From b8ccd9c39a3a4d8c816f323ac201f96bcc111f26 Mon Sep 17 00:00:00 2001 From: Alexandre Belloni Date: Mon, 16 Mar 2015 12:44:36 +0100 Subject: ARM: at91: drop sam9_smc.c sam9_smc.c has no users anymore, remove it along with both sam9_smc.h and mach/at91sam9_smc.h Signed-off-by: Alexandre Belloni Acked-by: Nicolas Ferre --- arch/arm/mach-at91/Makefile | 2 - arch/arm/mach-at91/include/mach/at91sam9_smc.h | 98 ------------------ arch/arm/mach-at91/sam9_smc.c | 136 ------------------------- arch/arm/mach-at91/sam9_smc.h | 11 -- 4 files changed, 247 deletions(-) delete mode 100644 arch/arm/mach-at91/include/mach/at91sam9_smc.h delete mode 100644 arch/arm/mach-at91/sam9_smc.c delete mode 100644 arch/arm/mach-at91/sam9_smc.h (limited to 'arch/arm/mach-at91') diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile index 4fa8b4541e64..f472704c3546 100644 --- a/arch/arm/mach-at91/Makefile +++ b/arch/arm/mach-at91/Makefile @@ -6,8 +6,6 @@ asflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include obj-y := soc.o -obj-$(CONFIG_SOC_AT91SAM9) += sam9_smc.o - # CPU-specific support obj-$(CONFIG_SOC_AT91RM9200) += at91rm9200.o obj-$(CONFIG_SOC_AT91SAM9) += at91sam9.o diff --git a/arch/arm/mach-at91/include/mach/at91sam9_smc.h b/arch/arm/mach-at91/include/mach/at91sam9_smc.h deleted file mode 100644 index ff54a0ce90e3..000000000000 --- a/arch/arm/mach-at91/include/mach/at91sam9_smc.h +++ /dev/null @@ -1,98 +0,0 @@ -/* - * arch/arm/mach-at91/include/mach/at91sam9_smc.h - * - * Copyright (C) 2007 Andrew Victor - * Copyright (C) 2007 Atmel Corporation. - * - * Static Memory Controllers (SMC) - System peripherals registers. - * Based on AT91SAM9261 datasheet revision D. - * - * 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. - */ - -#ifndef AT91SAM9_SMC_H -#define AT91SAM9_SMC_H - -#ifndef __ASSEMBLY__ -struct sam9_smc_config { - /* Setup register */ - u8 ncs_read_setup; - u8 nrd_setup; - u8 ncs_write_setup; - u8 nwe_setup; - - /* Pulse register */ - u8 ncs_read_pulse; - u8 nrd_pulse; - u8 ncs_write_pulse; - u8 nwe_pulse; - - /* Cycle register */ - u16 read_cycle; - u16 write_cycle; - - /* Mode register */ - u32 mode; - u8 tdf_cycles:4; -}; - -extern void sam9_smc_configure(int id, int cs, struct sam9_smc_config *config); -extern void sam9_smc_read(int id, int cs, struct sam9_smc_config *config); -extern void sam9_smc_read_mode(int id, int cs, struct sam9_smc_config *config); -extern void sam9_smc_write_mode(int id, int cs, struct sam9_smc_config *config); -#endif - -#define AT91_SMC_SETUP 0x00 /* Setup Register for CS n */ -#define AT91_SMC_NWESETUP (0x3f << 0) /* NWE Setup Length */ -#define AT91_SMC_NWESETUP_(x) ((x) << 0) -#define AT91_SMC_NCS_WRSETUP (0x3f << 8) /* NCS Setup Length in Write Access */ -#define AT91_SMC_NCS_WRSETUP_(x) ((x) << 8) -#define AT91_SMC_NRDSETUP (0x3f << 16) /* NRD Setup Length */ -#define AT91_SMC_NRDSETUP_(x) ((x) << 16) -#define AT91_SMC_NCS_RDSETUP (0x3f << 24) /* NCS Setup Length in Read Access */ -#define AT91_SMC_NCS_RDSETUP_(x) ((x) << 24) - -#define AT91_SMC_PULSE 0x04 /* Pulse Register for CS n */ -#define AT91_SMC_NWEPULSE (0x7f << 0) /* NWE Pulse Length */ -#define AT91_SMC_NWEPULSE_(x) ((x) << 0) -#define AT91_SMC_NCS_WRPULSE (0x7f << 8) /* NCS Pulse Length in Write Access */ -#define AT91_SMC_NCS_WRPULSE_(x)((x) << 8) -#define AT91_SMC_NRDPULSE (0x7f << 16) /* NRD Pulse Length */ -#define AT91_SMC_NRDPULSE_(x) ((x) << 16) -#define AT91_SMC_NCS_RDPULSE (0x7f << 24) /* NCS Pulse Length in Read Access */ -#define AT91_SMC_NCS_RDPULSE_(x)((x) << 24) - -#define AT91_SMC_CYCLE 0x08 /* Cycle Register for CS n */ -#define AT91_SMC_NWECYCLE (0x1ff << 0 ) /* Total Write Cycle Length */ -#define AT91_SMC_NWECYCLE_(x) ((x) << 0) -#define AT91_SMC_NRDCYCLE (0x1ff << 16) /* Total Read Cycle Length */ -#define AT91_SMC_NRDCYCLE_(x) ((x) << 16) - -#define AT91_SMC_MODE 0x0c /* Mode Register for CS n */ -#define AT91_SMC_READMODE (1 << 0) /* Read Mode */ -#define AT91_SMC_WRITEMODE (1 << 1) /* Write Mode */ -#define AT91_SMC_EXNWMODE (3 << 4) /* NWAIT Mode */ -#define AT91_SMC_EXNWMODE_DISABLE (0 << 4) -#define AT91_SMC_EXNWMODE_FROZEN (2 << 4) -#define AT91_SMC_EXNWMODE_READY (3 << 4) -#define AT91_SMC_BAT (1 << 8) /* Byte Access Type */ -#define AT91_SMC_BAT_SELECT (0 << 8) -#define AT91_SMC_BAT_WRITE (1 << 8) -#define AT91_SMC_DBW (3 << 12) /* Data Bus Width */ -#define AT91_SMC_DBW_8 (0 << 12) -#define AT91_SMC_DBW_16 (1 << 12) -#define AT91_SMC_DBW_32 (2 << 12) -#define AT91_SMC_TDF (0xf << 16) /* Data Float Time. */ -#define AT91_SMC_TDF_(x) ((x) << 16) -#define AT91_SMC_TDFMODE (1 << 20) /* TDF Optimization - Enabled */ -#define AT91_SMC_PMEN (1 << 24) /* Page Mode Enabled */ -#define AT91_SMC_PS (3 << 28) /* Page Size */ -#define AT91_SMC_PS_4 (0 << 28) -#define AT91_SMC_PS_8 (1 << 28) -#define AT91_SMC_PS_16 (2 << 28) -#define AT91_SMC_PS_32 (3 << 28) - -#endif diff --git a/arch/arm/mach-at91/sam9_smc.c b/arch/arm/mach-at91/sam9_smc.c deleted file mode 100644 index 826315af6d11..000000000000 --- a/arch/arm/mach-at91/sam9_smc.c +++ /dev/null @@ -1,136 +0,0 @@ -/* - * linux/arch/arm/mach-at91/sam9_smc.c - * - * Copyright (C) 2008 Andrew Victor - * Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD - * - * 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 "sam9_smc.h" - - -#define AT91_SMC_CS(id, n) (smc_base_addr[id] + ((n) * 0x10)) - -static void __iomem *smc_base_addr[2]; - -static void sam9_smc_cs_write_mode(void __iomem *base, - struct sam9_smc_config *config) -{ - __raw_writel(config->mode - | AT91_SMC_TDF_(config->tdf_cycles), - base + AT91_SMC_MODE); -} - -void sam9_smc_write_mode(int id, int cs, - struct sam9_smc_config *config) -{ - sam9_smc_cs_write_mode(AT91_SMC_CS(id, cs), config); -} -EXPORT_SYMBOL_GPL(sam9_smc_write_mode); - -static void sam9_smc_cs_configure(void __iomem *base, - struct sam9_smc_config *config) -{ - - /* Setup register */ - __raw_writel(AT91_SMC_NWESETUP_(config->nwe_setup) - | AT91_SMC_NCS_WRSETUP_(config->ncs_write_setup) - | AT91_SMC_NRDSETUP_(config->nrd_setup) - | AT91_SMC_NCS_RDSETUP_(config->ncs_read_setup), - base + AT91_SMC_SETUP); - - /* Pulse register */ - __raw_writel(AT91_SMC_NWEPULSE_(config->nwe_pulse) - | AT91_SMC_NCS_WRPULSE_(config->ncs_write_pulse) - | AT91_SMC_NRDPULSE_(config->nrd_pulse) - | AT91_SMC_NCS_RDPULSE_(config->ncs_read_pulse), - base + AT91_SMC_PULSE); - - /* Cycle register */ - __raw_writel(AT91_SMC_NWECYCLE_(config->write_cycle) - | AT91_SMC_NRDCYCLE_(config->read_cycle), - base + AT91_SMC_CYCLE); - - /* Mode register */ - sam9_smc_cs_write_mode(base, config); -} - -void sam9_smc_configure(int id, int cs, - struct sam9_smc_config *config) -{ - sam9_smc_cs_configure(AT91_SMC_CS(id, cs), config); -} -EXPORT_SYMBOL_GPL(sam9_smc_configure); - -static void sam9_smc_cs_read_mode(void __iomem *base, - struct sam9_smc_config *config) -{ - u32 val = __raw_readl(base + AT91_SMC_MODE); - - config->mode = (val & ~AT91_SMC_NWECYCLE); - config->tdf_cycles = (val & AT91_SMC_NWECYCLE) >> 16 ; -} - -void sam9_smc_read_mode(int id, int cs, - struct sam9_smc_config *config) -{ - sam9_smc_cs_read_mode(AT91_SMC_CS(id, cs), config); -} -EXPORT_SYMBOL_GPL(sam9_smc_read_mode); - -static void sam9_smc_cs_read(void __iomem *base, - struct sam9_smc_config *config) -{ - u32 val; - - /* Setup register */ - val = __raw_readl(base + AT91_SMC_SETUP); - - config->nwe_setup = val & AT91_SMC_NWESETUP; - config->ncs_write_setup = (val & AT91_SMC_NCS_WRSETUP) >> 8; - config->nrd_setup = (val & AT91_SMC_NRDSETUP) >> 16; - config->ncs_read_setup = (val & AT91_SMC_NCS_RDSETUP) >> 24; - - /* Pulse register */ - val = __raw_readl(base + AT91_SMC_PULSE); - - config->nwe_pulse = val & AT91_SMC_NWEPULSE; - config->ncs_write_pulse = (val & AT91_SMC_NCS_WRPULSE) >> 8; - config->nrd_pulse = (val & AT91_SMC_NRDPULSE) >> 16; - config->ncs_read_pulse = (val & AT91_SMC_NCS_RDPULSE) >> 24; - - /* Cycle register */ - val = __raw_readl(base + AT91_SMC_CYCLE); - - config->write_cycle = val & AT91_SMC_NWECYCLE; - config->read_cycle = (val & AT91_SMC_NRDCYCLE) >> 16; - - /* Mode register */ - sam9_smc_cs_read_mode(base, config); -} - -void sam9_smc_read(int id, int cs, struct sam9_smc_config *config) -{ - sam9_smc_cs_read(AT91_SMC_CS(id, cs), config); -} - -void __init at91sam9_ioremap_smc(int id, u32 addr) -{ - if (id > 1) { - pr_warn("%s: id > 2\n", __func__); - return; - } - smc_base_addr[id] = ioremap(addr, 512); - if (!smc_base_addr[id]) - pr_warn("Impossible to ioremap smc.%d 0x%x\n", id, addr); -} diff --git a/arch/arm/mach-at91/sam9_smc.h b/arch/arm/mach-at91/sam9_smc.h deleted file mode 100644 index 3e52dcd4a59f..000000000000 --- a/arch/arm/mach-at91/sam9_smc.h +++ /dev/null @@ -1,11 +0,0 @@ -/* - * linux/arch/arm/mach-at91/sam9_smc. - * - * Copyright (C) 2008 Andrew Victor - * - * 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. - */ - -extern void __init at91sam9_ioremap_smc(int id, u32 addr); -- cgit v1.2.3