diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-22 01:42:32 +0200 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-22 01:42:32 +0200 |
commit | b5153163ed580e00c67bdfecb02b2e3843817b3e (patch) | |
tree | b8c878601f07f5df8f694435857a5f3dcfd75482 /arch/arm/mach-mx5 | |
parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/raf... (diff) | |
parent | arm: remove machine_desc.io_pg_offst and .phys_io (diff) | |
download | linux-b5153163ed580e00c67bdfecb02b2e3843817b3e.tar.xz linux-b5153163ed580e00c67bdfecb02b2e3843817b3e.zip |
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (278 commits)
arm: remove machine_desc.io_pg_offst and .phys_io
arm: use addruart macro to establish debug mappings
arm: return both physical and virtual addresses from addruart
arm/debug: consolidate addruart macros for CONFIG_DEBUG_ICEDCC
ARM: make struct machine_desc definition coherent with its comment
eukrea_mbimxsd-baseboard: Pass the correct GPIO to gpio_free
cpuimx27: fix compile when ULPI is selected
mach-pcm037_eet: fix compile errors
Fixing ethernet driver compilation error for i.MX31 ADS board
cpuimx51: update board support
mx5: add cpuimx51sd module and its baseboard
iomux-mx51: fix GPIO_1_xx 's IOMUX configuration
imx-esdhc: update devices registration
mx51: add resources for SD/MMC on i.MX51
iomux-mx51: fix SD1 and SD2's iomux configuration
clock-mx51: rename CLOCK1 to CLOCK_CCGR for better readability
clock-mx51: factorize clk_set_parent and clk_get_rate
eukrea_mbimxsd: add support for DVI displays
cpuimx25 & cpuimx35: fix OTG port registration in host mode
i.MX31 and i.MX35 : fix errate TLSbo65953 and ENGcm09472
...
Diffstat (limited to 'arch/arm/mach-mx5')
-rw-r--r-- | arch/arm/mach-mx5/Kconfig | 42 | ||||
-rw-r--r-- | arch/arm/mach-mx5/Makefile | 3 | ||||
-rw-r--r-- | arch/arm/mach-mx5/board-cpuimx51.c | 25 | ||||
-rw-r--r-- | arch/arm/mach-mx5/board-cpuimx51sd.c | 331 | ||||
-rw-r--r-- | arch/arm/mach-mx5/board-mx51_3ds.c | 44 | ||||
-rw-r--r-- | arch/arm/mach-mx5/board-mx51_babbage.c | 74 | ||||
-rw-r--r-- | arch/arm/mach-mx5/board-mx51_efikamx.c | 119 | ||||
-rw-r--r-- | arch/arm/mach-mx5/clock-mx51.c | 391 | ||||
-rw-r--r-- | arch/arm/mach-mx5/cpu.c | 19 | ||||
-rw-r--r-- | arch/arm/mach-mx5/devices-imx51.h | 42 | ||||
-rw-r--r-- | arch/arm/mach-mx5/devices.c | 114 | ||||
-rw-r--r-- | arch/arm/mach-mx5/devices.h | 6 | ||||
-rw-r--r-- | arch/arm/mach-mx5/eukrea_mbimx51-baseboard.c | 30 | ||||
-rw-r--r-- | arch/arm/mach-mx5/eukrea_mbimxsd-baseboard.c | 166 |
14 files changed, 1168 insertions, 238 deletions
diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig index 0848db5dd364..a2df9ac37996 100644 --- a/arch/arm/mach-mx5/Kconfig +++ b/arch/arm/mach-mx5/Kconfig @@ -5,11 +5,14 @@ config ARCH_MX51 default y select MXC_TZIC select ARCH_MXC_IOMUX_V3 + select ARCH_MXC_AUDMUX_V2 comment "MX5 platforms:" config MACH_MX51_BABBAGE bool "Support MX51 BABBAGE platforms" + select IMX_HAVE_PLATFORM_IMX_I2C + select IMX_HAVE_PLATFORM_IMX_UART help Include support for MX51 Babbage platform, also known as MX51EVK in u-boot. This includes specific configurations for the board and its @@ -17,6 +20,8 @@ config MACH_MX51_BABBAGE config MACH_MX51_3DS bool "Support MX51PDK (3DS)" + select IMX_HAVE_PLATFORM_IMX_UART + select IMX_HAVE_PLATFORM_SPI_IMX select MXC_DEBUG_BOARD help Include support for MX51PDK (3DS) platform. This includes specific @@ -24,6 +29,10 @@ config MACH_MX51_3DS config MACH_EUKREA_CPUIMX51 bool "Support Eukrea CPUIMX51 module" + select IMX_HAVE_PLATFORM_IMX_I2C + select IMX_HAVE_PLATFORM_IMX_UART + select IMX_HAVE_PLATFORM_MXC_NAND + select IMX_HAVE_PLATFORM_SPI_IMX help Include support for Eukrea CPUIMX51 platform. This includes specific configurations for the module and its peripherals. @@ -36,10 +45,43 @@ choice config MACH_EUKREA_MBIMX51_BASEBOARD prompt "Eukrea MBIMX51 development board" bool + select IMX_HAVE_PLATFORM_ESDHC help This adds board specific devices that can be found on Eukrea's MBIMX51 evaluation board. 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 + help + Include support for Genesi Efika MX nettop. This includes specific + configurations for the board and its peripherals. + endif diff --git a/arch/arm/mach-mx5/Makefile b/arch/arm/mach-mx5/Makefile index 86c66e7f52f3..1769c161a60d 100644 --- a/arch/arm/mach-mx5/Makefile +++ b/arch/arm/mach-mx5/Makefile @@ -9,3 +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-cpuimx51.c b/arch/arm/mach-mx5/board-cpuimx51.c index 623607a20f57..6a9792fd0a76 100644 --- a/arch/arm/mach-mx5/board-cpuimx51.c +++ b/arch/arm/mach-mx5/board-cpuimx51.c @@ -28,9 +28,7 @@ #include <mach/eukrea-baseboards.h> #include <mach/common.h> #include <mach/hardware.h> -#include <mach/imx-uart.h> #include <mach/iomux-mx51.h> -#include <mach/i2c.h> #include <mach/mxc_ehci.h> #include <asm/irq.h> @@ -39,6 +37,7 @@ #include <asm/mach/arch.h> #include <asm/mach/time.h> +#include "devices-imx51.h" #include "devices.h" #define CPUIMX51_USBH1_STP (0*32 + 27) @@ -109,7 +108,6 @@ static struct platform_device serial_device = { #endif static struct platform_device *devices[] __initdata = { - &mxc_fec_device, #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE) &serial_device, #endif @@ -148,11 +146,19 @@ static struct pad_desc eukrea_cpuimx51_pads[] = { MX51_PAD_USBH1_STP__USBH1_STP, }; -static struct imxuart_platform_data uart_pdata = { +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 struct imxi2c_platform_data eukrea_cpuimx51_i2c_data = { +static const +struct imxi2c_platform_data eukrea_cpuimx51_i2c_data __initconst = { .bitrate = 100000, }; @@ -239,7 +245,9 @@ static void __init eukrea_cpuimx51_init(void) mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx51_pads, ARRAY_SIZE(eukrea_cpuimx51_pads)); - mxc_register_device(&mxc_uart_device0, &uart_pdata); + 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); @@ -253,9 +261,10 @@ static void __init eukrea_cpuimx51_init(void) gpio_direction_input(CPUIMX51_QUARTD_GPIO); gpio_free(CPUIMX51_QUARTD_GPIO); + imx51_add_fec(NULL); platform_add_devices(devices, ARRAY_SIZE(devices)); - mxc_register_device(&mxc_i2c_device1, &eukrea_cpuimx51_i2c_data); + imx51_add_imx_i2c(1, &eukrea_cpuimx51_i2c_data); i2c_register_board_info(1, eukrea_cpuimx51_i2c_devices, ARRAY_SIZE(eukrea_cpuimx51_i2c_devices)); @@ -283,8 +292,6 @@ static struct sys_timer mxc_timer = { MACHINE_START(EUKREA_CPUIMX51, "Eukrea CPUIMX51 Module") /* Maintainer: Eric Bénard <eric@eukrea.com> */ - .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, diff --git a/arch/arm/mach-mx5/board-cpuimx51sd.c b/arch/arm/mach-mx5/board-cpuimx51sd.c new file mode 100644 index 000000000000..4b3a6119c5fb --- /dev/null +++ b/arch/arm/mach-mx5/board-cpuimx51sd.c @@ -0,0 +1,331 @@ +/* + * + * 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/i2c.h> +#include <linux/i2c/tsc2007.h> +#include <linux/gpio.h> +#include <linux/delay.h> +#include <linux/io.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/fsl_devices.h> +#include <linux/i2c-gpio.h> +#include <linux/spi/spi.h> +#include <linux/can/platform/mcp251x.h> + +#include <mach/eukrea-baseboards.h> +#include <mach/common.h> +#include <mach/hardware.h> +#include <mach/iomux-mx51.h> +#include <mach/mxc_ehci.h> + +#include <asm/irq.h> +#include <asm/setup.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> + +#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 <eric@eukrea.com> */ + .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/board-mx51_3ds.c b/arch/arm/mach-mx5/board-mx51_3ds.c index f95c2fd94667..79ce8dcf3cda 100644 --- a/arch/arm/mach-mx5/board-mx51_3ds.c +++ b/arch/arm/mach-mx5/board-mx51_3ds.c @@ -13,6 +13,7 @@ #include <linux/irq.h> #include <linux/platform_device.h> #include <linux/input/matrix_keypad.h> +#include <linux/spi/spi.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -21,12 +22,13 @@ #include <mach/hardware.h> #include <mach/common.h> #include <mach/iomux-mx51.h> -#include <mach/imx-uart.h> #include <mach/3ds_debugboard.h> +#include "devices-imx51.h" #include "devices.h" #define EXPIO_PARENT_INT (MXC_INTERNAL_IRQS + GPIO_PORTA + 6) +#define MX51_3DS_ECSPI2_CS (GPIO_PORTC + 28) static struct pad_desc mx51_3ds_pads[] = { /* UART1 */ @@ -61,19 +63,25 @@ static struct pad_desc mx51_3ds_pads[] = { MX51_PAD_KEY_COL3__KEY_COL3, MX51_PAD_KEY_COL4__KEY_COL4, MX51_PAD_KEY_COL5__KEY_COL5, + + /* eCSPI2 */ + MX51_PAD_NANDF_RB2__ECSPI2_SCLK, + MX51_PAD_NANDF_RB3__ECSPI2_MISO, + MX51_PAD_NANDF_D15__ECSPI2_MOSI, + MX51_PAD_NANDF_D12__GPIO_3_28, }; /* Serial ports */ #if defined(CONFIG_SERIAL_IMX) || defined(CONFIG_SERIAL_IMX_MODULE) -static struct imxuart_platform_data uart_pdata = { +static const struct imxuart_platform_data uart_pdata __initconst = { .flags = IMXUART_HAVE_RTSCTS, }; static inline void mxc_init_imx_uart(void) { - mxc_register_device(&mxc_uart_device0, &uart_pdata); - mxc_register_device(&mxc_uart_device1, &uart_pdata); - mxc_register_device(&mxc_uart_device2, &uart_pdata); + imx51_add_imx_uart(0, &uart_pdata); + imx51_add_imx_uart(1, &uart_pdata); + imx51_add_imx_uart(2, &uart_pdata); } #else /* !SERIAL_IMX */ static inline void mxc_init_imx_uart(void) @@ -127,6 +135,26 @@ static inline void mxc_init_keypad(void) } #endif +static int mx51_3ds_spi2_cs[] = { + MXC_SPI_CS(0), + MX51_3DS_ECSPI2_CS, +}; + +static const struct spi_imx_master mx51_3ds_ecspi2_pdata __initconst = { + .chipselect = mx51_3ds_spi2_cs, + .num_chipselect = ARRAY_SIZE(mx51_3ds_spi2_cs), +}; + +static struct spi_board_info mx51_3ds_spi_nor_device[] = { + { + .modalias = "m25p80", + .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 1, + .chip_select = 1, + .mode = SPI_MODE_0, + .platform_data = NULL,}, +}; + /* * Board specific initialization. */ @@ -136,6 +164,10 @@ static void __init mxc_board_init(void) ARRAY_SIZE(mx51_3ds_pads)); mxc_init_imx_uart(); + imx51_add_ecspi(1, &mx51_3ds_ecspi2_pdata); + spi_register_board_info(mx51_3ds_spi_nor_device, + ARRAY_SIZE(mx51_3ds_spi_nor_device)); + if (mxc_expio_init(MX51_CS5_BASE_ADDR, EXPIO_PARENT_INT)) printk(KERN_WARNING "Init of the debugboard failed, all " "devices on the board are unusable.\n"); @@ -154,8 +186,6 @@ static struct sys_timer mxc_timer = { MACHINE_START(MX51_3DS, "Freescale MX51 3-Stack Board") /* Maintainer: Freescale Semiconductor, Inc. */ - .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, diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c index 6e384d92e625..0821fe9b3b27 100644 --- a/arch/arm/mach-mx5/board-mx51_babbage.c +++ b/arch/arm/mach-mx5/board-mx51_babbage.c @@ -17,12 +17,11 @@ #include <linux/delay.h> #include <linux/io.h> #include <linux/fsl_devices.h> +#include <linux/fec.h> #include <mach/common.h> #include <mach/hardware.h> -#include <mach/imx-uart.h> #include <mach/iomux-mx51.h> -#include <mach/i2c.h> #include <mach/mxc_ehci.h> #include <asm/irq.h> @@ -31,11 +30,13 @@ #include <asm/mach/arch.h> #include <asm/mach/time.h> +#include "devices-imx51.h" #include "devices.h" #define BABBAGE_USB_HUB_RESET (0*32 + 7) /* GPIO_1_7 */ #define BABBAGE_USBH1_STP (0*32 + 27) /* GPIO_1_27 */ -#define BABBAGE_PHY_RESET (1*32 +5) /* GPIO_2_5 */ +#define BABBAGE_PHY_RESET (1*32 + 5) /* GPIO_2_5 */ +#define BABBAGE_FEC_PHY_RESET (1*32 + 14) /* GPIO_2_14 */ /* USB_CTRL_1 */ #define MX51_USB_CTRL_1_OFFSET 0x10 @@ -45,10 +46,6 @@ #define MX51_USB_PLL_DIV_19_2_MHZ 0x01 #define MX51_USB_PLL_DIV_24_MHZ 0x02 -static struct platform_device *devices[] __initdata = { - &mxc_fec_device, -}; - static struct pad_desc mx51babbage_pads[] = { /* UART1 */ MX51_PAD_UART1_RXD__UART1_RXD, @@ -93,19 +90,41 @@ static struct pad_desc mx51babbage_pads[] = { /* USB HUB reset line*/ MX51_PAD_GPIO_1_7__GPIO_1_7, + + /* FEC */ + MX51_PAD_EIM_EB2__FEC_MDIO, + MX51_PAD_EIM_EB3__FEC_RDAT1, + MX51_PAD_EIM_CS2__FEC_RDAT2, + MX51_PAD_EIM_CS3__FEC_RDAT3, + MX51_PAD_EIM_CS4__FEC_RX_ER, + MX51_PAD_EIM_CS5__FEC_CRS, + MX51_PAD_NANDF_RB2__FEC_COL, + MX51_PAD_NANDF_RB3__FEC_RXCLK, + MX51_PAD_NANDF_RB6__FEC_RDAT0, + MX51_PAD_NANDF_RB7__FEC_TDAT0, + MX51_PAD_NANDF_CS2__FEC_TX_ER, + MX51_PAD_NANDF_CS3__FEC_MDC, + MX51_PAD_NANDF_CS4__FEC_TDAT1, + MX51_PAD_NANDF_CS5__FEC_TDAT2, + MX51_PAD_NANDF_CS6__FEC_TDAT3, + MX51_PAD_NANDF_CS7__FEC_TX_EN, + MX51_PAD_NANDF_RDY_INT__FEC_TX_CLK, + + /* FEC PHY reset line */ + MX51_PAD_EIM_A20__GPIO_2_14, }; /* Serial ports */ #if defined(CONFIG_SERIAL_IMX) || defined(CONFIG_SERIAL_IMX_MODULE) -static struct imxuart_platform_data uart_pdata = { +static const struct imxuart_platform_data uart_pdata __initconst = { .flags = IMXUART_HAVE_RTSCTS, }; static inline void mxc_init_imx_uart(void) { - mxc_register_device(&mxc_uart_device0, &uart_pdata); - mxc_register_device(&mxc_uart_device1, &uart_pdata); - mxc_register_device(&mxc_uart_device2, &uart_pdata); + imx51_add_imx_uart(0, &uart_pdata); + imx51_add_imx_uart(1, &uart_pdata); + imx51_add_imx_uart(2, &uart_pdata); } #else /* !SERIAL_IMX */ static inline void mxc_init_imx_uart(void) @@ -113,7 +132,7 @@ static inline void mxc_init_imx_uart(void) } #endif /* SERIAL_IMX */ -static struct imxi2c_platform_data babbage_i2c_data = { +static const struct imxi2c_platform_data babbage_i2c_data __initconst = { .bitrate = 100000, }; @@ -171,6 +190,22 @@ static inline void babbage_usbhub_reset(void) gpio_set_value(BABBAGE_USB_HUB_RESET, 1); } +static inline void babbage_fec_reset(void) +{ + int ret; + + /* reset FEC PHY */ + ret = gpio_request(BABBAGE_FEC_PHY_RESET, "fec-phy-reset"); + if (ret) { + printk(KERN_ERR"failed to get GPIO_FEC_PHY_RESET: %d\n", ret); + return; + } + gpio_direction_output(BABBAGE_FEC_PHY_RESET, 0); + gpio_set_value(BABBAGE_FEC_PHY_RESET, 0); + msleep(1); + gpio_set_value(BABBAGE_FEC_PHY_RESET, 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.*/ @@ -178,7 +213,7 @@ static int initialize_otg_port(struct platform_device *pdev) { u32 v; void __iomem *usb_base; - u32 usbother_base; + void __iomem *usbother_base; usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K); usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET; @@ -196,7 +231,7 @@ static int initialize_usbh1_port(struct platform_device *pdev) { u32 v; void __iomem *usb_base; - u32 usbother_base; + void __iomem *usbother_base; usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K); usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET; @@ -250,10 +285,11 @@ static void __init mxc_board_init(void) mxc_iomux_v3_setup_multiple_pads(mx51babbage_pads, ARRAY_SIZE(mx51babbage_pads)); mxc_init_imx_uart(); - platform_add_devices(devices, ARRAY_SIZE(devices)); + babbage_fec_reset(); + imx51_add_fec(NULL); - mxc_register_device(&mxc_i2c_device0, &babbage_i2c_data); - mxc_register_device(&mxc_i2c_device1, &babbage_i2c_data); + imx51_add_imx_i2c(0, &babbage_i2c_data); + imx51_add_imx_i2c(1, &babbage_i2c_data); mxc_register_device(&mxc_hsi2c_device, &babbage_hsi2c_data); if (otg_mode_host) @@ -281,9 +317,7 @@ static struct sys_timer mxc_timer = { MACHINE_START(MX51_BABBAGE, "Freescale MX51 Babbage Board") /* Maintainer: Amit Kucheria <amit.kucheria@canonical.com> */ - .phys_io = MX51_AIPS1_BASE_ADDR, - .io_pg_offst = ((MX51_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, - .boot_params = PHYS_OFFSET + 0x100, + .boot_params = MX51_PHYS_OFFSET + 0x100, .map_io = mx51_map_io, .init_irq = mx51_init_irq, .init_machine = mxc_board_init, diff --git a/arch/arm/mach-mx5/board-mx51_efikamx.c b/arch/arm/mach-mx5/board-mx51_efikamx.c new file mode 100644 index 000000000000..6e623bda3ee7 --- /dev/null +++ b/arch/arm/mach-mx5/board-mx51_efikamx.c @@ -0,0 +1,119 @@ +/* + * Copyright (C) 2010 Linaro Limited + * + * based on code from the following + * Copyright 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2009-2010 Pegatron Corporation. All Rights Reserved. + * Copyright 2009-2010 Genesi USA, Inc. All Rights Reserved. + * + * 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/i2c.h> +#include <linux/gpio.h> +#include <linux/delay.h> +#include <linux/io.h> +#include <linux/fsl_devices.h> + +#include <mach/common.h> +#include <mach/hardware.h> +#include <mach/iomux-mx51.h> +#include <mach/i2c.h> +#include <mach/mxc_ehci.h> + +#include <asm/irq.h> +#include <asm/setup.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> + +#include "devices-imx51.h" +#include "devices.h" + +#define MX51_USB_PLL_DIV_24_MHZ 0x01 + +static struct pad_desc mx51efikamx_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, +}; + +/* Serial ports */ +#if defined(CONFIG_SERIAL_IMX) || defined(CONFIG_SERIAL_IMX_MODULE) +static const struct imxuart_platform_data uart_pdata = { + .flags = IMXUART_HAVE_RTSCTS, +}; + +static inline void mxc_init_imx_uart(void) +{ + imx51_add_imx_uart(0, &uart_pdata); + imx51_add_imx_uart(1, &uart_pdata); + imx51_add_imx_uart(2, &uart_pdata); +} +#else /* !SERIAL_IMX */ +static inline void mxc_init_imx_uart(void) +{ +} +#endif /* SERIAL_IMX */ + +/* 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 = (void __iomem *)(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_24_MHZ; + __raw_writel(v, usbother_base + MXC_USB_PHY_CTR_FUNC2_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 void __init mxc_board_init(void) +{ + mxc_iomux_v3_setup_multiple_pads(mx51efikamx_pads, + ARRAY_SIZE(mx51efikamx_pads)); + mxc_register_device(&mxc_usbdr_host_device, &dr_utmi_config); + mxc_init_imx_uart(); +} + +static void __init mx51_efikamx_timer_init(void) +{ + mx51_clocks_init(32768, 24000000, 22579200, 24576000); +} + +static struct sys_timer mxc_timer = { + .init = mx51_efikamx_timer_init, +}; + +MACHINE_START(MX51_EFIKAMX, "Genesi EfikaMX nettop") + /* Maintainer: Amit Kucheria <amit.kucheria@linaro.org> */ + .boot_params = MX51_PHYS_OFFSET + 0x100, + .map_io = mx51_map_io, + .init_irq = mx51_init_irq, + .init_machine = mxc_board_init, + .timer = &mxc_timer, +MACHINE_END diff --git a/arch/arm/mach-mx5/clock-mx51.c b/arch/arm/mach-mx5/clock-mx51.c index 57c10a9926cc..f2aae92cf0e2 100644 --- a/arch/arm/mach-mx5/clock-mx51.c +++ b/arch/arm/mach-mx5/clock-mx51.c @@ -41,34 +41,66 @@ static struct clk usboh3_clk; #define MAX_DPLL_WAIT_TRIES 1000 /* 1000 * udelay(1) = 1ms */ -static int _clk_ccgr_enable(struct clk *clk) +/* calculate best pre and post dividers to get the required divider */ +static void __calc_pre_post_dividers(u32 div, u32 *pre, u32 *post, + u32 max_pre, u32 max_post) { - u32 reg; + if (div >= max_pre * max_post) { + *pre = max_pre; + *post = max_post; + } else if (div >= max_pre) { + u32 min_pre, temp_pre, old_err, err; + min_pre = DIV_ROUND_UP(div, max_post); + old_err = max_pre; + for (temp_pre = max_pre; temp_pre >= min_pre; temp_pre--) { + err = div % temp_pre; + if (err == 0) { + *pre = temp_pre; + break; + } + err = temp_pre - err; + if (err < old_err) { + old_err = err; + *pre = temp_pre; + } + } + *post = DIV_ROUND_UP(div, *pre); + } else { + *pre = div; + *post = 1; + } +} + +static void _clk_ccgr_setclk(struct clk *clk, unsigned mode) +{ + u32 reg = __raw_readl(clk->enable_reg); + + reg &= ~(MXC_CCM_CCGRx_CG_MASK << clk->enable_shift); + reg |= mode << clk->enable_shift; - reg = __raw_readl(clk->enable_reg); - reg |= MXC_CCM_CCGRx_MOD_ON << clk->enable_shift; __raw_writel(reg, clk->enable_reg); +} +static int _clk_ccgr_enable(struct clk *clk) +{ + _clk_ccgr_setclk(clk, MXC_CCM_CCGRx_MOD_ON); return 0; } static void _clk_ccgr_disable(struct clk *clk) { - u32 reg; - reg = __raw_readl(clk->enable_reg); - reg &= ~(MXC_CCM_CCGRx_CG_MASK << clk->enable_shift); - __raw_writel(reg, clk->enable_reg); + _clk_ccgr_setclk(clk, MXC_CCM_CCGRx_MOD_OFF); +} +static int _clk_ccgr_enable_inrun(struct clk *clk) +{ + _clk_ccgr_setclk(clk, MXC_CCM_CCGRx_MOD_IDLE); + return 0; } static void _clk_ccgr_disable_inwait(struct clk *clk) { - u32 reg; - - reg = __raw_readl(clk->enable_reg); - reg &= ~(MXC_CCM_CCGRx_CG_MASK << clk->enable_shift); - reg |= MXC_CCM_CCGRx_MOD_IDLE << clk->enable_shift; - __raw_writel(reg, clk->enable_reg); + _clk_ccgr_setclk(clk, MXC_CCM_CCGRx_MOD_IDLE); } /* @@ -542,60 +574,60 @@ static int _clk_ipg_per_set_parent(struct clk *clk, struct clk *parent) return 0; } -static unsigned long clk_uart_get_rate(struct clk *clk) -{ - u32 reg, prediv, podf; - unsigned long parent_rate; +#define clk_nfc_set_parent NULL - parent_rate = clk_get_rate(clk->parent); - - reg = __raw_readl(MXC_CCM_CSCDR1); - prediv = ((reg & MXC_CCM_CSCDR1_UART_CLK_PRED_MASK) >> - MXC_CCM_CSCDR1_UART_CLK_PRED_OFFSET) + 1; - podf = ((reg & MXC_CCM_CSCDR1_UART_CLK_PODF_MASK) >> - MXC_CCM_CSCDR1_UART_CLK_PODF_OFFSET) + 1; +static unsigned long clk_nfc_get_rate(struct clk *clk) +{ + unsigned long rate; + u32 reg, div; - return parent_rate / (prediv * podf); + reg = __raw_readl(MXC_CCM_CBCDR); + div = ((reg & MXC_CCM_CBCDR_NFC_PODF_MASK) >> + MXC_CCM_CBCDR_NFC_PODF_OFFSET) + 1; + rate = clk_get_rate(clk->parent) / div; + WARN_ON(rate == 0); + return rate; } -static int _clk_uart_set_parent(struct clk *clk, struct clk *parent) +static unsigned long clk_nfc_round_rate(struct clk *clk, + unsigned long rate) { - u32 reg, mux; + u32 div; + unsigned long parent_rate = clk_get_rate(clk->parent); - mux = _get_mux(parent, &pll1_sw_clk, &pll2_sw_clk, &pll3_sw_clk, - &lp_apm_clk); - reg = __raw_readl(MXC_CCM_CSCMR1) & ~MXC_CCM_CSCMR1_UART_CLK_SEL_MASK; - reg |= mux << MXC_CCM_CSCMR1_UART_CLK_SEL_OFFSET; - __raw_writel(reg, MXC_CCM_CSCMR1); + if (!rate) + return -EINVAL; - return 0; -} + div = parent_rate / rate; -static unsigned long clk_usboh3_get_rate(struct clk *clk) -{ - u32 reg, prediv, podf; - unsigned long parent_rate; + if (parent_rate % rate) + div++; - parent_rate = clk_get_rate(clk->parent); + if (div > 8) + return -EINVAL; - reg = __raw_readl(MXC_CCM_CSCDR1); - prediv = ((reg & MXC_CCM_CSCDR1_USBOH3_CLK_PRED_MASK) >> - MXC_CCM_CSCDR1_USBOH3_CLK_PRED_OFFSET) + 1; - podf = ((reg & MXC_CCM_CSCDR1_USBOH3_CLK_PODF_MASK) >> - MXC_CCM_CSCDR1_USBOH3_CLK_PODF_OFFSET) + 1; + return parent_rate / div; - return parent_rate / (prediv * podf); } -static int _clk_usboh3_set_parent(struct clk *clk, struct clk *parent) +static int clk_nfc_set_rate(struct clk *clk, unsigned long rate) { - u32 reg, mux; + u32 reg, div; + + div = clk_get_rate(clk->parent) / rate; + if (div == 0) + div++; + if (((clk_get_rate(clk->parent) / div) != rate) || (div > 8)) + return -EINVAL; + + reg = __raw_readl(MXC_CCM_CBCDR); + reg &= ~MXC_CCM_CBCDR_NFC_PODF_MASK; + reg |= (div - 1) << MXC_CCM_CBCDR_NFC_PODF_OFFSET; + __raw_writel(reg, MXC_CCM_CBCDR); - mux = _get_mux(parent, &pll1_sw_clk, &pll2_sw_clk, &pll3_sw_clk, - &lp_apm_clk); - reg = __raw_readl(MXC_CCM_CSCMR1) & ~MXC_CCM_CSCMR1_USBOH3_CLK_SEL_MASK; - reg |= mux << MXC_CCM_CSCMR1_USBOH3_CLK_SEL_OFFSET; - __raw_writel(reg, MXC_CCM_CSCMR1); + while (__raw_readl(MXC_CCM_CDHIPR) & + MXC_CCM_CDHIPR_NFC_IPG_INT_MEM_PODF_BUSY){ + } return 0; } @@ -620,6 +652,17 @@ static unsigned long get_ckih2_reference_clock_rate(struct clk *clk) return ckih2_reference; } +static unsigned long clk_emi_slow_get_rate(struct clk *clk) +{ + u32 reg, div; + + reg = __raw_readl(MXC_CCM_CBCDR); + div = ((reg & MXC_CCM_CBCDR_EMI_PODF_MASK) >> + MXC_CCM_CBCDR_EMI_PODF_OFFSET) + 1; + + return clk_get_rate(clk->parent) / div; +} + /* External high frequency clock */ static struct clk ckih_clk = { .get_rate = get_high_reference_clock_rate, @@ -715,18 +758,6 @@ static struct clk ipg_perclk = { .set_parent = _clk_ipg_per_set_parent, }; -static struct clk uart_root_clk = { - .parent = &pll2_sw_clk, - .get_rate = clk_uart_get_rate, - .set_parent = _clk_uart_set_parent, -}; - -static struct clk usboh3_clk = { - .parent = &pll2_sw_clk, - .get_rate = clk_usboh3_get_rate, - .set_parent = _clk_usboh3_set_parent, -}; - static struct clk ahb_max_clk = { .parent = &ahb_clk, .enable_reg = MXC_CCM_CCGR0, @@ -762,45 +793,183 @@ static struct clk kpp_clk = { .id = 0, }; -#define DEFINE_CLOCK(name, i, er, es, gr, sr, p, s) \ +static struct clk emi_slow_clk = { + .parent = &pll2_sw_clk, + .enable_reg = MXC_CCM_CCGR5, + .enable_shift = MXC_CCM_CCGRx_CG8_OFFSET, + .enable = _clk_ccgr_enable, + .disable = _clk_ccgr_disable_inwait, + .get_rate = clk_emi_slow_get_rate, +}; + +#define DEFINE_CLOCK_CCGR(name, i, er, es, pfx, p, s) \ static struct clk name = { \ .id = i, \ .enable_reg = er, \ .enable_shift = es, \ - .get_rate = gr, \ - .set_rate = sr, \ + .get_rate = pfx##_get_rate, \ + .set_rate = pfx##_set_rate, \ + .round_rate = pfx##_round_rate, \ + .set_parent = pfx##_set_parent, \ .enable = _clk_ccgr_enable, \ .disable = _clk_ccgr_disable, \ .parent = p, \ .secondary = s, \ } -/* DEFINE_CLOCK(name, id, enable_reg, enable_shift, - get_rate, set_rate, parent, secondary); */ +#define DEFINE_CLOCK_MAX(name, i, er, es, pfx, p, s) \ + static struct clk name = { \ + .id = i, \ + .enable_reg = er, \ + .enable_shift = es, \ + .get_rate = pfx##_get_rate, \ + .set_rate = pfx##_set_rate, \ + .set_parent = pfx##_set_parent, \ + .enable = _clk_max_enable, \ + .disable = _clk_max_disable, \ + .parent = p, \ + .secondary = s, \ + } + +#define CLK_GET_RATE(name, nr, bitsname) \ +static unsigned long clk_##name##_get_rate(struct clk *clk) \ +{ \ + u32 reg, pred, podf; \ + \ + reg = __raw_readl(MXC_CCM_CSCDR##nr); \ + pred = (reg & MXC_CCM_CSCDR##nr##_##bitsname##_CLK_PRED_MASK) \ + >> MXC_CCM_CSCDR##nr##_##bitsname##_CLK_PRED_OFFSET; \ + podf = (reg & MXC_CCM_CSCDR##nr##_##bitsname##_CLK_PODF_MASK) \ + >> MXC_CCM_CSCDR##nr##_##bitsname##_CLK_PODF_OFFSET; \ + \ + return DIV_ROUND_CLOSEST(clk_get_rate(clk->parent), \ + (pred + 1) * (podf + 1)); \ +} + +#define CLK_SET_PARENT(name, nr, bitsname) \ +static int clk_##name##_set_parent(struct clk *clk, struct clk *parent) \ +{ \ + u32 reg, mux; \ + \ + mux = _get_mux(parent, &pll1_sw_clk, &pll2_sw_clk, \ + &pll3_sw_clk, &lp_apm_clk); \ + reg = __raw_readl(MXC_CCM_CSCMR##nr) & \ + ~MXC_CCM_CSCMR##nr##_##bitsname##_CLK_SEL_MASK; \ + reg |= mux << MXC_CCM_CSCMR##nr##_##bitsname##_CLK_SEL_OFFSET; \ + __raw_writel(reg, MXC_CCM_CSCMR##nr); \ + \ + return 0; \ +} + +#define CLK_SET_RATE(name, nr, bitsname) \ +static int clk_##name##_set_rate(struct clk *clk, unsigned long rate) \ +{ \ + u32 reg, div, parent_rate; \ + u32 pre = 0, post = 0; \ + \ + parent_rate = clk_get_rate(clk->parent); \ + div = parent_rate / rate; \ + \ + if ((parent_rate / div) != rate) \ + return -EINVAL; \ + \ + __calc_pre_post_dividers(div, &pre, &post, \ + (MXC_CCM_CSCDR##nr##_##bitsname##_CLK_PRED_MASK >> \ + MXC_CCM_CSCDR##nr##_##bitsname##_CLK_PRED_OFFSET) + 1, \ + (MXC_CCM_CSCDR##nr##_##bitsname##_CLK_PODF_MASK >> \ + MXC_CCM_CSCDR##nr##_##bitsname##_CLK_PODF_OFFSET) + 1);\ + \ + /* Set sdhc1 clock divider */ \ + reg = __raw_readl(MXC_CCM_CSCDR##nr) & \ + ~(MXC_CCM_CSCDR##nr##_##bitsname##_CLK_PRED_MASK \ + | MXC_CCM_CSCDR##nr##_##bitsname##_CLK_PODF_MASK); \ + reg |= (post - 1) << \ + MXC_CCM_CSCDR##nr##_##bitsname##_CLK_PODF_OFFSET; \ + reg |= (pre - 1) << \ + MXC_CCM_CSCDR##nr##_##bitsname##_CLK_PRED_OFFSET; \ + __raw_writel(reg, MXC_CCM_CSCDR##nr); \ + \ + return 0; \ +} + +/* UART */ +CLK_GET_RATE(uart, 1, UART) +CLK_SET_PARENT(uart, 1, UART) + +static struct clk uart_root_clk = { + .parent = &pll2_sw_clk, + .get_rate = clk_uart_get_rate, + .set_parent = clk_uart_set_parent, +}; + +/* USBOH3 */ +CLK_GET_RATE(usboh3, 1, USBOH3) +CLK_SET_PARENT(usboh3, 1, USBOH3) + +static struct clk usboh3_clk = { + .parent = &pll2_sw_clk, + .get_rate = clk_usboh3_get_rate, + .set_parent = clk_usboh3_set_parent, +}; + +/* eCSPI */ +CLK_GET_RATE(ecspi, 2, CSPI) +CLK_SET_PARENT(ecspi, 1, CSPI) + +static struct clk ecspi_main_clk = { + .parent = &pll3_sw_clk, + .get_rate = clk_ecspi_get_rate, + .set_parent = clk_ecspi_set_parent, +}; + +/* eSDHC */ +CLK_GET_RATE(esdhc1, 1, ESDHC1_MSHC1) +CLK_SET_PARENT(esdhc1, 1, ESDHC1_MSHC1) +CLK_SET_RATE(esdhc1, 1, ESDHC1_MSHC1) + +CLK_GET_RATE(esdhc2, 1, ESDHC2_MSHC2) +CLK_SET_PARENT(esdhc2, 1, ESDHC2_MSHC2) +CLK_SET_RATE(esdhc2, 1, ESDHC2_MSHC2) + +#define DEFINE_CLOCK_FULL(name, i, er, es, gr, sr, e, d, p, s) \ + static struct clk name = { \ + .id = i, \ + .enable_reg = er, \ + .enable_shift = es, \ + .get_rate = gr, \ + .set_rate = sr, \ + .enable = e, \ + .disable = d, \ + .parent = p, \ + .secondary = s, \ + } + +#define DEFINE_CLOCK(name, i, er, es, gr, sr, p, s) \ + DEFINE_CLOCK_FULL(name, i, er, es, gr, sr, _clk_ccgr_enable, _clk_ccgr_disable, p, s) /* Shared peripheral bus arbiter */ DEFINE_CLOCK(spba_clk, 0, MXC_CCM_CCGR5, MXC_CCM_CCGRx_CG0_OFFSET, NULL, NULL, &ipg_clk, NULL); /* UART */ -DEFINE_CLOCK(uart1_clk, 0, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG4_OFFSET, - NULL, NULL, &uart_root_clk, NULL); -DEFINE_CLOCK(uart2_clk, 1, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG6_OFFSET, - NULL, NULL, &uart_root_clk, NULL); -DEFINE_CLOCK(uart3_clk, 2, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG8_OFFSET, - NULL, NULL, &uart_root_clk, NULL); DEFINE_CLOCK(uart1_ipg_clk, 0, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG3_OFFSET, NULL, NULL, &ipg_clk, &aips_tz1_clk); DEFINE_CLOCK(uart2_ipg_clk, 1, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG5_OFFSET, NULL, NULL, &ipg_clk, &aips_tz1_clk); DEFINE_CLOCK(uart3_ipg_clk, 2, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG7_OFFSET, NULL, NULL, &ipg_clk, &spba_clk); +DEFINE_CLOCK(uart1_clk, 0, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG4_OFFSET, + NULL, NULL, &uart_root_clk, &uart1_ipg_clk); +DEFINE_CLOCK(uart2_clk, 1, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG6_OFFSET, + NULL, NULL, &uart_root_clk, &uart2_ipg_clk); +DEFINE_CLOCK(uart3_clk, 2, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG8_OFFSET, + NULL, NULL, &uart_root_clk, &uart3_ipg_clk); /* GPT */ -DEFINE_CLOCK(gpt_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG9_OFFSET, - NULL, NULL, &ipg_clk, NULL); DEFINE_CLOCK(gpt_ipg_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG10_OFFSET, NULL, NULL, &ipg_clk, NULL); +DEFINE_CLOCK(gpt_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG9_OFFSET, + NULL, NULL, &ipg_clk, &gpt_ipg_clk); /* I2C */ DEFINE_CLOCK(i2c1_clk, 0, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG9_OFFSET, @@ -814,6 +983,52 @@ DEFINE_CLOCK(hsi2c_clk, 0, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG11_OFFSET, DEFINE_CLOCK(fec_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG12_OFFSET, NULL, NULL, &ipg_clk, NULL); +/* NFC */ +DEFINE_CLOCK_CCGR(nfc_clk, 0, MXC_CCM_CCGR5, MXC_CCM_CCGRx_CG10_OFFSET, + clk_nfc, &emi_slow_clk, NULL); + +/* SSI */ +DEFINE_CLOCK(ssi1_ipg_clk, 0, MXC_CCM_CCGR3, MXC_CCM_CCGRx_CG8_OFFSET, + NULL, NULL, &ipg_clk, NULL); +DEFINE_CLOCK(ssi1_clk, 0, MXC_CCM_CCGR3, MXC_CCM_CCGRx_CG9_OFFSET, + NULL, NULL, &pll3_sw_clk, &ssi1_ipg_clk); +DEFINE_CLOCK(ssi2_ipg_clk, 1, MXC_CCM_CCGR3, MXC_CCM_CCGRx_CG10_OFFSET, + NULL, NULL, &ipg_clk, NULL); +DEFINE_CLOCK(ssi2_clk, 1, MXC_CCM_CCGR3, MXC_CCM_CCGRx_CG11_OFFSET, + NULL, NULL, &pll3_sw_clk, &ssi2_ipg_clk); + +/* eCSPI */ +DEFINE_CLOCK_FULL(ecspi1_ipg_clk, 0, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG9_OFFSET, + NULL, NULL, _clk_ccgr_enable_inrun, _clk_ccgr_disable, + &ipg_clk, &spba_clk); +DEFINE_CLOCK(ecspi1_clk, 0, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG10_OFFSET, + NULL, NULL, &ecspi_main_clk, &ecspi1_ipg_clk); +DEFINE_CLOCK_FULL(ecspi2_ipg_clk, 0, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG11_OFFSET, + NULL, NULL, _clk_ccgr_enable_inrun, _clk_ccgr_disable, + &ipg_clk, &aips_tz2_clk); +DEFINE_CLOCK(ecspi2_clk, 0, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG12_OFFSET, + NULL, NULL, &ecspi_main_clk, &ecspi2_ipg_clk); + +/* CSPI */ +DEFINE_CLOCK(cspi_ipg_clk, 0, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG9_OFFSET, + NULL, NULL, &ipg_clk, &aips_tz2_clk); +DEFINE_CLOCK(cspi_clk, 0, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG13_OFFSET, + NULL, NULL, &ipg_clk, &cspi_ipg_clk); + +/* SDMA */ +DEFINE_CLOCK(sdma_clk, 1, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG15_OFFSET, + NULL, NULL, &ahb_clk, NULL); + +/* eSDHC */ +DEFINE_CLOCK_FULL(esdhc1_ipg_clk, 0, MXC_CCM_CCGR3, MXC_CCM_CCGRx_CG0_OFFSET, + NULL, NULL, _clk_max_enable, _clk_max_disable, &ipg_clk, NULL); +DEFINE_CLOCK_MAX(esdhc1_clk, 0, MXC_CCM_CCGR3, MXC_CCM_CCGRx_CG1_OFFSET, + clk_esdhc1, &pll2_sw_clk, &esdhc1_ipg_clk); +DEFINE_CLOCK_FULL(esdhc2_ipg_clk, 1, MXC_CCM_CCGR3, MXC_CCM_CCGRx_CG2_OFFSET, + NULL, NULL, _clk_max_enable, _clk_max_disable, &ipg_clk, NULL); +DEFINE_CLOCK_MAX(esdhc2_clk, 1, MXC_CCM_CCGR3, MXC_CCM_CCGRx_CG3_OFFSET, + clk_esdhc2, &pll2_sw_clk, &esdhc2_ipg_clk); + #define _REGISTER_CLOCK(d, n, c) \ { \ .dev_id = d, \ @@ -837,6 +1052,18 @@ static struct clk_lookup lookups[] = { _REGISTER_CLOCK("fsl-usb2-udc", "usb", usboh3_clk) _REGISTER_CLOCK("fsl-usb2-udc", "usb_ahb", ahb_clk) _REGISTER_CLOCK("imx-keypad.0", NULL, kpp_clk) + _REGISTER_CLOCK("mxc_nand", NULL, nfc_clk) + _REGISTER_CLOCK("imx-ssi.0", NULL, ssi1_clk) + _REGISTER_CLOCK("imx-ssi.1", NULL, ssi2_clk) + _REGISTER_CLOCK("imx-sdma", NULL, sdma_clk) + _REGISTER_CLOCK(NULL, "ckih", ckih_clk) + _REGISTER_CLOCK(NULL, "ckih2", ckih2_clk) + _REGISTER_CLOCK(NULL, "gpt_32k", gpt_32k_clk) + _REGISTER_CLOCK("imx51-ecspi.0", NULL, ecspi1_clk) + _REGISTER_CLOCK("imx51-ecspi.1", NULL, ecspi2_clk) + _REGISTER_CLOCK("imx51-cspi.0", NULL, cspi_clk) + _REGISTER_CLOCK("sdhci-esdhc-imx.0", NULL, esdhc1_clk) + _REGISTER_CLOCK("sdhci-esdhc-imx.1", NULL, esdhc2_clk) }; static void clk_tree_init(void) @@ -880,6 +1107,14 @@ int __init mx51_clocks_init(unsigned long ckil, unsigned long osc, /* set the usboh3_clk parent to pll2_sw_clk */ clk_set_parent(&usboh3_clk, &pll2_sw_clk); + /* Set SDHC parents to be PLL2 */ + clk_set_parent(&esdhc1_clk, &pll2_sw_clk); + clk_set_parent(&esdhc2_clk, &pll2_sw_clk); + + /* set SDHC root clock as 166.25MHZ*/ + clk_set_rate(&esdhc1_clk, 166250000); + clk_set_rate(&esdhc2_clk, 166250000); + /* System timer */ mxc_timer_init(&gpt_clk, MX51_IO_ADDRESS(MX51_GPT1_BASE_ADDR), MX51_MXC_INT_GPT); diff --git a/arch/arm/mach-mx5/cpu.c b/arch/arm/mach-mx5/cpu.c index 2d37785e3857..eaacb6e9b5d0 100644 --- a/arch/arm/mach-mx5/cpu.c +++ b/arch/arm/mach-mx5/cpu.c @@ -70,6 +70,25 @@ int mx51_revision(void) } EXPORT_SYMBOL(mx51_revision); +#ifdef CONFIG_NEON + +/* + * All versions of the silicon before Rev. 3 have broken NEON implementations. + * Dependent on link order - so the assumption is that vfp_init is called + * before us. + */ +static int __init mx51_neon_fixup(void) +{ + if (mx51_revision() < MX51_CHIP_REV_3_0 && (elf_hwcap & HWCAP_NEON)) { + elf_hwcap &= ~HWCAP_NEON; + pr_info("Turning off NEON support, detected broken NEON implementation\n"); + } + return 0; +} + +late_initcall(mx51_neon_fixup); +#endif + static int __init post_cpu_init(void) { unsigned int reg; diff --git a/arch/arm/mach-mx5/devices-imx51.h b/arch/arm/mach-mx5/devices-imx51.h new file mode 100644 index 000000000000..5cc910e60538 --- /dev/null +++ b/arch/arm/mach-mx5/devices-imx51.h @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2010 Pengutronix + * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de> + * + * This program 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 <mach/mx51.h> +#include <mach/devices-common.h> + +extern const struct imx_fec_data imx51_fec_data __initconst; +#define imx51_add_fec(pdata) \ + imx_add_fec(&imx51_fec_data, pdata) + +extern const struct imx_imx_i2c_data imx51_imx_i2c_data[] __initconst; +#define imx51_add_imx_i2c(id, pdata) \ + imx_add_imx_i2c(&imx51_imx_i2c_data[id], pdata) + +extern const struct imx_imx_ssi_data imx51_imx_ssi_data[] __initconst; +#define imx51_add_imx_ssi(id, pdata) \ + imx_add_imx_ssi(&imx51_imx_ssi_data[id], pdata) + +extern const struct imx_imx_uart_1irq_data imx51_imx_uart_data[] __initconst; +#define imx51_add_imx_uart(id, pdata) \ + imx_add_imx_uart_1irq(&imx51_imx_uart_data[id], pdata) + +extern const struct imx_mxc_nand_data imx51_mxc_nand_data __initconst; +#define imx51_add_mxc_nand(pdata) \ + imx_add_mxc_nand(&imx51_mxc_nand_data, pdata) + +extern const struct imx_spi_imx_data imx51_cspi_data __initconst; +#define imx51_add_cspi(pdata) \ + imx_add_spi_imx(&imx51_cspi_data, pdata) + +extern const struct imx_spi_imx_data imx51_ecspi_data[] __initconst; +#define imx51_add_ecspi(id, pdata) \ + imx_add_spi_imx(&imx51_ecspi_data[id], pdata) + +extern const struct imx_esdhc_imx_data imx51_esdhc_data[] __initconst; +#define imx51_add_esdhc(id, pdata) \ + imx_add_esdhc(&imx51_esdhc_data[id], pdata) diff --git a/arch/arm/mach-mx5/devices.c b/arch/arm/mach-mx5/devices.c index 1920ff4963b2..4c7be87a7c9d 100644 --- a/arch/arm/mach-mx5/devices.c +++ b/arch/arm/mach-mx5/devices.c @@ -17,120 +17,6 @@ #include <mach/imx-uart.h> #include <mach/irqs.h> -static struct resource uart0[] = { - { - .start = MX51_UART1_BASE_ADDR, - .end = MX51_UART1_BASE_ADDR + 0xfff, - .flags = IORESOURCE_MEM, - }, { - .start = MX51_MXC_INT_UART1, - .end = MX51_MXC_INT_UART1, - .flags = IORESOURCE_IRQ, - }, -}; - -struct platform_device mxc_uart_device0 = { - .name = "imx-uart", - .id = 0, - .resource = uart0, - .num_resources = ARRAY_SIZE(uart0), -}; - -static struct resource uart1[] = { - { - .start = MX51_UART2_BASE_ADDR, - .end = MX51_UART2_BASE_ADDR + 0xfff, - .flags = IORESOURCE_MEM, - }, { - .start = MX51_MXC_INT_UART2, - .end = MX51_MXC_INT_UART2, - .flags = IORESOURCE_IRQ, - }, -}; - -struct platform_device mxc_uart_device1 = { - .name = "imx-uart", - .id = 1, - .resource = uart1, - .num_resources = ARRAY_SIZE(uart1), -}; - -static struct resource uart2[] = { - { - .start = MX51_UART3_BASE_ADDR, - .end = MX51_UART3_BASE_ADDR + 0xfff, - .flags = IORESOURCE_MEM, - }, { - .start = MX51_MXC_INT_UART3, - .end = MX51_MXC_INT_UART3, - .flags = IORESOURCE_IRQ, - }, -}; - -struct platform_device mxc_uart_device2 = { - .name = "imx-uart", - .id = 2, - .resource = uart2, - .num_resources = ARRAY_SIZE(uart2), -}; - -static struct resource mxc_fec_resources[] = { - { - .start = MX51_MXC_FEC_BASE_ADDR, - .end = MX51_MXC_FEC_BASE_ADDR + 0xfff, - .flags = IORESOURCE_MEM, - }, { - .start = MX51_MXC_INT_FEC, - .end = MX51_MXC_INT_FEC, - .flags = IORESOURCE_IRQ, - }, -}; - -struct platform_device mxc_fec_device = { - .name = "fec", - .id = 0, - .num_resources = ARRAY_SIZE(mxc_fec_resources), - .resource = mxc_fec_resources, -}; - -static struct resource mxc_i2c0_resources[] = { - { - .start = MX51_I2C1_BASE_ADDR, - .end = MX51_I2C1_BASE_ADDR + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, { - .start = MX51_MXC_INT_I2C1, - .end = MX51_MXC_INT_I2C1, - .flags = IORESOURCE_IRQ, - }, -}; - -struct platform_device mxc_i2c_device0 = { - .name = "imx-i2c", - .id = 0, - .num_resources = ARRAY_SIZE(mxc_i2c0_resources), - .resource = mxc_i2c0_resources, -}; - -static struct resource mxc_i2c1_resources[] = { - { - .start = MX51_I2C2_BASE_ADDR, - .end = MX51_I2C2_BASE_ADDR + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, { - .start = MX51_MXC_INT_I2C2, - .end = MX51_MXC_INT_I2C2, - .flags = IORESOURCE_IRQ, - }, -}; - -struct platform_device mxc_i2c_device1 = { - .name = "imx-i2c", - .id = 1, - .num_resources = ARRAY_SIZE(mxc_i2c1_resources), - .resource = mxc_i2c1_resources, -}; - static struct resource mxc_hsi2c_resources[] = { { .start = MX51_HSI2C_DMA_BASE_ADDR, diff --git a/arch/arm/mach-mx5/devices.h b/arch/arm/mach-mx5/devices.h index e509cfaad1d4..af1d07c0bbc1 100644 --- a/arch/arm/mach-mx5/devices.h +++ b/arch/arm/mach-mx5/devices.h @@ -1,12 +1,6 @@ -extern struct platform_device mxc_uart_device0; -extern struct platform_device mxc_uart_device1; -extern struct platform_device mxc_uart_device2; -extern struct platform_device mxc_fec_device; extern struct platform_device mxc_usbdr_host_device; extern struct platform_device mxc_usbh1_device; extern struct platform_device mxc_usbdr_udc_device; extern struct platform_device mxc_wdt; -extern struct platform_device mxc_i2c_device0; -extern struct platform_device mxc_i2c_device1; extern struct platform_device mxc_hsi2c_device; extern struct platform_device mxc_keypad_device; diff --git a/arch/arm/mach-mx5/eukrea_mbimx51-baseboard.c b/arch/arm/mach-mx5/eukrea_mbimx51-baseboard.c index ffa93d1d6ef8..a2e6e8c39d25 100644 --- a/arch/arm/mach-mx5/eukrea_mbimx51-baseboard.c +++ b/arch/arm/mach-mx5/eukrea_mbimx51-baseboard.c @@ -30,6 +30,7 @@ #include <asm/mach/arch.h> +#include "devices-imx51.h" #include "devices.h" #define MBIMX51_TSC2007_GPIO (2*32 + 30) @@ -112,9 +113,25 @@ static struct pad_desc mbimx51_pads[] = { MX51_PAD_KEY_COL1__KEY_COL1, MX51_PAD_KEY_COL2__KEY_COL2, MX51_PAD_KEY_COL3__KEY_COL3, + + /* SD 1 */ + 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, + + /* SD 2 */ + MX51_PAD_SD2_CMD__SD2_CMD, + MX51_PAD_SD2_CLK__SD2_CLK, + MX51_PAD_SD2_DATA0__SD2_DATA0, + MX51_PAD_SD2_DATA1__SD2_DATA1, + MX51_PAD_SD2_DATA2__SD2_DATA2, + MX51_PAD_SD2_DATA3__SD2_DATA3, }; -static struct imxuart_platform_data uart_pdata = { +static const struct imxuart_platform_data uart_pdata __initconst = { .flags = IMXUART_HAVE_RTSCTS, }; @@ -158,9 +175,11 @@ struct tsc2007_platform_data tsc2007_data = { static struct i2c_board_info mbimx51_i2c_devices[] = { { - I2C_BOARD_INFO("tsc2007", 0x48), + I2C_BOARD_INFO("tsc2007", 0x49), .irq = MBIMX51_TSC2007_IRQ, .platform_data = &tsc2007_data, + }, { + I2C_BOARD_INFO("tlv320aic23", 0x1a), }, }; @@ -172,8 +191,8 @@ void __init eukrea_mbimx51_baseboard_init(void) mxc_iomux_v3_setup_multiple_pads(mbimx51_pads, ARRAY_SIZE(mbimx51_pads)); - mxc_register_device(&mxc_uart_device1, NULL); - mxc_register_device(&mxc_uart_device2, &uart_pdata); + imx51_add_imx_uart(1, NULL); + imx51_add_imx_uart(2, &uart_pdata); gpio_request(MBIMX51_LED0, "LED0"); gpio_direction_output(MBIMX51_LED0, 1); @@ -197,4 +216,7 @@ void __init eukrea_mbimx51_baseboard_init(void) set_irq_type(MBIMX51_TSC2007_IRQ, IRQF_TRIGGER_FALLING); i2c_register_board_info(1, mbimx51_i2c_devices, ARRAY_SIZE(mbimx51_i2c_devices)); + + imx51_add_esdhc(0, NULL); + imx51_add_esdhc(1, NULL); } 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 000000000000..2b48f5190830 --- /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 <linux/types.h> +#include <linux/init.h> + +#include <linux/gpio.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/leds.h> +#include <linux/platform_device.h> +#include <linux/gpio_keys.h> +#include <linux/input.h> +#include <linux/i2c.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> +#include <asm/mach/map.h> + +#include <mach/hardware.h> +#include <mach/common.h> +#include <mach/imx-uart.h> +#include <mach/iomux-mx51.h> +#include <mach/audmux.h> + +#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)); +} |