arch/ppc/platforms/mpc885ads_setup.c - kernel/msm-4.9 - Gitiles

 /*arch/ppc/platforms/mpc885ads_setup.c
  *
  * Platform setup for the Freescale mpc885ads board
  *
  * Vitaly Bordug <vbordug@ru.mvista.com>
  *
  * Copyright 2005 MontaVista Software Inc.
  *
  * This file is licensed under the terms of the GNU General Public License
  * version 2. This program is licensed "as is" without any warranty of any
  * kind, whether express or implied.
  */

 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/param.h>
 #include <linux/string.h>
 #include <linux/ioport.h>
 #include <linux/device.h>

 #include <linux/fs_enet_pd.h>
 #include <linux/fs_uart_pd.h>
 #include <linux/mii.h>

 #include <asm/delay.h>
 #include <asm/io.h>
 #include <asm/machdep.h>
 #include <asm/page.h>
 #include <asm/processor.h>
 #include <asm/system.h>
 #include <asm/time.h>
 #include <asm/ppcboot.h>
 #include <asm/8xx_immap.h>
 #include <asm/cpm1.h>
 #include <asm/ppc_sys.h>

 extern unsigned char __res[];
 static void setup_smc1_ioports(struct fs_uart_platform_info*);
 static void setup_smc2_ioports(struct fs_uart_platform_info*);

 static struct fs_mii_fec_platform_info	mpc8xx_mdio_fec_pdata;
 static void setup_fec1_ioports(struct fs_platform_info*);
 static void setup_fec2_ioports(struct fs_platform_info*);
 static void setup_scc3_ioports(struct fs_platform_info*);

 static struct fs_uart_platform_info mpc885_uart_pdata[] = {
 	[fsid_smc1_uart] = {
 		.brg		= 1,
  		.fs_no 		= fsid_smc1_uart,
  		.init_ioports	= setup_smc1_ioports,
 		.tx_num_fifo	= 4,
 		.tx_buf_size	= 32,
 		.rx_num_fifo	= 4,
 		.rx_buf_size	= 32,
  	},
  	[fsid_smc2_uart] = {
  		.brg		= 2,
  		.fs_no 		= fsid_smc2_uart,
  		.init_ioports	= setup_smc2_ioports,
 		.tx_num_fifo	= 4,
 		.tx_buf_size	= 32,
 		.rx_num_fifo	= 4,
 		.rx_buf_size	= 32,
  	},
 };

 static struct fs_platform_info mpc8xx_enet_pdata[] = {
 	[fsid_fec1] = {
 	 .rx_ring = 128,
 	 .tx_ring = 16,
 	 .rx_copybreak = 240,

 	 .use_napi = 1,
 	 .napi_weight = 17,

 	 .init_ioports = setup_fec1_ioports,

           .bus_id = "0:00",
           .has_phy = 1,
 	 },
 	[fsid_fec2] = {
 	     .rx_ring = 128,
 	     .tx_ring = 16,
 	     .rx_copybreak = 240,

 	     .use_napi = 1,
 	     .napi_weight = 17,

 	     .init_ioports = setup_fec2_ioports,

  	     .bus_id = "0:01",
  	     .has_phy = 1,
 	     },
 	[fsid_scc3] = {
 		.rx_ring = 64,
 		.tx_ring = 8,
 		.rx_copybreak = 240,

 		.use_napi = 1,
 		.napi_weight = 17,

 		.init_ioports = setup_scc3_ioports,
 #ifdef CONFIG_FIXED_MII_10_FDX
 		.bus_id = "fixed@100:1",
 #else
 		.bus_id = "0:02",
  #endif
 	},
 };

 void __init board_init(void)
 {
 	cpm8xx_t *cp = cpmp;
  	unsigned int *bcsr_io;

 #ifdef CONFIG_FS_ENET
 	immap_t *immap = (immap_t *) IMAP_ADDR;
 #endif
 	bcsr_io = ioremap(BCSR1, sizeof(unsigned long));

 	if (bcsr_io == NULL) {
 		printk(KERN_CRIT "Could not remap BCSR\n");
 		return;
 	}
 #ifdef CONFIG_SERIAL_CPM_SMC1
 	cp->cp_simode &= ~(0xe0000000 >> 17);	/* brg1 */
 	clrbits32(bcsr_io, BCSR1_RS232EN_1);
         cp->cp_smc[0].smc_smcm |= (SMCM_RX | SMCM_TX);
         cp->cp_smc[0].smc_smcmr &= ~(SMCMR_REN | SMCMR_TEN);
 #else
 	setbits32(bcsr_io,BCSR1_RS232EN_1);
 	cp->cp_smc[0].smc_smcmr = 0;
 	cp->cp_smc[0].smc_smce = 0;
 #endif

 #ifdef CONFIG_SERIAL_CPM_SMC2
 	cp->cp_simode &= ~(0xe0000000 >> 1);
 	cp->cp_simode |= (0x20000000 >> 1);	/* brg2 */
 	clrbits32(bcsr_io,BCSR1_RS232EN_2);
         cp->cp_smc[1].smc_smcm |= (SMCM_RX | SMCM_TX);
         cp->cp_smc[1].smc_smcmr &= ~(SMCMR_REN | SMCMR_TEN);
 #else
 	setbits32(bcsr_io,BCSR1_RS232EN_2);
 	cp->cp_smc[1].smc_smcmr = 0;
 	cp->cp_smc[1].smc_smce = 0;
 #endif
 	iounmap(bcsr_io);

 #ifdef CONFIG_FS_ENET
 	/* use MDC for MII (common) */
 	setbits16(&immap->im_ioport.iop_pdpar, 0x0080);
 	clrbits16(&immap->im_ioport.iop_pddir, 0x0080);
 	bcsr_io = ioremap(BCSR5, sizeof(unsigned long));
 	clrbits32(bcsr_io,BCSR5_MII1_EN);
 	clrbits32(bcsr_io,BCSR5_MII1_RST);
 #ifdef CONFIG_MPC8xx_SECOND_ETH_FEC2
 	clrbits32(bcsr_io,BCSR5_MII2_EN);
 	clrbits32(bcsr_io,BCSR5_MII2_RST);
 #endif
 	iounmap(bcsr_io);
 #endif
 }

 static void setup_fec1_ioports(struct fs_platform_info* pdata)
 {
 	immap_t *immap = (immap_t *) IMAP_ADDR;

 	/* configure FEC1 pins  */
 	setbits16(&immap->im_ioport.iop_papar, 0xf830);
 	setbits16(&immap->im_ioport.iop_padir, 0x0830);
 	clrbits16(&immap->im_ioport.iop_padir, 0xf000);
 	setbits32(&immap->im_cpm.cp_pbpar, 0x00001001);

 	clrbits32(&immap->im_cpm.cp_pbdir, 0x00001001);
 	setbits16(&immap->im_ioport.iop_pcpar, 0x000c);
 	clrbits16(&immap->im_ioport.iop_pcdir, 0x000c);
 	setbits32(&immap->im_cpm.cp_pepar, 0x00000003);

 	setbits32(&immap->im_cpm.cp_pedir, 0x00000003);
 	clrbits32(&immap->im_cpm.cp_peso, 0x00000003);
 	clrbits32(&immap->im_cpm.cp_cptr, 0x00000100);
 }

 static void setup_fec2_ioports(struct fs_platform_info* pdata)
 {
 	immap_t *immap = (immap_t *) IMAP_ADDR;

 	/* configure FEC2 pins */
 	setbits32(&immap->im_cpm.cp_pepar, 0x0003fffc);
 	setbits32(&immap->im_cpm.cp_pedir, 0x0003fffc);
 	clrbits32(&immap->im_cpm.cp_peso, 0x000087fc);
 	setbits32(&immap->im_cpm.cp_peso, 0x00037800);
 	clrbits32(&immap->im_cpm.cp_cptr, 0x00000080);
 }

 static void setup_scc3_ioports(struct fs_platform_info* pdata)
 {
 	immap_t *immap = (immap_t *) IMAP_ADDR;
 	unsigned *bcsr_io;

 	bcsr_io = ioremap(BCSR_ADDR, BCSR_SIZE);

 	if (bcsr_io == NULL) {
 		printk(KERN_CRIT "Could not remap BCSR\n");
 		return;
 	}

 	/* Enable the PHY.
 	 */
 	clrbits32(bcsr_io+4, BCSR4_ETH10_RST);
 	udelay(1000);
 	setbits32(bcsr_io+4, BCSR4_ETH10_RST);
 	/* Configure port A pins for Txd and Rxd.
 	 */
 	setbits16(&immap->im_ioport.iop_papar, PA_ENET_RXD | PA_ENET_TXD);
 	clrbits16(&immap->im_ioport.iop_padir, PA_ENET_RXD | PA_ENET_TXD);

 	/* Configure port C pins to enable CLSN and RENA.
 	 */
 	clrbits16(&immap->im_ioport.iop_pcpar, PC_ENET_CLSN | PC_ENET_RENA);
 	clrbits16(&immap->im_ioport.iop_pcdir, PC_ENET_CLSN | PC_ENET_RENA);
 	setbits16(&immap->im_ioport.iop_pcso, PC_ENET_CLSN | PC_ENET_RENA);

 	/* Configure port E for TCLK and RCLK.
 	 */
 	setbits32(&immap->im_cpm.cp_pepar, PE_ENET_TCLK | PE_ENET_RCLK);
 	clrbits32(&immap->im_cpm.cp_pepar, PE_ENET_TENA);
 	clrbits32(&immap->im_cpm.cp_pedir,
 		  PE_ENET_TCLK | PE_ENET_RCLK | PE_ENET_TENA);
 	clrbits32(&immap->im_cpm.cp_peso, PE_ENET_TCLK | PE_ENET_RCLK);
 	setbits32(&immap->im_cpm.cp_peso, PE_ENET_TENA);

 	/* Configure Serial Interface clock routing.
 	 * First, clear all SCC bits to zero, then set the ones we want.
 	 */
 	clrbits32(&immap->im_cpm.cp_sicr, SICR_ENET_MASK);
 	setbits32(&immap->im_cpm.cp_sicr, SICR_ENET_CLKRT);

 	/* Disable Rx and Tx. SMC1 sshould be stopped if SCC3 eternet are used.
 	 */
 	immap->im_cpm.cp_smc[0].smc_smcmr &= ~(SMCMR_REN | SMCMR_TEN);
 	/* On the MPC885ADS SCC ethernet PHY is initialized in the full duplex mode
 	 * by H/W setting after reset. SCC ethernet controller support only half duplex.
 	 * This discrepancy of modes causes a lot of carrier lost errors.
 	 */

 	/* In the original SCC enet driver the following code is placed at
 	   the end of the initialization */
 	setbits32(&immap->im_cpm.cp_pepar, PE_ENET_TENA);
 	clrbits32(&immap->im_cpm.cp_pedir, PE_ENET_TENA);
 	setbits32(&immap->im_cpm.cp_peso, PE_ENET_TENA);

 	setbits32(bcsr_io+4, BCSR1_ETHEN);
 	iounmap(bcsr_io);
 }

 static int mac_count = 0;

 static void mpc885ads_fixup_enet_pdata(struct platform_device *pdev, int fs_no)
 {
  	struct fs_platform_info *fpi;
 	bd_t *bd = (bd_t *) __res;
 	char *e;
 	int i;

 	if(fs_no >= ARRAY_SIZE(mpc8xx_enet_pdata)) {
 		printk(KERN_ERR"No network-suitable #%d device on bus", fs_no);
 		return;
 	}

 	fpi = &mpc8xx_enet_pdata[fs_no];

 	switch (fs_no) {
 	case fsid_fec1:
 		fpi->init_ioports = &setup_fec1_ioports;
 		break;
 	case fsid_fec2:
 		fpi->init_ioports = &setup_fec2_ioports;
 		break;
 	case fsid_scc3:
 		fpi->init_ioports = &setup_scc3_ioports;
 		break;
 	default:
     	        printk(KERN_WARNING "Device %s is not supported!\n", pdev->name);
 	        return;
 	}

 	pdev->dev.platform_data = fpi;
 	fpi->fs_no = fs_no;

 	e = (unsigned char *)&bd->bi_enetaddr;
 	for (i = 0; i < 6; i++)
 		fpi->macaddr[i] = *e++;

 	fpi->macaddr[5] += mac_count++;

 }

 static void mpc885ads_fixup_fec_enet_pdata(struct platform_device *pdev,
 					   int idx)
 {
 	/* This is for FEC devices only */
 	if (!pdev || !pdev->name || (!strstr(pdev->name, "fsl-cpm-fec")))
 		return;
 	mpc885ads_fixup_enet_pdata(pdev, fsid_fec1 + pdev->id - 1);
 }

 static void __init mpc885ads_fixup_scc_enet_pdata(struct platform_device *pdev,
 						  int idx)
 {
 	/* This is for SCC devices only */
 	if (!pdev || !pdev->name || (!strstr(pdev->name, "fsl-cpm-scc")))
 		return;

 	mpc885ads_fixup_enet_pdata(pdev, fsid_scc1 + pdev->id - 1);
 }

 static void setup_smc1_ioports(struct fs_uart_platform_info* pdata)
 {
         immap_t *immap = (immap_t *) IMAP_ADDR;
         unsigned *bcsr_io;
         unsigned int iobits = 0x000000c0;

         bcsr_io = ioremap(BCSR1, sizeof(unsigned long));

         if (bcsr_io == NULL) {
                 printk(KERN_CRIT "Could not remap BCSR1\n");
                 return;
         }
         clrbits32(bcsr_io,BCSR1_RS232EN_1);
         iounmap(bcsr_io);

         setbits32(&immap->im_cpm.cp_pbpar, iobits);
         clrbits32(&immap->im_cpm.cp_pbdir, iobits);
         clrbits16(&immap->im_cpm.cp_pbodr, iobits);
 }

 static void setup_smc2_ioports(struct fs_uart_platform_info* pdata)
 {
         immap_t *immap = (immap_t *) IMAP_ADDR;
         unsigned *bcsr_io;
         unsigned int iobits = 0x00000c00;

         bcsr_io = ioremap(BCSR1, sizeof(unsigned long));

         if (bcsr_io == NULL) {
                 printk(KERN_CRIT "Could not remap BCSR1\n");
                 return;
         }
         clrbits32(bcsr_io,BCSR1_RS232EN_2);
         iounmap(bcsr_io);

 #ifndef CONFIG_SERIAL_CPM_ALT_SMC2
         setbits32(&immap->im_cpm.cp_pbpar, iobits);
         clrbits32(&immap->im_cpm.cp_pbdir, iobits);
         clrbits16(&immap->im_cpm.cp_pbodr, iobits);
 #else
         setbits16(&immap->im_ioport.iop_papar, iobits);
         clrbits16(&immap->im_ioport.iop_padir, iobits);
         clrbits16(&immap->im_ioport.iop_paodr, iobits);
 #endif
 }

 static void __init mpc885ads_fixup_uart_pdata(struct platform_device *pdev,
                                               int idx)
 {
 	bd_t *bd = (bd_t *) __res;
 	struct fs_uart_platform_info *pinfo;
 	int num = ARRAY_SIZE(mpc885_uart_pdata);

 	int id = fs_uart_id_smc2fsid(idx);

 	/* no need to alter anything if console */
 	if ((id < num) && (!pdev->dev.platform_data)) {
 		pinfo = &mpc885_uart_pdata[id];
 		pinfo->uart_clk = bd->bi_intfreq;
 		pdev->dev.platform_data = pinfo;
 	}
 }


 static int mpc885ads_platform_notify(struct device *dev)
 {

 	static const struct platform_notify_dev_map dev_map[] = {
 		{
 			.bus_id = "fsl-cpm-fec",
 			.rtn = mpc885ads_fixup_fec_enet_pdata,
 		},
 		{
 			.bus_id = "fsl-cpm-scc",
 			.rtn = mpc885ads_fixup_scc_enet_pdata,
 		},
 		{
 			.bus_id = "fsl-cpm-smc:uart",
 			.rtn = mpc885ads_fixup_uart_pdata
 		},
 		{
 			.bus_id = NULL
 		}
 	};

 	platform_notify_map(dev_map,dev);

 	return 0;
 }

 int __init mpc885ads_init(void)
 {
 	struct fs_mii_fec_platform_info* fmpi;
 	bd_t *bd = (bd_t *) __res;

 	printk(KERN_NOTICE "mpc885ads: Init\n");

 	platform_notify = mpc885ads_platform_notify;

 	ppc_sys_device_initfunc();
 	ppc_sys_device_disable_all();

 	ppc_sys_device_enable(MPC8xx_CPM_FEC1);

 	ppc_sys_device_enable(MPC8xx_MDIO_FEC);
 	fmpi = ppc_sys_platform_devices[MPC8xx_MDIO_FEC].dev.platform_data =
 		&mpc8xx_mdio_fec_pdata;

 	fmpi->mii_speed = ((((bd->bi_intfreq + 4999999) / 2500000) / 2) & 0x3F) << 1;

 	/* No PHY interrupt line here */
 	fmpi->irq[0xf] = SIU_IRQ7;

 #ifdef CONFIG_MPC8xx_SECOND_ETH_SCC3
 	ppc_sys_device_enable(MPC8xx_CPM_SCC3);

 #endif
 #ifdef CONFIG_MPC8xx_SECOND_ETH_FEC2
 	ppc_sys_device_enable(MPC8xx_CPM_FEC2);
 #endif

 #ifdef CONFIG_SERIAL_CPM_SMC1
 	ppc_sys_device_enable(MPC8xx_CPM_SMC1);
 	ppc_sys_device_setfunc(MPC8xx_CPM_SMC1, PPC_SYS_FUNC_UART);
 #endif

 #ifdef CONFIG_SERIAL_CPM_SMC2
 	ppc_sys_device_enable(MPC8xx_CPM_SMC2);
 	ppc_sys_device_setfunc(MPC8xx_CPM_SMC2, PPC_SYS_FUNC_UART);
 #endif
 	return 0;
 }

 arch_initcall(mpc885ads_init);

 /*
    To prevent confusion, console selection is gross:
    by 0 assumed SMC1 and by 1 assumed SMC2
  */
 struct platform_device* early_uart_get_pdev(int index)
 {
 	bd_t *bd = (bd_t *) __res;
 	struct fs_uart_platform_info *pinfo;

 	struct platform_device* pdev = NULL;
 	if(index) { /*assume SMC2 here*/
 		pdev = &ppc_sys_platform_devices[MPC8xx_CPM_SMC2];
 		pinfo = &mpc885_uart_pdata[1];
 	} else { /*over SMC1*/
 		pdev = &ppc_sys_platform_devices[MPC8xx_CPM_SMC1];
 		pinfo = &mpc885_uart_pdata[0];
 	}

 	pinfo->uart_clk = bd->bi_intfreq;
 	pdev->dev.platform_data = pinfo;
 	ppc_sys_fixup_mem_resource(pdev, IMAP_ADDR);
 	return NULL;
 }
	/*arch/ppc/platforms/mpc885ads_setup.c
	*
	* Platform setup for the Freescale mpc885ads board
	*
	* Vitaly Bordug <vbordug@ru.mvista.com>
	*
	* Copyright 2005 MontaVista Software Inc.
	*
	* This file is licensed under the terms of the GNU General Public License
	* version 2. This program is licensed "as is" without any warranty of any
	* kind, whether express or implied.
	*/

	#include <linux/init.h>
	#include <linux/module.h>
	#include <linux/param.h>
	#include <linux/string.h>
	#include <linux/ioport.h>
	#include <linux/device.h>

	#include <linux/fs_enet_pd.h>
	#include <linux/fs_uart_pd.h>
	#include <linux/mii.h>

	#include <asm/delay.h>
	#include <asm/io.h>
	#include <asm/machdep.h>
	#include <asm/page.h>
	#include <asm/processor.h>
	#include <asm/system.h>
	#include <asm/time.h>
	#include <asm/ppcboot.h>
	#include <asm/8xx_immap.h>
	#include <asm/cpm1.h>
	#include <asm/ppc_sys.h>

	extern unsigned char __res[];
	static void setup_smc1_ioports(struct fs_uart_platform_info*);
	static void setup_smc2_ioports(struct fs_uart_platform_info*);

	static struct fs_mii_fec_platform_info mpc8xx_mdio_fec_pdata;
	static void setup_fec1_ioports(struct fs_platform_info*);
	static void setup_fec2_ioports(struct fs_platform_info*);
	static void setup_scc3_ioports(struct fs_platform_info*);

	static struct fs_uart_platform_info mpc885_uart_pdata[] = {
	[fsid_smc1_uart] = {
	.brg = 1,
	.fs_no = fsid_smc1_uart,
	.init_ioports = setup_smc1_ioports,
	.tx_num_fifo = 4,
	.tx_buf_size = 32,
	.rx_num_fifo = 4,
	.rx_buf_size = 32,
	},
	[fsid_smc2_uart] = {
	.brg = 2,
	.fs_no = fsid_smc2_uart,
	.init_ioports = setup_smc2_ioports,
	.tx_num_fifo = 4,
	.tx_buf_size = 32,
	.rx_num_fifo = 4,
	.rx_buf_size = 32,
	},
	};

	static struct fs_platform_info mpc8xx_enet_pdata[] = {
	[fsid_fec1] = {
	.rx_ring = 128,
	.tx_ring = 16,
	.rx_copybreak = 240,

	.use_napi = 1,
	.napi_weight = 17,

	.init_ioports = setup_fec1_ioports,

	.bus_id = "0:00",
	.has_phy = 1,
	},
	[fsid_fec2] = {
	.rx_ring = 128,
	.tx_ring = 16,
	.rx_copybreak = 240,

	.use_napi = 1,
	.napi_weight = 17,

	.init_ioports = setup_fec2_ioports,

	.bus_id = "0:01",
	.has_phy = 1,
	},
	[fsid_scc3] = {
	.rx_ring = 64,
	.tx_ring = 8,
	.rx_copybreak = 240,

	.use_napi = 1,
	.napi_weight = 17,

	.init_ioports = setup_scc3_ioports,
	#ifdef CONFIG_FIXED_MII_10_FDX
	.bus_id = "fixed@100:1",
	#else
	.bus_id = "0:02",
	#endif
	},
	};

	void __init board_init(void)
	{
	cpm8xx_t *cp = cpmp;
	unsigned int *bcsr_io;

	#ifdef CONFIG_FS_ENET
	immap_t immap = (immap_t ) IMAP_ADDR;
	#endif
	bcsr_io = ioremap(BCSR1, sizeof(unsigned long));

	if (bcsr_io == NULL) {
	printk(KERN_CRIT "Could not remap BCSR\n");
	return;
	}
	#ifdef CONFIG_SERIAL_CPM_SMC1
	cp->cp_simode &= ~(0xe0000000 >> 17); /* brg1 */
	clrbits32(bcsr_io, BCSR1_RS232EN_1);
	cp->cp_smc[0].smc_smcm \|= (SMCM_RX \| SMCM_TX);
	cp->cp_smc[0].smc_smcmr &= ~(SMCMR_REN \| SMCMR_TEN);
	#else
	setbits32(bcsr_io,BCSR1_RS232EN_1);
	cp->cp_smc[0].smc_smcmr = 0;
	cp->cp_smc[0].smc_smce = 0;
	#endif

	#ifdef CONFIG_SERIAL_CPM_SMC2
	cp->cp_simode &= ~(0xe0000000 >> 1);
	cp->cp_simode \|= (0x20000000 >> 1); /* brg2 */
	clrbits32(bcsr_io,BCSR1_RS232EN_2);
	cp->cp_smc[1].smc_smcm \|= (SMCM_RX \| SMCM_TX);
	cp->cp_smc[1].smc_smcmr &= ~(SMCMR_REN \| SMCMR_TEN);
	#else
	setbits32(bcsr_io,BCSR1_RS232EN_2);
	cp->cp_smc[1].smc_smcmr = 0;
	cp->cp_smc[1].smc_smce = 0;
	#endif
	iounmap(bcsr_io);

	#ifdef CONFIG_FS_ENET
	/* use MDC for MII (common) */
	setbits16(&immap->im_ioport.iop_pdpar, 0x0080);
	clrbits16(&immap->im_ioport.iop_pddir, 0x0080);
	bcsr_io = ioremap(BCSR5, sizeof(unsigned long));
	clrbits32(bcsr_io,BCSR5_MII1_EN);
	clrbits32(bcsr_io,BCSR5_MII1_RST);
	#ifdef CONFIG_MPC8xx_SECOND_ETH_FEC2
	clrbits32(bcsr_io,BCSR5_MII2_EN);
	clrbits32(bcsr_io,BCSR5_MII2_RST);
	#endif
	iounmap(bcsr_io);
	#endif
	}

	static void setup_fec1_ioports(struct fs_platform_info* pdata)
	{
	immap_t immap = (immap_t ) IMAP_ADDR;

	/* configure FEC1 pins */
	setbits16(&immap->im_ioport.iop_papar, 0xf830);
	setbits16(&immap->im_ioport.iop_padir, 0x0830);
	clrbits16(&immap->im_ioport.iop_padir, 0xf000);
	setbits32(&immap->im_cpm.cp_pbpar, 0x00001001);

	clrbits32(&immap->im_cpm.cp_pbdir, 0x00001001);
	setbits16(&immap->im_ioport.iop_pcpar, 0x000c);
	clrbits16(&immap->im_ioport.iop_pcdir, 0x000c);
	setbits32(&immap->im_cpm.cp_pepar, 0x00000003);

	setbits32(&immap->im_cpm.cp_pedir, 0x00000003);
	clrbits32(&immap->im_cpm.cp_peso, 0x00000003);
	clrbits32(&immap->im_cpm.cp_cptr, 0x00000100);
	}

	static void setup_fec2_ioports(struct fs_platform_info* pdata)
	{
	immap_t immap = (immap_t ) IMAP_ADDR;

	/* configure FEC2 pins */
	setbits32(&immap->im_cpm.cp_pepar, 0x0003fffc);
	setbits32(&immap->im_cpm.cp_pedir, 0x0003fffc);
	clrbits32(&immap->im_cpm.cp_peso, 0x000087fc);
	setbits32(&immap->im_cpm.cp_peso, 0x00037800);
	clrbits32(&immap->im_cpm.cp_cptr, 0x00000080);
	}

	static void setup_scc3_ioports(struct fs_platform_info* pdata)
	{
	immap_t immap = (immap_t ) IMAP_ADDR;
	unsigned *bcsr_io;

	bcsr_io = ioremap(BCSR_ADDR, BCSR_SIZE);

	if (bcsr_io == NULL) {
	printk(KERN_CRIT "Could not remap BCSR\n");
	return;
	}

	/* Enable the PHY.
	*/
	clrbits32(bcsr_io+4, BCSR4_ETH10_RST);
	udelay(1000);
	setbits32(bcsr_io+4, BCSR4_ETH10_RST);
	/* Configure port A pins for Txd and Rxd.
	*/
	setbits16(&immap->im_ioport.iop_papar, PA_ENET_RXD \| PA_ENET_TXD);
	clrbits16(&immap->im_ioport.iop_padir, PA_ENET_RXD \| PA_ENET_TXD);

	/* Configure port C pins to enable CLSN and RENA.
	*/
	clrbits16(&immap->im_ioport.iop_pcpar, PC_ENET_CLSN \| PC_ENET_RENA);
	clrbits16(&immap->im_ioport.iop_pcdir, PC_ENET_CLSN \| PC_ENET_RENA);
	setbits16(&immap->im_ioport.iop_pcso, PC_ENET_CLSN \| PC_ENET_RENA);

	/* Configure port E for TCLK and RCLK.
	*/
	setbits32(&immap->im_cpm.cp_pepar, PE_ENET_TCLK \| PE_ENET_RCLK);
	clrbits32(&immap->im_cpm.cp_pepar, PE_ENET_TENA);
	clrbits32(&immap->im_cpm.cp_pedir,
	PE_ENET_TCLK \| PE_ENET_RCLK \| PE_ENET_TENA);
	clrbits32(&immap->im_cpm.cp_peso, PE_ENET_TCLK \| PE_ENET_RCLK);
	setbits32(&immap->im_cpm.cp_peso, PE_ENET_TENA);

	/* Configure Serial Interface clock routing.
	* First, clear all SCC bits to zero, then set the ones we want.
	*/
	clrbits32(&immap->im_cpm.cp_sicr, SICR_ENET_MASK);
	setbits32(&immap->im_cpm.cp_sicr, SICR_ENET_CLKRT);

	/* Disable Rx and Tx. SMC1 sshould be stopped if SCC3 eternet are used.
	*/
	immap->im_cpm.cp_smc[0].smc_smcmr &= ~(SMCMR_REN \| SMCMR_TEN);
	/* On the MPC885ADS SCC ethernet PHY is initialized in the full duplex mode
	* by H/W setting after reset. SCC ethernet controller support only half duplex.
	* This discrepancy of modes causes a lot of carrier lost errors.
	*/

	/* In the original SCC enet driver the following code is placed at
	the end of the initialization */
	setbits32(&immap->im_cpm.cp_pepar, PE_ENET_TENA);
	clrbits32(&immap->im_cpm.cp_pedir, PE_ENET_TENA);
	setbits32(&immap->im_cpm.cp_peso, PE_ENET_TENA);

	setbits32(bcsr_io+4, BCSR1_ETHEN);
	iounmap(bcsr_io);
	}

	static int mac_count = 0;

	static void mpc885ads_fixup_enet_pdata(struct platform_device *pdev, int fs_no)
	{
	struct fs_platform_info *fpi;
	bd_t bd = (bd_t ) __res;
	char *e;
	int i;

	if(fs_no >= ARRAY_SIZE(mpc8xx_enet_pdata)) {
	printk(KERN_ERR"No network-suitable #%d device on bus", fs_no);
	return;
	}

	fpi = &mpc8xx_enet_pdata[fs_no];

	switch (fs_no) {
	case fsid_fec1:
	fpi->init_ioports = &setup_fec1_ioports;
	break;
	case fsid_fec2:
	fpi->init_ioports = &setup_fec2_ioports;
	break;
	case fsid_scc3:
	fpi->init_ioports = &setup_scc3_ioports;
	break;
	default:
	printk(KERN_WARNING "Device %s is not supported!\n", pdev->name);
	return;
	}

	pdev->dev.platform_data = fpi;
	fpi->fs_no = fs_no;

	e = (unsigned char *)&bd->bi_enetaddr;
	for (i = 0; i < 6; i++)
	fpi->macaddr[i] = *e++;

	fpi->macaddr[5] += mac_count++;

	}

	static void mpc885ads_fixup_fec_enet_pdata(struct platform_device *pdev,
	int idx)
	{
	/* This is for FEC devices only */
	if (!pdev \|\| !pdev->name \|\| (!strstr(pdev->name, "fsl-cpm-fec")))
	return;
	mpc885ads_fixup_enet_pdata(pdev, fsid_fec1 + pdev->id - 1);
	}

	static void __init mpc885ads_fixup_scc_enet_pdata(struct platform_device *pdev,
	int idx)
	{
	/* This is for SCC devices only */
	if (!pdev \|\| !pdev->name \|\| (!strstr(pdev->name, "fsl-cpm-scc")))
	return;

	mpc885ads_fixup_enet_pdata(pdev, fsid_scc1 + pdev->id - 1);
	}

	static void setup_smc1_ioports(struct fs_uart_platform_info* pdata)
	{
	immap_t immap = (immap_t ) IMAP_ADDR;
	unsigned *bcsr_io;
	unsigned int iobits = 0x000000c0;

	bcsr_io = ioremap(BCSR1, sizeof(unsigned long));

	if (bcsr_io == NULL) {
	printk(KERN_CRIT "Could not remap BCSR1\n");
	return;
	}
	clrbits32(bcsr_io,BCSR1_RS232EN_1);
	iounmap(bcsr_io);

	setbits32(&immap->im_cpm.cp_pbpar, iobits);
	clrbits32(&immap->im_cpm.cp_pbdir, iobits);
	clrbits16(&immap->im_cpm.cp_pbodr, iobits);
	}

	static void setup_smc2_ioports(struct fs_uart_platform_info* pdata)
	{
	immap_t immap = (immap_t ) IMAP_ADDR;
	unsigned *bcsr_io;
	unsigned int iobits = 0x00000c00;

	bcsr_io = ioremap(BCSR1, sizeof(unsigned long));

	if (bcsr_io == NULL) {
	printk(KERN_CRIT "Could not remap BCSR1\n");
	return;
	}
	clrbits32(bcsr_io,BCSR1_RS232EN_2);
	iounmap(bcsr_io);

	#ifndef CONFIG_SERIAL_CPM_ALT_SMC2
	setbits32(&immap->im_cpm.cp_pbpar, iobits);
	clrbits32(&immap->im_cpm.cp_pbdir, iobits);
	clrbits16(&immap->im_cpm.cp_pbodr, iobits);
	#else
	setbits16(&immap->im_ioport.iop_papar, iobits);
	clrbits16(&immap->im_ioport.iop_padir, iobits);
	clrbits16(&immap->im_ioport.iop_paodr, iobits);
	#endif
	}

	static void __init mpc885ads_fixup_uart_pdata(struct platform_device *pdev,
	int idx)
	{
	bd_t bd = (bd_t ) __res;
	struct fs_uart_platform_info *pinfo;
	int num = ARRAY_SIZE(mpc885_uart_pdata);

	int id = fs_uart_id_smc2fsid(idx);

	/* no need to alter anything if console */
	if ((id < num) && (!pdev->dev.platform_data)) {
	pinfo = &mpc885_uart_pdata[id];
	pinfo->uart_clk = bd->bi_intfreq;
	pdev->dev.platform_data = pinfo;
	}
	}


	static int mpc885ads_platform_notify(struct device *dev)
	{

	static const struct platform_notify_dev_map dev_map[] = {
	{
	.bus_id = "fsl-cpm-fec",
	.rtn = mpc885ads_fixup_fec_enet_pdata,
	},
	{
	.bus_id = "fsl-cpm-scc",
	.rtn = mpc885ads_fixup_scc_enet_pdata,
	},
	{
	.bus_id = "fsl-cpm-smc:uart",
	.rtn = mpc885ads_fixup_uart_pdata
	},
	{
	.bus_id = NULL
	}
	};

	platform_notify_map(dev_map,dev);

	return 0;
	}

	int __init mpc885ads_init(void)
	{
	struct fs_mii_fec_platform_info* fmpi;
	bd_t bd = (bd_t ) __res;

	printk(KERN_NOTICE "mpc885ads: Init\n");

	platform_notify = mpc885ads_platform_notify;

	ppc_sys_device_initfunc();
	ppc_sys_device_disable_all();

	ppc_sys_device_enable(MPC8xx_CPM_FEC1);

	ppc_sys_device_enable(MPC8xx_MDIO_FEC);
	fmpi = ppc_sys_platform_devices[MPC8xx_MDIO_FEC].dev.platform_data =
	&mpc8xx_mdio_fec_pdata;

	fmpi->mii_speed = ((((bd->bi_intfreq + 4999999) / 2500000) / 2) & 0x3F) << 1;

	/* No PHY interrupt line here */
	fmpi->irq[0xf] = SIU_IRQ7;

	#ifdef CONFIG_MPC8xx_SECOND_ETH_SCC3
	ppc_sys_device_enable(MPC8xx_CPM_SCC3);

	#endif
	#ifdef CONFIG_MPC8xx_SECOND_ETH_FEC2
	ppc_sys_device_enable(MPC8xx_CPM_FEC2);
	#endif

	#ifdef CONFIG_SERIAL_CPM_SMC1
	ppc_sys_device_enable(MPC8xx_CPM_SMC1);
	ppc_sys_device_setfunc(MPC8xx_CPM_SMC1, PPC_SYS_FUNC_UART);
	#endif

	#ifdef CONFIG_SERIAL_CPM_SMC2
	ppc_sys_device_enable(MPC8xx_CPM_SMC2);
	ppc_sys_device_setfunc(MPC8xx_CPM_SMC2, PPC_SYS_FUNC_UART);
	#endif
	return 0;
	}

	arch_initcall(mpc885ads_init);

	/*
	To prevent confusion, console selection is gross:
	by 0 assumed SMC1 and by 1 assumed SMC2
	*/
	struct platform_device* early_uart_get_pdev(int index)
	{
	bd_t bd = (bd_t ) __res;
	struct fs_uart_platform_info *pinfo;

	struct platform_device* pdev = NULL;
	if(index) { /assume SMC2 here/
	pdev = &ppc_sys_platform_devices[MPC8xx_CPM_SMC2];
	pinfo = &mpc885_uart_pdata[1];
	} else { /over SMC1/
	pdev = &ppc_sys_platform_devices[MPC8xx_CPM_SMC1];
	pinfo = &mpc885_uart_pdata[0];
	}

	pinfo->uart_clk = bd->bi_intfreq;
	pdev->dev.platform_data = pinfo;
	ppc_sys_fixup_mem_resource(pdev, IMAP_ADDR);
	return NULL;
	}