Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 51f607c7 authored by Atsushi Nemoto's avatar Atsushi Nemoto Committed by Ralf Baechle
Browse files

MIPS: TXx9: Add mtd support 



Add helper routines to register physmap-flash platform devices for NOR
flashes.

Signed-off-by: default avatarAtsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent c7b95bcb

arch/mips/txx9/generic/setup.c

+41 −0
Original line number Original line Diff line number Diff line
@@ -22,6 +22,7 @@ 
#include <linux/gpio.h>

#include <linux/gpio.h>

#include <linux/platform_device.h>

#include <linux/platform_device.h>

#include <linux/serial_core.h>

#include <linux/serial_core.h>

#include <linux/mtd/physmap.h>

#include <asm/bootinfo.h>

#include <asm/bootinfo.h>

#include <asm/time.h>

#include <asm/time.h>

#include <asm/reboot.h>

#include <asm/reboot.h>
@@ -593,3 +594,43 @@ static unsigned long __swizzle_addr_none(unsigned long port) 
unsigned long (*__swizzle_addr_b)(unsigned long port) = __swizzle_addr_none;

unsigned long (*__swizzle_addr_b)(unsigned long port) = __swizzle_addr_none;

EXPORT_SYMBOL(__swizzle_addr_b);

EXPORT_SYMBOL(__swizzle_addr_b);

#endif

#endif



void __init txx9_physmap_flash_init(int no, unsigned long addr,

				    unsigned long size,

				    const struct physmap_flash_data *pdata)

{

#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)

	struct resource res = {

		.start = addr,

		.end = addr + size - 1,

		.flags = IORESOURCE_MEM,

	};

	struct platform_device *pdev;

#ifdef CONFIG_MTD_PARTITIONS

	static struct mtd_partition parts[2];

	struct physmap_flash_data pdata_part;



	/* If this area contained boot area, make separate partition */

	if (pdata->nr_parts == 0 && !pdata->parts &&

	    addr < 0x1fc00000 && addr + size > 0x1fc00000 &&

	    !parts[0].name) {

		parts[0].name = "boot";

		parts[0].offset = 0x1fc00000 - addr;

		parts[0].size = addr + size - 0x1fc00000;

		parts[1].name = "user";

		parts[1].offset = 0;

		parts[1].size = 0x1fc00000 - addr;

		pdata_part = *pdata;

		pdata_part.nr_parts = ARRAY_SIZE(parts);

		pdata_part.parts = parts;

		pdata = &pdata_part;

	}

#endif

	pdev = platform_device_alloc("physmap-flash", no);

	if (!pdev ||

	    platform_device_add_resources(pdev, &res, 1) ||

	    platform_device_add_data(pdev, pdata, sizeof(*pdata)) ||

	    platform_device_add(pdev))

		platform_device_put(pdev);

#endif

}

arch/mips/txx9/generic/setup_tx3927.c

+14 −0
Original line number Original line Diff line number Diff line
@@ -15,6 +15,7 @@ 
#include <linux/delay.h>

#include <linux/delay.h>

#include <linux/param.h>

#include <linux/param.h>

#include <linux/io.h>

#include <linux/io.h>

#include <linux/mtd/physmap.h>

#include <asm/mipsregs.h>

#include <asm/mipsregs.h>

#include <asm/txx9irq.h>

#include <asm/txx9irq.h>

#include <asm/txx9tmr.h>

#include <asm/txx9tmr.h>
@@ -121,3 +122,16 @@ void __init tx3927_sio_init(unsigned int sclk, unsigned int cts_mask) 
			      TXX9_IRQ_BASE + TX3927_IR_SIO(i),

			      TXX9_IRQ_BASE + TX3927_IR_SIO(i),

			      i, sclk, (1 << i) & cts_mask);

			      i, sclk, (1 << i) & cts_mask);

}

}



void __init tx3927_mtd_init(int ch)

{

	struct physmap_flash_data pdata = {

		.width = TX3927_ROMC_WIDTH(ch) / 8,

	};

	unsigned long start = txx9_ce_res[ch].start;

	unsigned long size = txx9_ce_res[ch].end - start + 1;



	if (!(tx3927_romcptr->cr[ch] & 0x8))

		return;	/* disabled */

	txx9_physmap_flash_init(ch, start, size, &pdata);

}

arch/mips/txx9/generic/setup_tx4927.c

+14 −0
Original line number Original line Diff line number Diff line
@@ -14,6 +14,7 @@ 
#include <linux/ioport.h>

#include <linux/ioport.h>

#include <linux/delay.h>

#include <linux/delay.h>

#include <linux/param.h>

#include <linux/param.h>

#include <linux/mtd/physmap.h>

#include <asm/txx9irq.h>

#include <asm/txx9irq.h>

#include <asm/txx9tmr.h>

#include <asm/txx9tmr.h>

#include <asm/txx9pio.h>

#include <asm/txx9pio.h>
@@ -187,3 +188,16 @@ void __init tx4927_sio_init(unsigned int sclk, unsigned int cts_mask) 
			      TXX9_IRQ_BASE + TX4927_IR_SIO(i),

			      TXX9_IRQ_BASE + TX4927_IR_SIO(i),

			      i, sclk, (1 << i) & cts_mask);

			      i, sclk, (1 << i) & cts_mask);

}

}



void __init tx4927_mtd_init(int ch)

{

	struct physmap_flash_data pdata = {

		.width = TX4927_EBUSC_WIDTH(ch) / 8,

	};

	unsigned long start = txx9_ce_res[ch].start;

	unsigned long size = txx9_ce_res[ch].end - start + 1;



	if (!(TX4927_EBUSC_CR(ch) & 0x8))

		return;	/* disabled */

	txx9_physmap_flash_init(ch, start, size, &pdata);

}

arch/mips/txx9/generic/setup_tx4938.c

+14 −0
Original line number Original line Diff line number Diff line
@@ -14,6 +14,7 @@ 
#include <linux/ioport.h>

#include <linux/ioport.h>

#include <linux/delay.h>

#include <linux/delay.h>

#include <linux/param.h>

#include <linux/param.h>

#include <linux/mtd/physmap.h>

#include <asm/txx9irq.h>

#include <asm/txx9irq.h>

#include <asm/txx9tmr.h>

#include <asm/txx9tmr.h>

#include <asm/txx9pio.h>

#include <asm/txx9pio.h>
@@ -269,3 +270,16 @@ void __init tx4938_ethaddr_init(unsigned char *addr0, unsigned char *addr1) 
	if (addr1 && (pcfg & TX4938_PCFG_ETH1_SEL))

	if (addr1 && (pcfg & TX4938_PCFG_ETH1_SEL))

		txx9_ethaddr_init(TXX9_IRQ_BASE + TX4938_IR_ETH1, addr1);

		txx9_ethaddr_init(TXX9_IRQ_BASE + TX4938_IR_ETH1, addr1);

}

}



void __init tx4938_mtd_init(int ch)

{

	struct physmap_flash_data pdata = {

		.width = TX4938_EBUSC_WIDTH(ch) / 8,

	};

	unsigned long start = txx9_ce_res[ch].start;

	unsigned long size = txx9_ce_res[ch].end - start + 1;



	if (!(TX4938_EBUSC_CR(ch) & 0x8))

		return;	/* disabled */

	txx9_physmap_flash_init(ch, start, size, &pdata);

}

arch/mips/txx9/jmr3927/setup.c

+9 −0
Original line number Original line Diff line number Diff line
@@ -190,11 +190,20 @@ static void __init jmr3927_rtc_init(void) 
	platform_device_register_simple("rtc-ds1742", -1, &res, 1);

	platform_device_register_simple("rtc-ds1742", -1, &res, 1);

}

}





static void __init jmr3927_mtd_init(void)

{

	int i;



	for (i = 0; i < 2; i++)

		tx3927_mtd_init(i);

}



static void __init jmr3927_device_init(void)

static void __init jmr3927_device_init(void)

{

{

	__swizzle_addr_b = jmr3927_swizzle_addr_b;

	__swizzle_addr_b = jmr3927_swizzle_addr_b;

	jmr3927_rtc_init();

	jmr3927_rtc_init();

	tx3927_wdt_init();

	tx3927_wdt_init();

	jmr3927_mtd_init();

}

}





struct txx9_board_vec jmr3927_vec __initdata = {

struct txx9_board_vec jmr3927_vec __initdata = {