help
Support for S3C2440 specific DMA code5A
-
-menu "S3C2440 Machines"
+menu "S3C2440 and S3C2442 Machines"
config MACH_ANUBIS
bool "Simtec Electronics ANUBIS"
Say Y here if you are using the Simtec Electronics ANUBIS
development system
+config MACH_NEO1973_GTA02
+ bool "Openmoko GTA02 / Freerunner phone"
+ select CPU_S3C2442
+ select MFD_PCF50633
+ select PCF50633_GPIO
+ select I2C
+ select POWER_SUPPLY
+ select MACH_NEO1973
+ select S3C2410_PWM
+ help
+ Say Y here if you are using the Openmoko GTA02 / Freerunner GSM Phone
+
config MACH_OSIRIS
bool "Simtec IM2440D20 (OSIRIS) module"
select CPU_S3C2440
select S3C2440_XTAL_16934400
select CPU_S3C2440
+config SMDK2440_CPU2442
+ bool "SMDM2440 with S3C2442 CPU module"
+ depends on ARCH_S3C2440
+ select CPU_S3C2442
+
config MACH_AT2440EVB
bool "Avantech AT2440EVB development board"
select CPU_S3C2440
obj-$(CONFIG_MACH_NEXCODER_2440) += mach-nexcoder.o
obj-$(CONFIG_MACH_AT2440EVB) += mach-at2440evb.o
obj-$(CONFIG_MACH_MINI2440) += mach-mini2440.o
+obj-$(CONFIG_MACH_NEO1973_GTA02) += mach-gta02.o
# extra machine support
--- /dev/null
+#ifndef _GTA02_H
+#define _GTA02_H
+
+#include <mach/regs-gpio.h>
+
+/* Different hardware revisions, passed in ATAG_REVISION by u-boot */
+#define GTA02v1_SYSTEM_REV 0x00000310
+#define GTA02v2_SYSTEM_REV 0x00000320
+#define GTA02v3_SYSTEM_REV 0x00000330
+#define GTA02v4_SYSTEM_REV 0x00000340
+#define GTA02v5_SYSTEM_REV 0x00000350
+/* since A7 is basically same as A6, we use A6 PCB ID */
+#define GTA02v6_SYSTEM_REV 0x00000360
+
+#define GTA02_GPIO_n3DL_GSM S3C2410_GPA(13) /* v1 + v2 + v3 only */
+
+#define GTA02_GPIO_PWR_LED1 S3C2410_GPB(0)
+#define GTA02_GPIO_PWR_LED2 S3C2410_GPB(1)
+#define GTA02_GPIO_AUX_LED S3C2410_GPB(2)
+#define GTA02_GPIO_VIBRATOR_ON S3C2410_GPB(3)
+#define GTA02_GPIO_MODEM_RST S3C2410_GPB(5)
+#define GTA02_GPIO_BT_EN S3C2410_GPB(6)
+#define GTA02_GPIO_MODEM_ON S3C2410_GPB(7)
+#define GTA02_GPIO_EXTINT8 S3C2410_GPB(8)
+#define GTA02_GPIO_USB_PULLUP S3C2410_GPB(9)
+
+#define GTA02_GPIO_PIO5 S3C2410_GPC(5) /* v3 + v4 only */
+
+#define GTA02v3_GPIO_nG1_CS S3C2410_GPD(12) /* v3 + v4 only */
+#define GTA02v3_GPIO_nG2_CS S3C2410_GPD(13) /* v3 + v4 only */
+#define GTA02v5_GPIO_HDQ S3C2410_GPD(14) /* v5 + */
+
+#define GTA02_GPIO_nG1_INT S3C2410_GPF(0)
+#define GTA02_GPIO_IO1 S3C2410_GPF(1)
+#define GTA02_GPIO_PIO_2 S3C2410_GPF(2) /* v2 + v3 + v4 only */
+#define GTA02_GPIO_JACK_INSERT S3C2410_GPF(4)
+#define GTA02_GPIO_WLAN_GPIO1 S3C2410_GPF(5) /* v2 + v3 + v4 only */
+#define GTA02_GPIO_AUX_KEY S3C2410_GPF(6)
+#define GTA02_GPIO_HOLD_KEY S3C2410_GPF(7)
+
+#define GTA02_GPIO_3D_IRQ S3C2410_GPG(4)
+#define GTA02v2_GPIO_nG2_INT S3C2410_GPG(8) /* v2 + v3 + v4 only */
+#define GTA02v3_GPIO_nUSB_OC S3C2410_GPG(9) /* v3 + v4 only */
+#define GTA02v3_GPIO_nUSB_FLT S3C2410_GPG(10) /* v3 + v4 only */
+#define GTA02v3_GPIO_nGSM_OC S3C2410_GPG(11) /* v3 + v4 only */
+
+#define GTA02_GPIO_AMP_SHUT S3C2440_GPJ1 /* v2 + v3 + v4 only */
+#define GTA02v1_GPIO_WLAN_GPIO10 S3C2440_GPJ2
+#define GTA02_GPIO_HP_IN S3C2440_GPJ2 /* v2 + v3 + v4 only */
+#define GTA02_GPIO_INT0 S3C2440_GPJ3 /* v2 + v3 + v4 only */
+#define GTA02_GPIO_nGSM_EN S3C2440_GPJ4
+#define GTA02_GPIO_3D_RESET S3C2440_GPJ5
+#define GTA02_GPIO_nDL_GSM S3C2440_GPJ6 /* v4 + v5 only */
+#define GTA02_GPIO_WLAN_GPIO0 S3C2440_GPJ7
+#define GTA02v1_GPIO_BAT_ID S3C2440_GPJ8
+#define GTA02_GPIO_KEEPACT S3C2440_GPJ8
+#define GTA02v1_GPIO_HP_IN S3C2440_GPJ10
+#define GTA02_CHIP_PWD S3C2440_GPJ11 /* v2 + v3 + v4 only */
+#define GTA02_GPIO_nWLAN_RESET S3C2440_GPJ12 /* v2 + v3 + v4 only */
+
+#define GTA02_IRQ_GSENSOR_1 IRQ_EINT0
+#define GTA02_IRQ_MODEM IRQ_EINT1
+#define GTA02_IRQ_PIO_2 IRQ_EINT2 /* v2 + v3 + v4 only */
+#define GTA02_IRQ_nJACK_INSERT IRQ_EINT4
+#define GTA02_IRQ_WLAN_GPIO1 IRQ_EINT5
+#define GTA02_IRQ_AUX IRQ_EINT6
+#define GTA02_IRQ_nHOLD IRQ_EINT7
+#define GTA02_IRQ_PCF50633 IRQ_EINT9
+#define GTA02_IRQ_3D IRQ_EINT12
+#define GTA02_IRQ_GSENSOR_2 IRQ_EINT16 /* v2 + v3 + v4 only */
+#define GTA02v3_IRQ_nUSB_OC IRQ_EINT17 /* v3 + v4 only */
+#define GTA02v3_IRQ_nUSB_FLT IRQ_EINT18 /* v3 + v4 only */
+#define GTA02v3_IRQ_nGSM_OC IRQ_EINT19 /* v3 + v4 only */
+
+/* returns 00 000 on GTA02 A5 and earlier, A6 returns 01 001 */
+#define GTA02_PCB_ID1_0 S3C2410_GPC(13)
+#define GTA02_PCB_ID1_1 S3C2410_GPC(15)
+#define GTA02_PCB_ID1_2 S3C2410_GPD(0)
+#define GTA02_PCB_ID2_0 S3C2410_GPD(3)
+#define GTA02_PCB_ID2_1 S3C2410_GPD(4)
+
+int gta02_get_pcb_revision(void);
+
+#endif /* _GTA02_H */
--- /dev/null
+/*
+ * linux/arch/arm/mach-s3c2442/mach-gta02.c
+ *
+ * S3C2442 Machine Support for Openmoko GTA02 / FreeRunner.
+ *
+ * Copyright (C) 2006-2009 by Openmoko, Inc.
+ * Authors: Harald Welte <laforge@openmoko.org>
+ * Andy Green <andy@openmoko.org>
+ * Werner Almesberger <werner@openmoko.org>
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/delay.h>
+#include <linux/timer.h>
+#include <linux/init.h>
+#include <linux/gpio.h>
+#include <linux/workqueue.h>
+#include <linux/platform_device.h>
+#include <linux/serial_core.h>
+#include <linux/spi/spi.h>
+
+#include <linux/mmc/host.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/nand_ecc.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/io.h>
+
+#include <linux/i2c.h>
+#include <linux/backlight.h>
+#include <linux/regulator/machine.h>
+
+#include <linux/mfd/pcf50633/core.h>
+#include <linux/mfd/pcf50633/mbc.h>
+#include <linux/mfd/pcf50633/adc.h>
+#include <linux/mfd/pcf50633/gpio.h>
+#include <linux/mfd/pcf50633/pmic.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/irq.h>
+#include <asm/mach-types.h>
+
+#include <mach/regs-irq.h>
+#include <mach/regs-gpio.h>
+#include <mach/regs-gpioj.h>
+#include <mach/fb.h>
+
+#include <mach/spi.h>
+#include <mach/spi-gpio.h>
+#include <plat/usb-control.h>
+#include <mach/regs-mem.h>
+#include <mach/hardware.h>
+
+#include <mach/gta02.h>
+
+#include <plat/regs-serial.h>
+#include <plat/nand.h>
+#include <plat/devs.h>
+#include <plat/cpu.h>
+#include <plat/pm.h>
+#include <plat/udc.h>
+#include <plat/gpio-cfg.h>
+#include <plat/iic.h>
+
+static struct pcf50633 *gta02_pcf;
+
+/*
+ * This gets called every 1ms when we paniced.
+ */
+
+static long gta02_panic_blink(long count)
+{
+ long delay = 0;
+ static long last_blink;
+ static char led;
+
+ /* Fast blink: 200ms period. */
+ if (count - last_blink < 100)
+ return 0;
+
+ led ^= 1;
+ gpio_direction_output(GTA02_GPIO_AUX_LED, led);
+
+ last_blink = count;
+
+ return delay;
+}
+
+
+static struct map_desc gta02_iodesc[] __initdata = {
+ {
+ .virtual = 0xe0000000,
+ .pfn = __phys_to_pfn(S3C2410_CS3 + 0x01000000),
+ .length = SZ_1M,
+ .type = MT_DEVICE
+ },
+};
+
+#define UCON (S3C2410_UCON_DEFAULT | S3C2443_UCON_RXERR_IRQEN)
+#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB)
+#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
+
+static struct s3c2410_uartcfg gta02_uartcfgs[] = {
+ [0] = {
+ .hwport = 0,
+ .flags = 0,
+ .ucon = UCON,
+ .ulcon = ULCON,
+ .ufcon = UFCON,
+ },
+ [1] = {
+ .hwport = 1,
+ .flags = 0,
+ .ucon = UCON,
+ .ulcon = ULCON,
+ .ufcon = UFCON,
+ },
+ [2] = {
+ .hwport = 2,
+ .flags = 0,
+ .ucon = UCON,
+ .ulcon = ULCON,
+ .ufcon = UFCON,
+ },
+};
+
+#ifdef CONFIG_CHARGER_PCF50633
+/*
+ * On GTA02 the 1A charger features a 48K resistor to 0V on the ID pin.
+ * We use this to recognize that we can pull 1A from the USB socket.
+ *
+ * These constants are the measured pcf50633 ADC levels with the 1A
+ * charger / 48K resistor, and with no pulldown resistor.
+ */
+
+#define ADC_NOM_CHG_DETECT_1A 6
+#define ADC_NOM_CHG_DETECT_USB 43
+
+static void
+gta02_configure_pmu_for_charger(struct pcf50633 *pcf, void *unused, int res)
+{
+ int ma;
+
+ /* Interpret charger type */
+ if (res < ((ADC_NOM_CHG_DETECT_USB + ADC_NOM_CHG_DETECT_1A) / 2)) {
+
+ /*
+ * Sanity - stop GPO driving out now that we have a 1A charger
+ * GPO controls USB Host power generation on GTA02
+ */
+ pcf50633_gpio_set(pcf, PCF50633_GPO, 0);
+
+ ma = 1000;
+ } else
+ ma = 100;
+
+ pcf50633_mbc_usb_curlim_set(pcf, ma);
+}
+
+static struct delayed_work gta02_charger_work;
+static int gta02_usb_vbus_draw;
+
+static void gta02_charger_worker(struct work_struct *work)
+{
+ if (gta02_usb_vbus_draw) {
+ pcf50633_mbc_usb_curlim_set(gta02_pcf, gta02_usb_vbus_draw);
+ return;
+ }
+
+#ifdef CONFIG_PCF50633_ADC
+ pcf50633_adc_async_read(gta02_pcf,
+ PCF50633_ADCC1_MUX_ADCIN1,
+ PCF50633_ADCC1_AVERAGE_16,
+ gta02_configure_pmu_for_charger,
+ NULL);
+#else
+ /*
+ * If the PCF50633 ADC is disabled we fallback to a
+ * 100mA limit for safety.
+ */
+ pcf50633_mbc_usb_curlim_set(pcf, 100);
+#endif
+}
+
+#define GTA02_CHARGER_CONFIGURE_TIMEOUT ((3000 * HZ) / 1000)
+
+static void gta02_pmu_event_callback(struct pcf50633 *pcf, int irq)
+{
+ if (irq == PCF50633_IRQ_USBINS) {
+ schedule_delayed_work(>a02_charger_work,
+ GTA02_CHARGER_CONFIGURE_TIMEOUT);
+
+ return;
+ }
+
+ if (irq == PCF50633_IRQ_USBREM) {
+ cancel_delayed_work_sync(>a02_charger_work);
+ gta02_usb_vbus_draw = 0;
+ }
+}
+
+static void gta02_udc_vbus_draw(unsigned int ma)
+{
+ if (!gta02_pcf)
+ return;
+
+ gta02_usb_vbus_draw = ma;
+
+ schedule_delayed_work(>a02_charger_work,
+ GTA02_CHARGER_CONFIGURE_TIMEOUT);
+}
+#else /* !CONFIG_CHARGER_PCF50633 */
+#define gta02_pmu_event_callback NULL
+#define gta02_udc_vbus_draw NULL
+#endif
+
+/*
+ * This is called when pc50633 is probed, unfortunately quite late in the
+ * day since it is an I2C bus device. Here we can belatedly define some
+ * platform devices with the advantage that we can mark the pcf50633 as the
+ * parent. This makes them get suspended and resumed with their parent
+ * the pcf50633 still around.
+ */
+
+static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf);
+
+
+static char *gta02_batteries[] = {
+ "battery",
+};
+
+struct pcf50633_platform_data gta02_pcf_pdata = {
+ .resumers = {
+ [0] = PCF50633_INT1_USBINS |
+ PCF50633_INT1_USBREM |
+ PCF50633_INT1_ALARM,
+ [1] = PCF50633_INT2_ONKEYF,
+ [2] = PCF50633_INT3_ONKEY1S,
+ [3] = PCF50633_INT4_LOWSYS |
+ PCF50633_INT4_LOWBAT |
+ PCF50633_INT4_HIGHTMP,
+ },
+
+ .batteries = gta02_batteries,
+ .num_batteries = ARRAY_SIZE(gta02_batteries),
+
+ .charger_reference_current_ma = 1000,
+
+ .reg_init_data = {
+ [PCF50633_REGULATOR_AUTO] = {
+ .constraints = {
+ .min_uV = 3300000,
+ .max_uV = 3300000,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL,
+ .always_on = 1,
+ .apply_uV = 1,
+ .state_mem = {
+ .enabled = 1,
+ },
+ },
+ },
+ [PCF50633_REGULATOR_DOWN1] = {
+ .constraints = {
+ .min_uV = 1300000,
+ .max_uV = 1600000,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL,
+ .always_on = 1,
+ .apply_uV = 1,
+ },
+ },
+ [PCF50633_REGULATOR_DOWN2] = {
+ .constraints = {
+ .min_uV = 1800000,
+ .max_uV = 1800000,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL,
+ .apply_uV = 1,
+ .always_on = 1,
+ .state_mem = {
+ .enabled = 1,
+ },
+ },
+ },
+ [PCF50633_REGULATOR_HCLDO] = {
+ .constraints = {
+ .min_uV = 2000000,
+ .max_uV = 3300000,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL,
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
+ .always_on = 1,
+ },
+ },
+ [PCF50633_REGULATOR_LDO1] = {
+ .constraints = {
+ .min_uV = 3300000,
+ .max_uV = 3300000,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL,
+ .apply_uV = 1,
+ .state_mem = {
+ .enabled = 0,
+ },
+ },
+ },
+ [PCF50633_REGULATOR_LDO2] = {
+ .constraints = {
+ .min_uV = 3300000,
+ .max_uV = 3300000,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL,
+ .apply_uV = 1,
+ },
+ },
+ [PCF50633_REGULATOR_LDO3] = {
+ .constraints = {
+ .min_uV = 3000000,
+ .max_uV = 3000000,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL,
+ .apply_uV = 1,
+ },
+ },
+ [PCF50633_REGULATOR_LDO4] = {
+ .constraints = {
+ .min_uV = 3200000,
+ .max_uV = 3200000,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL,
+ .apply_uV = 1,
+ },
+ },
+ [PCF50633_REGULATOR_LDO5] = {
+ .constraints = {
+ .min_uV = 3000000,
+ .max_uV = 3000000,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL,
+ .apply_uV = 1,
+ .state_mem = {
+ .enabled = 1,
+ },
+ },
+ },
+ [PCF50633_REGULATOR_LDO6] = {
+ .constraints = {
+ .min_uV = 3000000,
+ .max_uV = 3000000,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL,
+ },
+ },
+ [PCF50633_REGULATOR_MEMLDO] = {
+ .constraints = {
+ .min_uV = 1800000,
+ .max_uV = 1800000,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL,
+ .state_mem = {
+ .enabled = 1,
+ },
+ },
+ },
+
+ },
+ .probe_done = gta02_pmu_attach_child_devices,
+ .mbc_event_callback = gta02_pmu_event_callback,
+};
+
+
+/* NOR Flash. */
+
+#define GTA02_FLASH_BASE 0x18000000 /* GCS3 */
+#define GTA02_FLASH_SIZE 0x200000 /* 2MBytes */
+
+static struct physmap_flash_data gta02_nor_flash_data = {
+ .width = 2,
+};
+
+static struct resource gta02_nor_flash_resource = {
+ .start = GTA02_FLASH_BASE,
+ .end = GTA02_FLASH_BASE + GTA02_FLASH_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device gta02_nor_flash = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = >a02_nor_flash_data,
+ },
+ .resource = >a02_nor_flash_resource,
+ .num_resources = 1,
+};
+
+
+struct platform_device s3c24xx_pwm_device = {
+ .name = "s3c24xx_pwm",
+ .num_resources = 0,
+};
+
+static struct i2c_board_info gta02_i2c_devs[] __initdata = {
+ {
+ I2C_BOARD_INFO("pcf50633", 0x73),
+ .irq = GTA02_IRQ_PCF50633,
+ .platform_data = >a02_pcf_pdata,
+ },
+ {
+ I2C_BOARD_INFO("wm8753", 0x1a),
+ },
+};
+
+static struct s3c2410_nand_set __initdata gta02_nand_sets[] = {
+ [0] = {
+ /*
+ * This name is also hard-coded in the boot loaders, so
+ * changing it would would require all users to upgrade
+ * their boot loaders, some of which are stored in a NOR
+ * that is considered to be immutable.
+ */
+ .name = "neo1973-nand",
+ .nr_chips = 1,
+ .flash_bbt = 1,
+ },
+};
+
+/*
+ * Choose a set of timings derived from S3C@2442B MCP54
+ * data sheet (K5D2G13ACM-D075 MCP Memory).
+ */
+
+static struct s3c2410_platform_nand __initdata gta02_nand_info = {
+ .tacls = 0,
+ .twrph0 = 25,
+ .twrph1 = 15,
+ .nr_sets = ARRAY_SIZE(gta02_nand_sets),
+ .sets = gta02_nand_sets,
+};
+
+
+static void gta02_udc_command(enum s3c2410_udc_cmd_e cmd)
+{
+ switch (cmd) {
+ case S3C2410_UDC_P_ENABLE:
+ pr_debug("%s S3C2410_UDC_P_ENABLE\n", __func__);
+ gpio_direction_output(GTA02_GPIO_USB_PULLUP, 1);
+ break;
+ case S3C2410_UDC_P_DISABLE:
+ pr_debug("%s S3C2410_UDC_P_DISABLE\n", __func__);
+ gpio_direction_output(GTA02_GPIO_USB_PULLUP, 0);
+ break;
+ case S3C2410_UDC_P_RESET:
+ pr_debug("%s S3C2410_UDC_P_RESET\n", __func__);
+ /* FIXME: Do something here. */
+ }
+}
+
+/* Get PMU to set USB current limit accordingly. */
+static struct s3c2410_udc_mach_info gta02_udc_cfg = {
+ .vbus_draw = gta02_udc_vbus_draw,
+ .udc_command = gta02_udc_command,
+
+};
+
+
+
+static void gta02_bl_set_intensity(int intensity)
+{
+ struct pcf50633 *pcf = gta02_pcf;
+ int old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT);
+
+ /* We map 8-bit intensity to 6-bit intensity in hardware. */
+ intensity >>= 2;
+
+ /*
+ * This can happen during, eg, print of panic on blanked console,
+ * but we can't service i2c without interrupts active, so abort.
+ */
+ if (in_atomic()) {
+ printk(KERN_ERR "gta02_bl_set_intensity called while atomic\n");
+ return;
+ }
+
+ old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT);
+ if (intensity == old_intensity)
+ return;
+
+ /* We can't do this anywhere else. */
+ pcf50633_reg_write(pcf, PCF50633_REG_LEDDIM, 5);
+
+ if (!(pcf50633_reg_read(pcf, PCF50633_REG_LEDENA) & 3))
+ old_intensity = 0;
+
+ /*
+ * The PCF50633 cannot handle LEDOUT = 0 (datasheet p60)
+ * if seen, you have to re-enable the LED unit.
+ */
+ if (!intensity || !old_intensity)
+ pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0);
+
+ /* Illegal to set LEDOUT to 0. */
+ if (!intensity)
+ pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f, 2);
+ else
+ pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f,
+ intensity);
+
+ if (intensity)
+ pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 2);
+
+}
+
+static struct generic_bl_info gta02_bl_info = {
+ .name = "gta02-bl",
+ .max_intensity = 0xff,
+ .default_intensity = 0xff,
+ .set_bl_intensity = gta02_bl_set_intensity,
+};
+
+static struct platform_device gta02_bl_dev = {
+ .name = "generic-bl",
+ .id = 1,
+ .dev = {
+ .platform_data = >a02_bl_info,
+ },
+};
+
+
+
+/* USB */
+static struct s3c2410_hcd_info gta02_usb_info __initdata = {
+ .port[0] = {
+ .flags = S3C_HCDFLG_USED,
+ },
+ .port[1] = {
+ .flags = 0,
+ },
+};
+
+
+static void __init gta02_map_io(void)
+{
+ s3c24xx_init_io(gta02_iodesc, ARRAY_SIZE(gta02_iodesc));
+ s3c24xx_init_clocks(12000000);
+ s3c24xx_init_uarts(gta02_uartcfgs, ARRAY_SIZE(gta02_uartcfgs));
+}
+
+
+/* These are the guys that don't need to be children of PMU. */
+
+static struct platform_device *gta02_devices[] __initdata = {
+ &s3c_device_ohci,
+ &s3c_device_wdt,
+ &s3c_device_sdi,
+ &s3c_device_usbgadget,
+ &s3c_device_nand,
+ >a02_nor_flash,
+ &s3c24xx_pwm_device,
+ &s3c_device_iis,
+ &s3c_device_i2c0,
+};
+
+/* These guys DO need to be children of PMU. */
+
+static struct platform_device *gta02_devices_pmu_children[] = {
+ >a02_bl_dev,
+};
+
+
+/*
+ * This is called when pc50633 is probed, quite late in the day since it is an
+ * I2C bus device. Here we can define platform devices with the advantage that
+ * we can mark the pcf50633 as the parent. This makes them get suspended and
+ * resumed with their parent the pcf50633 still around. All devices whose
+ * operation depends on something from pcf50633 must have this relationship
+ * made explicit like this, or suspend and resume will become an unreliable
+ * hellworld.
+ */
+
+static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf)
+{
+ int n;
+
+ /* Grab a copy of the now probed PMU pointer. */
+ gta02_pcf = pcf;
+
+ for (n = 0; n < ARRAY_SIZE(gta02_devices_pmu_children); n++)
+ gta02_devices_pmu_children[n]->dev.parent = pcf->dev;
+
+ platform_add_devices(gta02_devices_pmu_children,
+ ARRAY_SIZE(gta02_devices_pmu_children));
+}
+
+static void gta02_poweroff(void)
+{
+ pcf50633_reg_set_bit_mask(gta02_pcf, PCF50633_REG_OOCSHDWN, 1, 1);
+}
+
+static void __init gta02_machine_init(void)
+{
+ /* Set the panic callback to make AUX LED blink at ~5Hz. */
+ panic_blink = gta02_panic_blink;
+
+ s3c_pm_init();
+
+#ifdef CONFIG_CHARGER_PCF50633
+ INIT_DELAYED_WORK(>a02_charger_work, gta02_charger_worker);
+#endif
+
+ s3c24xx_udc_set_platdata(>a02_udc_cfg);
+ s3c_ohci_set_platdata(>a02_usb_info);
+ s3c_nand_set_platdata(>a02_nand_info);
+ s3c_i2c0_set_platdata(NULL);
+
+ i2c_register_board_info(0, gta02_i2c_devs, ARRAY_SIZE(gta02_i2c_devs));
+
+ platform_add_devices(gta02_devices, ARRAY_SIZE(gta02_devices));
+ pm_power_off = gta02_poweroff;
+}
+
+
+MACHINE_START(NEO1973_GTA02, "GTA02")
+ /* Maintainer: Nelson Castillo <arhuaco@freaks-unidos.net> */
+ .phys_io = S3C2410_PA_UART,
+ .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
+ .boot_params = S3C2410_SDRAM_PA + 0x100,
+ .map_io = gta02_map_io,
+ .init_irq = s3c24xx_init_irq,
+ .init_machine = gta02_machine_init,
+ .timer = &s3c24xx_timer,
+MACHINE_END
select CPU_LLSERIAL_S3C2440
help
Support for S3C2442 Samsung Mobile CPU based systems.
-
-
-menu "S3C2442 Machines"
-
-config SMDK2440_CPU2442
- bool "SMDM2440 with S3C2442 CPU module"
- depends on ARCH_S3C2440
- select CPU_S3C2442
-
-config MACH_NEO1973_GTA02
- bool "Openmoko GTA02 / Freerunner phone"
- select CPU_S3C2442
- select MFD_PCF50633
- select PCF50633_GPIO
- select I2C
- select POWER_SUPPLY
- select MACH_NEO1973
- select S3C2410_PWM
- help
- Say Y here if you are using the Openmoko GTA02 / Freerunner GSM Phone
-
-endmenu
obj-$(CONFIG_CPU_S3C2442) += s3c2442.o
obj-$(CONFIG_CPU_S3C2442) += clock.o
-obj-$(CONFIG_MACH_NEO1973_GTA02) += mach-gta02.o
-
# Machine support
+++ /dev/null
-#ifndef _GTA02_H
-#define _GTA02_H
-
-#include <mach/regs-gpio.h>
-
-/* Different hardware revisions, passed in ATAG_REVISION by u-boot */
-#define GTA02v1_SYSTEM_REV 0x00000310
-#define GTA02v2_SYSTEM_REV 0x00000320
-#define GTA02v3_SYSTEM_REV 0x00000330
-#define GTA02v4_SYSTEM_REV 0x00000340
-#define GTA02v5_SYSTEM_REV 0x00000350
-/* since A7 is basically same as A6, we use A6 PCB ID */
-#define GTA02v6_SYSTEM_REV 0x00000360
-
-#define GTA02_GPIO_n3DL_GSM S3C2410_GPA(13) /* v1 + v2 + v3 only */
-
-#define GTA02_GPIO_PWR_LED1 S3C2410_GPB(0)
-#define GTA02_GPIO_PWR_LED2 S3C2410_GPB(1)
-#define GTA02_GPIO_AUX_LED S3C2410_GPB(2)
-#define GTA02_GPIO_VIBRATOR_ON S3C2410_GPB(3)
-#define GTA02_GPIO_MODEM_RST S3C2410_GPB(5)
-#define GTA02_GPIO_BT_EN S3C2410_GPB(6)
-#define GTA02_GPIO_MODEM_ON S3C2410_GPB(7)
-#define GTA02_GPIO_EXTINT8 S3C2410_GPB(8)
-#define GTA02_GPIO_USB_PULLUP S3C2410_GPB(9)
-
-#define GTA02_GPIO_PIO5 S3C2410_GPC(5) /* v3 + v4 only */
-
-#define GTA02v3_GPIO_nG1_CS S3C2410_GPD(12) /* v3 + v4 only */
-#define GTA02v3_GPIO_nG2_CS S3C2410_GPD(13) /* v3 + v4 only */
-#define GTA02v5_GPIO_HDQ S3C2410_GPD(14) /* v5 + */
-
-#define GTA02_GPIO_nG1_INT S3C2410_GPF(0)
-#define GTA02_GPIO_IO1 S3C2410_GPF(1)
-#define GTA02_GPIO_PIO_2 S3C2410_GPF(2) /* v2 + v3 + v4 only */
-#define GTA02_GPIO_JACK_INSERT S3C2410_GPF(4)
-#define GTA02_GPIO_WLAN_GPIO1 S3C2410_GPF(5) /* v2 + v3 + v4 only */
-#define GTA02_GPIO_AUX_KEY S3C2410_GPF(6)
-#define GTA02_GPIO_HOLD_KEY S3C2410_GPF(7)
-
-#define GTA02_GPIO_3D_IRQ S3C2410_GPG(4)
-#define GTA02v2_GPIO_nG2_INT S3C2410_GPG(8) /* v2 + v3 + v4 only */
-#define GTA02v3_GPIO_nUSB_OC S3C2410_GPG(9) /* v3 + v4 only */
-#define GTA02v3_GPIO_nUSB_FLT S3C2410_GPG(10) /* v3 + v4 only */
-#define GTA02v3_GPIO_nGSM_OC S3C2410_GPG(11) /* v3 + v4 only */
-
-#define GTA02_GPIO_AMP_SHUT S3C2440_GPJ1 /* v2 + v3 + v4 only */
-#define GTA02v1_GPIO_WLAN_GPIO10 S3C2440_GPJ2
-#define GTA02_GPIO_HP_IN S3C2440_GPJ2 /* v2 + v3 + v4 only */
-#define GTA02_GPIO_INT0 S3C2440_GPJ3 /* v2 + v3 + v4 only */
-#define GTA02_GPIO_nGSM_EN S3C2440_GPJ4
-#define GTA02_GPIO_3D_RESET S3C2440_GPJ5
-#define GTA02_GPIO_nDL_GSM S3C2440_GPJ6 /* v4 + v5 only */
-#define GTA02_GPIO_WLAN_GPIO0 S3C2440_GPJ7
-#define GTA02v1_GPIO_BAT_ID S3C2440_GPJ8
-#define GTA02_GPIO_KEEPACT S3C2440_GPJ8
-#define GTA02v1_GPIO_HP_IN S3C2440_GPJ10
-#define GTA02_CHIP_PWD S3C2440_GPJ11 /* v2 + v3 + v4 only */
-#define GTA02_GPIO_nWLAN_RESET S3C2440_GPJ12 /* v2 + v3 + v4 only */
-
-#define GTA02_IRQ_GSENSOR_1 IRQ_EINT0
-#define GTA02_IRQ_MODEM IRQ_EINT1
-#define GTA02_IRQ_PIO_2 IRQ_EINT2 /* v2 + v3 + v4 only */
-#define GTA02_IRQ_nJACK_INSERT IRQ_EINT4
-#define GTA02_IRQ_WLAN_GPIO1 IRQ_EINT5
-#define GTA02_IRQ_AUX IRQ_EINT6
-#define GTA02_IRQ_nHOLD IRQ_EINT7
-#define GTA02_IRQ_PCF50633 IRQ_EINT9
-#define GTA02_IRQ_3D IRQ_EINT12
-#define GTA02_IRQ_GSENSOR_2 IRQ_EINT16 /* v2 + v3 + v4 only */
-#define GTA02v3_IRQ_nUSB_OC IRQ_EINT17 /* v3 + v4 only */
-#define GTA02v3_IRQ_nUSB_FLT IRQ_EINT18 /* v3 + v4 only */
-#define GTA02v3_IRQ_nGSM_OC IRQ_EINT19 /* v3 + v4 only */
-
-/* returns 00 000 on GTA02 A5 and earlier, A6 returns 01 001 */
-#define GTA02_PCB_ID1_0 S3C2410_GPC(13)
-#define GTA02_PCB_ID1_1 S3C2410_GPC(15)
-#define GTA02_PCB_ID1_2 S3C2410_GPD(0)
-#define GTA02_PCB_ID2_0 S3C2410_GPD(3)
-#define GTA02_PCB_ID2_1 S3C2410_GPD(4)
-
-int gta02_get_pcb_revision(void);
-
-#endif /* _GTA02_H */
+++ /dev/null
-/*
- * linux/arch/arm/mach-s3c2442/mach-gta02.c
- *
- * S3C2442 Machine Support for Openmoko GTA02 / FreeRunner.
- *
- * Copyright (C) 2006-2009 by Openmoko, Inc.
- * Authors: Harald Welte <laforge@openmoko.org>
- * Andy Green <andy@openmoko.org>
- * Werner Almesberger <werner@openmoko.org>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/list.h>
-#include <linux/delay.h>
-#include <linux/timer.h>
-#include <linux/init.h>
-#include <linux/gpio.h>
-#include <linux/workqueue.h>
-#include <linux/platform_device.h>
-#include <linux/serial_core.h>
-#include <linux/spi/spi.h>
-
-#include <linux/mmc/host.h>
-
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/nand.h>
-#include <linux/mtd/nand_ecc.h>
-#include <linux/mtd/partitions.h>
-#include <linux/mtd/physmap.h>
-#include <linux/io.h>
-
-#include <linux/i2c.h>
-#include <linux/backlight.h>
-#include <linux/regulator/machine.h>
-
-#include <linux/mfd/pcf50633/core.h>
-#include <linux/mfd/pcf50633/mbc.h>
-#include <linux/mfd/pcf50633/adc.h>
-#include <linux/mfd/pcf50633/gpio.h>
-#include <linux/mfd/pcf50633/pmic.h>
-
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-#include <asm/mach/irq.h>
-
-#include <asm/irq.h>
-#include <asm/mach-types.h>
-
-#include <mach/regs-irq.h>
-#include <mach/regs-gpio.h>
-#include <mach/regs-gpioj.h>
-#include <mach/fb.h>
-
-#include <mach/spi.h>
-#include <mach/spi-gpio.h>
-#include <plat/usb-control.h>
-#include <mach/regs-mem.h>
-#include <mach/hardware.h>
-
-#include <mach/gta02.h>
-
-#include <plat/regs-serial.h>
-#include <plat/nand.h>
-#include <plat/devs.h>
-#include <plat/cpu.h>
-#include <plat/pm.h>
-#include <plat/udc.h>
-#include <plat/gpio-cfg.h>
-#include <plat/iic.h>
-
-static struct pcf50633 *gta02_pcf;
-
-/*
- * This gets called every 1ms when we paniced.
- */
-
-static long gta02_panic_blink(long count)
-{
- long delay = 0;
- static long last_blink;
- static char led;
-
- /* Fast blink: 200ms period. */
- if (count - last_blink < 100)
- return 0;
-
- led ^= 1;
- gpio_direction_output(GTA02_GPIO_AUX_LED, led);
-
- last_blink = count;
-
- return delay;
-}
-
-
-static struct map_desc gta02_iodesc[] __initdata = {
- {
- .virtual = 0xe0000000,
- .pfn = __phys_to_pfn(S3C2410_CS3 + 0x01000000),
- .length = SZ_1M,
- .type = MT_DEVICE
- },
-};
-
-#define UCON (S3C2410_UCON_DEFAULT | S3C2443_UCON_RXERR_IRQEN)
-#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB)
-#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
-
-static struct s3c2410_uartcfg gta02_uartcfgs[] = {
- [0] = {
- .hwport = 0,
- .flags = 0,
- .ucon = UCON,
- .ulcon = ULCON,
- .ufcon = UFCON,
- },
- [1] = {
- .hwport = 1,
- .flags = 0,
- .ucon = UCON,
- .ulcon = ULCON,
- .ufcon = UFCON,
- },
- [2] = {
- .hwport = 2,
- .flags = 0,
- .ucon = UCON,
- .ulcon = ULCON,
- .ufcon = UFCON,
- },
-};
-
-#ifdef CONFIG_CHARGER_PCF50633
-/*
- * On GTA02 the 1A charger features a 48K resistor to 0V on the ID pin.
- * We use this to recognize that we can pull 1A from the USB socket.
- *
- * These constants are the measured pcf50633 ADC levels with the 1A
- * charger / 48K resistor, and with no pulldown resistor.
- */
-
-#define ADC_NOM_CHG_DETECT_1A 6
-#define ADC_NOM_CHG_DETECT_USB 43
-
-static void
-gta02_configure_pmu_for_charger(struct pcf50633 *pcf, void *unused, int res)
-{
- int ma;
-
- /* Interpret charger type */
- if (res < ((ADC_NOM_CHG_DETECT_USB + ADC_NOM_CHG_DETECT_1A) / 2)) {
-
- /*
- * Sanity - stop GPO driving out now that we have a 1A charger
- * GPO controls USB Host power generation on GTA02
- */
- pcf50633_gpio_set(pcf, PCF50633_GPO, 0);
-
- ma = 1000;
- } else
- ma = 100;
-
- pcf50633_mbc_usb_curlim_set(pcf, ma);
-}
-
-static struct delayed_work gta02_charger_work;
-static int gta02_usb_vbus_draw;
-
-static void gta02_charger_worker(struct work_struct *work)
-{
- if (gta02_usb_vbus_draw) {
- pcf50633_mbc_usb_curlim_set(gta02_pcf, gta02_usb_vbus_draw);
- return;
- }
-
-#ifdef CONFIG_PCF50633_ADC
- pcf50633_adc_async_read(gta02_pcf,
- PCF50633_ADCC1_MUX_ADCIN1,
- PCF50633_ADCC1_AVERAGE_16,
- gta02_configure_pmu_for_charger,
- NULL);
-#else
- /*
- * If the PCF50633 ADC is disabled we fallback to a
- * 100mA limit for safety.
- */
- pcf50633_mbc_usb_curlim_set(pcf, 100);
-#endif
-}
-
-#define GTA02_CHARGER_CONFIGURE_TIMEOUT ((3000 * HZ) / 1000)
-
-static void gta02_pmu_event_callback(struct pcf50633 *pcf, int irq)
-{
- if (irq == PCF50633_IRQ_USBINS) {
- schedule_delayed_work(>a02_charger_work,
- GTA02_CHARGER_CONFIGURE_TIMEOUT);
-
- return;
- }
-
- if (irq == PCF50633_IRQ_USBREM) {
- cancel_delayed_work_sync(>a02_charger_work);
- gta02_usb_vbus_draw = 0;
- }
-}
-
-static void gta02_udc_vbus_draw(unsigned int ma)
-{
- if (!gta02_pcf)
- return;
-
- gta02_usb_vbus_draw = ma;
-
- schedule_delayed_work(>a02_charger_work,
- GTA02_CHARGER_CONFIGURE_TIMEOUT);
-}
-#else /* !CONFIG_CHARGER_PCF50633 */
-#define gta02_pmu_event_callback NULL
-#define gta02_udc_vbus_draw NULL
-#endif
-
-/*
- * This is called when pc50633 is probed, unfortunately quite late in the
- * day since it is an I2C bus device. Here we can belatedly define some
- * platform devices with the advantage that we can mark the pcf50633 as the
- * parent. This makes them get suspended and resumed with their parent
- * the pcf50633 still around.
- */
-
-static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf);
-
-
-static char *gta02_batteries[] = {
- "battery",
-};
-
-struct pcf50633_platform_data gta02_pcf_pdata = {
- .resumers = {
- [0] = PCF50633_INT1_USBINS |
- PCF50633_INT1_USBREM |
- PCF50633_INT1_ALARM,
- [1] = PCF50633_INT2_ONKEYF,
- [2] = PCF50633_INT3_ONKEY1S,
- [3] = PCF50633_INT4_LOWSYS |
- PCF50633_INT4_LOWBAT |
- PCF50633_INT4_HIGHTMP,
- },
-
- .batteries = gta02_batteries,
- .num_batteries = ARRAY_SIZE(gta02_batteries),
-
- .charger_reference_current_ma = 1000,
-
- .reg_init_data = {
- [PCF50633_REGULATOR_AUTO] = {
- .constraints = {
- .min_uV = 3300000,
- .max_uV = 3300000,
- .valid_modes_mask = REGULATOR_MODE_NORMAL,
- .always_on = 1,
- .apply_uV = 1,
- .state_mem = {
- .enabled = 1,
- },
- },
- },
- [PCF50633_REGULATOR_DOWN1] = {
- .constraints = {
- .min_uV = 1300000,
- .max_uV = 1600000,
- .valid_modes_mask = REGULATOR_MODE_NORMAL,
- .always_on = 1,
- .apply_uV = 1,
- },
- },
- [PCF50633_REGULATOR_DOWN2] = {
- .constraints = {
- .min_uV = 1800000,
- .max_uV = 1800000,
- .valid_modes_mask = REGULATOR_MODE_NORMAL,
- .apply_uV = 1,
- .always_on = 1,
- .state_mem = {
- .enabled = 1,
- },
- },
- },
- [PCF50633_REGULATOR_HCLDO] = {
- .constraints = {
- .min_uV = 2000000,
- .max_uV = 3300000,
- .valid_modes_mask = REGULATOR_MODE_NORMAL,
- .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
- .always_on = 1,
- },
- },
- [PCF50633_REGULATOR_LDO1] = {
- .constraints = {
- .min_uV = 3300000,
- .max_uV = 3300000,
- .valid_modes_mask = REGULATOR_MODE_NORMAL,
- .apply_uV = 1,
- .state_mem = {
- .enabled = 0,
- },
- },
- },
- [PCF50633_REGULATOR_LDO2] = {
- .constraints = {
- .min_uV = 3300000,
- .max_uV = 3300000,
- .valid_modes_mask = REGULATOR_MODE_NORMAL,
- .apply_uV = 1,
- },
- },
- [PCF50633_REGULATOR_LDO3] = {
- .constraints = {
- .min_uV = 3000000,
- .max_uV = 3000000,
- .valid_modes_mask = REGULATOR_MODE_NORMAL,
- .apply_uV = 1,
- },
- },
- [PCF50633_REGULATOR_LDO4] = {
- .constraints = {
- .min_uV = 3200000,
- .max_uV = 3200000,
- .valid_modes_mask = REGULATOR_MODE_NORMAL,
- .apply_uV = 1,
- },
- },
- [PCF50633_REGULATOR_LDO5] = {
- .constraints = {
- .min_uV = 3000000,
- .max_uV = 3000000,
- .valid_modes_mask = REGULATOR_MODE_NORMAL,
- .apply_uV = 1,
- .state_mem = {
- .enabled = 1,
- },
- },
- },
- [PCF50633_REGULATOR_LDO6] = {
- .constraints = {
- .min_uV = 3000000,
- .max_uV = 3000000,
- .valid_modes_mask = REGULATOR_MODE_NORMAL,
- },
- },
- [PCF50633_REGULATOR_MEMLDO] = {
- .constraints = {
- .min_uV = 1800000,
- .max_uV = 1800000,
- .valid_modes_mask = REGULATOR_MODE_NORMAL,
- .state_mem = {
- .enabled = 1,
- },
- },
- },
-
- },
- .probe_done = gta02_pmu_attach_child_devices,
- .mbc_event_callback = gta02_pmu_event_callback,
-};
-
-
-/* NOR Flash. */
-
-#define GTA02_FLASH_BASE 0x18000000 /* GCS3 */
-#define GTA02_FLASH_SIZE 0x200000 /* 2MBytes */
-
-static struct physmap_flash_data gta02_nor_flash_data = {
- .width = 2,
-};
-
-static struct resource gta02_nor_flash_resource = {
- .start = GTA02_FLASH_BASE,
- .end = GTA02_FLASH_BASE + GTA02_FLASH_SIZE - 1,
- .flags = IORESOURCE_MEM,
-};
-
-static struct platform_device gta02_nor_flash = {
- .name = "physmap-flash",
- .id = 0,
- .dev = {
- .platform_data = >a02_nor_flash_data,
- },
- .resource = >a02_nor_flash_resource,
- .num_resources = 1,
-};
-
-
-struct platform_device s3c24xx_pwm_device = {
- .name = "s3c24xx_pwm",
- .num_resources = 0,
-};
-
-static struct i2c_board_info gta02_i2c_devs[] __initdata = {
- {
- I2C_BOARD_INFO("pcf50633", 0x73),
- .irq = GTA02_IRQ_PCF50633,
- .platform_data = >a02_pcf_pdata,
- },
- {
- I2C_BOARD_INFO("wm8753", 0x1a),
- },
-};
-
-static struct s3c2410_nand_set __initdata gta02_nand_sets[] = {
- [0] = {
- /*
- * This name is also hard-coded in the boot loaders, so
- * changing it would would require all users to upgrade
- * their boot loaders, some of which are stored in a NOR
- * that is considered to be immutable.
- */
- .name = "neo1973-nand",
- .nr_chips = 1,
- .flash_bbt = 1,
- },
-};
-
-/*
- * Choose a set of timings derived from S3C@2442B MCP54
- * data sheet (K5D2G13ACM-D075 MCP Memory).
- */
-
-static struct s3c2410_platform_nand __initdata gta02_nand_info = {
- .tacls = 0,
- .twrph0 = 25,
- .twrph1 = 15,
- .nr_sets = ARRAY_SIZE(gta02_nand_sets),
- .sets = gta02_nand_sets,
-};
-
-
-static void gta02_udc_command(enum s3c2410_udc_cmd_e cmd)
-{
- switch (cmd) {
- case S3C2410_UDC_P_ENABLE:
- pr_debug("%s S3C2410_UDC_P_ENABLE\n", __func__);
- gpio_direction_output(GTA02_GPIO_USB_PULLUP, 1);
- break;
- case S3C2410_UDC_P_DISABLE:
- pr_debug("%s S3C2410_UDC_P_DISABLE\n", __func__);
- gpio_direction_output(GTA02_GPIO_USB_PULLUP, 0);
- break;
- case S3C2410_UDC_P_RESET:
- pr_debug("%s S3C2410_UDC_P_RESET\n", __func__);
- /* FIXME: Do something here. */
- }
-}
-
-/* Get PMU to set USB current limit accordingly. */
-static struct s3c2410_udc_mach_info gta02_udc_cfg = {
- .vbus_draw = gta02_udc_vbus_draw,
- .udc_command = gta02_udc_command,
-
-};
-
-
-
-static void gta02_bl_set_intensity(int intensity)
-{
- struct pcf50633 *pcf = gta02_pcf;
- int old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT);
-
- /* We map 8-bit intensity to 6-bit intensity in hardware. */
- intensity >>= 2;
-
- /*
- * This can happen during, eg, print of panic on blanked console,
- * but we can't service i2c without interrupts active, so abort.
- */
- if (in_atomic()) {
- printk(KERN_ERR "gta02_bl_set_intensity called while atomic\n");
- return;
- }
-
- old_intensity = pcf50633_reg_read(pcf, PCF50633_REG_LEDOUT);
- if (intensity == old_intensity)
- return;
-
- /* We can't do this anywhere else. */
- pcf50633_reg_write(pcf, PCF50633_REG_LEDDIM, 5);
-
- if (!(pcf50633_reg_read(pcf, PCF50633_REG_LEDENA) & 3))
- old_intensity = 0;
-
- /*
- * The PCF50633 cannot handle LEDOUT = 0 (datasheet p60)
- * if seen, you have to re-enable the LED unit.
- */
- if (!intensity || !old_intensity)
- pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 0);
-
- /* Illegal to set LEDOUT to 0. */
- if (!intensity)
- pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f, 2);
- else
- pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_LEDOUT, 0x3f,
- intensity);
-
- if (intensity)
- pcf50633_reg_write(pcf, PCF50633_REG_LEDENA, 2);
-
-}
-
-static struct generic_bl_info gta02_bl_info = {
- .name = "gta02-bl",
- .max_intensity = 0xff,
- .default_intensity = 0xff,
- .set_bl_intensity = gta02_bl_set_intensity,
-};
-
-static struct platform_device gta02_bl_dev = {
- .name = "generic-bl",
- .id = 1,
- .dev = {
- .platform_data = >a02_bl_info,
- },
-};
-
-
-
-/* USB */
-static struct s3c2410_hcd_info gta02_usb_info __initdata = {
- .port[0] = {
- .flags = S3C_HCDFLG_USED,
- },
- .port[1] = {
- .flags = 0,
- },
-};
-
-
-static void __init gta02_map_io(void)
-{
- s3c24xx_init_io(gta02_iodesc, ARRAY_SIZE(gta02_iodesc));
- s3c24xx_init_clocks(12000000);
- s3c24xx_init_uarts(gta02_uartcfgs, ARRAY_SIZE(gta02_uartcfgs));
-}
-
-
-/* These are the guys that don't need to be children of PMU. */
-
-static struct platform_device *gta02_devices[] __initdata = {
- &s3c_device_ohci,
- &s3c_device_wdt,
- &s3c_device_sdi,
- &s3c_device_usbgadget,
- &s3c_device_nand,
- >a02_nor_flash,
- &s3c24xx_pwm_device,
- &s3c_device_iis,
- &s3c_device_i2c0,
-};
-
-/* These guys DO need to be children of PMU. */
-
-static struct platform_device *gta02_devices_pmu_children[] = {
- >a02_bl_dev,
-};
-
-
-/*
- * This is called when pc50633 is probed, quite late in the day since it is an
- * I2C bus device. Here we can define platform devices with the advantage that
- * we can mark the pcf50633 as the parent. This makes them get suspended and
- * resumed with their parent the pcf50633 still around. All devices whose
- * operation depends on something from pcf50633 must have this relationship
- * made explicit like this, or suspend and resume will become an unreliable
- * hellworld.
- */
-
-static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf)
-{
- int n;
-
- /* Grab a copy of the now probed PMU pointer. */
- gta02_pcf = pcf;
-
- for (n = 0; n < ARRAY_SIZE(gta02_devices_pmu_children); n++)
- gta02_devices_pmu_children[n]->dev.parent = pcf->dev;
-
- platform_add_devices(gta02_devices_pmu_children,
- ARRAY_SIZE(gta02_devices_pmu_children));
-}
-
-static void gta02_poweroff(void)
-{
- pcf50633_reg_set_bit_mask(gta02_pcf, PCF50633_REG_OOCSHDWN, 1, 1);
-}
-
-static void __init gta02_machine_init(void)
-{
- /* Set the panic callback to make AUX LED blink at ~5Hz. */
- panic_blink = gta02_panic_blink;
-
- s3c_pm_init();
-
-#ifdef CONFIG_CHARGER_PCF50633
- INIT_DELAYED_WORK(>a02_charger_work, gta02_charger_worker);
-#endif
-
- s3c24xx_udc_set_platdata(>a02_udc_cfg);
- s3c_ohci_set_platdata(>a02_usb_info);
- s3c_nand_set_platdata(>a02_nand_info);
- s3c_i2c0_set_platdata(NULL);
-
- i2c_register_board_info(0, gta02_i2c_devs, ARRAY_SIZE(gta02_i2c_devs));
-
- platform_add_devices(gta02_devices, ARRAY_SIZE(gta02_devices));
- pm_power_off = gta02_poweroff;
-}
-
-
-MACHINE_START(NEO1973_GTA02, "GTA02")
- /* Maintainer: Nelson Castillo <arhuaco@freaks-unidos.net> */
- .phys_io = S3C2410_PA_UART,
- .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
- .boot_params = S3C2410_SDRAM_PA + 0x100,
- .map_io = gta02_map_io,
- .init_irq = s3c24xx_init_irq,
- .init_machine = gta02_machine_init,
- .timer = &s3c24xx_timer,
-MACHINE_END
projects / linux-2.6-block.git / commitdiff