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Diffstat (limited to 'arch/arm/mach-sa1100/h3600.c')
-rw-r--r--arch/arm/mach-sa1100/h3600.c457
1 files changed, 88 insertions, 369 deletions
diff --git a/arch/arm/mach-sa1100/h3600.c b/arch/arm/mach-sa1100/h3600.c
index 0eb2f159578..5be54c214c7 100644
--- a/arch/arm/mach-sa1100/h3600.c
+++ b/arch/arm/mach-sa1100/h3600.c
@@ -1,432 +1,151 @@
/*
- * Hardware definitions for Compaq iPAQ H3xxx Handheld Computers
+ * Support for Compaq iPAQ H3600 handheld computer
*
- * Copyright 2000,1 Compaq Computer Corporation.
+ * Copyright (c) 2000,1 Compaq Computer Corporation. (Author: Jamey Hicks)
+ * Copyright (c) 2009 Dmitry Artamonow <mad_soft@inbox.ru>
*
- * Use consistent with the GNU GPL is permitted,
- * provided that this copyright notice is
- * preserved in its entirety in all copies and derived works.
- *
- * COMPAQ COMPUTER CORPORATION MAKES NO WARRANTIES, EXPRESSED OR IMPLIED,
- * AS TO THE USEFULNESS OR CORRECTNESS OF THIS CODE OR ITS
- * FITNESS FOR ANY PARTICULAR PURPOSE.
- *
- * Author: Jamey Hicks.
- *
- * History:
- *
- * 2001-10-?? Andrew Christian Added support for iPAQ H3800
- * and abstracted EGPIO interface.
+ * 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/module.h>
+
#include <linux/init.h>
#include <linux/kernel.h>
-#include <linux/tty.h>
-#include <linux/pm.h>
-#include <linux/device.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/partitions.h>
-#include <linux/serial_core.h>
+#include <linux/gpio.h>
-#include <asm/irq.h>
-#include <mach/hardware.h>
-#include <asm/mach-types.h>
-#include <asm/setup.h>
+#include <video/sa1100fb.h>
-#include <asm/mach/irq.h>
+#include <asm/mach-types.h>
#include <asm/mach/arch.h>
-#include <asm/mach/flash.h>
#include <asm/mach/irda.h>
-#include <asm/mach/map.h>
-#include <asm/mach/serial_sa1100.h>
-#include <mach/h3600.h>
-#include <mach/h3600_gpio.h>
+#include <mach/h3xxx.h>
+#include <mach/irqs.h>
#include "generic.h"
-void (*assign_h3600_egpio)(enum ipaq_egpio_type x, int level);
-EXPORT_SYMBOL(assign_h3600_egpio);
-
-static struct mtd_partition h3xxx_partitions[] = {
- {
- .name = "H3XXX boot firmware",
- .size = 0x00040000,
- .offset = 0,
- .mask_flags = MTD_WRITEABLE, /* force read-only */
- }, {
- .name = "H3XXX rootfs",
- .size = MTDPART_SIZ_FULL,
- .offset = 0x00040000,
- }
+/*
+ * helper for sa1100fb
+ */
+static struct gpio h3600_lcd_gpio[] = {
+ { H3XXX_EGPIO_LCD_ON, GPIOF_OUT_INIT_LOW, "LCD power" },
+ { H3600_EGPIO_LCD_PCI, GPIOF_OUT_INIT_LOW, "LCD control" },
+ { H3600_EGPIO_LCD_5V_ON, GPIOF_OUT_INIT_LOW, "LCD 5v" },
+ { H3600_EGPIO_LVDD_ON, GPIOF_OUT_INIT_LOW, "LCD 9v/-6.5v" },
};
-static void h3xxx_set_vpp(int vpp)
+static bool h3600_lcd_request(void)
{
- assign_h3600_egpio(IPAQ_EGPIO_VPP_ON, vpp);
-}
+ static bool h3600_lcd_ok;
+ int rc;
-static struct flash_platform_data h3xxx_flash_data = {
- .map_name = "cfi_probe",
- .set_vpp = h3xxx_set_vpp,
- .parts = h3xxx_partitions,
- .nr_parts = ARRAY_SIZE(h3xxx_partitions),
-};
+ if (h3600_lcd_ok)
+ return true;
-static struct resource h3xxx_flash_resource = {
- .start = SA1100_CS0_PHYS,
- .end = SA1100_CS0_PHYS + SZ_32M - 1,
- .flags = IORESOURCE_MEM,
-};
+ rc = gpio_request_array(h3600_lcd_gpio, ARRAY_SIZE(h3600_lcd_gpio));
+ if (rc)
+ pr_err("%s: can't request GPIOs\n", __func__);
+ else
+ h3600_lcd_ok = true;
-/*
- * This turns the IRDA power on or off on the Compaq H3600
- */
-static int h3600_irda_set_power(struct device *dev, unsigned int state)
-{
- assign_h3600_egpio( IPAQ_EGPIO_IR_ON, state );
-
- return 0;
+ return h3600_lcd_ok;
}
-static void h3600_irda_set_speed(struct device *dev, unsigned int speed)
+static void h3600_lcd_power(int enable)
{
- assign_h3600_egpio(IPAQ_EGPIO_IR_FSEL, !(speed < 4000000));
+ if (!h3600_lcd_request())
+ return;
+
+ gpio_direction_output(H3XXX_EGPIO_LCD_ON, enable);
+ gpio_direction_output(H3600_EGPIO_LCD_PCI, enable);
+ gpio_direction_output(H3600_EGPIO_LCD_5V_ON, enable);
+ gpio_direction_output(H3600_EGPIO_LVDD_ON, enable);
}
-static struct irda_platform_data h3600_irda_data = {
- .set_power = h3600_irda_set_power,
- .set_speed = h3600_irda_set_speed,
+static const struct sa1100fb_rgb h3600_rgb_16 = {
+ .red = { .offset = 12, .length = 4, },
+ .green = { .offset = 7, .length = 4, },
+ .blue = { .offset = 1, .length = 4, },
+ .transp = { .offset = 0, .length = 0, },
};
-static void h3xxx_mach_init(void)
-{
- sa11x0_set_flash_data(&h3xxx_flash_data, &h3xxx_flash_resource, 1);
- sa11x0_set_irda_data(&h3600_irda_data);
-}
+static struct sa1100fb_mach_info h3600_lcd_info = {
+ .pixclock = 174757, .bpp = 16,
+ .xres = 320, .yres = 240,
-/*
- * low-level UART features
- */
+ .hsync_len = 3, .vsync_len = 3,
+ .left_margin = 12, .upper_margin = 10,
+ .right_margin = 17, .lower_margin = 1,
-static void h3600_uart_set_mctrl(struct uart_port *port, u_int mctrl)
-{
- if (port->mapbase == _Ser3UTCR0) {
- if (mctrl & TIOCM_RTS)
- GPCR = GPIO_H3600_COM_RTS;
- else
- GPSR = GPIO_H3600_COM_RTS;
- }
-}
+ .cmap_static = 1,
-static u_int h3600_uart_get_mctrl(struct uart_port *port)
-{
- u_int ret = TIOCM_CD | TIOCM_CTS | TIOCM_DSR;
+ .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
+ .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2),
- if (port->mapbase == _Ser3UTCR0) {
- int gplr = GPLR;
- /* DCD and CTS bits are inverted in GPLR by RS232 transceiver */
- if (gplr & GPIO_H3600_COM_DCD)
- ret &= ~TIOCM_CD;
- if (gplr & GPIO_H3600_COM_CTS)
- ret &= ~TIOCM_CTS;
- }
+ .rgb[RGB_16] = &h3600_rgb_16,
- return ret;
-}
+ .lcd_power = h3600_lcd_power,
+};
-static void h3600_uart_pm(struct uart_port *port, u_int state, u_int oldstate)
-{
- if (port->mapbase == _Ser2UTCR0) { /* TODO: REMOVE THIS */
- assign_h3600_egpio(IPAQ_EGPIO_IR_ON, !state);
- } else if (port->mapbase == _Ser3UTCR0) {
- assign_h3600_egpio(IPAQ_EGPIO_RS232_ON, !state);
- }
-}
-/*
- * Enable/Disable wake up events for this serial port.
- * Obviously, we only support this on the normal COM port.
- */
-static int h3600_uart_set_wake(struct uart_port *port, u_int enable)
+static void __init h3600_map_io(void)
{
- int err = -EINVAL;
-
- if (port->mapbase == _Ser3UTCR0) {
- if (enable)
- PWER |= PWER_GPIO23 | PWER_GPIO25; /* DCD and CTS */
- else
- PWER &= ~(PWER_GPIO23 | PWER_GPIO25); /* DCD and CTS */
- err = 0;
- }
- return err;
+ h3xxx_map_io();
}
-static struct sa1100_port_fns h3600_port_fns __initdata = {
- .set_mctrl = h3600_uart_set_mctrl,
- .get_mctrl = h3600_uart_get_mctrl,
- .pm = h3600_uart_pm,
- .set_wake = h3600_uart_set_wake,
-};
-
/*
- * helper for sa1100fb
+ * This turns the IRDA power on or off on the Compaq H3600
*/
-static void h3xxx_lcd_power(int enable)
-{
- assign_h3600_egpio(IPAQ_EGPIO_LCD_POWER, enable);
-}
-
-static struct map_desc h3600_io_desc[] __initdata = {
- { /* static memory bank 2 CS#2 */
- .virtual = H3600_BANK_2_VIRT,
- .pfn = __phys_to_pfn(SA1100_CS2_PHYS),
- .length = 0x02800000,
- .type = MT_DEVICE
- }, { /* static memory bank 4 CS#4 */
- .virtual = H3600_BANK_4_VIRT,
- .pfn = __phys_to_pfn(SA1100_CS4_PHYS),
- .length = 0x00800000,
- .type = MT_DEVICE
- }, { /* EGPIO 0 CS#5 */
- .virtual = H3600_EGPIO_VIRT,
- .pfn = __phys_to_pfn(H3600_EGPIO_PHYS),
- .length = 0x01000000,
- .type = MT_DEVICE
- }
+static struct gpio h3600_irda_gpio[] = {
+ { H3600_EGPIO_IR_ON, GPIOF_OUT_INIT_LOW, "IrDA power" },
+ { H3600_EGPIO_IR_FSEL, GPIOF_OUT_INIT_LOW, "IrDA fsel" },
};
-/*
- * Common map_io initialization
- */
-
-static void __init h3xxx_map_io(void)
+static int h3600_irda_set_power(struct device *dev, unsigned int state)
{
- sa1100_map_io();
- iotable_init(h3600_io_desc, ARRAY_SIZE(h3600_io_desc));
-
- sa1100_register_uart_fns(&h3600_port_fns);
- sa1100_register_uart(0, 3); /* Common serial port */
-// sa1100_register_uart(1, 1); /* Microcontroller on 3100/3600 */
-
- /* Ensure those pins are outputs and driving low */
- PPDR |= PPC_TXD4 | PPC_SCLK | PPC_SFRM;
- PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM);
-
- /* Configure suspend conditions */
- PGSR = 0;
- PWER = PWER_GPIO0 | PWER_RTC;
- PCFR = PCFR_OPDE;
- PSDR = 0;
-
- sa1100fb_lcd_power = h3xxx_lcd_power;
+ gpio_set_value(H3600_EGPIO_IR_ON, state);
+ return 0;
}
-/************************* H3100 *************************/
-
-#ifdef CONFIG_SA1100_H3100
-
-#define H3100_EGPIO (*(volatile unsigned int *)H3600_EGPIO_VIRT)
-static unsigned int h3100_egpio = 0;
-
-static void h3100_control_egpio(enum ipaq_egpio_type x, int setp)
+static void h3600_irda_set_speed(struct device *dev, unsigned int speed)
{
- unsigned int egpio = 0;
- long gpio = 0;
- unsigned long flags;
-
- switch (x) {
- case IPAQ_EGPIO_LCD_POWER:
- egpio |= EGPIO_H3600_LCD_ON;
- gpio |= GPIO_H3100_LCD_3V_ON;
- break;
- case IPAQ_EGPIO_LCD_ENABLE:
- break;
- case IPAQ_EGPIO_CODEC_NRESET:
- egpio |= EGPIO_H3600_CODEC_NRESET;
- break;
- case IPAQ_EGPIO_AUDIO_ON:
- gpio |= GPIO_H3100_AUD_PWR_ON
- | GPIO_H3100_AUD_ON;
- break;
- case IPAQ_EGPIO_QMUTE:
- gpio |= GPIO_H3100_QMUTE;
- break;
- case IPAQ_EGPIO_OPT_NVRAM_ON:
- egpio |= EGPIO_H3600_OPT_NVRAM_ON;
- break;
- case IPAQ_EGPIO_OPT_ON:
- egpio |= EGPIO_H3600_OPT_ON;
- break;
- case IPAQ_EGPIO_CARD_RESET:
- egpio |= EGPIO_H3600_CARD_RESET;
- break;
- case IPAQ_EGPIO_OPT_RESET:
- egpio |= EGPIO_H3600_OPT_RESET;
- break;
- case IPAQ_EGPIO_IR_ON:
- gpio |= GPIO_H3100_IR_ON;
- break;
- case IPAQ_EGPIO_IR_FSEL:
- gpio |= GPIO_H3100_IR_FSEL;
- break;
- case IPAQ_EGPIO_RS232_ON:
- egpio |= EGPIO_H3600_RS232_ON;
- break;
- case IPAQ_EGPIO_VPP_ON:
- egpio |= EGPIO_H3600_VPP_ON;
- break;
- }
-
- if (egpio || gpio) {
- local_irq_save(flags);
- if (setp) {
- h3100_egpio |= egpio;
- GPSR = gpio;
- } else {
- h3100_egpio &= ~egpio;
- GPCR = gpio;
- }
- H3100_EGPIO = h3100_egpio;
- local_irq_restore(flags);
- }
+ gpio_set_value(H3600_EGPIO_IR_FSEL, !(speed < 4000000));
}
-#define H3100_DIRECT_EGPIO (GPIO_H3100_BT_ON \
- | GPIO_H3100_GPIO3 \
- | GPIO_H3100_QMUTE \
- | GPIO_H3100_LCD_3V_ON \
- | GPIO_H3100_AUD_ON \
- | GPIO_H3100_AUD_PWR_ON \
- | GPIO_H3100_IR_ON \
- | GPIO_H3100_IR_FSEL)
-
-static void __init h3100_map_io(void)
+static int h3600_irda_startup(struct device *dev)
{
- h3xxx_map_io();
-
- /* Initialize h3100-specific values here */
- GPCR = 0x0fffffff; /* All outputs are set low by default */
- GPDR = GPIO_H3600_COM_RTS | GPIO_H3600_L3_CLOCK |
- GPIO_H3600_L3_MODE | GPIO_H3600_L3_DATA |
- GPIO_H3600_CLK_SET1 | GPIO_H3600_CLK_SET0 |
- H3100_DIRECT_EGPIO;
-
- /* Older bootldrs put GPIO2-9 in alternate mode on the
- assumption that they are used for video */
- GAFR &= ~H3100_DIRECT_EGPIO;
-
- H3100_EGPIO = h3100_egpio;
- assign_h3600_egpio = h3100_control_egpio;
+ return gpio_request_array(h3600_irda_gpio, sizeof(h3600_irda_gpio));
}
-MACHINE_START(H3100, "Compaq iPAQ H3100")
- .phys_io = 0x80000000,
- .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc,
- .boot_params = 0xc0000100,
- .map_io = h3100_map_io,
- .init_irq = sa1100_init_irq,
- .timer = &sa1100_timer,
- .init_machine = h3xxx_mach_init,
-MACHINE_END
-
-#endif /* CONFIG_SA1100_H3100 */
-
-/************************* H3600 *************************/
-
-#ifdef CONFIG_SA1100_H3600
-
-#define H3600_EGPIO (*(volatile unsigned int *)H3600_EGPIO_VIRT)
-static unsigned int h3600_egpio = EGPIO_H3600_RS232_ON;
-
-static void h3600_control_egpio(enum ipaq_egpio_type x, int setp)
+static void h3600_irda_shutdown(struct device *dev)
{
- unsigned int egpio = 0;
- unsigned long flags;
-
- switch (x) {
- case IPAQ_EGPIO_LCD_POWER:
- egpio |= EGPIO_H3600_LCD_ON |
- EGPIO_H3600_LCD_PCI |
- EGPIO_H3600_LCD_5V_ON |
- EGPIO_H3600_LVDD_ON;
- break;
- case IPAQ_EGPIO_LCD_ENABLE:
- break;
- case IPAQ_EGPIO_CODEC_NRESET:
- egpio |= EGPIO_H3600_CODEC_NRESET;
- break;
- case IPAQ_EGPIO_AUDIO_ON:
- egpio |= EGPIO_H3600_AUD_AMP_ON |
- EGPIO_H3600_AUD_PWR_ON;
- break;
- case IPAQ_EGPIO_QMUTE:
- egpio |= EGPIO_H3600_QMUTE;
- break;
- case IPAQ_EGPIO_OPT_NVRAM_ON:
- egpio |= EGPIO_H3600_OPT_NVRAM_ON;
- break;
- case IPAQ_EGPIO_OPT_ON:
- egpio |= EGPIO_H3600_OPT_ON;
- break;
- case IPAQ_EGPIO_CARD_RESET:
- egpio |= EGPIO_H3600_CARD_RESET;
- break;
- case IPAQ_EGPIO_OPT_RESET:
- egpio |= EGPIO_H3600_OPT_RESET;
- break;
- case IPAQ_EGPIO_IR_ON:
- egpio |= EGPIO_H3600_IR_ON;
- break;
- case IPAQ_EGPIO_IR_FSEL:
- egpio |= EGPIO_H3600_IR_FSEL;
- break;
- case IPAQ_EGPIO_RS232_ON:
- egpio |= EGPIO_H3600_RS232_ON;
- break;
- case IPAQ_EGPIO_VPP_ON:
- egpio |= EGPIO_H3600_VPP_ON;
- break;
- }
-
- if (egpio) {
- local_irq_save(flags);
- if (setp)
- h3600_egpio |= egpio;
- else
- h3600_egpio &= ~egpio;
- H3600_EGPIO = h3600_egpio;
- local_irq_restore(flags);
- }
+ return gpio_free_array(h3600_irda_gpio, sizeof(h3600_irda_gpio));
}
-static void __init h3600_map_io(void)
-{
- h3xxx_map_io();
-
- /* Initialize h3600-specific values here */
+static struct irda_platform_data h3600_irda_data = {
+ .set_power = h3600_irda_set_power,
+ .set_speed = h3600_irda_set_speed,
+ .startup = h3600_irda_startup,
+ .shutdown = h3600_irda_shutdown,
+};
- GPCR = 0x0fffffff; /* All outputs are set low by default */
- GPDR = GPIO_H3600_COM_RTS | GPIO_H3600_L3_CLOCK |
- GPIO_H3600_L3_MODE | GPIO_H3600_L3_DATA |
- GPIO_H3600_CLK_SET1 | GPIO_H3600_CLK_SET0 |
- GPIO_LDD15 | GPIO_LDD14 | GPIO_LDD13 | GPIO_LDD12 |
- GPIO_LDD11 | GPIO_LDD10 | GPIO_LDD9 | GPIO_LDD8;
+static void __init h3600_mach_init(void)
+{
+ h3xxx_mach_init();
- H3600_EGPIO = h3600_egpio; /* Maintains across sleep? */
- assign_h3600_egpio = h3600_control_egpio;
+ sa11x0_register_lcd(&h3600_lcd_info);
+ sa11x0_register_irda(&h3600_irda_data);
}
MACHINE_START(H3600, "Compaq iPAQ H3600")
- .phys_io = 0x80000000,
- .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc,
- .boot_params = 0xc0000100,
+ .atag_offset = 0x100,
.map_io = h3600_map_io,
+ .nr_irqs = SA1100_NR_IRQS,
.init_irq = sa1100_init_irq,
- .timer = &sa1100_timer,
- .init_machine = h3xxx_mach_init,
+ .init_time = sa1100_timer_init,
+ .init_machine = h3600_mach_init,
+ .init_late = sa11x0_init_late,
+ .restart = sa11x0_restart,
MACHINE_END
-#endif /* CONFIG_SA1100_H3600 */
-
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