diff options
Diffstat (limited to 'target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/laguna.c')
| -rw-r--r-- | target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/laguna.c | 1123 |
1 files changed, 0 insertions, 1123 deletions
diff --git a/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/laguna.c b/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/laguna.c deleted file mode 100644 index bee7348266..0000000000 --- a/target/linux/cns3xxx/files/arch/arm/mach-cns3xxx/laguna.c +++ /dev/null @@ -1,1123 +0,0 @@ -/* - * Gateworks Corporation Laguna Platform - * - * Copyright 2000 Deep Blue Solutions Ltd - * Copyright 2008 ARM Limited - * Copyright 2008 Cavium Networks - * Scott Shu - * Copyright 2010 MontaVista Software, LLC. - * Anton Vorontsov <avorontsov@mvista.com> - * Copyright 2011 Gateworks Corporation - * Chris Lang <clang@gateworks.com> - * Copyright 2012-2013 Gateworks Corporation - * Tim Harvey <tharvey@gateworks.com> - * - * This file 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/init.h> -#include <linux/kernel.h> -#include <linux/compiler.h> -#include <linux/io.h> -#include <linux/irq.h> -#include <linux/gpio.h> -#include <linux/dma-mapping.h> -#include <linux/serial_core.h> -#include <linux/serial_8250.h> -#include <linux/platform_device.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/physmap.h> -#include <linux/mtd/partitions.h> -#include <linux/leds.h> -#include <linux/i2c.h> -#include <linux/platform_data/at24.h> -#include <linux/platform_data/pca953x.h> -#include <linux/spi/spi.h> -#include <linux/spi/flash.h> -#include <linux/if_ether.h> -#include <linux/pps-gpio.h> -#include <linux/usb/ehci_pdriver.h> -#include <linux/usb/ohci_pdriver.h> -#include <linux/clk-provider.h> -#include <linux/clkdev.h> -#include <linux/platform_data/cns3xxx.h> -#include <asm/setup.h> -#include <asm/mach-types.h> -#include <asm/mach/arch.h> -#include <asm/mach/map.h> -#include <asm/mach/time.h> -#include <mach/gpio.h> -#include "core.h" -#include "devices.h" -#include "cns3xxx.h" -#include "pm.h" - -#define ARRAY_AND_SIZE(x) (x), ARRAY_SIZE(x) - -// Config 1 Bitmap -#define ETH0_LOAD BIT(0) -#define ETH1_LOAD BIT(1) -#define ETH2_LOAD BIT(2) -#define SATA0_LOAD BIT(3) -#define SATA1_LOAD BIT(4) -#define PCM_LOAD BIT(5) -#define I2S_LOAD BIT(6) -#define SPI0_LOAD BIT(7) -#define SPI1_LOAD BIT(8) -#define PCIE0_LOAD BIT(9) -#define PCIE1_LOAD BIT(10) -#define USB0_LOAD BIT(11) -#define USB1_LOAD BIT(12) -#define USB1_ROUTE BIT(13) -#define SD_LOAD BIT(14) -#define UART0_LOAD BIT(15) -#define UART1_LOAD BIT(16) -#define UART2_LOAD BIT(17) -#define MPCI0_LOAD BIT(18) -#define MPCI1_LOAD BIT(19) -#define MPCI2_LOAD BIT(20) -#define MPCI3_LOAD BIT(21) -#define FP_BUT_LOAD BIT(22) -#define FP_BUT_HEADER_LOAD BIT(23) -#define FP_LED_LOAD BIT(24) -#define FP_LED_HEADER_LOAD BIT(25) -#define FP_TAMPER_LOAD BIT(26) -#define HEADER_33V_LOAD BIT(27) -#define SATA_POWER_LOAD BIT(28) -#define FP_POWER_LOAD BIT(29) -#define GPIO_HEADER_LOAD BIT(30) -#define GSP_BAT_LOAD BIT(31) - -// Config 2 Bitmap -#define FAN_LOAD BIT(0) -#define SPI_FLASH_LOAD BIT(1) -#define NOR_FLASH_LOAD BIT(2) -#define GPS_LOAD BIT(3) -#define SUPPLY_5V_LOAD BIT(6) -#define SUPPLY_33V_LOAD BIT(7) - -struct laguna_board_info { - char model[16]; - u32 config_bitmap; - u32 config2_bitmap; - u8 nor_flash_size; - u8 spi_flash_size; -}; - -static struct laguna_board_info laguna_info __initdata; - -/* - * NOR Flash - */ -static struct mtd_partition laguna_nor_partitions[] = { - { - .name = "uboot", - .offset = 0, - .size = SZ_256K, - .mask_flags = MTD_WRITEABLE, - }, { - .name = "params", - .offset = MTDPART_OFS_APPEND, - .size = SZ_128K, - }, { - .name = "firmware", - .offset = MTDPART_OFS_APPEND, - .size = MTDPART_SIZ_FULL, - }, -}; - -static struct physmap_flash_data laguna_nor_pdata = { - .width = 2, - .parts = laguna_nor_partitions, - .nr_parts = ARRAY_SIZE(laguna_nor_partitions), -}; - -static struct resource laguna_nor_res = { - .start = CNS3XXX_FLASH_BASE, - .end = CNS3XXX_FLASH_BASE + SZ_128M - 1, - .flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT, -}; - -static struct platform_device laguna_nor_pdev = { - .name = "physmap-flash", - .id = 0, - .resource = &laguna_nor_res, - .num_resources = 1, - .dev = { - .platform_data = &laguna_nor_pdata, - }, -}; - -/* - * SPI - */ -static struct mtd_partition laguna_spi_partitions[] = { - { - .name = "uboot", - .offset = 0, - .size = SZ_256K, - .mask_flags = MTD_WRITEABLE, - }, { - .name = "params", - .offset = MTDPART_OFS_APPEND, - .size = SZ_256K, - }, { - .name = "firmware", - .offset = MTDPART_OFS_APPEND, - .size = MTDPART_SIZ_FULL, - }, -}; - -static struct flash_platform_data laguna_spi_pdata = { - .parts = laguna_spi_partitions, - .nr_parts = ARRAY_SIZE(laguna_spi_partitions), -}; - -static struct spi_board_info __initdata laguna_spi_devices[] = { - { - .modalias = "m25p80", - .platform_data = &laguna_spi_pdata, - .max_speed_hz = 50000000, - .bus_num = 1, - .chip_select = 0, - }, -}; - -static struct resource laguna_spi_resource = { - .start = CNS3XXX_SSP_BASE + 0x40, - .end = CNS3XXX_SSP_BASE + 0x6f, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device laguna_spi_controller = { - .name = "cns3xxx_spi", - .resource = &laguna_spi_resource, - .num_resources = 1, -}; - -/* - * LED's - */ -static struct gpio_led laguna_gpio_leds[] = { - { - .name = "user1", /* Green Led */ - .gpio = 115, - .active_low = 1, - },{ - .name = "user2", /* Red Led */ - .gpio = 114, - .active_low = 1, - },{ - .name = "pwr1", /* Green Led */ - .gpio = 116, - .active_low = 1, - },{ - .name = "pwr2", /* Yellow Led */ - .gpio = 117, - .active_low = 1, - },{ - .name = "txd1", /* Green Led */ - .gpio = 118, - .active_low = 1, - },{ - .name = "txd2", /* Yellow Led */ - .gpio = 119, - .active_low = 1, - },{ - .name = "rxd1", /* Green Led */ - .gpio = 120, - .active_low = 1, - },{ - .name = "rxd2", /* Yellow Led */ - .gpio = 121, - .active_low = 1, - },{ - .name = "ser1", /* Green Led */ - .gpio = 122, - .active_low = 1, - },{ - .name = "ser2", /* Yellow Led */ - .gpio = 123, - .active_low = 1, - },{ - .name = "enet1", /* Green Led */ - .gpio = 124, - .active_low = 1, - },{ - .name = "enet2", /* Yellow Led */ - .gpio = 125, - .active_low = 1, - },{ - .name = "sig1_1", /* Green Led */ - .gpio = 126, - .active_low = 1, - },{ - .name = "sig1_2", /* Yellow Led */ - .gpio = 127, - .active_low = 1, - },{ - .name = "sig2_1", /* Green Led */ - .gpio = 128, - .active_low = 1, - },{ - .name = "sig2_2", /* Yellow Led */ - .gpio = 129, - .active_low = 1, - },{ - .name = "sig3_1", /* Green Led */ - .gpio = 130, - .active_low = 1, - },{ - .name = "sig3_2", /* Yellow Led */ - .gpio = 131, - .active_low = 1, - },{ - .name = "net1", /*Green Led */ - .gpio = 109, - .active_low = 1, - },{ - .name = "net2", /* Red Led */ - .gpio = 110, - .active_low = 1, - },{ - .name = "mod1", /* Green Led */ - .gpio = 111, - .active_low = 1, - },{ - .name = "mod2", /* Red Led */ - .gpio = 112, - .active_low = 1, - }, -}; - -static struct gpio_led_platform_data laguna_gpio_leds_data = { - .num_leds = 22, - .leds = laguna_gpio_leds, -}; - -static struct platform_device laguna_gpio_leds_device = { - .name = "leds-gpio", - .id = PLATFORM_DEVID_NONE, - .dev.platform_data = &laguna_gpio_leds_data, -}; - -/* - * Ethernet - */ -static struct cns3xxx_plat_info laguna_net_data = { - .ports = 0, - .phy = { - 0, - 1, - 2, - }, -}; - -static struct resource laguna_net_resource[] = { - { - .name = "eth0_mem", - .start = CNS3XXX_SWITCH_BASE, - .end = CNS3XXX_SWITCH_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM - }, { - .name = "eth_rx", - .start = IRQ_CNS3XXX_SW_R0RXC, - .end = IRQ_CNS3XXX_SW_R0RXC, - .flags = IORESOURCE_IRQ - }, { - .name = "eth_stat", - .start = IRQ_CNS3XXX_SW_STATUS, - .end = IRQ_CNS3XXX_SW_STATUS, - .flags = IORESOURCE_IRQ - } -}; - -static u64 laguna_net_dmamask = DMA_BIT_MASK(32); -static struct platform_device laguna_net_device = { - .name = "cns3xxx_eth", - .id = 0, - .resource = laguna_net_resource, - .num_resources = ARRAY_SIZE(laguna_net_resource), - .dev = { - .dma_mask = &laguna_net_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = &laguna_net_data, - } -}; - -/* - * UART - */ -static void __init laguna_early_serial_setup(void) -{ -#ifdef CONFIG_SERIAL_8250_CONSOLE - static struct uart_port laguna_serial_port = { - .membase = (void __iomem *)CNS3XXX_UART0_BASE_VIRT, - .mapbase = CNS3XXX_UART0_BASE, - .irq = IRQ_CNS3XXX_UART0, - .iotype = UPIO_MEM, - .flags = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE, - .regshift = 2, - .uartclk = 24000000, - .line = 0, - .type = PORT_16550A, - .fifosize = 16, - }; - - early_serial_setup(&laguna_serial_port); -#endif -} - -static struct resource laguna_uart_resources[] = { - { - .start = CNS3XXX_UART0_BASE, - .end = CNS3XXX_UART0_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM - },{ - .start = CNS3XXX_UART1_BASE, - .end = CNS3XXX_UART1_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM - },{ - .start = CNS3XXX_UART2_BASE, - .end = CNS3XXX_UART2_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM - }, -}; - -static struct plat_serial8250_port laguna_uart_data[] = { - { - .mapbase = (CNS3XXX_UART0_BASE), - .irq = IRQ_CNS3XXX_UART0, - .iotype = UPIO_MEM, - .flags = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE | UPF_IOREMAP, - .regshift = 2, - .uartclk = 24000000, - .type = PORT_16550A, - },{ - .mapbase = (CNS3XXX_UART1_BASE), - .irq = IRQ_CNS3XXX_UART1, - .iotype = UPIO_MEM, - .flags = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE | UPF_IOREMAP, - .regshift = 2, - .uartclk = 24000000, - .type = PORT_16550A, - },{ - .mapbase = (CNS3XXX_UART2_BASE), - .irq = IRQ_CNS3XXX_UART2, - .iotype = UPIO_MEM, - .flags = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE | UPF_IOREMAP, - .regshift = 2, - .uartclk = 24000000, - .type = PORT_16550A, - }, - { }, -}; - -static struct platform_device laguna_uart = { - .name = "serial8250", - .id = PLAT8250_DEV_PLATFORM, - .dev.platform_data = laguna_uart_data, - .num_resources = 3, - .resource = laguna_uart_resources -}; - -/* - * USB - */ -static struct resource cns3xxx_usb_ehci_resources[] = { - [0] = { - .start = CNS3XXX_USB_BASE, - .end = CNS3XXX_USB_BASE + SZ_16M - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_CNS3XXX_USB_EHCI, - .flags = IORESOURCE_IRQ, - }, -}; - -static u64 cns3xxx_usb_ehci_dma_mask = DMA_BIT_MASK(32); - -static int csn3xxx_usb_power_on(struct platform_device *pdev) -{ - /* - * EHCI and OHCI share the same clock and power, - * resetting twice would cause the 1st controller been reset. - * Therefore only do power up at the first up device, and - * power down at the last down device. - * - * Set USB AHB INCR length to 16 - */ - if (atomic_inc_return(&usb_pwr_ref) == 1) { - cns3xxx_pwr_power_up(1 << PM_PLL_HM_PD_CTRL_REG_OFFSET_PLL_USB); - cns3xxx_pwr_clk_en(1 << PM_CLK_GATE_REG_OFFSET_USB_HOST); - cns3xxx_pwr_soft_rst(1 << PM_SOFT_RST_REG_OFFST_USB_HOST); - __raw_writel((__raw_readl(MISC_CHIP_CONFIG_REG) | (0X2 << 24)), - MISC_CHIP_CONFIG_REG); - } - - return 0; -} - -static void csn3xxx_usb_power_off(struct platform_device *pdev) -{ - /* - * EHCI and OHCI share the same clock and power, - * resetting twice would cause the 1st controller been reset. - * Therefore only do power up at the first up device, and - * power down at the last down device. - */ - if (atomic_dec_return(&usb_pwr_ref) == 0) - cns3xxx_pwr_clk_dis(1 << PM_CLK_GATE_REG_OFFSET_USB_HOST); -} - -static struct usb_ehci_pdata cns3xxx_usb_ehci_pdata = { - .power_on = csn3xxx_usb_power_on, - .power_off = csn3xxx_usb_power_off, -}; - -static struct platform_device cns3xxx_usb_ehci_device = { - .name = "ehci-platform", - .num_resources = ARRAY_SIZE(cns3xxx_usb_ehci_resources), - .resource = cns3xxx_usb_ehci_resources, - .dev = { - .dma_mask = &cns3xxx_usb_ehci_dma_mask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = &cns3xxx_usb_ehci_pdata, - }, -}; - -static struct resource cns3xxx_usb_ohci_resources[] = { - [0] = { - .start = CNS3XXX_USB_OHCI_BASE, - .end = CNS3XXX_USB_OHCI_BASE + SZ_16M - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_CNS3XXX_USB_OHCI, - .flags = IORESOURCE_IRQ, - }, -}; - -static u64 cns3xxx_usb_ohci_dma_mask = DMA_BIT_MASK(32); - -static struct usb_ohci_pdata cns3xxx_usb_ohci_pdata = { - .num_ports = 1, - .power_on = csn3xxx_usb_power_on, - .power_off = csn3xxx_usb_power_off, -}; - -static struct platform_device cns3xxx_usb_ohci_device = { - .name = "ohci-platform", - .num_resources = ARRAY_SIZE(cns3xxx_usb_ohci_resources), - .resource = cns3xxx_usb_ohci_resources, - .dev = { - .dma_mask = &cns3xxx_usb_ohci_dma_mask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = &cns3xxx_usb_ohci_pdata, - }, -}; - -static struct resource cns3xxx_usb_otg_resources[] = { - [0] = { - .start = CNS3XXX_USBOTG_BASE, - .end = CNS3XXX_USBOTG_BASE + SZ_16M - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_CNS3XXX_USB_OTG, - .flags = IORESOURCE_IRQ, - }, -}; - -static u64 cns3xxx_usb_otg_dma_mask = DMA_BIT_MASK(32); - -static struct platform_device cns3xxx_usb_otg_device = { - .name = "dwc2", - .num_resources = ARRAY_SIZE(cns3xxx_usb_otg_resources), - .resource = cns3xxx_usb_otg_resources, - .dev = { - .dma_mask = &cns3xxx_usb_otg_dma_mask, - .coherent_dma_mask = DMA_BIT_MASK(32), - }, -}; - -/* - * I2C - */ -static struct resource laguna_i2c_resource[] = { - { - .start = CNS3XXX_SSP_BASE + 0x20, - .end = CNS3XXX_SSP_BASE + 0x3f, - .flags = IORESOURCE_MEM, - },{ - .start = IRQ_CNS3XXX_I2C, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device laguna_i2c_controller = { - .name = "cns3xxx-i2c", - .num_resources = 2, - .resource = laguna_i2c_resource, -}; - -static struct nvmem_device *at24_nvmem; - -static void at24_setup(struct nvmem_device *mem_acc, void *context) -{ - char buf[16]; - - at24_nvmem = mem_acc; - - /* Read MAC addresses */ - if (nvmem_device_read(at24_nvmem, 0x100, 6, buf) == 6) - memcpy(&laguna_net_data.hwaddr[0], buf, ETH_ALEN); - if (nvmem_device_read(at24_nvmem, 0x106, 6, buf) == 6) - memcpy(&laguna_net_data.hwaddr[1], buf, ETH_ALEN); - if (nvmem_device_read(at24_nvmem, 0x10C, 6, buf) == 6) - memcpy(&laguna_net_data.hwaddr[2], buf, ETH_ALEN); - if (nvmem_device_read(at24_nvmem, 0x112, 6, buf) == 6) - memcpy(&laguna_net_data.hwaddr[3], buf, ETH_ALEN); - - /* Read out Model Information */ - if (nvmem_device_read(at24_nvmem, 0x130, 16, buf) == 16) - memcpy(&laguna_info.model, buf, 16); - if (nvmem_device_read(at24_nvmem, 0x140, 1, buf) == 1) - memcpy(&laguna_info.nor_flash_size, buf, 1); - if (nvmem_device_read(at24_nvmem, 0x141, 1, buf) == 1) - memcpy(&laguna_info.spi_flash_size, buf, 1); - if (nvmem_device_read(at24_nvmem, 0x142, 4, buf) == 4) - memcpy(&laguna_info.config_bitmap, buf, 4); - if (nvmem_device_read(at24_nvmem, 0x146, 4, buf) == 4) - memcpy(&laguna_info.config2_bitmap, buf, 4); -}; - -static struct at24_platform_data laguna_eeprom_info = { - .byte_len = 1024, - .page_size = 16, - .flags = AT24_FLAG_READONLY, - .setup = at24_setup, -}; - -static struct pca953x_platform_data laguna_pca_data = { - .gpio_base = 100, - .irq_base = -1, -}; - -static struct pca953x_platform_data laguna_pca2_data = { - .gpio_base = 116, - .irq_base = -1, -}; - -static struct i2c_board_info __initdata laguna_i2c_devices[] = { - { - I2C_BOARD_INFO("pca9555", 0x23), - .platform_data = &laguna_pca_data, - },{ - I2C_BOARD_INFO("pca9555", 0x27), - .platform_data = &laguna_pca2_data, - },{ - I2C_BOARD_INFO("gsp", 0x29), - },{ - I2C_BOARD_INFO ("24c08",0x50), - .platform_data = &laguna_eeprom_info, - },{ - I2C_BOARD_INFO("ds1672", 0x68), - }, -}; - -/* - * Watchdog - */ - -static struct resource laguna_watchdog_resources[] = { - [0] = { - .start = CNS3XXX_TC11MP_TWD_BASE + 0x100, // CPU0 watchdog - .end = CNS3XXX_TC11MP_TWD_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, -}; - -static struct platform_device laguna_watchdog = { - .name = "mpcore_wdt", - .id = PLATFORM_DEVID_NONE, - .num_resources = ARRAY_SIZE(laguna_watchdog_resources), - .resource = laguna_watchdog_resources, -}; - -/* - * GPS PPS - */ -static struct pps_gpio_platform_data laguna_pps_data = { - .gpio_pin = 0, - .gpio_label = "GPS_PPS", - .assert_falling_edge = 0, - .capture_clear = 0, -}; - -static struct platform_device laguna_pps_device = { - .name = "pps-gpio", - .id = PLATFORM_DEVID_NONE, - .dev.platform_data = &laguna_pps_data, -}; - -/* - * GPIO - */ - -static struct gpio laguna_gpio_gw2391[] = { - { 0, GPIOF_IN , "*GPS_PPS" }, - { 1, GPIOF_IN , "*GSC_IRQ#" }, - { 2, GPIOF_IN , "*USB_FAULT#" }, - { 5, GPIOF_OUT_INIT_LOW , "*USB0_PCI_SEL" }, - { 6, GPIOF_OUT_INIT_HIGH, "*USB_VBUS_EN" }, - { 7, GPIOF_OUT_INIT_LOW , "*USB1_PCI_SEL" }, - { 8, GPIOF_OUT_INIT_HIGH, "*PERST#" }, - { 9, GPIOF_OUT_INIT_LOW , "*FP_SER_EN#" }, - { 100, GPIOF_IN , "*USER_PB#" }, - { 103, GPIOF_OUT_INIT_HIGH, "*V5_EN" }, - { 108, GPIOF_IN , "DIO0" }, - { 109, GPIOF_IN , "DIO1" }, - { 110, GPIOF_IN , "DIO2" }, - { 111, GPIOF_IN , "DIO3" }, - { 112, GPIOF_IN , "DIO4" }, -}; - -static struct gpio laguna_gpio_gw2388[] = { - { 0, GPIOF_IN , "*GPS_PPS" }, - { 1, GPIOF_IN , "*GSC_IRQ#" }, - { 3, GPIOF_IN , "*USB_FAULT#" }, - { 6, GPIOF_OUT_INIT_HIGH, "*USB_VBUS_EN" }, - { 7, GPIOF_OUT_INIT_LOW , "*GSM_SEL0" }, - { 8, GPIOF_OUT_INIT_LOW , "*GSM_SEL1" }, - { 9, GPIOF_OUT_INIT_LOW , "*FP_SER_EN" }, - { 100, GPIOF_OUT_INIT_HIGH, "*USER_PB#" }, - { 108, GPIOF_IN , "DIO0" }, - { 109, GPIOF_IN , "DIO1" }, - { 110, GPIOF_IN , "DIO2" }, - { 111, GPIOF_IN , "DIO3" }, - { 112, GPIOF_IN , "DIO4" }, -}; - -static struct gpio laguna_gpio_gw2387[] = { - { 0, GPIOF_IN , "*GPS_PPS" }, - { 1, GPIOF_IN , "*GSC_IRQ#" }, - { 2, GPIOF_IN , "*USB_FAULT#" }, - { 5, GPIOF_OUT_INIT_LOW , "*USB_PCI_SEL" }, - { 6, GPIOF_OUT_INIT_HIGH, "*USB_VBUS_EN" }, - { 7, GPIOF_OUT_INIT_LOW , "*GSM_SEL0" }, - { 8, GPIOF_OUT_INIT_LOW , "*GSM_SEL1" }, - { 9, GPIOF_OUT_INIT_LOW , "*FP_SER_EN" }, - { 100, GPIOF_IN , "*USER_PB#" }, - { 103, GPIOF_OUT_INIT_HIGH, "*V5_EN" }, - { 108, GPIOF_IN , "DIO0" }, - { 109, GPIOF_IN , "DIO1" }, - { 110, GPIOF_IN , "DIO2" }, - { 111, GPIOF_IN , "DIO3" }, - { 112, GPIOF_IN , "DIO4" }, - { 113, GPIOF_IN , "DIO5" }, -}; - -static struct gpio laguna_gpio_gw2386[] = { - { 0, GPIOF_IN , "*GPS_PPS" }, - { 2, GPIOF_IN , "*USB_FAULT#" }, - { 6, GPIOF_OUT_INIT_LOW , "*USB_PCI_SEL" }, - { 7, GPIOF_OUT_INIT_LOW , "*GSM_SEL0" }, - { 8, GPIOF_OUT_INIT_LOW , "*GSM_SEL1" }, - { 9, GPIOF_OUT_INIT_LOW , "*FP_SER_EN" }, - { 108, GPIOF_IN , "DIO0" }, - { 109, GPIOF_IN , "DIO1" }, - { 110, GPIOF_IN , "DIO2" }, - { 111, GPIOF_IN , "DIO3" }, - { 112, GPIOF_IN , "DIO4" }, - { 113, GPIOF_IN , "DIO5" }, -}; - -static struct gpio laguna_gpio_gw2385[] = { - { 0, GPIOF_IN , "*GSC_IRQ#" }, - { 1, GPIOF_OUT_INIT_HIGH, "*USB_HST_VBUS_EN" }, - { 2, GPIOF_IN , "*USB_HST_FAULT#" }, - { 5, GPIOF_IN , "*USB_OTG_FAULT#" }, - { 6, GPIOF_OUT_INIT_LOW , "*USB_HST_PCI_SEL" }, - { 7, GPIOF_OUT_INIT_LOW , "*GSM_SEL0" }, - { 8, GPIOF_OUT_INIT_LOW , "*GSM_SEL1" }, - { 9, GPIOF_OUT_INIT_LOW , "*SER_EN" }, - { 10, GPIOF_IN, "*USER_PB#" }, - { 11, GPIOF_OUT_INIT_HIGH, "*PERST#" }, - { 100, GPIOF_IN , "*USER_PB#" }, - { 103, GPIOF_OUT_INIT_HIGH, "V5_EN" }, -}; - -static struct gpio laguna_gpio_gw2384[] = { - { 0, GPIOF_IN , "*GSC_IRQ#" }, - { 1, GPIOF_OUT_INIT_HIGH, "*USB_HST_VBUS_EN" }, - { 2, GPIOF_IN , "*USB_HST_FAULT#" }, - { 5, GPIOF_IN , "*USB_OTG_FAULT#" }, - { 6, GPIOF_OUT_INIT_LOW , "*USB_HST_PCI_SEL" }, - { 7, GPIOF_OUT_INIT_LOW , "*GSM_SEL0" }, - { 8, GPIOF_OUT_INIT_LOW , "*GSM_SEL1" }, - { 9, GPIOF_OUT_INIT_LOW , "*FP_SER_EN" }, - { 12, GPIOF_OUT_INIT_LOW , "J10_DIOLED0" }, - { 13, GPIOF_OUT_INIT_HIGH, "*I2CMUX_RST#" }, - { 14, GPIOF_OUT_INIT_LOW , "J10_DIOLED1" }, - { 15, GPIOF_OUT_INIT_LOW , "J10_DIOLED2" }, - { 100, GPIOF_IN , "*USER_PB#" }, - { 103, GPIOF_OUT_INIT_HIGH, "V5_EN" }, - { 108, GPIOF_IN , "J9_DIOGSC0" }, -}; - -static struct gpio laguna_gpio_gw2383[] = { - { 0, GPIOF_IN , "*GPS_PPS" }, - { 1, GPIOF_IN , "*GSC_IRQ#" }, - { 2, GPIOF_OUT_INIT_HIGH, "*PCIE_RST#" }, - { 3, GPIOF_IN , "GPIO0" }, - { 8, GPIOF_IN , "GPIO1" }, - { 100, GPIOF_IN , "DIO0" }, - { 101, GPIOF_IN , "DIO1" }, - { 108, GPIOF_IN , "*USER_PB#" }, -}; - -static struct gpio laguna_gpio_gw2382[] = { - { 0, GPIOF_IN , "*GPS_PPS" }, - { 1, GPIOF_IN , "*GSC_IRQ#" }, - { 2, GPIOF_OUT_INIT_HIGH, "*PCIE_RST#" }, - { 3, GPIOF_IN , "GPIO0" }, - { 4, GPIOF_IN , "GPIO1" }, - { 9, GPIOF_OUT_INIT_HIGH, "*USB_VBUS_EN" }, - { 10, GPIOF_OUT_INIT_HIGH, "*USB_PCI_SEL#" }, - { 100, GPIOF_IN , "DIO0" }, - { 101, GPIOF_IN , "DIO1" }, - { 108, GPIOF_IN , "*USER_PB#" }, -}; - -static struct gpio laguna_gpio_gw2380[] = { - { 0, GPIOF_IN , "*GPS_PPS" }, - { 1, GPIOF_IN , "*GSC_IRQ#" }, - { 3, GPIOF_IN , "GPIO0" }, - { 8, GPIOF_IN , "GPIO1" }, - { 100, GPIOF_IN , "DIO0" }, - { 101, GPIOF_IN , "DIO1" }, - { 102, GPIOF_IN , "DIO2" }, - { 103, GPIOF_IN , "DIO3" }, - { 108, GPIOF_IN , "*USER_PB#" }, -}; - -/* - * Initialization - */ -static void __init laguna_init(void) -{ - struct clk *clk; - u32 __iomem *reg; - - clk = clk_register_fixed_rate(NULL, "cpu", NULL, - CLK_IGNORE_UNUSED, - cns3xxx_cpu_clock() * (1000000 / 8)); - clk_register_clkdev(clk, "cpu", NULL); - - platform_device_register(&laguna_watchdog); - - platform_device_register(&laguna_i2c_controller); - - /* Set I2C 0-3 drive strength to 21 mA */ - reg = MISC_IO_PAD_DRIVE_STRENGTH_CTRL_B; - *reg |= 0x300; - - /* Enable SCL/SDA for I2C */ - reg = MISC_GPIOB_PIN_ENABLE_REG; - *reg |= BIT(12) | BIT(13); - - /* Enable MMC/SD pins */ - *reg |= BIT(7) | BIT(8) | BIT(9) | BIT(10) | BIT(11); - - cns3xxx_pwr_clk_en(1 << PM_CLK_GATE_REG_OFFSET_SPI_PCM_I2C); - cns3xxx_pwr_power_up(1 << PM_CLK_GATE_REG_OFFSET_SPI_PCM_I2C); - cns3xxx_pwr_soft_rst(1 << PM_CLK_GATE_REG_OFFSET_SPI_PCM_I2C); - - cns3xxx_pwr_clk_en(CNS3XXX_PWR_CLK_EN(SPI_PCM_I2C)); - cns3xxx_pwr_soft_rst(CNS3XXX_PWR_SOFTWARE_RST(SPI_PCM_I2C)); - - i2c_register_board_info(0, ARRAY_AND_SIZE(laguna_i2c_devices)); - - pm_power_off = cns3xxx_power_off; -} - -static struct map_desc laguna_io_desc[] __initdata = { - { - .virtual = CNS3XXX_UART0_BASE_VIRT, - .pfn = __phys_to_pfn(CNS3XXX_UART0_BASE), - .length = SZ_4K, - .type = MT_DEVICE, - }, -}; - -static void __init laguna_map_io(void) -{ - cns3xxx_map_io(); - iotable_init(ARRAY_AND_SIZE(laguna_io_desc)); - laguna_early_serial_setup(); -} - -static int laguna_register_gpio(struct gpio *array, size_t num) -{ - int i, err, ret; - - ret = 0; - for (i = 0; i < num; i++, array++) { - const char *label = array->label; - if (label[0] == '*') - label++; - err = gpio_request_one(array->gpio, array->flags, label); - if (err) - ret = err; - else { - err = gpio_export(array->gpio, array->label[0] != '*'); - } - } - return ret; -} - -/* allow disabling of external isolated PCIe IRQs */ -static int cns3xxx_pciextirq = 1; -static int __init cns3xxx_pciextirq_disable(char *s) -{ - cns3xxx_pciextirq = 0; - return 1; -} -__setup("noextirq", cns3xxx_pciextirq_disable); - -static int __init laguna_pcie_init_irq(void) -{ - u32 __iomem *mem = (void __iomem *)(CNS3XXX_GPIOB_BASE_VIRT + 0x0004); - u32 reg = (__raw_readl(mem) >> 26) & 0xf; - int irqs[] = { - IRQ_CNS3XXX_EXTERNAL_PIN0, - IRQ_CNS3XXX_EXTERNAL_PIN1, - IRQ_CNS3XXX_EXTERNAL_PIN2, - 154, - }; - - if (!machine_is_gw2388()) - return 0; - - /* Verify GPIOB[26:29] == 0001b indicating support for ext irqs */ - if (cns3xxx_pciextirq && reg != 1) - cns3xxx_pciextirq = 0; - - if (cns3xxx_pciextirq) { - printk("laguna: using isolated PCI interrupts:" - " irq%d/irq%d/irq%d/irq%d\n", - irqs[0], irqs[1], irqs[2], irqs[3]); - cns3xxx_pcie_set_irqs(0, irqs); - } else { - printk("laguna: using shared PCI interrupts: irq%d\n", - IRQ_CNS3XXX_PCIE0_DEVICE); - } - - return 0; -} -subsys_initcall(laguna_pcie_init_irq); - -static int __init laguna_model_setup(void) -{ - u32 __iomem *mem; - u32 reg; - - if (!machine_is_gw2388()) - return 0; - - printk("Running on Gateworks Laguna %s\n", laguna_info.model); - cns3xxx_gpio_init( 0, 32, CNS3XXX_GPIOA_BASE_VIRT, IRQ_CNS3XXX_GPIOA, - NR_IRQS_CNS3XXX); - - /* - * If pcie external interrupts are supported and desired - * configure IRQ types and configure pin function. - * Note that cns3xxx_pciextirq is enabled by default, but can be - * unset via the 'noextirq' kernel param or by laguna_pcie_init() if - * the baseboard model does not support this hardware feature. - */ - if (cns3xxx_pciextirq) { - mem = (void __iomem *)(CNS3XXX_MISC_BASE_VIRT + 0x0018); - reg = __raw_readl(mem); - /* GPIO26 is gpio, EXT_INT[0:2] not gpio func */ - reg &= ~0x3c000000; - reg |= 0x38000000; - __raw_writel(reg, mem); - - cns3xxx_gpio_init(32, 32, CNS3XXX_GPIOB_BASE_VIRT, - IRQ_CNS3XXX_GPIOB, NR_IRQS_CNS3XXX + 32); - - irq_set_irq_type(154, IRQ_TYPE_LEVEL_LOW); - irq_set_irq_type(93, IRQ_TYPE_LEVEL_HIGH); - irq_set_irq_type(94, IRQ_TYPE_LEVEL_HIGH); - irq_set_irq_type(95, IRQ_TYPE_LEVEL_HIGH); - } else { - cns3xxx_gpio_init(32, 32, CNS3XXX_GPIOB_BASE_VIRT, - IRQ_CNS3XXX_GPIOB, NR_IRQS_CNS3XXX + 32); - } - - if (strncmp(laguna_info.model, "GW", 2) == 0) { - if (laguna_info.config_bitmap & ETH0_LOAD) - laguna_net_data.ports |= BIT(0); - if (laguna_info.config_bitmap & ETH1_LOAD) - laguna_net_data.ports |= BIT(1); - if (laguna_info.config_bitmap & ETH2_LOAD) - laguna_net_data.ports |= BIT(2); - if (laguna_net_data.ports) - platform_device_register(&laguna_net_device); - - if ((laguna_info.config_bitmap & SATA0_LOAD) || - (laguna_info.config_bitmap & SATA1_LOAD)) - cns3xxx_ahci_init(); - - if (laguna_info.config_bitmap & (USB0_LOAD)) { - cns3xxx_pwr_power_up(1 << PM_PLL_HM_PD_CTRL_REG_OFFSET_PLL_USB); - - /* DRVVBUS pins share with GPIOA */ - mem = (void __iomem *)(CNS3XXX_MISC_BASE_VIRT + 0x0014); - reg = __raw_readl(mem); - reg |= 0x8; - __raw_writel(reg, mem); - - /* Enable OTG */ - mem = (void __iomem *)(CNS3XXX_MISC_BASE_VIRT + 0x0808); - reg = __raw_readl(mem); - reg &= ~(1 << 10); - __raw_writel(reg, mem); - - platform_device_register(&cns3xxx_usb_otg_device); - } - - if (laguna_info.config_bitmap & (USB1_LOAD)) { - platform_device_register(&cns3xxx_usb_ehci_device); - platform_device_register(&cns3xxx_usb_ohci_device); - } - - if (laguna_info.config_bitmap & (SD_LOAD)) - cns3xxx_sdhci_init(); - - if (laguna_info.config_bitmap & (UART0_LOAD)) - laguna_uart.num_resources = 1; - if (laguna_info.config_bitmap & (UART1_LOAD)) - laguna_uart.num_resources = 2; - if (laguna_info.config_bitmap & (UART2_LOAD)) - laguna_uart.num_resources = 3; - platform_device_register(&laguna_uart); - - if (laguna_info.config2_bitmap & (NOR_FLASH_LOAD)) { - laguna_nor_partitions[2].size = - (SZ_4M << laguna_info.nor_flash_size) - - laguna_nor_partitions[2].offset; - laguna_nor_res.end = CNS3XXX_FLASH_BASE + - laguna_nor_partitions[2].offset + - laguna_nor_partitions[2].size - 1; - platform_device_register(&laguna_nor_pdev); - } - - if (laguna_info.config2_bitmap & (SPI_FLASH_LOAD)) { - laguna_spi_partitions[2].size = - (SZ_2M << laguna_info.spi_flash_size) - - laguna_spi_partitions[2].offset; - spi_register_board_info(ARRAY_AND_SIZE(laguna_spi_devices)); - } - - if ((laguna_info.config_bitmap & SPI0_LOAD) || - (laguna_info.config_bitmap & SPI1_LOAD)) - platform_device_register(&laguna_spi_controller); - - if (laguna_info.config2_bitmap & GPS_LOAD) - platform_device_register(&laguna_pps_device); - - /* - * Do any model specific setup not known by the bitmap by matching - * the first 6 characters of the model name - */ - - if ( (strncmp(laguna_info.model, "GW2388", 6) == 0) - || (strncmp(laguna_info.model, "GW2389", 6) == 0) ) - { - // configure GPIO's - laguna_register_gpio(ARRAY_AND_SIZE(laguna_gpio_gw2388)); - // configure LED's - laguna_gpio_leds_data.num_leds = 2; - } else if (strncmp(laguna_info.model, "GW2387", 6) == 0) { - // configure GPIO's - laguna_register_gpio(ARRAY_AND_SIZE(laguna_gpio_gw2387)); - // configure LED's - laguna_gpio_leds_data.num_leds = 2; - } else if (strncmp(laguna_info.model, "GW2386", 6) == 0) { - // configure GPIO's - laguna_register_gpio(ARRAY_AND_SIZE(laguna_gpio_gw2386)); - // configure LED's - laguna_gpio_leds_data.num_leds = 2; - } else if (strncmp(laguna_info.model, "GW2385", 6) == 0) { - // configure GPIO's - laguna_register_gpio(ARRAY_AND_SIZE(laguna_gpio_gw2385)); - // configure LED's - laguna_gpio_leds[0].gpio = 115; - laguna_gpio_leds[1].gpio = 12; - laguna_gpio_leds[1].name = "red"; - laguna_gpio_leds[1].active_low = 0, - laguna_gpio_leds[2].gpio = 14; - laguna_gpio_leds[2].name = "green"; - laguna_gpio_leds[2].active_low = 0, - laguna_gpio_leds[3].gpio = 15; - laguna_gpio_leds[3].name = "blue"; - laguna_gpio_leds[3].active_low = 0, - laguna_gpio_leds_data.num_leds = 4; - } else if ( (strncmp(laguna_info.model, "GW2384", 6) == 0) - || (strncmp(laguna_info.model, "GW2394", 6) == 0) ) - { - // configure GPIO's - laguna_register_gpio(ARRAY_AND_SIZE(laguna_gpio_gw2384)); - // configure LED's - laguna_gpio_leds_data.num_leds = 1; - } else if (strncmp(laguna_info.model, "GW2383", 6) == 0) { - // configure GPIO's - laguna_register_gpio(ARRAY_AND_SIZE(laguna_gpio_gw2383)); - // configure LED's - laguna_gpio_leds[0].gpio = 107; - laguna_gpio_leds_data.num_leds = 1; - } else if (strncmp(laguna_info.model, "GW2382", 6) == 0) { - // configure GPIO's - laguna_register_gpio(ARRAY_AND_SIZE(laguna_gpio_gw2382)); - // configure LED's - laguna_gpio_leds[0].gpio = 107; - laguna_gpio_leds_data.num_leds = 1; - } else if (strncmp(laguna_info.model, "GW2380", 6) == 0) { - // configure GPIO's - laguna_register_gpio(ARRAY_AND_SIZE(laguna_gpio_gw2380)); - // configure LED's - laguna_gpio_leds[0].gpio = 107; - laguna_gpio_leds[1].gpio = 106; - laguna_gpio_leds_data.num_leds = 2; - } else if ( (strncmp(laguna_info.model, "GW2391", 6) == 0) - || (strncmp(laguna_info.model, "GW2393", 6) == 0) ) - { - // configure GPIO's - laguna_register_gpio(ARRAY_AND_SIZE(laguna_gpio_gw2391)); - // configure LED's - laguna_gpio_leds_data.num_leds = 2; - } - platform_device_register(&laguna_gpio_leds_device); - } else { - // Do some defaults here, not sure what yet - } - return 0; -} -late_initcall(laguna_model_setup); - -MACHINE_START(GW2388, "Gateworks Corporation Laguna Platform") - .smp = smp_ops(cns3xxx_smp_ops), - .atag_offset = 0x100, - .map_io = laguna_map_io, - .init_irq = cns3xxx_init_irq, - .init_time = cns3xxx_timer_init, - .init_machine = laguna_init, - .init_late = cns3xxx_pcie_init_late, - .restart = cns3xxx_restart, -MACHINE_END |