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Commit ff266c0c authored by Darius Augulis's avatar Darius Augulis Committed by Ben Dooks
Browse files

ARM: mach-real6410: add dm9000 ethernet support for mach-real6410 



This patch is based on "[PATCH v2] Support for Real6410"

Signed-off-by: default avatarDarius Augulis <augulis.darius@gmail.com>
Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
parent eab5cfa0

arch/arm/mach-s3c64xx/mach-real6410.c

+63 −0
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ 
#include <linux/interrupt.h>

#include <linux/list.h>

#include <linux/init.h>

#include <linux/dm9000.h>

#include <linux/serial_core.h>

#include <linux/platform_device.h>

#include <asm/mach-types.h>
@@ -24,6 +25,7 @@ 
#include <asm/mach/map.h>

#include <mach/map.h>

#include <mach/s3c6410.h>

#include <mach/regs-srom.h>

#include <plat/cpu.h>

#include <plat/regs-serial.h>
@@ -62,6 +64,44 @@ static struct s3c2410_uartcfg real6410_uartcfgs[] __initdata = { 
	},

};



/* DM9000AEP 10/100 ethernet controller */



static struct resource real6410_dm9k_resource[] = {

        [0] = {

                .start = S3C64XX_PA_XM0CSN1,

                .end   = S3C64XX_PA_XM0CSN1 + 1,

                .flags = IORESOURCE_MEM

        },

        [1] = {

                .start = S3C64XX_PA_XM0CSN1 + 4,

                .end   = S3C64XX_PA_XM0CSN1 + 5,

                .flags = IORESOURCE_MEM

        },

        [2] = {

                .start = S3C_EINT(7),

                .end   = S3C_EINT(7),

                .flags = IORESOURCE_IRQ,

        }

};



static struct dm9000_plat_data real6410_dm9k_pdata = {

        .flags          = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),

};



static struct platform_device real6410_device_eth = {

        .name           = "dm9000",

        .id             = -1,

        .num_resources  = ARRAY_SIZE(real6410_dm9k_resource),

        .resource       = real6410_dm9k_resource,

        .dev            = {

                .platform_data  = &real6410_dm9k_pdata,

        },

};



static struct platform_device *real6410_devices[] __initdata = {

	&real6410_device_eth,

};



static void __init real6410_map_io(void)

{

	s3c64xx_init_io(NULL, 0);
@@ -71,6 +111,29 @@ static void __init real6410_map_io(void) 


static void __init real6410_machine_init(void)

{

	u32 cs1;



	/* configure nCS1 width to 16 bits */



	cs1 = __raw_readl(S3C64XX_SROM_BW) &

		~(S3C64XX_SROM_BW__CS_MASK << S3C64XX_SROM_BW__NCS1__SHIFT);

	cs1 |= ((1 << S3C64XX_SROM_BW__DATAWIDTH__SHIFT) |

		(1 << S3C64XX_SROM_BW__WAITENABLE__SHIFT) |

		(1 << S3C64XX_SROM_BW__BYTEENABLE__SHIFT)) <<

			S3C64XX_SROM_BW__NCS1__SHIFT;

	__raw_writel(cs1, S3C64XX_SROM_BW);



	/* set timing for nCS1 suitable for ethernet chip */



	__raw_writel((0 << S3C64XX_SROM_BCX__PMC__SHIFT) |

			(6 << S3C64XX_SROM_BCX__TACP__SHIFT) |

			(4 << S3C64XX_SROM_BCX__TCAH__SHIFT) |

			(1 << S3C64XX_SROM_BCX__TCOH__SHIFT) |

			(13 << S3C64XX_SROM_BCX__TACC__SHIFT) |

			(4 << S3C64XX_SROM_BCX__TCOS__SHIFT) |

			(0 << S3C64XX_SROM_BCX__TACS__SHIFT), S3C64XX_SROM_BC1);



	platform_add_devices(real6410_devices, ARRAY_SIZE(real6410_devices));

}



MACHINE_START(REAL6410, "REAL6410")