arch/arm/mach-orion5x/rd88f5181l-ge-setup.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * arch/arm/mach-orion5x/rd88f5181l-ge-setup.c
   4  *
   5  * Marvell Orion-VoIP GE Reference Design Setup
   6  */
   7 #include <linux/gpio.h>
   8 #include <linux/kernel.h>
   9 #include <linux/init.h>
  10 #include <linux/platform_device.h>
  11 #include <linux/pci.h>
  12 #include <linux/irq.h>
  13 #include <linux/mtd/physmap.h>
  14 #include <linux/mv643xx_eth.h>
  15 #include <linux/ethtool.h>
  16 #include <linux/i2c.h>
  17 #include <linux/platform_data/dsa.h>
  18 #include <asm/mach-types.h>
  19 #include <asm/mach/arch.h>
  20 #include <asm/mach/pci.h>
  21 #include "common.h"
  22 #include "mpp.h"
  23 #include "orion5x.h"
  24
  25 /*****************************************************************************
  26  * RD-88F5181L GE Info
  27  ****************************************************************************/
  28 /*
  29  * 16M NOR flash Device bus boot chip select
  30  */
  31 #define RD88F5181L_GE_NOR_BOOT_BASE             0xff000000
  32 #define RD88F5181L_GE_NOR_BOOT_SIZE             SZ_16M
  33
  34
  35 /*****************************************************************************
  36  * 16M NOR Flash on Device bus Boot chip select
  37  ****************************************************************************/
  38 static struct physmap_flash_data rd88f5181l_ge_nor_boot_flash_data = {
  39         .width          = 1,
  40 };
  41
  42 static struct resource rd88f5181l_ge_nor_boot_flash_resource = {
  43         .flags          = IORESOURCE_MEM,
  44         .start          = RD88F5181L_GE_NOR_BOOT_BASE,
  45         .end            = RD88F5181L_GE_NOR_BOOT_BASE +
  46                           RD88F5181L_GE_NOR_BOOT_SIZE - 1,
  47 };
  48
  49 static struct platform_device rd88f5181l_ge_nor_boot_flash = {
  50         .name                   = "physmap-flash",
  51         .id                     = 0,
  52         .dev            = {
  53                 .platform_data  = &rd88f5181l_ge_nor_boot_flash_data,
  54         },
  55         .num_resources          = 1,
  56         .resource               = &rd88f5181l_ge_nor_boot_flash_resource,
  57 };
  58
  59
  60 /*****************************************************************************
  61  * General Setup
  62  ****************************************************************************/
  63 static unsigned int rd88f5181l_ge_mpp_modes[] __initdata = {
  64         MPP0_GPIO,              /* LED1 */
  65         MPP1_GPIO,              /* LED5 */
  66         MPP2_GPIO,              /* LED4 */
  67         MPP3_GPIO,              /* LED3 */
  68         MPP4_GPIO,              /* PCI_intA */
  69         MPP5_GPIO,              /* RTC interrupt */
  70         MPP6_PCI_CLK,           /* CPU PCI refclk */
  71         MPP7_PCI_CLK,           /* PCI/PCIe refclk */
  72         MPP8_GPIO,              /* 88e6131 interrupt */
  73         MPP9_GPIO,              /* GE_RXERR */
  74         MPP10_GPIO,             /* PCI_intB */
  75         MPP11_GPIO,             /* LED2 */
  76         MPP12_GIGE,             /* GE_TXD[4] */
  77         MPP13_GIGE,             /* GE_TXD[5] */
  78         MPP14_GIGE,             /* GE_TXD[6] */
  79         MPP15_GIGE,             /* GE_TXD[7] */
  80         MPP16_GIGE,             /* GE_RXD[4] */
  81         MPP17_GIGE,             /* GE_RXD[5] */
  82         MPP18_GIGE,             /* GE_RXD[6] */
  83         MPP19_GIGE,             /* GE_RXD[7] */
  84         0,
  85 };
  86
  87 static struct mv643xx_eth_platform_data rd88f5181l_ge_eth_data = {
  88         .phy_addr       = MV643XX_ETH_PHY_NONE,
  89         .speed          = SPEED_1000,
  90         .duplex         = DUPLEX_FULL,
  91 };
  92
  93 static struct dsa_chip_data rd88f5181l_ge_switch_chip_data = {
  94         .port_names[0]  = "lan2",
  95         .port_names[1]  = "lan1",
  96         .port_names[2]  = "wan",
  97         .port_names[3]  = "cpu",
  98         .port_names[5]  = "lan4",
  99         .port_names[7]  = "lan3",
 100 };
 101
 102 static struct i2c_board_info __initdata rd88f5181l_ge_i2c_rtc = {
 103         I2C_BOARD_INFO("ds1338", 0x68),
 104 };
 105
 106 static void __init rd88f5181l_ge_init(void)
 107 {
 108         /*
 109          * Setup basic Orion functions. Need to be called early.
 110          */
 111         orion5x_init();
 112
 113         orion5x_mpp_conf(rd88f5181l_ge_mpp_modes);
 114
 115         /*
 116          * Configure peripherals.
 117          */
 118         orion5x_ehci0_init();
 119         orion5x_eth_init(&rd88f5181l_ge_eth_data);
 120         orion5x_eth_switch_init(&rd88f5181l_ge_switch_chip_data);
 121         orion5x_i2c_init();
 122         orion5x_uart0_init();
 123
 124         mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
 125                                     ORION_MBUS_DEVBUS_BOOT_ATTR,
 126                                     RD88F5181L_GE_NOR_BOOT_BASE,
 127                                     RD88F5181L_GE_NOR_BOOT_SIZE);
 128         platform_device_register(&rd88f5181l_ge_nor_boot_flash);
 129
 130         i2c_register_board_info(0, &rd88f5181l_ge_i2c_rtc, 1);
 131 }
 132
 133 static int __init
 134 rd88f5181l_ge_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 135 {
 136         int irq;
 137
 138         /*
 139          * Check for devices with hard-wired IRQs.
 140          */
 141         irq = orion5x_pci_map_irq(dev, slot, pin);
 142         if (irq != -1)
 143                 return irq;
 144
 145         /*
 146          * Cardbus slot.
 147          */
 148         if (pin == 1)
 149                 return gpio_to_irq(4);
 150         else
 151                 return gpio_to_irq(10);
 152 }
 153
 154 static struct hw_pci rd88f5181l_ge_pci __initdata = {
 155         .nr_controllers = 2,
 156         .setup          = orion5x_pci_sys_setup,
 157         .scan           = orion5x_pci_sys_scan_bus,
 158         .map_irq        = rd88f5181l_ge_pci_map_irq,
 159 };
 160
 161 static int __init rd88f5181l_ge_pci_init(void)
 162 {
 163         if (machine_is_rd88f5181l_ge()) {
 164                 orion5x_pci_set_cardbus_mode();
 165                 pci_common_init(&rd88f5181l_ge_pci);
 166         }
 167
 168         return 0;
 169 }
 170 subsys_initcall(rd88f5181l_ge_pci_init);
 171
 172 MACHINE_START(RD88F5181L_GE, "Marvell Orion-VoIP GE Reference Design")
 173         /* Maintainer: Lennert Buytenhek <buytenh@marvell.com> */
 174         .atag_offset    = 0x100,
 175         .nr_irqs        = ORION5X_NR_IRQS,
 176         .init_machine   = rd88f5181l_ge_init,
 177         .map_io         = orion5x_map_io,
 178         .init_early     = orion5x_init_early,
 179         .init_irq       = orion5x_init_irq,
 180         .init_time      = orion5x_timer_init,
 181         .fixup          = tag_fixup_mem32,
 182         .restart        = orion5x_restart,
 183 MACHINE_END