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Commit c8cee359 authored by Lukasz Majewski's avatar Lukasz Majewski Committed by Alexander Sverdlin
Browse files

ARM: ep93xx: ts72xx: Add support for BK3 board - ts72xx derivative 



The BK3 board is a derivative of the ts72xx reference design.

Signed-off-by: default avatarLukasz Majewski <lukma@denx.de>
Acked-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarAlexander Sverdlin <alexander.sverdlin@gmail.com>
parent e41f1e85

MAINTAINERS

+6 −0
Original line number Diff line number Diff line
@@ -1254,6 +1254,12 @@ L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) 
S:	Supported

F:	drivers/net/ethernet/cavium/thunder/



ARM/CIRRUS LOGIC BK3 MACHINE SUPPORT

M:	Lukasz Majewski <lukma@denx.de>

L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)

S:	Maintained

F:	arch/arm/mach-ep93xx/ts72xx.c



ARM/CIRRUS LOGIC CLPS711X ARM ARCHITECTURE

M:	Alexander Shiyan <shc_work@mail.ru>

L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)

arch/arm/mach-ep93xx/Kconfig

+7 −0
Original line number Diff line number Diff line
@@ -21,6 +21,13 @@ config MACH_ADSSPHERE 
	  Say 'Y' here if you want your kernel to support the ADS

	  Sphere board.



config MACH_BK3

	bool "Support Liebherr BK3.1"

	select MACH_TS72XX

	help

	  Say 'Y' here if you want your kernel to support the

	  Liebherr controller BK3.1.



config MACH_EDB93XX

	bool

arch/arm/mach-ep93xx/ts72xx.c

+136 −0
Original line number Diff line number Diff line
@@ -19,10 +19,15 @@ 
#include <linux/mtd/rawnand.h>

#include <linux/mtd/partitions.h>

#include <linux/spi/spi.h>

#include <linux/spi/flash.h>

#include <linux/spi/mmc_spi.h>

#include <linux/mmc/host.h>

#include <linux/platform_data/spi-ep93xx.h>



#include <mach/gpio-ep93xx.h>

#include <mach/hardware.h>

#include <mach/irqs.h>

#include <mach/gpio-ep93xx.h>



#include <asm/mach-types.h>

#include <asm/mach/map.h>
@@ -50,6 +55,11 @@ static struct map_desc ts72xx_io_desc[] __initdata = { 
		.pfn		= __phys_to_pfn(TS72XX_OPTIONS2_PHYS_BASE),

		.length		= TS72XX_OPTIONS2_SIZE,

		.type		= MT_DEVICE,

	}, {

		.virtual	= (unsigned long)TS72XX_CPLDVER_VIRT_BASE,

		.pfn		= __phys_to_pfn(TS72XX_CPLDVER_PHYS_BASE),

		.length		= TS72XX_CPLDVER_SIZE,

		.type		= MT_DEVICE,

	}

};
@@ -211,6 +221,69 @@ static struct ep93xx_eth_data __initdata ts72xx_eth_data = { 
	.phy_id		= 1,

};



/*************************************************************************

 * SPI SD/MMC host

 *************************************************************************/

#define BK3_EN_SDCARD_PHYS_BASE         0x12400000

#define BK3_EN_SDCARD_PWR 0x0

#define BK3_DIS_SDCARD_PWR 0x0C

static void bk3_mmc_spi_setpower(struct device *dev, unsigned int vdd)

{

	void __iomem *pwr_sd = ioremap(BK3_EN_SDCARD_PHYS_BASE, SZ_4K);



	if (!pwr_sd) {

		pr_err("Failed to enable SD card power!");

		return;

	}



	pr_debug("%s: SD card pwr %s VDD:0x%x\n", __func__,

		 !!vdd ? "ON" : "OFF", vdd);



	if (!!vdd)

		__raw_writeb(BK3_EN_SDCARD_PWR, pwr_sd);

	else

		__raw_writeb(BK3_DIS_SDCARD_PWR, pwr_sd);



	iounmap(pwr_sd);

}



static struct mmc_spi_platform_data bk3_spi_mmc_data = {

	.detect_delay	= 500,

	.powerup_msecs	= 100,

	.ocr_mask	= MMC_VDD_32_33 | MMC_VDD_33_34,

	.caps		= MMC_CAP_NONREMOVABLE,

	.setpower       = bk3_mmc_spi_setpower,

};



/*************************************************************************

 * SPI Bus - SD card access

 *************************************************************************/

static struct spi_board_info bk3_spi_board_info[] __initdata = {

	{

		.modalias		= "mmc_spi",

		.platform_data		= &bk3_spi_mmc_data,

		.max_speed_hz		= 7.4E6,

		.bus_num		= 0,

		.chip_select		= 0,

		.mode			= SPI_MODE_0,

	},

};



/*

 * This is a stub -> the FGPIO[3] pin is not connected on the schematic

 * The all work is performed automatically by !SPI_FRAME (SFRM1) and

 * goes through CPLD

 */

static int bk3_spi_chipselects[] __initdata = {

	EP93XX_GPIO_LINE_F(3),

};



static struct ep93xx_spi_info bk3_spi_master __initdata = {

	.chipselect	= bk3_spi_chipselects,

	.num_chipselect = ARRAY_SIZE(bk3_spi_chipselects),

	.use_dma	= 1,

};



/*************************************************************************

 * TS72XX support code

 *************************************************************************/
@@ -285,3 +358,66 @@ MACHINE_START(TS72XX, "Technologic Systems TS-72xx SBC") 
	.init_late	= ep93xx_init_late,

	.restart	= ep93xx_restart,

MACHINE_END



/*************************************************************************

 * EP93xx I2S audio peripheral handling

 *************************************************************************/

static struct resource ep93xx_i2s_resource[] = {

	DEFINE_RES_MEM(EP93XX_I2S_PHYS_BASE, 0x100),

	DEFINE_RES_IRQ_NAMED(IRQ_EP93XX_SAI, "spilink i2s slave"),

};



static struct platform_device ep93xx_i2s_device = {

	.name		= "ep93xx-spilink-i2s",

	.id		= -1,

	.num_resources	= ARRAY_SIZE(ep93xx_i2s_resource),

	.resource	= ep93xx_i2s_resource,

};



/*************************************************************************

 * BK3 support code

 *************************************************************************/

static struct mtd_partition bk3_nand_parts[] = {

	{

		.name		= "System",

		.offset	= 0x00000000,

		.size		= 0x01e00000,

	}, {

		.name		= "Data",

		.offset	= 0x01e00000,

		.size		= 0x05f20000

	}, {

		.name		= "RedBoot",

		.offset	= 0x07d20000,

		.size		= 0x002e0000,

		.mask_flags	= MTD_WRITEABLE,	/* force RO */

	},

};



static void __init bk3_init_machine(void)

{

	ep93xx_init_devices();



	ts72xx_register_flash(bk3_nand_parts, ARRAY_SIZE(bk3_nand_parts),

			      EP93XX_CS6_PHYS_BASE);



	ep93xx_register_eth(&ts72xx_eth_data, 1);



	ep93xx_register_spi(&bk3_spi_master, bk3_spi_board_info,

			    ARRAY_SIZE(bk3_spi_board_info));



	/* Configure ep93xx's I2S to use AC97 pins */

	ep93xx_devcfg_set_bits(EP93XX_SYSCON_DEVCFG_I2SONAC97);

	platform_device_register(&ep93xx_i2s_device);

}



MACHINE_START(BK3, "Liebherr controller BK3.1")

	/* Maintainer: Lukasz Majewski <lukma@denx.de> */

	.atag_offset	= 0x100,

	.map_io		= ts72xx_map_io,

	.init_irq	= ep93xx_init_irq,

	.init_time	= ep93xx_timer_init,

	.init_machine	= bk3_init_machine,

	.init_late	= ep93xx_init_late,

	.restart	= ep93xx_restart,

MACHINE_END

arch/arm/mach-ep93xx/ts72xx.h

+5 −0
Original line number Diff line number Diff line
@@ -10,6 +10,7 @@ 
 * febff000	22000000	4K	model number register (bits 0-2)

 * febfe000	22400000	4K	options register

 * febfd000	22800000	4K	options register #2

 * febfc000     23400000        4K      CPLD version register

 */



#ifndef __TS72XX_H_
@@ -42,6 +43,10 @@ 
#define TS72XX_OPTIONS2_TS9420		0x04

#define TS72XX_OPTIONS2_TS9420_BOOT	0x02



#define TS72XX_CPLDVER_PHYS_BASE	0x23400000

#define TS72XX_CPLDVER_VIRT_BASE	IOMEM(0xfebfc000)

#define TS72XX_CPLDVER_SIZE		0x00001000



#ifndef __ASSEMBLY__



static inline int ts72xx_model(void)

arch/arm/tools/mach-types

+1 −0
Original line number Diff line number Diff line
@@ -345,6 +345,7 @@ mxlads MACH_MXLADS MXLADS 1851 
linkstation_mini	MACH_LINKSTATION_MINI	LINKSTATION_MINI	1858

afeb9260		MACH_AFEB9260		AFEB9260		1859

imx27ipcam		MACH_IMX27IPCAM		IMX27IPCAM		1871

bk3			MACH_BK3		BK3			1880

rd88f6183ap_ge		MACH_RD88F6183AP_GE	RD88F6183AP_GE		1894

realview_pba8		MACH_REALVIEW_PBA8	REALVIEW_PBA8		1897

realview_pbx		MACH_REALVIEW_PBX	REALVIEW_PBX		1901