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sh: Add SuperH Mobile LCDC platform data for Migo-R

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Add WVGA and QVGA LCD panel support to Migo-R.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Magnus Damm 2008-07-28 18:47:30 +09:00 committed by Paul Mundt
parent 761656e6be
commit 8b1285f1c1
6 changed files with 284 additions and 0 deletions
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1
arch/sh/Kconfig
View file

@ -592,6 +592,7 @@ endmenu
source "arch/sh/boards/renesas/rts7751r2d/Kconfig"
source "arch/sh/boards/renesas/r7780rp/Kconfig"
source "arch/sh/boards/renesas/sdk7780/Kconfig"
source "arch/sh/boards/renesas/migor/Kconfig"
source "arch/sh/boards/magicpanelr2/Kconfig"
menu "Timer and clock configuration"

15
arch/sh/boards/renesas/migor/Kconfig Normal file
View file

@ -0,0 +1,15 @@
if SH_MIGOR
choice
prompt "Migo-R LCD Panel Board Selection"
default SH_MIGOR_QVGA
config SH_MIGOR_QVGA
bool "QVGA (320x240)"
config SH_MIGOR_RTA_WVGA
bool "RTA WVGA (800x480)"
endchoice
endif

1
arch/sh/boards/renesas/migor/Makefile
View file

@ -1 +1,2 @@
obj-y := setup.o
obj-$(CONFIG_SH_MIGOR_QVGA) += lcd_qvga.o

165
arch/sh/boards/renesas/migor/lcd_qvga.c Normal file
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@ -0,0 +1,165 @@
/*
* Support for SuperH MigoR Quarter VGA LCD Panel
*
* Copyright (C) 2008 Magnus Damm
*
* Based on lcd_powertip.c from Kenati Technologies Pvt Ltd.
* Copyright (c) 2007 Ujjwal Pande <ujjwal@kenati.com>,
*
* 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/delay.h>
#include <linux/err.h>
#include <linux/fb.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <asm/sh_mobile_lcdc.h>
#include <asm/migor.h>
/* LCD Module is a PH240320T according to board schematics. This module
* is made up of a 240x320 LCD hooked up to a R61505U (or HX8347-A01?)
* Driver IC. This IC is connected to the SH7722 built-in LCDC using a
* SYS-80 interface configured in 16 bit mode.
*
* Index 0: "Device Code Read" returns 0x1505.
*/
static void reset_lcd_module(void)
{
ctrl_outb(ctrl_inb(PORT_PHDR) & ~0x04, PORT_PHDR);
mdelay(2);
ctrl_outb(ctrl_inb(PORT_PHDR) | 0x04, PORT_PHDR);
mdelay(1);
}
/* DB0-DB7 are connected to D1-D8, and DB8-DB15 to D10-D17 */
static unsigned long adjust_reg18(unsigned short data)
{
unsigned long tmp1, tmp2;
tmp1 = (data<<1 | 0x00000001) & 0x000001FF;
tmp2 = (data<<2 | 0x00000200) & 0x0003FE00;
return tmp1 | tmp2;
}
static void write_reg(void *sys_ops_handle,
struct sh_mobile_lcdc_sys_bus_ops *sys_ops,
unsigned short reg, unsigned short data)
{
sys_ops->write_index(sys_ops_handle, adjust_reg18(reg << 8 | data));
}
static void write_reg16(void *sys_ops_handle,
struct sh_mobile_lcdc_sys_bus_ops *sys_ops,
unsigned short reg, unsigned short data)
{
sys_ops->write_index(sys_ops_handle, adjust_reg18(reg));
sys_ops->write_data(sys_ops_handle, adjust_reg18(data));
}
static unsigned long read_reg16(void *sys_ops_handle,
struct sh_mobile_lcdc_sys_bus_ops *sys_ops,
unsigned short reg)
{
unsigned long data;
sys_ops->write_index(sys_ops_handle, adjust_reg18(reg));
data = sys_ops->read_data(sys_ops_handle);
return ((data >> 1) & 0xff) | ((data >> 2) & 0xff00);
}
static void migor_lcd_qvga_seq(void *sys_ops_handle,
struct sh_mobile_lcdc_sys_bus_ops *sys_ops,
unsigned short const *data, int no_data)
{
int i;
for (i = 0; i < no_data; i += 2)
write_reg16(sys_ops_handle, sys_ops, data[i], data[i + 1]);
}
static const unsigned short sync_data[] = {
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
};
static const unsigned short magic0_data[] = {
0x0060, 0x2700, 0x0008, 0x0808, 0x0090, 0x001A, 0x0007, 0x0001,
0x0017, 0x0001, 0x0019, 0x0000, 0x0010, 0x17B0, 0x0011, 0x0116,
0x0012, 0x0198, 0x0013, 0x1400, 0x0029, 0x000C, 0x0012, 0x01B8,
};
static const unsigned short magic1_data[] = {
0x0030, 0x0307, 0x0031, 0x0303, 0x0032, 0x0603, 0x0033, 0x0202,
0x0034, 0x0202, 0x0035, 0x0202, 0x0036, 0x1F1F, 0x0037, 0x0303,
0x0038, 0x0303, 0x0039, 0x0603, 0x003A, 0x0202, 0x003B, 0x0102,
0x003C, 0x0204, 0x003D, 0x0000, 0x0001, 0x0100, 0x0002, 0x0300,
0x0003, 0x5028, 0x0020, 0x00ef, 0x0021, 0x0000, 0x0004, 0x0000,
0x0009, 0x0000, 0x000A, 0x0008, 0x000C, 0x0000, 0x000D, 0x0000,
0x0015, 0x8000,
};
static const unsigned short magic2_data[] = {
0x0061, 0x0001, 0x0092, 0x0100, 0x0093, 0x0001, 0x0007, 0x0021,
};
static const unsigned short magic3_data[] = {
0x0010, 0x16B0, 0x0011, 0x0111, 0x0007, 0x0061,
};
int migor_lcd_qvga_setup(void *board_data, void *sohandle,
struct sh_mobile_lcdc_sys_bus_ops *so)
{
unsigned long xres = 320;
unsigned long yres = 240;
int k;
reset_lcd_module();
migor_lcd_qvga_seq(sohandle, so, sync_data, ARRAY_SIZE(sync_data));
if (read_reg16(sohandle, so, 0) != 0x1505)
return -ENODEV;
pr_info("Migo-R QVGA LCD Module detected.\n");
migor_lcd_qvga_seq(sohandle, so, sync_data, ARRAY_SIZE(sync_data));
write_reg16(sohandle, so, 0x00A4, 0x0001);
mdelay(10);
migor_lcd_qvga_seq(sohandle, so, magic0_data, ARRAY_SIZE(magic0_data));
mdelay(100);
migor_lcd_qvga_seq(sohandle, so, magic1_data, ARRAY_SIZE(magic1_data));
write_reg16(sohandle, so, 0x0050, 0xef - (yres - 1));
write_reg16(sohandle, so, 0x0051, 0x00ef);
write_reg16(sohandle, so, 0x0052, 0x0000);
write_reg16(sohandle, so, 0x0053, xres - 1);
migor_lcd_qvga_seq(sohandle, so, magic2_data, ARRAY_SIZE(magic2_data));
mdelay(10);
migor_lcd_qvga_seq(sohandle, so, magic3_data, ARRAY_SIZE(magic3_data));
mdelay(40);
/* clear GRAM to avoid displaying garbage */
write_reg16(sohandle, so, 0x0020, 0x0000); /* horiz addr */
write_reg16(sohandle, so, 0x0021, 0x0000); /* vert addr */
for (k = 0; k < (xres * 256); k++) /* yes, 256 words per line */
write_reg16(sohandle, so, 0x0022, 0x0000);
write_reg16(sohandle, so, 0x0020, 0x0000); /* reset horiz addr */
write_reg16(sohandle, so, 0x0021, 0x0000); /* reset vert addr */
write_reg16(sohandle, so, 0x0007, 0x0173);
mdelay(40);
/* enable display */
write_reg(sohandle, so, 0x00, 0x22);
mdelay(100);
return 0;
}

96
arch/sh/boards/renesas/migor/setup.c
View file

@ -19,6 +19,7 @@
#include <asm/machvec.h>
#include <asm/io.h>
#include <asm/sh_keysc.h>
#include <asm/sh_mobile_lcdc.h>
#include <asm/migor.h>
/* Address IRQ Size Bus Description
@ -199,9 +200,80 @@ static struct platform_device migor_nand_flash_device = {
}
};
static struct sh_mobile_lcdc_info sh_mobile_lcdc_info = {
#ifdef CONFIG_SH_MIGOR_RTA_WVGA
.clock_source = LCDC_CLK_BUS,
.ch[0] = {
.chan = LCDC_CHAN_MAINLCD,
.bpp = 16,
.interface_type = RGB16,
.clock_divider = 2,
.lcd_cfg = {
.name = "LB070WV1",
.xres = 800,
.yres = 480,
.left_margin = 64,
.right_margin = 16,
.hsync_len = 120,
.upper_margin = 1,
.lower_margin = 17,
.vsync_len = 2,
.sync = 0,
},
}
#endif
#ifdef CONFIG_SH_MIGOR_QVGA
.clock_source = LCDC_CLK_PERIPHERAL,
.ch[0] = {
.chan = LCDC_CHAN_MAINLCD,
.bpp = 16,
.interface_type = SYS16A,
.clock_divider = 10,
.lcd_cfg = {
.name = "PH240320T",
.xres = 320,
.yres = 240,
.left_margin = 0,
.right_margin = 16,
.hsync_len = 8,
.upper_margin = 1,
.lower_margin = 17,
.vsync_len = 2,
.sync = FB_SYNC_HOR_HIGH_ACT,
},
.board_cfg = {
.setup_sys = migor_lcd_qvga_setup,
},
.sys_bus_cfg = {
.ldmt2r = 0x06000a09,
.ldmt3r = 0x180e3418,
},
}
#endif
};
static struct resource migor_lcdc_resources[] = {
[0] = {
.name = "LCDC",
.start = 0xfe940000, /* P4-only space */
.end = 0xfe941fff,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device migor_lcdc_device = {
.name = "sh_mobile_lcdc_fb",
.num_resources = ARRAY_SIZE(migor_lcdc_resources),
.resource = migor_lcdc_resources,
.dev = {
.platform_data = &sh_mobile_lcdc_info,
},
};
static struct platform_device *migor_devices[] __initdata = {
&smc91x_eth_device,
&sh_keysc_device,
&migor_lcdc_device,
&migor_nor_flash_device,
&migor_nand_flash_device,
};
@ -219,6 +291,7 @@ static struct i2c_board_info __initdata migor_i2c_devices[] = {
static int __init migor_devices_setup(void)
{
clk_always_enable("mstp214"); /* KEYSC */
clk_always_enable("mstp200"); /* LCDC */
i2c_register_board_info(0, migor_i2c_devices,
ARRAY_SIZE(migor_i2c_devices));
@ -248,6 +321,29 @@ static void __init migor_setup(char **cmdline_p)
ctrl_outw(ctrl_inw(PORT_PZCR) & ~0xc, PORT_PZCR);
ctrl_outw((ctrl_inw(PORT_PSELA) | 0x8000), PORT_PSELA);
ctrl_outw((ctrl_inw(PORT_HIZCRC) & ~0x4000), PORT_HIZCRC);
#ifdef CONFIG_SH_MIGOR_RTA_WVGA
/* LCDC - WVGA - Enable RGB Interface signals */
ctrl_outw(ctrl_inw(PORT_PACR) & ~0x0003, PORT_PACR);
ctrl_outw(0x0000, PORT_PHCR);
ctrl_outw(0x0000, PORT_PLCR);
ctrl_outw(0x0000, PORT_PMCR);
ctrl_outw(ctrl_inw(PORT_PRCR) & ~0x000f, PORT_PRCR);
ctrl_outw((ctrl_inw(PORT_PSELD) & ~0x000d) | 0x0400, PORT_PSELD);
ctrl_outw(ctrl_inw(PORT_MSELCRB) & ~0x0100, PORT_MSELCRB);
ctrl_outw(ctrl_inw(PORT_HIZCRA) & ~0x01e0, PORT_HIZCRA);
#endif
#ifdef CONFIG_SH_MIGOR_QVGA
/* LCDC - QVGA - Enable SYS Interface signals */
ctrl_outw(ctrl_inw(PORT_PACR) & ~0x0003, PORT_PACR);
ctrl_outw((ctrl_inw(PORT_PHCR) & ~0xcfff) | 0x0010, PORT_PHCR);
ctrl_outw(0x0000, PORT_PLCR);
ctrl_outw(0x0000, PORT_PMCR);
ctrl_outw(ctrl_inw(PORT_PRCR) & ~0x030f, PORT_PRCR);
ctrl_outw((ctrl_inw(PORT_PSELD) & ~0x0001) | 0x0420, PORT_PSELD);
ctrl_outw(ctrl_inw(PORT_MSELCRB) | 0x0100, PORT_MSELCRB);
ctrl_outw(ctrl_inw(PORT_HIZCRA) & ~0x01e0, PORT_HIZCRA);
#endif
}
static struct sh_machine_vector mv_migor __initmv = {

6
include/asm-sh/migor.h
View file

@ -30,6 +30,7 @@
#define PORT_PYCR 0xa405014a
#define PORT_PZCR 0xa405014c
#define PORT_PADR 0xa4050120
#define PORT_PHDR 0xa405012e
#define PORT_PWDR 0xa4050166
#define PORT_HIZCRA 0xa4050158
@ -51,4 +52,9 @@
#define BSC_CS6ABCR 0xfec1001c
#include <asm/sh_mobile_lcdc.h>
int migor_lcd_qvga_setup(void *board_data, void *sys_ops_handle,
struct sh_mobile_lcdc_sys_bus_ops *sys_ops);
#endif /* __ASM_SH_MIGOR_H */