[U-Boot] [PATCH v2 8/8] board: am335x: Allow to choose serial device dynamically

Tom Rini trini at konsulko.com
Tue May 17 13:26:37 CEST 2016


On Tue, May 17, 2016 at 09:49:53AM +0530, Lokesh Vutla wrote:
> 
> 
> On 5/17/2016 6:11 AM, Tom Rini wrote:
> >On Mon, May 16, 2016 at 11:47:29AM +0530, Lokesh Vutla wrote:
> >
> >>Different AM335x based platforms have different serial consoles. As serial
> >>console is Kconfig option a separate defconfig has to be created for each
> >>platform. So pass the serial device dynamically.
> >>
> >>Signed-off-by: Lokesh Vutla <lokeshvutla at ti.com>
> >>---
> >>Changes since v1:
> >>- New patch.
> >>  board/ti/am335x/board.c | 11 +++++++++++
> >>  include/serial.h        |  4 ++++
> >>  2 files changed, 15 insertions(+)
> >>
> >>diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c
> >>index ff52314..56f4984 100644
> >>--- a/board/ti/am335x/board.c
> >>+++ b/board/ti/am335x/board.c
> >>@@ -11,6 +11,7 @@
> >>  #include <common.h>
> >>  #include <errno.h>
> >>  #include <spl.h>
> >>+#include <serial.h>
> >>  #include <asm/arch/cpu.h>
> >>  #include <asm/arch/hardware.h>
> >>  #include <asm/arch/omap.h>
> >>@@ -59,6 +60,16 @@ static inline int __maybe_unused read_eeprom(void)
> >>  	return ti_i2c_eeprom_am_get(-1, CONFIG_SYS_I2C_EEPROM_ADDR);
> >>  }
> >>
> >>+#ifndef CONFIG_DM_SERIAL
> >>+struct serial_device *default_serial_console(void)
> >>+{
> >>+	if (board_is_icev2())
> >>+		return &eserial4_device;
> >>+	else
> >>+		return &eserial1_device;
> >>+}
> >>+#endif
> >>+
> >>  #ifndef CONFIG_SKIP_LOWLEVEL_INIT
> >>  static const struct ddr_data ddr2_data = {
> >>  	.datardsratio0 = MT47H128M16RT25E_RD_DQS,
> >
> >... so in the DM case we're already handling this correctly?  Can't we
> 
> With DM+DT we are handling it correctly which is only in U-Boot.
> This part of code is meant for only SPL(DM_* is not yet enabled in
> SPL).

... aren't we in the middle of doing this conversion 'tho?

-- 
Tom
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