Staging
v0.7.0
v0.7.0
https://github.com/torvalds/linux
Tip revision: 577c9c456f0e1371cbade38eaf91ae8e8a308555 authored by Linus Torvalds on 07 April 2009, 21:25:01 UTC
Linux 2.6.30-rc1
Linux 2.6.30-rc1
Tip revision: 577c9c4
ts219-setup.c
/*
*
* QNAP TS-119/TS-219 Turbo NAS Board Setup
*
* Copyright (C) 2009 Martin Michlmayr <tbm@cyrius.com>
* Copyright (C) 2008 Byron Bradley <byron.bbradley@gmail.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/spi/flash.h>
#include <linux/spi/spi.h>
#include <linux/spi/orion_spi.h>
#include <linux/i2c.h>
#include <linux/mv643xx_eth.h>
#include <linux/ata_platform.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/timex.h>
#include <linux/serial_reg.h>
#include <linux/pci.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/kirkwood.h>
#include "common.h"
#include "mpp.h"
/****************************************************************************
* 16 MiB NOR flash. The struct mtd_partition is not in the same order as the
* partitions on the device because we want to keep compatability with
* the QNAP firmware.
* Layout as used by QNAP:
* 0x00000000-0x00080000 : "U-Boot"
* 0x00200000-0x00400000 : "Kernel"
* 0x00400000-0x00d00000 : "RootFS"
* 0x00d00000-0x01000000 : "RootFS2"
* 0x00080000-0x000c0000 : "U-Boot Config"
* 0x000c0000-0x00200000 : "NAS Config"
*
* We'll use "RootFS1" instead of "RootFS" to stay compatible with the layout
* used by the QNAP TS-109/TS-209.
*
***************************************************************************/
static struct mtd_partition qnap_ts219_partitions[] = {
{
.name = "U-Boot",
.size = 0x00080000,
.offset = 0,
.mask_flags = MTD_WRITEABLE,
}, {
.name = "Kernel",
.size = 0x00200000,
.offset = 0x00200000,
}, {
.name = "RootFS1",
.size = 0x00900000,
.offset = 0x00400000,
}, {
.name = "RootFS2",
.size = 0x00300000,
.offset = 0x00d00000,
}, {
.name = "U-Boot Config",
.size = 0x00040000,
.offset = 0x00080000,
}, {
.name = "NAS Config",
.size = 0x00140000,
.offset = 0x000c0000,
},
};
static const struct flash_platform_data qnap_ts219_flash = {
.type = "m25p128",
.name = "spi_flash",
.parts = qnap_ts219_partitions,
.nr_parts = ARRAY_SIZE(qnap_ts219_partitions),
};
static struct spi_board_info __initdata qnap_ts219_spi_slave_info[] = {
{
.modalias = "m25p80",
.platform_data = &qnap_ts219_flash,
.irq = -1,
.max_speed_hz = 20000000,
.bus_num = 0,
.chip_select = 0,
},
};
static struct i2c_board_info __initdata qnap_ts219_i2c_rtc = {
I2C_BOARD_INFO("s35390a", 0x30),
};
static struct mv643xx_eth_platform_data qnap_ts219_ge00_data = {
.phy_addr = MV643XX_ETH_PHY_ADDR(8),
};
static struct mv_sata_platform_data qnap_ts219_sata_data = {
.n_ports = 2,
};
static struct gpio_keys_button qnap_ts219_buttons[] = {
{
.code = KEY_COPY,
.gpio = 15,
.desc = "USB Copy",
.active_low = 1,
},
{
.code = KEY_RESTART,
.gpio = 16,
.desc = "Reset",
.active_low = 1,
},
};
static struct gpio_keys_platform_data qnap_ts219_button_data = {
.buttons = qnap_ts219_buttons,
.nbuttons = ARRAY_SIZE(qnap_ts219_buttons),
};
static struct platform_device qnap_ts219_button_device = {
.name = "gpio-keys",
.id = -1,
.num_resources = 0,
.dev = {
.platform_data = &qnap_ts219_button_data,
}
};
static unsigned int qnap_ts219_mpp_config[] __initdata = {
MPP0_SPI_SCn,
MPP1_SPI_MOSI,
MPP2_SPI_SCK,
MPP3_SPI_MISO,
MPP8_TW_SDA,
MPP9_TW_SCK,
MPP10_UART0_TXD,
MPP11_UART0_RXD,
MPP13_UART1_TXD, /* PIC controller */
MPP14_UART1_RXD, /* PIC controller */
MPP15_GPIO, /* USB Copy button */
MPP16_GPIO, /* Reset button */
MPP20_SATA1_ACTn,
MPP21_SATA0_ACTn,
MPP22_SATA1_PRESENTn,
MPP23_SATA0_PRESENTn,
0
};
/*****************************************************************************
* QNAP TS-x19 specific power off method via UART1-attached PIC
****************************************************************************/
#define UART1_REG(x) (UART1_VIRT_BASE + ((UART_##x) << 2))
void qnap_ts219_power_off(void)
{
/* 19200 baud divisor */
const unsigned divisor = ((kirkwood_tclk + (8 * 19200)) / (16 * 19200));
pr_info("%s: triggering power-off...\n", __func__);
/* hijack UART1 and reset into sane state (19200,8n1) */
writel(0x83, UART1_REG(LCR));
writel(divisor & 0xff, UART1_REG(DLL));
writel((divisor >> 8) & 0xff, UART1_REG(DLM));
writel(0x03, UART1_REG(LCR));
writel(0x00, UART1_REG(IER));
writel(0x00, UART1_REG(FCR));
writel(0x00, UART1_REG(MCR));
/* send the power-off command 'A' to PIC */
writel('A', UART1_REG(TX));
}
static void __init qnap_ts219_init(void)
{
/*
* Basic setup. Needs to be called early.
*/
kirkwood_init();
kirkwood_mpp_conf(qnap_ts219_mpp_config);
kirkwood_uart0_init();
kirkwood_uart1_init(); /* A PIC controller is connected here. */
spi_register_board_info(qnap_ts219_spi_slave_info,
ARRAY_SIZE(qnap_ts219_spi_slave_info));
kirkwood_spi_init();
kirkwood_i2c_init();
i2c_register_board_info(0, &qnap_ts219_i2c_rtc, 1);
kirkwood_ge00_init(&qnap_ts219_ge00_data);
kirkwood_sata_init(&qnap_ts219_sata_data);
kirkwood_ehci_init();
platform_device_register(&qnap_ts219_button_device);
pm_power_off = qnap_ts219_power_off;
}
MACHINE_START(TS219, "QNAP TS-119/TS-219")
/* Maintainer: Martin Michlmayr <tbm@cyrius.com> */
.phys_io = KIRKWOOD_REGS_PHYS_BASE,
.io_pg_offst = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
.boot_params = 0x00000100,
.init_machine = qnap_ts219_init,
.map_io = kirkwood_map_io,
.init_irq = kirkwood_init_irq,
.timer = &kirkwood_timer,
MACHINE_END