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212 lines
4.8 KiB
212 lines
4.8 KiB
/* |
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* Setup pointers to hardware-dependent routines. |
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* |
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* This file is subject to the terms and conditions of the GNU General Public |
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* License. See the file "COPYING" in the main directory of this archive |
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* for more details. |
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* |
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* Copyright (C) 1996, 1997, 1998, 2001, 07, 08 by Ralf Baechle |
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* Copyright (C) 2001 MIPS Technologies, Inc. |
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* Copyright (C) 2007 by Thomas Bogendoerfer |
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*/ |
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#include <linux/eisa.h> |
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#include <linux/init.h> |
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#include <linux/ioport.h> |
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#include <linux/console.h> |
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#include <linux/screen_info.h> |
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#include <linux/platform_device.h> |
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#include <linux/serial_8250.h> |
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#include <linux/dma-mapping.h> |
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#include <linux/pgtable.h> |
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#include <asm/jazz.h> |
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#include <asm/jazzdma.h> |
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#include <asm/reboot.h> |
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#include <asm/tlbmisc.h> |
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extern asmlinkage void jazz_handle_int(void); |
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extern void jazz_machine_restart(char *command); |
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static struct resource jazz_io_resources[] = { |
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{ |
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.start = 0x00, |
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.end = 0x1f, |
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.name = "dma1", |
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.flags = IORESOURCE_IO | IORESOURCE_BUSY |
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}, { |
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.start = 0x40, |
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.end = 0x5f, |
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.name = "timer", |
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.flags = IORESOURCE_IO | IORESOURCE_BUSY |
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}, { |
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.start = 0x80, |
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.end = 0x8f, |
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.name = "dma page reg", |
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.flags = IORESOURCE_IO | IORESOURCE_BUSY |
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}, { |
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.start = 0xc0, |
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.end = 0xdf, |
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.name = "dma2", |
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.flags = IORESOURCE_IO | IORESOURCE_BUSY |
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} |
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}; |
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void __init plat_mem_setup(void) |
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{ |
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int i; |
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/* Map 0xe0000000 -> 0x0:800005C0, 0xe0010000 -> 0x1:30000580 */ |
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add_wired_entry(0x02000017, 0x03c00017, 0xe0000000, PM_64K); |
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/* Map 0xe2000000 -> 0x0:900005C0, 0xe3010000 -> 0x0:910005C0 */ |
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add_wired_entry(0x02400017, 0x02440017, 0xe2000000, PM_16M); |
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/* Map 0xe4000000 -> 0x0:600005C0, 0xe4100000 -> 400005C0 */ |
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add_wired_entry(0x01800017, 0x01000017, 0xe4000000, PM_4M); |
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set_io_port_base(JAZZ_PORT_BASE); |
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#ifdef CONFIG_EISA |
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EISA_bus = 1; |
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#endif |
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/* request I/O space for devices used on all i[345]86 PCs */ |
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for (i = 0; i < ARRAY_SIZE(jazz_io_resources); i++) |
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request_resource(&ioport_resource, jazz_io_resources + i); |
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/* The RTC is outside the port address space */ |
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_machine_restart = jazz_machine_restart; |
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#ifdef CONFIG_VT |
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screen_info = (struct screen_info) { |
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.orig_video_cols = 160, |
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.orig_video_lines = 64, |
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.orig_video_points = 16, |
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}; |
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#endif |
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add_preferred_console("ttyS", 0, "9600"); |
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} |
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#ifdef CONFIG_OLIVETTI_M700 |
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#define UART_CLK 1843200 |
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#else |
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/* Some Jazz machines seem to have an 8MHz crystal clock but I don't know |
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exactly which ones ... XXX */ |
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#define UART_CLK (8000000 / 16) /* ( 3072000 / 16) */ |
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#endif |
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#define MEMPORT(_base, _irq) \ |
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{ \ |
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.mapbase = (_base), \ |
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.membase = (void *)(_base), \ |
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.irq = (_irq), \ |
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.uartclk = UART_CLK, \ |
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.iotype = UPIO_MEM, \ |
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.flags = UPF_BOOT_AUTOCONF, \ |
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} |
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static struct plat_serial8250_port jazz_serial_data[] = { |
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MEMPORT(JAZZ_SERIAL1_BASE, JAZZ_SERIAL1_IRQ), |
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MEMPORT(JAZZ_SERIAL2_BASE, JAZZ_SERIAL2_IRQ), |
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{ }, |
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}; |
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static struct platform_device jazz_serial8250_device = { |
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.name = "serial8250", |
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.id = PLAT8250_DEV_PLATFORM, |
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.dev = { |
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.platform_data = jazz_serial_data, |
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}, |
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}; |
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static struct resource jazz_esp_rsrc[] = { |
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{ |
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.start = JAZZ_SCSI_BASE, |
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.end = JAZZ_SCSI_BASE + 31, |
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.flags = IORESOURCE_MEM |
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}, |
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{ |
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.start = JAZZ_SCSI_DMA, |
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.end = JAZZ_SCSI_DMA, |
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.flags = IORESOURCE_MEM |
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}, |
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{ |
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.start = JAZZ_SCSI_IRQ, |
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.end = JAZZ_SCSI_IRQ, |
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.flags = IORESOURCE_IRQ |
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} |
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}; |
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static u64 jazz_esp_dma_mask = DMA_BIT_MASK(32); |
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static struct platform_device jazz_esp_pdev = { |
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.name = "jazz_esp", |
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.num_resources = ARRAY_SIZE(jazz_esp_rsrc), |
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.resource = jazz_esp_rsrc, |
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.dev = { |
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.dma_mask = &jazz_esp_dma_mask, |
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.coherent_dma_mask = DMA_BIT_MASK(32), |
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} |
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}; |
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static struct resource jazz_sonic_rsrc[] = { |
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{ |
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.start = JAZZ_ETHERNET_BASE, |
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.end = JAZZ_ETHERNET_BASE + 0xff, |
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.flags = IORESOURCE_MEM |
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}, |
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{ |
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.start = JAZZ_ETHERNET_IRQ, |
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.end = JAZZ_ETHERNET_IRQ, |
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.flags = IORESOURCE_IRQ |
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} |
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}; |
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static u64 jazz_sonic_dma_mask = DMA_BIT_MASK(32); |
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static struct platform_device jazz_sonic_pdev = { |
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.name = "jazzsonic", |
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.num_resources = ARRAY_SIZE(jazz_sonic_rsrc), |
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.resource = jazz_sonic_rsrc, |
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.dev = { |
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.dma_mask = &jazz_sonic_dma_mask, |
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.coherent_dma_mask = DMA_BIT_MASK(32), |
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} |
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}; |
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static struct resource jazz_cmos_rsrc[] = { |
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{ |
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.start = 0x70, |
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.end = 0x71, |
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.flags = IORESOURCE_IO |
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}, |
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{ |
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.start = 8, |
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.end = 8, |
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.flags = IORESOURCE_IRQ |
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} |
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}; |
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static struct platform_device jazz_cmos_pdev = { |
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.name = "rtc_cmos", |
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.num_resources = ARRAY_SIZE(jazz_cmos_rsrc), |
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.resource = jazz_cmos_rsrc |
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}; |
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static struct platform_device pcspeaker_pdev = { |
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.name = "pcspkr", |
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.id = -1, |
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}; |
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static int __init jazz_setup_devinit(void) |
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{ |
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platform_device_register(&jazz_serial8250_device); |
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platform_device_register(&jazz_esp_pdev); |
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platform_device_register(&jazz_sonic_pdev); |
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platform_device_register(&jazz_cmos_pdev); |
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platform_device_register(&pcspeaker_pdev); |
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return 0; |
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} |
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device_initcall(jazz_setup_devinit);
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