mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-21 10:28:59 +02:00
e22f7daae5
In order to get OHCI/EHCI working on the Rt3352, the platform device must be named so rt3883-?hci will recognize it. Signed-off-by: Daniel Golle <dgolle@allnet.de> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33145 3c298f89-4303-0410-b956-a3cf2f4a3e73
407 lines
9.6 KiB
C
407 lines
9.6 KiB
C
/*
|
|
* Ralink RT305x SoC platform device registration
|
|
*
|
|
* Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 as published
|
|
* by the Free Software Foundation.
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/err.h>
|
|
#include <linux/clk.h>
|
|
#include <linux/mtd/mtd.h>
|
|
#include <linux/mtd/physmap.h>
|
|
#include <linux/spi/spi.h>
|
|
#include <linux/rt2x00_platform.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/dma-mapping.h>
|
|
|
|
#include <asm/addrspace.h>
|
|
|
|
#include <asm/mach-ralink/rt305x.h>
|
|
#include <asm/mach-ralink/rt305x_regs.h>
|
|
#include "devices.h"
|
|
|
|
#include <ramips_eth_platform.h>
|
|
#include <rt305x_esw_platform.h>
|
|
#include <rt3883_ehci_platform.h>
|
|
#include <rt3883_ohci_platform.h>
|
|
|
|
static struct resource rt305x_flash0_resources[] = {
|
|
{
|
|
.flags = IORESOURCE_MEM,
|
|
.start = KSEG1ADDR(RT305X_FLASH0_BASE),
|
|
.end = KSEG1ADDR(RT305X_FLASH0_BASE) +
|
|
RT305X_FLASH0_SIZE - 1,
|
|
},
|
|
};
|
|
|
|
struct physmap_flash_data rt305x_flash0_data;
|
|
static struct platform_device rt305x_flash0_device = {
|
|
.name = "physmap-flash",
|
|
.resource = rt305x_flash0_resources,
|
|
.num_resources = ARRAY_SIZE(rt305x_flash0_resources),
|
|
.dev = {
|
|
.platform_data = &rt305x_flash0_data,
|
|
},
|
|
};
|
|
|
|
static struct resource rt305x_flash1_resources[] = {
|
|
{
|
|
.flags = IORESOURCE_MEM,
|
|
.start = KSEG1ADDR(RT305X_FLASH1_BASE),
|
|
.end = KSEG1ADDR(RT305X_FLASH1_BASE) +
|
|
RT305X_FLASH1_SIZE - 1,
|
|
},
|
|
};
|
|
|
|
struct physmap_flash_data rt305x_flash1_data;
|
|
static struct platform_device rt305x_flash1_device = {
|
|
.name = "physmap-flash",
|
|
.resource = rt305x_flash1_resources,
|
|
.num_resources = ARRAY_SIZE(rt305x_flash1_resources),
|
|
.dev = {
|
|
.platform_data = &rt305x_flash1_data,
|
|
},
|
|
};
|
|
|
|
static int rt305x_flash_instance __initdata;
|
|
void __init rt305x_register_flash(unsigned int id)
|
|
{
|
|
struct platform_device *pdev;
|
|
struct physmap_flash_data *pdata;
|
|
u32 t;
|
|
int reg;
|
|
|
|
switch (id) {
|
|
case 0:
|
|
pdev = &rt305x_flash0_device;
|
|
reg = MEMC_REG_FLASH_CFG0;
|
|
break;
|
|
case 1:
|
|
pdev = &rt305x_flash1_device;
|
|
reg = MEMC_REG_FLASH_CFG1;
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
|
|
t = rt305x_memc_rr(reg);
|
|
t = (t >> FLASH_CFG_WIDTH_SHIFT) & FLASH_CFG_WIDTH_MASK;
|
|
|
|
pdata = pdev->dev.platform_data;
|
|
switch (t) {
|
|
case FLASH_CFG_WIDTH_8BIT:
|
|
pdata->width = 1;
|
|
break;
|
|
case FLASH_CFG_WIDTH_16BIT:
|
|
pdata->width = 2;
|
|
break;
|
|
case FLASH_CFG_WIDTH_32BIT:
|
|
pdata->width = 4;
|
|
break;
|
|
default:
|
|
printk(KERN_ERR "RT305x: flash bank%u witdh is invalid\n", id);
|
|
return;
|
|
}
|
|
|
|
pdev->id = rt305x_flash_instance;
|
|
|
|
platform_device_register(pdev);
|
|
rt305x_flash_instance++;
|
|
}
|
|
|
|
static void rt305x_fe_reset(void)
|
|
{
|
|
rt305x_sysc_wr(RT305X_RESET_FE, SYSC_REG_RESET_CTRL);
|
|
rt305x_sysc_wr(0, SYSC_REG_RESET_CTRL);
|
|
}
|
|
|
|
static struct resource rt305x_eth_resources[] = {
|
|
{
|
|
.start = RT305X_FE_BASE,
|
|
.end = RT305X_FE_BASE + PAGE_SIZE - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
}, {
|
|
.start = RT305X_CPU_IRQ_FE,
|
|
.end = RT305X_CPU_IRQ_FE,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct ramips_eth_platform_data ramips_eth_data = {
|
|
.mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 },
|
|
.reset_fe = rt305x_fe_reset,
|
|
.min_pkt_len = 64,
|
|
};
|
|
|
|
static struct platform_device rt305x_eth_device = {
|
|
.name = "ramips_eth",
|
|
.resource = rt305x_eth_resources,
|
|
.num_resources = ARRAY_SIZE(rt305x_eth_resources),
|
|
.dev = {
|
|
.platform_data = &ramips_eth_data,
|
|
}
|
|
};
|
|
|
|
static struct resource rt305x_esw_resources[] = {
|
|
{
|
|
.start = RT305X_SWITCH_BASE,
|
|
.end = RT305X_SWITCH_BASE + PAGE_SIZE - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
};
|
|
|
|
struct rt305x_esw_platform_data rt305x_esw_data = {
|
|
.vlan_config = RT305X_ESW_VLAN_CONFIG_NONE,
|
|
.reg_initval_fct2 = 0x00d6500c,
|
|
.reg_initval_fpa2 = 0x3f502b28,
|
|
};
|
|
|
|
static struct platform_device rt305x_esw_device = {
|
|
.name = "rt305x-esw",
|
|
.resource = rt305x_esw_resources,
|
|
.num_resources = ARRAY_SIZE(rt305x_esw_resources),
|
|
.dev = {
|
|
.platform_data = &rt305x_esw_data,
|
|
}
|
|
};
|
|
|
|
void __init rt305x_register_ethernet(void)
|
|
{
|
|
struct clk *clk;
|
|
|
|
clk = clk_get(NULL, "sys");
|
|
if (IS_ERR(clk))
|
|
panic("unable to get SYS clock, err=%ld", PTR_ERR(clk));
|
|
|
|
ramips_eth_data.sys_freq = clk_get_rate(clk);
|
|
|
|
platform_device_register(&rt305x_esw_device);
|
|
platform_device_register(&rt305x_eth_device);
|
|
}
|
|
|
|
static struct resource rt305x_wifi_resources[] = {
|
|
{
|
|
.start = RT305X_WMAC_BASE,
|
|
.end = RT305X_WMAC_BASE + 0x3FFFF,
|
|
.flags = IORESOURCE_MEM,
|
|
}, {
|
|
.start = RT305X_CPU_IRQ_WNIC,
|
|
.end = RT305X_CPU_IRQ_WNIC,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct rt2x00_platform_data rt305x_wifi_data;
|
|
static struct platform_device rt305x_wifi_device = {
|
|
.name = "rt2800_wmac",
|
|
.resource = rt305x_wifi_resources,
|
|
.num_resources = ARRAY_SIZE(rt305x_wifi_resources),
|
|
.dev = {
|
|
.platform_data = &rt305x_wifi_data,
|
|
}
|
|
};
|
|
|
|
void __init rt305x_register_wifi(void)
|
|
{
|
|
rt305x_wifi_data.eeprom_file_name = "RT305X.eeprom";
|
|
platform_device_register(&rt305x_wifi_device);
|
|
}
|
|
|
|
static struct resource rt305x_wdt_resources[] = {
|
|
{
|
|
.start = RT305X_TIMER_BASE,
|
|
.end = RT305X_TIMER_BASE + RT305X_TIMER_SIZE - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
};
|
|
|
|
static struct platform_device rt305x_wdt_device = {
|
|
.name = "ramips-wdt",
|
|
.id = -1,
|
|
.resource = rt305x_wdt_resources,
|
|
.num_resources = ARRAY_SIZE(rt305x_wdt_resources),
|
|
};
|
|
|
|
void __init rt305x_register_wdt(void)
|
|
{
|
|
u32 t;
|
|
|
|
/* enable WDT reset output on pin SRAM_CS_N */
|
|
t = rt305x_sysc_rr(SYSC_REG_SYSTEM_CONFIG);
|
|
t |= RT305X_SYSCFG_SRAM_CS0_MODE_WDT <<
|
|
RT305X_SYSCFG_SRAM_CS0_MODE_SHIFT;
|
|
rt305x_sysc_wr(t, SYSC_REG_SYSTEM_CONFIG);
|
|
|
|
platform_device_register(&rt305x_wdt_device);
|
|
}
|
|
|
|
static struct resource rt305x_spi_resources[] = {
|
|
{
|
|
.flags = IORESOURCE_MEM,
|
|
.start = RT305X_SPI_BASE,
|
|
.end = RT305X_SPI_BASE + RT305X_SPI_SIZE - 1,
|
|
},
|
|
};
|
|
|
|
static struct platform_device rt305x_spi_device = {
|
|
.name = "ramips-spi",
|
|
.id = 0,
|
|
.resource = rt305x_spi_resources,
|
|
.num_resources = ARRAY_SIZE(rt305x_spi_resources),
|
|
};
|
|
|
|
void __init rt305x_register_spi(struct spi_board_info *info, int n)
|
|
{
|
|
spi_register_board_info(info, n);
|
|
platform_device_register(&rt305x_spi_device);
|
|
}
|
|
|
|
static struct resource rt305x_dwc_otg_resources[] = {
|
|
{
|
|
.start = RT305X_OTG_BASE,
|
|
.end = RT305X_OTG_BASE + 0x3FFFF,
|
|
.flags = IORESOURCE_MEM,
|
|
}, {
|
|
.start = RT305X_INTC_IRQ_OTG,
|
|
.end = RT305X_INTC_IRQ_OTG,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct platform_device rt305x_dwc_otg_device = {
|
|
.name = "dwc_otg",
|
|
.resource = rt305x_dwc_otg_resources,
|
|
.num_resources = ARRAY_SIZE(rt305x_dwc_otg_resources),
|
|
.dev = {
|
|
.platform_data = NULL,
|
|
}
|
|
};
|
|
|
|
static atomic_t rt3352_usb_use_count = ATOMIC_INIT(0);
|
|
|
|
static void rt3352_usb_host_start(void)
|
|
{
|
|
u32 t;
|
|
|
|
if (atomic_inc_return(&rt3352_usb_use_count) != 1)
|
|
return;
|
|
|
|
t = rt305x_sysc_rr(RT3352_SYSC_REG_USB_PS);
|
|
|
|
/* enable clock for port0's and port1's phys */
|
|
t = rt305x_sysc_rr(RT3352_SYSC_REG_CLKCFG1);
|
|
t = t | RT3352_CLKCFG1_UPHY0_CLK_EN | RT3352_CLKCFG1_UPHY1_CLK_EN;
|
|
rt305x_sysc_wr(t, RT3352_SYSC_REG_CLKCFG1);
|
|
mdelay(500);
|
|
|
|
/* pull USBHOST and USBDEV out from reset */
|
|
t = rt305x_sysc_rr(RT3352_SYSC_REG_RSTCTRL);
|
|
t &= ~(RT3352_RSTCTRL_UHST | RT3352_RSTCTRL_UDEV);
|
|
rt305x_sysc_wr(t, RT3352_SYSC_REG_RSTCTRL);
|
|
mdelay(500);
|
|
|
|
/* enable host mode */
|
|
t = rt305x_sysc_rr(RT3352_SYSC_REG_SYSCFG1);
|
|
t |= RT3352_SYSCFG1_USB0_HOST_MODE;
|
|
rt305x_sysc_wr(t, RT3352_SYSC_REG_SYSCFG1);
|
|
|
|
t = rt305x_sysc_rr(RT3352_SYSC_REG_USB_PS);
|
|
}
|
|
|
|
static void rt3352_usb_host_stop(void)
|
|
{
|
|
u32 t;
|
|
|
|
if (atomic_dec_return(&rt3352_usb_use_count) != 0)
|
|
return;
|
|
|
|
/* put USBHOST and USBDEV into reset */
|
|
t = rt305x_sysc_rr(RT3352_SYSC_REG_RSTCTRL);
|
|
t |= RT3352_RSTCTRL_UHST | RT3352_RSTCTRL_UDEV;
|
|
rt305x_sysc_wr(t, RT3352_SYSC_REG_RSTCTRL);
|
|
udelay(10000);
|
|
|
|
/* disable clock for port0's and port1's phys*/
|
|
t = rt305x_sysc_rr(RT3352_SYSC_REG_CLKCFG1);
|
|
t &= ~(RT3352_CLKCFG1_UPHY0_CLK_EN | RT3352_CLKCFG1_UPHY1_CLK_EN);
|
|
rt305x_sysc_wr(t, RT3352_SYSC_REG_CLKCFG1);
|
|
udelay(10000);
|
|
}
|
|
|
|
static struct rt3883_ehci_platform_data rt3352_ehci_data = {
|
|
.start_hw = rt3352_usb_host_start,
|
|
.stop_hw = rt3352_usb_host_stop,
|
|
};
|
|
|
|
static struct resource rt3352_ehci_resources[] = {
|
|
{
|
|
.start = RT3352_EHCI_BASE,
|
|
.end = RT3352_EHCI_BASE + RT3352_EHCI_SIZE - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
}, {
|
|
.start = RT305X_INTC_IRQ_OTG,
|
|
.end = RT305X_INTC_IRQ_OTG,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static u64 rt3352_ehci_dmamask = DMA_BIT_MASK(32);
|
|
static struct platform_device rt3352_ehci_device = {
|
|
.name = "rt3883-ehci",
|
|
.id = -1,
|
|
.resource = rt3352_ehci_resources,
|
|
.num_resources = ARRAY_SIZE(rt3352_ehci_resources),
|
|
.dev = {
|
|
.dma_mask = &rt3352_ehci_dmamask,
|
|
.coherent_dma_mask = DMA_BIT_MASK(32),
|
|
.platform_data = &rt3352_ehci_data,
|
|
},
|
|
};
|
|
|
|
static struct resource rt3352_ohci_resources[] = {
|
|
{
|
|
.start = RT3352_OHCI_BASE,
|
|
.end = RT3352_OHCI_BASE + RT3352_OHCI_SIZE - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
}, {
|
|
.start = RT305X_INTC_IRQ_OTG,
|
|
.end = RT305X_INTC_IRQ_OTG,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct rt3883_ohci_platform_data rt3352_ohci_data = {
|
|
.start_hw = rt3352_usb_host_start,
|
|
.stop_hw = rt3352_usb_host_stop,
|
|
};
|
|
|
|
static u64 rt3352_ohci_dmamask = DMA_BIT_MASK(32);
|
|
static struct platform_device rt3352_ohci_device = {
|
|
.name = "rt3883-ohci",
|
|
.id = -1,
|
|
.resource = rt3352_ohci_resources,
|
|
.num_resources = ARRAY_SIZE(rt3352_ohci_resources),
|
|
.dev = {
|
|
.dma_mask = &rt3352_ohci_dmamask,
|
|
.coherent_dma_mask = DMA_BIT_MASK(32),
|
|
.platform_data = &rt3352_ohci_data,
|
|
},
|
|
};
|
|
|
|
void __init rt305x_register_usb(void)
|
|
{
|
|
if (soc_is_rt305x() || soc_is_rt3350()) {
|
|
platform_device_register(&rt305x_dwc_otg_device);
|
|
} else if (soc_is_rt3352()) {
|
|
platform_device_register(&rt3352_ehci_device);
|
|
platform_device_register(&rt3352_ohci_device);
|
|
} else {
|
|
BUG();
|
|
}
|
|
}
|