xen: arm64: Add 8250 earlyprintk support
Extracted from "Basic Platform support for APM X-Gene Storm."
Signed-off-by: Anup Patel <anup.patel@linaro.org>
Signed-off-by: Pranavkumar Sawargaonkar <pranavkumar@linaro.org>
Reworked into generic 8250 driver, use EARLY_UART_REG_SHIFT.
While there observe a missing shift in the arm32 version (UART_THR is zero so
it doesn't really matter). Changed for consistency.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Julien Grall <julien.grall@linaro.org>
projects / xen.git / commit