1
0
mirror of git://projects.qi-hardware.com/openwrt-xburst.git synced 2024-11-18 17:37:10 +02:00
openwrt-xburst/target/linux/ramips/files/arch/mips/ralink/rt305x/devices.c
juhosg e8e5a1eaf8 ramips: convert to use {e,o}hci-platform driver
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34843 3c298f89-4303-0410-b956-a3cf2f4a3e73
2012-12-22 12:11:08 +00:00

425 lines
10 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 <linux/usb/ehci_pdriver.h>
#include <linux/usb/ohci_pdriver.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>
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 = {
/* All ports are LAN ports. */
.vlan_config = RT305X_ESW_VLAN_CONFIG_NONE,
.reg_initval_fct2 = 0x00d6500c,
/*
* ext phy base addr 31, enable port 5 polling, rx/tx clock skew 1,
* turbo mii off, rgmi 3.3v off
* port5: disabled
* port6: enabled, gige, full-duplex, rx/tx-flow-control
*/
.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)
{
u32 t;
rt305x_wifi_data.eeprom_file_name = "RT305X.eeprom";
if (soc_is_rt3352() || soc_is_rt5350()) {
t = rt305x_sysc_rr(SYSC_REG_SYSTEM_CONFIG);
t &= RT3352_SYSCFG0_XTAL_SEL;
if (!t)
rt305x_wifi_data.clk_is_20mhz = 1;
}
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_pwr_ref = ATOMIC_INIT(0);
static int rt3352_usb_power_on(struct platform_device *pdev)
{
if (atomic_inc_return(&rt3352_usb_pwr_ref) == 1) {
u32 t;
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 |= 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);
}
return 0;
}
static void rt3352_usb_power_off(struct platform_device *pdev)
{
if (atomic_dec_return(&rt3352_usb_pwr_ref) == 0) {
u32 t;
/* 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 usb_ehci_pdata rt3352_ehci_data = {
.port_power_off = 1,
.power_on = rt3352_usb_power_on,
.power_off = rt3352_usb_power_off,
};
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 = "ehci-platform",
.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 usb_ohci_pdata rt3352_ohci_data = {
.power_on = rt3352_usb_power_on,
.power_off = rt3352_usb_power_off,
};
static u64 rt3352_ohci_dmamask = DMA_BIT_MASK(32);
static struct platform_device rt3352_ohci_device = {
.name = "ohci-platform",
.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() || soc_is_rt5350()) {
platform_device_register(&rt3352_ehci_device);
platform_device_register(&rt3352_ohci_device);
} else {
BUG();
}
}