Contributors: 15
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Dmitry Torokhov |
408 |
29.87% |
1 |
2.44% |
| Manuel Lauss |
310 |
22.69% |
9 |
21.95% |
| Florian Fainelli |
265 |
19.40% |
9 |
21.95% |
| Ralf Baechle |
92 |
6.73% |
6 |
14.63% |
| Yoichi Yuasa |
91 |
6.66% |
2 |
4.88% |
| Jörn Engel |
74 |
5.42% |
1 |
2.44% |
| Andrew Morton |
61 |
4.47% |
1 |
2.44% |
| Pete Popov |
24 |
1.76% |
1 |
2.44% |
| Sergei Shtylyov |
11 |
0.81% |
1 |
2.44% |
| Linus Walleij |
10 |
0.73% |
1 |
2.44% |
| Thomas Gleixner |
7 |
0.51% |
2 |
4.88% |
| Linus Torvalds (pre-git) |
6 |
0.44% |
3 |
7.32% |
| Bruno Randolf |
5 |
0.37% |
2 |
4.88% |
| Bartlomiej Zolnierkiewicz |
1 |
0.07% |
1 |
2.44% |
| Arvind Yadav |
1 |
0.07% |
1 |
2.44% |
| Total |
1366 |
|
41 |
|
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* MTX-1 platform devices registration (Au1500)
*
* Copyright (C) 2007-2009, Florian Fainelli <florian@openwrt.org>
*/
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/gpio/machine.h>
#include <linux/gpio/property.h>
#include <linux/input.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <mtd/mtd-abi.h>
#include <asm/bootinfo.h>
#include <asm/reboot.h>
#include <asm/setup.h>
#include <asm/mach-au1x00/au1000.h>
#include <asm/mach-au1x00/gpio-au1000.h>
#include <asm/mach-au1x00/au1xxx_eth.h>
#include <prom.h>
const char *get_system_type(void)
{
return "MTX-1";
}
void prom_putchar(char c)
{
alchemy_uart_putchar(AU1000_UART0_PHYS_ADDR, c);
}
static void mtx1_reset(char *c)
{
/* Jump to the reset vector */
__asm__ __volatile__("jr\t%0" : : "r"(0xbfc00000));
}
static void mtx1_power_off(void)
{
while (1)
asm volatile (
" .set mips32 \n"
" wait \n"
" .set mips0 \n");
}
void __init board_setup(void)
{
#if IS_ENABLED(CONFIG_USB_OHCI_HCD)
/* Enable USB power switch */
alchemy_gpio_direction_output(204, 0);
#endif /* IS_ENABLED(CONFIG_USB_OHCI_HCD) */
/* Initialize sys_pinfunc */
alchemy_wrsys(SYS_PF_NI2, AU1000_SYS_PINFUNC);
/* Initialize GPIO */
alchemy_wrsys(~0, AU1000_SYS_TRIOUTCLR);
alchemy_gpio_direction_output(0, 0); /* Disable M66EN (PCI 66MHz) */
alchemy_gpio_direction_output(3, 1); /* Disable PCI CLKRUN# */
alchemy_gpio_direction_output(1, 1); /* Enable EXT_IO3 */
alchemy_gpio_direction_output(5, 0); /* Disable eth PHY TX_ER */
/* Enable LED and set it to green */
alchemy_gpio_direction_output(211, 1); /* green on */
alchemy_gpio_direction_output(212, 0); /* red off */
pm_power_off = mtx1_power_off;
_machine_halt = mtx1_power_off;
_machine_restart = mtx1_reset;
printk(KERN_INFO "4G Systems MTX-1 Board\n");
}
/******************************************************************************/
static const struct software_node mtx1_gpiochip_node = {
.name = "alchemy-gpio2",
};
static const struct software_node mtx1_gpio_keys_node = {
.name = "mtx1-gpio-keys",
};
static const struct property_entry mtx1_button_props[] = {
PROPERTY_ENTRY_U32("linux,code", BTN_0),
PROPERTY_ENTRY_GPIO("gpios", &mtx1_gpiochip_node, 7, GPIO_ACTIVE_HIGH),
PROPERTY_ENTRY_STRING("label", "System button"),
{ }
};
static const struct software_node mtx1_button_node = {
.parent = &mtx1_gpio_keys_node,
.properties = mtx1_button_props,
};
static const struct software_node *mtx1_gpio_keys_swnodes[] __initconst = {
&mtx1_gpio_keys_node,
&mtx1_button_node,
NULL
};
static void __init mtx1_keys_init(void)
{
struct platform_device_info keys_info = {
.name = "gpio-keys",
.id = PLATFORM_DEVID_NONE,
};
struct platform_device *pd;
int err;
err = software_node_register_node_group(mtx1_gpio_keys_swnodes);
if (err) {
pr_err("failed to register gpio-keys software nodes: %d\n", err);
return;
}
keys_info.fwnode = software_node_fwnode(&mtx1_gpio_keys_node);
pd = platform_device_register_full(&keys_info);
err = PTR_ERR_OR_ZERO(pd);
if (err)
pr_err("failed to create gpio-keys device: %d\n", err);
}
/* Global number 215 is offset 15 on Alchemy GPIO 2 */
static const struct property_entry mtx1_wdt_props[] = {
PROPERTY_ENTRY_GPIO("gpios", &mtx1_gpiochip_node, 15, GPIO_ACTIVE_HIGH),
{ }
};
static struct platform_device_info mtx1_wdt_info __initconst = {
.name = "mtx1-wdt",
.id = 0,
.properties = mtx1_wdt_props,
};
static void __init mtx1_wdt_init(void)
{
struct platform_device *pd;
int err;
pd = platform_device_register_full(&mtx1_wdt_info);
err = PTR_ERR_OR_ZERO(pd);
if (err)
pr_err("failed to create gpio-keys device: %d\n", err);
}
static const struct software_node mtx1_gpio_leds_node = {
.name = "mtx1-leds",
};
static const struct property_entry mtx1_green_led_props[] = {
PROPERTY_ENTRY_GPIO("gpios", &mtx1_gpiochip_node, 11, GPIO_ACTIVE_HIGH),
{ }
};
static const struct software_node mtx1_green_led_node = {
.name = "mtx1:green",
.parent = &mtx1_gpio_leds_node,
.properties = mtx1_green_led_props,
};
static const struct property_entry mtx1_red_led_props[] = {
PROPERTY_ENTRY_GPIO("gpios", &mtx1_gpiochip_node, 12, GPIO_ACTIVE_HIGH),
{ }
};
static const struct software_node mtx1_red_led_node = {
.name = "mtx1:red",
.parent = &mtx1_gpio_leds_node,
.properties = mtx1_red_led_props,
};
static const struct software_node *mtx1_gpio_leds_swnodes[] = {
&mtx1_gpio_leds_node,
&mtx1_green_led_node,
&mtx1_red_led_node,
NULL
};
static void __init mtx1_leds_init(void)
{
struct platform_device_info led_info = {
.name = "leds-gpio",
.id = PLATFORM_DEVID_NONE,
};
struct platform_device *led_dev;
int err;
err = software_node_register_node_group(mtx1_gpio_leds_swnodes);
if (err) {
pr_err("failed to register LED software nodes: %d\n", err);
return;
}
led_info.fwnode = software_node_fwnode(&mtx1_gpio_leds_node);
led_dev = platform_device_register_full(&led_info);
err = PTR_ERR_OR_ZERO(led_dev);
if (err)
pr_err("failed to create LED device: %d\n", err);
}
static struct mtd_partition mtx1_mtd_partitions[] = {
{
.name = "filesystem",
.size = 0x01C00000,
.offset = 0,
},
{
.name = "yamon",
.size = 0x00100000,
.offset = MTDPART_OFS_APPEND,
.mask_flags = MTD_WRITEABLE,
},
{
.name = "kernel",
.size = 0x002c0000,
.offset = MTDPART_OFS_APPEND,
},
{
.name = "yamon env",
.size = 0x00040000,
.offset = MTDPART_OFS_APPEND,
},
};
static struct physmap_flash_data mtx1_flash_data = {
.width = 4,
.nr_parts = 4,
.parts = mtx1_mtd_partitions,
};
static struct resource mtx1_mtd_resource = {
.start = 0x1e000000,
.end = 0x1fffffff,
.flags = IORESOURCE_MEM,
};
static struct platform_device mtx1_mtd = {
.name = "physmap-flash",
.dev = {
.platform_data = &mtx1_flash_data,
},
.num_resources = 1,
.resource = &mtx1_mtd_resource,
};
static struct resource alchemy_pci_host_res[] = {
[0] = {
.start = AU1500_PCI_PHYS_ADDR,
.end = AU1500_PCI_PHYS_ADDR + 0xfff,
.flags = IORESOURCE_MEM,
},
};
static int mtx1_pci_idsel(unsigned int devsel, int assert)
{
/* This function is only necessary to support a proprietary Cardbus
* adapter on the mtx-1 "singleboard" variant. It triggers a custom
* logic chip connected to EXT_IO3 (GPIO1) to suppress IDSEL signals.
*/
udelay(1);
if (assert && devsel != 0)
/* Suppress signal to Cardbus */
alchemy_gpio_set_value(1, 0); /* set EXT_IO3 OFF */
else
alchemy_gpio_set_value(1, 1); /* set EXT_IO3 ON */
udelay(1);
return 1;
}
static const char mtx1_irqtab[][5] = {
[0] = { -1, AU1500_PCI_INTA, AU1500_PCI_INTA, 0xff, 0xff }, /* IDSEL 00 - AdapterA-Slot0 (top) */
[1] = { -1, AU1500_PCI_INTB, AU1500_PCI_INTA, 0xff, 0xff }, /* IDSEL 01 - AdapterA-Slot1 (bottom) */
[2] = { -1, AU1500_PCI_INTC, AU1500_PCI_INTD, 0xff, 0xff }, /* IDSEL 02 - AdapterB-Slot0 (top) */
[3] = { -1, AU1500_PCI_INTD, AU1500_PCI_INTC, 0xff, 0xff }, /* IDSEL 03 - AdapterB-Slot1 (bottom) */
[4] = { -1, AU1500_PCI_INTA, AU1500_PCI_INTB, 0xff, 0xff }, /* IDSEL 04 - AdapterC-Slot0 (top) */
[5] = { -1, AU1500_PCI_INTB, AU1500_PCI_INTA, 0xff, 0xff }, /* IDSEL 05 - AdapterC-Slot1 (bottom) */
[6] = { -1, AU1500_PCI_INTC, AU1500_PCI_INTD, 0xff, 0xff }, /* IDSEL 06 - AdapterD-Slot0 (top) */
[7] = { -1, AU1500_PCI_INTD, AU1500_PCI_INTC, 0xff, 0xff }, /* IDSEL 07 - AdapterD-Slot1 (bottom) */
};
static int mtx1_map_pci_irq(const struct pci_dev *d, u8 slot, u8 pin)
{
return mtx1_irqtab[slot][pin];
}
static struct alchemy_pci_platdata mtx1_pci_pd = {
.board_map_irq = mtx1_map_pci_irq,
.board_pci_idsel = mtx1_pci_idsel,
.pci_cfg_set = PCI_CONFIG_AEN | PCI_CONFIG_R2H | PCI_CONFIG_R1H |
PCI_CONFIG_CH |
#if defined(__MIPSEB__)
PCI_CONFIG_SIC_HWA_DAT | PCI_CONFIG_SM,
#else
0,
#endif
};
static struct platform_device mtx1_pci_host = {
.dev.platform_data = &mtx1_pci_pd,
.name = "alchemy-pci",
.id = 0,
.num_resources = ARRAY_SIZE(alchemy_pci_host_res),
.resource = alchemy_pci_host_res,
};
static struct platform_device *mtx1_devs[] __initdata = {
&mtx1_pci_host,
&mtx1_mtd,
};
static struct au1000_eth_platform_data mtx1_au1000_eth0_pdata = {
.phy_search_highest_addr = 1,
.phy1_search_mac0 = 1,
};
static int __init mtx1_register_devices(void)
{
int rc;
irq_set_irq_type(AU1500_GPIO204_INT, IRQ_TYPE_LEVEL_HIGH);
irq_set_irq_type(AU1500_GPIO201_INT, IRQ_TYPE_LEVEL_LOW);
irq_set_irq_type(AU1500_GPIO202_INT, IRQ_TYPE_LEVEL_LOW);
irq_set_irq_type(AU1500_GPIO203_INT, IRQ_TYPE_LEVEL_LOW);
irq_set_irq_type(AU1500_GPIO205_INT, IRQ_TYPE_LEVEL_LOW);
au1xxx_override_eth_cfg(0, &mtx1_au1000_eth0_pdata);
rc = software_node_register(&mtx1_gpiochip_node);
if (rc)
return rc;
rc = platform_add_devices(mtx1_devs, ARRAY_SIZE(mtx1_devs));
if (rc)
return rc;
mtx1_leds_init();
mtx1_wdt_init();
mtx1_keys_init();
return 0;
}
arch_initcall(mtx1_register_devices);