arch/arm/mach-kirkwood/ts219-setup.c

   1 /*
   2  *
   3  * QNAP TS-119/TS-219 Turbo NAS Board Setup
   4  *
   5  * Copyright (C) 2009  Martin Michlmayr <tbm@cyrius.com>
   6  * Copyright (C) 2008  Byron Bradley <byron.bbradley@gmail.com>
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License
  10  * as published by the Free Software Foundation; either version
  11  * 2 of the License, or (at your option) any later version.
  12  */
  13
  14 #include <linux/kernel.h>
  15 #include <linux/init.h>
  16 #include <linux/platform_device.h>
  17 #include <linux/mtd/physmap.h>
  18 #include <linux/spi/flash.h>
  19 #include <linux/spi/spi.h>
  20 #include <linux/spi/orion_spi.h>
  21 #include <linux/i2c.h>
  22 #include <linux/mv643xx_eth.h>
  23 #include <linux/ata_platform.h>
  24 #include <linux/gpio_keys.h>
  25 #include <linux/input.h>
  26 #include <linux/timex.h>
  27 #include <linux/serial_reg.h>
  28 #include <linux/pci.h>
  29 #include <asm/mach-types.h>
  30 #include <asm/mach/arch.h>
  31 #include <mach/kirkwood.h>
  32 #include "common.h"
  33 #include "mpp.h"
  34
  35 /****************************************************************************
  36  * 16 MiB NOR flash. The struct mtd_partition is not in the same order as the
  37  *     partitions on the device because we want to keep compatability with
  38  *     the QNAP firmware.
  39  * Layout as used by QNAP:
  40  *  0x00000000-0x00080000 : "U-Boot"
  41  *  0x00200000-0x00400000 : "Kernel"
  42  *  0x00400000-0x00d00000 : "RootFS"
  43  *  0x00d00000-0x01000000 : "RootFS2"
  44  *  0x00080000-0x000c0000 : "U-Boot Config"
  45  *  0x000c0000-0x00200000 : "NAS Config"
  46  *
  47  * We'll use "RootFS1" instead of "RootFS" to stay compatible with the layout
  48  * used by the QNAP TS-109/TS-209.
  49  *
  50  ***************************************************************************/
  51
  52 static struct mtd_partition qnap_ts219_partitions[] = {
  53         {
  54                 .name           = "U-Boot",
  55                 .size           = 0x00080000,
  56                 .offset         = 0,
  57                 .mask_flags     = MTD_WRITEABLE,
  58         }, {
  59                 .name           = "Kernel",
  60                 .size           = 0x00200000,
  61                 .offset         = 0x00200000,
  62         }, {
  63                 .name           = "RootFS1",
  64                 .size           = 0x00900000,
  65                 .offset         = 0x00400000,
  66         }, {
  67                 .name           = "RootFS2",
  68                 .size           = 0x00300000,
  69                 .offset         = 0x00d00000,
  70         }, {
  71                 .name           = "U-Boot Config",
  72                 .size           = 0x00040000,
  73                 .offset         = 0x00080000,
  74         }, {
  75                 .name           = "NAS Config",
  76                 .size           = 0x00140000,
  77                 .offset         = 0x000c0000,
  78         },
  79 };
  80
  81 static const struct flash_platform_data qnap_ts219_flash = {
  82         .type           = "m25p128",
  83         .name           = "spi_flash",
  84         .parts          = qnap_ts219_partitions,
  85         .nr_parts       = ARRAY_SIZE(qnap_ts219_partitions),
  86 };
  87
  88 static struct spi_board_info __initdata qnap_ts219_spi_slave_info[] = {
  89         {
  90                 .modalias       = "m25p80",
  91                 .platform_data  = &qnap_ts219_flash,
  92                 .irq            = -1,
  93                 .max_speed_hz   = 20000000,
  94                 .bus_num        = 0,
  95                 .chip_select    = 0,
  96         },
  97 };
  98
  99 static struct i2c_board_info __initdata qnap_ts219_i2c_rtc = {
 100         I2C_BOARD_INFO("s35390a", 0x30),
 101 };
 102
 103 static struct mv643xx_eth_platform_data qnap_ts219_ge00_data = {
 104         .phy_addr       = MV643XX_ETH_PHY_ADDR(8),
 105 };
 106
 107 static struct mv_sata_platform_data qnap_ts219_sata_data = {
 108         .n_ports        = 2,
 109 };
 110
 111 static struct gpio_keys_button qnap_ts219_buttons[] = {
 112         {
 113                 .code           = KEY_COPY,
 114                 .gpio           = 15,
 115                 .desc           = "USB Copy",
 116                 .active_low     = 1,
 117         },
 118         {
 119                 .code           = KEY_RESTART,
 120                 .gpio           = 16,
 121                 .desc           = "Reset",
 122                 .active_low     = 1,
 123         },
 124 };
 125
 126 static struct gpio_keys_platform_data qnap_ts219_button_data = {
 127         .buttons        = qnap_ts219_buttons,
 128         .nbuttons       = ARRAY_SIZE(qnap_ts219_buttons),
 129 };
 130
 131 static struct platform_device qnap_ts219_button_device = {
 132         .name           = "gpio-keys",
 133         .id             = -1,
 134         .num_resources  = 0,
 135         .dev            = {
 136                 .platform_data  = &qnap_ts219_button_data,
 137         }
 138 };
 139
 140 static unsigned int qnap_ts219_mpp_config[] __initdata = {
 141         MPP0_SPI_SCn,
 142         MPP1_SPI_MOSI,
 143         MPP2_SPI_SCK,
 144         MPP3_SPI_MISO,
 145         MPP8_TW_SDA,
 146         MPP9_TW_SCK,
 147         MPP10_UART0_TXD,
 148         MPP11_UART0_RXD,
 149         MPP13_UART1_TXD,        /* PIC controller */
 150         MPP14_UART1_RXD,        /* PIC controller */
 151         MPP15_GPIO,             /* USB Copy button */
 152         MPP16_GPIO,             /* Reset button */
 153         MPP20_SATA1_ACTn,
 154         MPP21_SATA0_ACTn,
 155         MPP22_SATA1_PRESENTn,
 156         MPP23_SATA0_PRESENTn,
 157         0
 158 };
 159
 160
 161 /*****************************************************************************
 162  * QNAP TS-x19 specific power off method via UART1-attached PIC
 163  ****************************************************************************/
 164
 165 #define UART1_REG(x)    (UART1_VIRT_BASE + ((UART_##x) << 2))
 166
 167 void qnap_ts219_power_off(void)
 168 {
 169         /* 19200 baud divisor */
 170         const unsigned divisor = ((kirkwood_tclk + (8 * 19200)) / (16 * 19200));
 171
 172         pr_info("%s: triggering power-off...\n", __func__);
 173
 174         /* hijack UART1 and reset into sane state (19200,8n1) */
 175         writel(0x83, UART1_REG(LCR));
 176         writel(divisor & 0xff, UART1_REG(DLL));
 177         writel((divisor >> 8) & 0xff, UART1_REG(DLM));
 178         writel(0x03, UART1_REG(LCR));
 179         writel(0x00, UART1_REG(IER));
 180         writel(0x00, UART1_REG(FCR));
 181         writel(0x00, UART1_REG(MCR));
 182
 183         /* send the power-off command 'A' to PIC */
 184         writel('A', UART1_REG(TX));
 185 }
 186
 187 static void __init qnap_ts219_init(void)
 188 {
 189         /*
 190          * Basic setup. Needs to be called early.
 191          */
 192         kirkwood_init();
 193         kirkwood_mpp_conf(qnap_ts219_mpp_config);
 194
 195         kirkwood_uart0_init();
 196         kirkwood_uart1_init(); /* A PIC controller is connected here. */
 197         spi_register_board_info(qnap_ts219_spi_slave_info,
 198                                 ARRAY_SIZE(qnap_ts219_spi_slave_info));
 199         kirkwood_spi_init();
 200         kirkwood_i2c_init();
 201         i2c_register_board_info(0, &qnap_ts219_i2c_rtc, 1);
 202         kirkwood_ge00_init(&qnap_ts219_ge00_data);
 203         kirkwood_sata_init(&qnap_ts219_sata_data);
 204         kirkwood_ehci_init();
 205         platform_device_register(&qnap_ts219_button_device);
 206
 207         pm_power_off = qnap_ts219_power_off;
 208
 209 }
 210
 211 MACHINE_START(TS219, "QNAP TS-119/TS-219")
 212         /* Maintainer: Martin Michlmayr <tbm@cyrius.com> */
 213         .phys_io        = KIRKWOOD_REGS_PHYS_BASE,
 214         .io_pg_offst    = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
 215         .boot_params    = 0x00000100,
 216         .init_machine   = qnap_ts219_init,
 217         .map_io         = kirkwood_map_io,
 218         .init_irq       = kirkwood_init_irq,
 219         .timer          = &kirkwood_timer,
 220 MACHINE_END