From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001
From: Yuval Adam <_@yuv.al>
Date: Wed, 30 Aug 2017 08:25:59 +0000
Subject: Initial file dump from open source release

---
 arch/arm/mach-sa1100/jornada720.c | 356 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 356 insertions(+)
 create mode 100644 arch/arm/mach-sa1100/jornada720.c

(limited to 'arch/arm/mach-sa1100/jornada720.c')

diff --git a/arch/arm/mach-sa1100/jornada720.c b/arch/arm/mach-sa1100/jornada720.c
new file mode 100644
index 00000000..c0b1f5ba
--- /dev/null
+++ b/arch/arm/mach-sa1100/jornada720.c
@@ -0,0 +1,356 @@
+/*
+ * linux/arch/arm/mach-sa1100/jornada720.c
+ *
+ * HP Jornada720 init code
+ *
+ * Copyright (C) 2007 Kristoffer Ericson <Kristoffer.Ericson@gmail.com>
+ * Copyright (C) 2006 Filip Zyzniewski <filip.zyzniewski@tefnet.pl>
+ *  Copyright (C) 2005 Michael Gernoth <michael@gernoth.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/tty.h>
+#include <linux/delay.h>
+#include <linux/platform_data/sa11x0-serial.h>
+#include <linux/platform_device.h>
+#include <linux/ioport.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <video/s1d13xxxfb.h>
+
+#include <asm/hardware/sa1111.h>
+#include <asm/page.h>
+#include <asm/mach-types.h>
+#include <asm/setup.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+#include <asm/mach/map.h>
+
+#include <mach/hardware.h>
+#include <mach/irqs.h>
+
+#include "generic.h"
+
+/*
+ * HP Documentation referred in this file:
+ * http://www.jlime.com/downloads/development/docs/jornada7xx/jornada720.txt
+ */
+
+/* line 110 of HP's doc */
+#define TUCR_VAL	0x20000400
+
+/* memory space (line 52 of HP's doc) */
+#define SA1111REGSTART	0x40000000
+#define SA1111REGLEN	0x00002000
+#define EPSONREGSTART	0x48000000
+#define EPSONREGLEN	0x00100000
+#define EPSONFBSTART	0x48200000
+/* 512kB framebuffer */
+#define EPSONFBLEN	512*1024
+
+static struct s1d13xxxfb_regval s1d13xxxfb_initregs[] = {
+	/* line 344 of HP's doc */
+	{0x0001,0x00},	// Miscellaneous Register
+	{0x01FC,0x00},	// Display Mode Register
+	{0x0004,0x00},	// General IO Pins Configuration Register 0
+	{0x0005,0x00},	// General IO Pins Configuration Register 1
+	{0x0008,0x00},	// General IO Pins Control Register 0
+	{0x0009,0x00},	// General IO Pins Control Register 1
+	{0x0010,0x01},	// Memory Clock Configuration Register
+	{0x0014,0x11},	// LCD Pixel Clock Configuration Register
+	{0x0018,0x01},	// CRT/TV Pixel Clock Configuration Register
+	{0x001C,0x01},	// MediaPlug Clock Configuration Register
+	{0x001E,0x01},	// CPU To Memory Wait State Select Register
+	{0x0020,0x00},	// Memory Configuration Register
+	{0x0021,0x45},	// DRAM Refresh Rate Register
+	{0x002A,0x01},	// DRAM Timings Control Register 0
+	{0x002B,0x03},	// DRAM Timings Control Register 1
+	{0x0030,0x1c},	// Panel Type Register
+	{0x0031,0x00},	// MOD Rate Register
+	{0x0032,0x4F},	// LCD Horizontal Display Width Register
+	{0x0034,0x07},	// LCD Horizontal Non-Display Period Register
+	{0x0035,0x01},	// TFT FPLINE Start Position Register
+	{0x0036,0x0B},	// TFT FPLINE Pulse Width Register
+	{0x0038,0xEF},	// LCD Vertical Display Height Register 0
+	{0x0039,0x00},	// LCD Vertical Display Height Register 1
+	{0x003A,0x13},	// LCD Vertical Non-Display Period Register
+	{0x003B,0x0B},	// TFT FPFRAME Start Position Register
+	{0x003C,0x01},	// TFT FPFRAME Pulse Width Register
+	{0x0040,0x05},	// LCD Display Mode Register (2:4bpp,3:8bpp,5:16bpp)
+	{0x0041,0x00},	// LCD Miscellaneous Register
+	{0x0042,0x00},	// LCD Display Start Address Register 0
+	{0x0043,0x00},	// LCD Display Start Address Register 1
+	{0x0044,0x00},	// LCD Display Start Address Register 2
+	{0x0046,0x80},	// LCD Memory Address Offset Register 0
+	{0x0047,0x02},	// LCD Memory Address Offset Register 1
+	{0x0048,0x00},	// LCD Pixel Panning Register
+	{0x004A,0x00},	// LCD Display FIFO High Threshold Control Register
+	{0x004B,0x00},	// LCD Display FIFO Low Threshold Control Register
+	{0x0050,0x4F},	// CRT/TV Horizontal Display Width Register
+	{0x0052,0x13},	// CRT/TV Horizontal Non-Display Period Register
+	{0x0053,0x01},	// CRT/TV HRTC Start Position Register
+	{0x0054,0x0B},	// CRT/TV HRTC Pulse Width Register
+	{0x0056,0xDF},	// CRT/TV Vertical Display Height Register 0
+	{0x0057,0x01},	// CRT/TV Vertical Display Height Register 1
+	{0x0058,0x2B},	// CRT/TV Vertical Non-Display Period Register
+	{0x0059,0x09},	// CRT/TV VRTC Start Position Register
+	{0x005A,0x01},	// CRT/TV VRTC Pulse Width Register
+	{0x005B,0x10},	// TV Output Control Register
+	{0x0060,0x03},	// CRT/TV Display Mode Register (2:4bpp,3:8bpp,5:16bpp)
+	{0x0062,0x00},	// CRT/TV Display Start Address Register 0
+	{0x0063,0x00},	// CRT/TV Display Start Address Register 1
+	{0x0064,0x00},	// CRT/TV Display Start Address Register 2
+	{0x0066,0x40},	// CRT/TV Memory Address Offset Register 0
+	{0x0067,0x01},	// CRT/TV Memory Address Offset Register 1
+	{0x0068,0x00},	// CRT/TV Pixel Panning Register
+	{0x006A,0x00},	// CRT/TV Display FIFO High Threshold Control Register
+	{0x006B,0x00},	// CRT/TV Display FIFO Low Threshold Control Register
+	{0x0070,0x00},	// LCD Ink/Cursor Control Register
+	{0x0071,0x01},	// LCD Ink/Cursor Start Address Register
+	{0x0072,0x00},	// LCD Cursor X Position Register 0
+	{0x0073,0x00},	// LCD Cursor X Position Register 1
+	{0x0074,0x00},	// LCD Cursor Y Position Register 0
+	{0x0075,0x00},	// LCD Cursor Y Position Register 1
+	{0x0076,0x00},	// LCD Ink/Cursor Blue Color 0 Register
+	{0x0077,0x00},	// LCD Ink/Cursor Green Color 0 Register
+	{0x0078,0x00},	// LCD Ink/Cursor Red Color 0 Register
+	{0x007A,0x1F},	// LCD Ink/Cursor Blue Color 1 Register
+	{0x007B,0x3F},	// LCD Ink/Cursor Green Color 1 Register
+	{0x007C,0x1F},	// LCD Ink/Cursor Red Color 1 Register
+	{0x007E,0x00},	// LCD Ink/Cursor FIFO Threshold Register
+	{0x0080,0x00},	// CRT/TV Ink/Cursor Control Register
+	{0x0081,0x01},	// CRT/TV Ink/Cursor Start Address Register
+	{0x0082,0x00},	// CRT/TV Cursor X Position Register 0
+	{0x0083,0x00},	// CRT/TV Cursor X Position Register 1
+	{0x0084,0x00},	// CRT/TV Cursor Y Position Register 0
+	{0x0085,0x00},	// CRT/TV Cursor Y Position Register 1
+	{0x0086,0x00},	// CRT/TV Ink/Cursor Blue Color 0 Register
+	{0x0087,0x00},	// CRT/TV Ink/Cursor Green Color 0 Register
+	{0x0088,0x00},	// CRT/TV Ink/Cursor Red Color 0 Register
+	{0x008A,0x1F},	// CRT/TV Ink/Cursor Blue Color 1 Register
+	{0x008B,0x3F},	// CRT/TV Ink/Cursor Green Color 1 Register
+	{0x008C,0x1F},	// CRT/TV Ink/Cursor Red Color 1 Register
+	{0x008E,0x00},	// CRT/TV Ink/Cursor FIFO Threshold Register
+	{0x0100,0x00},	// BitBlt Control Register 0
+	{0x0101,0x00},	// BitBlt Control Register 1
+	{0x0102,0x00},	// BitBlt ROP Code/Color Expansion Register
+	{0x0103,0x00},	// BitBlt Operation Register
+	{0x0104,0x00},	// BitBlt Source Start Address Register 0
+	{0x0105,0x00},	// BitBlt Source Start Address Register 1
+	{0x0106,0x00},	// BitBlt Source Start Address Register 2
+	{0x0108,0x00},	// BitBlt Destination Start Address Register 0
+	{0x0109,0x00},	// BitBlt Destination Start Address Register 1
+	{0x010A,0x00},	// BitBlt Destination Start Address Register 2
+	{0x010C,0x00},	// BitBlt Memory Address Offset Register 0
+	{0x010D,0x00},	// BitBlt Memory Address Offset Register 1
+	{0x0110,0x00},	// BitBlt Width Register 0
+	{0x0111,0x00},	// BitBlt Width Register 1
+	{0x0112,0x00},	// BitBlt Height Register 0
+	{0x0113,0x00},	// BitBlt Height Register 1
+	{0x0114,0x00},	// BitBlt Background Color Register 0
+	{0x0115,0x00},	// BitBlt Background Color Register 1
+	{0x0118,0x00},	// BitBlt Foreground Color Register 0
+	{0x0119,0x00},	// BitBlt Foreground Color Register 1
+	{0x01E0,0x00},	// Look-Up Table Mode Register
+	{0x01E2,0x00},	// Look-Up Table Address Register
+	/* not sure, wouldn't like to mess with the driver */
+	{0x01E4,0x00},	// Look-Up Table Data Register
+	/* jornada doc says 0x00, but I trust the driver */
+	{0x01F0,0x10},	// Power Save Configuration Register
+	{0x01F1,0x00},	// Power Save Status Register
+	{0x01F4,0x00},	// CPU-to-Memory Access Watchdog Timer Register
+	{0x01FC,0x01},	// Display Mode Register(0x01:LCD, 0x02:CRT, 0x03:LCD&CRT)
+};
+
+static struct s1d13xxxfb_pdata s1d13xxxfb_data = {
+	.initregs		= s1d13xxxfb_initregs,
+	.initregssize		= ARRAY_SIZE(s1d13xxxfb_initregs),
+	.platform_init_video	= NULL
+};
+
+static struct resource s1d13xxxfb_resources[] = {
+	[0] = DEFINE_RES_MEM(EPSONFBSTART, EPSONFBLEN),
+	[1] = DEFINE_RES_MEM(EPSONREGSTART, EPSONREGLEN),
+};
+
+static struct platform_device s1d13xxxfb_device = {
+	.name		= S1D_DEVICENAME,
+	.id		= 0,
+	.dev		= {
+		.platform_data	= &s1d13xxxfb_data,
+	},
+	.num_resources	= ARRAY_SIZE(s1d13xxxfb_resources),
+	.resource	= s1d13xxxfb_resources,
+};
+
+static struct resource sa1111_resources[] = {
+	[0] = DEFINE_RES_MEM(SA1111REGSTART, SA1111REGLEN),
+	[1] = DEFINE_RES_IRQ(IRQ_GPIO1),
+};
+
+static struct sa1111_platform_data sa1111_info = {
+	.disable_devs	= SA1111_DEVID_PS2_MSE,
+};
+
+static u64 sa1111_dmamask = 0xffffffffUL;
+
+static struct platform_device sa1111_device = {
+	.name		= "sa1111",
+	.id		= 0,
+	.dev		= {
+		.dma_mask = &sa1111_dmamask,
+		.coherent_dma_mask = 0xffffffff,
+		.platform_data = &sa1111_info,
+	},
+	.num_resources	= ARRAY_SIZE(sa1111_resources),
+	.resource	= sa1111_resources,
+};
+
+static struct platform_device jornada_ssp_device = {
+	.name           = "jornada_ssp",
+	.id             = -1,
+};
+
+static struct platform_device jornada_kbd_device = {
+	.name		= "jornada720_kbd",
+	.id		= -1,
+};
+
+static struct platform_device jornada_ts_device = {
+	.name		= "jornada_ts",
+	.id		= -1,
+};
+
+static struct platform_device *devices[] __initdata = {
+	&sa1111_device,
+	&jornada_ssp_device,
+	&s1d13xxxfb_device,
+	&jornada_kbd_device,
+	&jornada_ts_device,
+};
+
+static int __init jornada720_init(void)
+{
+	int ret = -ENODEV;
+
+	if (machine_is_jornada720()) {
+		/* we want to use gpio20 as input to drive the clock of our uart 3 */
+		GPDR |= GPIO_GPIO20;	/* Clear gpio20 pin as input */
+		TUCR = TUCR_VAL;
+		GPSR = GPIO_GPIO20;	/* start gpio20 pin */
+		udelay(1);
+		GPCR = GPIO_GPIO20;	/* stop gpio20 */
+		udelay(1);
+		GPSR = GPIO_GPIO20;	/* restart gpio20 */
+		udelay(20);		/* give it some time to restart */
+
+		ret = platform_add_devices(devices, ARRAY_SIZE(devices));
+	}
+
+	return ret;
+}
+
+arch_initcall(jornada720_init);
+
+static struct map_desc jornada720_io_desc[] __initdata = {
+	{	/* Epson registers */
+		.virtual	= 0xf0000000,
+		.pfn		= __phys_to_pfn(EPSONREGSTART),
+		.length		= EPSONREGLEN,
+		.type		= MT_DEVICE
+	}, {	/* Epson frame buffer */
+		.virtual	= 0xf1000000,
+		.pfn		= __phys_to_pfn(EPSONFBSTART),
+		.length		= EPSONFBLEN,
+		.type		= MT_DEVICE
+	}
+};
+
+static void __init jornada720_map_io(void)
+{
+	sa1100_map_io();
+	iotable_init(jornada720_io_desc, ARRAY_SIZE(jornada720_io_desc));
+
+	sa1100_register_uart(0, 3);
+	sa1100_register_uart(1, 1);
+}
+
+static struct mtd_partition jornada720_partitions[] = {
+	{
+		.name		= "JORNADA720 boot firmware",
+		.size		= 0x00040000,
+		.offset		= 0,
+		.mask_flags	= MTD_WRITEABLE, /* force read-only */
+	}, {
+		.name		= "JORNADA720 kernel",
+		.size		= 0x000c0000,
+		.offset		= 0x00040000,
+	}, {
+		.name		= "JORNADA720 params",
+		.size		= 0x00040000,
+		.offset		= 0x00100000,
+	}, {
+		.name		= "JORNADA720 initrd",
+		.size		= 0x00100000,
+		.offset		= 0x00140000,
+	}, {
+		.name		= "JORNADA720 root cramfs",
+		.size		= 0x00300000,
+		.offset		= 0x00240000,
+	}, {
+		.name		= "JORNADA720 usr cramfs",
+		.size		= 0x00800000,
+		.offset		= 0x00540000,
+	}, {
+		.name		= "JORNADA720 usr local",
+		.size		= 0, /* will expand to the end of the flash */
+		.offset		= 0x00d00000,
+	}
+};
+
+static void jornada720_set_vpp(int vpp)
+{
+	if (vpp)
+		/* enabling flash write (line 470 of HP's doc) */
+		PPSR |= PPC_LDD7;
+	else
+		/* disabling flash write (line 470 of HP's doc) */
+		PPSR &= ~PPC_LDD7;
+	PPDR |= PPC_LDD7;
+}
+
+static struct flash_platform_data jornada720_flash_data = {
+	.map_name	= "cfi_probe",
+	.set_vpp	= jornada720_set_vpp,
+	.parts		= jornada720_partitions,
+	.nr_parts	= ARRAY_SIZE(jornada720_partitions),
+};
+
+static struct resource jornada720_flash_resource =
+	DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M);
+
+static void __init jornada720_mach_init(void)
+{
+	sa11x0_register_mtd(&jornada720_flash_data, &jornada720_flash_resource, 1);
+}
+
+MACHINE_START(JORNADA720, "HP Jornada 720")
+	/* Maintainer: Kristoffer Ericson <Kristoffer.Ericson@gmail.com> */
+	.atag_offset	= 0x100,
+	.map_io		= jornada720_map_io,
+	.nr_irqs	= SA1100_NR_IRQS,
+	.init_irq	= sa1100_init_irq,
+	.init_time	= sa1100_timer_init,
+	.init_machine	= jornada720_mach_init,
+	.init_late	= sa11x0_init_late,
+#ifdef CONFIG_SA1111
+	.dma_zone_size	= SZ_1M,
+#endif
+	.restart	= sa11x0_restart,
+MACHINE_END
-- 
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