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575 lines
14 KiB
575 lines
14 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* linux/arch/arm/mach-pxa/trizeps4.c |
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* |
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* Support for the Keith und Koep Trizeps4 Module Platform. |
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* |
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* Author: Jürgen Schindele |
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* Created: 20 02, 2006 |
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* Copyright: Jürgen Schindele |
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*/ |
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#include <linux/init.h> |
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#include <linux/kernel.h> |
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#include <linux/platform_device.h> |
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#include <linux/interrupt.h> |
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#include <linux/leds.h> |
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#include <linux/export.h> |
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#include <linux/sched.h> |
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#include <linux/bitops.h> |
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#include <linux/fb.h> |
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#include <linux/ioport.h> |
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#include <linux/delay.h> |
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#include <linux/gpio.h> |
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#include <linux/dm9000.h> |
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#include <linux/mtd/physmap.h> |
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#include <linux/mtd/partitions.h> |
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#include <linux/regulator/machine.h> |
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#include <linux/platform_data/i2c-pxa.h> |
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#include <asm/types.h> |
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#include <asm/setup.h> |
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#include <asm/memory.h> |
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#include <asm/mach-types.h> |
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#include <asm/irq.h> |
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#include <linux/sizes.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/irq.h> |
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#include <asm/mach/flash.h> |
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#include "pxa27x.h" |
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#include <mach/trizeps4.h> |
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#include <mach/audio.h> |
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#include <linux/platform_data/video-pxafb.h> |
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#include <linux/platform_data/mmc-pxamci.h> |
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#include <linux/platform_data/irda-pxaficp.h> |
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#include <linux/platform_data/usb-ohci-pxa27x.h> |
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#include <mach/smemc.h> |
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#include "generic.h" |
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#include "devices.h" |
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/* comment out the following line if you want to use the |
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* Standard UART from PXA for serial / irda transmission |
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* and acivate it if you have status leds connected */ |
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#define STATUS_LEDS_ON_STUART_PINS 1 |
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/***************************************************************************** |
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* MultiFunctionPins of CPU |
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*****************************************************************************/ |
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static unsigned long trizeps4_pin_config[] __initdata = { |
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/* Chip Selects */ |
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GPIO15_nCS_1, /* DiskOnChip CS */ |
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GPIO93_GPIO, /* TRIZEPS4_DOC_IRQ */ |
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GPIO94_GPIO, /* DOC lock */ |
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GPIO78_nCS_2, /* DM9000 CS */ |
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GPIO101_GPIO, /* TRIZEPS4_ETH_IRQ */ |
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GPIO79_nCS_3, /* Logic CS */ |
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GPIO0_GPIO | WAKEUP_ON_EDGE_RISE, /* Logic irq */ |
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/* AC97 */ |
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GPIO28_AC97_BITCLK, |
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GPIO29_AC97_SDATA_IN_0, |
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GPIO30_AC97_SDATA_OUT, |
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GPIO31_AC97_SYNC, |
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/* LCD - 16bpp Active TFT */ |
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GPIOxx_LCD_TFT_16BPP, |
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/* UART */ |
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GPIO9_FFUART_CTS, |
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GPIO10_FFUART_DCD, |
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GPIO16_FFUART_TXD, |
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GPIO33_FFUART_DSR, |
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GPIO38_FFUART_RI, |
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GPIO82_FFUART_DTR, |
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GPIO83_FFUART_RTS, |
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GPIO96_FFUART_RXD, |
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GPIO42_BTUART_RXD, |
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GPIO43_BTUART_TXD, |
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GPIO44_BTUART_CTS, |
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GPIO45_BTUART_RTS, |
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#ifdef STATUS_LEDS_ON_STUART_PINS |
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GPIO46_GPIO, |
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GPIO47_GPIO, |
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#else |
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GPIO46_STUART_RXD, |
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GPIO47_STUART_TXD, |
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#endif |
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/* PCMCIA */ |
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GPIO11_GPIO, /* TRIZEPS4_CD_IRQ */ |
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GPIO13_GPIO, /* TRIZEPS4_READY_NINT */ |
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GPIO48_nPOE, |
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GPIO49_nPWE, |
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GPIO50_nPIOR, |
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GPIO51_nPIOW, |
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GPIO54_nPCE_2, |
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GPIO55_nPREG, |
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GPIO56_nPWAIT, |
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GPIO57_nIOIS16, |
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GPIO102_nPCE_1, |
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GPIO104_PSKTSEL, |
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/* MultiMediaCard */ |
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GPIO32_MMC_CLK, |
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GPIO92_MMC_DAT_0, |
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GPIO109_MMC_DAT_1, |
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GPIO110_MMC_DAT_2, |
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GPIO111_MMC_DAT_3, |
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GPIO112_MMC_CMD, |
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GPIO12_GPIO, /* TRIZEPS4_MMC_IRQ */ |
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/* USB OHCI */ |
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GPIO88_USBH1_PWR, /* USBHPWR1 */ |
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GPIO89_USBH1_PEN, /* USBHPEN1 */ |
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/* I2C */ |
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GPIO117_I2C_SCL, |
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GPIO118_I2C_SDA, |
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}; |
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static unsigned long trizeps4wl_pin_config[] __initdata = { |
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/* SSP 2 */ |
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GPIO14_SSP2_SFRM, |
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GPIO19_SSP2_SCLK, |
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GPIO53_GPIO, /* TRIZEPS4_SPI_IRQ */ |
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GPIO86_SSP2_RXD, |
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GPIO87_SSP2_TXD, |
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}; |
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/**************************************************************************** |
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* ONBOARD FLASH |
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****************************************************************************/ |
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static struct mtd_partition trizeps4_partitions[] = { |
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{ |
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.name = "Bootloader", |
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.offset = 0x00000000, |
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.size = 0x00040000, |
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.mask_flags = MTD_WRITEABLE /* force read-only */ |
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}, { |
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.name = "Backup", |
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.offset = 0x00040000, |
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.size = 0x00040000, |
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}, { |
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.name = "Image", |
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.offset = 0x00080000, |
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.size = 0x01080000, |
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}, { |
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.name = "IPSM", |
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.offset = 0x01100000, |
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.size = 0x00e00000, |
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}, { |
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.name = "Registry", |
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.offset = 0x01f00000, |
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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 trizeps4_flash_data[] = { |
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{ |
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.width = 4, /* bankwidth in bytes */ |
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.parts = trizeps4_partitions, |
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.nr_parts = ARRAY_SIZE(trizeps4_partitions) |
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} |
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}; |
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static struct resource flash_resource = { |
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.start = PXA_CS0_PHYS, |
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.end = PXA_CS0_PHYS + SZ_32M - 1, |
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.flags = IORESOURCE_MEM, |
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}; |
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static struct platform_device flash_device = { |
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.name = "physmap-flash", |
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.id = 0, |
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.dev = { |
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.platform_data = trizeps4_flash_data, |
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}, |
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.resource = &flash_resource, |
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.num_resources = 1, |
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}; |
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/**************************************************************************** |
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* DAVICOM DM9000 Ethernet |
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****************************************************************************/ |
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static struct resource dm9000_resources[] = { |
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[0] = { |
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.start = TRIZEPS4_ETH_PHYS+0x300, |
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.end = TRIZEPS4_ETH_PHYS+0x400-1, |
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.flags = IORESOURCE_MEM, |
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}, |
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[1] = { |
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.start = TRIZEPS4_ETH_PHYS+0x8300, |
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.end = TRIZEPS4_ETH_PHYS+0x8400-1, |
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.flags = IORESOURCE_MEM, |
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}, |
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[2] = { |
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.start = TRIZEPS4_ETH_IRQ, |
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.end = TRIZEPS4_ETH_IRQ, |
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, |
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}, |
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}; |
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static struct dm9000_plat_data tri_dm9000_platdata = { |
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.flags = DM9000_PLATF_32BITONLY, |
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}; |
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static struct platform_device dm9000_device = { |
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.name = "dm9000", |
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.id = -1, |
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.num_resources = ARRAY_SIZE(dm9000_resources), |
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.resource = dm9000_resources, |
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.dev = { |
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.platform_data = &tri_dm9000_platdata, |
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} |
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}; |
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/**************************************************************************** |
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* LED's on GPIO pins of PXA |
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****************************************************************************/ |
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static struct gpio_led trizeps4_led[] = { |
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#ifdef STATUS_LEDS_ON_STUART_PINS |
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{ |
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.name = "led0:orange:heartbeat", /* */ |
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.default_trigger = "heartbeat", |
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.gpio = GPIO_HEARTBEAT_LED, |
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.active_low = 1, |
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}, |
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{ |
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.name = "led1:yellow:cpubusy", /* */ |
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.default_trigger = "cpu-busy", |
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.gpio = GPIO_SYS_BUSY_LED, |
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.active_low = 1, |
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}, |
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#endif |
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}; |
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static struct gpio_led_platform_data trizeps4_led_data = { |
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.leds = trizeps4_led, |
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.num_leds = ARRAY_SIZE(trizeps4_led), |
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}; |
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static struct platform_device leds_devices = { |
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.name = "leds-gpio", |
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.id = -1, |
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.dev = { |
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.platform_data = &trizeps4_led_data, |
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}, |
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}; |
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static struct platform_device *trizeps4_devices[] __initdata = { |
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&flash_device, |
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&dm9000_device, |
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&leds_devices, |
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}; |
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static struct platform_device *trizeps4wl_devices[] __initdata = { |
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&flash_device, |
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&leds_devices, |
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}; |
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static short trizeps_conxs_bcr; |
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/* PCCARD power switching supports only 3,3V */ |
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void board_pcmcia_power(int power) |
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{ |
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if (power) { |
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/* switch power on, put in reset and enable buffers */ |
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trizeps_conxs_bcr |= power; |
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trizeps_conxs_bcr |= ConXS_BCR_CF_RESET; |
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trizeps_conxs_bcr &= ~ConXS_BCR_CF_BUF_EN; |
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BCR_writew(trizeps_conxs_bcr); |
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/* wait a little */ |
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udelay(2000); |
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/* take reset away */ |
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trizeps_conxs_bcr &= ~ConXS_BCR_CF_RESET; |
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BCR_writew(trizeps_conxs_bcr); |
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udelay(2000); |
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} else { |
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/* put in reset */ |
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trizeps_conxs_bcr |= ConXS_BCR_CF_RESET; |
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BCR_writew(trizeps_conxs_bcr); |
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udelay(1000); |
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/* switch power off */ |
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trizeps_conxs_bcr &= ~0xf; |
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BCR_writew(trizeps_conxs_bcr); |
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} |
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pr_debug("%s: o%s 0x%x\n", __func__, power ? "n" : "ff", |
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trizeps_conxs_bcr); |
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} |
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EXPORT_SYMBOL(board_pcmcia_power); |
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/* backlight power switching for LCD panel */ |
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static void board_backlight_power(int on) |
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{ |
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if (on) |
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trizeps_conxs_bcr |= ConXS_BCR_L_DISP; |
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else |
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trizeps_conxs_bcr &= ~ConXS_BCR_L_DISP; |
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pr_debug("%s: o%s 0x%x\n", __func__, on ? "n" : "ff", |
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trizeps_conxs_bcr); |
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BCR_writew(trizeps_conxs_bcr); |
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} |
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/* a I2C based RTC is known on CONXS board */ |
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static struct i2c_board_info trizeps4_i2c_devices[] __initdata = { |
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{ I2C_BOARD_INFO("rtc-pcf8593", 0x51) } |
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}; |
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/**************************************************************************** |
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* MMC card slot external to module |
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****************************************************************************/ |
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static int trizeps4_mci_init(struct device *dev, irq_handler_t mci_detect_int, |
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void *data) |
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{ |
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int err; |
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err = request_irq(TRIZEPS4_MMC_IRQ, mci_detect_int, |
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IRQF_TRIGGER_RISING, "MMC card detect", data); |
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if (err) { |
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printk(KERN_ERR "trizeps4_mci_init: MMC/SD: can't request" |
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"MMC card detect IRQ\n"); |
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return -1; |
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} |
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return 0; |
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} |
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static void trizeps4_mci_exit(struct device *dev, void *data) |
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{ |
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free_irq(TRIZEPS4_MMC_IRQ, data); |
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} |
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static struct pxamci_platform_data trizeps4_mci_platform_data = { |
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.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, |
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.detect_delay_ms= 10, |
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.init = trizeps4_mci_init, |
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.exit = trizeps4_mci_exit, |
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.get_ro = NULL, /* write-protection not supported */ |
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.setpower = NULL, /* power-switching not supported */ |
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}; |
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/**************************************************************************** |
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* IRDA mode switching on stuart |
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****************************************************************************/ |
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#ifndef STATUS_LEDS_ON_STUART_PINS |
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static short trizeps_conxs_ircr; |
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static int trizeps4_irda_startup(struct device *dev) |
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{ |
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trizeps_conxs_ircr &= ~ConXS_IRCR_SD; |
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IRCR_writew(trizeps_conxs_ircr); |
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return 0; |
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} |
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static void trizeps4_irda_shutdown(struct device *dev) |
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{ |
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trizeps_conxs_ircr |= ConXS_IRCR_SD; |
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IRCR_writew(trizeps_conxs_ircr); |
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} |
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static void trizeps4_irda_transceiver_mode(struct device *dev, int mode) |
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{ |
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unsigned long flags; |
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local_irq_save(flags); |
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/* Switch mode */ |
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if (mode & IR_SIRMODE) |
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trizeps_conxs_ircr &= ~ConXS_IRCR_MODE; /* Slow mode */ |
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else if (mode & IR_FIRMODE) |
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trizeps_conxs_ircr |= ConXS_IRCR_MODE; /* Fast mode */ |
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/* Switch power */ |
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if (mode & IR_OFF) |
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trizeps_conxs_ircr |= ConXS_IRCR_SD; |
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else |
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trizeps_conxs_ircr &= ~ConXS_IRCR_SD; |
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IRCR_writew(trizeps_conxs_ircr); |
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local_irq_restore(flags); |
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pxa2xx_transceiver_mode(dev, mode); |
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} |
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static struct pxaficp_platform_data trizeps4_ficp_platform_data = { |
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.gpio_pwdown = -1, |
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.transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF, |
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.transceiver_mode = trizeps4_irda_transceiver_mode, |
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.startup = trizeps4_irda_startup, |
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.shutdown = trizeps4_irda_shutdown, |
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}; |
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#endif |
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/**************************************************************************** |
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* OHCI USB port |
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****************************************************************************/ |
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static struct pxaohci_platform_data trizeps4_ohci_platform_data = { |
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.port_mode = PMM_PERPORT_MODE, |
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.flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW, |
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}; |
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static struct map_desc trizeps4_io_desc[] __initdata = { |
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{ /* ConXS CFSR */ |
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.virtual = TRIZEPS4_CFSR_VIRT, |
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.pfn = __phys_to_pfn(TRIZEPS4_CFSR_PHYS), |
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.length = 0x00001000, |
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.type = MT_DEVICE |
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}, |
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{ /* ConXS BCR */ |
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.virtual = TRIZEPS4_BOCR_VIRT, |
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.pfn = __phys_to_pfn(TRIZEPS4_BOCR_PHYS), |
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.length = 0x00001000, |
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.type = MT_DEVICE |
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}, |
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{ /* ConXS IRCR */ |
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.virtual = TRIZEPS4_IRCR_VIRT, |
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.pfn = __phys_to_pfn(TRIZEPS4_IRCR_PHYS), |
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.length = 0x00001000, |
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.type = MT_DEVICE |
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}, |
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{ /* ConXS DCR */ |
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.virtual = TRIZEPS4_DICR_VIRT, |
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.pfn = __phys_to_pfn(TRIZEPS4_DICR_PHYS), |
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.length = 0x00001000, |
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.type = MT_DEVICE |
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}, |
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{ /* ConXS UPSR */ |
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.virtual = TRIZEPS4_UPSR_VIRT, |
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.pfn = __phys_to_pfn(TRIZEPS4_UPSR_PHYS), |
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.length = 0x00001000, |
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.type = MT_DEVICE |
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} |
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}; |
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static struct pxafb_mode_info sharp_lcd_mode = { |
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.pixclock = 78000, |
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.xres = 640, |
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.yres = 480, |
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.bpp = 8, |
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.hsync_len = 4, |
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.left_margin = 4, |
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.right_margin = 4, |
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.vsync_len = 2, |
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.upper_margin = 0, |
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.lower_margin = 0, |
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.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, |
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.cmap_greyscale = 0, |
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}; |
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static struct pxafb_mach_info sharp_lcd = { |
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.modes = &sharp_lcd_mode, |
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.num_modes = 1, |
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.lcd_conn = LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL, |
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.cmap_inverse = 0, |
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.cmap_static = 0, |
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.pxafb_backlight_power = board_backlight_power, |
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}; |
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static struct pxafb_mode_info toshiba_lcd_mode = { |
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.pixclock = 39720, |
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.xres = 640, |
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.yres = 480, |
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.bpp = 8, |
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.hsync_len = 63, |
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.left_margin = 12, |
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.right_margin = 12, |
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.vsync_len = 4, |
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.upper_margin = 32, |
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.lower_margin = 10, |
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.sync = 0, |
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.cmap_greyscale = 0, |
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}; |
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static struct pxafb_mach_info toshiba_lcd = { |
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.modes = &toshiba_lcd_mode, |
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.num_modes = 1, |
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.lcd_conn = (LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL), |
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.cmap_inverse = 0, |
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.cmap_static = 0, |
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.pxafb_backlight_power = board_backlight_power, |
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}; |
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static void __init trizeps4_init(void) |
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{ |
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pxa2xx_mfp_config(ARRAY_AND_SIZE(trizeps4_pin_config)); |
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if (machine_is_trizeps4wl()) { |
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pxa2xx_mfp_config(ARRAY_AND_SIZE(trizeps4wl_pin_config)); |
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platform_add_devices(trizeps4wl_devices, |
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ARRAY_SIZE(trizeps4wl_devices)); |
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} else { |
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platform_add_devices(trizeps4_devices, |
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ARRAY_SIZE(trizeps4_devices)); |
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} |
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pxa_set_ffuart_info(NULL); |
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pxa_set_btuart_info(NULL); |
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pxa_set_stuart_info(NULL); |
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if (0) /* dont know how to determine LCD */ |
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pxa_set_fb_info(NULL, &sharp_lcd); |
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else |
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pxa_set_fb_info(NULL, &toshiba_lcd); |
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pxa_set_mci_info(&trizeps4_mci_platform_data); |
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#ifndef STATUS_LEDS_ON_STUART_PINS |
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pxa_set_ficp_info(&trizeps4_ficp_platform_data); |
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#endif |
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pxa_set_ohci_info(&trizeps4_ohci_platform_data); |
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pxa_set_ac97_info(NULL); |
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pxa_set_i2c_info(NULL); |
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i2c_register_board_info(0, trizeps4_i2c_devices, |
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ARRAY_SIZE(trizeps4_i2c_devices)); |
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|
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/* this is the reset value */ |
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trizeps_conxs_bcr = 0x00A0; |
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BCR_writew(trizeps_conxs_bcr); |
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board_backlight_power(1); |
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regulator_has_full_constraints(); |
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} |
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static void __init trizeps4_map_io(void) |
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{ |
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pxa27x_map_io(); |
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iotable_init(trizeps4_io_desc, ARRAY_SIZE(trizeps4_io_desc)); |
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|
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if ((__raw_readl(MSC0) & 0x8) && (__raw_readl(BOOT_DEF) & 0x1)) { |
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/* if flash is 16 bit wide its a Trizeps4 WL */ |
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__machine_arch_type = MACH_TYPE_TRIZEPS4WL; |
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trizeps4_flash_data[0].width = 2; |
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} else { |
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/* if flash is 32 bit wide its a Trizeps4 */ |
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__machine_arch_type = MACH_TYPE_TRIZEPS4; |
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trizeps4_flash_data[0].width = 4; |
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} |
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} |
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MACHINE_START(TRIZEPS4, "Keith und Koep Trizeps IV module") |
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/* MAINTAINER("Jürgen Schindele") */ |
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.atag_offset = 0x100, |
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.init_machine = trizeps4_init, |
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.map_io = trizeps4_map_io, |
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.nr_irqs = PXA_NR_IRQS, |
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.init_irq = pxa27x_init_irq, |
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.handle_irq = pxa27x_handle_irq, |
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.init_time = pxa_timer_init, |
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.restart = pxa_restart, |
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MACHINE_END |
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|
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MACHINE_START(TRIZEPS4WL, "Keith und Koep Trizeps IV-WL module") |
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/* MAINTAINER("Jürgen Schindele") */ |
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.atag_offset = 0x100, |
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.init_machine = trizeps4_init, |
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.map_io = trizeps4_map_io, |
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.nr_irqs = PXA_NR_IRQS, |
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.init_irq = pxa27x_init_irq, |
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.handle_irq = pxa27x_handle_irq, |
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.init_time = pxa_timer_init, |
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.restart = pxa_restart, |
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MACHINE_END
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