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|
/*
* QNAP TS-109/TS-209 Board Setup
*
* Maintainer: 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/pci.h>
#include <linux/irq.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/nand.h>
#include <linux/mv643xx_eth.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/i2c.h>
#include <linux/serial_reg.h>
#include <linux/ata_platform.h>
#include <asm/mach-types.h>
#include <asm/gpio.h>
#include <asm/mach/arch.h>
#include <asm/mach/pci.h>
#include <asm/arch/orion.h>
#include <asm/arch/platform.h>
#include "common.h"
#define QNAP_TS209_NOR_BOOT_BASE 0xf4000000
#define QNAP_TS209_NOR_BOOT_SIZE SZ_8M
/****************************************************************************
* 8MiB 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
* existing QNAP firmware.
*
* Layout as used by QNAP:
* [2] 0x00000000-0x00200000 : "Kernel"
* [3] 0x00200000-0x00600000 : "RootFS1"
* [4] 0x00600000-0x00700000 : "RootFS2"
* [6] 0x00700000-0x00760000 : "NAS Config" (read-only)
* [5] 0x00760000-0x00780000 : "U-Boot Config"
* [1] 0x00780000-0x00800000 : "U-Boot" (read-only)
***************************************************************************/
static struct mtd_partition qnap_ts209_partitions[] = {
{
.name = "U-Boot",
.size = 0x00080000,
.offset = 0x00780000,
.mask_flags = MTD_WRITEABLE,
}, {
.name = "Kernel",
.size = 0x00200000,
.offset = 0,
}, {
.name = "RootFS1",
.size = 0x00400000,
.offset = 0x00200000,
}, {
.name = "RootFS2",
.size = 0x00100000,
.offset = 0x00600000,
}, {
.name = "U-Boot Config",
.size = 0x00020000,
.offset = 0x00760000,
}, {
.name = "NAS Config",
.size = 0x00060000,
.offset = 0x00700000,
.mask_flags = MTD_WRITEABLE,
}
};
static struct physmap_flash_data qnap_ts209_nor_flash_data = {
.width = 1,
.parts = qnap_ts209_partitions,
.nr_parts = ARRAY_SIZE(qnap_ts209_partitions)
};
static struct resource qnap_ts209_nor_flash_resource = {
.flags = IORESOURCE_MEM,
.start = QNAP_TS209_NOR_BOOT_BASE,
.end = QNAP_TS209_NOR_BOOT_BASE + QNAP_TS209_NOR_BOOT_SIZE - 1,
};
static struct platform_device qnap_ts209_nor_flash = {
.name = "physmap-flash",
.id = 0,
.dev = { .platform_data = &qnap_ts209_nor_flash_data, },
.resource = &qnap_ts209_nor_flash_resource,
.num_resources = 1,
};
/*****************************************************************************
* PCI
****************************************************************************/
#define QNAP_TS209_PCI_SLOT0_OFFS 7
#define QNAP_TS209_PCI_SLOT0_IRQ_PIN 6
#define QNAP_TS209_PCI_SLOT1_IRQ_PIN 7
void __init qnap_ts209_pci_preinit(void)
{
int pin;
/*
* Configure PCI GPIO IRQ pins
*/
pin = QNAP_TS209_PCI_SLOT0_IRQ_PIN;
if (gpio_request(pin, "PCI Int1") == 0) {
if (gpio_direction_input(pin) == 0) {
set_irq_type(gpio_to_irq(pin), IRQT_LOW);
} else {
printk(KERN_ERR "qnap_ts209_pci_preinit failed to "
"set_irq_type pin %d\n", pin);
gpio_free(pin);
}
} else {
printk(KERN_ERR "qnap_ts209_pci_preinit failed to gpio_request "
"%d\n", pin);
}
pin = QNAP_TS209_PCI_SLOT1_IRQ_PIN;
if (gpio_request(pin, "PCI Int2") == 0) {
if (gpio_direction_input(pin) == 0) {
set_irq_type(gpio_to_irq(pin), IRQT_LOW);
} else {
printk(KERN_ERR "qnap_ts209_pci_preinit failed "
"to set_irq_type pin %d\n", pin);
gpio_free(pin);
}
} else {
printk(KERN_ERR "qnap_ts209_pci_preinit failed to gpio_request "
"%d\n", pin);
}
}
static int __init qnap_ts209_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
{
/*
* PCIE IRQ is connected internally (not GPIO)
*/
if (dev->bus->number == orion_pcie_local_bus_nr())
return IRQ_ORION_PCIE0_INT;
/*
* PCI IRQs are connected via GPIOs
*/
switch (slot - QNAP_TS209_PCI_SLOT0_OFFS) {
case 0:
return gpio_to_irq(QNAP_TS209_PCI_SLOT0_IRQ_PIN);
case 1:
return gpio_to_irq(QNAP_TS209_PCI_SLOT1_IRQ_PIN);
default:
return -1;
}
}
static struct hw_pci qnap_ts209_pci __initdata = {
.nr_controllers = 2,
.preinit = qnap_ts209_pci_preinit,
.swizzle = pci_std_swizzle,
.setup = orion_pci_sys_setup,
.scan = orion_pci_sys_scan_bus,
.map_irq = qnap_ts209_pci_map_irq,
};
static int __init qnap_ts209_pci_init(void)
{
if (machine_is_ts_x09())
pci_common_init(&qnap_ts209_pci);
return 0;
}
subsys_initcall(qnap_ts209_pci_init);
/*****************************************************************************
* Ethernet
****************************************************************************/
static struct mv643xx_eth_platform_data qnap_ts209_eth_data = {
.phy_addr = 8,
.force_phy_addr = 1,
};
/*****************************************************************************
* RTC S35390A on I2C bus
****************************************************************************/
static struct i2c_board_info __initdata qnap_ts209_i2c_rtc = {
.driver_name = "rtc-s35390a",
.addr = 0x30,
};
/****************************************************************************
* GPIO Attached Keys
* Power button is attached to the PIC microcontroller
****************************************************************************/
#define QNAP_TS209_GPIO_KEY_MEDIA 1
#define QNAP_TS209_GPIO_KEY_RESET 2
static struct gpio_keys_button qnap_ts209_buttons[] = {
{
.code = KEY_RESTART,
.gpio = QNAP_TS209_GPIO_KEY_MEDIA,
.desc = "USB Copy Button",
.active_low = 1,
},
{
.code = KEY_POWER,
.gpio = QNAP_TS209_GPIO_KEY_RESET,
.desc = "Reset Button",
.active_low = 1,
}
};
static struct gpio_keys_platform_data qnap_ts209_button_data = {
.buttons = qnap_ts209_buttons,
.nbuttons = ARRAY_SIZE(qnap_ts209_buttons),
};
static struct platform_device qnap_ts209_button_device = {
.name = "gpio-keys",
.id = -1,
.num_resources = 0,
.dev = { .platform_data = &qnap_ts209_button_data, },
};
/*****************************************************************************
* SATA
****************************************************************************/
static struct mv_sata_platform_data qnap_ts209_sata_data = {
.n_ports = 2,
};
/*****************************************************************************
* General Setup
****************************************************************************/
static struct platform_device *qnap_ts209_devices[] __initdata = {
&qnap_ts209_nor_flash,
&qnap_ts209_button_device,
};
/*
* QNAP TS-[12]09 specific power off method via UART1-attached PIC
*/
#define UART1_REG(x) (UART1_VIRT_BASE + ((UART_##x) << 2))
static void qnap_ts209_power_off(void)
{
/* 19200 baud divisor */
const unsigned divisor = ((ORION_TCLK + (8 * 19200)) / (16 * 19200));
pr_info("%s: triggering power-off...\n", __func__);
/* hijack uart1 and reset into sane state (19200,8n1) */
orion_write(UART1_REG(LCR), 0x83);
orion_write(UART1_REG(DLL), divisor & 0xff);
orion_write(UART1_REG(DLM), (divisor >> 8) & 0xff);
orion_write(UART1_REG(LCR), 0x03);
orion_write(UART1_REG(IER), 0x00);
orion_write(UART1_REG(FCR), 0x00);
orion_write(UART1_REG(MCR), 0x00);
/* send the power-off command 'A' to PIC */
orion_write(UART1_REG(TX), 'A');
}
static void __init qnap_ts209_init(void)
{
/*
* Setup basic Orion functions. Need to be called early.
*/
orion_init();
/*
* Setup flash mapping
*/
orion_setup_cpu_win(ORION_DEV_BOOT, QNAP_TS209_NOR_BOOT_BASE,
QNAP_TS209_NOR_BOOT_SIZE, -1);
/*
* Open a special address decode windows for the PCIE WA.
*/
orion_write(ORION_REGS_VIRT_BASE | 0x20074, ORION_PCIE_WA_PHYS_BASE);
orion_write(ORION_REGS_VIRT_BASE | 0x20070, (0x7941 |
(((ORION_PCIE_WA_SIZE >> 16) - 1)) << 16));
/*
* Setup Multiplexing Pins --
* MPP[0] Reserved
* MPP[1] USB copy button (0 active)
* MPP[2] Load defaults button (0 active)
* MPP[3] GPIO RTC
* MPP[4-5] Reserved
* MPP[6] PCI Int A
* MPP[7] PCI Int B
* MPP[8-11] Reserved
* MPP[12] SATA 0 presence
* MPP[13] SATA 1 presence
* MPP[14] SATA 0 active
* MPP[15] SATA 1 active
* MPP[16] UART1 RXD
* MPP[17] UART1 TXD
* MPP[18] SW_RST (0 active)
* MPP[19] Reserved
* MPP[20] PCI clock 0
* MPP[21] PCI clock 1
* MPP[22] USB 0 over current
* MPP[23-25] Reserved
*/
orion_write(MPP_0_7_CTRL, 0x3);
orion_write(MPP_8_15_CTRL, 0x55550000);
orion_write(MPP_16_19_CTRL, 0x5500);
orion_gpio_set_valid_pins(0x3cc0fff);
/* register ts209 specific power-off method */
pm_power_off = qnap_ts209_power_off;
platform_add_devices(qnap_ts209_devices,
ARRAY_SIZE(qnap_ts209_devices));
i2c_register_board_info(0, &qnap_ts209_i2c_rtc, 1);
orion_eth_init(&qnap_ts209_eth_data);
orion_sata_init(&qnap_ts209_sata_data);
}
MACHINE_START(TS209, "QNAP TS-109/TS-209")
/* Maintainer: Byron Bradley <byron.bbradley@gmail.com> */
.phys_io = ORION_REGS_PHYS_BASE,
.io_pg_offst = ((ORION_REGS_VIRT_BASE) >> 18) & 0xFFFC,
.boot_params = 0x00000100,
.init_machine = qnap_ts209_init,
.map_io = orion_map_io,
.init_irq = orion_init_irq,
.timer = &orion_timer,
MACHINE_END
|
