diff options
Diffstat (limited to 'target/linux/ramips/files/arch/mips/ralink/rt3883/devices.c')
| -rw-r--r-- | target/linux/ramips/files/arch/mips/ralink/rt3883/devices.c | 398 |
1 files changed, 0 insertions, 398 deletions
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt3883/devices.c b/target/linux/ramips/files/arch/mips/ralink/rt3883/devices.c deleted file mode 100644 index 6077e97dda..0000000000 --- a/target/linux/ramips/files/arch/mips/ralink/rt3883/devices.c +++ /dev/null @@ -1,398 +0,0 @@ -/* - * Ralink RT3662/RT3883 SoC platform device registration - * - * Copyright (C) 2011-2012 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/mtd/mtd.h> -#include <linux/mtd/physmap.h> -#include <linux/mtd/partitions.h> -#include <linux/dma-mapping.h> -#include <linux/spi/spi.h> -#include <linux/delay.h> -#include <linux/err.h> -#include <linux/clk.h> -#include <linux/rt2x00_platform.h> -#include <linux/usb/ehci_pdriver.h> -#include <linux/usb/ohci_pdriver.h> - -#include <asm/addrspace.h> - -#include <asm/mach-ralink/rt3883.h> -#include <asm/mach-ralink/rt3883_regs.h> -#include <asm/mach-ralink/ramips_nand_platform.h> -#include "devices.h" - -#include <ramips_eth_platform.h> - -static struct resource rt3883_flash0_resources[] = { - { - .flags = IORESOURCE_MEM, - .start = RT3883_BOOT_BASE, - .end = RT3883_BOOT_BASE + RT3883_BOOT_SIZE - 1, - }, -}; - -struct physmap_flash_data rt3883_flash0_data; -static struct platform_device rt3883_flash0_device = { - .name = "physmap-flash", - .resource = rt3883_flash0_resources, - .num_resources = ARRAY_SIZE(rt3883_flash0_resources), - .dev = { - .platform_data = &rt3883_flash0_data, - }, -}; - -static struct resource rt3883_flash1_resources[] = { - { - .flags = IORESOURCE_MEM, - .start = RT3883_SRAM_BASE, - .end = RT3883_SRAM_BASE + RT3883_SRAM_SIZE - 1, - }, -}; - -struct physmap_flash_data rt3883_flash1_data; -static struct platform_device rt3883_flash1_device = { - .name = "physmap-flash", - .resource = rt3883_flash1_resources, - .num_resources = ARRAY_SIZE(rt3883_flash1_resources), - .dev = { - .platform_data = &rt3883_flash1_data, - }, -}; - -static int rt3883_flash_instance __initdata; -void __init rt3883_register_pflash(unsigned int id) -{ - struct platform_device *pdev; - struct physmap_flash_data *pdata; - void __iomem *fscc_base; - u32 t; - int reg; - - switch (id) { - case 0: - pdev = &rt3883_flash0_device; - reg = RT3883_FSCC_REG_FLASH_CFG0; - break; - case 1: - pdev = &rt3883_flash1_device; - reg = RT3883_FSCC_REG_FLASH_CFG1; - break; - default: - return; - } - - pdata = pdev->dev.platform_data; - - fscc_base = ioremap(RT3883_FSCC_BASE, RT3883_FSCC_SIZE); - if (!fscc_base) - panic("RT3883: ioremap failed for FSCC"); - - t = __raw_readl(fscc_base + reg); - iounmap(fscc_base); - - t = (t >> RT3883_FLASH_CFG_WIDTH_SHIFT) & RT3883_FLASH_CFG_WIDTH_MASK; - switch (t) { - case RT3883_FLASH_CFG_WIDTH_8BIT: - pdata->width = 1; - break; - case RT3883_FLASH_CFG_WIDTH_16BIT: - pdata->width = 2; - break; - case RT3883_FLASH_CFG_WIDTH_32BIT: - if (id == 1) { - pdata->width = 4; - break; - } - /* fallthrough */ - default: - pr_warn("RT3883: flash bank%d: invalid width detected\n", id); - return; - } - - pdev->id = rt3883_flash_instance; - - platform_device_register(pdev); - rt3883_flash_instance++; -} - -static atomic_t rt3883_usb_pwr_ref = ATOMIC_INIT(0); - -static int rt3883_usb_power_on(struct platform_device *pdev) -{ - - if (atomic_inc_return(&rt3883_usb_pwr_ref) == 1) { - u32 t; - - t = rt3883_sysc_rr(RT3883_SYSC_REG_USB_PS); - - /* enable clock for port0's and port1's phys */ - t = rt3883_sysc_rr(RT3883_SYSC_REG_CLKCFG1); - t |= RT3883_CLKCFG1_UPHY0_CLK_EN | RT3883_CLKCFG1_UPHY1_CLK_EN; - rt3883_sysc_wr(t, RT3883_SYSC_REG_CLKCFG1); - mdelay(500); - - /* pull USBHOST and USBDEV out from reset */ - t = rt3883_sysc_rr(RT3883_SYSC_REG_RSTCTRL); - t &= ~(RT3883_RSTCTRL_UHST | RT3883_RSTCTRL_UDEV); - rt3883_sysc_wr(t, RT3883_SYSC_REG_RSTCTRL); - mdelay(500); - - /* enable host mode */ - t = rt3883_sysc_rr(RT3883_SYSC_REG_SYSCFG1); - t |= RT3883_SYSCFG1_USB0_HOST_MODE; - rt3883_sysc_wr(t, RT3883_SYSC_REG_SYSCFG1); - - t = rt3883_sysc_rr(RT3883_SYSC_REG_USB_PS); - } - - return 0; -} - -static void rt3883_usb_power_off(struct platform_device *pdev) -{ - if (atomic_dec_return(&rt3883_usb_pwr_ref) == 0) { - u32 t; - - /* put USBHOST and USBDEV into reset */ - t = rt3883_sysc_rr(RT3883_SYSC_REG_RSTCTRL); - t |= RT3883_RSTCTRL_UHST | RT3883_RSTCTRL_UDEV; - rt3883_sysc_wr(t, RT3883_SYSC_REG_RSTCTRL); - udelay(10000); - - /* disable clock for port0's and port1's phys*/ - t = rt3883_sysc_rr(RT3883_SYSC_REG_CLKCFG1); - t &= ~(RT3883_CLKCFG1_UPHY0_CLK_EN | - RT3883_CLKCFG1_UPHY1_CLK_EN); - rt3883_sysc_wr(t, RT3883_SYSC_REG_CLKCFG1); - udelay(10000); - } -} - -static struct usb_ehci_pdata rt3883_ehci_data = { - .power_on = rt3883_usb_power_on, - .power_off = rt3883_usb_power_off, -}; - -static struct resource rt3883_ehci_resources[] = { - { - .start = RT3883_EHCI_BASE, - .end = RT3883_EHCI_BASE + PAGE_SIZE - 1, - .flags = IORESOURCE_MEM, - }, { - .start = RT3883_INTC_IRQ_UHST, - .end = RT3883_INTC_IRQ_UHST, - .flags = IORESOURCE_IRQ, - }, -}; - -static u64 rt3883_ehci_dmamask = DMA_BIT_MASK(32); -static struct platform_device rt3883_ehci_device = { - .name = "ehci-platform", - .id = -1, - .resource = rt3883_ehci_resources, - .num_resources = ARRAY_SIZE(rt3883_ehci_resources), - .dev = { - .dma_mask = &rt3883_ehci_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = &rt3883_ehci_data, - }, -}; - -static struct resource rt3883_ohci_resources[] = { - { - .start = RT3883_OHCI_BASE, - .end = RT3883_OHCI_BASE + PAGE_SIZE - 1, - .flags = IORESOURCE_MEM, - }, { - .start = RT3883_INTC_IRQ_UHST, - .end = RT3883_INTC_IRQ_UHST, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct usb_ohci_pdata rt3883_ohci_data = { - .power_on = rt3883_usb_power_on, - .power_off = rt3883_usb_power_off, -}; - -static u64 rt3883_ohci_dmamask = DMA_BIT_MASK(32); -static struct platform_device rt3883_ohci_device = { - .name = "ohci-platform", - .id = -1, - .resource = rt3883_ohci_resources, - .num_resources = ARRAY_SIZE(rt3883_ohci_resources), - .dev = { - .dma_mask = &rt3883_ohci_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = &rt3883_ohci_data, - }, -}; - -void __init rt3883_register_usbhost(void) -{ - platform_device_register(&rt3883_ehci_device); - platform_device_register(&rt3883_ohci_device); -} - -static void rt3883_fe_reset(void) -{ - u32 t; - - t = rt3883_sysc_rr(RT3883_SYSC_REG_RSTCTRL); - t |= RT3883_RSTCTRL_FE; - rt3883_sysc_wr(t , RT3883_SYSC_REG_RSTCTRL); - - t &= ~RT3883_RSTCTRL_FE; - rt3883_sysc_wr(t, RT3883_SYSC_REG_RSTCTRL); -} - -static struct resource rt3883_eth_resources[] = { - { - .start = RT3883_FE_BASE, - .end = RT3883_FE_BASE + PAGE_SIZE - 1, - .flags = IORESOURCE_MEM, - }, { - .start = RT3883_CPU_IRQ_FE, - .end = RT3883_CPU_IRQ_FE, - .flags = IORESOURCE_IRQ, - }, -}; - -struct ramips_eth_platform_data rt3883_eth_data = { - .mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 }, - .reset_fe = rt3883_fe_reset, - .min_pkt_len = 64, -}; - -static struct platform_device rt3883_eth_device = { - .name = "ramips_eth", - .resource = rt3883_eth_resources, - .num_resources = ARRAY_SIZE(rt3883_eth_resources), - .dev = { - .platform_data = &rt3883_eth_data, - } -}; - -void __init rt3883_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)); - - rt3883_eth_data.sys_freq = clk_get_rate(clk); - - platform_device_register(&rt3883_eth_device); -} - -static struct resource rt3883_wlan_resources[] = { - { - .start = RT3883_WLAN_BASE, - .end = RT3883_WLAN_BASE + 0x3FFFF, - .flags = IORESOURCE_MEM, - }, { - .start = RT3883_CPU_IRQ_WLAN, - .end = RT3883_CPU_IRQ_WLAN, - .flags = IORESOURCE_IRQ, - }, -}; - -struct rt2x00_platform_data rt3883_wlan_data; -static struct platform_device rt3883_wlan_device = { - .name = "rt2800_wmac", - .resource = rt3883_wlan_resources, - .num_resources = ARRAY_SIZE(rt3883_wlan_resources), - .dev = { - .platform_data = &rt3883_wlan_data, - } -}; - -void __init rt3883_register_wlan(void) -{ - rt3883_wlan_data.eeprom_file_name = "soc_wmac.eeprom", - platform_device_register(&rt3883_wlan_device); -} - -static struct resource rt3883_wdt_resources[] = { - { - .start = RT3883_TIMER_BASE, - .end = RT3883_TIMER_BASE + RT3883_TIMER_SIZE - 1, - .flags = IORESOURCE_MEM, - }, -}; - -static struct platform_device rt3883_wdt_device = { - .name = "ramips-wdt", - .id = -1, - .resource = rt3883_wdt_resources, - .num_resources = ARRAY_SIZE(rt3883_wdt_resources), -}; - -void __init rt3883_register_wdt(bool enable_reset) -{ - if (enable_reset) { - u32 t; - - /* enable WDT reset output on GPIO 2 */ - t = rt3883_sysc_rr(RT3883_SYSC_REG_SYSCFG1); - t |= RT3883_SYSCFG1_GPIO2_AS_WDT_OUT; - rt3883_sysc_wr(t, RT3883_SYSC_REG_SYSCFG1); - } - - platform_device_register(&rt3883_wdt_device); -} - -static struct resource rt3883_nand_resources[] = { - { - .flags = IORESOURCE_MEM, - .start = RT3883_NANDC_BASE, - .end = RT3883_NANDC_BASE + RT3883_NANDC_SIZE - 1, - }, -}; - -struct ramips_nand_platform_data rt3883_nand_data; -static struct platform_device rt3883_nand_device = { - .name = RAMIPS_NAND_DRIVER_NAME, - .id = -1, - .resource = rt3883_nand_resources, - .num_resources = ARRAY_SIZE(rt3883_nand_resources), - .dev = { - .platform_data = &rt3883_nand_data, - }, -}; - -void __init rt3883_register_nand(void) -{ - platform_device_register(&rt3883_nand_device); -} - -static struct resource rt3883_spi_resources[] = { - { - .flags = IORESOURCE_MEM, - .start = RT3883_SPI_BASE, - .end = RT3883_SPI_BASE + RT3883_SPI_SIZE - 1, - }, -}; - -static struct platform_device rt3883_spi_device = { - .name = "ramips-spi", - .id = 0, - .resource = rt3883_spi_resources, - .num_resources = ARRAY_SIZE(rt3883_spi_resources), -}; - -void __init rt3883_register_spi(struct spi_board_info *info, int n) -{ - spi_register_board_info(info, n); - platform_device_register(&rt3883_spi_device); -} - |