|  | /* | 
|  | * Virtex hard ppc405 core common device listing | 
|  | * | 
|  | * Copyright 2005-2007 Secret Lab Technologies Ltd. | 
|  | * Copyright 2005 Freescale Semiconductor Inc. | 
|  | * Copyright 2002-2004 MontaVista Software, Inc. | 
|  | * | 
|  | * This program is free software; you can redistribute  it and/or modify it | 
|  | * under  the terms of  the GNU General  Public License as published by the | 
|  | * Free Software Foundation;  either version 2 of the  License, or (at your | 
|  | * option) any later version. | 
|  | */ | 
|  |  | 
|  | #include <linux/init.h> | 
|  | #include <linux/module.h> | 
|  | #include <linux/device.h> | 
|  | #include <linux/serial_8250.h> | 
|  | #include <syslib/virtex_devices.h> | 
|  | #include <platforms/4xx/xparameters/xparameters.h> | 
|  | #include <asm/io.h> | 
|  |  | 
|  | /* | 
|  | * UARTLITE: shortcut macro for single instance | 
|  | */ | 
|  | #define XPAR_UARTLITE(num) { \ | 
|  | .name = "uartlite", \ | 
|  | .id = num, \ | 
|  | .num_resources = 2, \ | 
|  | .resource = (struct resource[]) { \ | 
|  | { \ | 
|  | .start = XPAR_UARTLITE_##num##_BASEADDR + 3, \ | 
|  | .end = XPAR_UARTLITE_##num##_HIGHADDR, \ | 
|  | .flags = IORESOURCE_MEM, \ | 
|  | }, \ | 
|  | { \ | 
|  | .start = XPAR_INTC_0_UARTLITE_##num##_VEC_ID, \ | 
|  | .flags = IORESOURCE_IRQ, \ | 
|  | }, \ | 
|  | }, \ | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Full UART: shortcut macro for single instance + platform data structure | 
|  | */ | 
|  | #define XPAR_UART(num) { \ | 
|  | .mapbase = XPAR_UARTNS550_##num##_BASEADDR + 3, \ | 
|  | .irq = XPAR_INTC_0_UARTNS550_##num##_VEC_ID, \ | 
|  | .iotype = UPIO_MEM, \ | 
|  | .uartclk = XPAR_UARTNS550_##num##_CLOCK_FREQ_HZ, \ | 
|  | .flags = UPF_BOOT_AUTOCONF, \ | 
|  | .regshift = 2, \ | 
|  | } | 
|  |  | 
|  | /* | 
|  | * SystemACE: shortcut macro for single instance | 
|  | */ | 
|  | #define XPAR_SYSACE(num) { \ | 
|  | .name		= "xsysace", \ | 
|  | .id		= XPAR_SYSACE_##num##_DEVICE_ID, \ | 
|  | .num_resources	= 2, \ | 
|  | .resource = (struct resource[]) { \ | 
|  | { \ | 
|  | .start	= XPAR_SYSACE_##num##_BASEADDR, \ | 
|  | .end	= XPAR_SYSACE_##num##_HIGHADDR, \ | 
|  | .flags	= IORESOURCE_MEM, \ | 
|  | }, \ | 
|  | { \ | 
|  | .start	= XPAR_INTC_0_SYSACE_##num##_VEC_ID, \ | 
|  | .flags	= IORESOURCE_IRQ, \ | 
|  | }, \ | 
|  | }, \ | 
|  | } | 
|  |  | 
|  | /* | 
|  | * ML300/ML403 Video Device: shortcut macro for single instance | 
|  | */ | 
|  | #define XPAR_TFT(num) { \ | 
|  | .name = "xilinxfb", \ | 
|  | .id = num, \ | 
|  | .num_resources = 1, \ | 
|  | .resource = (struct resource[]) { \ | 
|  | { \ | 
|  | .start = XPAR_TFT_##num##_BASEADDR, \ | 
|  | .end = XPAR_TFT_##num##_BASEADDR+7, \ | 
|  | .flags = IORESOURCE_IO, \ | 
|  | }, \ | 
|  | }, \ | 
|  | } | 
|  |  | 
|  | #define XPAR_AC97_CONTROLLER_REFERENCE(num) { \ | 
|  | .name = "ml403_ac97cr", \ | 
|  | .id = num, \ | 
|  | .num_resources = 3, \ | 
|  | .resource = (struct resource[]) { \ | 
|  | { \ | 
|  | .start = XPAR_OPB_AC97_CONTROLLER_REF_##num##_BASEADDR, \ | 
|  | .end = XPAR_OPB_AC97_CONTROLLER_REF_##num##_HIGHADDR, \ | 
|  | .flags = IORESOURCE_MEM, \ | 
|  | }, \ | 
|  | { \ | 
|  | .start = XPAR_INTC_0_AC97_CONTROLLER_REF_##num##_PLAYBACK_VEC_ID, \ | 
|  | .end = XPAR_INTC_0_AC97_CONTROLLER_REF_##num##_PLAYBACK_VEC_ID, \ | 
|  | .flags = IORESOURCE_IRQ, \ | 
|  | }, \ | 
|  | { \ | 
|  | .start = XPAR_INTC_0_AC97_CONTROLLER_REF_##num##_RECORD_VEC_ID, \ | 
|  | .end = XPAR_INTC_0_AC97_CONTROLLER_REF_##num##_RECORD_VEC_ID, \ | 
|  | .flags = IORESOURCE_IRQ, \ | 
|  | }, \ | 
|  | }, \ | 
|  | } | 
|  |  | 
|  | /* UART 8250 driver platform data table */ | 
|  | struct plat_serial8250_port virtex_serial_platform_data[] = { | 
|  | #if defined(XPAR_UARTNS550_0_BASEADDR) | 
|  | XPAR_UART(0), | 
|  | #endif | 
|  | #if defined(XPAR_UARTNS550_1_BASEADDR) | 
|  | XPAR_UART(1), | 
|  | #endif | 
|  | #if defined(XPAR_UARTNS550_2_BASEADDR) | 
|  | XPAR_UART(2), | 
|  | #endif | 
|  | #if defined(XPAR_UARTNS550_3_BASEADDR) | 
|  | XPAR_UART(3), | 
|  | #endif | 
|  | #if defined(XPAR_UARTNS550_4_BASEADDR) | 
|  | XPAR_UART(4), | 
|  | #endif | 
|  | #if defined(XPAR_UARTNS550_5_BASEADDR) | 
|  | XPAR_UART(5), | 
|  | #endif | 
|  | #if defined(XPAR_UARTNS550_6_BASEADDR) | 
|  | XPAR_UART(6), | 
|  | #endif | 
|  | #if defined(XPAR_UARTNS550_7_BASEADDR) | 
|  | XPAR_UART(7), | 
|  | #endif | 
|  | { }, /* terminated by empty record */ | 
|  | }; | 
|  |  | 
|  |  | 
|  | struct platform_device virtex_platform_devices[] = { | 
|  | /* UARTLITE instances */ | 
|  | #if defined(XPAR_UARTLITE_0_BASEADDR) | 
|  | XPAR_UARTLITE(0), | 
|  | #endif | 
|  | #if defined(XPAR_UARTLITE_1_BASEADDR) | 
|  | XPAR_UARTLITE(1), | 
|  | #endif | 
|  | #if defined(XPAR_UARTLITE_2_BASEADDR) | 
|  | XPAR_UARTLITE(2), | 
|  | #endif | 
|  | #if defined(XPAR_UARTLITE_3_BASEADDR) | 
|  | XPAR_UARTLITE(3), | 
|  | #endif | 
|  | #if defined(XPAR_UARTLITE_4_BASEADDR) | 
|  | XPAR_UARTLITE(4), | 
|  | #endif | 
|  | #if defined(XPAR_UARTLITE_5_BASEADDR) | 
|  | XPAR_UARTLITE(5), | 
|  | #endif | 
|  | #if defined(XPAR_UARTLITE_6_BASEADDR) | 
|  | XPAR_UARTLITE(6), | 
|  | #endif | 
|  | #if defined(XPAR_UARTLITE_7_BASEADDR) | 
|  | XPAR_UARTLITE(7), | 
|  | #endif | 
|  |  | 
|  | /* Full UART instances */ | 
|  | #if defined(XPAR_UARTNS550_0_BASEADDR) | 
|  | { | 
|  | .name		= "serial8250", | 
|  | .id		= 0, | 
|  | .dev.platform_data = virtex_serial_platform_data, | 
|  | }, | 
|  | #endif | 
|  |  | 
|  | /* SystemACE instances */ | 
|  | #if defined(XPAR_SYSACE_0_BASEADDR) | 
|  | XPAR_SYSACE(0), | 
|  | #endif | 
|  | #if defined(XPAR_SYSACE_1_BASEADDR) | 
|  | XPAR_SYSACE(1), | 
|  | #endif | 
|  |  | 
|  | #if defined(XPAR_TFT_0_BASEADDR) | 
|  | XPAR_TFT(0), | 
|  | #endif | 
|  | #if defined(XPAR_TFT_1_BASEADDR) | 
|  | XPAR_TFT(1), | 
|  | #endif | 
|  | #if defined(XPAR_TFT_2_BASEADDR) | 
|  | XPAR_TFT(2), | 
|  | #endif | 
|  | #if defined(XPAR_TFT_3_BASEADDR) | 
|  | XPAR_TFT(3), | 
|  | #endif | 
|  |  | 
|  | /* AC97 Controller Reference instances */ | 
|  | #if defined(XPAR_OPB_AC97_CONTROLLER_REF_0_BASEADDR) | 
|  | XPAR_AC97_CONTROLLER_REFERENCE(0), | 
|  | #endif | 
|  | #if defined(XPAR_OPB_AC97_CONTROLLER_REF_1_BASEADDR) | 
|  | XPAR_AC97_CONTROLLER_REFERENCE(1), | 
|  | #endif | 
|  | }; | 
|  |  | 
|  | /* Early serial support functions */ | 
|  | static void __init | 
|  | virtex_early_serial_init(int num, struct plat_serial8250_port *pdata) | 
|  | { | 
|  | #if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB) | 
|  | struct uart_port serial_req; | 
|  |  | 
|  | memset(&serial_req, 0, sizeof(serial_req)); | 
|  | serial_req.mapbase	= pdata->mapbase; | 
|  | serial_req.membase	= pdata->membase; | 
|  | serial_req.irq		= pdata->irq; | 
|  | serial_req.uartclk	= pdata->uartclk; | 
|  | serial_req.regshift	= pdata->regshift; | 
|  | serial_req.iotype	= pdata->iotype; | 
|  | serial_req.flags	= pdata->flags; | 
|  | gen550_init(num, &serial_req); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | void __init | 
|  | virtex_early_serial_map(void) | 
|  | { | 
|  | #ifdef CONFIG_SERIAL_8250 | 
|  | struct plat_serial8250_port *pdata; | 
|  | int i = 0; | 
|  |  | 
|  | pdata = virtex_serial_platform_data; | 
|  | while(pdata && pdata->flags) { | 
|  | pdata->membase = ioremap(pdata->mapbase, 0x100); | 
|  | virtex_early_serial_init(i, pdata); | 
|  | pdata++; | 
|  | i++; | 
|  | } | 
|  | #endif /* CONFIG_SERIAL_8250 */ | 
|  | } | 
|  |  | 
|  | /* | 
|  | * default fixup routine; do nothing and return success. | 
|  | * | 
|  | * Reimplement this routine in your custom board support file to | 
|  | * override the default behaviour | 
|  | */ | 
|  | int __attribute__ ((weak)) | 
|  | virtex_device_fixup(struct platform_device *dev) | 
|  | { | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int __init virtex_init(void) | 
|  | { | 
|  | struct platform_device *index = virtex_platform_devices; | 
|  | unsigned int ret = 0; | 
|  | int i; | 
|  |  | 
|  | for (i = 0; i < ARRAY_SIZE(virtex_platform_devices); i++, index++) { | 
|  | if (virtex_device_fixup(index) != 0) | 
|  | continue; | 
|  |  | 
|  | if (platform_device_register(index)) { | 
|  | ret = 1; | 
|  | printk(KERN_ERR "cannot register dev %s:%d\n", | 
|  | index->name, index->id); | 
|  | } | 
|  | } | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | subsys_initcall(virtex_init); |