diff --git a/arch/arm/mach-omap1/Kconfig b/arch/arm/mach-omap1/Kconfig index afb809509140..45c6b733c881 100644 --- a/arch/arm/mach-omap1/Kconfig +++ b/arch/arm/mach-omap1/Kconfig @@ -31,6 +31,32 @@ config ARCH_OMAP16XX select ARCH_OMAP_OTG select CPU_ARM926T +config OMAP_MUX + bool "OMAP multiplexing support" + depends on ARCH_OMAP + default y + help + Pin multiplexing support for OMAP boards. If your bootloader + sets the multiplexing correctly, say N. Otherwise, or if unsure, + say Y. + +config OMAP_MUX_DEBUG + bool "Multiplexing debug output" + depends on OMAP_MUX + help + Makes the multiplexing functions print out a lot of debug info. + This is useful if you want to find out the correct values of the + multiplexing registers. + +config OMAP_MUX_WARNINGS + bool "Warn about pins the bootloader didn't set up" + depends on OMAP_MUX + default y + help + Choose Y here to warn whenever driver initialization logic needs + to change the pin multiplexing setup. When there are no warnings + printed, it's safe to deselect OMAP_MUX for your product. + comment "OMAP Board Type" depends on ARCH_OMAP1 diff --git a/arch/arm/mach-omap1/i2c.c b/arch/arm/mach-omap1/i2c.c index 82887d645a6a..32f6c53367bf 100644 --- a/arch/arm/mach-omap1/i2c.c +++ b/arch/arm/mach-omap1/i2c.c @@ -19,6 +19,7 @@ * */ +#include #include #include #include "soc.h" @@ -91,6 +92,88 @@ int __init omap_i2c_add_bus(struct omap_i2c_bus_platform_data *pdata, return platform_device_register(pdev); } +#define OMAP_I2C_MAX_CONTROLLERS 4 +static struct omap_i2c_bus_platform_data i2c_pdata[OMAP_I2C_MAX_CONTROLLERS]; + +#define OMAP_I2C_CMDLINE_SETUP (BIT(31)) + +/** + * omap_i2c_bus_setup - Process command line options for the I2C bus speed + * @str: String of options + * + * This function allow to override the default I2C bus speed for given I2C + * bus with a command line option. + * + * Format: i2c_bus=bus_id,clkrate (in kHz) + * + * Returns 1 on success, 0 otherwise. + */ +static int __init omap_i2c_bus_setup(char *str) +{ + int ints[3]; + + get_options(str, 3, ints); + if (ints[0] < 2 || ints[1] < 1 || + ints[1] > OMAP_I2C_MAX_CONTROLLERS) + return 0; + i2c_pdata[ints[1] - 1].clkrate = ints[2]; + i2c_pdata[ints[1] - 1].clkrate |= OMAP_I2C_CMDLINE_SETUP; + + return 1; +} +__setup("i2c_bus=", omap_i2c_bus_setup); + +/* + * Register busses defined in command line but that are not registered with + * omap_register_i2c_bus from board initialization code. + */ +int __init omap_register_i2c_bus_cmdline(void) +{ + int i, err = 0; + + for (i = 0; i < ARRAY_SIZE(i2c_pdata); i++) + if (i2c_pdata[i].clkrate & OMAP_I2C_CMDLINE_SETUP) { + i2c_pdata[i].clkrate &= ~OMAP_I2C_CMDLINE_SETUP; + err = omap_i2c_add_bus(&i2c_pdata[i], i + 1); + if (err) + goto out; + } + +out: + return err; +} + +/** + * omap_register_i2c_bus - register I2C bus with device descriptors + * @bus_id: bus id counting from number 1 + * @clkrate: clock rate of the bus in kHz + * @info: pointer into I2C device descriptor table or NULL + * @len: number of descriptors in the table + * + * Returns 0 on success or an error code. + */ +int __init omap_register_i2c_bus(int bus_id, u32 clkrate, + struct i2c_board_info const *info, + unsigned len) +{ + int err; + + BUG_ON(bus_id < 1 || bus_id > OMAP_I2C_MAX_CONTROLLERS); + + if (info) { + err = i2c_register_board_info(bus_id, info, len); + if (err) + return err; + } + + if (!i2c_pdata[bus_id - 1].clkrate) + i2c_pdata[bus_id - 1].clkrate = clkrate; + + i2c_pdata[bus_id - 1].clkrate &= ~OMAP_I2C_CMDLINE_SETUP; + + return omap_i2c_add_bus(&i2c_pdata[bus_id - 1], bus_id); +} + static int __init omap_i2c_cmdline(void) { return omap_register_i2c_bus_cmdline(); diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index e37ceb81a379..469894082fea 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -6,7 +6,7 @@ ccflags-y := -I$(srctree)/$(src)/include \ -I$(srctree)/arch/arm/plat-omap/include # Common support -obj-y := id.o io.o control.o mux.o devices.o fb.o serial.o timer.o pm.o \ +obj-y := id.o io.o control.o devices.o fb.o timer.o pm.o \ common.o gpio.o dma.o wd_timer.o display.o i2c.o hdq1w.o omap_hwmod.o \ omap_device.o omap-headsmp.o sram.o drm.o @@ -63,9 +63,6 @@ obj-$(CONFIG_ARCH_OMAP4) += omap4-restart.o obj-$(CONFIG_SOC_OMAP5) += omap4-restart.o obj-$(CONFIG_SOC_DRA7XX) += omap4-restart.o -# Pin multiplexing -obj-$(CONFIG_ARCH_OMAP3) += mux34xx.o - # SMS/SDRC obj-$(CONFIG_ARCH_OMAP2) += sdrc2xxx.o # obj-$(CONFIG_ARCH_OMAP3) += sdrc3xxx.o @@ -235,26 +232,15 @@ obj-$(CONFIG_MACH_NOKIA_N8X0) += board-n8x0.o # Platform specific device init code -omap-flash-$(CONFIG_MTD_NAND_OMAP2) := board-flash.o -omap-flash-$(CONFIG_MTD_ONENAND_OMAP2) := board-flash.o -obj-y += $(omap-flash-y) $(omap-flash-m) - omap-hsmmc-$(CONFIG_MMC_OMAP_HS) := hsmmc.o obj-y += $(omap-hsmmc-m) $(omap-hsmmc-y) -obj-y += usb-musb.o obj-y += omap_phy_internal.o obj-$(CONFIG_MACH_OMAP2_TUSB6010) += usb-tusb6010.o -obj-y += usb-host.o onenand-$(CONFIG_MTD_ONENAND_OMAP2) := gpmc-onenand.o obj-y += $(onenand-m) $(onenand-y) nand-$(CONFIG_MTD_NAND_OMAP2) := gpmc-nand.o obj-y += $(nand-m) $(nand-y) - -smsc911x-$(CONFIG_SMSC911X) := gpmc-smsc911x.o -obj-y += $(smsc911x-m) $(smsc911x-y) - -obj-y += common-board-devices.o twl-common.o dss-common.o diff --git a/arch/arm/mach-omap2/board-flash.c b/arch/arm/mach-omap2/board-flash.c deleted file mode 100644 index 2188dc30e232..000000000000 --- a/arch/arm/mach-omap2/board-flash.c +++ /dev/null @@ -1,242 +0,0 @@ -/* - * board-flash.c - * Modified from mach-omap2/board-3430sdp-flash.c - * - * Copyright (C) 2009 Nokia Corporation - * Copyright (C) 2009 Texas Instruments - * - * Vimal Singh - * - * 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 -#include -#include -#include -#include - -#include -#include - -#include "soc.h" -#include "common.h" -#include "board-flash.h" - -#define REG_FPGA_REV 0x10 -#define REG_FPGA_DIP_SWITCH_INPUT2 0x60 -#define MAX_SUPPORTED_GPMC_CONFIG 3 - -#define DEBUG_BASE 0x08000000 /* debug board */ - -/* various memory sizes */ -#define FLASH_SIZE_SDPV1 SZ_64M /* NOR flash (64 Meg aligned) */ -#define FLASH_SIZE_SDPV2 SZ_128M /* NOR flash (256 Meg aligned) */ - -static struct physmap_flash_data board_nor_data = { - .width = 2, -}; - -static struct resource board_nor_resource = { - .flags = IORESOURCE_MEM, -}; - -static struct platform_device board_nor_device = { - .name = "physmap-flash", - .id = 0, - .dev = { - .platform_data = &board_nor_data, - }, - .num_resources = 1, - .resource = &board_nor_resource, -}; - -static void -__init board_nor_init(struct mtd_partition *nor_parts, u8 nr_parts, u8 cs) -{ - int err; - - board_nor_data.parts = nor_parts; - board_nor_data.nr_parts = nr_parts; - - /* Configure start address and size of NOR device */ - if (omap_rev() >= OMAP3430_REV_ES1_0) { - err = gpmc_cs_request(cs, FLASH_SIZE_SDPV2 - 1, - (unsigned long *)&board_nor_resource.start); - board_nor_resource.end = board_nor_resource.start - + FLASH_SIZE_SDPV2 - 1; - } else { - err = gpmc_cs_request(cs, FLASH_SIZE_SDPV1 - 1, - (unsigned long *)&board_nor_resource.start); - board_nor_resource.end = board_nor_resource.start - + FLASH_SIZE_SDPV1 - 1; - } - if (err < 0) { - pr_err("NOR: Can't request GPMC CS\n"); - return; - } - if (platform_device_register(&board_nor_device) < 0) - pr_err("Unable to register NOR device\n"); -} - -#if IS_ENABLED(CONFIG_MTD_ONENAND_OMAP2) -static struct omap_onenand_platform_data board_onenand_data = { - .dma_channel = -1, /* disable DMA in OMAP OneNAND driver */ -}; - -void -__init board_onenand_init(struct mtd_partition *onenand_parts, - u8 nr_parts, u8 cs) -{ - board_onenand_data.cs = cs; - board_onenand_data.parts = onenand_parts; - board_onenand_data.nr_parts = nr_parts; - - gpmc_onenand_init(&board_onenand_data); -} -#endif /* IS_ENABLED(CONFIG_MTD_ONENAND_OMAP2) */ - -#if IS_ENABLED(CONFIG_MTD_NAND_OMAP2) - -/* Note that all values in this struct are in nanoseconds */ -struct gpmc_timings nand_default_timings[1] = { - { - .sync_clk = 0, - - .cs_on = 0, - .cs_rd_off = 36, - .cs_wr_off = 36, - - .we_on = 6, - .oe_on = 6, - - .adv_on = 6, - .adv_rd_off = 24, - .adv_wr_off = 36, - - .we_off = 30, - .oe_off = 48, - - .access = 54, - .rd_cycle = 72, - .wr_cycle = 72, - - .wr_access = 30, - .wr_data_mux_bus = 0, - }, -}; - -static struct omap_nand_platform_data board_nand_data; - -void -__init board_nand_init(struct mtd_partition *nand_parts, u8 nr_parts, u8 cs, - int nand_type, struct gpmc_timings *gpmc_t) -{ - board_nand_data.cs = cs; - board_nand_data.parts = nand_parts; - board_nand_data.nr_parts = nr_parts; - board_nand_data.devsize = nand_type; - - board_nand_data.ecc_opt = OMAP_ECC_HAM1_CODE_SW; - gpmc_nand_init(&board_nand_data, gpmc_t); -} -#endif /* IS_ENABLED(CONFIG_MTD_NAND_OMAP2) */ - -/** - * get_gpmc0_type - Reads the FPGA DIP_SWITCH_INPUT_REGISTER2 to get - * the various cs values. - */ -static u8 get_gpmc0_type(void) -{ - u8 cs = 0; - void __iomem *fpga_map_addr; - - fpga_map_addr = ioremap(DEBUG_BASE, 4096); - if (!fpga_map_addr) - return -ENOMEM; - - if (!(readw_relaxed(fpga_map_addr + REG_FPGA_REV))) - /* we dont have an DEBUG FPGA??? */ - /* Depend on #defines!! default to strata boot return param */ - goto unmap; - - /* S8-DIP-OFF = 1, S8-DIP-ON = 0 */ - cs = readw_relaxed(fpga_map_addr + REG_FPGA_DIP_SWITCH_INPUT2) & 0xf; - - /* ES2.0 SDP's onwards 4 dip switches are provided for CS */ - if (omap_rev() >= OMAP3430_REV_ES1_0) - /* change (S8-1:4=DS-2:0) to (S8-4:1=DS-2:0) */ - cs = ((cs & 8) >> 3) | ((cs & 4) >> 1) | - ((cs & 2) << 1) | ((cs & 1) << 3); - else - /* change (S8-1:3=DS-2:0) to (S8-3:1=DS-2:0) */ - cs = ((cs & 4) >> 2) | (cs & 2) | ((cs & 1) << 2); -unmap: - iounmap(fpga_map_addr); - return cs; -} - -/** - * board_flash_init - Identify devices connected to GPMC and register. - * - * @return - void. - */ -void __init board_flash_init(struct flash_partitions partition_info[], - char chip_sel_board[][GPMC_CS_NUM], int nand_type) -{ - u8 cs = 0; - u8 norcs = GPMC_CS_NUM + 1; - u8 nandcs = GPMC_CS_NUM + 1; - u8 onenandcs = GPMC_CS_NUM + 1; - u8 idx; - unsigned char *config_sel = NULL; - - /* REVISIT: Is this return correct idx for 2430 SDP? - * for which cs configuration matches for 2430 SDP? - */ - idx = get_gpmc0_type(); - if (idx >= MAX_SUPPORTED_GPMC_CONFIG) { - pr_err("%s: Invalid chip select: %d\n", __func__, cs); - return; - } - config_sel = (unsigned char *)(chip_sel_board[idx]); - - while (cs < GPMC_CS_NUM) { - switch (config_sel[cs]) { - case PDC_NOR: - if (norcs > GPMC_CS_NUM) - norcs = cs; - break; - case PDC_NAND: - if (nandcs > GPMC_CS_NUM) - nandcs = cs; - break; - case PDC_ONENAND: - if (onenandcs > GPMC_CS_NUM) - onenandcs = cs; - break; - } - cs++; - } - - if (norcs > GPMC_CS_NUM) - pr_err("NOR: Unable to find configuration in GPMC\n"); - else - board_nor_init(partition_info[0].parts, - partition_info[0].nr_parts, norcs); - - if (onenandcs > GPMC_CS_NUM) - pr_err("OneNAND: Unable to find configuration in GPMC\n"); - else - board_onenand_init(partition_info[1].parts, - partition_info[1].nr_parts, onenandcs); - - if (nandcs > GPMC_CS_NUM) - pr_err("NAND: Unable to find configuration in GPMC\n"); - else - board_nand_init(partition_info[2].parts, - partition_info[2].nr_parts, nandcs, - nand_type, nand_default_timings); -} diff --git a/arch/arm/mach-omap2/board-flash.h b/arch/arm/mach-omap2/board-flash.h deleted file mode 100644 index 8b39eec07318..000000000000 --- a/arch/arm/mach-omap2/board-flash.h +++ /dev/null @@ -1,56 +0,0 @@ -/* - * board-sdp.h - * - * Information structures for SDP-specific board config data - * - * Copyright (C) 2009 Nokia Corporation - * Copyright (C) 2009 Texas Instruments - * - * 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 -#include - -#define PDC_NOR 1 -#define PDC_NAND 2 -#define PDC_ONENAND 3 -#define DBG_MPDB 4 - -struct flash_partitions { - struct mtd_partition *parts; - int nr_parts; -}; - -#if IS_ENABLED(CONFIG_MTD_NAND_OMAP2) || IS_ENABLED(CONFIG_MTD_ONENAND_OMAP2) -extern void board_flash_init(struct flash_partitions [], - char chip_sel[][GPMC_CS_NUM], int nand_type); -#else -static inline void board_flash_init(struct flash_partitions part[], - char chip_sel[][GPMC_CS_NUM], int nand_type) -{ -} -#endif - -#if IS_ENABLED(CONFIG_MTD_NAND_OMAP2) -extern void board_nand_init(struct mtd_partition *nand_parts, - u8 nr_parts, u8 cs, int nand_type, struct gpmc_timings *gpmc_t); -extern struct gpmc_timings nand_default_timings[]; -#else -static inline void board_nand_init(struct mtd_partition *nand_parts, - u8 nr_parts, u8 cs, int nand_type, struct gpmc_timings *gpmc_t) -{ -} -#define nand_default_timings NULL -#endif - -#if IS_ENABLED(CONFIG_MTD_ONENAND_OMAP2) -extern void board_onenand_init(struct mtd_partition *nand_parts, - u8 nr_parts, u8 cs); -#else -static inline void board_onenand_init(struct mtd_partition *nand_parts, - u8 nr_parts, u8 cs) -{ -} -#endif diff --git a/arch/arm/mach-omap2/common-board-devices.c b/arch/arm/mach-omap2/common-board-devices.c deleted file mode 100644 index 5388fcd3de72..000000000000 --- a/arch/arm/mach-omap2/common-board-devices.c +++ /dev/null @@ -1,102 +0,0 @@ -/* - * common-board-devices.c - * - * Copyright (C) 2011 CompuLab, Ltd. - * Author: Mike Rapoport - * - * 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. - * - * 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 St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - */ - -#include -#include -#include - -#include - -#include "common.h" -#include "common-board-devices.h" - -#if IS_ENABLED(CONFIG_TOUCHSCREEN_ADS7846) -static struct omap2_mcspi_device_config ads7846_mcspi_config = { - .turbo_mode = 0, -}; - -static struct ads7846_platform_data ads7846_config = { - .x_max = 0x0fff, - .y_max = 0x0fff, - .x_plate_ohms = 180, - .pressure_max = 255, - .debounce_max = 10, - .debounce_tol = 3, - .debounce_rep = 1, - .gpio_pendown = -EINVAL, - .keep_vref_on = 1, -}; - -static struct spi_board_info ads7846_spi_board_info __initdata = { - .modalias = "ads7846", - .bus_num = -EINVAL, - .chip_select = 0, - .max_speed_hz = 1500000, - .controller_data = &ads7846_mcspi_config, - .irq = -EINVAL, - .platform_data = &ads7846_config, -}; - -void __init omap_ads7846_init(int bus_num, int gpio_pendown, int gpio_debounce, - struct ads7846_platform_data *board_pdata) -{ - struct spi_board_info *spi_bi = &ads7846_spi_board_info; - int err; - - /* - * If a board defines get_pendown_state() function, request the pendown - * GPIO and set the GPIO debounce time. - * If a board does not define the get_pendown_state() function, then - * the ads7846 driver will setup the pendown GPIO itself. - */ - if (board_pdata && board_pdata->get_pendown_state) { - err = gpio_request_one(gpio_pendown, GPIOF_IN, "TSPenDown"); - if (err) { - pr_err("Couldn't obtain gpio for TSPenDown: %d\n", err); - return; - } - - if (gpio_debounce) - gpio_set_debounce(gpio_pendown, gpio_debounce); - - gpio_export(gpio_pendown, 0); - } - - spi_bi->bus_num = bus_num; - spi_bi->irq = gpio_to_irq(gpio_pendown); - - ads7846_config.gpio_pendown = gpio_pendown; - - if (board_pdata) { - board_pdata->gpio_pendown = gpio_pendown; - board_pdata->gpio_pendown_debounce = gpio_debounce; - spi_bi->platform_data = board_pdata; - } - - spi_register_board_info(&ads7846_spi_board_info, 1); -} -#else -void __init omap_ads7846_init(int bus_num, int gpio_pendown, int gpio_debounce, - struct ads7846_platform_data *board_pdata) -{ -} -#endif diff --git a/arch/arm/mach-omap2/common-board-devices.h b/arch/arm/mach-omap2/common-board-devices.h index 07c88ae083fb..335c7822fea1 100644 --- a/arch/arm/mach-omap2/common-board-devices.h +++ b/arch/arm/mach-omap2/common-board-devices.h @@ -3,15 +3,7 @@ #include #include -#include "twl-common.h" -#define NAND_BLOCK_SIZE SZ_128K - -struct mtd_partition; -struct ads7846_platform_data; - -void omap_ads7846_init(int bus_num, int gpio_pendown, int gpio_debounce, - struct ads7846_platform_data *board_pdata); void *n8x0_legacy_init(void); extern struct menelaus_platform_data n8x0_menelaus_platform_data; diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h index 6dcca2957e23..14652e78bde7 100644 --- a/arch/arm/mach-omap2/common.h +++ b/arch/arm/mach-omap2/common.h @@ -77,15 +77,6 @@ static inline int omap4_pm_init_early(void) } #endif -#ifdef CONFIG_OMAP_MUX -int omap_mux_late_init(void); -#else -static inline int omap_mux_late_init(void) -{ - return 0; -} -#endif - extern void omap2_init_common_infrastructure(void); extern void omap_init_time(void); diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c index 60a20f3b44de..3fdb94599184 100644 --- a/arch/arm/mach-omap2/devices.c +++ b/arch/arm/mach-omap2/devices.c @@ -30,7 +30,6 @@ #include "soc.h" #include "common.h" -#include "mux.h" #include "control.h" #include "display.h" diff --git a/arch/arm/mach-omap2/dss-common.c b/arch/arm/mach-omap2/dss-common.c deleted file mode 100644 index 1d583bc0b1a9..000000000000 --- a/arch/arm/mach-omap2/dss-common.c +++ /dev/null @@ -1,37 +0,0 @@ -/* - * Copyright (C) 2012 Texas Instruments, Inc.. - * Author: Tomi Valkeinen - * - * 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. - * - * 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 St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - */ - -/* - * NOTE: this is a transitional file to help with DT adaptation. - * This file will be removed when DSS supports DT. - */ - -#include -#include -#include - -#include -#include