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729 lines
18 KiB
729 lines
18 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* linux/arch/arm/mach-pxa/mainstone.c |
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* |
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* Support for the Intel HCDDBBVA0 Development Platform. |
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* (go figure how they came up with such name...) |
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* |
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* Author: Nicolas Pitre |
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* Created: Nov 05, 2002 |
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* Copyright: MontaVista Software Inc. |
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*/ |
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#include <linux/gpio.h> |
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#include <linux/gpio/gpio-reg.h> |
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#include <linux/gpio/machine.h> |
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#include <linux/init.h> |
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#include <linux/platform_device.h> |
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#include <linux/syscore_ops.h> |
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#include <linux/interrupt.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/mtd/mtd.h> |
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#include <linux/mtd/partitions.h> |
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#include <linux/input.h> |
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#include <linux/gpio_keys.h> |
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#include <linux/pwm.h> |
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#include <linux/pwm_backlight.h> |
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#include <linux/smc91x.h> |
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#include <linux/platform_data/i2c-pxa.h> |
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#include <linux/slab.h> |
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#include <linux/leds.h> |
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|
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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 <mach/hardware.h> |
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#include <asm/irq.h> |
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#include <linux/sizes.h> |
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|
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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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|
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#include "pxa27x.h" |
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#include <mach/mainstone.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 <linux/platform_data/keypad-pxa27x.h> |
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#include <mach/smemc.h> |
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|
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#include "generic.h" |
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#include "devices.h" |
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|
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static unsigned long mainstone_pin_config[] = { |
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/* Chip Select */ |
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GPIO15_nCS_1, |
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|
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/* LCD - 16bpp Active TFT */ |
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GPIOxx_LCD_TFT_16BPP, |
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GPIO16_PWM0_OUT, /* Backlight */ |
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|
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/* MMC */ |
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GPIO32_MMC_CLK, |
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GPIO112_MMC_CMD, |
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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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|
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/* USB Host Port 1 */ |
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GPIO88_USBH1_PWR, |
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GPIO89_USBH1_PEN, |
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|
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/* PC Card */ |
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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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GPIO85_nPCE_1, |
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GPIO54_nPCE_2, |
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GPIO79_PSKTSEL, |
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GPIO55_nPREG, |
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GPIO56_nPWAIT, |
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GPIO57_nIOIS16, |
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|
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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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GPIO45_AC97_SYSCLK, |
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|
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/* Keypad */ |
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GPIO93_KP_DKIN_0, |
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GPIO94_KP_DKIN_1, |
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GPIO95_KP_DKIN_2, |
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GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH, |
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GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH, |
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GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH, |
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GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH, |
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GPIO98_KP_MKIN_4 | WAKEUP_ON_LEVEL_HIGH, |
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GPIO99_KP_MKIN_5 | WAKEUP_ON_LEVEL_HIGH, |
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GPIO103_KP_MKOUT_0, |
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GPIO104_KP_MKOUT_1, |
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GPIO105_KP_MKOUT_2, |
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GPIO106_KP_MKOUT_3, |
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GPIO107_KP_MKOUT_4, |
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GPIO108_KP_MKOUT_5, |
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GPIO96_KP_MKOUT_6, |
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|
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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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/* GPIO */ |
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GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH, |
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}; |
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static struct resource smc91x_resources[] = { |
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[0] = { |
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.start = (MST_ETH_PHYS + 0x300), |
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.end = (MST_ETH_PHYS + 0xfffff), |
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.flags = IORESOURCE_MEM, |
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}, |
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[1] = { |
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.start = MAINSTONE_IRQ(3), |
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.end = MAINSTONE_IRQ(3), |
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, |
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} |
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}; |
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static struct smc91x_platdata mainstone_smc91x_info = { |
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.flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT | |
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SMC91X_NOWAIT | SMC91X_USE_DMA, |
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.pxa_u16_align4 = true, |
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}; |
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static struct platform_device smc91x_device = { |
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.name = "smc91x", |
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.id = 0, |
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.num_resources = ARRAY_SIZE(smc91x_resources), |
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.resource = smc91x_resources, |
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.dev = { |
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.platform_data = &mainstone_smc91x_info, |
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}, |
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}; |
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static int mst_audio_startup(struct snd_pcm_substream *substream, void *priv) |
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{ |
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if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
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MST_MSCWR2 &= ~MST_MSCWR2_AC97_SPKROFF; |
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return 0; |
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} |
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static void mst_audio_shutdown(struct snd_pcm_substream *substream, void *priv) |
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{ |
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if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
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MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF; |
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} |
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static long mst_audio_suspend_mask; |
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static void mst_audio_suspend(void *priv) |
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{ |
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mst_audio_suspend_mask = MST_MSCWR2; |
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MST_MSCWR2 |= MST_MSCWR2_AC97_SPKROFF; |
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} |
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static void mst_audio_resume(void *priv) |
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{ |
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MST_MSCWR2 &= mst_audio_suspend_mask | ~MST_MSCWR2_AC97_SPKROFF; |
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} |
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static pxa2xx_audio_ops_t mst_audio_ops = { |
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.startup = mst_audio_startup, |
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.shutdown = mst_audio_shutdown, |
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.suspend = mst_audio_suspend, |
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.resume = mst_audio_resume, |
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}; |
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static struct resource flash_resources[] = { |
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[0] = { |
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.start = PXA_CS0_PHYS, |
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.end = PXA_CS0_PHYS + SZ_64M - 1, |
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.flags = IORESOURCE_MEM, |
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}, |
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[1] = { |
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.start = PXA_CS1_PHYS, |
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.end = PXA_CS1_PHYS + SZ_64M - 1, |
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.flags = IORESOURCE_MEM, |
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}, |
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}; |
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static struct mtd_partition mainstoneflash0_partitions[] = { |
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{ |
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.name = "Bootloader", |
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.size = 0x00040000, |
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.offset = 0, |
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.mask_flags = MTD_WRITEABLE /* force read-only */ |
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},{ |
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.name = "Kernel", |
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.size = 0x00400000, |
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.offset = 0x00040000, |
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},{ |
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.name = "Filesystem", |
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.size = MTDPART_SIZ_FULL, |
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.offset = 0x00440000 |
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} |
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}; |
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static struct flash_platform_data mst_flash_data[2] = { |
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{ |
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.map_name = "cfi_probe", |
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.parts = mainstoneflash0_partitions, |
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.nr_parts = ARRAY_SIZE(mainstoneflash0_partitions), |
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}, { |
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.map_name = "cfi_probe", |
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.parts = NULL, |
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.nr_parts = 0, |
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} |
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}; |
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static struct platform_device mst_flash_device[2] = { |
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{ |
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.name = "pxa2xx-flash", |
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.id = 0, |
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.dev = { |
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.platform_data = &mst_flash_data[0], |
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}, |
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.resource = &flash_resources[0], |
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.num_resources = 1, |
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}, |
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{ |
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.name = "pxa2xx-flash", |
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.id = 1, |
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.dev = { |
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.platform_data = &mst_flash_data[1], |
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}, |
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.resource = &flash_resources[1], |
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.num_resources = 1, |
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}, |
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}; |
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#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) |
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static struct pwm_lookup mainstone_pwm_lookup[] = { |
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PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight.0", NULL, 78770, |
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PWM_POLARITY_NORMAL), |
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}; |
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static struct platform_pwm_backlight_data mainstone_backlight_data = { |
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.max_brightness = 1023, |
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.dft_brightness = 1023, |
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}; |
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static struct platform_device mainstone_backlight_device = { |
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.name = "pwm-backlight", |
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.dev = { |
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.parent = &pxa27x_device_pwm0.dev, |
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.platform_data = &mainstone_backlight_data, |
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}, |
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}; |
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static void __init mainstone_backlight_register(void) |
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{ |
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int ret; |
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pwm_add_table(mainstone_pwm_lookup, ARRAY_SIZE(mainstone_pwm_lookup)); |
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ret = platform_device_register(&mainstone_backlight_device); |
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if (ret) { |
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printk(KERN_ERR "mainstone: failed to register backlight device: %d\n", ret); |
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pwm_remove_table(mainstone_pwm_lookup, |
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ARRAY_SIZE(mainstone_pwm_lookup)); |
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} |
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} |
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#else |
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#define mainstone_backlight_register() do { } while (0) |
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#endif |
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static struct pxafb_mode_info toshiba_ltm04c380k_mode = { |
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.pixclock = 50000, |
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.xres = 640, |
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.yres = 480, |
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.bpp = 16, |
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.hsync_len = 1, |
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.left_margin = 0x9f, |
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.right_margin = 1, |
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.vsync_len = 44, |
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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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}; |
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static struct pxafb_mode_info toshiba_ltm035a776c_mode = { |
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.pixclock = 110000, |
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.xres = 240, |
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.yres = 320, |
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.bpp = 16, |
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.hsync_len = 4, |
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.left_margin = 8, |
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.right_margin = 20, |
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.vsync_len = 3, |
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.upper_margin = 1, |
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.lower_margin = 10, |
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.sync = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT, |
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}; |
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static struct pxafb_mach_info mainstone_pxafb_info = { |
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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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}; |
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static int mainstone_mci_init(struct device *dev, irq_handler_t mstone_detect_int, void *data) |
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{ |
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int err; |
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|
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/* make sure SD/Memory Stick multiplexer's signals |
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* are routed to MMC controller |
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*/ |
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MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL; |
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err = request_irq(MAINSTONE_MMC_IRQ, mstone_detect_int, 0, |
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"MMC card detect", data); |
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if (err) |
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printk(KERN_ERR "mainstone_mci_init: MMC/SD: can't request MMC card detect IRQ\n"); |
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return err; |
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} |
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static int mainstone_mci_setpower(struct device *dev, unsigned int vdd) |
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{ |
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struct pxamci_platform_data* p_d = dev->platform_data; |
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if (( 1 << vdd) & p_d->ocr_mask) { |
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printk(KERN_DEBUG "%s: on\n", __func__); |
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MST_MSCWR1 |= MST_MSCWR1_MMC_ON; |
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MST_MSCWR1 &= ~MST_MSCWR1_MS_SEL; |
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} else { |
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printk(KERN_DEBUG "%s: off\n", __func__); |
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MST_MSCWR1 &= ~MST_MSCWR1_MMC_ON; |
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} |
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return 0; |
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} |
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static void mainstone_mci_exit(struct device *dev, void *data) |
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{ |
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free_irq(MAINSTONE_MMC_IRQ, data); |
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} |
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static struct pxamci_platform_data mainstone_mci_platform_data = { |
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.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, |
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.init = mainstone_mci_init, |
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.setpower = mainstone_mci_setpower, |
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.exit = mainstone_mci_exit, |
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}; |
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static void mainstone_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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if (mode & IR_SIRMODE) { |
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MST_MSCWR1 &= ~MST_MSCWR1_IRDA_FIR; |
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} else if (mode & IR_FIRMODE) { |
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MST_MSCWR1 |= MST_MSCWR1_IRDA_FIR; |
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} |
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pxa2xx_transceiver_mode(dev, mode); |
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if (mode & IR_OFF) { |
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MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_OFF; |
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} else { |
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MST_MSCWR1 = (MST_MSCWR1 & ~MST_MSCWR1_IRDA_MASK) | MST_MSCWR1_IRDA_FULL; |
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} |
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local_irq_restore(flags); |
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} |
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static struct pxaficp_platform_data mainstone_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 = mainstone_irda_transceiver_mode, |
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}; |
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static struct gpio_keys_button gpio_keys_button[] = { |
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[0] = { |
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.desc = "wakeup", |
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.code = KEY_SUSPEND, |
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.type = EV_KEY, |
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.gpio = 1, |
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.wakeup = 1, |
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}, |
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}; |
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static struct gpio_keys_platform_data mainstone_gpio_keys = { |
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.buttons = gpio_keys_button, |
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.nbuttons = 1, |
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}; |
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static struct platform_device mst_gpio_keys_device = { |
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.name = "gpio-keys", |
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.id = -1, |
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.dev = { |
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.platform_data = &mainstone_gpio_keys, |
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}, |
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}; |
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static struct resource mst_cplds_resources[] = { |
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[0] = { |
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.start = MST_FPGA_PHYS + 0xc0, |
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.end = MST_FPGA_PHYS + 0xe0 - 1, |
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.flags = IORESOURCE_MEM, |
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}, |
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[1] = { |
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.start = PXA_GPIO_TO_IRQ(0), |
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.end = PXA_GPIO_TO_IRQ(0), |
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE, |
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}, |
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[2] = { |
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.start = MAINSTONE_IRQ(0), |
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.end = MAINSTONE_IRQ(15), |
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.flags = IORESOURCE_IRQ, |
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}, |
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}; |
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static struct platform_device mst_cplds_device = { |
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.name = "pxa_cplds_irqs", |
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.id = -1, |
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.resource = &mst_cplds_resources[0], |
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.num_resources = 3, |
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}; |
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|
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static struct platform_device *platform_devices[] __initdata = { |
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&smc91x_device, |
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&mst_flash_device[0], |
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&mst_flash_device[1], |
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&mst_gpio_keys_device, |
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&mst_cplds_device, |
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}; |
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|
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static struct pxaohci_platform_data mainstone_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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|
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#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE) |
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static const unsigned int mainstone_matrix_keys[] = { |
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KEY(0, 0, KEY_A), KEY(1, 0, KEY_B), KEY(2, 0, KEY_C), |
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KEY(3, 0, KEY_D), KEY(4, 0, KEY_E), KEY(5, 0, KEY_F), |
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KEY(0, 1, KEY_G), KEY(1, 1, KEY_H), KEY(2, 1, KEY_I), |
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KEY(3, 1, KEY_J), KEY(4, 1, KEY_K), KEY(5, 1, KEY_L), |
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KEY(0, 2, KEY_M), KEY(1, 2, KEY_N), KEY(2, 2, KEY_O), |
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KEY(3, 2, KEY_P), KEY(4, 2, KEY_Q), KEY(5, 2, KEY_R), |
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KEY(0, 3, KEY_S), KEY(1, 3, KEY_T), KEY(2, 3, KEY_U), |
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KEY(3, 3, KEY_V), KEY(4, 3, KEY_W), KEY(5, 3, KEY_X), |
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KEY(2, 4, KEY_Y), KEY(3, 4, KEY_Z), |
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|
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KEY(0, 4, KEY_DOT), /* . */ |
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KEY(1, 4, KEY_CLOSE), /* @ */ |
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KEY(4, 4, KEY_SLASH), |
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KEY(5, 4, KEY_BACKSLASH), |
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KEY(0, 5, KEY_HOME), |
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KEY(1, 5, KEY_LEFTSHIFT), |
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KEY(2, 5, KEY_SPACE), |
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KEY(3, 5, KEY_SPACE), |
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KEY(4, 5, KEY_ENTER), |
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KEY(5, 5, KEY_BACKSPACE), |
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|
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KEY(0, 6, KEY_UP), |
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KEY(1, 6, KEY_DOWN), |
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KEY(2, 6, KEY_LEFT), |
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KEY(3, 6, KEY_RIGHT), |
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KEY(4, 6, KEY_SELECT), |
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}; |
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|
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static struct matrix_keymap_data mainstone_matrix_keymap_data = { |
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.keymap = mainstone_matrix_keys, |
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.keymap_size = ARRAY_SIZE(mainstone_matrix_keys), |
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}; |
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|
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struct pxa27x_keypad_platform_data mainstone_keypad_info = { |
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.matrix_key_rows = 6, |
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.matrix_key_cols = 7, |
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.matrix_keymap_data = &mainstone_matrix_keymap_data, |
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|
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.enable_rotary0 = 1, |
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.rotary0_up_key = KEY_UP, |
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.rotary0_down_key = KEY_DOWN, |
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|
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.debounce_interval = 30, |
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}; |
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static void __init mainstone_init_keypad(void) |
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{ |
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pxa_set_keypad_info(&mainstone_keypad_info); |
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} |
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#else |
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static inline void mainstone_init_keypad(void) {} |
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#endif |
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|
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static int mst_pcmcia0_irqs[11] = { |
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[0 ... 4] = -1, |
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[5] = MAINSTONE_S0_CD_IRQ, |
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[6 ... 7] = -1, |
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[8] = MAINSTONE_S0_STSCHG_IRQ, |
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[9] = -1, |
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[10] = MAINSTONE_S0_IRQ, |
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}; |
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|
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static int mst_pcmcia1_irqs[11] = { |
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[0 ... 4] = -1, |
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[5] = MAINSTONE_S1_CD_IRQ, |
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[6 ... 7] = -1, |
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[8] = MAINSTONE_S1_STSCHG_IRQ, |
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[9] = -1, |
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[10] = MAINSTONE_S1_IRQ, |
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}; |
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|
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static struct gpiod_lookup_table mainstone_pcmcia_gpio_table = { |
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.dev_id = "pxa2xx-pcmcia", |
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.table = { |
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GPIO_LOOKUP("mst-pcmcia0", 0, "a0vpp", GPIO_ACTIVE_HIGH), |
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GPIO_LOOKUP("mst-pcmcia0", 1, "a1vpp", GPIO_ACTIVE_HIGH), |
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GPIO_LOOKUP("mst-pcmcia0", 2, "a0vcc", GPIO_ACTIVE_HIGH), |
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GPIO_LOOKUP("mst-pcmcia0", 3, "a1vcc", GPIO_ACTIVE_HIGH), |
|
GPIO_LOOKUP("mst-pcmcia0", 4, "areset", GPIO_ACTIVE_HIGH), |
|
GPIO_LOOKUP("mst-pcmcia0", 5, "adetect", GPIO_ACTIVE_LOW), |
|
GPIO_LOOKUP("mst-pcmcia0", 6, "avs1", GPIO_ACTIVE_LOW), |
|
GPIO_LOOKUP("mst-pcmcia0", 7, "avs2", GPIO_ACTIVE_LOW), |
|
GPIO_LOOKUP("mst-pcmcia0", 8, "abvd1", GPIO_ACTIVE_HIGH), |
|
GPIO_LOOKUP("mst-pcmcia0", 9, "abvd2", GPIO_ACTIVE_HIGH), |
|
GPIO_LOOKUP("mst-pcmcia0", 10, "aready", GPIO_ACTIVE_HIGH), |
|
GPIO_LOOKUP("mst-pcmcia1", 0, "b0vpp", GPIO_ACTIVE_HIGH), |
|
GPIO_LOOKUP("mst-pcmcia1", 1, "b1vpp", GPIO_ACTIVE_HIGH), |
|
GPIO_LOOKUP("mst-pcmcia1", 2, "b0vcc", GPIO_ACTIVE_HIGH), |
|
GPIO_LOOKUP("mst-pcmcia1", 3, "b1vcc", GPIO_ACTIVE_HIGH), |
|
GPIO_LOOKUP("mst-pcmcia1", 4, "breset", GPIO_ACTIVE_HIGH), |
|
GPIO_LOOKUP("mst-pcmcia1", 5, "bdetect", GPIO_ACTIVE_LOW), |
|
GPIO_LOOKUP("mst-pcmcia1", 6, "bvs1", GPIO_ACTIVE_LOW), |
|
GPIO_LOOKUP("mst-pcmcia1", 7, "bvs2", GPIO_ACTIVE_LOW), |
|
GPIO_LOOKUP("mst-pcmcia1", 8, "bbvd1", GPIO_ACTIVE_HIGH), |
|
GPIO_LOOKUP("mst-pcmcia1", 9, "bbvd2", GPIO_ACTIVE_HIGH), |
|
GPIO_LOOKUP("mst-pcmcia1", 10, "bready", GPIO_ACTIVE_HIGH), |
|
{ }, |
|
}, |
|
}; |
|
|
|
static void __init mainstone_init(void) |
|
{ |
|
int SW7 = 0; /* FIXME: get from SCR (Mst doc section 3.2.1.1) */ |
|
|
|
pxa2xx_mfp_config(ARRAY_AND_SIZE(mainstone_pin_config)); |
|
|
|
/* Register board control register(s) as GPIOs */ |
|
gpio_reg_init(NULL, (void __iomem *)&MST_PCMCIA0, -1, 11, |
|
"mst-pcmcia0", MST_PCMCIA_INPUTS, 0, NULL, |
|
NULL, mst_pcmcia0_irqs); |
|
gpio_reg_init(NULL, (void __iomem *)&MST_PCMCIA1, -1, 11, |
|
"mst-pcmcia1", MST_PCMCIA_INPUTS, 0, NULL, |
|
NULL, mst_pcmcia1_irqs); |
|
gpiod_add_lookup_table(&mainstone_pcmcia_gpio_table); |
|
|
|
pxa_set_ffuart_info(NULL); |
|
pxa_set_btuart_info(NULL); |
|
pxa_set_stuart_info(NULL); |
|
|
|
mst_flash_data[0].width = (__raw_readl(BOOT_DEF) & 1) ? 2 : 4; |
|
mst_flash_data[1].width = 4; |
|
|
|
/* Compensate for SW7 which swaps the flash banks */ |
|
mst_flash_data[SW7].name = "processor-flash"; |
|
mst_flash_data[SW7 ^ 1].name = "mainboard-flash"; |
|
|
|
printk(KERN_NOTICE "Mainstone configured to boot from %s\n", |
|
mst_flash_data[0].name); |
|
|
|
/* system bus arbiter setting |
|
* - Core_Park |
|
* - LCD_wt:DMA_wt:CORE_Wt = 2:3:4 |
|
*/ |
|
ARB_CNTRL = ARB_CORE_PARK | 0x234; |
|
|
|
platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); |
|
|
|
/* reading Mainstone's "Virtual Configuration Register" |
|
might be handy to select LCD type here */ |
|
if (0) |
|
mainstone_pxafb_info.modes = &toshiba_ltm04c380k_mode; |
|
else |
|
mainstone_pxafb_info.modes = &toshiba_ltm035a776c_mode; |
|
|
|
pxa_set_fb_info(NULL, &mainstone_pxafb_info); |
|
mainstone_backlight_register(); |
|
|
|
pxa_set_mci_info(&mainstone_mci_platform_data); |
|
pxa_set_ficp_info(&mainstone_ficp_platform_data); |
|
pxa_set_ohci_info(&mainstone_ohci_platform_data); |
|
pxa_set_i2c_info(NULL); |
|
pxa_set_ac97_info(&mst_audio_ops); |
|
|
|
mainstone_init_keypad(); |
|
} |
|
|
|
|
|
static struct map_desc mainstone_io_desc[] __initdata = { |
|
{ /* CPLD */ |
|
.virtual = MST_FPGA_VIRT, |
|
.pfn = __phys_to_pfn(MST_FPGA_PHYS), |
|
.length = 0x00100000, |
|
.type = MT_DEVICE |
|
} |
|
}; |
|
|
|
static void __init mainstone_map_io(void) |
|
{ |
|
pxa27x_map_io(); |
|
iotable_init(mainstone_io_desc, ARRAY_SIZE(mainstone_io_desc)); |
|
|
|
/* for use I SRAM as framebuffer. */ |
|
PSLR |= 0xF04; |
|
PCFR = 0x66; |
|
} |
|
|
|
/* |
|
* Driver for the 8 discrete LEDs available for general use: |
|
* Note: bits [15-8] are used to enable/blank the 8 7 segment hex displays |
|
* so be sure to not monkey with them here. |
|
*/ |
|
|
|
#if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS) |
|
struct mainstone_led { |
|
struct led_classdev cdev; |
|
u8 mask; |
|
}; |
|
|
|
/* |
|
* The triggers lines up below will only be used if the |
|
* LED triggers are compiled in. |
|
*/ |
|
static const struct { |
|
const char *name; |
|
const char *trigger; |
|
} mainstone_leds[] = { |
|
{ "mainstone:D28", "default-on", }, |
|
{ "mainstone:D27", "cpu0", }, |
|
{ "mainstone:D26", "heartbeat" }, |
|
{ "mainstone:D25", }, |
|
{ "mainstone:D24", }, |
|
{ "mainstone:D23", }, |
|
{ "mainstone:D22", }, |
|
{ "mainstone:D21", }, |
|
}; |
|
|
|
static void mainstone_led_set(struct led_classdev *cdev, |
|
enum led_brightness b) |
|
{ |
|
struct mainstone_led *led = container_of(cdev, |
|
struct mainstone_led, cdev); |
|
u32 reg = MST_LEDCTRL; |
|
|
|
if (b != LED_OFF) |
|
reg |= led->mask; |
|
else |
|
reg &= ~led->mask; |
|
|
|
MST_LEDCTRL = reg; |
|
} |
|
|
|
static enum led_brightness mainstone_led_get(struct led_classdev *cdev) |
|
{ |
|
struct mainstone_led *led = container_of(cdev, |
|
struct mainstone_led, cdev); |
|
u32 reg = MST_LEDCTRL; |
|
|
|
return (reg & led->mask) ? LED_FULL : LED_OFF; |
|
} |
|
|
|
static int __init mainstone_leds_init(void) |
|
{ |
|
int i; |
|
|
|
if (!machine_is_mainstone()) |
|
return -ENODEV; |
|
|
|
/* All ON */ |
|
MST_LEDCTRL |= 0xff; |
|
for (i = 0; i < ARRAY_SIZE(mainstone_leds); i++) { |
|
struct mainstone_led *led; |
|
|
|
led = kzalloc(sizeof(*led), GFP_KERNEL); |
|
if (!led) |
|
break; |
|
|
|
led->cdev.name = mainstone_leds[i].name; |
|
led->cdev.brightness_set = mainstone_led_set; |
|
led->cdev.brightness_get = mainstone_led_get; |
|
led->cdev.default_trigger = mainstone_leds[i].trigger; |
|
led->mask = BIT(i); |
|
|
|
if (led_classdev_register(NULL, &led->cdev) < 0) { |
|
kfree(led); |
|
break; |
|
} |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
/* |
|
* Since we may have triggers on any subsystem, defer registration |
|
* until after subsystem_init. |
|
*/ |
|
fs_initcall(mainstone_leds_init); |
|
#endif |
|
|
|
MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)") |
|
/* Maintainer: MontaVista Software Inc. */ |
|
.atag_offset = 0x100, /* BLOB boot parameter setting */ |
|
.map_io = mainstone_map_io, |
|
.nr_irqs = MAINSTONE_NR_IRQS, |
|
.init_irq = pxa27x_init_irq, |
|
.handle_irq = pxa27x_handle_irq, |
|
.init_time = pxa_timer_init, |
|
.init_machine = mainstone_init, |
|
.restart = pxa_restart, |
|
MACHINE_END
|
|
|