[PATCH 1/3] ARM: tegra: paz00: add support serial port on JP1
Marc Dietrich
marvin24 at gmx.de
Sat Jul 16 11:59:25 EDT 2011
Am Fri, 15 Jul 2011 09:39:36 -0700
schrieb Stephen Warren <swarren at nvidia.com>:
> Marc Dietrich wrote at Friday, July 15, 2011 4:24 AM:
> > UART-A is connected to JP1 and used by the bootloader for debugging
> > output while UART-D is connected to the mini-pcie expansion slot.
> >
> > Signed-off-by: Marc Dietrich <marvin24 at gmx.de>
> > ---
> > arch/arm/mach-tegra/board-paz00.c | 11 +++++++++++
> > 1 files changed, 11 insertions(+), 0 deletions(-)
> >
> > diff --git a/arch/arm/mach-tegra/board-paz00.c
> > b/arch/arm/mach-tegra/board-paz00.c index 1b076f6..931b06e 100644
> > --- a/arch/arm/mach-tegra/board-paz00.c
> > +++ b/arch/arm/mach-tegra/board-paz00.c
> > @@ -47,7 +47,17 @@
> > #include "gpio-names.h"
> >
> > static struct plat_serial8250_port debug_uart_platform_data[] = {
> > +/* serial port on JP1 */
> > {
>
> Shouldn't the indentation of the comment be aligned to the brace?
ok, seems to be the common kernel style. Will be fixed in V2.
> I'm not sure if the order of entries in the array matters. It'd
> presumably be safer to add the new UART entry to the end of the array
> so that any existing index-based number isn't changed.
yeah, it will change the numbering, but none I know of used the serial
interface of the mini-pcie and it makes some sense to have the
bootloader output on number 0.
> > + .membase = IO_ADDRESS(TEGRA_UARTA_BASE),
> > + .mapbase = TEGRA_UARTA_BASE,
> > + .irq = INT_UARTA,
> > + .flags = UPF_BOOT_AUTOCONF,
> > + .iotype = UPIO_MEM,
> > + .regshift = 2,
> > + .uartclk = 216000000,
> > + }, {
> > +/* serial port on mini-pcie */
> > .membase = IO_ADDRESS(TEGRA_UARTD_BASE),
> > .mapbase = TEGRA_UARTD_BASE,
> > .irq = INT_UARTD,
> > @@ -137,6 +147,7 @@ static void __init tegra_paz00_fixup(struct
> > machine_desc *desc,
> >
> > static __initdata struct tegra_clk_init_table
> > paz00_clk_init_table[] = { /* name
> > parent rate enabled */
> > + { "uarta", "pll_p", 216000000, true },
> > { "uartd", "pll_p", 216000000, true },
> > { NULL, NULL,
> > 0, 0}, };
> > --
> > 1.7.4.1
>
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