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   1 /*
   2  * arch/arm/mach-orion5x/rd88f5181l-ge-setup.c
   3  *
   4  * Marvell Orion-VoIP GE Reference Design Setup
   5  *
   6  * This file is licensed under the terms of the GNU General Public
   7  * License version 2.  This program is licensed "as is" without any
   8  * warranty of any kind, whether express or implied.
   9  */
  10
  11 #include <linux/kernel.h>
  12 #include <linux/init.h>
  13 #include <linux/platform_device.h>
  14 #include <linux/pci.h>
  15 #include <linux/irq.h>
  16 #include <linux/mtd/physmap.h>
  17 #include <linux/mv643xx_eth.h>
  18 #include <linux/i2c.h>
  19 #include <asm/mach-types.h>
  20 #include <asm/gpio.h>
  21 #include <asm/leds.h>
  22 #include <asm/mach/arch.h>
  23 #include <asm/mach/pci.h>
  24 #include <asm/arch/orion5x.h>
  25 #include "common.h"
  26 #include "mpp.h"
  27
  28 /*****************************************************************************
  29  * RD-88F5181L GE Info
  30  ****************************************************************************/
  31 /*
  32  * 16M NOR flash Device bus boot chip select
  33  */
  34 #define RD88F5181L_GE_NOR_BOOT_BASE             0xff000000
  35 #define RD88F5181L_GE_NOR_BOOT_SIZE             SZ_16M
  36
  37
  38 /*****************************************************************************
  39  * 16M NOR Flash on Device bus Boot chip select
  40  ****************************************************************************/
  41 static struct physmap_flash_data rd88f5181l_ge_nor_boot_flash_data = {
  42         .width          = 1,
  43 };
  44
  45 static struct resource rd88f5181l_ge_nor_boot_flash_resource = {
  46         .flags          = IORESOURCE_MEM,
  47         .start          = RD88F5181L_GE_NOR_BOOT_BASE,
  48         .end            = RD88F5181L_GE_NOR_BOOT_BASE +
  49                           RD88F5181L_GE_NOR_BOOT_SIZE - 1,
  50 };
  51
  52 static struct platform_device rd88f5181l_ge_nor_boot_flash = {
  53         .name                   = "physmap-flash",
  54         .id                     = 0,
  55         .dev            = {
  56                 .platform_data  = &rd88f5181l_ge_nor_boot_flash_data,
  57         },
  58         .num_resources          = 1,
  59         .resource               = &rd88f5181l_ge_nor_boot_flash_resource,
  60 };
  61
  62
  63 /*****************************************************************************
  64  * General Setup
  65  ****************************************************************************/
  66 static struct orion5x_mpp_mode rd88f5181l_ge_mpp_modes[] __initdata = {
  67         {  0, MPP_GPIO },               /* LED1 */
  68         {  1, MPP_GPIO },               /* LED5 */
  69         {  2, MPP_GPIO },               /* LED4 */
  70         {  3, MPP_GPIO },               /* LED3 */
  71         {  4, MPP_GPIO },               /* PCI_intA */
  72         {  5, MPP_GPIO },               /* RTC interrupt */
  73         {  6, MPP_PCI_CLK },            /* CPU PCI refclk */
  74         {  7, MPP_PCI_CLK },            /* PCI/PCIe refclk */
  75         {  8, MPP_GPIO },               /* 88e6131 interrupt */
  76         {  9, MPP_GPIO },               /* GE_RXERR */
  77         { 10, MPP_GPIO },               /* PCI_intB */
  78         { 11, MPP_GPIO },               /* LED2 */
  79         { 12, MPP_GIGE },               /* GE_TXD[4] */
  80         { 13, MPP_GIGE },               /* GE_TXD[5] */
  81         { 14, MPP_GIGE },               /* GE_TXD[6] */
  82         { 15, MPP_GIGE },               /* GE_TXD[7] */
  83         { 16, MPP_GIGE },               /* GE_RXD[4] */
  84         { 17, MPP_GIGE },               /* GE_RXD[5] */
  85         { 18, MPP_GIGE },               /* GE_RXD[6] */
  86         { 19, MPP_GIGE },               /* GE_RXD[7] */
  87         { -1 },
  88 };
  89
  90 static struct mv643xx_eth_platform_data rd88f5181l_ge_eth_data = {
  91         .phy_addr       = -1,
  92 };
  93
  94 static struct i2c_board_info __initdata rd88f5181l_ge_i2c_rtc = {
  95         I2C_BOARD_INFO("ds1338", 0x68),
  96 };
  97
  98 static void __init rd88f5181l_ge_init(void)
  99 {
 100         /*
 101          * Setup basic Orion functions. Need to be called early.
 102          */
 103         orion5x_init();
 104
 105         orion5x_mpp_conf(rd88f5181l_ge_mpp_modes);
 106
 107         /*
 108          * Configure peripherals.
 109          */
 110         orion5x_ehci0_init();
 111         orion5x_eth_init(&rd88f5181l_ge_eth_data);
 112         orion5x_i2c_init();
 113         orion5x_uart0_init();
 114
 115         orion5x_setup_dev_boot_win(RD88F5181L_GE_NOR_BOOT_BASE,
 116                                    RD88F5181L_GE_NOR_BOOT_SIZE);
 117         platform_device_register(&rd88f5181l_ge_nor_boot_flash);
 118
 119         i2c_register_board_info(0, &rd88f5181l_ge_i2c_rtc, 1);
 120 }
 121
 122 static int __init
 123 rd88f5181l_ge_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
 124 {
 125         int irq;
 126
 127         /*
 128          * Check for devices with hard-wired IRQs.
 129          */
 130         irq = orion5x_pci_map_irq(dev, slot, pin);
 131         if (irq != -1)
 132                 return irq;
 133
 134         /*
 135          * Cardbus slot.
 136          */
 137         if (pin == 1)
 138                 return gpio_to_irq(4);
 139         else
 140                 return gpio_to_irq(10);
 141 }
 142
 143 static struct hw_pci rd88f5181l_ge_pci __initdata = {
 144         .nr_controllers = 2,
 145         .swizzle        = pci_std_swizzle,
 146         .setup          = orion5x_pci_sys_setup,
 147         .scan           = orion5x_pci_sys_scan_bus,
 148         .map_irq        = rd88f5181l_ge_pci_map_irq,
 149 };
 150
 151 static int __init rd88f5181l_ge_pci_init(void)
 152 {
 153         if (machine_is_rd88f5181l_ge()) {
 154                 orion5x_pci_set_cardbus_mode();
 155                 pci_common_init(&rd88f5181l_ge_pci);
 156         }
 157
 158         return 0;
 159 }
 160 subsys_initcall(rd88f5181l_ge_pci_init);
 161
 162 MACHINE_START(RD88F5181L_GE, "Marvell Orion-VoIP GE Reference Design")
 163         /* Maintainer: Lennert Buytenhek <buytenh@marvell.com> */
 164         .phys_io        = ORION5X_REGS_PHYS_BASE,
 165         .io_pg_offst    = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
 166         .boot_params    = 0x00000100,
 167         .init_machine   = rd88f5181l_ge_init,
 168         .map_io         = orion5x_map_io,
 169         .init_irq       = orion5x_init_irq,
 170         .timer          = &orion5x_timer,
 171         .fixup          = tag_fixup_mem32,
 172 MACHINE_END