-/*
- * 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)
-{
- u32 reset_bits = RT305X_RESET_FE;
-
- if (soc_is_rt5350())
- reset_bits |= RT305X_RESET_ESW;
- rt305x_sysc_wr(reset_bits, 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 = "soc_wmac.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 = {
- .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();
- }
-}
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