1ccb7cc74SKuninori Morimoto /* 2ccb7cc74SKuninori Morimoto * r8a7778 processor support 3ccb7cc74SKuninori Morimoto * 4ccb7cc74SKuninori Morimoto * Copyright (C) 2013 Renesas Solutions Corp. 5ccb7cc74SKuninori Morimoto * Copyright (C) 2013 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> 652421914SSergei Shtylyov * Copyright (C) 2013 Cogent Embedded, Inc. 7ccb7cc74SKuninori Morimoto * 8ccb7cc74SKuninori Morimoto * This program is free software; you can redistribute it and/or modify 9ccb7cc74SKuninori Morimoto * it under the terms of the GNU General Public License as published by 10ccb7cc74SKuninori Morimoto * the Free Software Foundation; version 2 of the License. 11ccb7cc74SKuninori Morimoto * 12ccb7cc74SKuninori Morimoto * This program is distributed in the hope that it will be useful, 13ccb7cc74SKuninori Morimoto * but WITHOUT ANY WARRANTY; without even the implied warranty of 14ccb7cc74SKuninori Morimoto * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15ccb7cc74SKuninori Morimoto * GNU General Public License for more details. 16ccb7cc74SKuninori Morimoto * 17ccb7cc74SKuninori Morimoto * You should have received a copy of the GNU General Public License 18ccb7cc74SKuninori Morimoto * along with this program; if not, write to the Free Software 19ccb7cc74SKuninori Morimoto * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 20ccb7cc74SKuninori Morimoto */ 21ccb7cc74SKuninori Morimoto 22ccb7cc74SKuninori Morimoto #include <linux/kernel.h> 23ccb7cc74SKuninori Morimoto #include <linux/io.h> 24ccb7cc74SKuninori Morimoto #include <linux/irqchip/arm-gic.h> 25ccb7cc74SKuninori Morimoto #include <linux/of.h> 26ccb7cc74SKuninori Morimoto #include <linux/of_platform.h> 2739ca2283SKuninori Morimoto #include <linux/platform_data/gpio-rcar.h> 283a42fa20SKuninori Morimoto #include <linux/platform_data/irq-renesas-intc-irqpin.h> 29ccb7cc74SKuninori Morimoto #include <linux/platform_device.h> 30ccb7cc74SKuninori Morimoto #include <linux/irqchip.h> 31db331fc8SKuninori Morimoto #include <linux/serial_sci.h> 32ccb7cc74SKuninori Morimoto #include <linux/sh_timer.h> 3302474a41SSergei Shtylyov #include <linux/pm_runtime.h> 3402474a41SSergei Shtylyov #include <linux/usb/phy.h> 3502474a41SSergei Shtylyov #include <linux/usb/hcd.h> 3602474a41SSergei Shtylyov #include <linux/usb/ehci_pdriver.h> 3702474a41SSergei Shtylyov #include <linux/usb/ohci_pdriver.h> 3802474a41SSergei Shtylyov #include <linux/dma-mapping.h> 39ccb7cc74SKuninori Morimoto #include <mach/irqs.h> 40ccb7cc74SKuninori Morimoto #include <mach/r8a7778.h> 41ccb7cc74SKuninori Morimoto #include <mach/common.h> 42ccb7cc74SKuninori Morimoto #include <asm/mach/arch.h> 43ccb7cc74SKuninori Morimoto #include <asm/hardware/cache-l2x0.h> 44ccb7cc74SKuninori Morimoto 45db331fc8SKuninori Morimoto /* SCIF */ 46db331fc8SKuninori Morimoto #define SCIF_INFO(baseaddr, irq) \ 47db331fc8SKuninori Morimoto { \ 48db331fc8SKuninori Morimoto .mapbase = baseaddr, \ 49db331fc8SKuninori Morimoto .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, \ 50db331fc8SKuninori Morimoto .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, \ 51db331fc8SKuninori Morimoto .scbrr_algo_id = SCBRR_ALGO_2, \ 52db331fc8SKuninori Morimoto .type = PORT_SCIF, \ 53db331fc8SKuninori Morimoto .irqs = SCIx_IRQ_MUXED(irq), \ 54db331fc8SKuninori Morimoto } 55db331fc8SKuninori Morimoto 56c9031fbbSKuninori Morimoto static struct plat_sci_port scif_platform_data[] __initdata = { 57db331fc8SKuninori Morimoto SCIF_INFO(0xffe40000, gic_iid(0x66)), 58db331fc8SKuninori Morimoto SCIF_INFO(0xffe41000, gic_iid(0x67)), 59db331fc8SKuninori Morimoto SCIF_INFO(0xffe42000, gic_iid(0x68)), 60db331fc8SKuninori Morimoto SCIF_INFO(0xffe43000, gic_iid(0x69)), 61db331fc8SKuninori Morimoto SCIF_INFO(0xffe44000, gic_iid(0x6a)), 62db331fc8SKuninori Morimoto SCIF_INFO(0xffe45000, gic_iid(0x6b)), 63db331fc8SKuninori Morimoto }; 64db331fc8SKuninori Morimoto 65ccb7cc74SKuninori Morimoto /* TMU */ 66c9031fbbSKuninori Morimoto static struct resource sh_tmu0_resources[] __initdata = { 67ccb7cc74SKuninori Morimoto DEFINE_RES_MEM(0xffd80008, 12), 68ccb7cc74SKuninori Morimoto DEFINE_RES_IRQ(gic_iid(0x40)), 69ccb7cc74SKuninori Morimoto }; 70ccb7cc74SKuninori Morimoto 71c9031fbbSKuninori Morimoto static struct sh_timer_config sh_tmu0_platform_data __initdata = { 72ccb7cc74SKuninori Morimoto .name = "TMU00", 73ccb7cc74SKuninori Morimoto .channel_offset = 0x4, 74ccb7cc74SKuninori Morimoto .timer_bit = 0, 75ccb7cc74SKuninori Morimoto .clockevent_rating = 200, 76ccb7cc74SKuninori Morimoto }; 77ccb7cc74SKuninori Morimoto 78c9031fbbSKuninori Morimoto static struct resource sh_tmu1_resources[] __initdata = { 79ccb7cc74SKuninori Morimoto DEFINE_RES_MEM(0xffd80014, 12), 80ccb7cc74SKuninori Morimoto DEFINE_RES_IRQ(gic_iid(0x41)), 81ccb7cc74SKuninori Morimoto }; 82ccb7cc74SKuninori Morimoto 83c9031fbbSKuninori Morimoto static struct sh_timer_config sh_tmu1_platform_data __initdata = { 84ccb7cc74SKuninori Morimoto .name = "TMU01", 85ccb7cc74SKuninori Morimoto .channel_offset = 0x10, 86ccb7cc74SKuninori Morimoto .timer_bit = 1, 87ccb7cc74SKuninori Morimoto .clocksource_rating = 200, 88ccb7cc74SKuninori Morimoto }; 89ccb7cc74SKuninori Morimoto 9081484487SKuninori Morimoto #define r8a7778_register_tmu(idx) \ 9181484487SKuninori Morimoto platform_device_register_resndata( \ 9281484487SKuninori Morimoto &platform_bus, "sh_tmu", idx, \ 9381484487SKuninori Morimoto sh_tmu##idx##_resources, \ 9481484487SKuninori Morimoto ARRAY_SIZE(sh_tmu##idx##_resources), \ 9581484487SKuninori Morimoto &sh_tmu##idx##_platform_data, \ 9681484487SKuninori Morimoto sizeof(sh_tmu##idx##_platform_data)) 97ccb7cc74SKuninori Morimoto 9802474a41SSergei Shtylyov /* USB */ 9902474a41SSergei Shtylyov static struct usb_phy *phy; 10002474a41SSergei Shtylyov 10102474a41SSergei Shtylyov static int usb_power_on(struct platform_device *pdev) 10202474a41SSergei Shtylyov { 10302474a41SSergei Shtylyov if (IS_ERR(phy)) 10402474a41SSergei Shtylyov return PTR_ERR(phy); 10502474a41SSergei Shtylyov 10602474a41SSergei Shtylyov pm_runtime_enable(&pdev->dev); 10702474a41SSergei Shtylyov pm_runtime_get_sync(&pdev->dev); 10802474a41SSergei Shtylyov 10902474a41SSergei Shtylyov usb_phy_init(phy); 11002474a41SSergei Shtylyov 11102474a41SSergei Shtylyov return 0; 11202474a41SSergei Shtylyov } 11302474a41SSergei Shtylyov 11402474a41SSergei Shtylyov static void usb_power_off(struct platform_device *pdev) 11502474a41SSergei Shtylyov { 11602474a41SSergei Shtylyov if (IS_ERR(phy)) 11702474a41SSergei Shtylyov return; 11802474a41SSergei Shtylyov 11902474a41SSergei Shtylyov usb_phy_shutdown(phy); 12002474a41SSergei Shtylyov 12102474a41SSergei Shtylyov pm_runtime_put_sync(&pdev->dev); 12202474a41SSergei Shtylyov pm_runtime_disable(&pdev->dev); 12302474a41SSergei Shtylyov } 12402474a41SSergei Shtylyov 12502474a41SSergei Shtylyov static int ehci_init_internal_buffer(struct usb_hcd *hcd) 12602474a41SSergei Shtylyov { 12702474a41SSergei Shtylyov /* 12802474a41SSergei Shtylyov * Below are recommended values from the datasheet; 12902474a41SSergei Shtylyov * see [USB :: Setting of EHCI Internal Buffer]. 13002474a41SSergei Shtylyov */ 13102474a41SSergei Shtylyov /* EHCI IP internal buffer setting */ 13202474a41SSergei Shtylyov iowrite32(0x00ff0040, hcd->regs + 0x0094); 13302474a41SSergei Shtylyov /* EHCI IP internal buffer enable */ 13402474a41SSergei Shtylyov iowrite32(0x00000001, hcd->regs + 0x009C); 13502474a41SSergei Shtylyov 13602474a41SSergei Shtylyov return 0; 13702474a41SSergei Shtylyov } 13802474a41SSergei Shtylyov 13902474a41SSergei Shtylyov static struct usb_ehci_pdata ehci_pdata __initdata = { 14002474a41SSergei Shtylyov .power_on = usb_power_on, 14102474a41SSergei Shtylyov .power_off = usb_power_off, 14202474a41SSergei Shtylyov .power_suspend = usb_power_off, 14302474a41SSergei Shtylyov .pre_setup = ehci_init_internal_buffer, 14402474a41SSergei Shtylyov }; 14502474a41SSergei Shtylyov 14602474a41SSergei Shtylyov static struct resource ehci_resources[] __initdata = { 14702474a41SSergei Shtylyov DEFINE_RES_MEM(0xffe70000, 0x400), 14802474a41SSergei Shtylyov DEFINE_RES_IRQ(gic_iid(0x4c)), 14902474a41SSergei Shtylyov }; 15002474a41SSergei Shtylyov 15102474a41SSergei Shtylyov static struct usb_ohci_pdata ohci_pdata __initdata = { 15202474a41SSergei Shtylyov .power_on = usb_power_on, 15302474a41SSergei Shtylyov .power_off = usb_power_off, 15402474a41SSergei Shtylyov .power_suspend = usb_power_off, 15502474a41SSergei Shtylyov }; 15602474a41SSergei Shtylyov 15702474a41SSergei Shtylyov static struct resource ohci_resources[] __initdata = { 15802474a41SSergei Shtylyov DEFINE_RES_MEM(0xffe70400, 0x400), 15902474a41SSergei Shtylyov DEFINE_RES_IRQ(gic_iid(0x4c)), 16002474a41SSergei Shtylyov }; 16102474a41SSergei Shtylyov 16202474a41SSergei Shtylyov #define USB_PLATFORM_INFO(hci) \ 16302474a41SSergei Shtylyov static struct platform_device_info hci##_info __initdata = { \ 16402474a41SSergei Shtylyov .parent = &platform_bus, \ 16502474a41SSergei Shtylyov .name = #hci "-platform", \ 16602474a41SSergei Shtylyov .id = -1, \ 16702474a41SSergei Shtylyov .res = hci##_resources, \ 16802474a41SSergei Shtylyov .num_res = ARRAY_SIZE(hci##_resources), \ 16902474a41SSergei Shtylyov .data = &hci##_pdata, \ 17002474a41SSergei Shtylyov .size_data = sizeof(hci##_pdata), \ 17102474a41SSergei Shtylyov .dma_mask = DMA_BIT_MASK(32), \ 17202474a41SSergei Shtylyov } 17302474a41SSergei Shtylyov 17402474a41SSergei Shtylyov USB_PLATFORM_INFO(ehci); 17502474a41SSergei Shtylyov USB_PLATFORM_INFO(ohci); 17602474a41SSergei Shtylyov 17739ca2283SKuninori Morimoto /* PFC/GPIO */ 178c9031fbbSKuninori Morimoto static struct resource pfc_resources[] __initdata = { 179369b00bbSKuninori Morimoto DEFINE_RES_MEM(0xfffc0000, 0x118), 180369b00bbSKuninori Morimoto }; 181369b00bbSKuninori Morimoto 18239ca2283SKuninori Morimoto #define R8A7778_GPIO(idx) \ 183c9031fbbSKuninori Morimoto static struct resource r8a7778_gpio##idx##_resources[] __initdata = { \ 18439ca2283SKuninori Morimoto DEFINE_RES_MEM(0xffc40000 + 0x1000 * (idx), 0x30), \ 18539ca2283SKuninori Morimoto DEFINE_RES_IRQ(gic_iid(0x87)), \ 18639ca2283SKuninori Morimoto }; \ 18739ca2283SKuninori Morimoto \ 188c9031fbbSKuninori Morimoto static struct gpio_rcar_config r8a7778_gpio##idx##_platform_data __initdata = { \ 18939ca2283SKuninori Morimoto .gpio_base = 32 * (idx), \ 19039ca2283SKuninori Morimoto .irq_base = GPIO_IRQ_BASE(idx), \ 19139ca2283SKuninori Morimoto .number_of_pins = 32, \ 19239ca2283SKuninori Morimoto .pctl_name = "pfc-r8a7778", \ 19339ca2283SKuninori Morimoto } 19439ca2283SKuninori Morimoto 19539ca2283SKuninori Morimoto R8A7778_GPIO(0); 19639ca2283SKuninori Morimoto R8A7778_GPIO(1); 19739ca2283SKuninori Morimoto R8A7778_GPIO(2); 19839ca2283SKuninori Morimoto R8A7778_GPIO(3); 19939ca2283SKuninori Morimoto R8A7778_GPIO(4); 20039ca2283SKuninori Morimoto 20139ca2283SKuninori Morimoto #define r8a7778_register_gpio(idx) \ 20239ca2283SKuninori Morimoto platform_device_register_resndata( \ 20339ca2283SKuninori Morimoto &platform_bus, "gpio_rcar", idx, \ 20439ca2283SKuninori Morimoto r8a7778_gpio##idx##_resources, \ 20539ca2283SKuninori Morimoto ARRAY_SIZE(r8a7778_gpio##idx##_resources), \ 20639ca2283SKuninori Morimoto &r8a7778_gpio##idx##_platform_data, \ 20739ca2283SKuninori Morimoto sizeof(r8a7778_gpio##idx##_platform_data)) 20839ca2283SKuninori Morimoto 209369b00bbSKuninori Morimoto void __init r8a7778_pinmux_init(void) 210369b00bbSKuninori Morimoto { 211369b00bbSKuninori Morimoto platform_device_register_simple( 212369b00bbSKuninori Morimoto "pfc-r8a7778", -1, 213369b00bbSKuninori Morimoto pfc_resources, 214369b00bbSKuninori Morimoto ARRAY_SIZE(pfc_resources)); 21539ca2283SKuninori Morimoto 21639ca2283SKuninori Morimoto r8a7778_register_gpio(0); 21739ca2283SKuninori Morimoto r8a7778_register_gpio(1); 21839ca2283SKuninori Morimoto r8a7778_register_gpio(2); 21939ca2283SKuninori Morimoto r8a7778_register_gpio(3); 22039ca2283SKuninori Morimoto r8a7778_register_gpio(4); 221ae8b378fSSimon Horman }; 222ae8b378fSSimon Horman 22346b9a092SKuninori Morimoto /* I2C */ 22446b9a092SKuninori Morimoto static struct resource i2c_resources[] __initdata = { 22546b9a092SKuninori Morimoto /* I2C0 */ 22646b9a092SKuninori Morimoto DEFINE_RES_MEM(0xffc70000, 0x1000), 22746b9a092SKuninori Morimoto DEFINE_RES_IRQ(gic_iid(0x63)), 22846b9a092SKuninori Morimoto /* I2C1 */ 22946b9a092SKuninori Morimoto DEFINE_RES_MEM(0xffc71000, 0x1000), 23046b9a092SKuninori Morimoto DEFINE_RES_IRQ(gic_iid(0x6e)), 23146b9a092SKuninori Morimoto /* I2C2 */ 23246b9a092SKuninori Morimoto DEFINE_RES_MEM(0xffc72000, 0x1000), 23346b9a092SKuninori Morimoto DEFINE_RES_IRQ(gic_iid(0x6c)), 23446b9a092SKuninori Morimoto /* I2C3 */ 23546b9a092SKuninori Morimoto DEFINE_RES_MEM(0xffc73000, 0x1000), 23646b9a092SKuninori Morimoto DEFINE_RES_IRQ(gic_iid(0x6d)), 23746b9a092SKuninori Morimoto }; 23846b9a092SKuninori Morimoto 2391fd4eecdSKuninori Morimoto static void __init r8a7778_register_i2c(int id) 24046b9a092SKuninori Morimoto { 24146b9a092SKuninori Morimoto BUG_ON(id < 0 || id > 3); 24246b9a092SKuninori Morimoto 24346b9a092SKuninori Morimoto platform_device_register_simple( 24446b9a092SKuninori Morimoto "i2c-rcar", id, 24546b9a092SKuninori Morimoto i2c_resources + (2 * id), 2); 24646b9a092SKuninori Morimoto } 24746b9a092SKuninori Morimoto 2488b89797fSKuninori Morimoto /* HSPI */ 2498b89797fSKuninori Morimoto static struct resource hspi_resources[] __initdata = { 2508b89797fSKuninori Morimoto /* HSPI0 */ 2518b89797fSKuninori Morimoto DEFINE_RES_MEM(0xfffc7000, 0x18), 2528b89797fSKuninori Morimoto DEFINE_RES_IRQ(gic_iid(0x5f)), 2538b89797fSKuninori Morimoto /* HSPI1 */ 2548b89797fSKuninori Morimoto DEFINE_RES_MEM(0xfffc8000, 0x18), 2558b89797fSKuninori Morimoto DEFINE_RES_IRQ(gic_iid(0x74)), 2568b89797fSKuninori Morimoto /* HSPI2 */ 2578b89797fSKuninori Morimoto DEFINE_RES_MEM(0xfffc6000, 0x18), 2588b89797fSKuninori Morimoto DEFINE_RES_IRQ(gic_iid(0x75)), 2598b89797fSKuninori Morimoto }; 2608b89797fSKuninori Morimoto 261117378e5SKuninori Morimoto static void __init r8a7778_register_hspi(int id) 2628b89797fSKuninori Morimoto { 2638b89797fSKuninori Morimoto BUG_ON(id < 0 || id > 2); 2648b89797fSKuninori Morimoto 2658b89797fSKuninori Morimoto platform_device_register_simple( 2668b89797fSKuninori Morimoto "sh-hspi", id, 2678b89797fSKuninori Morimoto hspi_resources + (2 * id), 2); 2688b89797fSKuninori Morimoto } 2698b89797fSKuninori Morimoto 270cfa66a81SKuninori Morimoto void __init r8a7778_add_dt_devices(void) 271ccb7cc74SKuninori Morimoto { 272ccb7cc74SKuninori Morimoto int i; 273ccb7cc74SKuninori Morimoto 274ccb7cc74SKuninori Morimoto #ifdef CONFIG_CACHE_L2X0 275ccb7cc74SKuninori Morimoto void __iomem *base = ioremap_nocache(0xf0100000, 0x1000); 276ccb7cc74SKuninori Morimoto if (base) { 277ccb7cc74SKuninori Morimoto /* 278ccb7cc74SKuninori Morimoto * Early BRESP enable, Shared attribute override enable, 64K*16way 279ccb7cc74SKuninori Morimoto * don't call iounmap(base) 280ccb7cc74SKuninori Morimoto */ 281ccb7cc74SKuninori Morimoto l2x0_init(base, 0x40470000, 0x82000fff); 282ccb7cc74SKuninori Morimoto } 283ccb7cc74SKuninori Morimoto #endif 284ccb7cc74SKuninori Morimoto 285db331fc8SKuninori Morimoto for (i = 0; i < ARRAY_SIZE(scif_platform_data); i++) 286db331fc8SKuninori Morimoto platform_device_register_data(&platform_bus, "sh-sci", i, 287db331fc8SKuninori Morimoto &scif_platform_data[i], 288db331fc8SKuninori Morimoto sizeof(struct plat_sci_port)); 289db331fc8SKuninori Morimoto 29081484487SKuninori Morimoto r8a7778_register_tmu(0); 29181484487SKuninori Morimoto r8a7778_register_tmu(1); 292ccb7cc74SKuninori Morimoto } 293ccb7cc74SKuninori Morimoto 294cfa66a81SKuninori Morimoto void __init r8a7778_add_standard_devices(void) 295cfa66a81SKuninori Morimoto { 296cfa66a81SKuninori Morimoto r8a7778_add_dt_devices(); 2971fd4eecdSKuninori Morimoto r8a7778_register_i2c(0); 2981fd4eecdSKuninori Morimoto r8a7778_register_i2c(1); 2991fd4eecdSKuninori Morimoto r8a7778_register_i2c(2); 3001fd4eecdSKuninori Morimoto r8a7778_register_i2c(3); 3013c7b5362SKuninori Morimoto r8a7778_register_hspi(0); 3023c7b5362SKuninori Morimoto r8a7778_register_hspi(1); 3033c7b5362SKuninori Morimoto r8a7778_register_hspi(2); 304cfa66a81SKuninori Morimoto } 305cfa66a81SKuninori Morimoto 30602474a41SSergei Shtylyov void __init r8a7778_init_late(void) 30702474a41SSergei Shtylyov { 30802474a41SSergei Shtylyov phy = usb_get_phy(USB_PHY_TYPE_USB2); 30902474a41SSergei Shtylyov 31002474a41SSergei Shtylyov platform_device_register_full(&ehci_info); 31102474a41SSergei Shtylyov platform_device_register_full(&ohci_info); 31202474a41SSergei Shtylyov } 31302474a41SSergei Shtylyov 314c9031fbbSKuninori Morimoto static struct renesas_intc_irqpin_config irqpin_platform_data __initdata = { 3153a42fa20SKuninori Morimoto .irq_base = irq_pin(0), /* IRQ0 -> IRQ3 */ 3163a42fa20SKuninori Morimoto .sense_bitfield_width = 2, 3173a42fa20SKuninori Morimoto }; 3183a42fa20SKuninori Morimoto 319c9031fbbSKuninori Morimoto static struct resource irqpin_resources[] __initdata = { 3203a42fa20SKuninori Morimoto DEFINE_RES_MEM(0xfe78001c, 4), /* ICR1 */ 3213a42fa20SKuninori Morimoto DEFINE_RES_MEM(0xfe780010, 4), /* INTPRI */ 3223a42fa20SKuninori Morimoto DEFINE_RES_MEM(0xfe780024, 4), /* INTREQ */ 3233a42fa20SKuninori Morimoto DEFINE_RES_MEM(0xfe780044, 4), /* INTMSK0 */ 3243a42fa20SKuninori Morimoto DEFINE_RES_MEM(0xfe780064, 4), /* INTMSKCLR0 */ 3253a42fa20SKuninori Morimoto DEFINE_RES_IRQ(gic_iid(0x3b)), /* IRQ0 */ 3263a42fa20SKuninori Morimoto DEFINE_RES_IRQ(gic_iid(0x3c)), /* IRQ1 */ 3273a42fa20SKuninori Morimoto DEFINE_RES_IRQ(gic_iid(0x3d)), /* IRQ2 */ 3283a42fa20SKuninori Morimoto DEFINE_RES_IRQ(gic_iid(0x3e)), /* IRQ3 */ 3293a42fa20SKuninori Morimoto }; 3303a42fa20SKuninori Morimoto 3313a42fa20SKuninori Morimoto void __init r8a7778_init_irq_extpin(int irlm) 3323a42fa20SKuninori Morimoto { 3333a42fa20SKuninori Morimoto void __iomem *icr0 = ioremap_nocache(0xfe780000, PAGE_SIZE); 3343a42fa20SKuninori Morimoto unsigned long tmp; 3353a42fa20SKuninori Morimoto 3363a42fa20SKuninori Morimoto if (!icr0) { 3373a42fa20SKuninori Morimoto pr_warn("r8a7778: unable to setup external irq pin mode\n"); 3383a42fa20SKuninori Morimoto return; 3393a42fa20SKuninori Morimoto } 3403a42fa20SKuninori Morimoto 3413a42fa20SKuninori Morimoto tmp = ioread32(icr0); 3423a42fa20SKuninori Morimoto if (irlm) 3433a42fa20SKuninori Morimoto tmp |= 1 << 23; /* IRQ0 -> IRQ3 as individual pins */ 3443a42fa20SKuninori Morimoto else 3453a42fa20SKuninori Morimoto tmp &= ~(1 << 23); /* IRL mode - not supported */ 3463a42fa20SKuninori Morimoto tmp |= (1 << 21); /* LVLMODE = 1 */ 3473a42fa20SKuninori Morimoto iowrite32(tmp, icr0); 3483a42fa20SKuninori Morimoto iounmap(icr0); 3493a42fa20SKuninori Morimoto 3503a42fa20SKuninori Morimoto if (irlm) 3513a42fa20SKuninori Morimoto platform_device_register_resndata( 3523a42fa20SKuninori Morimoto &platform_bus, "renesas_intc_irqpin", -1, 3533a42fa20SKuninori Morimoto irqpin_resources, ARRAY_SIZE(irqpin_resources), 3543a42fa20SKuninori Morimoto &irqpin_platform_data, sizeof(irqpin_platform_data)); 3553a42fa20SKuninori Morimoto } 3563a42fa20SKuninori Morimoto 35754aa4c48SKuninori Morimoto void __init r8a7778_init_delay(void) 35854aa4c48SKuninori Morimoto { 35954aa4c48SKuninori Morimoto shmobile_setup_delay(800, 1, 3); /* Cortex-A9 @ 800MHz */ 36054aa4c48SKuninori Morimoto } 36154aa4c48SKuninori Morimoto 36254aa4c48SKuninori Morimoto #ifdef CONFIG_USE_OF 363ccb7cc74SKuninori Morimoto #define INT2SMSKCR0 0x82288 /* 0xfe782288 */ 364ccb7cc74SKuninori Morimoto #define INT2SMSKCR1 0x8228c /* 0xfe78228c */ 365ccb7cc74SKuninori Morimoto 366ccb7cc74SKuninori Morimoto #define INT2NTSR0 0x00018 /* 0xfe700018 */ 367ccb7cc74SKuninori Morimoto #define INT2NTSR1 0x0002c /* 0xfe70002c */ 36854aa4c48SKuninori Morimoto void __init r8a7778_init_irq_dt(void) 369ccb7cc74SKuninori Morimoto { 370ccb7cc74SKuninori Morimoto void __iomem *base = ioremap_nocache(0xfe700000, 0x00100000); 371ccb7cc74SKuninori Morimoto 372ccb7cc74SKuninori Morimoto BUG_ON(!base); 373ccb7cc74SKuninori Morimoto 37454aa4c48SKuninori Morimoto irqchip_init(); 37554aa4c48SKuninori Morimoto 376ccb7cc74SKuninori Morimoto /* route all interrupts to ARM */ 377ccb7cc74SKuninori Morimoto __raw_writel(0x73ffffff, base + INT2NTSR0); 378ccb7cc74SKuninori Morimoto __raw_writel(0xffffffff, base + INT2NTSR1); 379ccb7cc74SKuninori Morimoto 380ccb7cc74SKuninori Morimoto /* unmask all known interrupts in INTCS2 */ 381ccb7cc74SKuninori Morimoto __raw_writel(0x08330773, base + INT2SMSKCR0); 382ccb7cc74SKuninori Morimoto __raw_writel(0x00311110, base + INT2SMSKCR1); 383ccb7cc74SKuninori Morimoto 384ccb7cc74SKuninori Morimoto iounmap(base); 385ccb7cc74SKuninori Morimoto } 386ccb7cc74SKuninori Morimoto 387ccb7cc74SKuninori Morimoto static const char *r8a7778_compat_dt[] __initdata = { 388ccb7cc74SKuninori Morimoto "renesas,r8a7778", 389ccb7cc74SKuninori Morimoto NULL, 390ccb7cc74SKuninori Morimoto }; 391ccb7cc74SKuninori Morimoto 392ccb7cc74SKuninori Morimoto DT_MACHINE_START(R8A7778_DT, "Generic R8A7778 (Flattened Device Tree)") 393ccb7cc74SKuninori Morimoto .init_early = r8a7778_init_delay, 394ccb7cc74SKuninori Morimoto .init_irq = r8a7778_init_irq_dt, 395ccb7cc74SKuninori Morimoto .dt_compat = r8a7778_compat_dt, 39602474a41SSergei Shtylyov .init_late = r8a7778_init_late, 397ccb7cc74SKuninori Morimoto MACHINE_END 398ccb7cc74SKuninori Morimoto 399ccb7cc74SKuninori Morimoto #endif /* CONFIG_USE_OF */ 400