// 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 0 x20000400
/* memory space (line 52 of HP's doc) */
#define SA1111REGSTART 0 x40000000
#define SA1111REGLEN 0 x00002000
#define EPSONREGSTART 0 x48000000
#define EPSONREGLEN 0 x00100000
#define EPSONFBSTART 0 x48200000
/* 512kB framebuffer */
#define EPSONFBLEN 512 *1024
static struct s1d13xxxfb_regval s1d13xxxfb_initregs[] = {
/* line 344 of HP's doc */
{0 x0001,0 x00}, // Miscellaneous Register
{0 x01FC,0 x00}, // Display Mode Register
{0 x0004,0 x00}, // General IO Pins Configuration Register 0
{0 x0005,0 x00}, // General IO Pins Configuration Register 1
{0 x0008,0 x00}, // General IO Pins Control Register 0
{0 x0009,0 x00}, // General IO Pins Control Register 1
{0 x0010,0 x01}, // Memory Clock Configuration Register
{0 x0014,0 x11}, // LCD Pixel Clock Configuration Register
{0 x0018,0 x01}, // CRT/TV Pixel Clock Configuration Register
{0 x001C,0 x01}, // MediaPlug Clock Configuration Register
{0 x001E,0 x01}, // CPU To Memory Wait State Select Register
{0 x0020,0 x00}, // Memory Configuration Register
{0 x0021,0 x45}, // DRAM Refresh Rate Register
{0 x002A,0 x01}, // DRAM Timings Control Register 0
{0 x002B,0 x03}, // DRAM Timings Control Register 1
{0 x0030,0 x1c}, // Panel Type Register
{0 x0031,0 x00}, // MOD Rate Register
{0 x0032,0 x4F}, // LCD Horizontal Display Width Register
{0 x0034,0 x07}, // LCD Horizontal Non-Display Period Register
{0 x0035,0 x01}, // TFT FPLINE Start Position Register
{0 x0036,0 x0B}, // TFT FPLINE Pulse Width Register
{0 x0038,0 xEF}, // LCD Vertical Display Height Register 0
{0 x0039,0 x00}, // LCD Vertical Display Height Register 1
{0 x003A,0 x13}, // LCD Vertical Non-Display Period Register
{0 x003B,0 x0B}, // TFT FPFRAME Start Position Register
{0 x003C,0 x01}, // TFT FPFRAME Pulse Width Register
{0 x0040,0 x05}, // LCD Display Mode Register (2:4bpp,3:8bpp,5:16bpp)
{0 x0041,0 x00}, // LCD Miscellaneous Register
{0 x0042,0 x00}, // LCD Display Start Address Register 0
{0 x0043,0 x00}, // LCD Display Start Address Register 1
{0 x0044,0 x00}, // LCD Display Start Address Register 2
{0 x0046,0 x80}, // LCD Memory Address Offset Register 0
{0 x0047,0 x02}, // LCD Memory Address Offset Register 1
{0 x0048,0 x00}, // LCD Pixel Panning Register
{0 x004A,0 x00}, // LCD Display FIFO High Threshold Control Register
{0 x004B,0 x00}, // LCD Display FIFO Low Threshold Control Register
{0 x0050,0 x4F}, // CRT/TV Horizontal Display Width Register
{0 x0052,0 x13}, // CRT/TV Horizontal Non-Display Period Register
{0 x0053,0 x01}, // CRT/TV HRTC Start Position Register
{0 x0054,0 x0B}, // CRT/TV HRTC Pulse Width Register
{0 x0056,0 xDF}, // CRT/TV Vertical Display Height Register 0
{0 x0057,0 x01}, // CRT/TV Vertical Display Height Register 1
{0 x0058,0 x2B}, // CRT/TV Vertical Non-Display Period Register
{0 x0059,0 x09}, // CRT/TV VRTC Start Position Register
{0 x005A,0 x01}, // CRT/TV VRTC Pulse Width Register
{0 x005B,0 x10}, // TV Output Control Register
{0 x0060,0 x03}, // CRT/TV Display Mode Register (2:4bpp,3:8bpp,5:16bpp)
{0 x0062,0 x00}, // CRT/TV Display Start Address Register 0
{0 x0063,0 x00}, // CRT/TV Display Start Address Register 1
{0 x0064,0 x00}, // CRT/TV Display Start Address Register 2
{0 x0066,0 x40}, // CRT/TV Memory Address Offset Register 0
{0 x0067,0 x01}, // CRT/TV Memory Address Offset Register 1
{0 x0068,0 x00}, // CRT/TV Pixel Panning Register
{0 x006A,0 x00}, // CRT/TV Display FIFO High Threshold Control Register
{0 x006B,0 x00}, // CRT/TV Display FIFO Low Threshold Control Register
{0 x0070,0 x00}, // LCD Ink/Cursor Control Register
{0 x0071,0 x01}, // LCD Ink/Cursor Start Address Register
{0 x0072,0 x00}, // LCD Cursor X Position Register 0
{0 x0073,0 x00}, // LCD Cursor X Position Register 1
{0 x0074,0 x00}, // LCD Cursor Y Position Register 0
{0 x0075,0 x00}, // LCD Cursor Y Position Register 1
{0 x0076,0 x00}, // LCD Ink/Cursor Blue Color 0 Register
{0 x0077,0 x00}, // LCD Ink/Cursor Green Color 0 Register
{0 x0078,0 x00}, // LCD Ink/Cursor Red Color 0 Register
{0 x007A,0 x1F}, // LCD Ink/Cursor Blue Color 1 Register
{0 x007B,0 x3F}, // LCD Ink/Cursor Green Color 1 Register
{0 x007C,0 x1F}, // LCD Ink/Cursor Red Color 1 Register
{0 x007E,0 x00}, // LCD Ink/Cursor FIFO Threshold Register
{0 x0080,0 x00}, // CRT/TV Ink/Cursor Control Register
{0 x0081,0 x01}, // CRT/TV Ink/Cursor Start Address Register
{0 x0082,0 x00}, // CRT/TV Cursor X Position Register 0
{0 x0083,0 x00}, // CRT/TV Cursor X Position Register 1
{0 x0084,0 x00}, // CRT/TV Cursor Y Position Register 0
{0 x0085,0 x00}, // CRT/TV Cursor Y Position Register 1
{0 x0086,0 x00}, // CRT/TV Ink/Cursor Blue Color 0 Register
{0 x0087,0 x00}, // CRT/TV Ink/Cursor Green Color 0 Register
{0 x0088,0 x00}, // CRT/TV Ink/Cursor Red Color 0 Register
{0 x008A,0 x1F}, // CRT/TV Ink/Cursor Blue Color 1 Register
{0 x008B,0 x3F}, // CRT/TV Ink/Cursor Green Color 1 Register
{0 x008C,0 x1F}, // CRT/TV Ink/Cursor Red Color 1 Register
{0 x008E,0 x00}, // CRT/TV Ink/Cursor FIFO Threshold Register
{0 x0100,0 x00}, // BitBlt Control Register 0
{0 x0101,0 x00}, // BitBlt Control Register 1
{0 x0102,0 x00}, // BitBlt ROP Code/Color Expansion Register
{0 x0103,0 x00}, // BitBlt Operation Register
{0 x0104,0 x00}, // BitBlt Source Start Address Register 0
{0 x0105,0 x00}, // BitBlt Source Start Address Register 1
{0 x0106,0 x00}, // BitBlt Source Start Address Register 2
{0 x0108,0 x00}, // BitBlt Destination Start Address Register 0
{0 x0109,0 x00}, // BitBlt Destination Start Address Register 1
{0 x010A,0 x00}, // BitBlt Destination Start Address Register 2
{0 x010C,0 x00}, // BitBlt Memory Address Offset Register 0
{0 x010D,0 x00}, // BitBlt Memory Address Offset Register 1
{0 x0110,0 x00}, // BitBlt Width Register 0
{0 x0111,0 x00}, // BitBlt Width Register 1
{0 x0112,0 x00}, // BitBlt Height Register 0
{0 x0113,0 x00}, // BitBlt Height Register 1
{0 x0114,0 x00}, // BitBlt Background Color Register 0
{0 x0115,0 x00}, // BitBlt Background Color Register 1
{0 x0118,0 x00}, // BitBlt Foreground Color Register 0
{0 x0119,0 x00}, // BitBlt Foreground Color Register 1
{0 x01E0,0 x00}, // Look-Up Table Mode Register
{0 x01E2,0 x00}, // Look-Up Table Address Register
/* not sure, wouldn't like to mess with the driver */
{0 x01E4,0 x00}, // Look-Up Table Data Register
/* jornada doc says 0x00, but I trust the driver */
{0 x01F0,0 x10}, // Power Save Configuration Register
{0 x01F1,0 x00}, // Power Save Status Register
{0 x01F4,0 x00}, // CPU-to-Memory Access Watchdog Timer Register
{0 x01FC,0 x01}, // 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 = 0 xffffffffUL;
static struct platform_device sa1111_device = {
.name = "sa1111" ,
.id = 0 ,
.dev = {
.dma_mask = &sa1111_dmamask,
.coherent_dma_mask = 0 xffffffff,
.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 = 0 xf0000000,
.pfn = __phys_to_pfn(EPSONREGSTART),
.length = EPSONREGLEN,
.type = MT_DEVICE
}, { /* Epson frame buffer */
.virtual = 0 xf1000000,
.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 = 0 x00040000,
.offset = 0 ,
.mask_flags = MTD_WRITEABLE, /* force read-only */
}, {
.name = "JORNADA720 kernel" ,
.size = 0 x000c0000,
.offset = 0 x00040000,
}, {
.name = "JORNADA720 params" ,
.size = 0 x00040000,
.offset = 0 x00100000,
}, {
.name = "JORNADA720 initrd" ,
.size = 0 x00100000,
.offset = 0 x00140000,
}, {
.name = "JORNADA720 root cramfs" ,
.size = 0 x00300000,
.offset = 0 x00240000,
}, {
.name = "JORNADA720 usr cramfs" ,
.size = 0 x00800000,
.offset = 0 x00540000,
}, {
.name = "JORNADA720 usr local" ,
.size = 0 , /* will expand to the end of the flash */
.offset = 0 x00d00000,
}
};
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 = 0 x100,
.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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