mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-08-20 22:59:18 +03:00
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27592 3c298f89-4303-0410-b956-a3cf2f4a3e73
447 lines
12 KiB
C
447 lines
12 KiB
C
/*
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* arch/arm/mach-orion5x/dt2-setup.c
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*
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* Freecom DataTank Gateway Setup
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*
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* Copyright (C) 2009 Zintis Petersons <Zintis.Petersons@abcsolutions.lv>
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/pci.h>
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#include <linux/irq.h>
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#include <linux/mtd/physmap.h>
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#include <linux/mv643xx_eth.h>
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#include <linux/ethtool.h>
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#include <linux/if_ether.h>
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#include <net/dsa.h>
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#include <linux/ata_platform.h>
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#include <linux/i2c.h>
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#include <linux/reboot.h>
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#include <linux/interrupt.h>
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#include <asm/mach-types.h>
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#include <asm/gpio.h>
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#include <asm/leds.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/pci.h>
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#include <mach/orion5x.h>
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#include "common.h"
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#include "mpp.h"
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/*****************************************************************************
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* DT2 local
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****************************************************************************/
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#include <asm/setup.h>
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#include "dt2-common.h"
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u32 mvUbootVer = 0;
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u32 mvTclk = 166666667;
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u32 mvSysclk = 200000000;
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u32 mvIsUsbHost = 1;
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u32 overEthAddr = 0;
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u32 gBoardId = -1;
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struct DT2_EEPROM_STRUCT dt2_eeprom;
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/*****************************************************************************
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* DT2 Info
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****************************************************************************/
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/*
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* PCI
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*/
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#define DT2_PCI_SLOT0_OFFS 7
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#define DT2_PCI_SLOT0_IRQ_A_PIN 3
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#define DT2_PCI_SLOT0_IRQ_B_PIN 2
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#define DT2_PIN_GPIO_SYNC 25
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#define DT2_PIN_GPIO_POWER 24
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#define DT2_PIN_GPIO_UNPLUG1 23
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#define DT2_PIN_GPIO_UNPLUG2 22
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#define DT2_PIN_GPIO_RESET 4
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#define DT2_NOR_BOOT_BASE 0xf4000000
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#define DT2_NOR_BOOT_SIZE SZ_512K
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#define DT2_LEDS_BASE 0xfa000000
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#define DT2_LEDS_SIZE SZ_1K
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/*****************************************************************************
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* 512K NOR Flash on Device bus Boot CS
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****************************************************************************/
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static struct mtd_partition dt2_partitions[] = {
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{
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.name = "u-boot",
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.size = 0x00080000,
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.offset = 0,
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},
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};
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static struct physmap_flash_data dt2_nor_flash_data = {
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.width = 1, /* 8 bit bus width */
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.parts = dt2_partitions,
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.nr_parts = ARRAY_SIZE(dt2_partitions)
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};
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static struct resource dt2_nor_flash_resource = {
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.flags = IORESOURCE_MEM,
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.start = DT2_NOR_BOOT_BASE,
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.end = DT2_NOR_BOOT_BASE + DT2_NOR_BOOT_SIZE - 1,
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};
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static struct platform_device dt2_nor_flash = {
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.name = "physmap-flash",
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.id = 0,
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.dev = {
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.platform_data = &dt2_nor_flash_data,
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},
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.resource = &dt2_nor_flash_resource,
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.num_resources = 1,
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};
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/*****************************************************************************
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* PCI
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****************************************************************************/
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void __init dt2_pci_preinit(void)
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{
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int pin, irq;
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/*
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* Configure PCI GPIO IRQ pins
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*/
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pin = DT2_PCI_SLOT0_IRQ_A_PIN;
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if (gpio_request(pin, "PCI IntA") == 0) {
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if (gpio_direction_input(pin) == 0) {
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irq = gpio_to_irq(pin);
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irq_set_irq_type(irq, IRQ_TYPE_LEVEL_LOW);
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printk (KERN_INFO "PCI IntA IRQ: %d\n", irq);
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} else {
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printk(KERN_ERR "dt2_pci_preinit failed to "
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"irq_set_irq_type pin %d\n", pin);
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gpio_free(pin);
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}
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} else {
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printk(KERN_ERR "dt2_pci_preinit failed to request gpio %d\n", pin);
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}
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pin = DT2_PCI_SLOT0_IRQ_B_PIN;
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if (gpio_request(pin, "PCI IntB") == 0) {
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if (gpio_direction_input(pin) == 0) {
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irq = gpio_to_irq(pin);
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irq_set_irq_type(irq, IRQ_TYPE_LEVEL_LOW);
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printk (KERN_INFO "PCI IntB IRQ: %d\n", irq);
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} else {
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printk(KERN_ERR "dt2_pci_preinit failed to "
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"irq_set_irq_type pin %d\n", pin);
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gpio_free(pin);
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}
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} else {
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printk(KERN_ERR "dt2_pci_preinit failed to gpio_request %d\n", pin);
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}
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}
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static int __init dt2_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
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{
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int irq;
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/*
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* Check for devices with hard-wired IRQs.
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*/
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irq = orion5x_pci_map_irq(dev, slot, pin);
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if (irq != -1){
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printk(KERN_INFO "orion5x_pci_map_irq: %d\n", irq);
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return irq;
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}
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/*
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* PCI IRQs are connected via GPIOs
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*/
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switch (slot - DT2_PCI_SLOT0_OFFS) {
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case 0:
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if (pin == 1){
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irq = gpio_to_irq(DT2_PCI_SLOT0_IRQ_A_PIN);
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printk(KERN_INFO "dt2_pci_map_irq DT2_PCI_SLOT0_IRQ_A_PIN: %d\n", irq);
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}
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else {
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irq = gpio_to_irq(DT2_PCI_SLOT0_IRQ_B_PIN);
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printk(KERN_INFO "dt2_pci_map_irq DT2_PCI_SLOT0_IRQ_B_PIN: %d\n", irq);
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}
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default:
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irq = -1;
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printk(KERN_INFO "dt2_pci_map_irq IRQ: %d\n", irq);
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}
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return irq;
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}
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static struct hw_pci dt2_pci __initdata = {
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.nr_controllers = 2,
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.preinit = dt2_pci_preinit,
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.swizzle = pci_std_swizzle,
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.setup = orion5x_pci_sys_setup,
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.scan = orion5x_pci_sys_scan_bus,
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.map_irq = dt2_pci_map_irq,
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};
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static int __init dt2_pci_init(void)
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{
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if (machine_is_dt2())
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pci_common_init(&dt2_pci);
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return 0;
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}
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subsys_initcall(dt2_pci_init);
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/*****************************************************************************
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* Ethernet
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****************************************************************************/
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static struct mv643xx_eth_platform_data dt2_eth_data = {
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.phy_addr = MV643XX_ETH_PHY_NONE,
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.speed = SPEED_1000,
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.duplex = DUPLEX_FULL,
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};
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static struct dsa_chip_data dt2_switch_chip_data = {
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.port_names[0] = "wan",
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.port_names[1] = "lan1",
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.port_names[2] = "lan2",
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.port_names[3] = "cpu",
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.port_names[4] = "lan3",
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.port_names[5] = "lan4",
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};
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static struct dsa_platform_data dt2_switch_plat_data = {
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.nr_chips = 1,
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.chip = &dt2_switch_chip_data,
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};
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/*****************************************************************************
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* RTC ISL1208 on I2C bus
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****************************************************************************/
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static struct i2c_board_info __initdata dt2_i2c_rtc = {
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I2C_BOARD_INFO("isl1208", 0x6F),
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};
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/*****************************************************************************
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* Sata
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****************************************************************************/
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static struct mv_sata_platform_data dt2_sata_data = {
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.n_ports = 2,
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};
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/*****************************************************************************
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* General Setup
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****************************************************************************/
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static unsigned int dt2_mpp_modes[] __initdata = {
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MPP0_GPIO, // RTC interrupt
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MPP1_GPIO, // 88e6131 interrupt
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MPP2_GPIO, // PCI_intB
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MPP3_GPIO, // PCI_intA
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MPP4_GPIO, // reset button switch
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MPP5_GPIO,
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MPP6_GPIO,
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MPP7_GPIO,
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MPP8_GPIO,
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MPP9_GIGE, /* GE_RXERR */
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MPP10_GPIO, // usb
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MPP11_GPIO, // usb
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MPP12_GIGE, // GE_TXD[4]
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MPP13_GIGE, // GE_TXD[5]
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MPP14_GIGE, // GE_TXD[6]
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MPP15_GIGE, // GE_TXD[7]
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MPP16_GIGE, // GE_RXD[4]
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MPP17_GIGE, // GE_RXD[5]
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MPP18_GIGE, // GE_RXD[6]
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MPP19_GIGE, // GE_RXD[7]
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0,
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};
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/*****************************************************************************
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* LEDS
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****************************************************************************/
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static struct platform_device dt2_leds = {
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.name = "dt2-led",
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.id = -1,
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};
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/****************************************************************************
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* GPIO key
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****************************************************************************/
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static irqreturn_t dt2_reset_handler(int irq, void *dev_id)
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{
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/* This is the paper-clip reset which does an emergency reboot. */
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printk(KERN_INFO "Restarting system.\n");
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machine_restart(NULL);
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/* This should never be reached. */
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return IRQ_HANDLED;
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}
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static irqreturn_t dt2_power_handler(int irq, void *dev_id)
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{
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printk(KERN_INFO "Shutting down system.\n");
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machine_power_off();
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return IRQ_HANDLED;
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}
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static void __init dt2_init(void)
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{
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/*
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* Setup basic Orion functions. Need to be called early.
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*/
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orion5x_init();
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orion5x_mpp_conf(dt2_mpp_modes);
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/*
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* Configure peripherals.
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*/
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orion5x_uart0_init();
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orion5x_ehci0_init();
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orion5x_ehci1_init();
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orion5x_i2c_init();
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orion5x_sata_init(&dt2_sata_data);
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orion5x_xor_init();
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printk(KERN_INFO "U-Boot parameters:\n");
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printk(KERN_INFO "Sys Clk = %d, Tclk = %d, BoardID = 0x%02x\n", mvSysclk, mvTclk, gBoardId);
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printk(KERN_INFO "Serial: %s\n", dt2_eeprom.fc.dt2_serial_number);
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printk(KERN_INFO "Revision: %016x\n", dt2_eeprom.fc.dt2_revision);
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printk(KERN_INFO "DT2: Using MAC address %pM for port 0\n",
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dt2_eeprom.gw.mac_addr[0]);
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printk(KERN_INFO "DT2: Using MAC address %pM for port 1\n",
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dt2_eeprom.gw.mac_addr[1]);
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orion5x_eth_init(&dt2_eth_data);
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memcpy(dt2_eth_data.mac_addr, dt2_eeprom.gw.mac_addr[0], 6);
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orion5x_eth_switch_init(&dt2_switch_plat_data, NO_IRQ);
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i2c_register_board_info(0, &dt2_i2c_rtc, 1);
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orion5x_setup_dev_boot_win(DT2_NOR_BOOT_BASE, DT2_NOR_BOOT_SIZE);
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platform_device_register(&dt2_nor_flash);
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orion5x_setup_dev0_win(DT2_LEDS_BASE, DT2_LEDS_SIZE);
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platform_device_register(&dt2_leds);
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if (request_irq(gpio_to_irq(DT2_PIN_GPIO_RESET), &dt2_reset_handler,
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IRQF_DISABLED | IRQF_TRIGGER_LOW,
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"DT2: Reset button", NULL) < 0) {
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printk("DT2: Reset Button IRQ %d not available\n",
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gpio_to_irq(DT2_PIN_GPIO_RESET));
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}
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if (request_irq(gpio_to_irq(DT2_PIN_GPIO_POWER), &dt2_power_handler,
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IRQF_DISABLED | IRQF_TRIGGER_LOW,
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"DT2: Power button", NULL) < 0) {
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printk(KERN_DEBUG "DT2: Power Button IRQ %d not available\n",
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gpio_to_irq(DT2_PIN_GPIO_POWER));
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}
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}
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static int __init parse_tag_dt2_uboot(const struct tag *t)
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{
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struct tag_mv_uboot *mv_uboot;
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// Get pointer to our block
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mv_uboot = (struct tag_mv_uboot*)&t->u;
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mvTclk = mv_uboot->tclk;
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mvSysclk = mv_uboot->sysclk;
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mvUbootVer = mv_uboot->uboot_version;
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mvIsUsbHost = mv_uboot->isUsbHost;
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// Some clock fixups
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if(mvTclk == 166000000) mvTclk = 166666667;
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else if(mvTclk == 133000000) mvTclk = 133333333;
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else if(mvSysclk == 166000000) mvSysclk = 166666667;
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gBoardId = (mvUbootVer & 0xff);
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//DT2 specific data
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memcpy(&dt2_eeprom, mv_uboot->dt2_eeprom, sizeof(struct DT2_EEPROM_STRUCT));
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return 0;
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}
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__tagtable(ATAG_MV_UBOOT, parse_tag_dt2_uboot);
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/*
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* This is OpenWrt specific fixup. It includes code from original "tag_fixup_mem32" to
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* fixup bogus memory tags and also fixes kernel cmdline by adding " init=/etc/preinit"
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* at the end. It is important to flash OpenWrt image from original Freecom firmware.
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*
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* Vanilla kernel should use "tag_fixup_mem32" function.
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*/
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void __init openwrt_fixup(struct machine_desc *mdesc, struct tag *t,
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char **from, struct meminfo *meminfo)
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{
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char *p = NULL;
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static char openwrt_init_tag[] __initdata = " init=/etc/preinit";
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for (; t->hdr.size; t = tag_next(t)){
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/* Locate the Freecom cmdline */
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if (t->hdr.tag == ATAG_CMDLINE) {
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p = t->u.cmdline.cmdline;
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printk("%s(%d): Found cmdline '%s' at 0x%0lx\n",
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__FUNCTION__, __LINE__, p, (unsigned long)p);
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}
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/*
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* Many orion-based systems have buggy bootloader implementations.
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* This is a common fixup for bogus memory tags.
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*/
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if (t->hdr.tag == ATAG_MEM &&
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(!t->u.mem.size || t->u.mem.size & ~PAGE_MASK ||
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t->u.mem.start & ~PAGE_MASK)) {
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printk(KERN_WARNING
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"Clearing invalid memory bank %dKB@0x%08x\n",
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t->u.mem.size / 1024, t->u.mem.start);
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t->hdr.tag = 0;
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}
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}
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printk("%s(%d): End of table at 0x%0lx\n", __FUNCTION__, __LINE__, (unsigned long)t);
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/* Overwrite the end of the table with a new cmdline tag. */
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t->hdr.tag = ATAG_CMDLINE;
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t->hdr.size =
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(sizeof (struct tag_header) +
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strlen(p) + strlen(openwrt_init_tag) + 1 + 4) >> 2;
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strlcpy(t->u.cmdline.cmdline, p, COMMAND_LINE_SIZE);
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strlcpy(t->u.cmdline.cmdline + strlen(p), openwrt_init_tag,
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COMMAND_LINE_SIZE - strlen(p));
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printk("%s(%d): New cmdline '%s' at 0x%0lx\n",
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__FUNCTION__, __LINE__,
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t->u.cmdline.cmdline, (unsigned long)t->u.cmdline.cmdline);
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t = tag_next(t);
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printk("%s(%d): New end of table at 0x%0lx\n", __FUNCTION__, __LINE__, (unsigned long)t);
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t->hdr.tag = ATAG_NONE;
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t->hdr.size = 0;
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}
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/* Warning: Freecom uses their own custom bootloader with mach-type (=1500) */
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MACHINE_START(DT2, "Freecom DataTank Gateway")
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/* Maintainer: Zintis Petersons <Zintis.Petersons@abcsolutions.lv> */
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.boot_params = 0x00000100,
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.init_machine = dt2_init,
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.map_io = orion5x_map_io,
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.init_irq = orion5x_init_irq,
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.timer = &orion5x_timer,
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.fixup = openwrt_fixup, //tag_fixup_mem32,
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MACHINE_END
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