1 | /* |
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2 | * $Id$ |
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3 | */ |
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4 | |
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5 | #include <bsp.h> |
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6 | #include <libchip/smc91111exp.h> |
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7 | #include <rtems/bspIo.h> |
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8 | |
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9 | |
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10 | #define SMC91111_BASE_ADDR (void*)0x20000300 |
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11 | #define SMC91111_BASE_IRQ 4 |
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12 | #define SMC91111_BASE_PIO 4 |
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13 | |
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14 | scmv91111_configuration_t leon_scmv91111_configuration = { |
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15 | SMC91111_BASE_ADDR, /* base address */ |
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16 | SMC91111_BASE_IRQ, /* IRQ number (on LEON vector is irq) */ |
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17 | SMC91111_BASE_PIO, /* PIO */ |
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18 | 100, /* 100b */ |
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19 | 1, /* fulldx */ |
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20 | 1 /* autoneg */ |
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21 | }; |
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22 | |
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23 | int _rtems_smc91111_driver_attach (struct rtems_bsdnet_ifconfig *config, |
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24 | scmv91111_configuration_t * scm_config); |
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25 | |
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26 | /* |
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27 | * Attach an SMC91111 driver to the system |
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28 | */ |
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29 | int |
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30 | rtems_smc91111_driver_attach_leon3 (struct rtems_bsdnet_ifconfig *config, |
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31 | int attach) |
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32 | { |
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33 | unsigned long addr_mctrl = 0; |
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34 | LEON3_IOPORT_Regs_Map *io; |
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35 | |
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36 | amba_apb_device apbpio; |
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37 | amba_ahb_device apbmctrl; |
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38 | |
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39 | if ( amba_find_apbslv(&amba_conf,VENDOR_GAISLER,GAISLER_PIOPORT,&apbpio) != 1 ){ |
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40 | printk("SMC9111_leon3: didn't find PIO\n"); |
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41 | return 0; |
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42 | } |
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43 | |
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44 | /* Find LEON2 memory controller */ |
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45 | if ( amba_find_ahbslv(&amba_conf,VENDOR_ESA,ESA_MCTRL,&apbmctrl) != 1 ){ |
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46 | /* LEON2 memory controller not found, search for fault tolerant memory controller */ |
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47 | if ( amba_find_ahbslv(&amba_conf,VENDOR_GAISLER,GAISLER_FTMCTRL,&apbmctrl) != 1 ) { |
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48 | printk("SMC9111_leon3: didn't find any memory controller\n"); |
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49 | return 0; |
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50 | } |
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51 | } |
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52 | |
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53 | /* Get controller address */ |
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54 | addr_mctrl = (unsigned long) apbmctrl.start; |
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55 | io = (LEON3_IOPORT_Regs_Map *) apbpio.start; |
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56 | |
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57 | printk( |
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58 | "Activating Leon3 io port for smsc_lan91cxx (pio:%x mctrl:%x)\n", |
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59 | (unsigned int)io, |
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60 | (unsigned int)addr_mctrl); |
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61 | |
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62 | /* Setup PIO IRQ */ |
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63 | io->irqmask |= (1 << leon_scmv91111_configuration.pio); |
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64 | io->irqpol |= (1 << leon_scmv91111_configuration.pio); |
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65 | io->irqedge |= (1 << leon_scmv91111_configuration.pio); |
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66 | io->iodir &= ~(1 << leon_scmv91111_configuration.pio); |
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67 | |
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68 | /* Setup memory controller I/O waitstates */ |
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69 | *((volatile unsigned int *) addr_mctrl) |= 0x10f80000; /* enable I/O area access */ |
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70 | |
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71 | return _rtems_smc91111_driver_attach (config, |
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72 | &leon_scmv91111_configuration); |
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73 | }; |
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