[PATCH 02/18] ARM/Samsung: unify device registration for the S3C24XX SoCs

Sascha Hauer s.hauer at pengutronix.de
Mon Jul 16 03:21:31 EDT 2012


On Fri, Jul 13, 2012 at 09:00:54PM +0200, Juergen Beisert wrote:
> Barebox crashes since it has trouble with a resource size of 0. Most of the
> S3C24XX based platforms crashes at runtime and can't use devices with resource
> sizes of 0 anymore. This patch fix it by unifying the device registration for
> all current Barebox's S3C24XX based platforms.
> 
> - A9M2410 and A9M2440 compile time tested only.
> - Mini2440 also runtime tested.

So this is stuff for master, right?

Sascha

> 
> Signed-off-by: Juergen Beisert <jbe at pengutronix.de>
> ---
>  arch/arm/boards/a9m2410/a9m2410.c                  |    6 +--
>  arch/arm/boards/a9m2440/a9m2440.c                  |    7 ++-
>  arch/arm/boards/mini2440/mini2440.c                |   16 +++---
>  .../mach-samsung/include/mach/devices-s3c24xx.h    |   54 ++++++++++++++++++++
>  4 files changed, 65 insertions(+), 18 deletions(-)
>  create mode 100644 arch/arm/mach-samsung/include/mach/devices-s3c24xx.h
> 
> diff --git a/arch/arm/boards/a9m2410/a9m2410.c b/arch/arm/boards/a9m2410/a9m2410.c
> index eaafdbd..c2d4b87 100644
> --- a/arch/arm/boards/a9m2410/a9m2410.c
> +++ b/arch/arm/boards/a9m2410/a9m2410.c
> @@ -32,6 +32,7 @@
>  #include <partition.h>
>  #include <nand.h>
>  #include <io.h>
> +#include <mach/devices-s3c24xx.h>
>  #include <mach/s3c-iomap.h>
>  #include <mach/s3c24xx-nand.h>
>  #include <mach/s3c-generic.h>
> @@ -109,8 +110,7 @@ static int a9m2410_devices_init(void)
>  	writel(reg, S3C_MISCCR);
>  
>  	/* ----------- the devices the boot loader should work with -------- */
> -	add_generic_device("s3c24x0_nand", DEVICE_ID_DYNAMIC, NULL, S3C24X0_NAND_BASE,
> -			0, IORESOURCE_MEM, &nand_info);
> +	s3c24xx_add_nand(&nand_info);
>  	/*
>  	 * SMSC 91C111 network controller on the baseboard
>  	 * connected to CS line 1 and interrupt line
> @@ -145,8 +145,6 @@ void __bare_init nand_boot(void)
>  
>  static int a9m2410_console_init(void)
>  {
> -	add_generic_device("s3c_serial", DEVICE_ID_DYNAMIC, NULL, S3C_UART1_BASE,
> -			S3C_UART1_SIZE, IORESOURCE_MEM, NULL);
>  	return 0;
>  }
>  
> diff --git a/arch/arm/boards/a9m2440/a9m2440.c b/arch/arm/boards/a9m2440/a9m2440.c
> index 1d20248..8975c15 100644
> --- a/arch/arm/boards/a9m2440/a9m2440.c
> +++ b/arch/arm/boards/a9m2440/a9m2440.c
> @@ -32,6 +32,7 @@
>  #include <partition.h>
>  #include <nand.h>
>  #include <io.h>
> +#include <mach/devices-s3c24xx.h>
>  #include <mach/s3c-iomap.h>
>  #include <mach/s3c24xx-nand.h>
>  #include <mach/s3c-generic.h>
> @@ -129,8 +130,7 @@ static int a9m2440_devices_init(void)
>  	writel(reg, S3C_MISCCR);
>  
>  	/* ----------- the devices the boot loader should work with -------- */
> -	add_generic_device("s3c24x0_nand", DEVICE_ID_DYNAMIC, NULL, S3C24X0_NAND_BASE, 0,
> -			   IORESOURCE_MEM, &nand_info);
> +	s3c24xx_add_nand(&nand_info);
>  	/*
>  	 * cs8900 network controller onboard
>  	 * Connected to CS line 5 + A24 and interrupt line EINT9,
> @@ -164,8 +164,7 @@ void __bare_init nand_boot(void)
>  
>  static int a9m2440_console_init(void)
>  {
> -	add_generic_device("s3c_serial", DEVICE_ID_DYNAMIC, NULL, S3C_UART1_BASE,
> -			S3C_UART1_SIZE, IORESOURCE_MEM, NULL);
> +	s3c24xx_add_uart1();
>  	return 0;
>  }
>  
> diff --git a/arch/arm/boards/mini2440/mini2440.c b/arch/arm/boards/mini2440/mini2440.c
> index 3d3b820..3523949 100644
> --- a/arch/arm/boards/mini2440/mini2440.c
> +++ b/arch/arm/boards/mini2440/mini2440.c
> @@ -39,6 +39,7 @@
>  #include <io.h>
>  #include <mach/gpio.h>
>  #include <mach/s3c-iomap.h>
> +#include <mach/devices-s3c24xx.h>
>  #include <mach/s3c24xx-nand.h>
>  #include <mach/s3c-generic.h>
>  #include <mach/s3c-mci.h>
> @@ -297,8 +298,7 @@ static int mini2440_devices_init(void)
>  	reg |= 0x10000;
>  	writel(reg, S3C_MISCCR);
>  
> -	add_generic_device("s3c24x0_nand", DEVICE_ID_DYNAMIC, NULL, S3C24X0_NAND_BASE,
> -			0, IORESOURCE_MEM, &nand_info);
> +	s3c24xx_add_nand(&nand_info);
>  
>  	add_dm9000_device(0, S3C_CS4_BASE + 0x300, S3C_CS4_BASE + 0x304,
>  			  IORESOURCE_MEM_16BIT, &dm9000_data);
> @@ -312,12 +312,9 @@ static int mini2440_devices_init(void)
>  	devfs_add_partition("nand0", 0x40000, 0x20000, DEVFS_PARTITION_FIXED, "env_raw");
>  	dev_add_bb_dev("env_raw", "env0");
>  #endif
> -	add_generic_device("s3c_mci", 0, NULL, S3C2410_SDI_BASE, 0,
> -			   IORESOURCE_MEM, &mci_data);
> -	add_generic_device("s3c_fb", 0, NULL, S3C2410_LCD_BASE, 0,
> -			   IORESOURCE_MEM, &s3c24x0_fb_data);
> -	add_generic_device("ohci", 0, NULL, S3C2410_USB_HOST_BASE, 0x100,
> -			   IORESOURCE_MEM, NULL);
> +	s3c24xx_add_mci(&mci_data);
> +	s3c24xx_add_fb(&s3c24x0_fb_data);
> +	s3c24xx_add_ohci();
>  	armlinux_set_bootparams((void*)S3C_SDRAM_BASE + 0x100);
>  	armlinux_set_architecture(MACH_TYPE_MINI2440);
>  
> @@ -344,8 +341,7 @@ static int mini2440_console_init(void)
>  	s3c_gpio_mode(GPH2_TXD0);
>  	s3c_gpio_mode(GPH3_RXD0);
>  
> -	add_generic_device("s3c_serial", DEVICE_ID_DYNAMIC, NULL, S3C_UART1_BASE,
> -			S3C_UART1_SIZE, IORESOURCE_MEM, NULL);
> +	s3c24xx_add_uart1();
>  	return 0;
>  }
>  
> diff --git a/arch/arm/mach-samsung/include/mach/devices-s3c24xx.h b/arch/arm/mach-samsung/include/mach/devices-s3c24xx.h
> new file mode 100644
> index 0000000..d099732
> --- /dev/null
> +++ b/arch/arm/mach-samsung/include/mach/devices-s3c24xx.h
> @@ -0,0 +1,54 @@
> +/*
> + * Copyright 2012 Juergen Beisert
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License as
> + * published by the Free Software Foundation; either version 2 of
> + * the License, or (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + * GNU General Public License for more details.
> + *
> + */
> +
> +#ifndef INCLUDE_MACH_DEVICES_S3C24XX_H
> +# define INCLUDE_MACH_DEVICES_S3C24XX_H
> +
> +#include <mach/s3c24xx-iomap.h>
> +#include <mach/s3c24xx-nand.h>
> +#include <mach/s3c-mci.h>
> +#include <mach/s3c24xx-fb.h>
> +
> +static inline void s3c24xx_add_nand(struct s3c24x0_nand_platform_data *d)
> +{
> +	add_generic_device("s3c24x0_nand", DEVICE_ID_DYNAMIC, NULL,
> +				S3C24X0_NAND_BASE, 0x80, IORESOURCE_MEM, d);
> +}
> +
> +static inline void s3c24xx_add_mci(struct s3c_mci_platform_data *d)
> +{
> +	add_generic_device("s3c_mci", DEVICE_ID_DYNAMIC, NULL,
> +				S3C2410_SDI_BASE, 0x80, IORESOURCE_MEM, d);
> +}
> +
> +static inline void s3c24xx_add_fb(struct s3c_fb_platform_data *d)
> +{
> +	add_generic_device("s3c_fb", DEVICE_ID_DYNAMIC, NULL,
> +				S3C2410_LCD_BASE, 0x80, IORESOURCE_MEM, d);
> +}
> +
> +static inline void s3c24xx_add_ohci(void)
> +{
> +	add_generic_device("ohci", DEVICE_ID_DYNAMIC, NULL,
> +			S3C2410_USB_HOST_BASE, 0x100, IORESOURCE_MEM, NULL);
> +}
> +
> +static inline void s3c24xx_add_uart1(void)
> +{
> +	add_generic_device("s3c_serial", DEVICE_ID_DYNAMIC, NULL, S3C_UART1_BASE,
> +			S3C_UART1_SIZE, IORESOURCE_MEM, NULL);
> +}
> +
> +#endif /* INCLUDE_MACH_DEVICES_S3C24XX_H */
> -- 
> 1.7.10.4
> 
> 
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