From 964930bcfdc67112ea76727163f3408bcf40f614 Mon Sep 17 00:00:00 2001 From: Christian Riesch Date: Mon, 28 Nov 2011 23:46:14 +0000 Subject: arm, davinci: Move pinmux functions from board to arch tree Signed-off-by: Christian Riesch Cc: Sandeep Paulraj Cc: Heiko Schocher Cc: Sudhakar Rajashekhara Cc: Syed Mohammed Khasim Cc: Sughosh Ganu Cc: Nick Thompson Cc: Stefano Babic Acked-by: Heiko Schocher Acked-by: Nick Thompson diff --git a/arch/arm/cpu/arm926ejs/davinci/Makefile b/arch/arm/cpu/arm926ejs/davinci/Makefile index aeb058a..2105ec5 100644 --- a/arch/arm/cpu/arm926ejs/davinci/Makefile +++ b/arch/arm/cpu/arm926ejs/davinci/Makefile @@ -27,7 +27,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(SOC).o -COBJS-y += cpu.o timer.o psc.o +COBJS-y += cpu.o timer.o psc.o pinmux.o COBJS-$(CONFIG_DA850_LOWLEVEL) += da850_lowlevel.o COBJS-$(CONFIG_SOC_DM355) += dm355.o COBJS-$(CONFIG_SOC_DM365) += dm365.o diff --git a/arch/arm/cpu/arm926ejs/davinci/pinmux.c b/arch/arm/cpu/arm926ejs/davinci/pinmux.c new file mode 100644 index 0000000..ce58f71 --- /dev/null +++ b/arch/arm/cpu/arm926ejs/davinci/pinmux.c @@ -0,0 +1,105 @@ +/* + * DaVinci pinmux functions. + * + * Copyright (C) 2009 Nick Thompson, GE Fanuc Ltd, + * Copyright (C) 2007 Sergey Kubushyn + * Copyright (C) 2008 Lyrtech + * Copyright (C) 2004 Texas Instruments. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include +#include +#include +#include + +/* + * Change the setting of a pin multiplexer field. + * + * Takes an array of pinmux settings similar to: + * + * struct pinmux_config uart_pins[] = { + * { &davinci_syscfg_regs->pinmux[8], 2, 7 }, + * { &davinci_syscfg_regs->pinmux[9], 2, 0 } + * }; + * + * Stepping through the array, each pinmux[n] register has the given value + * set in the pin mux field specified. + * + * The number of pins in the array must be passed (ARRAY_SIZE can provide + * this value conveniently). + * + * Returns 0 if all field numbers and values are in the correct range, + * else returns -1. + */ +int davinci_configure_pin_mux(const struct pinmux_config *pins, + const int n_pins) +{ + int i; + + /* check for invalid pinmux values */ + for (i = 0; i < n_pins; i++) { + if (pins[i].field >= PIN_MUX_NUM_FIELDS || + (pins[i].value & ~PIN_MUX_FIELD_MASK) != 0) + return -1; + } + + /* configure the pinmuxes */ + for (i = 0; i < n_pins; i++) { + const int offset = pins[i].field * PIN_MUX_FIELD_SIZE; + const unsigned int value = pins[i].value << offset; + const unsigned int mask = PIN_MUX_FIELD_MASK << offset; + const dv_reg *mux = pins[i].mux; + + writel(value | (readl(mux) & (~mask)), mux); + } + + return 0; +} + +/* + * Configure multiple pinmux resources. + * + * Takes an pinmux_resource array of pinmux_config and pin counts: + * + * const struct pinmux_resource pinmuxes[] = { + * PINMUX_ITEM(uart_pins), + * PINMUX_ITEM(i2c_pins), + * }; + * + * The number of items in the array must be passed (ARRAY_SIZE can provide + * this value conveniently). + * + * Each item entry is configured in the defined order. If configuration + * of any item fails, -1 is returned and none of the following items are + * configured. On success, 0 is returned. + */ +int davinci_configure_pin_mux_items(const struct pinmux_resource *item, + const int n_items) +{ + int i; + + for (i = 0; i < n_items; i++) { + if (davinci_configure_pin_mux(item[i].pins, + item[i].n_pins) != 0) + return -1; + } + + return 0; +} diff --git a/arch/arm/include/asm/arch-davinci/hardware.h b/arch/arm/include/asm/arch-davinci/hardware.h index 3e9a3b6..06819a6 100644 --- a/arch/arm/include/asm/arch-davinci/hardware.h +++ b/arch/arm/include/asm/arch-davinci/hardware.h @@ -480,6 +480,8 @@ struct davinci_syscfg_regs { #define davinci_syscfg_regs \ ((struct davinci_syscfg_regs *)DAVINCI_BOOTCFG_BASE) +#define pinmux(x) (&davinci_syscfg_regs->pinmux[x]) + /* Emulation suspend bits */ #define DAVINCI_SYSCFG_SUSPSRC_EMAC (1 << 5) #define DAVINCI_SYSCFG_SUSPSRC_I2C (1 << 16) diff --git a/board/davinci/common/Makefile b/board/davinci/common/Makefile index 9d7b164..bc99da3 100644 --- a/board/davinci/common/Makefile +++ b/board/davinci/common/Makefile @@ -29,7 +29,7 @@ endif LIB = $(obj)lib$(VENDOR).o -COBJS := misc.o davinci_pinmux.o +COBJS := misc.o SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS)) diff --git a/board/davinci/common/davinci_pinmux.c b/board/davinci/common/davinci_pinmux.c deleted file mode 100644 index ce58f71..0000000 --- a/board/davinci/common/davinci_pinmux.c +++ /dev/null @@ -1,105 +0,0 @@ -/* - * DaVinci pinmux functions. - * - * Copyright (C) 2009 Nick Thompson, GE Fanuc Ltd, - * Copyright (C) 2007 Sergey Kubushyn - * Copyright (C) 2008 Lyrtech - * Copyright (C) 2004 Texas Instruments. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * 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., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include -#include -#include -#include - -/* - * Change the setting of a pin multiplexer field. - * - * Takes an array of pinmux settings similar to: - * - * struct pinmux_config uart_pins[] = { - * { &davinci_syscfg_regs->pinmux[8], 2, 7 }, - * { &davinci_syscfg_regs->pinmux[9], 2, 0 } - * }; - * - * Stepping through the array, each pinmux[n] register has the given value - * set in the pin mux field specified. - * - * The number of pins in the array must be passed (ARRAY_SIZE can provide - * this value conveniently). - * - * Returns 0 if all field numbers and values are in the correct range, - * else returns -1. - */ -int davinci_configure_pin_mux(const struct pinmux_config *pins, - const int n_pins) -{ - int i; - - /* check for invalid pinmux values */ - for (i = 0; i < n_pins; i++) { - if (pins[i].field >= PIN_MUX_NUM_FIELDS || - (pins[i].value & ~PIN_MUX_FIELD_MASK) != 0) - return -1; - } - - /* configure the pinmuxes */ - for (i = 0; i < n_pins; i++) { - const int offset = pins[i].field * PIN_MUX_FIELD_SIZE; - const unsigned int value = pins[i].value << offset; - const unsigned int mask = PIN_MUX_FIELD_MASK << offset; - const dv_reg *mux = pins[i].mux; - - writel(value | (readl(mux) & (~mask)), mux); - } - - return 0; -} - -/* - * Configure multiple pinmux resources. - * - * Takes an pinmux_resource array of pinmux_config and pin counts: - * - * const struct pinmux_resource pinmuxes[] = { - * PINMUX_ITEM(uart_pins), - * PINMUX_ITEM(i2c_pins), - * }; - * - * The number of items in the array must be passed (ARRAY_SIZE can provide - * this value conveniently). - * - * Each item entry is configured in the defined order. If configuration - * of any item fails, -1 is returned and none of the following items are - * configured. On success, 0 is returned. - */ -int davinci_configure_pin_mux_items(const struct pinmux_resource *item, - const int n_items) -{ - int i; - - for (i = 0; i < n_items; i++) { - if (davinci_configure_pin_mux(item[i].pins, - item[i].n_pins) != 0) - return -1; - } - - return 0; -} diff --git a/board/davinci/da8xxevm/da830evm.c b/board/davinci/da8xxevm/da830evm.c index 2021e73..c45c94b 100644 --- a/board/davinci/da8xxevm/da830evm.c +++ b/board/davinci/da8xxevm/da830evm.c @@ -46,8 +46,6 @@ DECLARE_GLOBAL_DATA_PTR; -#define pinmux(x) (&davinci_syscfg_regs->pinmux[x]) - /* SPI0 pin muxer settings */ static const struct pinmux_config spi0_pins[] = { { pinmux(7), 1, 3 }, diff --git a/board/davinci/da8xxevm/da850evm.c b/board/davinci/da8xxevm/da850evm.c index e0a3bbe..844e585 100644 --- a/board/davinci/da8xxevm/da850evm.c +++ b/board/davinci/da8xxevm/da850evm.c @@ -34,8 +34,6 @@ DECLARE_GLOBAL_DATA_PTR; -#define pinmux(x) (&davinci_syscfg_regs->pinmux[x]) - /* SPI0 pin muxer settings */ static const struct pinmux_config spi1_pins[] = { { pinmux(5), 1, 1 }, diff --git a/board/davinci/da8xxevm/hawkboard_nand_spl.c b/board/davinci/da8xxevm/hawkboard_nand_spl.c index 32b17ce..0fdccac 100644 --- a/board/davinci/da8xxevm/hawkboard_nand_spl.c +++ b/board/davinci/da8xxevm/hawkboard_nand_spl.c @@ -32,8 +32,6 @@ DECLARE_GLOBAL_DATA_PTR; -#define pinmux(x) (&davinci_syscfg_regs->pinmux[x]) - static const struct pinmux_config mii_pins[] = { { pinmux(2), 8, 1 }, { pinmux(2), 8, 2 }, diff --git a/board/davinci/ea20/ea20.c b/board/davinci/ea20/ea20.c index 720a360..9b6c4c0 100644 --- a/board/davinci/ea20/ea20.c +++ b/board/davinci/ea20/ea20.c @@ -40,8 +40,6 @@ DECLARE_GLOBAL_DATA_PTR; -#define pinmux(x) (&davinci_syscfg_regs->pinmux[x]) - static const struct da8xx_panel lcd_panel = { /* Casio COM57H531x */ .name = "Casio_COM57H531x", diff --git a/nand_spl/board/davinci/da8xxevm/Makefile b/nand_spl/board/davinci/da8xxevm/Makefile index accf716..7b06cd2 100644 --- a/nand_spl/board/davinci/da8xxevm/Makefile +++ b/nand_spl/board/davinci/da8xxevm/Makefile @@ -42,7 +42,7 @@ SOBJS = _divsi3.o \ COBJS = cpu.o \ davinci_nand.o \ - davinci_pinmux.o \ + pinmux.o \ div0.o \ hawkboard_nand_spl.o \ memsize.o \ @@ -78,9 +78,9 @@ $(nandobj)u-boot.lds: $(LDSCRIPT) # create symbolic links for common files # from board directory -$(obj)davinci_pinmux.c: +$(obj)pinmux.c: @rm -f $@ - @ln -s $(TOPDIR)/board/davinci/common/davinci_pinmux.c $@ + @ln -s $(TOPDIR)/arch/arm/cpu/arm926ejs/davinci/pinmux.c $@ # from drivers/mtd/nand directory $(obj)davinci_nand.c: -- cgit v0.10.2