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    SubjectRe: [PATCHv2 07/11] mxc: Add support for the Babbage board
    On Tue, Feb 02, 2010 at 09:16:29PM -0800, Amit Kucheria wrote:
    > Babbage is a reference board from Freescale for their i.MX51 SoC.
    >
    > Boot tested on a Babbage2.5 board
    >
    > Signed-off-by: Amit Kucheria <amit.kucheria@canonical.com>
    > ---
    > arch/arm/mach-mx5/Kconfig | 6 ++
    > arch/arm/mach-mx5/Makefile | 2 +
    > arch/arm/mach-mx5/board-mx51_babbage.c | 99 +++++++++++++++++++++++++++++++
    > arch/arm/plat-mxc/include/mach/common.h | 1 +
    > 4 files changed, 108 insertions(+), 0 deletions(-)
    > create mode 100644 arch/arm/mach-mx5/board-mx51_babbage.c
    >
    > diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig
    > index ccd96fd..80a749c 100644
    > --- a/arch/arm/mach-mx5/Kconfig
    > +++ b/arch/arm/mach-mx5/Kconfig
    > @@ -8,4 +8,10 @@ config ARCH_MX51
    >
    > comment "MX5 platforms:"
    >
    > +config MACH_MX51_BABBAGE
    > + bool "Support MX51 BABBAGE platforms"
    > + help
    > + Include support for MX51 Babbage platform. This includes specific
    > + configurations for the board and its peripherals.
    > +
    > endif
    > diff --git a/arch/arm/mach-mx5/Makefile b/arch/arm/mach-mx5/Makefile
    > index d74ce4f..e4cf91f 100644
    > --- a/arch/arm/mach-mx5/Makefile
    > +++ b/arch/arm/mach-mx5/Makefile
    > @@ -5,3 +5,5 @@
    > # Object file lists.
    > obj-y := cpu.o mm.o clock.o devices.o
    >
    > +obj-$(CONFIG_MACH_MX51_BABBAGE) += board-mx51_babbage.o
    > +
    > diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c

    Uwe started to rename the board files on other i.MX platforms to
    mach-*.c. Can you do the same please?

    > new file mode 100644
    > index 0000000..6cd0e14
    > --- /dev/null
    > +++ b/arch/arm/mach-mx5/board-mx51_babbage.c
    > @@ -0,0 +1,99 @@
    > +/*
    > + * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
    > + * Copyright (C) 2009-2010 Amit Kucheria <amit.kucheria@canonical.com>
    > + *
    > + * The code contained herein is licensed under the GNU General Public
    > + * License. You may obtain a copy of the GNU General Public License
    > + * Version 2 or later at the following locations:
    > + *
    > + * http://www.opensource.org/licenses/gpl-license.html
    > + * http://www.gnu.org/copyleft/gpl.html
    > + */
    > +
    > +#include <linux/init.h>
    > +#include <linux/platform_device.h>
    > +
    > +#include <mach/common.h>
    > +#include <mach/hardware.h>
    > +#include <mach/imx-uart.h>
    > +#include <mach/iomux-mx51.h>
    > +
    > +#include <asm/irq.h>
    > +#include <asm/setup.h>
    > +#include <asm/mach-types.h>
    > +#include <asm/mach/arch.h>
    > +#include <asm/mach/time.h>
    > +
    > +#include "crm_regs.h"

    Is this needed?

    > +#include "devices.h"
    > +
    > +static struct platform_device *devices[] __initdata = {
    > + &mxc_fec_device,
    > +};
    > +
    > +static struct pad_desc mx51babbage_pads[] = {
    > + /* UART1 */
    > + MX51_BABBAGE_PAD_UART1_RXD__UART1_RXD,
    > + MX51_BABBAGE_PAD_UART1_TXD__UART1_TXD,
    > + MX51_BABBAGE_PAD_UART1_RTS__UART1_RTS,
    > + MX51_BABBAGE_PAD_UART1_CTS__UART1_CTS,
    > +
    > + /* UART2 */
    > + MX51_BABBAGE_PAD_UART2_RXD__UART2_RXD,
    > + MX51_BABBAGE_PAD_UART2_TXD__UART2_TXD,
    > +
    > + /* UART3 */
    > + MX51_BABBAGE_PAD_EIM_D25__UART3_RXD,
    > + MX51_BABBAGE_PAD_EIM_D26__UART3_TXD,
    > + MX51_BABBAGE_PAD_EIM_D27__UART3_RTS,
    > + MX51_BABBAGE_PAD_EIM_D24__UART3_CTS,
    > +};
    > +
    > +/* Serial ports */
    > +#if defined(CONFIG_SERIAL_IMX) || defined(CONFIG_SERIAL_IMX_MODULE)
    > +static struct imxuart_platform_data uart_pdata = {
    > + .flags = IMXUART_HAVE_RTSCTS,
    > +};
    > +
    > +static inline void mxc_init_imx_uart(void)
    > +{
    > + mxc_register_device(&mxc_uart_device0, &uart_pdata);
    > + mxc_register_device(&mxc_uart_device1, &uart_pdata);
    > + mxc_register_device(&mxc_uart_device2, &uart_pdata);
    > +}
    > +#else /* !SERIAL_IMX */
    > +static inline void mxc_init_imx_uart(void)
    > +{
    > +}
    > +#endif /* SERIAL_IMX */
    > +
    > +/*
    > + * Board specific initialization.
    > + */
    > +static void __init mxc_board_init(void)
    > +{
    > + mxc_iomux_v3_setup_multiple_pads(mx51babbage_pads,
    > + ARRAY_SIZE(mx51babbage_pads));
    > + mxc_init_imx_uart();
    > + platform_add_devices(devices, ARRAY_SIZE(devices));
    > +}
    > +
    > +static void __init mx51_babbage_timer_init(void)
    > +{
    > + mx51_clocks_init(32768, 24000000, 22579200, 24576000);
    > +}
    > +
    > +static struct sys_timer mxc_timer = {
    > + .init = mx51_babbage_timer_init,
    > +};
    > +
    > +MACHINE_START(MX51_BABBAGE, "Freescale MX51 Babbage Board")
    > + /* Maintainer: Amit Kucheria <amit.kucheria@canonical.com> */
    > + .phys_io = MX51_AIPS1_BASE_ADDR,
    > + .io_pg_offst = ((MX51_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
    > + .boot_params = PHYS_OFFSET + 0x100,
    > + .map_io = mx51_map_io,
    > + .init_irq = mx51_init_irq,
    > + .init_machine = mxc_board_init,
    > + .timer = &mxc_timer,
    > +MACHINE_END
    > diff --git a/arch/arm/plat-mxc/include/mach/common.h b/arch/arm/plat-mxc/include/mach/common.h
    > index 0a25576..33d4496 100644
    > --- a/arch/arm/plat-mxc/include/mach/common.h
    > +++ b/arch/arm/plat-mxc/include/mach/common.h
    > @@ -21,6 +21,7 @@ extern void mx27_map_io(void);
    > extern void mx31_map_io(void);
    > extern void mx35_map_io(void);
    > extern void mx51_map_io(void);
    > +extern void mx51_babbage_io_init(void);

    Is this function used anywhere? I hope not...

    Sascha

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