diff options
Diffstat (limited to 'arch/arm/mach-pxa/tosa.c')
| -rw-r--r-- | arch/arm/mach-pxa/tosa.c | 306 |
1 files changed, 306 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c new file mode 100644 index 00000000000..c312054dfb8 --- /dev/null +++ b/arch/arm/mach-pxa/tosa.c @@ -0,0 +1,306 @@ +/* + * Support for Sharp SL-C6000x PDAs + * Model: (Tosa) + * + * Copyright (c) 2005 Dirk Opfer + * + * Based on code written by Sharp/Lineo for 2.4 kernels + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/device.h> +#include <linux/major.h> +#include <linux/fs.h> +#include <linux/interrupt.h> +#include <linux/mmc/host.h> + +#include <asm/setup.h> +#include <asm/memory.h> +#include <asm/mach-types.h> +#include <asm/hardware.h> +#include <asm/irq.h> +#include <asm/arch/irda.h> +#include <asm/arch/mmc.h> +#include <asm/arch/udc.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <asm/arch/pxa-regs.h> +#include <asm/arch/irq.h> +#include <asm/arch/tosa.h> + +#include <asm/hardware/scoop.h> +#include <asm/mach/sharpsl_param.h> + +#include "generic.h" + + +/* + * SCOOP Device + */ +static struct resource tosa_scoop_resources[] = { + [0] = { + .start = TOSA_CF_PHYS, + .end = TOSA_CF_PHYS + 0xfff, + .flags = IORESOURCE_MEM, + }, +}; + +static struct scoop_config tosa_scoop_setup = { + .io_dir = TOSA_SCOOP_IO_DIR, + .io_out = TOSA_SCOOP_IO_OUT, + +}; + +struct platform_device tosascoop_device = { + .name = "sharp-scoop", + .id = 0, + .dev = { + .platform_data = &tosa_scoop_setup, + }, + .num_resources = ARRAY_SIZE(tosa_scoop_resources), + .resource = tosa_scoop_resources, +}; + + +/* + * SCOOP Device Jacket + */ +static struct resource tosa_scoop_jc_resources[] = { + [0] = { + .start = TOSA_SCOOP_PHYS + 0x40, + .end = TOSA_SCOOP_PHYS + 0xfff, + .flags = IORESOURCE_MEM, + }, +}; + +static struct scoop_config tosa_scoop_jc_setup = { + .io_dir = TOSA_SCOOP_JC_IO_DIR, + .io_out = TOSA_SCOOP_JC_IO_OUT, +}; + +struct platform_device tosascoop_jc_device = { + .name = "sharp-scoop", + .id = 1, + .dev = { + .platform_data = &tosa_scoop_jc_setup, + .parent = &tosascoop_device.dev, + }, + .num_resources = ARRAY_SIZE(tosa_scoop_jc_resources), + .resource = tosa_scoop_jc_resources, +}; + +/* + * PCMCIA + */ +static struct scoop_pcmcia_dev tosa_pcmcia_scoop[] = { +{ + .dev = &tosascoop_device.dev, + .irq = TOSA_IRQ_GPIO_CF_IRQ, + .cd_irq = TOSA_IRQ_GPIO_CF_CD, + .cd_irq_str = "PCMCIA0 CD", +},{ + .dev = &tosascoop_jc_device.dev, + .irq = TOSA_IRQ_GPIO_JC_CF_IRQ, + .cd_irq = -1, +}, +}; + +static void tosa_pcmcia_init(void) +{ + /* Setup default state of GPIO outputs + before we enable them as outputs. */ + GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) | + GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) | + GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO52_nPCE_1) | + GPIO_bit(GPIO53_nPCE_2); + + pxa_gpio_mode(GPIO48_nPOE_MD); + pxa_gpio_mode(GPIO49_nPWE_MD); + pxa_gpio_mode(GPIO50_nPIOR_MD); + pxa_gpio_mode(GPIO51_nPIOW_MD); + pxa_gpio_mode(GPIO55_nPREG_MD); + pxa_gpio_mode(GPIO56_nPWAIT_MD); + pxa_gpio_mode(GPIO57_nIOIS16_MD); + pxa_gpio_mode(GPIO52_nPCE_1_MD); + pxa_gpio_mode(GPIO53_nPCE_2_MD); + pxa_gpio_mode(GPIO54_pSKTSEL_MD); +} + +static struct scoop_pcmcia_config tosa_pcmcia_config = { + .devs = &tosa_pcmcia_scoop[0], + .num_devs = 2, + .pcmcia_init = tosa_pcmcia_init, +}; + +/* + * USB Device Controller + */ +static void tosa_udc_command(int cmd) +{ + switch(cmd) { + case PXA2XX_UDC_CMD_CONNECT: + set_scoop_gpio(&tosascoop_jc_device.dev,TOSA_SCOOP_JC_USB_PULLUP); + break; + case PXA2XX_UDC_CMD_DISCONNECT: + reset_scoop_gpio(&tosascoop_jc_device.dev,TOSA_SCOOP_JC_USB_PULLUP); + break; + } +} + +static int tosa_udc_is_connected(void) +{ + return ((GPLR(TOSA_GPIO_USB_IN) & GPIO_bit(TOSA_GPIO_USB_IN)) == 0); +} + + +static struct pxa2xx_udc_mach_info udc_info __initdata = { + .udc_command = tosa_udc_command, + .udc_is_connected = tosa_udc_is_connected, +}; + +/* + * MMC/SD Device + */ +static struct pxamci_platform_data tosa_mci_platform_data; + +static int tosa_mci_init(struct device *dev, irqreturn_t (*tosa_detect_int)(int, void *, struct pt_regs *), void *data) +{ + int err; + + /* setup GPIO for PXA25x MMC controller */ + pxa_gpio_mode(GPIO6_MMCCLK_MD); + pxa_gpio_mode(GPIO8_MMCCS0_MD); + pxa_gpio_mode(TOSA_GPIO_nSD_DETECT | GPIO_IN); + + tosa_mci_platform_data.detect_delay = msecs_to_jiffies(250); + + err = request_irq(TOSA_IRQ_GPIO_nSD_DETECT, tosa_detect_int, SA_INTERRUPT, + "MMC/SD card detect", data); + if (err) { + printk(KERN_ERR "tosa_mci_init: MMC/SD: can't request MMC card detect IRQ\n"); + return -1; + } + + set_irq_type(TOSA_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE); + + return 0; +} + +static void tosa_mci_setpower(struct device *dev, unsigned int vdd) +{ + struct pxamci_platform_data* p_d = dev->platform_data; + + if (( 1 << vdd) & p_d->ocr_mask) { + set_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_PWR_ON); + } else { + reset_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_PWR_ON); + } +} + +static int tosa_mci_get_ro(struct device *dev) +{ + return (read_scoop_reg(&tosascoop_device.dev, SCOOP_GPWR)&TOSA_SCOOP_SD_WP); +} + +static void tosa_mci_exit(struct device *dev, void *data) +{ + free_irq(TOSA_IRQ_GPIO_nSD_DETECT, data); +} + +static struct pxamci_platform_data tosa_mci_platform_data = { + .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, + .init = tosa_mci_init, + .get_ro = tosa_mci_get_ro, + .setpower = tosa_mci_setpower, + .exit = tosa_mci_exit, +}; + +/* + * Irda + */ +static void tosa_irda_transceiver_mode(struct device *dev, int mode) +{ + if (mode & IR_OFF) { + reset_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_IR_POWERDWN); + pxa_gpio_mode(GPIO47_STTXD|GPIO_DFLT_LOW); + pxa_gpio_mode(GPIO47_STTXD|GPIO_OUT); + } else { + pxa_gpio_mode(GPIO47_STTXD_MD); + set_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_IR_POWERDWN); + } +} + +static struct pxaficp_platform_data tosa_ficp_platform_data = { + .transceiver_cap = IR_SIRMODE | IR_OFF, + .transceiver_mode = tosa_irda_transceiver_mode, +}; + +/* + * Tosa Keyboard + */ +static struct platform_device tosakbd_device = { + .name = "tosa-keyboard", + .id = -1, +}; + +static struct platform_device *devices[] __initdata = { + &tosascoop_device, + &tosascoop_jc_device, + &tosakbd_device, +}; + +static void __init tosa_init(void) +{ + pxa_gpio_mode(TOSA_GPIO_ON_RESET | GPIO_IN); + pxa_gpio_mode(TOSA_GPIO_TC6393_INT | GPIO_IN); + pxa_gpio_mode(TOSA_GPIO_USB_IN | GPIO_IN); + + /* setup sleep mode values */ + PWER = 0x00000002; + PFER = 0x00000000; + PRER = 0x00000002; + PGSR0 = 0x00000000; + PGSR1 = 0x00FF0002; + PGSR2 = 0x00014000; + PCFR |= PCFR_OPDE; + + /* enable batt_fault */ + PMCR = 0x01; + + pxa_set_mci_info(&tosa_mci_platform_data); + pxa_set_udc_info(&udc_info); + pxa_set_ficp_info(&tosa_ficp_platform_data); + platform_scoop_config = &tosa_pcmcia_config; + + platform_add_devices(devices, ARRAY_SIZE(devices)); +} + +static void __init fixup_tosa(struct machine_desc *desc, + struct tag *tags, char **cmdline, struct meminfo *mi) +{ + sharpsl_save_param(); + mi->nr_banks=1; + mi->bank[0].start = 0xa0000000; + mi->bank[0].node = 0; + mi->bank[0].size = (64*1024*1024); +} + +MACHINE_START(TOSA, "SHARP Tosa") + .phys_ram = 0xa0000000, + .phys_io = 0x40000000, + .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, + .fixup = fixup_tosa, + .map_io = pxa_map_io, + .init_irq = pxa_init_irq, + .init_machine = tosa_init, + .timer = &pxa_timer, +MACHINE_END |