diff options
Diffstat (limited to 'arch/ppc/platforms/mpc866ads_setup.c')
| -rw-r--r-- | arch/ppc/platforms/mpc866ads_setup.c | 413 |
1 files changed, 0 insertions, 413 deletions
diff --git a/arch/ppc/platforms/mpc866ads_setup.c b/arch/ppc/platforms/mpc866ads_setup.c deleted file mode 100644 index 62370f4a5a0..00000000000 --- a/arch/ppc/platforms/mpc866ads_setup.c +++ /dev/null @@ -1,413 +0,0 @@ -/*arch/ppc/platforms/mpc866ads_setup.c - * - * Platform setup for the Freescale mpc866ads board - * - * Vitaly Bordug <vbordug@ru.mvista.com> - * - * Copyright 2005-2006 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 <linux/phy.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> -#include <asm/mpc8xx.h> - -extern unsigned char __res[]; - -static void setup_fec1_ioports(struct fs_platform_info*); -static void setup_scc1_ioports(struct fs_platform_info*); -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 struct fs_mii_fec_platform_info mpc8xx_mdio_fec_pdata; - -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 = "0:0f", - .has_phy = 1, - }, - [fsid_scc1] = { - .rx_ring = 64, - .tx_ring = 8, - .rx_copybreak = 240, - .use_napi = 1, - .napi_weight = 17, - - - .init_ioports = setup_scc1_ioports, - - .bus_id = "fixed@100:1", - }, -}; - -static struct fs_uart_platform_info mpc866_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, - }, -}; - -void __init board_init(void) -{ - volatile cpm8xx_t *cp = cpmp; - unsigned *bcsr_io; - - bcsr_io = ioremap(BCSR1, sizeof(unsigned long)); - - if (bcsr_io == NULL) { - printk(KERN_CRIT "Could not remap BCSR1\n"); - return; - } - -#ifdef CONFIG_SERIAL_CPM_SMC1 - cp->cp_simode &= ~(0xe0000000 >> 17); /* brg1 */ - clrbits32(bcsr_io,(0x80000000 >> 7)); - cp->cp_smc[0].smc_smcm |= (SMCM_RX | SMCM_TX); - cp->cp_smc[0].smc_smcmr &= ~(SMCMR_REN | SMCMR_TEN); -#else - setbits32(bcsr_io,(0x80000000 >> 7)); - - cp->cp_pbpar &= ~(0x000000c0); - cp->cp_pbdir |= 0x000000c0; - 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,(0x80000000 >> 13)); - cp->cp_smc[1].smc_smcm |= (SMCM_RX | SMCM_TX); - cp->cp_smc[1].smc_smcmr &= ~(SMCMR_REN | SMCMR_TEN); -#else - clrbits32(bcsr_io,(0x80000000 >> 13)); - cp->cp_pbpar &= ~(0x00000c00); - cp->cp_pbdir |= 0x00000c00; - cp->cp_smc[1].smc_smcmr = 0; - cp->cp_smc[1].smc_smce = 0; -#endif - iounmap(bcsr_io); -} - -static void setup_fec1_ioports(struct fs_platform_info* pdata) -{ - immap_t *immap = (immap_t *) IMAP_ADDR; - - setbits16(&immap->im_ioport.iop_pdpar, 0x1fff); - setbits16(&immap->im_ioport.iop_pddir, 0x1fff); -} - -static void setup_scc1_ioports(struct fs_platform_info* pdata) -{ - immap_t *immap = (immap_t *) IMAP_ADDR; - unsigned *bcsr_io; - - bcsr_io = ioremap(BCSR1, sizeof(unsigned long)); - - if (bcsr_io == NULL) { - printk(KERN_CRIT "Could not remap BCSR1\n"); - return; - } - - /* Enable the PHY. - */ - clrbits32(bcsr_io,BCSR1_ETHEN); - - /* Configure port A pins for Txd and Rxd. - */ - /* Disable receive and transmit in case EPPC-Bug started it. - */ - setbits16(&immap->im_ioport.iop_papar, PA_ENET_RXD | PA_ENET_TXD); - clrbits16(&immap->im_ioport.iop_padir, PA_ENET_RXD | PA_ENET_TXD); - clrbits16(&immap->im_ioport.iop_paodr, 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 A for TCLK and RCLK. - */ - setbits16(&immap->im_ioport.iop_papar, PA_ENET_TCLK | PA_ENET_RCLK); - clrbits16(&immap->im_ioport.iop_padir, PA_ENET_TCLK | PA_ENET_RCLK); - clrbits32(&immap->im_cpm.cp_pbpar, PB_ENET_TENA); - clrbits32(&immap->im_cpm.cp_pbdir, PB_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); - - /* In the original SCC enet driver the following code is placed at - the end of the initialization */ - setbits32(&immap->im_cpm.cp_pbpar, PB_ENET_TENA); - setbits32(&immap->im_cpm.cp_pbdir, PB_ENET_TENA); - -} - -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 int ma_count = 0; - -static void mpc866ads_fixup_enet_pdata(struct platform_device *pdev, int fs_no) -{ - struct fs_platform_info *fpi; - - volatile cpm8xx_t *cp; - bd_t *bd = (bd_t *) __res; - char *e; - int i; - - /* Get pointer to Communication Processor */ - cp = cpmp; - - 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]; - fpi->fs_no = fs_no; - pdev->dev.platform_data = fpi; - - e = (unsigned char *)&bd->bi_enetaddr; - for (i = 0; i < 6; i++) - fpi->macaddr[i] = *e++; - - fpi->macaddr[5] += ma_count++; -} - -static void mpc866ads_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; - mpc866ads_fixup_enet_pdata(pdev, fsid_fec1 + pdev->id - 1); -} - -static void mpc866ads_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; - - mpc866ads_fixup_enet_pdata(pdev, fsid_scc1 + pdev->id - 1); -} - -static void __init mpc866ads_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(mpc866_uart_pdata); - - int id = fs_uart_id_smc2fsid(idx); - - /* no need to alter anything if console */ - if ((id < num) && (!pdev->dev.platform_data)) { - pinfo = &mpc866_uart_pdata[id]; - pinfo->uart_clk = bd->bi_intfreq; - pdev->dev.platform_data = pinfo; - } -} - -static int mpc866ads_platform_notify(struct device *dev) -{ - static const struct platform_notify_dev_map dev_map[] = { - { - .bus_id = "fsl-cpm-fec", - .rtn = mpc866ads_fixup_fec_enet_pdata, - }, - { - .bus_id = "fsl-cpm-scc", - .rtn = mpc866ads_fixup_scc_enet_pdata, - }, - { - .bus_id = "fsl-cpm-smc:uart", - .rtn = mpc866ads_fixup_uart_pdata - }, - { - .bus_id = NULL - } - }; - - platform_notify_map(dev_map,dev); - - return 0; -} - -int __init mpc866ads_init(void) -{ - bd_t *bd = (bd_t *) __res; - struct fs_mii_fec_platform_info* fmpi; - - printk(KERN_NOTICE "mpc866ads: Init\n"); - - platform_notify = mpc866ads_platform_notify; - - ppc_sys_device_initfunc(); - ppc_sys_device_disable_all(); - -#ifdef CONFIG_MPC8xx_SECOND_ETH_SCC1 - ppc_sys_device_enable(MPC8xx_CPM_SCC1); -#endif - 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] = PHY_POLL; - -/* Since either of the uarts could be used as console, they need to ready */ -#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 - 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] = PHY_POLL; - - return 0; -} - -/* - 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 = &mpc866_uart_pdata[1]; - } else { /*over SMC1*/ - pdev = &ppc_sys_platform_devices[MPC8xx_CPM_SMC1]; - pinfo = &mpc866_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_initcall(mpc866ads_init); |