diff options
Diffstat (limited to 'arch/arm/mach-imx/mach-cpuimx51.c')
-rw-r--r-- | arch/arm/mach-imx/mach-cpuimx51.c | 301 |
1 files changed, 0 insertions, 301 deletions
diff --git a/arch/arm/mach-imx/mach-cpuimx51.c b/arch/arm/mach-imx/mach-cpuimx51.c deleted file mode 100644 index 944025da833..00000000000 --- a/arch/arm/mach-imx/mach-cpuimx51.c +++ /dev/null @@ -1,301 +0,0 @@ -/* - * - * Copyright (C) 2010 Eric Bénard <eric@eukrea.com> - * - * based on board-mx51_babbage.c which is - * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved. - * Copyright (C) 2009-2010 Amit Kucheria <amit.kucheria@canonical.com> - * - * 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 <linux/init.h> -#include <linux/platform_device.h> -#include <linux/serial_8250.h> -#include <linux/i2c.h> -#include <linux/gpio.h> -#include <linux/delay.h> -#include <linux/io.h> -#include <linux/interrupt.h> - -#include <mach/eukrea-baseboards.h> -#include <mach/common.h> -#include <mach/hardware.h> -#include <mach/iomux-mx51.h> - -#include <asm/setup.h> -#include <asm/mach-types.h> -#include <asm/mach/arch.h> -#include <asm/mach/time.h> - -#include "devices-imx51.h" - -#define CPUIMX51_USBH1_STP IMX_GPIO_NR(1, 27) -#define CPUIMX51_QUARTA_GPIO IMX_GPIO_NR(3, 28) -#define CPUIMX51_QUARTB_GPIO IMX_GPIO_NR(3, 25) -#define CPUIMX51_QUARTC_GPIO IMX_GPIO_NR(3, 26) -#define CPUIMX51_QUARTD_GPIO IMX_GPIO_NR(3, 27) -#define CPUIMX51_QUART_XTAL 14745600 -#define CPUIMX51_QUART_REGSHIFT 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 - -static struct plat_serial8250_port serial_platform_data[] = { - { - .mapbase = (unsigned long)(MX51_CS1_BASE_ADDR + 0x400000), - .irq = IMX_GPIO_TO_IRQ(CPUIMX51_QUARTA_GPIO), - .irqflags = IRQF_TRIGGER_HIGH, - .uartclk = CPUIMX51_QUART_XTAL, - .regshift = CPUIMX51_QUART_REGSHIFT, - .iotype = UPIO_MEM, - .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, - }, { - .mapbase = (unsigned long)(MX51_CS1_BASE_ADDR + 0x800000), - .irq = IMX_GPIO_TO_IRQ(CPUIMX51_QUARTB_GPIO), - .irqflags = IRQF_TRIGGER_HIGH, - .uartclk = CPUIMX51_QUART_XTAL, - .regshift = CPUIMX51_QUART_REGSHIFT, - .iotype = UPIO_MEM, - .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, - }, { - .mapbase = (unsigned long)(MX51_CS1_BASE_ADDR + 0x1000000), - .irq = IMX_GPIO_TO_IRQ(CPUIMX51_QUARTC_GPIO), - .irqflags = IRQF_TRIGGER_HIGH, - .uartclk = CPUIMX51_QUART_XTAL, - .regshift = CPUIMX51_QUART_REGSHIFT, - .iotype = UPIO_MEM, - .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, - }, { - .mapbase = (unsigned long)(MX51_CS1_BASE_ADDR + 0x2000000), - .irq = IMX_GPIO_TO_IRQ(CPUIMX51_QUARTD_GPIO), - .irqflags = IRQF_TRIGGER_HIGH, - .uartclk = CPUIMX51_QUART_XTAL, - .regshift = CPUIMX51_QUART_REGSHIFT, - .iotype = UPIO_MEM, - .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, - }, { - } -}; - -static struct platform_device serial_device = { - .name = "serial8250", - .id = 0, - .dev = { - .platform_data = serial_platform_data, - }, -}; - -static struct platform_device *devices[] __initdata = { - &serial_device, -}; - -static iomux_v3_cfg_t eukrea_cpuimx51_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, - - /* I2C2 */ - MX51_PAD_GPIO1_2__I2C2_SCL, - MX51_PAD_GPIO1_3__I2C2_SDA, - MX51_PAD_NANDF_D10__GPIO3_30, - - /* QUART IRQ */ - MX51_PAD_NANDF_D15__GPIO3_25, - MX51_PAD_NANDF_D14__GPIO3_26, - MX51_PAD_NANDF_D13__GPIO3_27, - MX51_PAD_NANDF_D12__GPIO3_28, - - /* 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, -}; - -static const struct mxc_nand_platform_data - eukrea_cpuimx51_nand_board_info __initconst = { - .width = 1, - .hw_ecc = 1, - .flash_bbt = 1, -}; - -static const struct imxuart_platform_data uart_pdata __initconst = { - .flags = IMXUART_HAVE_RTSCTS, -}; - -static const -struct imxi2c_platform_data eukrea_cpuimx51_i2c_data __initconst = { - .bitrate = 100000, -}; - -static struct i2c_board_info eukrea_cpuimx51_i2c_devices[] = { - { - I2C_BOARD_INFO("pcf8563", 0x51), - }, -}; - -/* 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_USB_OTG_BASE_ADDR, SZ_4K); - if (!usb_base) - return -ENOMEM; - 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); - - mdelay(10); - - return mx51_initialize_usb_hw(0, MXC_EHCI_INTERNAL_PHY); -} - -static int initialize_usbh1_port(struct platform_device *pdev) -{ - u32 v; - void __iomem *usb_base; - void __iomem *usbother_base; - - usb_base = ioremap(MX51_USB_OTG_BASE_ADDR, SZ_4K); - if (!usb_base) - return -ENOMEM; - usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET; - - /* The clock for the USBH1 ULPI port will come externally 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); - - mdelay(10); - - return mx51_initialize_usb_hw(1, MXC_EHCI_POWER_PINS_ENABLED | - MXC_EHCI_ITC_NO_THRESHOLD); -} - -static const struct mxc_usbh_platform_data dr_utmi_config __initconst = { - .init = initialize_otg_port, - .portsc = MXC_EHCI_UTMI_16BIT, -}; - -static const struct fsl_usb2_platform_data usb_pdata __initconst = { - .operating_mode = FSL_USB2_DR_DEVICE, - .phy_mode = FSL_USB2_PHY_UTMI_WIDE, -}; - -static const struct mxc_usbh_platform_data usbh1_config __initconst = { - .init = initialize_usbh1_port, - .portsc = MXC_EHCI_MODE_ULPI, -}; - -static int otg_mode_host; - -static int __init eukrea_cpuimx51_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_cpuimx51_otg_mode); - -/* - * Board specific initialization. - */ -static void __init eukrea_cpuimx51_init(void) -{ - imx51_soc_init(); - - mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx51_pads, - ARRAY_SIZE(eukrea_cpuimx51_pads)); - - imx51_add_imx_uart(0, &uart_pdata); - imx51_add_mxc_nand(&eukrea_cpuimx51_nand_board_info); - - gpio_request(CPUIMX51_QUARTA_GPIO, "quarta_irq"); - gpio_direction_input(CPUIMX51_QUARTA_GPIO); - gpio_free(CPUIMX51_QUARTA_GPIO); - gpio_request(CPUIMX51_QUARTB_GPIO, "quartb_irq"); - gpio_direction_input(CPUIMX51_QUARTB_GPIO); - gpio_free(CPUIMX51_QUARTB_GPIO); - gpio_request(CPUIMX51_QUARTC_GPIO, "quartc_irq"); - gpio_direction_input(CPUIMX51_QUARTC_GPIO); - gpio_free(CPUIMX51_QUARTC_GPIO); - gpio_request(CPUIMX51_QUARTD_GPIO, "quartd_irq"); - gpio_direction_input(CPUIMX51_QUARTD_GPIO); - gpio_free(CPUIMX51_QUARTD_GPIO); - - imx51_add_fec(NULL); - platform_add_devices(devices, ARRAY_SIZE(devices)); - - imx51_add_imx_i2c(1, &eukrea_cpuimx51_i2c_data); - i2c_register_board_info(1, eukrea_cpuimx51_i2c_devices, - ARRAY_SIZE(eukrea_cpuimx51_i2c_devices)); - - if (otg_mode_host) - imx51_add_mxc_ehci_otg(&dr_utmi_config); - else { - initialize_otg_port(NULL); - imx51_add_fsl_usb2_udc(&usb_pdata); - } - imx51_add_mxc_ehci_hs(1, &usbh1_config); - -#ifdef CONFIG_MACH_EUKREA_MBIMX51_BASEBOARD - eukrea_mbimx51_baseboard_init(); -#endif -} - -static void __init eukrea_cpuimx51_timer_init(void) -{ - mx51_clocks_init(32768, 24000000, 22579200, 0); -} - -static struct sys_timer mxc_timer = { - .init = eukrea_cpuimx51_timer_init, -}; - -MACHINE_START(EUKREA_CPUIMX51, "Eukrea CPUIMX51 Module") - /* Maintainer: Eric Bénard <eric@eukrea.com> */ - .atag_offset = 0x100, - .map_io = mx51_map_io, - .init_early = imx51_init_early, - .init_irq = mx51_init_irq, - .handle_irq = imx51_handle_irq, - .timer = &mxc_timer, - .init_machine = eukrea_cpuimx51_init, - .restart = mxc_restart, -MACHINE_END |