mirror of
https://github.com/edk2-porting/linux-next.git
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33c9607acf
This patch updates the irq numbers on sh7372/AP4EVB to make use of evt2irq() and intcs_evt2irq(). Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
439 lines
10 KiB
C
439 lines
10 KiB
C
/*
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* AP4EVB board support
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*
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* Copyright (C) 2010 Magnus Damm
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* Copyright (C) 2008 Yoshihiro Shimoda
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/irq.h>
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#include <linux/platform_device.h>
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#include <linux/delay.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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#include <linux/mtd/physmap.h>
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#include <linux/i2c.h>
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#include <linux/i2c/tsc2007.h>
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#include <linux/io.h>
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#include <linux/smsc911x.h>
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#include <linux/gpio.h>
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#include <linux/input.h>
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#include <linux/input/sh_keysc.h>
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#include <linux/usb/r8a66597.h>
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#include <mach/common.h>
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#include <mach/sh7372.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/time.h>
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/*
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* Address Interface BusWidth note
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* ------------------------------------------------------------------
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* 0x0000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = ON
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* 0x0800_0000 user area -
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* 0x1000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = OFF
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* 0x1400_0000 Ether (LAN9220) 16bit
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* 0x1600_0000 user area - cannot use with NAND
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* 0x1800_0000 user area -
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* 0x1A00_0000 -
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* 0x4000_0000 LPDDR2-SDRAM (POP) 32bit
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*/
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/*
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* NOR Flash ROM
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*
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* SW1 | SW2 | SW7 | NOR Flash ROM
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* bit1 | bit1 bit2 | bit1 | Memory allocation
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* ------+------------+------+------------------
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* OFF | ON OFF | ON | Area 0
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* OFF | ON OFF | OFF | Area 4
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*/
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/*
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* NAND Flash ROM
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*
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* SW1 | SW2 | SW7 | NAND Flash ROM
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* bit1 | bit1 bit2 | bit2 | Memory allocation
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* ------+------------+------+------------------
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* OFF | ON OFF | ON | FCE 0
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* OFF | ON OFF | OFF | FCE 1
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*/
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/*
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* SMSC 9220
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*
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* SW1 SMSC 9220
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* -----------------------
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* ON access disable
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* OFF access enable
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*/
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/*
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* LCD / IRQ / KEYSC / IrDA
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*
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* IRQ = IRQ26 (TS), IRQ27 (VIO), IRQ28 (TouchScreen)
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* LCD = 2nd LCDC
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*
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* | SW43 |
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* SW3 | ON | OFF |
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* -------------+-----------------------+---------------+
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* ON | KEY / IrDA | LCD |
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* OFF | KEY / IrDA / IRQ | IRQ |
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*/
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/*
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* USB
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*
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* J7 : 1-2 MAX3355E VBUS
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* 2-3 DC 5.0V
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*
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* S39: bit2: off
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*/
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/* MTD */
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static struct mtd_partition nor_flash_partitions[] = {
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{
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.name = "loader",
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.offset = 0x00000000,
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.size = 512 * 1024,
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},
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{
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.name = "bootenv",
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.offset = MTDPART_OFS_APPEND,
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.size = 512 * 1024,
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},
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{
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.name = "kernel_ro",
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.offset = MTDPART_OFS_APPEND,
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.size = 8 * 1024 * 1024,
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.mask_flags = MTD_WRITEABLE,
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},
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{
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.name = "kernel",
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.offset = MTDPART_OFS_APPEND,
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.size = 8 * 1024 * 1024,
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},
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{
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.name = "data",
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.offset = MTDPART_OFS_APPEND,
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.size = MTDPART_SIZ_FULL,
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},
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};
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static struct physmap_flash_data nor_flash_data = {
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.width = 2,
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.parts = nor_flash_partitions,
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.nr_parts = ARRAY_SIZE(nor_flash_partitions),
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};
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static struct resource nor_flash_resources[] = {
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[0] = {
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.start = 0x00000000,
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.end = 0x08000000 - 1,
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.flags = IORESOURCE_MEM,
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}
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};
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static struct platform_device nor_flash_device = {
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.name = "physmap-flash",
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.dev = {
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.platform_data = &nor_flash_data,
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},
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.num_resources = ARRAY_SIZE(nor_flash_resources),
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.resource = nor_flash_resources,
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};
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/* SMSC 9220 */
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static struct resource smc911x_resources[] = {
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{
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.start = 0x14000000,
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.end = 0x16000000 - 1,
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.flags = IORESOURCE_MEM,
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}, {
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.start = evt2irq(0x02c0) /* IRQ6A */,
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
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},
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};
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static struct smsc911x_platform_config smsc911x_info = {
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.flags = SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS,
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.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
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.irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
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};
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static struct platform_device smc911x_device = {
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.name = "smsc911x",
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.id = -1,
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.num_resources = ARRAY_SIZE(smc911x_resources),
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.resource = smc911x_resources,
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.dev = {
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.platform_data = &smsc911x_info,
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},
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};
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/* KEYSC (Needs SW43 set to ON) */
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static struct sh_keysc_info keysc_info = {
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.mode = SH_KEYSC_MODE_1,
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.scan_timing = 3,
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.delay = 2500,
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.keycodes = {
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KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
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KEY_5, KEY_6, KEY_7, KEY_8, KEY_9,
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KEY_A, KEY_B, KEY_C, KEY_D, KEY_E,
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KEY_F, KEY_G, KEY_H, KEY_I, KEY_J,
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KEY_K, KEY_L, KEY_M, KEY_N, KEY_O,
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},
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};
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static struct resource keysc_resources[] = {
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[0] = {
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.name = "KEYSC",
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.start = 0xe61b0000,
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.end = 0xe61b0063,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = evt2irq(0x0be0), /* KEYSC_KEY */
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device keysc_device = {
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.name = "sh_keysc",
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.id = 0, /* "keysc0" clock */
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.num_resources = ARRAY_SIZE(keysc_resources),
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.resource = keysc_resources,
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.dev = {
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.platform_data = &keysc_info,
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},
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};
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/* SDHI0 */
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static struct resource sdhi0_resources[] = {
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[0] = {
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.name = "SDHI0",
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.start = 0xe6850000,
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.end = 0xe68501ff,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = evt2irq(0x0e00) /* SDHI0 */,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device sdhi0_device = {
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.name = "sh_mobile_sdhi",
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.num_resources = ARRAY_SIZE(sdhi0_resources),
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.resource = sdhi0_resources,
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.id = 0,
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};
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/* USB1 */
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void usb1_host_port_power(int port, int power)
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{
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if (!power) /* only power-on supported for now */
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return;
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/* set VBOUT/PWEN and EXTLP1 in DVSTCTR */
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__raw_writew(__raw_readw(0xE68B0008) | 0x600, 0xE68B0008);
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}
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static struct r8a66597_platdata usb1_host_data = {
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.on_chip = 1,
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.port_power = usb1_host_port_power,
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};
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static struct resource usb1_host_resources[] = {
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[0] = {
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.name = "USBHS",
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.start = 0xE68B0000,
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.end = 0xE68B00E6 - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = evt2irq(0x1ce0) /* USB1_USB1I0 */,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device usb1_host_device = {
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.name = "r8a66597_hcd",
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.id = 1,
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.dev = {
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.dma_mask = NULL, /* not use dma */
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.coherent_dma_mask = 0xffffffff,
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.platform_data = &usb1_host_data,
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},
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.num_resources = ARRAY_SIZE(usb1_host_resources),
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.resource = usb1_host_resources,
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};
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static struct platform_device *ap4evb_devices[] __initdata = {
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&nor_flash_device,
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&smc911x_device,
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&keysc_device,
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&sdhi0_device,
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&usb1_host_device,
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};
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/* TouchScreen (Needs SW3 set to OFF) */
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#define IRQ28 evt2irq(0x3380) /* IRQ28A */
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struct tsc2007_platform_data tsc2007_info = {
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.model = 2007,
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.x_plate_ohms = 180,
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};
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/* I2C */
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static struct i2c_board_info i2c1_devices[] = {
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{
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I2C_BOARD_INFO("r2025sd", 0x32),
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},
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{
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I2C_BOARD_INFO("tsc2007", 0x48),
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.type = "tsc2007",
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.platform_data = &tsc2007_info,
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.irq = IRQ28,
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},
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};
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static struct map_desc ap4evb_io_desc[] __initdata = {
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/* create a 1:1 entity map for 0xe6xxxxxx
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* used by CPGA, INTC and PFC.
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*/
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{
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.virtual = 0xe6000000,
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.pfn = __phys_to_pfn(0xe6000000),
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.length = 256 << 20,
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.type = MT_DEVICE_NONSHARED
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},
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};
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static void __init ap4evb_map_io(void)
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{
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iotable_init(ap4evb_io_desc, ARRAY_SIZE(ap4evb_io_desc));
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/* setup early devices and console here as well */
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sh7372_add_early_devices();
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shmobile_setup_console();
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}
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static void __init ap4evb_init(void)
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{
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sh7372_pinmux_init();
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/* enable SCIFA0 */
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gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
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gpio_request(GPIO_FN_SCIFA0_RXD, NULL);
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/* enable SMSC911X */
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gpio_request(GPIO_FN_CS5A, NULL);
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gpio_request(GPIO_FN_IRQ6_39, NULL);
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/* enable LED 1 - 4 */
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gpio_request(GPIO_PORT185, NULL);
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gpio_request(GPIO_PORT186, NULL);
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gpio_request(GPIO_PORT187, NULL);
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gpio_request(GPIO_PORT188, NULL);
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gpio_direction_output(GPIO_PORT185, 1);
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gpio_direction_output(GPIO_PORT186, 1);
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gpio_direction_output(GPIO_PORT187, 1);
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gpio_direction_output(GPIO_PORT188, 1);
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gpio_export(GPIO_PORT185, 0);
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gpio_export(GPIO_PORT186, 0);
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gpio_export(GPIO_PORT187, 0);
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gpio_export(GPIO_PORT188, 0);
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/* enable Debug switch (S6) */
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gpio_request(GPIO_PORT32, NULL);
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gpio_request(GPIO_PORT33, NULL);
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gpio_request(GPIO_PORT34, NULL);
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gpio_request(GPIO_PORT35, NULL);
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gpio_direction_input(GPIO_PORT32);
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gpio_direction_input(GPIO_PORT33);
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gpio_direction_input(GPIO_PORT34);
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gpio_direction_input(GPIO_PORT35);
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gpio_export(GPIO_PORT32, 0);
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gpio_export(GPIO_PORT33, 0);
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gpio_export(GPIO_PORT34, 0);
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gpio_export(GPIO_PORT35, 0);
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/* enable KEYSC */
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gpio_request(GPIO_FN_KEYOUT0, NULL);
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gpio_request(GPIO_FN_KEYOUT1, NULL);
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gpio_request(GPIO_FN_KEYOUT2, NULL);
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gpio_request(GPIO_FN_KEYOUT3, NULL);
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gpio_request(GPIO_FN_KEYOUT4, NULL);
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gpio_request(GPIO_FN_KEYIN0_136, NULL);
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gpio_request(GPIO_FN_KEYIN1_135, NULL);
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gpio_request(GPIO_FN_KEYIN2_134, NULL);
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gpio_request(GPIO_FN_KEYIN3_133, NULL);
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gpio_request(GPIO_FN_KEYIN4, NULL);
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/* SDHI0 */
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gpio_request(GPIO_FN_SDHICD0, NULL);
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gpio_request(GPIO_FN_SDHIWP0, NULL);
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gpio_request(GPIO_FN_SDHICMD0, NULL);
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gpio_request(GPIO_FN_SDHICLK0, NULL);
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gpio_request(GPIO_FN_SDHID0_3, NULL);
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gpio_request(GPIO_FN_SDHID0_2, NULL);
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gpio_request(GPIO_FN_SDHID0_1, NULL);
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gpio_request(GPIO_FN_SDHID0_0, NULL);
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/* enable TouchScreen */
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gpio_request(GPIO_FN_IRQ28_123, NULL);
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set_irq_type(IRQ28, IRQ_TYPE_LEVEL_LOW);
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i2c_register_board_info(1, i2c1_devices,
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ARRAY_SIZE(i2c1_devices));
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/* USB enable */
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gpio_request(GPIO_FN_VBUS0_1, NULL);
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gpio_request(GPIO_FN_IDIN_1_18, NULL);
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gpio_request(GPIO_FN_PWEN_1_115, NULL);
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gpio_request(GPIO_FN_OVCN_1_114, NULL);
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gpio_request(GPIO_FN_EXTLP_1, NULL);
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gpio_request(GPIO_FN_OVCN2_1, NULL);
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/* setup USB phy */
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__raw_writew(0x8a0a, 0xE6058130); /* USBCR2 */
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sh7372_add_standard_devices();
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platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
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}
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static void __init ap4evb_timer_init(void)
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{
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sh7372_clock_init();
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shmobile_timer.init();
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}
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static struct sys_timer ap4evb_timer = {
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.init = ap4evb_timer_init,
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};
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MACHINE_START(AP4EVB, "ap4evb")
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.phys_io = 0xe6000000,
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.io_pg_offst = ((0xe6000000) >> 18) & 0xfffc,
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.map_io = ap4evb_map_io,
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.init_irq = sh7372_init_irq,
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.init_machine = ap4evb_init,
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.timer = &ap4evb_timer,
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MACHINE_END
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