w0, #-1
ret
endfunc console_core_getc
+
+ /* ---------------------------------------------
+ * int console_core_flush(uintptr_t base_addr)
+ * Function to force a write of all buffered
+ * data that hasn't been output.
+ * In : x0 - console base address
+ * Out : return -1 on error else return 0.
+ * Clobber list : x0, x1
+ * ---------------------------------------------
+ */
+func console_core_flush
+ /* Placeholder */
+ mov w0, #0
+ ret
+endfunc console_core_flush
diff --git a/include/drivers/console.h b/include/drivers/console.h
index 69ad0bd..e6e3a1c 100644
--- a/include/drivers/console.h
+++ b/include/drivers/console.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2017, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -38,6 +38,7 @@
void console_uninit(void);
int console_putc(int c);
int console_getc(void);
+int console_flush(void);
#endif /* __CONSOLE_H__ */
diff --git a/include/plat/common/platform.h b/include/plat/common/platform.h
index f13b30d..ddb1cab 100644
--- a/include/plat/common/platform.h
+++ b/include/plat/common/platform.h
@@ -100,6 +100,7 @@
void plat_report_exception(unsigned int exception_type);
int plat_crash_console_init(void);
int plat_crash_console_putc(int c);
+int plat_crash_console_flush(void);
void plat_error_handler(int err) __dead2;
void plat_panic_handler(void) __dead2;
diff --git a/lib/psci/psci_system_off.c b/lib/psci/psci_system_off.c
index de9ec64..eb3e7fb 100644
--- a/lib/psci/psci_system_off.c
+++ b/lib/psci/psci_system_off.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2014-2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2014-2017, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -31,6 +31,7 @@
#include <stddef.h>
#include <arch_helpers.h>
#include <assert.h>
+#include <console.h>
#include <debug.h>
#include <platform.h>
#include "psci_private.h"
@@ -46,6 +47,8 @@
psci_spd_pm->svc_system_off();
}
+ console_flush();
+
/* Call the platform specific hook */
psci_plat_pm_ops->system_off();
@@ -63,6 +66,8 @@
psci_spd_pm->svc_system_reset();
}
+ console_flush();
+
/* Call the platform specific hook */
psci_plat_pm_ops->system_reset();
diff --git a/lib/stdlib/assert.c b/lib/stdlib/assert.c
index 90a1afe..3486e50 100644
--- a/lib/stdlib/assert.c
+++ b/lib/stdlib/assert.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2017, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -28,7 +28,9 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
+#include <console.h>
#include <debug.h>
+#include <platform.h>
/*
* This is a basic implementation. This could be improved.
@@ -37,5 +39,8 @@
const char *assertion)
{
tf_printf("ASSERT: %s <%d> : %s\n", function, line, assertion);
- while(1);
+
+ console_flush();
+
+ plat_panic_handler();
}
diff --git a/plat/arm/common/aarch32/arm_helpers.S b/plat/arm/common/aarch32/arm_helpers.S
index 5d238ec..51e5ee9 100644
--- a/plat/arm/common/aarch32/arm_helpers.S
+++ b/plat/arm/common/aarch32/arm_helpers.S
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -31,9 +31,10 @@
#include <platform_def.h>
.weak plat_arm_calc_core_pos
- .weak plat_crash_console_init
- .weak plat_crash_console_putc
.weak plat_my_core_pos
+ .globl plat_crash_console_init
+ .globl plat_crash_console_putc
+ .globl plat_crash_console_flush
/* -----------------------------------------------------
* unsigned int plat_my_core_pos(void)
@@ -85,3 +86,16 @@
ldr r1, =PLAT_ARM_CRASH_UART_BASE
b console_core_putc
endfunc plat_crash_console_putc
+
+ /* ---------------------------------------------
+ * int plat_crash_console_flush()
+ * Function to force a write of all buffered
+ * data that hasn't been output.
+ * Out : return -1 on error else return 0.
+ * Clobber list : r0 - r1
+ * ---------------------------------------------
+ */
+func plat_crash_console_flush
+ ldr r1, =PLAT_ARM_CRASH_UART_BASE
+ b console_core_flush
+endfunc plat_crash_console_flush
diff --git a/plat/arm/common/aarch64/arm_helpers.S b/plat/arm/common/aarch64/arm_helpers.S
index d782020..60ff834 100644
--- a/plat/arm/common/aarch64/arm_helpers.S
+++ b/plat/arm/common/aarch64/arm_helpers.S
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2015-2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -34,6 +34,7 @@
.weak plat_my_core_pos
.globl plat_crash_console_init
.globl plat_crash_console_putc
+ .globl plat_crash_console_flush
.globl platform_mem_init
@@ -88,6 +89,19 @@
b console_core_putc
endfunc plat_crash_console_putc
+ /* ---------------------------------------------
+ * int plat_crash_console_flush()
+ * Function to force a write of all buffered
+ * data that hasn't been output.
+ * Out : return -1 on error else return 0.
+ * Clobber list : r0 - r1
+ * ---------------------------------------------
+ */
+func plat_crash_console_flush
+ mov_imm x1, PLAT_ARM_CRASH_UART_BASE
+ b console_core_flush
+endfunc plat_crash_console_flush
+
/* ---------------------------------------------------------------------
* We don't need to carry out any memory initialization on ARM
* platforms. The Secure RAM is accessible straight away.
diff --git a/plat/common/aarch32/platform_helpers.S b/plat/common/aarch32/platform_helpers.S
index 802e1fe..357719b 100644
--- a/plat/common/aarch32/platform_helpers.S
+++ b/plat/common/aarch32/platform_helpers.S
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -31,6 +31,9 @@
#include <arch.h>
#include <asm_macros.S>
+ .weak plat_crash_console_init
+ .weak plat_crash_console_putc
+ .weak plat_crash_console_flush
.weak plat_reset_handler
.weak plat_disable_acp
.weak platform_mem_init
@@ -41,6 +44,35 @@
* each platform.
* -----------------------------------------------------
*/
+func plat_crash_console_init
+ mov r0, #0
+ bx lr
+endfunc plat_crash_console_init
+
+ /* -----------------------------------------------------
+ * Placeholder function which should be redefined by
+ * each platform.
+ * -----------------------------------------------------
+ */
+func plat_crash_console_putc
+ bx lr
+endfunc plat_crash_console_putc
+
+ /* -----------------------------------------------------
+ * Placeholder function which should be redefined by
+ * each platform.
+ * -----------------------------------------------------
+ */
+func plat_crash_console_flush
+ mov r0, #0
+ bx lr
+endfunc plat_crash_console_flush
+
+ /* -----------------------------------------------------
+ * Placeholder function which should be redefined by
+ * each platform.
+ * -----------------------------------------------------
+ */
func plat_reset_handler
bx lr
endfunc plat_reset_handler
diff --git a/plat/common/aarch64/platform_helpers.S b/plat/common/aarch64/platform_helpers.S
index 68bda22..ce47738 100644
--- a/plat/common/aarch64/platform_helpers.S
+++ b/plat/common/aarch64/platform_helpers.S
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2013-2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2017, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -35,6 +35,7 @@
.weak plat_report_exception
.weak plat_crash_console_init
.weak plat_crash_console_putc
+ .weak plat_crash_console_flush
.weak plat_reset_handler
.weak plat_disable_acp
.weak bl1_plat_prepare_exit
@@ -98,6 +99,15 @@
/* -----------------------------------------------------
* Placeholder function which should be redefined by
+ * each platform.
+ * -----------------------------------------------------
+ */
+func plat_crash_console_flush
+ ret
+endfunc plat_crash_console_flush
+
+ /* -----------------------------------------------------
+ * Placeholder function which should be redefined by
* each platform. This function should preserve x19 - x29.
* -----------------------------------------------------
*/
diff --git a/plat/mediatek/common/drivers/uart/8250_console.S b/plat/mediatek/common/drivers/uart/8250_console.S
index 5b0ae6d..8da248c 100644
--- a/plat/mediatek/common/drivers/uart/8250_console.S
+++ b/plat/mediatek/common/drivers/uart/8250_console.S
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -33,6 +33,7 @@
.globl console_core_init
.globl console_core_putc
.globl console_core_getc
+ .globl console_core_flush
/* -----------------------------------------------
* int console_core_init(unsigned long base_addr,
@@ -170,3 +171,18 @@
mov w0, #-1
ret
endfunc console_core_getc
+
+ /* ---------------------------------------------
+ * int console_core_flush(uintptr_t base_addr)
+ * Function to force a write of all buffered
+ * data that hasn't been output.
+ * In : x0 - console base address
+ * Out : return -1 on error else return 0.
+ * Clobber list : x0, x1
+ * ---------------------------------------------
+ */
+func console_core_flush
+ /* Placeholder */
+ mov w0, #0
+ ret
+endfunc console_core_flush
diff --git a/plat/xilinx/zynqmp/platform.mk b/plat/xilinx/zynqmp/platform.mk
index 9d612dc..044d9c9 100644
--- a/plat/xilinx/zynqmp/platform.mk
+++ b/plat/xilinx/zynqmp/platform.mk
@@ -27,6 +27,7 @@
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
+override ERRATA_A53_855873 := 1
override ENABLE_PLAT_COMPAT := 0
override PROGRAMMABLE_RESET_ADDRESS := 1
PSCI_EXTENDED_STATE_ID := 1