[U-Boot] [PATCH v1 2/2] blackfin: bf609: add softswitch config command
Tom Rini
trini at ti.com
Mon May 13 23:46:43 CEST 2013
On Sat, May 11, 2013 at 10:50:23PM +0800, Sonic Zhang wrote:
> Hi Tom
>
>
> On Wed, Feb 27, 2013 at 4:37 PM, Sonic Zhang <sonic.adi at gmail.com> wrote:
> > From: Bob Liu <lliubbo at gmail.com>
> >
> > Add softswitch_output command for bf609-ezkit to enable softswitches.
> >
> > Signed-off-by: Bob Liu <lliubbo at gmail.com>
> > Signed-off-by: Sonic Zhang <sonic.zhang at analog.com>
> > ---
> > arch/blackfin/include/asm/soft_switch.h | 18 +++++++++++++
> > board/bf609-ezkit/soft_switch.c | 11 +-------
> > board/bf609-ezkit/soft_switch.h | 25 +++++++++++++------
> > common/Makefile | 1 +
> > common/cmd_softswitch.c | 41 +++++++++++++++++++++++++++++++
> > include/configs/bf609-ezkit.h | 1 +
> > 6 files changed, 79 insertions(+), 18 deletions(-)
> > create mode 100644 arch/blackfin/include/asm/soft_switch.h
> > create mode 100644 common/cmd_softswitch.c
> >
> > diff --git a/arch/blackfin/include/asm/soft_switch.h b/arch/blackfin/include/asm/soft_switch.h
> > new file mode 100644
> > index 0000000..ff8e44d
> > --- /dev/null
> > +++ b/arch/blackfin/include/asm/soft_switch.h
> > @@ -0,0 +1,18 @@
> > +/*
> > + * U-boot - main board file
> > + *
> > + * Copyright (c) 2008-2012 Analog Devices Inc.
> > + *
> > + * Licensed under the GPL-2 or later.
> > + */
> > +
> > +#ifndef __SOFT_SWITCH_H__
> > +#define __SOFT_SWITCH_H__
> > +
> > +#define IO_PORT_A 0
> > +#define IO_PORT_B 1
> > +#define IO_PORT_INPUT 0
> > +#define IO_PORT_OUTPUT 1
> > +
> > +int config_switch_bit(int num, int port, int bit, int dir, uchar value);
> > +#endif
> > diff --git a/board/bf609-ezkit/soft_switch.c b/board/bf609-ezkit/soft_switch.c
> > index 2e1404f..e0c8d93 100644
> > --- a/board/bf609-ezkit/soft_switch.c
> > +++ b/board/bf609-ezkit/soft_switch.c
> > @@ -12,14 +12,6 @@
> > #include <i2c.h>
> > #include "soft_switch.h"
> >
> > -#define SWITCH_ADDR 0x21
> > -
> > -#define NUM_SWITCH 3
> > -#define IODIRA 0x0
> > -#define IODIRB 0x1
> > -#define OLATA 0x14
> > -#define OLATB 0x15
> > -
> > struct switch_config {
> > uchar dir0; /* IODIRA */
> > uchar dir1; /* IODIRB */
> > @@ -126,9 +118,8 @@ static int setup_soft_switch(int addr, struct switch_config *config)
> > return i2c_write(addr, IODIRB, 1, &config->dir1, 1);
> > }
> >
> > -int config_switch_bit(int num, int port, int bit, int dir, uchar value)
> > +int config_switch_bit(int addr, int port, int bit, int dir, uchar value)
> > {
> > - int addr = SWITCH_ADDR + num;
> > int ret, data_reg, dir_reg;
> > uchar tmp;
> >
> > diff --git a/board/bf609-ezkit/soft_switch.h b/board/bf609-ezkit/soft_switch.h
> > index 8da0e44..d147fe1 100644
> > --- a/board/bf609-ezkit/soft_switch.h
> > +++ b/board/bf609-ezkit/soft_switch.h
> > @@ -6,8 +6,10 @@
> > * Licensed under the GPL-2 or later.
> > */
> >
> > -#ifndef __SOFT_SWITCH_H__
> > -#define __SOFT_SWITCH_H__
> > +#ifndef __BOARD_SOFT_SWITCH_H__
> > +#define __BOARD_SOFT_SWITCH_H__
> > +
> > +#include <asm/soft_switch.h>
> >
> > /* switch 0 port A */
> > #define CAN_EN 0x1
> > @@ -61,11 +63,18 @@
> > #define PD3_SPI0MOSI_EN 0x1
> > #define PD4_SPI0CK_EN 0x2
> >
> > -#define IO_PORT_A 0
> > -#define IO_PORT_B 1
> > -#define IO_PORT_INPUT 0
> > -#define IO_PORT_OUTPUT 1
> > +#ifdef CONFIG_BFIN_BOARD_VERSION_1_0
> > +#define SWITCH_ADDR 0x21
> > +#else
> > +#define SWITCH_ADDR 0x20
> > +#endif
> > +
> > +#define NUM_SWITCH 3
> > +#define IODIRA 0x0
> > +#define IODIRB 0x1
> > +#define OLATA 0x14
> > +#define OLATB 0x15
> >
> > -int config_switch_bit(int num, int port, int bit, int dir, uchar value);
> > int setup_board_switches(void);
> > -#endif
> > +
> > +#endif /* __BOARD_SOFT_SWITCH_H__ */
> > diff --git a/common/Makefile b/common/Makefile
> > index 54fcc81..80fee78 100644
> > --- a/common/Makefile
> > +++ b/common/Makefile
> > @@ -157,6 +157,7 @@ COBJS-$(CONFIG_CMD_SF) += cmd_sf.o
> > COBJS-$(CONFIG_CMD_SCSI) += cmd_scsi.o
> > COBJS-$(CONFIG_CMD_SHA1SUM) += cmd_sha1sum.o
> > COBJS-$(CONFIG_CMD_SETEXPR) += cmd_setexpr.o
> > +COBJS-$(CONFIG_CMD_SOFTSWITCH) += cmd_softswitch.o
> > COBJS-$(CONFIG_CMD_SPI) += cmd_spi.o
> > COBJS-$(CONFIG_CMD_SPIBOOTLDR) += cmd_spibootldr.o
> > COBJS-$(CONFIG_CMD_STRINGS) += cmd_strings.o
> > diff --git a/common/cmd_softswitch.c b/common/cmd_softswitch.c
> > new file mode 100644
> > index 0000000..f75d926
> > --- /dev/null
> > +++ b/common/cmd_softswitch.c
> > @@ -0,0 +1,41 @@
> > +/*
> > + * cmd_softswitch.c - set the softswitch for bf60x
> > + *
> > + * Copyright (c) 2012 Analog Devices Inc.
> > + *
> > + * Licensed under the GPL-2 or later.
> > + */
> > +
> > +#include <common.h>
> > +#include <command.h>
> > +#include <asm/blackfin.h>
> > +#include <asm/soft_switch.h>
> > +
> > +int do_softswitch(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
> > +{
> > + int switchaddr, value, pin, port;
> > +
> > + if (argc != 5)
> > + return CMD_RET_USAGE;
> > +
> > + if (strcmp(argv[2], "GPA") == 0)
> > + port = IO_PORT_A;
> > + else if (strcmp(argv[2], "GPB") == 0)
> > + port = IO_PORT_B;
> > + else
> > + return CMD_RET_USAGE;
> > +
> > + switchaddr = simple_strtoul(argv[1], NULL, 16);
> > + pin = simple_strtoul(argv[3], NULL, 16);
> > + value = simple_strtoul(argv[4], NULL, 16);
> > +
> > + config_switch_bit(switchaddr, port, (1 << pin), IO_PORT_OUTPUT, value);
> > +
> > + return 0;
> > +}
> > +
> > +U_BOOT_CMD(
> > + softswitch_output, 5, 1, do_softswitch,
> > + "switchaddr GPA/GPB pin_offset value",
> > + ""
> > +);
> > diff --git a/include/configs/bf609-ezkit.h b/include/configs/bf609-ezkit.h
> > index 8b90129..f0ac86b 100644
> > --- a/include/configs/bf609-ezkit.h
> > +++ b/include/configs/bf609-ezkit.h
> > @@ -144,6 +144,7 @@
> > #define CONFIG_UART_CONSOLE 0
> >
> > #define CONFIG_CMD_MEMORY
> > +#define CONFIG_CMD_SOFTSWITCH
> >
> > #define CONFIG_SYS_MEMTEST_END (CONFIG_STACKBASE - 20*1024*1024 + 4)
> > #define CONFIG_BFIN_SOFT_SWITCH
> > --
> > 1.7.0.4
>
> This is the patch that include "CONFIG_CMD_SOFTSWITCH". Is this what
> you think that I forgot to post before?
Yes, thanks. And it looks fine, aside from not updating the README.
--
Tom
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