diff options
Diffstat (limited to 'arch/arm/mach-imx/mach-mx31ads.c')
| -rw-r--r-- | arch/arm/mach-imx/mach-mx31ads.c | 579 |
1 files changed, 0 insertions, 579 deletions
diff --git a/arch/arm/mach-imx/mach-mx31ads.c b/arch/arm/mach-imx/mach-mx31ads.c deleted file mode 100644 index 49783385bccf..000000000000 --- a/arch/arm/mach-imx/mach-mx31ads.c +++ /dev/null @@ -1,579 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Copyright (C) 2000 Deep Blue Solutions Ltd - * Copyright (C) 2002 Shane Nay (shane@minirl.com) - * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved. - */ - -#include <linux/types.h> -#include <linux/init.h> -#include <linux/clk.h> -#include <linux/serial_8250.h> -#include <linux/gpio.h> -#include <linux/i2c.h> -#include <linux/irq.h> -#include <linux/irqdomain.h> - -#include <asm/mach-types.h> -#include <asm/mach/arch.h> -#include <asm/mach/time.h> -#include <asm/memory.h> -#include <asm/mach/map.h> - -#ifdef CONFIG_MACH_MX31ADS_WM1133_EV1 -#include <linux/mfd/wm8350/audio.h> -#include <linux/mfd/wm8350/core.h> -#include <linux/mfd/wm8350/pmic.h> -#endif - -#include "common.h" -#include "devices-imx31.h" -#include "hardware.h" -#include "iomux-mx3.h" - -/* Base address of PBC controller */ -#define PBC_BASE_ADDRESS MX31_CS4_BASE_ADDR_VIRT - -/* PBC Board interrupt status register */ -#define PBC_INTSTATUS 0x000016 - -/* PBC Board interrupt current status register */ -#define PBC_INTCURR_STATUS 0x000018 - -/* PBC Interrupt mask register set address */ -#define PBC_INTMASK_SET 0x00001A - -/* PBC Interrupt mask register clear address */ -#define PBC_INTMASK_CLEAR 0x00001C - -/* External UART A */ -#define PBC_SC16C652_UARTA 0x010000 - -/* External UART B */ -#define PBC_SC16C652_UARTB 0x010010 - -#define PBC_INTSTATUS_REG (PBC_INTSTATUS + PBC_BASE_ADDRESS) -#define PBC_INTMASK_SET_REG (PBC_INTMASK_SET + PBC_BASE_ADDRESS) -#define PBC_INTMASK_CLEAR_REG (PBC_INTMASK_CLEAR + PBC_BASE_ADDRESS) - -#define EXPIO_INT_XUART_INTA 10 -#define EXPIO_INT_XUART_INTB 11 - -#define MXC_MAX_EXP_IO_LINES 16 - -/* CS8900 */ -#define EXPIO_INT_ENET_INT 8 -#define CS4_CS8900_MMIO_START 0x20000 - -static struct irq_domain *domain; - -/* - * The serial port definition structure. - */ -static struct plat_serial8250_port serial_platform_data[] = { - { - .membase = (void *)(PBC_BASE_ADDRESS + PBC_SC16C652_UARTA), - .mapbase = (unsigned long)(MX31_CS4_BASE_ADDR + PBC_SC16C652_UARTA), - .uartclk = 14745600, - .regshift = 0, - .iotype = UPIO_MEM, - .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ, - }, { - .membase = (void *)(PBC_BASE_ADDRESS + PBC_SC16C652_UARTB), - .mapbase = (unsigned long)(MX31_CS4_BASE_ADDR + PBC_SC16C652_UARTB), - .uartclk = 14745600, - .regshift = 0, - .iotype = UPIO_MEM, - .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ, - }, - {}, -}; - -static struct platform_device serial_device = { - .name = "serial8250", - .id = 0, - .dev = { - .platform_data = serial_platform_data, - }, -}; - -static struct resource mx31ads_cs8900_resources[] __initdata = { - DEFINE_RES_MEM(MX31_CS4_BASE_ADDR + CS4_CS8900_MMIO_START, SZ_64K), - DEFINE_RES_IRQ(-1), -}; - -static const struct platform_device_info mx31ads_cs8900_devinfo __initconst = { - .name = "cs89x0", - .id = 0, - .res = mx31ads_cs8900_resources, - .num_res = ARRAY_SIZE(mx31ads_cs8900_resources), -}; - -static int __init mxc_init_extuart(void) -{ - serial_platform_data[0].irq = irq_find_mapping(domain, - EXPIO_INT_XUART_INTA); - serial_platform_data[1].irq = irq_find_mapping(domain, - EXPIO_INT_XUART_INTB); - return platform_device_register(&serial_device); -} - -static void __init mxc_init_ext_ethernet(void) -{ - mx31ads_cs8900_resources[1].start = - irq_find_mapping(domain, EXPIO_INT_ENET_INT); - mx31ads_cs8900_resources[1].end = - irq_find_mapping(domain, EXPIO_INT_ENET_INT); - platform_device_register_full( - (struct platform_device_info *)&mx31ads_cs8900_devinfo); -} - -static const struct imxuart_platform_data uart_pdata __initconst = { - .flags = IMXUART_HAVE_RTSCTS, -}; - -static unsigned int uart_pins[] = { - MX31_PIN_CTS1__CTS1, - MX31_PIN_RTS1__RTS1, - MX31_PIN_TXD1__TXD1, - MX31_PIN_RXD1__RXD1 -}; - -static inline void mxc_init_imx_uart(void) -{ - mxc_iomux_setup_multiple_pins(uart_pins, ARRAY_SIZE(uart_pins), "uart-0"); - imx31_add_imx_uart0(&uart_pdata); -} - -static void mx31ads_expio_irq_handler(struct irq_desc *desc) -{ - u32 imr_val; - u32 int_valid; - u32 expio_irq; - - imr_val = imx_readw(PBC_INTMASK_SET_REG); - int_valid = imx_readw(PBC_INTSTATUS_REG) & imr_val; - - expio_irq = 0; - for (; int_valid != 0; int_valid >>= 1, expio_irq++) { - if ((int_valid & 1) == 0) - continue; - - generic_handle_irq(irq_find_mapping(domain, expio_irq)); - } -} - -/* - * Disable an expio pin's interrupt by setting the bit in the imr. - * @param d an expio virtual irq description - */ -static void expio_mask_irq(struct irq_data *d) -{ - u32 expio = d->hwirq; - /* mask the interrupt */ - imx_writew(1 << expio, PBC_INTMASK_CLEAR_REG); - imx_readw(PBC_INTMASK_CLEAR_REG); -} - -/* - * Acknowledge an expanded io pin's interrupt by clearing the bit in the isr. - * @param d an expio virtual irq description - */ -static void expio_ack_irq(struct irq_data *d) -{ - u32 expio = d->hwirq; - /* clear the interrupt status */ - imx_writew(1 << expio, PBC_INTSTATUS_REG); -} - -/* - * Enable a expio pin's interrupt by clearing the bit in the imr. - * @param d an expio virtual irq description - */ -static void expio_unmask_irq(struct irq_data *d) -{ - u32 expio = d->hwirq; - /* unmask the interrupt */ - imx_writew(1 << expio, PBC_INTMASK_SET_REG); -} - -static struct irq_chip expio_irq_chip = { - .name = "EXPIO(CPLD)", - .irq_ack = expio_ack_irq, - .irq_mask = expio_mask_irq, - .irq_unmask = expio_unmask_irq, -}; - -static void __init mx31ads_init_expio(void) -{ - int irq_base; - int i, irq; - - printk(KERN_INFO "MX31ADS EXPIO(CPLD) hardware\n"); - - /* - * Configure INT line as GPIO input - */ - mxc_iomux_alloc_pin(IOMUX_MODE(MX31_PIN_GPIO1_4, IOMUX_CONFIG_GPIO), "expio"); - - /* disable the interrupt and clear the status */ - imx_writew(0xFFFF, PBC_INTMASK_CLEAR_REG); - imx_writew(0xFFFF, PBC_INTSTATUS_REG); - - irq_base = irq_alloc_descs(-1, 0, MXC_MAX_EXP_IO_LINES, numa_node_id()); - WARN_ON(irq_base < 0); - - domain = irq_domain_add_legacy(NULL, MXC_MAX_EXP_IO_LINES, irq_base, 0, - &irq_domain_simple_ops, NULL); - WARN_ON(!domain); - - for (i = irq_base; i < irq_base + MXC_MAX_EXP_IO_LINES; i++) { - irq_set_chip_and_handler(i, &expio_irq_chip, handle_level_irq); - irq_clear_status_flags(i, IRQ_NOREQUEST); - } - irq = gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_4)); - irq_set_irq_type(irq, IRQ_TYPE_LEVEL_HIGH); - irq_set_chained_handler(irq, mx31ads_expio_irq_handler); -} - -#ifdef CONFIG_MACH_MX31ADS_WM1133_EV1 -/* This section defines setup for the Wolfson Microelectronics - * 1133-EV1 PMU/audio board. When other PMU boards are supported the - * regulator definitions may be shared with them, but for now they can - * only be used with this board so would generate warnings about - * unused statics and some of the configuration is specific to this - * module. - */ - -/* CPU */ -static struct regulator_consumer_supply sw1a_consumers[] = { - { - .supply = "cpu_vcc", - } -}; - -static struct regulator_init_data sw1a_data = { - .constraints = { - .name = "SW1A", - .min_uV = 1275000, - .max_uV = 1600000, - .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | - REGULATOR_CHANGE_MODE, - .valid_modes_mask = REGULATOR_MODE_NORMAL | - REGULATOR_MODE_FAST, - .state_mem = { - .uV = 1400000, - .mode = REGULATOR_MODE_NORMAL, - .enabled = 1, - }, - .initial_state = PM_SUSPEND_MEM, - .always_on = 1, - .boot_on = 1, - }, - .num_consumer_supplies = ARRAY_SIZE(sw1a_consumers), - .consumer_supplies = sw1a_consumers, -}; - -/* System IO - High */ -static struct regulator_init_data viohi_data = { - .constraints = { - .name = "VIOHO", - .min_uV = 2800000, - .max_uV = 2800000, - .state_mem = { - .uV = 2800000, - .mode = REGULATOR_MODE_NORMAL, - .enabled = 1, - }, - .initial_state = PM_SUSPEND_MEM, - .always_on = 1, - .boot_on = 1, - }, -}; - -/* System IO - Low */ -static struct regulator_init_data violo_data = { - .constraints = { - .name = "VIOLO", - .min_uV = 1800000, - .max_uV = 1800000, - .state_mem = { - .uV = 1800000, - .mode = REGULATOR_MODE_NORMAL, - .enabled = 1, - }, - .initial_state = PM_SUSPEND_MEM, - .always_on = 1, - .boot_on = 1, - }, -}; - -/* DDR RAM */ -static struct regulator_init_data sw2a_data = { - .constraints = { - .name = "SW2A", - .min_uV = 1800000, - .max_uV = 1800000, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - .state_mem = { - .uV = 1800000, - .mode = REGULATOR_MODE_NORMAL, - .enabled = 1, - }, - .state_disk = { - .mode = REGULATOR_MODE_NORMAL, - .enabled = 0, - }, - .always_on = 1, - .boot_on = 1, - .initial_state = PM_SUSPEND_MEM, - }, -}; - -static struct regulator_init_data ldo1_data = { - .constraints = { - .name = "VCAM/VMMC1/VMMC2", - .min_uV = 2800000, - .max_uV = 2800000, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - .valid_ops_mask = REGULATOR_CHANGE_STATUS, - .apply_uV = 1, - }, -}; - -static struct regulator_consumer_supply ldo2_consumers[] = { - { .supply = "AVDD", .dev_name = "1-001a" }, - { .supply = "HPVDD", .dev_name = "1-001a" }, -}; - -/* CODEC and SIM */ -static struct regulator_init_data ldo2_data = { - .constraints = { - .name = "VESIM/VSIM/AVDD", - .min_uV = 3300000, - .max_uV = 3300000, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - .valid_ops_mask = REGULATOR_CHANGE_STATUS, - .apply_uV = 1, - }, - .num_consumer_supplies = ARRAY_SIZE(ldo2_consumers), - .consumer_supplies = ldo2_consumers, -}; - -/* General */ -static struct regulator_init_data vdig_data = { - .constraints = { - .name = "VDIG", - .min_uV = 1500000, - .max_uV = 1500000, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - .apply_uV = 1, - .always_on = 1, - .boot_on = 1, - }, -}; - -/* Tranceivers */ -static struct regulator_init_data ldo4_data = { - .constraints = { - .name = "VRF1/CVDD_2.775", - .min_uV = 2500000, - .max_uV = 2500000, - .valid_modes_mask = REGULATOR_MODE_NORMAL, - .apply_uV = 1, - .always_on = 1, - .boot_on = 1, - }, -}; - -static struct wm8350_led_platform_data wm8350_led_data = { - .name = "wm8350:white", - .default_trigger = "heartbeat", - .max_uA = 27899, -}; - -static struct wm8350_audio_platform_data imx32ads_wm8350_setup = { - .vmid_discharge_msecs = 1000, - .drain_msecs = 30, - .cap_discharge_msecs = 700, - .vmid_charge_msecs = 700, - .vmid_s_curve = WM8350_S_CURVE_SLOW, - .dis_out4 = WM8350_DISCHARGE_SLOW, - .dis_out3 = WM8350_DISCHARGE_SLOW, - .dis_out2 = WM8350_DISCHARGE_SLOW, - .dis_out1 = WM8350_DISCHARGE_SLOW, - .vroi_out4 = WM8350_TIE_OFF_500R, - .vroi_out3 = WM8350_TIE_OFF_500R, - .vroi_out2 = WM8350_TIE_OFF_500R, - .vroi_out1 = WM8350_TIE_OFF_500R, - .vroi_enable = 0, - .codec_current_on = WM8350_CODEC_ISEL_1_0, - .codec_current_standby = WM8350_CODEC_ISEL_0_5, - .codec_current_charge = WM8350_CODEC_ISEL_1_5, -}; - -static int mx31_wm8350_init(struct wm8350 *wm8350) -{ - wm8350_gpio_config(wm8350, 0, WM8350_GPIO_DIR_IN, - WM8350_GPIO0_PWR_ON_IN, WM8350_GPIO_ACTIVE_LOW, - WM8350_GPIO_PULL_UP, WM8350_GPIO_INVERT_OFF, - WM8350_GPIO_DEBOUNCE_ON); - - wm8350_gpio_config(wm8350, 3, WM8350_GPIO_DIR_IN, - WM8350_GPIO3_PWR_OFF_IN, WM8350_GPIO_ACTIVE_HIGH, - WM8350_GPIO_PULL_DOWN, WM8350_GPIO_INVERT_OFF, - WM8350_GPIO_DEBOUNCE_ON); - - wm8350_gpio_config(wm8350, 4, WM8350_GPIO_DIR_IN, - WM8350_GPIO4_MR_IN, WM8350_GPIO_ACTIVE_HIGH, - WM8350_GPIO_PULL_DOWN, WM8350_GPIO_INVERT_OFF, - WM8350_GPIO_DEBOUNCE_OFF); - - wm8350_gpio_config(wm8350, 7, WM8350_GPIO_DIR_IN, - WM8350_GPIO7_HIBERNATE_IN, WM8350_GPIO_ACTIVE_HIGH, - WM8350_GPIO_PULL_DOWN, WM8350_GPIO_INVERT_OFF, - WM8350_GPIO_DEBOUNCE_OFF); - - wm8350_gpio_config(wm8350, 6, WM8350_GPIO_DIR_OUT, - WM8350_GPIO6_SDOUT_OUT, WM8350_GPIO_ACTIVE_HIGH, - WM8350_GPIO_PULL_NONE, WM8350_GPIO_INVERT_OFF, - WM8350_GPIO_DEBOUNCE_OFF); - - wm8350_gpio_config(wm8350, 8, WM8350_GPIO_DIR_OUT, - WM8350_GPIO8_VCC_FAULT_OUT, WM8350_GPIO_ACTIVE_LOW, - WM8350_GPIO_PULL_NONE, WM8350_GPIO_INVERT_OFF, - WM8350_GPIO_DEBOUNCE_OFF); - - wm8350_gpio_config(wm8350, 9, WM8350_GPIO_DIR_OUT, - WM8350_GPIO9_BATT_FAULT_OUT, WM8350_GPIO_ACTIVE_LOW, - WM8350_GPIO_PULL_NONE, WM8350_GPIO_INVERT_OFF, - WM8350_GPIO_DEBOUNCE_OFF); - - wm8350_register_regulator(wm8350, WM8350_DCDC_1, &sw1a_data); - wm8350_register_regulator(wm8350, WM8350_DCDC_3, &viohi_data); - wm8350_register_regulator(wm8350, WM8350_DCDC_4, &violo_data); - wm8350_register_regulator(wm8350, WM8350_DCDC_6, &sw2a_data); - wm8350_register_regulator(wm8350, WM8350_LDO_1, &ldo1_data); - wm8350_register_regulator(wm8350, WM8350_LDO_2, &ldo2_data); - wm8350_register_regulator(wm8350, WM8350_LDO_3, &vdig_data); - wm8350_register_regulator(wm8350, WM8350_LDO_4, &ldo4_data); - - /* LEDs */ - wm8350_dcdc_set_slot(wm8350, WM8350_DCDC_5, 1, 1, - WM8350_DC5_ERRACT_SHUTDOWN_CONV); - wm8350_isink_set_flash(wm8350, WM8350_ISINK_A, - WM8350_ISINK_FLASH_DISABLE, - WM8350_ISINK_FLASH_TRIG_BIT, - WM8350_ISINK_FLASH_DUR_32MS, - WM8350_ISINK_FLASH_ON_INSTANT, - WM8350_ISINK_FLASH_OFF_INSTANT, - WM8350_ISINK_FLASH_MODE_EN); - wm8350_dcdc25_set_mode(wm8350, WM8350_DCDC_5, - WM8350_ISINK_MODE_BOOST, - WM8350_ISINK_ILIM_NORMAL, - WM8350_DC5_RMP_20V, - WM8350_DC5_FBSRC_ISINKA); - wm8350_register_led(wm8350, 0, WM8350_DCDC_5, WM8350_ISINK_A, - &wm8350_led_data); - - wm8350->codec.platform_data = &imx32ads_wm8350_setup; - - regulator_has_full_constraints(); - - return 0; -} - -static struct wm8350_platform_data __initdata mx31_wm8350_pdata = { - .init = mx31_wm8350_init, -}; -#endif - -static struct i2c_board_info __initdata mx31ads_i2c1_devices[] = { -#ifdef CONFIG_MACH_MX31ADS_WM1133_EV1 - { - I2C_BOARD_INFO("wm8350", 0x1a), - .platform_data = &mx31_wm8350_pdata, - /* irq number is run-time assigned */ - }, -#endif -}; - -static void __init mxc_init_i2c(void) -{ -#ifdef CONFIG_MACH_MX31ADS_WM1133_EV1 - mx31ads_i2c1_devices[0].irq = - gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3)); -#endif - i2c_register_board_info(1, mx31ads_i2c1_devices, - ARRAY_SIZE(mx31ads_i2c1_devices)); - - mxc_iomux_mode(IOMUX_MODE(MX31_PIN_CSPI2_MOSI, IOMUX_CONFIG_ALT1)); - mxc_iomux_mode(IOMUX_MODE(MX31_PIN_CSPI2_MISO, IOMUX_CONFIG_ALT1)); - - imx31_add_imx_i2c1(NULL); -} - -static unsigned int ssi_pins[] = { - MX31_PIN_SFS5__SFS5, - MX31_PIN_SCK5__SCK5, - MX31_PIN_SRXD5__SRXD5, - MX31_PIN_STXD5__STXD5, -}; - -static void __init mxc_init_audio(void) -{ - imx31_add_imx_ssi(0, NULL); - mxc_iomux_setup_multiple_pins(ssi_pins, ARRAY_SIZE(ssi_pins), "ssi"); -} - -/* - * Static mappings, starting from the CS4 start address up to the start address - * of the CS8900. - */ -static struct map_desc mx31ads_io_desc[] __initdata = { - { - .virtual = (unsigned long)MX31_CS4_BASE_ADDR_VIRT, - .pfn = __phys_to_pfn(MX31_CS4_BASE_ADDR), - .length = CS4_CS8900_MMIO_START, - .type = MT_DEVICE - }, -}; - -static void __init mx31ads_map_io(void) -{ - mx31_map_io(); - iotable_init(mx31ads_io_desc, ARRAY_SIZE(mx31ads_io_desc)); -} - -static void __init mx31ads_init(void) -{ - imx31_soc_init(); - - mxc_init_imx_uart(); - mxc_init_audio(); -} - -static void __init mx31ads_late(void) -{ - mx31ads_init_expio(); - mxc_init_extuart(); - mxc_init_i2c(); - mxc_init_ext_ethernet(); -} - -static void __init mx31ads_timer_init(void) -{ - mx31_clocks_init(26000000); -} - -MACHINE_START(MX31ADS, "Freescale MX31ADS") - /* Maintainer: Freescale Semiconductor, Inc. */ - .atag_offset = 0x100, - .map_io = mx31ads_map_io, - .init_early = imx31_init_early, - .init_irq = mx31_init_irq, - .init_time = mx31ads_timer_init, - .init_machine = mx31ads_init, - .init_late = mx31ads_late, - .restart = mxc_restart, -MACHINE_END |