arm: omap5+: Add support for early debug

For early debug, the following configs needs to be enabled:

CONFIG_DEBUG_UART=y
CONFIG_DEBUG_UART_OMAP=y
CONFIG_DEBUG_UART_CLOCK=48000000
CONFIG_DEBUG_UART_SHIFT=2
CONFIG_DEBUG_UART_ANNOUNCE=y

For DRA7xx:
CONFIG_DEBUG_UART_BASE=0x4806a000

For AM57xx:
CONFIG_DEBUG_UART_BASE=0x48020000

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
1 file changed