// SPDX-License-Identifier: GPL-2.0-only
/*
* 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>
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/tty.h>
#include <linux/delay.h>
#include <linux/gpio/machine.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 gpiod_lookup_table jornada_pcmcia_gpiod_table = {
.dev_id =
"1800" ,
.table = {
GPIO_LOOKUP(
"sa1111" , 0,
"s0-power" , GPIO_ACTIVE_HIGH),
GPIO_LOOKUP(
"sa1111" , 1,
"s1-power" , GPIO_ACTIVE_HIGH),
GPIO_LOOKUP(
"sa1111" , 2,
"s0-3v" , GPIO_ACTIVE_HIGH),
GPIO_LOOKUP(
"sa1111" , 3,
"s1-3v" , GPIO_ACTIVE_HIGH),
{ },
},
};
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 resource jornada_kbd_resources[] = {
DEFINE_RES_IRQ(IRQ_GPIO0),
};
static struct platform_device jornada_kbd_device = {
.name =
"jornada720_kbd" ,
.id = -1,
.num_resources = ARRAY_SIZE(jornada_kbd_resources),
.resource = jornada_kbd_resources,
};
static struct gpiod_lookup_table jornada_ts_gpiod_table = {
.dev_id =
"jornada_ts" ,
.table = {
GPIO_LOOKUP(
"gpio" , 9,
"penup" , GPIO_ACTIVE_HIGH),
},
};
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 */
gpiod_add_lookup_table(&jornada_ts_gpiod_table);
gpiod_add_lookup_table(&jornada_pcmcia_gpiod_table);
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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