Commit 1ba5a176 authored by Atsushi Nemoto's avatar Atsushi Nemoto Committed by Ralf Baechle
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MIPS: RBTX4939: Add smc91x support 



Add smc91x platform device to RBTX4939 board and some hacks for big endian.

Signed-off-by: default avatarAtsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent bc89b2bd

arch/mips/include/asm/mach-tx49xx/mangle-port.h

0 → 100644
+26 −0
Original line number Diff line number Diff line 
#ifndef __ASM_MACH_TX49XX_MANGLE_PORT_H

#define __ASM_MACH_TX49XX_MANGLE_PORT_H



#define __swizzle_addr_b(port)	(port)

#define __swizzle_addr_w(port)	(port)

#define __swizzle_addr_l(port)	(port)

#define __swizzle_addr_q(port)	(port)



#define ioswabb(a, x)		(x)

#define __mem_ioswabb(a, x)	(x)

#if defined(CONFIG_TOSHIBA_RBTX4939) && \

	(defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)) && \

	defined(__BIG_ENDIAN)

#define NEEDS_TXX9_IOSWABW

extern u16 (*ioswabw)(volatile u16 *a, u16 x);

extern u16 (*__mem_ioswabw)(volatile u16 *a, u16 x);

#else

#define ioswabw(a, x)		le16_to_cpu(x)

#define __mem_ioswabw(a, x)	(x)

#endif

#define ioswabl(a, x)		le32_to_cpu(x)

#define __mem_ioswabl(a, x)	(x)

#define ioswabq(a, x)		le64_to_cpu(x)

#define __mem_ioswabq(a, x)	(x)



#endif /* __ASM_MACH_TX49XX_MANGLE_PORT_H */

arch/mips/txx9/generic/setup.c

+15 −0
Original line number Diff line number Diff line
@@ -622,6 +622,21 @@ unsigned long (*__swizzle_addr_b)(unsigned long port) = __swizzle_addr_none; 
EXPORT_SYMBOL(__swizzle_addr_b);

#endif



#ifdef NEEDS_TXX9_IOSWABW

static u16 ioswabw_default(volatile u16 *a, u16 x)

{

	return le16_to_cpu(x);

}

static u16 __mem_ioswabw_default(volatile u16 *a, u16 x)

{

	return x;

}

u16 (*ioswabw)(volatile u16 *a, u16 x) = ioswabw_default;

EXPORT_SYMBOL(ioswabw);

u16 (*__mem_ioswabw)(volatile u16 *a, u16 x) = __mem_ioswabw_default;

EXPORT_SYMBOL(__mem_ioswabw);

#endif



void __init txx9_physmap_flash_init(int no, unsigned long addr,

				    unsigned long size,

				    const struct physmap_flash_data *pdata)

arch/mips/txx9/rbtx4939/setup.c

+43 −0
Original line number Diff line number Diff line
@@ -14,6 +14,8 @@ 
#include <linux/types.h>

#include <linux/platform_device.h>

#include <linux/leds.h>

#include <linux/interrupt.h>

#include <linux/smc91x.h>

#include <asm/reboot.h>

#include <asm/txx9/generic.h>

#include <asm/txx9/pci.h>
@@ -33,6 +35,21 @@ static void __init rbtx4939_time_init(void) 
	tx4939_time_init(0);

}



#if defined(__BIG_ENDIAN) && \

	(defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE))

#define HAVE_RBTX4939_IOSWAB

#define IS_CE1_ADDR(addr) \

	((((unsigned long)(addr) - IO_BASE) & 0xfff00000) == TXX9_CE(1))

static u16 rbtx4939_ioswabw(volatile u16 *a, u16 x)

{

	return IS_CE1_ADDR(a) ? x : le16_to_cpu(x);

}

static u16 rbtx4939_mem_ioswabw(volatile u16 *a, u16 x)

{

	return !IS_CE1_ADDR(a) ? x : le16_to_cpu(x);

}

#endif /* __BIG_ENDIAN && CONFIG_SMC91X */



static void __init rbtx4939_pci_setup(void)

{

#ifdef CONFIG_PCI
@@ -272,6 +289,22 @@ static void __init rbtx4939_arch_init(void) 


static void __init rbtx4939_device_init(void)

{

	unsigned long smc_addr = RBTX4939_ETHER_ADDR - IO_BASE;

	struct resource smc_res[] = {

		{

			.start	= smc_addr,

			.end	= smc_addr + 0x10 - 1,

			.flags	= IORESOURCE_MEM,

		}, {

			.start	= RBTX4939_IRQ_ETHER,

			/* override default irq flag defined in smc91x.h */

			.flags	= IORESOURCE_IRQ | IRQF_TRIGGER_LOW,

		},

	};

	struct smc91x_platdata smc_pdata = {

		.flags = SMC91X_USE_16BIT,

	};

	struct platform_device *pdev;

#if defined(CONFIG_TC35815) || defined(CONFIG_TC35815_MODULE)

	int i, j;

	unsigned char ethaddr[2][6];
@@ -288,6 +321,12 @@ static void __init rbtx4939_device_init(void) 
	}

	tx4939_ethaddr_init(ethaddr[0], ethaddr[1]);

#endif

	pdev = platform_device_alloc("smc91x", -1);

	if (!pdev ||

	    platform_device_add_resources(pdev, smc_res, ARRAY_SIZE(smc_res)) ||

	    platform_device_add_data(pdev, &smc_pdata, sizeof(smc_pdata)) ||

	    platform_device_add(pdev))

		platform_device_put(pdev);

	rbtx4939_led_setup();

	tx4939_wdt_init();

	tx4939_ata_init();
@@ -304,6 +343,10 @@ static void __init rbtx4939_setup(void) 
	if (txx9_master_clock == 0)

		txx9_master_clock = 20000000;

	tx4939_setup();

#ifdef HAVE_RBTX4939_IOSWAB

	ioswabw = rbtx4939_ioswabw;

	__mem_ioswabw = rbtx4939_mem_ioswabw;

#endif



	_machine_restart = rbtx4939_machine_restart;