On Thu, Feb 02, 2012 at 12:24:19PM -0700, Stephen Warren wrote: > The ports are used as follows: > UART1/A: Routed to debug dongle > UART2/B: GPS > UART3/C: Bluetooth > UART4/D: Routed to debug dongle > UART5/E: Not connected > > The debug dongle has jumpers to connect either UART1/A or UART4/D to > the DB-9 connector. UART1/A is typically used on Cardhu, and is the option > we assume here. > > For now, only enable UART1/A, and explicitly disable all other ports. > > The explicit disable prevents the message "of_serial 70006040.serial: > no clock-frequency property set" being printed during boot. > > Enabling the other ports requires their clocks to be enabled, or accesses > to the registers will hang. At present, this requires adding entries into > board-dt-tegra30.c's tegra_dt_clk_init_table[]. Lets punt on that and wait > for the common clock bindings to set this all up, although that will also > requiring adding clock support to 8250.c. > > While we're at it, fix board-dt-tegra30.c to enable the correct clock for > the debug UART. We got away with this before, because the bootloader already > enabled it. > > Signed-off-by: Stephen Warren <swarren@xxxxxxxxxx> Thanks, applied to for-3.4/t30-smp (since it depends on other changes there). -Olof -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
