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   1 /*
   2  * arch/ppc/platforms/4xx/ibm440ep.c
   3  *
   4  * PPC440EP I/O descriptions
   5  *
   6  * Wade Farnsworth <wfarnsworth@mvista.com>
   7  * Copyright 2004 MontaVista Software Inc.
   8  *
   9  * This program is free software; you can redistribute  it and/or modify it
  10  * under  the terms of  the GNU General  Public License as published by the
  11  * Free Software Foundation;  either version 2 of the  License, or (at your
  12  * option) any later version.
  13  *
  14  */
  15 #include <linux/init.h>
  16 #include <linux/module.h>
  17 #include <linux/platform_device.h>
  18 #include <platforms/4xx/ibm440ep.h>
  19 #include <asm/ocp.h>
  20 #include <asm/ppc4xx_pic.h>
  21
  22 static struct ocp_func_emac_data ibm440ep_emac0_def = {
  23         .rgmii_idx      = -1,           /* No RGMII */
  24         .rgmii_mux      = -1,           /* No RGMII */
  25         .zmii_idx       = 0,            /* ZMII device index */
  26         .zmii_mux       = 0,            /* ZMII input of this EMAC */
  27         .mal_idx        = 0,            /* MAL device index */
  28         .mal_rx_chan    = 0,            /* MAL rx channel number */
  29         .mal_tx_chan    = 0,            /* MAL tx channel number */
  30         .wol_irq        = 61,           /* WOL interrupt number */
  31         .mdio_idx       = -1,           /* No shared MDIO */
  32         .tah_idx        = -1,           /* No TAH */
  33 };
  34
  35 static struct ocp_func_emac_data ibm440ep_emac1_def = {
  36         .rgmii_idx      = -1,           /* No RGMII */
  37         .rgmii_mux      = -1,           /* No RGMII */
  38         .zmii_idx       = 0,            /* ZMII device index */
  39         .zmii_mux       = 1,            /* ZMII input of this EMAC */
  40         .mal_idx        = 0,            /* MAL device index */
  41         .mal_rx_chan    = 1,            /* MAL rx channel number */
  42         .mal_tx_chan    = 2,            /* MAL tx channel number */
  43         .wol_irq        = 63,           /* WOL interrupt number */
  44         .mdio_idx       = -1,           /* No shared MDIO */
  45         .tah_idx        = -1,           /* No TAH */
  46 };
  47 OCP_SYSFS_EMAC_DATA()
  48
  49 static struct ocp_func_mal_data ibm440ep_mal0_def = {
  50         .num_tx_chans   = 4,            /* Number of TX channels */
  51         .num_rx_chans   = 2,            /* Number of RX channels */
  52         .txeob_irq      = 10,           /* TX End Of Buffer IRQ  */
  53         .rxeob_irq      = 11,           /* RX End Of Buffer IRQ  */
  54         .txde_irq       = 33,           /* TX Descriptor Error IRQ */
  55         .rxde_irq       = 34,           /* RX Descriptor Error IRQ */
  56         .serr_irq       = 32,           /* MAL System Error IRQ    */
  57         .dcr_base       = DCRN_MAL_BASE /* MAL0_CFG DCR number */
  58 };
  59 OCP_SYSFS_MAL_DATA()
  60
  61 static struct ocp_func_iic_data ibm440ep_iic0_def = {
  62         .fast_mode      = 0,            /* Use standad mode (100Khz) */
  63 };
  64
  65 static struct ocp_func_iic_data ibm440ep_iic1_def = {
  66         .fast_mode      = 0,            /* Use standad mode (100Khz) */
  67 };
  68 OCP_SYSFS_IIC_DATA()
  69
  70 struct ocp_def core_ocp[] = {
  71         { .vendor       = OCP_VENDOR_IBM,
  72           .function     = OCP_FUNC_OPB,
  73           .index        = 0,
  74           .paddr        = 0x0EF600000ULL,
  75           .irq          = OCP_IRQ_NA,
  76           .pm           = OCP_CPM_NA,
  77         },
  78         { .vendor       = OCP_VENDOR_IBM,
  79           .function     = OCP_FUNC_16550,
  80           .index        = 0,
  81           .paddr        = PPC440EP_UART0_ADDR,
  82           .irq          = UART0_INT,
  83           .pm           = IBM_CPM_UART0,
  84         },
  85         { .vendor       = OCP_VENDOR_IBM,
  86           .function     = OCP_FUNC_16550,
  87           .index        = 1,
  88           .paddr        = PPC440EP_UART1_ADDR,
  89           .irq          = UART1_INT,
  90           .pm           = IBM_CPM_UART1,
  91         },
  92         { .vendor       = OCP_VENDOR_IBM,
  93           .function     = OCP_FUNC_16550,
  94           .index        = 2,
  95           .paddr        = PPC440EP_UART2_ADDR,
  96           .irq          = UART2_INT,
  97           .pm           = IBM_CPM_UART2,
  98         },
  99         { .vendor       = OCP_VENDOR_IBM,
 100           .function     = OCP_FUNC_16550,
 101           .index        = 3,
 102           .paddr        = PPC440EP_UART3_ADDR,
 103           .irq          = UART3_INT,
 104           .pm           = IBM_CPM_UART3,
 105         },
 106         { .vendor       = OCP_VENDOR_IBM,
 107           .function     = OCP_FUNC_IIC,
 108           .index        = 0,
 109           .paddr        = 0x0EF600700ULL,
 110           .irq          = 2,
 111           .pm           = IBM_CPM_IIC0,
 112           .additions    = &ibm440ep_iic0_def,
 113           .show         = &ocp_show_iic_data
 114         },
 115         { .vendor       = OCP_VENDOR_IBM,
 116           .function     = OCP_FUNC_IIC,
 117           .index        = 1,
 118           .paddr        = 0x0EF600800ULL,
 119           .irq          = 7,
 120           .pm           = IBM_CPM_IIC1,
 121           .additions    = &ibm440ep_iic1_def,
 122           .show         = &ocp_show_iic_data
 123         },
 124         { .vendor       = OCP_VENDOR_IBM,
 125           .function     = OCP_FUNC_GPIO,
 126           .index        = 0,
 127           .paddr        = 0x0EF600B00ULL,
 128           .irq          = OCP_IRQ_NA,
 129           .pm           = IBM_CPM_GPIO0,
 130         },
 131         { .vendor       = OCP_VENDOR_IBM,
 132           .function     = OCP_FUNC_GPIO,
 133           .index        = 1,
 134           .paddr        = 0x0EF600C00ULL,
 135           .irq          = OCP_IRQ_NA,
 136           .pm           = OCP_CPM_NA,
 137         },
 138         { .vendor       = OCP_VENDOR_IBM,
 139           .function     = OCP_FUNC_MAL,
 140           .paddr        = OCP_PADDR_NA,
 141           .irq          = OCP_IRQ_NA,
 142           .pm           = OCP_CPM_NA,
 143           .additions    = &ibm440ep_mal0_def,
 144           .show         = &ocp_show_mal_data,
 145         },
 146         { .vendor       = OCP_VENDOR_IBM,
 147           .function     = OCP_FUNC_EMAC,
 148           .index        = 0,
 149           .paddr        = 0x0EF600E00ULL,
 150           .irq          = 60,
 151           .pm           = OCP_CPM_NA,
 152           .additions    = &ibm440ep_emac0_def,
 153           .show         = &ocp_show_emac_data,
 154         },
 155         { .vendor       = OCP_VENDOR_IBM,
 156           .function     = OCP_FUNC_EMAC,
 157           .index        = 1,
 158           .paddr        = 0x0EF600F00ULL,
 159           .irq          = 62,
 160           .pm           = OCP_CPM_NA,
 161           .additions    = &ibm440ep_emac1_def,
 162           .show         = &ocp_show_emac_data,
 163         },
 164         { .vendor       = OCP_VENDOR_IBM,
 165           .function     = OCP_FUNC_ZMII,
 166           .paddr        = 0x0EF600D00ULL,
 167           .irq          = OCP_IRQ_NA,
 168           .pm           = OCP_CPM_NA,
 169         },
 170         { .vendor       = OCP_VENDOR_INVALID
 171         }
 172 };
 173
 174 /* Polarity and triggering settings for internal interrupt sources */
 175 struct ppc4xx_uic_settings ppc4xx_core_uic_cfg[] __initdata = {
 176         { .polarity     = 0xffbffe03,
 177           .triggering   = 0xfffffe00,
 178           .ext_irq_mask = 0x000001fc,   /* IRQ0 - IRQ6 */
 179         },
 180         { .polarity     = 0xffffc6ef,
 181           .triggering   = 0xffffc7ff,
 182           .ext_irq_mask = 0x00003800,   /* IRQ7 - IRQ9 */
 183         },
 184 };
 185
 186 static struct resource usb_gadget_resources[] = {
 187         [0] = {
 188                 .start  = 0x050000100ULL,
 189                 .end    = 0x05000017FULL,
 190                 .flags  = IORESOURCE_MEM,
 191         },
 192         [1] = {
 193                 .start  = 55,
 194                 .end    = 55,
 195                 .flags  = IORESOURCE_IRQ,
 196         },
 197 };
 198
 199 static u64 dma_mask = 0xffffffffULL;
 200
 201 static struct platform_device usb_gadget_device = {
 202         .name           = "musbhsfc",
 203         .id             = 0,
 204         .num_resources  = ARRAY_SIZE(usb_gadget_resources),
 205         .resource       = usb_gadget_resources,
 206         .dev            = {
 207                 .dma_mask = &dma_mask,
 208                 .coherent_dma_mask = 0xffffffffULL,
 209         }
 210 };
 211
 212 static struct platform_device *ibm440ep_devs[] __initdata = {
 213         &usb_gadget_device,
 214 };
 215
 216 static int __init
 217 ibm440ep_platform_add_devices(void)
 218 {
 219         return platform_add_devices(ibm440ep_devs, ARRAY_SIZE(ibm440ep_devs));
 220 }
 221 arch_initcall(ibm440ep_platform_add_devices);
 222