From 70b1726820ba85febfd067471534a19a9902ea60 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Eric=20B=C3=A9nard?= Date: Tue, 12 Oct 2010 16:12:36 +0200 Subject: [PATCH] mx5: add cpuimx51sd module and its baseboard MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Eric Bénard --- arch/arm/mach-mx5/Kconfig | 25 ++ arch/arm/mach-mx5/Makefile | 2 + arch/arm/mach-mx5/board-cpuimx51sd.c | 333 ++++++++++++++++++ arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c | 166 +++++++++ .../plat-mxc/include/mach/eukrea-baseboards.h | 5 +- arch/arm/plat-mxc/include/mach/uncompress.h | 1 + 6 files changed, 531 insertions(+), 1 deletion(-) create mode 100644 arch/arm/mach-mx5/board-cpuimx51sd.c create mode 100644 arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig index fad31cc5004..254b89199df 100644 --- a/arch/arm/mach-mx5/Kconfig +++ b/arch/arm/mach-mx5/Kconfig @@ -49,6 +49,31 @@ config MACH_EUKREA_MBIMX51_BASEBOARD endchoice +config MACH_EUKREA_CPUIMX51SD + bool "Support Eukrea CPUIMX51SD module" + select IMX_HAVE_PLATFORM_IMX_I2C + select IMX_HAVE_PLATFORM_SPI_IMX + select IMX_HAVE_PLATFORM_IMX_UART + select IMX_HAVE_PLATFORM_MXC_NAND + help + Include support for Eukrea CPUIMX51SD platform. This includes + specific configurations for the module and its peripherals. + +choice + prompt "Baseboard" + depends on MACH_EUKREA_CPUIMX51SD + default MACH_EUKREA_MBIMXSD51_BASEBOARD + +config MACH_EUKREA_MBIMXSD51_BASEBOARD + prompt "Eukrea MBIMXSD development board" + bool + select IMX_HAVE_PLATFORM_ESDHC + help + This adds board specific devices that can be found on Eukrea's + MBIMXSD evaluation board. + +endchoice + config MACH_MX51_EFIKAMX bool "Support MX51 Genesi Efika MX nettop" select IMX_HAVE_PLATFORM_IMX_UART diff --git a/arch/arm/mach-mx5/Makefile b/arch/arm/mach-mx5/Makefile index d1aac9c3d33..1769c161a60 100644 --- a/arch/arm/mach-mx5/Makefile +++ b/arch/arm/mach-mx5/Makefile @@ -9,4 +9,6 @@ obj-$(CONFIG_MACH_MX51_BABBAGE) += board-mx51_babbage.o obj-$(CONFIG_MACH_MX51_3DS) += board-mx51_3ds.o obj-$(CONFIG_MACH_EUKREA_CPUIMX51) += board-cpuimx51.o obj-$(CONFIG_MACH_EUKREA_MBIMX51_BASEBOARD) += eukrea_mbimx51-baseboard.o +obj-$(CONFIG_MACH_EUKREA_CPUIMX51SD) += board-cpuimx51sd.o +obj-$(CONFIG_MACH_EUKREA_MBIMXSD51_BASEBOARD) += eukrea_mbimxsd-baseboard.o obj-$(CONFIG_MACH_MX51_EFIKAMX) += board-mx51_efikamx.o diff --git a/arch/arm/mach-mx5/board-cpuimx51sd.c b/arch/arm/mach-mx5/board-cpuimx51sd.c new file mode 100644 index 00000000000..bd5eb61a7eb --- /dev/null +++ b/arch/arm/mach-mx5/board-cpuimx51sd.c @@ -0,0 +1,333 @@ +/* + * + * Copyright (C) 2010 Eric Bénard + * + * based on board-mx51_babbage.c which is + * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright (C) 2009-2010 Amit Kucheria + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include "devices-imx51.h" +#include "devices.h" + +#define USBH1_RST (1*32 + 28) +#define ETH_RST (1*32 + 31) +#define TSC2007_IRQGPIO (2*32 + 12) +#define CAN_IRQGPIO (0*32 + 1) +#define CAN_RST (3*32 + 15) +#define CAN_NCS (3*32 + 24) +#define CAN_RXOBF (0*32 + 4) +#define CAN_RX1BF (0*32 + 6) +#define CAN_TXORTS (0*32 + 7) +#define CAN_TX1RTS (0*32 + 8) +#define CAN_TX2RTS (0*32 + 9) +#define I2C_SCL (3*32 + 16) +#define I2C_SDA (3*32 + 17) + +/* USB_CTRL_1 */ +#define MX51_USB_CTRL_1_OFFSET 0x10 +#define MX51_USB_CTRL_UH1_EXT_CLK_EN (1 << 25) + +#define MX51_USB_PLLDIV_12_MHZ 0x00 +#define MX51_USB_PLL_DIV_19_2_MHZ 0x01 +#define MX51_USB_PLL_DIV_24_MHZ 0x02 + +#define CPUIMX51SD_GPIO_3_12 IOMUX_PAD(0x57C, 0x194, 3, 0x0, 0, \ + MX51_PAD_CTRL_1 | PAD_CTL_PUS_22K_UP) + +static struct pad_desc eukrea_cpuimx51sd_pads[] = { + /* UART1 */ + MX51_PAD_UART1_RXD__UART1_RXD, + MX51_PAD_UART1_TXD__UART1_TXD, + MX51_PAD_UART1_RTS__UART1_RTS, + MX51_PAD_UART1_CTS__UART1_CTS, + + /* USB HOST1 */ + MX51_PAD_USBH1_CLK__USBH1_CLK, + MX51_PAD_USBH1_DIR__USBH1_DIR, + MX51_PAD_USBH1_NXT__USBH1_NXT, + MX51_PAD_USBH1_DATA0__USBH1_DATA0, + MX51_PAD_USBH1_DATA1__USBH1_DATA1, + MX51_PAD_USBH1_DATA2__USBH1_DATA2, + MX51_PAD_USBH1_DATA3__USBH1_DATA3, + MX51_PAD_USBH1_DATA4__USBH1_DATA4, + MX51_PAD_USBH1_DATA5__USBH1_DATA5, + MX51_PAD_USBH1_DATA6__USBH1_DATA6, + MX51_PAD_USBH1_DATA7__USBH1_DATA7, + MX51_PAD_USBH1_STP__USBH1_STP, + MX51_PAD_EIM_CS3__GPIO_2_28, /* PHY nRESET */ + + /* FEC */ + MX51_PAD_EIM_DTACK__GPIO_2_31, /* PHY nRESET */ + + /* HSI2C */ + MX51_PAD_I2C1_CLK__GPIO_4_16, + MX51_PAD_I2C1_DAT__GPIO_4_17, + + /* CAN */ + MX51_PAD_CSPI1_MOSI__ECSPI1_MOSI, + MX51_PAD_CSPI1_MISO__ECSPI1_MISO, + MX51_PAD_CSPI1_SCLK__ECSPI1_SCLK, + MX51_PAD_CSPI1_SS0__GPIO_4_24, /* nCS */ + MX51_PAD_CSI2_PIXCLK__GPIO_4_15, /* nReset */ + MX51_PAD_GPIO_1_1__GPIO_1_1, /* IRQ */ + MX51_PAD_GPIO_1_4__GPIO_1_4, /* Control signals */ + MX51_PAD_GPIO_1_6__GPIO_1_6, + MX51_PAD_GPIO_1_7__GPIO_1_7, + MX51_PAD_GPIO_1_8__GPIO_1_8, + MX51_PAD_GPIO_1_9__GPIO_1_9, + + /* Touchscreen */ + CPUIMX51SD_GPIO_3_12, /* IRQ */ +}; + +static const struct imxuart_platform_data uart_pdata __initconst = { + .flags = IMXUART_HAVE_RTSCTS, +}; + +static int ts_get_pendown_state(void) +{ + return gpio_get_value(TSC2007_IRQGPIO) ? 0 : 1; +} + +static struct tsc2007_platform_data tsc2007_info = { + .model = 2007, + .x_plate_ohms = 180, + .get_pendown_state = ts_get_pendown_state, +}; + +static struct i2c_board_info eukrea_cpuimx51sd_i2c_devices[] = { + { + I2C_BOARD_INFO("pcf8563", 0x51), + }, { + I2C_BOARD_INFO("tsc2007", 0x49), + .type = "tsc2007", + .platform_data = &tsc2007_info, + .irq = gpio_to_irq(TSC2007_IRQGPIO), + }, +}; + +static const struct mxc_nand_platform_data + eukrea_cpuimx51sd_nand_board_info __initconst = { + .width = 1, + .hw_ecc = 1, + .flash_bbt = 1, +}; + +/* This function is board specific as the bit mask for the plldiv will also +be different for other Freescale SoCs, thus a common bitmask is not +possible and cannot get place in /plat-mxc/ehci.c.*/ +static int initialize_otg_port(struct platform_device *pdev) +{ + u32 v; + void __iomem *usb_base; + void __iomem *usbother_base; + + usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K); + usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET; + + /* Set the PHY clock to 19.2MHz */ + v = __raw_readl(usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET); + v &= ~MX5_USB_UTMI_PHYCTRL1_PLLDIV_MASK; + v |= MX51_USB_PLL_DIV_19_2_MHZ; + __raw_writel(v, usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET); + iounmap(usb_base); + return 0; +} + +static int initialize_usbh1_port(struct platform_device *pdev) +{ + u32 v; + void __iomem *usb_base; + void __iomem *usbother_base; + + usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K); + usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET; + + /* The clock for the USBH1 ULPI port will come from the PHY. */ + v = __raw_readl(usbother_base + MX51_USB_CTRL_1_OFFSET); + __raw_writel(v | MX51_USB_CTRL_UH1_EXT_CLK_EN, + usbother_base + MX51_USB_CTRL_1_OFFSET); + iounmap(usb_base); + return 0; +} + +static struct mxc_usbh_platform_data dr_utmi_config = { + .init = initialize_otg_port, + .portsc = MXC_EHCI_UTMI_16BIT, + .flags = MXC_EHCI_INTERNAL_PHY, +}; + +static struct fsl_usb2_platform_data usb_pdata = { + .operating_mode = FSL_USB2_DR_DEVICE, + .phy_mode = FSL_USB2_PHY_UTMI_WIDE, +}; + +static struct mxc_usbh_platform_data usbh1_config = { + .init = initialize_usbh1_port, + .portsc = MXC_EHCI_MODE_ULPI, + .flags = (MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_ITC_NO_THRESHOLD), +}; + +static int otg_mode_host; + +static int __init eukrea_cpuimx51sd_otg_mode(char *options) +{ + if (!strcmp(options, "host")) + otg_mode_host = 1; + else if (!strcmp(options, "device")) + otg_mode_host = 0; + else + pr_info("otg_mode neither \"host\" nor \"device\". " + "Defaulting to device\n"); + return 0; +} +__setup("otg_mode=", eukrea_cpuimx51sd_otg_mode); + +static struct i2c_gpio_platform_data pdata = { + .sda_pin = I2C_SDA, + .sda_is_open_drain = 0, + .scl_pin = I2C_SCL, + .scl_is_open_drain = 0, + .udelay = 2, +}; + +static struct platform_device hsi2c_gpio_device = { + .name = "i2c-gpio", + .id = 0, + .dev.platform_data = &pdata, +}; + +static struct mcp251x_platform_data mcp251x_info = { + .oscillator_frequency = 24E6, +}; + +static struct spi_board_info cpuimx51sd_spi_device[] = { + { + .modalias = "mcp2515", + .max_speed_hz = 6500000, + .bus_num = 0, + .mode = SPI_MODE_0, + .chip_select = 0, + .platform_data = &mcp251x_info, + .irq = gpio_to_irq(0 * 32 + 1) + }, +}; + +static int cpuimx51sd_spi1_cs[] = { + CAN_NCS, +}; + +static const struct spi_imx_master cpuimx51sd_ecspi1_pdata __initconst = { + .chipselect = cpuimx51sd_spi1_cs, + .num_chipselect = ARRAY_SIZE(cpuimx51sd_spi1_cs), +}; + +static struct platform_device *platform_devices[] __initdata = { + &hsi2c_gpio_device, +}; + +static void __init eukrea_cpuimx51sd_init(void) +{ + mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx51sd_pads, + ARRAY_SIZE(eukrea_cpuimx51sd_pads)); + + imx51_add_imx_uart(0, &uart_pdata); + imx51_add_mxc_nand(&eukrea_cpuimx51sd_nand_board_info); + + gpio_request(ETH_RST, "eth_rst"); + gpio_set_value(ETH_RST, 1); + imx51_add_fec(NULL); + + gpio_request(CAN_IRQGPIO, "can_irq"); + gpio_direction_input(CAN_IRQGPIO); + gpio_free(CAN_IRQGPIO); + gpio_request(CAN_NCS, "can_ncs"); + gpio_direction_output(CAN_NCS, 1); + gpio_free(CAN_NCS); + gpio_request(CAN_RST, "can_rst"); + gpio_direction_output(CAN_RST, 0); + msleep(20); + gpio_set_value(CAN_RST, 1); + imx51_add_ecspi(0, &cpuimx51sd_ecspi1_pdata); + spi_register_board_info(cpuimx51sd_spi_device, + ARRAY_SIZE(cpuimx51sd_spi_device)); + + gpio_request(TSC2007_IRQGPIO, "tsc2007_irq"); + gpio_direction_input(TSC2007_IRQGPIO); + gpio_free(TSC2007_IRQGPIO); + + i2c_register_board_info(0, eukrea_cpuimx51sd_i2c_devices, + ARRAY_SIZE(eukrea_cpuimx51sd_i2c_devices)); + platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); + + if (otg_mode_host) + mxc_register_device(&mxc_usbdr_host_device, &dr_utmi_config); + else { + initialize_otg_port(NULL); + mxc_register_device(&mxc_usbdr_udc_device, &usb_pdata); + } + + gpio_request(USBH1_RST, "usb_rst"); + gpio_direction_output(USBH1_RST, 0); + msleep(20); + gpio_set_value(USBH1_RST, 1); + mxc_register_device(&mxc_usbh1_device, &usbh1_config); + +#ifdef CONFIG_MACH_EUKREA_MBIMXSD51_BASEBOARD + eukrea_mbimxsd51_baseboard_init(); +#endif +} + +static void __init eukrea_cpuimx51sd_timer_init(void) +{ + mx51_clocks_init(32768, 24000000, 22579200, 0); +} + +static struct sys_timer mxc_timer = { + .init = eukrea_cpuimx51sd_timer_init, +}; + +MACHINE_START(EUKREA_CPUIMX51SD, "Eukrea CPUIMX51SD") + /* Maintainer: Eric Bénard */ + .phys_io = MX51_AIPS1_BASE_ADDR, + .io_pg_offst = ((MX51_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, + .boot_params = PHYS_OFFSET + 0x100, + .map_io = mx51_map_io, + .init_irq = mx51_init_irq, + .init_machine = eukrea_cpuimx51sd_init, + .timer = &mxc_timer, +MACHINE_END diff --git a/arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c b/arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c new file mode 100644 index 00000000000..2b48f519083 --- /dev/null +++ b/arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c @@ -0,0 +1,166 @@ +/* + * Copyright (C) 2010 Eric Benard - eric@eukrea.com + * + * Based on pcm970-baseboard.c which is : + * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de) + * + * 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., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301, USA. + */ + +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include "devices-imx51.h" +#include "devices.h" + +#define MBIMXSD_GPIO_3_31 IOMUX_PAD(0x554, 0x16C, 3, 0x0, 0, \ + MX51_PAD_CTRL_1 | PAD_CTL_PUS_22K_UP) + +static struct pad_desc eukrea_mbimxsd_pads[] = { + /* LED */ + MX51_PAD_NANDF_D10__GPIO_3_30, + /* SWITCH */ + MBIMXSD_GPIO_3_31, + /* UART2 */ + MX51_PAD_UART2_RXD__UART2_RXD, + MX51_PAD_UART2_TXD__UART2_TXD, + /* UART 3 */ + MX51_PAD_UART3_RXD__UART3_RXD, + MX51_PAD_UART3_TXD__UART3_TXD, + MX51_PAD_KEY_COL4__UART3_RTS, + MX51_PAD_KEY_COL5__UART3_CTS, + /* SD */ + MX51_PAD_SD1_CMD__SD1_CMD, + MX51_PAD_SD1_CLK__SD1_CLK, + MX51_PAD_SD1_DATA0__SD1_DATA0, + MX51_PAD_SD1_DATA1__SD1_DATA1, + MX51_PAD_SD1_DATA2__SD1_DATA2, + MX51_PAD_SD1_DATA3__SD1_DATA3, +}; + +#define GPIO_LED1 (2 * 32 + 30) +#define GPIO_SWITCH1 (2 * 32 + 31) + +static struct gpio_led eukrea_mbimxsd_leds[] = { + { + .name = "led1", + .default_trigger = "heartbeat", + .active_low = 1, + .gpio = GPIO_LED1, + }, +}; + +static struct gpio_led_platform_data eukrea_mbimxsd_led_info = { + .leds = eukrea_mbimxsd_leds, + .num_leds = ARRAY_SIZE(eukrea_mbimxsd_leds), +}; + +static struct platform_device eukrea_mbimxsd_leds_gpio = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &eukrea_mbimxsd_led_info, + }, +}; + +static struct gpio_keys_button eukrea_mbimxsd_gpio_buttons[] = { + { + .gpio = GPIO_SWITCH1, + .code = BTN_0, + .desc = "BP1", + .active_low = 1, + .wakeup = 1, + }, +}; + +static struct gpio_keys_platform_data eukrea_mbimxsd_button_data = { + .buttons = eukrea_mbimxsd_gpio_buttons, + .nbuttons = ARRAY_SIZE(eukrea_mbimxsd_gpio_buttons), +}; + +static struct platform_device eukrea_mbimxsd_button_device = { + .name = "gpio-keys", + .id = -1, + .num_resources = 0, + .dev = { + .platform_data = &eukrea_mbimxsd_button_data, + } +}; + +static struct platform_device *platform_devices[] __initdata = { + &eukrea_mbimxsd_leds_gpio, + &eukrea_mbimxsd_button_device, +}; + +static const struct imxuart_platform_data uart_pdata __initconst = { + .flags = IMXUART_HAVE_RTSCTS, +}; + +static struct i2c_board_info eukrea_mbimxsd_i2c_devices[] = { + { + I2C_BOARD_INFO("tlv320aic23", 0x1a), + }, +}; + +/* + * system init for baseboard usage. Will be called by cpuimx51sd init. + * + * Add platform devices present on this baseboard and init + * them from CPU side as far as required to use them later on + */ +void __init eukrea_mbimxsd51_baseboard_init(void) +{ + if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd_pads, + ARRAY_SIZE(eukrea_mbimxsd_pads))) + printk(KERN_ERR "error setting mbimxsd pads !\n"); + + imx51_add_imx_uart(1, NULL); + imx51_add_imx_uart(2, &uart_pdata); + + imx51_add_esdhc(0, NULL); + + gpio_request(GPIO_LED1, "LED1"); + gpio_direction_output(GPIO_LED1, 1); + gpio_free(GPIO_LED1); + + gpio_request(GPIO_SWITCH1, "SWITCH1"); + gpio_direction_input(GPIO_SWITCH1); + gpio_free(GPIO_SWITCH1); + + i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices, + ARRAY_SIZE(eukrea_mbimxsd_i2c_devices)); + + platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); +} diff --git a/arch/arm/plat-mxc/include/mach/eukrea-baseboards.h b/arch/arm/plat-mxc/include/mach/eukrea-baseboards.h index 656acb45d43..a21d3313f99 100644 --- a/arch/arm/plat-mxc/include/mach/eukrea-baseboards.h +++ b/arch/arm/plat-mxc/include/mach/eukrea-baseboards.h @@ -28,19 +28,22 @@ * its own devices, it calls baseboard's init function. * TODO: Add your own baseboard init function and call it from * inside eukrea_cpuimx25_init() eukrea_cpuimx27_init() - * eukrea_cpuimx35_init() or eukrea_cpuimx51_init(). + * eukrea_cpuimx35_init() eukrea_cpuimx51_init() + * or eukrea_cpuimx51sd_init(). * * This example here is for the development board. Refer * mach-mx25/eukrea_mbimxsd-baseboard.c for cpuimx25 * mach-imx/eukrea_mbimx27-baseboard.c for cpuimx27 * mach-mx3/eukrea_mbimxsd-baseboard.c for cpuimx35 * mach-mx5/eukrea_mbimx51-baseboard.c for cpuimx51 + * mach-mx5/eukrea_mbimxsd-baseboard.c for cpuimx51sd */ extern void eukrea_mbimxsd25_baseboard_init(void); extern void eukrea_mbimx27_baseboard_init(void); extern void eukrea_mbimxsd35_baseboard_init(void); extern void eukrea_mbimx51_baseboard_init(void); +extern void eukrea_mbimxsd51_baseboard_init(void); #endif diff --git a/arch/arm/plat-mxc/include/mach/uncompress.h b/arch/arm/plat-mxc/include/mach/uncompress.h index d9bd37e4667..9dd9c2085aa 100644 --- a/arch/arm/plat-mxc/include/mach/uncompress.h +++ b/arch/arm/plat-mxc/include/mach/uncompress.h @@ -99,6 +99,7 @@ static __inline__ void __arch_decomp_setup(unsigned long arch_id) uart_base = MX3X_UART2_BASE_ADDR; break; case MACH_TYPE_MX51_BABBAGE: + case MACH_TYPE_EUKREA_CPUIMX51SD: uart_base = MX51_UART1_BASE_ADDR; break; default: -- 2.39.3