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