| /* |
| * arch/ppc/platforms/mpc8272ads_setup.c |
| * |
| * MPC82xx Board-specific PlatformDevice descriptions |
| * |
| * 2005 (c) MontaVista Software, Inc. |
| * Vitaly Bordug <vbordug@ru.mvista.com> |
| * |
| * 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/device.h> |
| #include <linux/ioport.h> |
| #include <linux/fs_enet_pd.h> |
| #include <linux/platform_device.h> |
| |
| #include <asm/io.h> |
| #include <asm/mpc8260.h> |
| #include <asm/cpm2.h> |
| #include <asm/immap_cpm2.h> |
| #include <asm/irq.h> |
| #include <asm/ppc_sys.h> |
| #include <asm/ppcboot.h> |
| #include <linux/fs_uart_pd.h> |
| |
| #include "pq2ads_pd.h" |
| |
| static void init_fcc1_ioports(void); |
| static void init_fcc2_ioports(void); |
| static void init_scc1_uart_ioports(void); |
| static void init_scc4_uart_ioports(void); |
| |
| static struct fs_uart_platform_info mpc8272_uart_pdata[] = { |
| [fsid_scc1_uart] = { |
| .init_ioports = init_scc1_uart_ioports, |
| .fs_no = fsid_scc1_uart, |
| .brg = 1, |
| .tx_num_fifo = 4, |
| .tx_buf_size = 32, |
| .rx_num_fifo = 4, |
| .rx_buf_size = 32, |
| }, |
| [fsid_scc4_uart] = { |
| .init_ioports = init_scc4_uart_ioports, |
| .fs_no = fsid_scc4_uart, |
| .brg = 4, |
| .tx_num_fifo = 4, |
| .tx_buf_size = 32, |
| .rx_num_fifo = 4, |
| .rx_buf_size = 32, |
| }, |
| }; |
| |
| static struct fs_mii_bb_platform_info m82xx_mii_bb_pdata = { |
| .mdio_dat.bit = 18, |
| .mdio_dir.bit = 18, |
| .mdc_dat.bit = 19, |
| .delay = 1, |
| }; |
| |
| static struct fs_platform_info mpc82xx_enet_pdata[] = { |
| [fsid_fcc1] = { |
| .fs_no = fsid_fcc1, |
| .cp_page = CPM_CR_FCC1_PAGE, |
| .cp_block = CPM_CR_FCC1_SBLOCK, |
| |
| .clk_trx = (PC_F1RXCLK | PC_F1TXCLK), |
| .clk_route = CMX1_CLK_ROUTE, |
| .clk_mask = CMX1_CLK_MASK, |
| .init_ioports = init_fcc1_ioports, |
| |
| .mem_offset = FCC1_MEM_OFFSET, |
| |
| .rx_ring = 32, |
| .tx_ring = 32, |
| .rx_copybreak = 240, |
| .use_napi = 0, |
| .napi_weight = 17, |
| .bus_id = "0:00", |
| }, |
| [fsid_fcc2] = { |
| .fs_no = fsid_fcc2, |
| .cp_page = CPM_CR_FCC2_PAGE, |
| .cp_block = CPM_CR_FCC2_SBLOCK, |
| .clk_trx = (PC_F2RXCLK | PC_F2TXCLK), |
| .clk_route = CMX2_CLK_ROUTE, |
| .clk_mask = CMX2_CLK_MASK, |
| .init_ioports = init_fcc2_ioports, |
| |
| .mem_offset = FCC2_MEM_OFFSET, |
| |
| .rx_ring = 32, |
| .tx_ring = 32, |
| .rx_copybreak = 240, |
| .use_napi = 0, |
| .napi_weight = 17, |
| .bus_id = "0:03", |
| }, |
| }; |
| |
| static void init_fcc1_ioports(struct fs_platform_info*) |
| { |
| struct io_port *io; |
| u32 tempval; |
| cpm2_map_t* immap = ioremap(CPM_MAP_ADDR, sizeof(cpm2_map_t)); |
| u32 *bcsr = ioremap(BCSR_ADDR+4, sizeof(u32)); |
| |
| io = &immap->im_ioport; |
| |
| /* Enable the PHY */ |
| clrbits32(bcsr, BCSR1_FETHIEN); |
| setbits32(bcsr, BCSR1_FETH_RST); |
| |
| /* FCC1 pins are on port A/C. */ |
| /* Configure port A and C pins for FCC1 Ethernet. */ |
| |
| tempval = in_be32(&io->iop_pdira); |
| tempval &= ~PA1_DIRA0; |
| tempval |= PA1_DIRA1; |
| out_be32(&io->iop_pdira, tempval); |
| |
| tempval = in_be32(&io->iop_psora); |
| tempval &= ~PA1_PSORA0; |
| tempval |= PA1_PSORA1; |
| out_be32(&io->iop_psora, tempval); |
| |
| setbits32(&io->iop_ppara,PA1_DIRA0 | PA1_DIRA1); |
| |
| /* Alter clocks */ |
| tempval = PC_F1TXCLK|PC_F1RXCLK; |
| |
| clrbits32(&io->iop_psorc, tempval); |
| clrbits32(&io->iop_pdirc, tempval); |
| setbits32(&io->iop_pparc, tempval); |
| |
| clrbits32(&immap->im_cpmux.cmx_fcr, CMX1_CLK_MASK); |
| setbits32(&immap->im_cpmux.cmx_fcr, CMX1_CLK_ROUTE); |
| iounmap(bcsr); |
| iounmap(immap); |
| } |
| |
| static void init_fcc2_ioports(struct fs_platform_info*) |
| { |
| cpm2_map_t* immap = ioremap(CPM_MAP_ADDR, sizeof(cpm2_map_t)); |
| u32 *bcsr = ioremap(BCSR_ADDR+12, sizeof(u32)); |
| |
| struct io_port *io; |
| u32 tempval; |
| |
| immap = cpm2_immr; |
| |
| io = &immap->im_ioport; |
| |
| /* Enable the PHY */ |
| clrbits32(bcsr, BCSR3_FETHIEN2); |
| setbits32(bcsr, BCSR3_FETH2_RST); |
| |
| /* FCC2 are port B/C. */ |
| /* Configure port A and C pins for FCC2 Ethernet. */ |
| |
| tempval = in_be32(&io->iop_pdirb); |
| tempval &= ~PB2_DIRB0; |
| tempval |= PB2_DIRB1; |
| out_be32(&io->iop_pdirb, tempval); |
| |
| tempval = in_be32(&io->iop_psorb); |
| tempval &= ~PB2_PSORB0; |
| tempval |= PB2_PSORB1; |
| out_be32(&io->iop_psorb, tempval); |
| |
| setbits32(&io->iop_pparb,PB2_DIRB0 | PB2_DIRB1); |
| |
| tempval = PC_F2RXCLK|PC_F2TXCLK; |
| |
| /* Alter clocks */ |
| clrbits32(&io->iop_psorc,tempval); |
| clrbits32(&io->iop_pdirc,tempval); |
| setbits32(&io->iop_pparc,tempval); |
| |
| clrbits32(&immap->im_cpmux.cmx_fcr, CMX2_CLK_MASK); |
| setbits32(&immap->im_cpmux.cmx_fcr, CMX2_CLK_ROUTE); |
| |
| iounmap(bcsr); |
| iounmap(immap); |
| } |
| |
| |
| static void __init mpc8272ads_fixup_enet_pdata(struct platform_device *pdev, |
| int idx) |
| { |
| bd_t* bi = (void*)__res; |
| int fs_no = fsid_fcc1+pdev->id-1; |
| |
| if(fs_no > ARRAY_SIZE(mpc82xx_enet_pdata)) { |
| return; |
| } |
| |
| mpc82xx_enet_pdata[fs_no].dpram_offset= |
| (u32)cpm2_immr->im_dprambase; |
| mpc82xx_enet_pdata[fs_no].fcc_regs_c = |
| (u32)cpm2_immr->im_fcc_c; |
| memcpy(&mpc82xx_enet_pdata[fs_no].macaddr,bi->bi_enetaddr,6); |
| |
| /* prevent dup mac */ |
| if(fs_no == fsid_fcc2) |
| mpc82xx_enet_pdata[fs_no].macaddr[5] ^= 1; |
| |
| pdev->dev.platform_data = &mpc82xx_enet_pdata[fs_no]; |
| } |
| |
| static void mpc8272ads_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(mpc8272_uart_pdata); |
| int id = fs_uart_id_scc2fsid(idx); |
| |
| /* no need to alter anything if console */ |
| if ((id <= num) && (!pdev->dev.platform_data)) { |
| pinfo = &mpc8272_uart_pdata[id]; |
| pinfo->uart_clk = bd->bi_intfreq; |
| pdev->dev.platform_data = pinfo; |
| } |
| } |
| |
| static void init_scc1_uart_ioports(struct fs_uart_platform_info*) |
| { |
| cpm2_map_t* immap = ioremap(CPM_MAP_ADDR, sizeof(cpm2_map_t)); |
| |
| /* SCC1 is only on port D */ |
| setbits32(&immap->im_ioport.iop_ppard,0x00000003); |
| clrbits32(&immap->im_ioport.iop_psord,0x00000001); |
| setbits32(&immap->im_ioport.iop_psord,0x00000002); |
| clrbits32(&immap->im_ioport.iop_pdird,0x00000001); |
| setbits32(&immap->im_ioport.iop_pdird,0x00000002); |
| |
| /* Wire BRG1 to SCC1 */ |
| clrbits32(&immap->im_cpmux.cmx_scr,0x00ffffff); |
| |
| iounmap(immap); |
| } |
| |
| static void init_scc4_uart_ioports(struct fs_uart_platform_info*) |
| { |
| cpm2_map_t* immap = ioremap(CPM_MAP_ADDR, sizeof(cpm2_map_t)); |
| |
| setbits32(&immap->im_ioport.iop_ppard,0x00000600); |
| clrbits32(&immap->im_ioport.iop_psord,0x00000600); |
| clrbits32(&immap->im_ioport.iop_pdird,0x00000200); |
| setbits32(&immap->im_ioport.iop_pdird,0x00000400); |
| |
| /* Wire BRG4 to SCC4 */ |
| clrbits32(&immap->im_cpmux.cmx_scr,0x000000ff); |
| setbits32(&immap->im_cpmux.cmx_scr,0x0000001b); |
| |
| iounmap(immap); |
| } |
| |
| static void __init mpc8272ads_fixup_mdio_pdata(struct platform_device *pdev, |
| int idx) |
| { |
| m82xx_mii_bb_pdata.irq[0] = PHY_INTERRUPT; |
| m82xx_mii_bb_pdata.irq[1] = -1; |
| m82xx_mii_bb_pdata.irq[2] = -1; |
| m82xx_mii_bb_pdata.irq[3] = PHY_INTERRUPT; |
| m82xx_mii_bb_pdata.irq[31] = -1; |
| |
| |
| m82xx_mii_bb_pdata.mdio_dat.offset = |
| (u32)&cpm2_immr->im_ioport.iop_pdatc; |
| |
| m82xx_mii_bb_pdata.mdio_dir.offset = |
| (u32)&cpm2_immr->im_ioport.iop_pdirc; |
| |
| m82xx_mii_bb_pdata.mdc_dat.offset = |
| (u32)&cpm2_immr->im_ioport.iop_pdatc; |
| |
| |
| pdev->dev.platform_data = &m82xx_mii_bb_pdata; |
| } |
| |
| static int mpc8272ads_platform_notify(struct device *dev) |
| { |
| static const struct platform_notify_dev_map dev_map[] = { |
| { |
| .bus_id = "fsl-cpm-fcc", |
| .rtn = mpc8272ads_fixup_enet_pdata, |
| }, |
| { |
| .bus_id = "fsl-cpm-scc:uart", |
| .rtn = mpc8272ads_fixup_uart_pdata, |
| }, |
| { |
| .bus_id = "fsl-bb-mdio", |
| .rtn = mpc8272ads_fixup_mdio_pdata, |
| }, |
| { |
| .bus_id = NULL |
| } |
| }; |
| platform_notify_map(dev_map,dev); |
| |
| return 0; |
| |
| } |
| |
| int __init mpc8272ads_init(void) |
| { |
| printk(KERN_NOTICE "mpc8272ads: Init\n"); |
| |
| platform_notify = mpc8272ads_platform_notify; |
| |
| ppc_sys_device_initfunc(); |
| |
| ppc_sys_device_disable_all(); |
| ppc_sys_device_enable(MPC82xx_CPM_FCC1); |
| ppc_sys_device_enable(MPC82xx_CPM_FCC2); |
| |
| /* to be ready for console, let's attach pdata here */ |
| #ifdef CONFIG_SERIAL_CPM_SCC1 |
| ppc_sys_device_setfunc(MPC82xx_CPM_SCC1, PPC_SYS_FUNC_UART); |
| ppc_sys_device_enable(MPC82xx_CPM_SCC1); |
| |
| #endif |
| |
| #ifdef CONFIG_SERIAL_CPM_SCC4 |
| ppc_sys_device_setfunc(MPC82xx_CPM_SCC4, PPC_SYS_FUNC_UART); |
| ppc_sys_device_enable(MPC82xx_CPM_SCC4); |
| #endif |
| |
| ppc_sys_device_enable(MPC82xx_MDIO_BB); |
| |
| return 0; |
| } |
| |
| /* |
| To prevent confusion, console selection is gross: |
| by 0 assumed SCC1 and by 1 assumed SCC4 |
| */ |
| 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 SCC4 here*/ |
| pdev = &ppc_sys_platform_devices[MPC82xx_CPM_SCC4]; |
| pinfo = &mpc8272_uart_pdata[fsid_scc4_uart]; |
| } else { /*over SCC1*/ |
| pdev = &ppc_sys_platform_devices[MPC82xx_CPM_SCC1]; |
| pinfo = &mpc8272_uart_pdata[fsid_scc1_uart]; |
| } |
| |
| pinfo->uart_clk = bd->bi_intfreq; |
| pdev->dev.platform_data = pinfo; |
| ppc_sys_fixup_mem_resource(pdev, CPM_MAP_ADDR); |
| return NULL; |
| } |
| |
| arch_initcall(mpc8272ads_init); |