/*
* mackerel board support
*
* Copyright (C) 2010 Renesas Solutions Corp.
* Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
*
* based on ap4evb
* Copyright (C) 2010 Magnus Damm
* Copyright (C) 2008 Yoshihiro Shimoda
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/input.h>
#include <linux/io.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/smsc911x.h>
#include <linux/usb/r8a66597.h>
#include <video/sh_mobile_lcdc.h>
#include <mach/common.h>
#include <mach/sh7372.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/mach/map.h>
#include <asm/mach-types.h>
/*
* Address Interface BusWidth note
* ------------------------------------------------------------------
* 0x0000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = ON
* 0x0800_0000 user area -
* 0x1000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = OFF
* 0x1400_0000 Ether (LAN9220) 16bit
* 0x1600_0000 user area - cannot use with NAND
* 0x1800_0000 user area -
* 0x1A00_0000 -
* 0x4000_0000 LPDDR2-SDRAM (POP) 32bit
*/
/*
* CPU mode
*
* SW4 | Boot Area| Master | Remarks
* 1 | 2 | 3 | 4 | 5 | 6 | 8 | | Processor|
* ----+-----+-----+-----+-----+-----+-----+----------+----------+--------------
* ON | ON | OFF | ON | ON | OFF | OFF | External | System | External ROM
* ON | ON | ON | ON | ON | OFF | OFF | External | System | ROM Debug
* ON | ON | X | ON | OFF | OFF | OFF | Built-in | System | ROM Debug
* X | OFF | X | X | X | X | OFF | Built-in | System | MaskROM
* OFF | X | X | X | X | X | OFF | Built-in | System | MaskROM
* X | X | X | OFF | X | X | OFF | Built-in | System | MaskROM
* OFF | ON | OFF | X | X | OFF | ON | External | System | Standalone
* ON | OFF | OFF | X | X | OFF | ON | External | Realtime | Standalone
*/
/*
* NOR Flash ROM
*
* SW1 | SW2 | SW7 | NOR Flash ROM
* bit1 | bit1 bit2 | bit1 | Memory allocation
* ------+------------+------+------------------
* OFF | ON OFF | ON | Area 0
* OFF | ON OFF | OFF | Area 4
*/
/*
* SMSC 9220
*
* SW1 SMSC 9220
* -----------------------
* ON access disable
* OFF access enable
*/
/*
* NAND Flash ROM
*
* SW1 | SW2 | SW7 | NAND Flash ROM
* bit1 | bit1 bit2 | bit2 | Memory allocation
* ------+------------+------+------------------
* OFF | ON OFF | ON | FCE 0
* OFF | ON OFF | OFF | FCE 1
*/
/*
* External interrupt pin settings
*
* IRQX | pin setting | device | level
* ------+--------------------+--------------------+-------
* IRQ0 | ICR1A.IRQ0SA=0010 | SDHI2 card detect | Low
* IRQ6 | ICR1A.IRQ6SA=0011 | Ether(LAN9220) | High
* IRQ7 | ICR1A.IRQ7SA=0010 | LCD Tuch Panel | Low
* IRQ8 | ICR2A.IRQ8SA=0010 | MMC/SD card detect | Low
* IRQ9 | ICR2A.IRQ9SA=0010 | KEY(TCA6408) | Low
* IRQ21 | ICR4A.IRQ21SA=0011 | Sensor(ADXL345) | High
* IRQ22 | ICR4A.IRQ22SA=0011 | Sensor(AK8975) | High
*/
/*
* USB
*
* USB0 : CN22 : Function
* USB1 : CN31 : Function/Host *1
*
* J30 (for CN31) *1
* ----------+---------------+-------------
* 1-2 short | VBUS 5V | Host
* open | external VBUS | Function
*
* *1
* CN31 is used as Host in Linux.
*/
/* MTD */
static struct mtd_partition nor_flash_partitions[] = {
{
.name = "loader",
.offset = 0x00000000,
.size = 512 * 1024,
.mask_flags = MTD_WRITEABLE,
},
{
.name = "bootenv",
.offset = MTDPART_OFS_APPEND,
.size = 512 * 1024,
.mask_flags = MTD_WRITEABLE,
},
{
.name = "kernel_ro",
.offset = MTDPART_OFS_APPEND,
.size = 8 * 1024 * 1024,
.mask_flags = MTD_WRITEABLE,
},
{
.name = "kernel",
.offset = MTDPART_OFS_APPEND,
.size = 8 * 1024 * 1024,
},
{
.name = "data",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
},
};
static struct physmap_flash_data nor_flash_data = {
.width = 2,
.parts = nor_flash_partitions,
.nr_parts = ARRAY_SIZE(nor_flash_partitions),
};
static struct resource nor_flash_resources[] = {
[0] = {
.start = 0x00000000,
.end = 0x08000000 - 1,
.flags = IORESOURCE_MEM,
}
};
static struct platform_device nor_flash_device = {
.name = "physmap-flash",
.dev = {
.platform_data = &nor_flash_data,
},
.num_resources = ARRAY_SIZE(nor_flash_resources),
.resource = nor_flash_resources,
};
/* SMSC */
static struct resource smc911x_resources[] = {
{
.start = 0x14000000,
.end = 0x16000000 - 1,
.flags = IORESOURCE_MEM,
}, {
.start = evt2irq(0x02c0) /* IRQ6A */,
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
},
};
static struct smsc911x_platform_config smsc911x_info = {
.flags = SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS,
.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
.irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
};
static struct platform_device smc911x_device = {
.name = "smsc911x",
.id = -1,
.num_resources = ARRAY_SIZE(smc911x_resources),
.resource = smc911x_resources,
.dev = {
.platform_data = &smsc911x_info,
},
};
/* LCDC */
static struct fb_videomode mackerel_lcdc_modes[] = {
{
.name = "WVGA Panel",
.xres = 800,
.yres = 480,
.left_margin = 220,
.right_margin = 110,
.hsync_len = 70,
.upper_margin = 20,
.lower_margin = 5,
.vsync_len = 5,
.sync = 0,
},
};
static struct sh_mobile_lcdc_info lcdc_info = {
.clock_source = LCDC_CLK_BUS,
.ch[0] = {
.chan = LCDC_CHAN_MAINLCD,
.bpp = 16,
.lcd_cfg = mackerel_lcdc_modes,
.num_cfg = ARRAY_SIZE(mackerel_lcdc_modes),
.interface_type = RGB24,
.clock_divider = 2,
.flags = 0,
.lcd_size_cfg.width = 152,
.lcd_size_cfg.height = 91,
}
};
static struct resource lcdc_resources[] = {
[0] = {
.name = "LCDC",
.start = 0xfe940000,
.end = 0xfe943fff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = intcs_evt2irq(0x580),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device lcdc_device = {
.name = "sh_mobile_lcdc_fb",
.num_resources = ARRAY_SIZE(lcdc_resources),
.resource = lcdc_resources,
.dev = {
.platform_data = &lcdc_info,
.coherent_dma_mask = ~0,
},
};
/* USB1 (Host) */
static void usb1_host_port_power(int port, int power)
{
if (!power) /* only power-on is supported for now */
return;
/* set VBOUT/PWEN and EXTLP1 in DVSTCTR */
__raw_writew(__raw_readw(0xE68B0008) | 0x600, 0xE68B0008);
}
static struct r8a66597_platdata usb1_host_data = {
.on_chip = 1,
.port_power = usb1_host_port_power,
};
static struct resource usb1_host_resources[] = {
[0] = {
.name = "USBHS",
.start = 0xE68B0000,
.end = 0xE68B00E6 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = evt2irq(0x1ce0) /* USB1_USB1I0 */,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device usb1_host_device = {
.name = "r8a66597_hcd",
.id = 1,
.dev = {
.dma_mask = NULL, /* not use dma */
.coherent_dma_mask = 0xffffffff,
.platform_data = &usb1_host_data,
},
.num_resources = ARRAY_SIZE(usb1_host_resources),
.resource = usb1_host_resources,
};
static struct platform_device *mackerel_devices[] __initdata = {
&nor_flash_device,
&smc911x_device,
&lcdc_device,
&usb1_host_device,
};
static struct map_desc mackerel_io_desc[] __initdata = {
/* create a 1:1 entity map for 0xe6xxxxxx
* used by CPGA, INTC and PFC.
*/
{
.virtual = 0xe6000000,
.pfn = __phys_to_pfn(0xe6000000),
.length = 256 << 20,
.type = MT_DEVICE_NONSHARED
},
};
static void __init mackerel_map_io(void)
{
iotable_init(mackerel_io_desc, ARRAY_SIZE(mackerel_io_desc));
/* setup early devices and console here as well */
sh7372_add_early_devices();
shmobile_setup_console();
}
static void __init mackerel_init(void)
{
sh7372_pinmux_init();
/* enable SCIFA0 */
gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
gpio_request(GPIO_FN_SCIFA0_RXD, NULL);
/* enable SMSC911X */
gpio_request(GPIO_FN_CS5A, NULL);
gpio_request(GPIO_FN_IRQ6_39, NULL);
/* LCDC */
gpio_request(GPIO_FN_LCDD23, NULL);
gpio_request(GPIO_FN_LCDD22, NULL);
gpio_request(GPIO_FN_LCDD21, NULL);
gpio_request(GPIO_FN_LCDD20, NULL);
gpio_request(GPIO_FN_LCDD19, NULL);
gpio_request(GPIO_FN_LCDD18, NULL);
gpio_request(GPIO_FN_LCDD17, NULL);
gpio_request(GPIO_FN_LCDD16, NULL);
gpio_request(GPIO_FN_LCDD15, NULL);
gpio_request(GPIO_FN_LCDD14, NULL);
gpio_request(GPIO_FN_LCDD13, NULL);
gpio_request(GPIO_FN_LCDD12, NULL);
gpio_request(GPIO_FN_LCDD11, NULL);
gpio_request(GPIO_FN_LCDD10, NULL);
gpio_request(GPIO_FN_LCDD9, NULL);
gpio_request(GPIO_FN_LCDD8, NULL);
gpio_request(GPIO_FN_LCDD7, NULL);
gpio_request(GPIO_FN_LCDD6, NULL);
gpio_request(GPIO_FN_LCDD5, NULL);
gpio_request(GPIO_FN_LCDD4, NULL);
gpio_request(GPIO_FN_LCDD3, NULL);
gpio_request(GPIO_FN_LCDD2, NULL);
gpio_request(GPIO_FN_LCDD1, NULL);
gpio_request(GPIO_FN_LCDD0, NULL);
gpio_request(GPIO_FN_LCDDISP, NULL);
gpio_request(GPIO_FN_LCDDCK, NULL);
gpio_request(GPIO_PORT31, NULL); /* backlight */
gpio_direction_output(GPIO_PORT31, 1);
gpio_request(GPIO_PORT151, NULL); /* LCDDON */
gpio_direction_output(GPIO_PORT151, 1);
/* USB enable */
gpio_request(GPIO_FN_VBUS0_1, NULL);
gpio_request(GPIO_FN_IDIN_1_18, NULL);
gpio_request(GPIO_FN_PWEN_1_115, NULL);
gpio_request(GPIO_FN_OVCN_1_114, NULL);
gpio_request(GPIO_FN_EXTLP_1, NULL);
gpio_request(GPIO_FN_OVCN2_1, NULL);
/* setup USB phy */
__raw_writew(0x8a0a, 0xE6058130); /* USBCR2 */
sh7372_add_standard_devices();
platform_add_devices(mackerel_devices, ARRAY_SIZE(mackerel_devices));
}
static void __init mackerel_timer_init(void)
{
sh7372_clock_init();
shmobile_timer.init();
}
static struct sys_timer mackerel_timer = {
.init = mackerel_timer_init,
};
MACHINE_START(MACKEREL, "mackerel")
.map_io = mackerel_map_io,
.init_irq = sh7372_init_irq,
.init_machine = mackerel_init,
.timer = &mackerel_timer,
MACHINE_END
