diff options
Diffstat (limited to 'arch/ppc/platforms/mpc885ads_setup.c')
| -rw-r--r-- | arch/ppc/platforms/mpc885ads_setup.c | 476 |
1 files changed, 0 insertions, 476 deletions
diff --git a/arch/ppc/platforms/mpc885ads_setup.c b/arch/ppc/platforms/mpc885ads_setup.c deleted file mode 100644 index ba06cc0..0000000 --- a/arch/ppc/platforms/mpc885ads_setup.c +++ /dev/null @@ -1,476 +0,0 @@ -/*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; -} - |