arch/ppc/platforms/4xx/ibm440ep.c

   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         .dcr_base       = DCRN_MAL_BASE /* MAL0_CFG DCR number */
  57 };
  58 OCP_SYSFS_MAL_DATA()
  59
  60 static struct ocp_func_iic_data ibm440ep_iic0_def = {
  61         .fast_mode      = 0,            /* Use standad mode (100Khz) */
  62 };
  63
  64 static struct ocp_func_iic_data ibm440ep_iic1_def = {
  65         .fast_mode      = 0,            /* Use standad mode (100Khz) */
  66 };
  67 OCP_SYSFS_IIC_DATA()
  68
  69 struct ocp_def core_ocp[] = {
  70         { .vendor       = OCP_VENDOR_IBM,
  71           .function     = OCP_FUNC_OPB,
  72           .index        = 0,
  73           .paddr        = 0x0EF600000ULL,
  74           .irq          = OCP_IRQ_NA,
  75           .pm           = OCP_CPM_NA,
  76         },
  77         { .vendor       = OCP_VENDOR_IBM,
  78           .function     = OCP_FUNC_16550,
  79           .index        = 0,
  80           .paddr        = PPC440EP_UART0_ADDR,
  81           .irq          = UART0_INT,
  82           .pm           = IBM_CPM_UART0,
  83         },
  84         { .vendor       = OCP_VENDOR_IBM,
  85           .function     = OCP_FUNC_16550,
  86           .index        = 1,
  87           .paddr        = PPC440EP_UART1_ADDR,
  88           .irq          = UART1_INT,
  89           .pm           = IBM_CPM_UART1,
  90         },
  91         { .vendor       = OCP_VENDOR_IBM,
  92           .function     = OCP_FUNC_16550,
  93           .index        = 2,
  94           .paddr        = PPC440EP_UART2_ADDR,
  95           .irq          = UART2_INT,
  96           .pm           = IBM_CPM_UART2,
  97         },
  98         { .vendor       = OCP_VENDOR_IBM,
  99           .function     = OCP_FUNC_16550,
 100           .index        = 3,
 101           .paddr        = PPC440EP_UART3_ADDR,
 102           .irq          = UART3_INT,
 103           .pm           = IBM_CPM_UART3,
 104         },
 105         { .vendor       = OCP_VENDOR_IBM,
 106           .function     = OCP_FUNC_IIC,
 107           .index        = 0,
 108           .paddr        = 0x0EF600700ULL,
 109           .irq          = 2,
 110           .pm           = IBM_CPM_IIC0,
 111           .additions    = &ibm440ep_iic0_def,
 112           .show         = &ocp_show_iic_data
 113         },
 114         { .vendor       = OCP_VENDOR_IBM,
 115           .function     = OCP_FUNC_IIC,
 116           .index        = 1,
 117           .paddr        = 0x0EF600800ULL,
 118           .irq          = 7,
 119           .pm           = IBM_CPM_IIC1,
 120           .additions    = &ibm440ep_iic1_def,
 121           .show         = &ocp_show_iic_data
 122         },
 123         { .vendor       = OCP_VENDOR_IBM,
 124           .function     = OCP_FUNC_GPIO,
 125           .index        = 0,
 126           .paddr        = 0x0EF600B00ULL,
 127           .irq          = OCP_IRQ_NA,
 128           .pm           = IBM_CPM_GPIO0,
 129         },
 130         { .vendor       = OCP_VENDOR_IBM,
 131           .function     = OCP_FUNC_GPIO,
 132           .index        = 1,
 133           .paddr        = 0x0EF600C00ULL,
 134           .irq          = OCP_IRQ_NA,
 135           .pm           = OCP_CPM_NA,
 136         },
 137         { .vendor       = OCP_VENDOR_IBM,
 138           .function     = OCP_FUNC_MAL,
 139           .paddr        = OCP_PADDR_NA,
 140           .irq          = OCP_IRQ_NA,
 141           .pm           = OCP_CPM_NA,
 142           .additions    = &ibm440ep_mal0_def,
 143           .show         = &ocp_show_mal_data,
 144         },
 145         { .vendor       = OCP_VENDOR_IBM,
 146           .function     = OCP_FUNC_EMAC,
 147           .index        = 0,
 148           .paddr        = 0x0EF600E00ULL,
 149           .irq          = 60,
 150           .pm           = OCP_CPM_NA,
 151           .additions    = &ibm440ep_emac0_def,
 152           .show         = &ocp_show_emac_data,
 153         },
 154         { .vendor       = OCP_VENDOR_IBM,
 155           .function     = OCP_FUNC_EMAC,
 156           .index        = 1,
 157           .paddr        = 0x0EF600F00ULL,
 158           .irq          = 62,
 159           .pm           = OCP_CPM_NA,
 160           .additions    = &ibm440ep_emac1_def,
 161           .show         = &ocp_show_emac_data,
 162         },
 163         { .vendor       = OCP_VENDOR_IBM,
 164           .function     = OCP_FUNC_ZMII,
 165           .paddr        = 0x0EF600D00ULL,
 166           .irq          = OCP_IRQ_NA,
 167           .pm           = OCP_CPM_NA,
 168         },
 169         { .vendor       = OCP_VENDOR_INVALID
 170         }
 171 };
 172
 173 /* Polarity and triggering settings for internal interrupt sources */
 174 struct ppc4xx_uic_settings ppc4xx_core_uic_cfg[] __initdata = {
 175         { .polarity     = 0xffbffe03,
 176           .triggering   = 0xfffffe00,
 177           .ext_irq_mask = 0x000001fc,   /* IRQ0 - IRQ6 */
 178         },
 179         { .polarity     = 0xffffc6ef,
 180           .triggering   = 0xffffc7ff,
 181           .ext_irq_mask = 0x00003800,   /* IRQ7 - IRQ9 */
 182         },
 183 };
 184
 185 static struct resource usb_gadget_resources[] = {
 186         [0] = {
 187                 .start  = 0x050000100ULL,
 188                 .end    = 0x05000017FULL,
 189                 .flags  = IORESOURCE_MEM,
 190         },
 191         [1] = {
 192                 .start  = 55,
 193                 .end    = 55,
 194                 .flags  = IORESOURCE_IRQ,
 195         },
 196 };
 197
 198 static u64 dma_mask = 0xffffffffULL;
 199
 200 static struct platform_device usb_gadget_device = {
 201         .name           = "musbhsfc",
 202         .id             = 0,
 203         .num_resources  = ARRAY_SIZE(usb_gadget_resources),
 204         .resource       = usb_gadget_resources,
 205         .dev            = {
 206                 .dma_mask = &dma_mask,
 207                 .coherent_dma_mask = 0xffffffffULL,
 208         }
 209 };
 210
 211 static struct platform_device *ibm440ep_devs[] __initdata = {
 212         &usb_gadget_device,
 213 };
 214
 215 static int __init
 216 ibm440ep_platform_add_devices(void)
 217 {
 218         return platform_add_devices(ibm440ep_devs, ARRAY_SIZE(ibm440ep_devs));
 219 }
 220 arch_initcall(ibm440ep_platform_add_devices);
 221