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-rw-r--r--arch/mips/jazz/setup.c212
1 files changed, 212 insertions, 0 deletions
diff --git a/arch/mips/jazz/setup.c b/arch/mips/jazz/setup.c
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+++ b/arch/mips/jazz/setup.c
@@ -0,0 +1,212 @@
+/*
+ * Setup pointers to hardware-dependent routines.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1996, 1997, 1998, 2001, 07, 08 by Ralf Baechle
+ * Copyright (C) 2001 MIPS Technologies, Inc.
+ * Copyright (C) 2007 by Thomas Bogendoerfer
+ */
+#include <linux/eisa.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/console.h>
+#include <linux/screen_info.h>
+#include <linux/platform_device.h>
+#include <linux/serial_8250.h>
+#include <linux/dma-mapping.h>
+#include <linux/pgtable.h>
+
+#include <asm/jazz.h>
+#include <asm/jazzdma.h>
+#include <asm/reboot.h>
+#include <asm/tlbmisc.h>
+
+extern asmlinkage void jazz_handle_int(void);
+
+extern void jazz_machine_restart(char *command);
+
+static struct resource jazz_io_resources[] = {
+ {
+ .start = 0x00,
+ .end = 0x1f,
+ .name = "dma1",
+ .flags = IORESOURCE_IO | IORESOURCE_BUSY
+ }, {
+ .start = 0x40,
+ .end = 0x5f,
+ .name = "timer",
+ .flags = IORESOURCE_IO | IORESOURCE_BUSY
+ }, {
+ .start = 0x80,
+ .end = 0x8f,
+ .name = "dma page reg",
+ .flags = IORESOURCE_IO | IORESOURCE_BUSY
+ }, {
+ .start = 0xc0,
+ .end = 0xdf,
+ .name = "dma2",
+ .flags = IORESOURCE_IO | IORESOURCE_BUSY
+ }
+};
+
+void __init plat_mem_setup(void)
+{
+ int i;
+
+ /* Map 0xe0000000 -> 0x0:800005C0, 0xe0010000 -> 0x1:30000580 */
+ add_wired_entry(0x02000017, 0x03c00017, 0xe0000000, PM_64K);
+ /* Map 0xe2000000 -> 0x0:900005C0, 0xe3010000 -> 0x0:910005C0 */
+ add_wired_entry(0x02400017, 0x02440017, 0xe2000000, PM_16M);
+ /* Map 0xe4000000 -> 0x0:600005C0, 0xe4100000 -> 400005C0 */
+ add_wired_entry(0x01800017, 0x01000017, 0xe4000000, PM_4M);
+
+ set_io_port_base(JAZZ_PORT_BASE);
+#ifdef CONFIG_EISA
+ EISA_bus = 1;
+#endif
+
+ /* request I/O space for devices used on all i[345]86 PCs */
+ for (i = 0; i < ARRAY_SIZE(jazz_io_resources); i++)
+ request_resource(&ioport_resource, jazz_io_resources + i);
+
+ /* The RTC is outside the port address space */
+
+ _machine_restart = jazz_machine_restart;
+
+#ifdef CONFIG_VT
+ screen_info = (struct screen_info) {
+ .orig_video_cols = 160,
+ .orig_video_lines = 64,
+ .orig_video_points = 16,
+ };
+#endif
+
+ add_preferred_console("ttyS", 0, "9600");
+}
+
+#ifdef CONFIG_OLIVETTI_M700
+#define UART_CLK 1843200
+#else
+/* Some Jazz machines seem to have an 8MHz crystal clock but I don't know
+ exactly which ones ... XXX */
+#define UART_CLK (8000000 / 16) /* ( 3072000 / 16) */
+#endif
+
+#define MEMPORT(_base, _irq) \
+ { \
+ .mapbase = (_base), \
+ .membase = (void *)(_base), \
+ .irq = (_irq), \
+ .uartclk = UART_CLK, \
+ .iotype = UPIO_MEM, \
+ .flags = UPF_BOOT_AUTOCONF, \
+ }
+
+static struct plat_serial8250_port jazz_serial_data[] = {
+ MEMPORT(JAZZ_SERIAL1_BASE, JAZZ_SERIAL1_IRQ),
+ MEMPORT(JAZZ_SERIAL2_BASE, JAZZ_SERIAL2_IRQ),
+ { },
+};
+
+static struct platform_device jazz_serial8250_device = {
+ .name = "serial8250",
+ .id = PLAT8250_DEV_PLATFORM,
+ .dev = {
+ .platform_data = jazz_serial_data,
+ },
+};
+
+static struct resource jazz_esp_rsrc[] = {
+ {
+ .start = JAZZ_SCSI_BASE,
+ .end = JAZZ_SCSI_BASE + 31,
+ .flags = IORESOURCE_MEM
+ },
+ {
+ .start = JAZZ_SCSI_DMA,
+ .end = JAZZ_SCSI_DMA,
+ .flags = IORESOURCE_MEM
+ },
+ {
+ .start = JAZZ_SCSI_IRQ,
+ .end = JAZZ_SCSI_IRQ,
+ .flags = IORESOURCE_IRQ
+ }
+};
+
+static u64 jazz_esp_dma_mask = DMA_BIT_MASK(32);
+
+static struct platform_device jazz_esp_pdev = {
+ .name = "jazz_esp",
+ .num_resources = ARRAY_SIZE(jazz_esp_rsrc),
+ .resource = jazz_esp_rsrc,
+ .dev = {
+ .dma_mask = &jazz_esp_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ }
+};
+
+static struct resource jazz_sonic_rsrc[] = {
+ {
+ .start = JAZZ_ETHERNET_BASE,
+ .end = JAZZ_ETHERNET_BASE + 0xff,
+ .flags = IORESOURCE_MEM
+ },
+ {
+ .start = JAZZ_ETHERNET_IRQ,
+ .end = JAZZ_ETHERNET_IRQ,
+ .flags = IORESOURCE_IRQ
+ }
+};
+
+static u64 jazz_sonic_dma_mask = DMA_BIT_MASK(32);
+
+static struct platform_device jazz_sonic_pdev = {
+ .name = "jazzsonic",
+ .num_resources = ARRAY_SIZE(jazz_sonic_rsrc),
+ .resource = jazz_sonic_rsrc,
+ .dev = {
+ .dma_mask = &jazz_sonic_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ }
+};
+
+static struct resource jazz_cmos_rsrc[] = {
+ {
+ .start = 0x70,
+ .end = 0x71,
+ .flags = IORESOURCE_IO
+ },
+ {
+ .start = 8,
+ .end = 8,
+ .flags = IORESOURCE_IRQ
+ }
+};
+
+static struct platform_device jazz_cmos_pdev = {
+ .name = "rtc_cmos",
+ .num_resources = ARRAY_SIZE(jazz_cmos_rsrc),
+ .resource = jazz_cmos_rsrc
+};
+
+static struct platform_device pcspeaker_pdev = {
+ .name = "pcspkr",
+ .id = -1,
+};
+
+static int __init jazz_setup_devinit(void)
+{
+ platform_device_register(&jazz_serial8250_device);
+ platform_device_register(&jazz_esp_pdev);
+ platform_device_register(&jazz_sonic_pdev);
+ platform_device_register(&jazz_cmos_pdev);
+ platform_device_register(&pcspeaker_pdev);
+
+ return 0;
+}
+
+device_initcall(jazz_setup_devinit);