From ea202c632a52c4a83f1bd82d8d06bc8e04f2689a Mon Sep 17 00:00:00 2001
From: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Date: Sat, 25 Aug 2007 11:01:50 +0200
Subject: [MIPS] JAZZ fixes

- restructured irq handling
- switched vdma to use memory allocated via get_free_pages
- setup platform devices for serial, jazz_esp and jazzsonic
- fixed cmos rtc access

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/jazz/setup.c | 115 +++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 112 insertions(+), 3 deletions(-)

(limited to 'arch/mips/jazz/setup.c')

diff --git a/arch/mips/jazz/setup.c b/arch/mips/jazz/setup.c
index 798279e0669..5c6271ab927 100644
--- a/arch/mips/jazz/setup.c
+++ b/arch/mips/jazz/setup.c
@@ -7,6 +7,7 @@
  *
  * Copyright (C) 1996, 1997, 1998, 2001 by Ralf Baechle
  * Copyright (C) 2001 MIPS Technologies, Inc.
+ * Copyright (C) 2007 by Thomas Bogendoerfer
  */
 #include <linux/eisa.h>
 #include <linux/hdreg.h>
@@ -20,6 +21,8 @@
 #include <linux/ide.h>
 #include <linux/pm.h>
 #include <linux/screen_info.h>
+#include <linux/platform_device.h>
+#include <linux/serial_8250.h>
 
 #include <asm/bootinfo.h>
 #include <asm/irq.h>
@@ -30,6 +33,7 @@
 #include <asm/pgtable.h>
 #include <asm/time.h>
 #include <asm/traps.h>
+#include <asm/mc146818-time.h>
 
 extern asmlinkage void jazz_handle_int(void);
 
@@ -72,10 +76,8 @@ void __init plat_mem_setup(void)
 
 	/* 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);
 
@@ -94,6 +96,7 @@ void __init plat_mem_setup(void)
 
 	_machine_restart = jazz_machine_restart;
 
+#ifdef CONFIG_VT
 	screen_info = (struct screen_info) {
 		0, 0,		/* orig-x, orig-y */
 		0,		/* unused */
@@ -105,6 +108,112 @@ void __init plat_mem_setup(void)
 		0,		/* orig_video_isVGA */
 		16		/* orig_video_points */
 	};
+#endif
 
-	vdma_init();
+	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 struct platform_device jazz_esp_pdev = {
+	.name           = "jazz_esp",
+	.num_resources  = ARRAY_SIZE(jazz_esp_rsrc),
+	.resource       = jazz_esp_rsrc
+};
+
+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 struct platform_device jazz_sonic_pdev = {
+	.name           = "jazzsonic",
+	.num_resources  = ARRAY_SIZE(jazz_sonic_rsrc),
+	.resource       = jazz_sonic_rsrc
+};
+
+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 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);
+	return 0;
+}
+
+device_initcall(jazz_setup_devinit);
-- 
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