Specify BL31 runtime console for ARM Standard platforms
This patch overrides the default weak definition of
`bl31_plat_runtime_setup()` for ARM Standard platforms to
specify a BL31 runtime console. ARM Standard platforms are
now expected to define `PLAT_ARM_BL31_RUN_UART_BASE` and
`PLAT_ARM_BL31_RUN_UART_CLK_IN_HZ` macros which is required
by `arm_bl31_plat_runtime_setup()` to initialize the runtime
console.
The system suspend resume helper `arm_system_pwr_domain_resume()`
is fixed to initialize the runtime console rather than the boot
console on resumption from system suspend.
Fixes ARM-software/tf-issues#220
Change-Id: I80eafe5b6adcfc7f1fdf8b99659aca1c64d96975
diff --git a/docs/porting-guide.md b/docs/porting-guide.md
index 2f71d80..ba550f0 100644
--- a/docs/porting-guide.md
+++ b/docs/porting-guide.md
@@ -1182,6 +1182,10 @@
implementation of this function will invoke `console_uninit()` which will
suppress any BL31 runtime logs.
+In ARM Standard platforms, this function will initialize the BL31 runtime
+console which will cause all further BL31 logs to be output to the
+runtime console.
+
### Function : bl31_get_next_image_info() [mandatory]