xen/arm: Add early printk support for SCIFA compatible UARTs
authorOleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
Thu, 2 May 2019 17:00:22 +0000 (20:00 +0300)
committerJulien Grall <julien.grall@arm.com>
Thu, 16 May 2019 15:44:08 +0000 (16:44 +0100)
commitca135a4863ffeedca451651835fcd9aef6c872ff
tree4bb9ae314f415a1d81e49e81db5510edc34fd126
parent89a97016305b617b77cea9c4518f76f2e7e84e19
xen/arm: Add early printk support for SCIFA compatible UARTs

This patch makes possible to use existing early prink code
for Renesas "Stout" board based on R-Car H2 SoC (SCIFA).

The "EARLY_PRINTK_VERSION" for that board should be 'A':
CONFIG_EARLY_PRINTK=scif,0xe6c40000,A

Signed-off-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
Acked-by: Julien Grall <julien.grall@arm.com>
xen/arch/arm/arm32/debug-scif.inc