diff options
Diffstat (limited to 'arch/arm')
66 files changed, 99 insertions, 699 deletions
diff --git a/arch/arm/include/asm/timex.h b/arch/arm/include/asm/timex.h index 83f2aa8..f6fcc67 100644 --- a/arch/arm/include/asm/timex.h +++ b/arch/arm/include/asm/timex.h @@ -12,12 +12,6 @@ #ifndef _ASMARM_TIMEX_H #define _ASMARM_TIMEX_H -#ifdef CONFIG_ARCH_MULTIPLATFORM -#define CLOCK_TICK_RATE 1000000 -#else -#include <mach/timex.h> -#endif - typedef unsigned long cycles_t; #define get_cycles() ({ cycles_t c; read_current_timer(&c) ? 0 : c; }) diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c index e47f5fd..787bb50 100644 --- a/arch/arm/mach-at91/at91rm9200.c +++ b/arch/arm/mach-at91/at91rm9200.c @@ -21,6 +21,7 @@ #include <mach/at91rm9200.h> #include <mach/at91_st.h> #include <mach/cpu.h> +#include <mach/hardware.h> #include "at91_aic.h" #include "soc.h" diff --git a/arch/arm/mach-at91/at91rm9200_devices.c b/arch/arm/mach-at91/at91rm9200_devices.c index 3ebc979..f3f19f2 100644 --- a/arch/arm/mach-at91/at91rm9200_devices.c +++ b/arch/arm/mach-at91/at91rm9200_devices.c @@ -21,6 +21,7 @@ #include <mach/at91rm9200.h> #include <mach/at91rm9200_mc.h> #include <mach/at91_ramc.h> +#include <mach/hardware.h> #include "board.h" #include "generic.h" @@ -922,6 +923,7 @@ static struct resource dbgu_resources[] = { static struct atmel_uart_data dbgu_data = { .use_dma_tx = 0, .use_dma_rx = 0, /* DBGU not capable of receive DMA */ + .rts_gpio = -EINVAL, }; static u64 dbgu_dmamask = DMA_BIT_MASK(32); @@ -960,6 +962,7 @@ static struct resource uart0_resources[] = { static struct atmel_uart_data uart0_data = { .use_dma_tx = 1, .use_dma_rx = 1, + .rts_gpio = -EINVAL, }; static u64 uart0_dmamask = DMA_BIT_MASK(32); @@ -987,9 +990,10 @@ static inline void configure_usart0_pins(unsigned pins) if (pins & ATMEL_UART_RTS) { /* * AT91RM9200 Errata #39 - RTS0 is not internally connected to PA21. - * We need to drive the pin manually. Default is off (RTS is active low). + * We need to drive the pin manually. The serial driver will driver + * this to high when initializing. */ - at91_set_gpio_output(AT91_PIN_PA21, 1); + uart0_data.rts_gpio = AT91_PIN_PA21; } } @@ -1009,6 +1013,7 @@ static struct resource uart1_resources[] = { static struct atmel_uart_data uart1_data = { .use_dma_tx = 1, .use_dma_rx = 1, + .rts_gpio = -EINVAL, }; static u64 uart1_dmamask = DMA_BIT_MASK(32); @@ -1060,6 +1065,7 @@ static struct resource uart2_resources[] = { static struct atmel_uart_data uart2_data = { .use_dma_tx = 1, .use_dma_rx = 1, + .rts_gpio = -EINVAL, }; static u64 uart2_dmamask = DMA_BIT_MASK(32); @@ -1103,6 +1109,7 @@ static struct resource uart3_resources[] = { static struct atmel_uart_data uart3_data = { .use_dma_tx = 1, .use_dma_rx = 1, + .rts_gpio = -EINVAL, }; static u64 uart3_dmamask = DMA_BIT_MASK(32); diff --git a/arch/arm/mach-at91/at91rm9200_time.c b/arch/arm/mach-at91/at91rm9200_time.c index bc7b363..7fd13ae 100644 --- a/arch/arm/mach-at91/at91rm9200_time.c +++ b/arch/arm/mach-at91/at91rm9200_time.c @@ -31,6 +31,7 @@ #include <asm/mach/time.h> #include <mach/at91_st.h> +#include <mach/hardware.h> static unsigned long last_crtr; static u32 irqmask; diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c index 6c821e5..c3d22be 100644 --- a/arch/arm/mach-at91/at91sam9260.c +++ b/arch/arm/mach-at91/at91sam9260.c @@ -21,6 +21,7 @@ #include <mach/cpu.h> #include <mach/at91_dbgu.h> #include <mach/at91sam9260.h> +#include <mach/hardware.h> #include "at91_aic.h" #include "at91_rstc.h" diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c index eda8d16..2ae7715 100644 --- a/arch/arm/mach-at91/at91sam9260_devices.c +++ b/arch/arm/mach-at91/at91sam9260_devices.c @@ -25,6 +25,7 @@ #include <mach/at91_matrix.h> #include <mach/at91sam9_smc.h> #include <mach/at91_adc.h> +#include <mach/hardware.h> #include "board.h" #include "generic.h" @@ -819,6 +820,7 @@ static struct resource dbgu_resources[] = { static struct atmel_uart_data dbgu_data = { .use_dma_tx = 0, .use_dma_rx = 0, /* DBGU not capable of receive DMA */ + .rts_gpio = -EINVAL, }; static u64 dbgu_dmamask = DMA_BIT_MASK(32); @@ -857,6 +859,7 @@ static struct resource uart0_resources[] = { static struct atmel_uart_data uart0_data = { .use_dma_tx = 1, .use_dma_rx = 1, + .rts_gpio = -EINVAL, }; static u64 uart0_dmamask = DMA_BIT_MASK(32); @@ -908,6 +911,7 @@ static struct resource uart1_resources[] = { static struct atmel_uart_data uart1_data = { .use_dma_tx = 1, .use_dma_rx = 1, + .rts_gpio = -EINVAL, }; static u64 uart1_dmamask = DMA_BIT_MASK(32); @@ -951,6 +955,7 @@ static struct resource uart2_resources[] = { static struct atmel_uart_data uart2_data = { .use_dma_tx = 1, .use_dma_rx = 1, + .rts_gpio = -EINVAL, }; static u64 uart2_dmamask = DMA_BIT_MASK(32); @@ -994,6 +999,7 @@ static struct resource uart3_resources[] = { static struct atmel_uart_data uart3_data = { .use_dma_tx = 1, .use_dma_rx = 1, + .rts_gpio = -EINVAL, }; static u64 uart3_dmamask = DMA_BIT_MASK(32); @@ -1037,6 +1043,7 @@ static struct resource uart4_resources[] = { static struct atmel_uart_data uart4_data = { .use_dma_tx = 1, .use_dma_rx = 1, + .rts_gpio = -EINVAL, }; static u64 uart4_dmamask = DMA_BIT_MASK(32); @@ -1075,6 +1082,7 @@ static struct resource uart5_resources[] = { static struct atmel_uart_data uart5_data = { .use_dma_tx = 1, .use_dma_rx = 1, + .rts_gpio = -EINVAL, }; static u64 uart5_dmamask = DMA_BIT_MASK(32); diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c index 6276b4c..48b51f7 100644 --- a/arch/arm/mach-at91/at91sam9261.c +++ b/arch/arm/mach-at91/at91sam9261.c @@ -20,6 +20,7 @@ #include <asm/system_misc.h> #include <mach/cpu.h> #include <mach/at91sam9261.h> +#include <mach/hardware.h> #include "at91_aic.h" #include "at91_rstc.h" diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c index b2a3474..80e3589 100644 --- a/arch/arm/mach-at91/at91sam9261_devices.c +++ b/arch/arm/mach-at91/at91sam9261_devices.c @@ -25,6 +25,7 @@ #include <mach/at91sam9261_matrix.h> #include <mach/at91_matrix.h> #include <mach/at91sam9_smc.h> +#include <mach/hardware.h> #include "board.h" #include "generic.h" @@ -880,6 +881,7 @@ static struct resource dbgu_resources[] = { static struct atmel_uart_data dbgu_data = { .use_dma_tx = 0, .use_dma_rx = 0, /* DBGU not capable of receive DMA */ + .rts_gpio = -EINVAL, }; static u64 dbgu_dmamask = DMA_BIT_MASK(32); @@ -918,6 +920,7 @@ static struct resource uart0_resources[] = { static struct atmel_uart_data uart0_data = { .use_dma_tx = 1, .use_dma_rx = 1, + .rts_gpio = -EINVAL, }; static u64 uart0_dmamask = DMA_BIT_MASK(32); @@ -961,6 +964,7 @@ static struct resource uart1_resources[] = { static struct atmel_uart_data uart1_data = { .use_dma_tx = 1, .use_dma_rx = 1, + .rts_gpio = -EINVAL, }; static u64 uart1_dmamask = DMA_BIT_MASK(32); @@ -1004,6 +1008,7 @@ static struct resource uart2_resources[] = { static struct atmel_uart_data uart2_data = { .use_dma_tx = 1, .use_dma_rx = 1, + .rts_gpio = -EINVAL, }; static u64 uart2_dmamask = DMA_BIT_MASK(32); diff --git a/arch/arm/mach-at91/at91sam9263.c b/arch/arm/mach-at91/at91sam9263.c index 37b90f4..486530c 100644 --- a/arch/arm/mach-at91/at91sam9263.c +++ b/arch/arm/mach-at91/at91sam9263.c @@ -19,6 +19,7 @@ #include <asm/mach/map.h> #include <asm/system_misc.h> #include <mach/at91sam9263.h> +#include <mach/hardware.h> #include "at91_aic.h" #include "at91_rstc.h" diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c index 4aeaddd..43d53d6 100644 --- a/arch/arm/mach-at91/at91sam9263_devices.c +++ b/arch/arm/mach-at91/at91sam9263_devices.c @@ -24,6 +24,7 @@ #include <mach/at91sam9263_matrix.h> #include <mach/at91_matrix.h> #include <mach/at91sam9_smc.h> +#include <mach/hardware.h> #include "board.h" #include "generic.h" @@ -1324,6 +1325,7 @@ static struct resource dbgu_resources[] = { static struct atmel_uart_data dbgu_data = { .use_dma_tx = 0, .use_dma_rx = 0, /* DBGU not capable of receive DMA */ + .rts_gpio = -EINVAL, }; static u64 dbgu_dmamask = DMA_BIT_MASK(32); @@ -1362,6 +1364,7 @@ static struct resource uart0_resources[] = { static struct atmel_uart_data uart0_data = { .use_dma_tx = 1, .use_dma_rx = 1, + .rts_gpio = -EINVAL, }; static u64 uart0_dmamask = DMA_BIT_MASK(32); @@ -1405,6 +1408,7 @@ static struct resource uart1_resources[] = { static struct atmel_uart_data uart1_data = { .use_dma_tx = 1, .use_dma_rx = 1, + .rts_gpio = -EINVAL, }; static u64 uart1_dmamask = DMA_BIT_MASK(32); @@ -1448,6 +1452,7 @@ static struct resource uart2_resources[] = { static struct atmel_uart_data uart2_data = { .use_dma_tx = 1, .use_dma_rx = 1, + .rts_gpio = -EINVAL, }; static u64 uart2_dmamask = DMA_BIT_MASK(32); diff --git a/arch/arm/mach-at91/at91sam926x_time.c b/arch/arm/mach-at91/at91sam926x_time.c index 0f04ffe..0a9e2fc 100644 --- a/arch/arm/mach-at91/at91sam926x_time.c +++ b/arch/arm/mach-at91/at91sam926x_time.c @@ -19,6 +19,7 @@ #include <linux/of_irq.h> #include <asm/mach/time.h> +#include <mach/hardware.h> #define AT91_PIT_MR 0x00 /* Mode Register */ #define AT91_PIT_PITIEN (1 << 25) /* Timer Interrupt Enable */ diff --git a/arch/arm/mach-at91/at91sam9g45.c b/arch/arm/mach-at91/at91sam9g45.c index 2f455ce..8c11696 100644 --- a/arch/arm/mach-at91/at91sam9g45.c +++ b/arch/arm/mach-at91/at91sam9g45.c @@ -20,6 +20,7 @@ #include <asm/system_misc.h> #include <mach/at91sam9g45.h> #include <mach/cpu.h> +#include <mach/hardware.h> #include "at91_aic.h" #include "soc.h" diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c index cb36fa8..77b04c2 100644 --- a/arch/arm/mach-at91/at91sam9g45_devices.c +++ b/arch/arm/mach-at91/at91sam9g45_devices.c @@ -32,6 +32,7 @@ #include <mach/at91sam9_smc.h> #include <linux/platform_data/dma-atmel.h> #include <mach/atmel-mci.h> +#include <mach/hardware.h> #include <media/atmel-isi.h> @@ -1587,6 +1588,7 @@ static struct resource dbgu_resources[] = { static struct atmel_uart_data dbgu_data = { .use_dma_tx = 0, .use_dma_rx = 0, + .rts_gpio = -EINVAL, }; static u64 dbgu_dmamask = DMA_BIT_MASK(32); @@ -1625,6 +1627,7 @@ static struct resource uart0_resources[] = { static struct atmel_uart_data uart0_data = { .use_dma_tx = 1, .use_dma_rx = 1, + .rts_gpio = -EINVAL, }; static u64 uart0_dmamask = DMA_BIT_MASK(32); @@ -1668,6 +1671,7 @@ static struct resource uart1_resources[] = { static struct atmel_uart_data uart1_data = { .use_dma_tx = 1, .use_dma_rx = 1, + .rts_gpio = -EINVAL, }; static u64 uart1_dmamask = DMA_BIT_MASK(32); @@ -1711,6 +1715,7 @@ static struct resource uart2_resources[] = { static struct atmel_uart_data uart2_data = { .use_dma_tx = 1, .use_dma_rx = 1, + .rts_gpio = -EINVAL, }; static u64 uart2_dmamask = DMA_BIT_MASK(32); @@ -1754,6 +1759,7 @@ static struct resource uart3_resources[] = { static struct atmel_uart_data uart3_data = { .use_dma_tx = 1, .use_dma_rx = 1, + .rts_gpio = -EINVAL, }; static u64 uart3_dmamask = DMA_BIT_MASK(32); diff --git a/arch/arm/mach-at91/at91sam9rl.c b/arch/arm/mach-at91/at91sam9rl.c index 3651517..c0d5474 100644 --- a/arch/arm/mach-at91/at91sam9rl.c +++ b/arch/arm/mach-at91/at91sam9rl.c @@ -20,6 +20,7 @@ #include <mach/cpu.h> #include <mach/at91_dbgu.h> #include <mach/at91sam9rl.h> +#include <mach/hardware.h> #include "at91_aic.h" #include "at91_rstc.h" diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c index a698bda..428fc41 100644 --- a/arch/arm/mach-at91/at91sam9rl_devices.c +++ b/arch/arm/mach-at91/at91sam9rl_devices.c @@ -21,6 +21,7 @@ #include <mach/at91sam9rl_matrix.h> #include <mach/at91_matrix.h> #include <mach/at91sam9_smc.h> +#include <mach/hardware.h> #include <linux/platform_data/dma-atmel.h> #include "board.h" @@ -956,6 +957,7 @@ static struct resource dbgu_resources[] = { static struct atmel_uart_data dbgu_data = { .use_dma_tx = 0, .use_dma_rx = 0, /* DBGU not capable of receive DMA */ + .rts_gpio = -EINVAL, }; static u64 dbgu_dmamask = DMA_BIT_MASK(32); @@ -994,6 +996,7 @@ static struct resource uart0_resources[] = { static struct atmel_uart_data uart0_data = { .use_dma_tx = 1, .use_dma_rx = 1, + .rts_gpio = -EINVAL, }; static u64 uart0_dmamask = DMA_BIT_MASK(32); @@ -1045,6 +1048,7 @@ static struct resource uart1_resources[] = { static struct atmel_uart_data uart1_data = { .use_dma_tx = 1, .use_dma_rx = 1, + .rts_gpio = -EINVAL, }; static u64 uart1_dmamask = DMA_BIT_MASK(32); @@ -1088,6 +1092,7 @@ static struct resource uart2_resources[] = { static struct atmel_uart_data uart2_data = { .use_dma_tx = 1, .use_dma_rx = 1, + .rts_gpio = -EINVAL, }; static u64 uart2_dmamask = DMA_BIT_MASK(32); @@ -1131,6 +1136,7 @@ static struct resource uart3_resources[] = { static struct atmel_uart_data uart3_data = { .use_dma_tx = 1, .use_dma_rx = 1, + .rts_gpio = -EINVAL, }; static u64 uart3_dmamask = DMA_BIT_MASK(32); diff --git a/arch/arm/mach-at91/at91x40.c b/arch/arm/mach-at91/at91x40.c index bad94b8..7523f1c 100644 --- a/arch/arm/mach-at91/at91x40.c +++ b/arch/arm/mach-at91/at91x40.c @@ -19,7 +19,7 @@ #include <asm/mach/arch.h> #include <mach/at91x40.h> #include <mach/at91_st.h> -#include <mach/timex.h> +#include <mach/hardware.h> #include "at91_aic.h" #include "generic.h" diff --git a/arch/arm/mach-at91/at91x40_time.c b/arch/arm/mach-at91/at91x40_time.c index c0e637a..07d0bf2 100644 --- a/arch/arm/mach-at91/at91x40_time.c +++ b/arch/arm/mach-at91/at91x40_time.c @@ -25,6 +25,7 @@ #include <linux/time.h> #include <linux/io.h> #include <mach/hardware.h> +#include <mach/at91x40.h> #include <asm/mach/time.h> #include "at91_tc.h" diff --git a/arch/arm/mach-at91/board-gsia18s.c b/arch/arm/mach-at91/board-gsia18s.c index c1d61d2..416bae8 100644 --- a/arch/arm/mach-at91/board-gsia18s.c +++ b/arch/arm/mach-at91/board-gsia18s.c @@ -31,6 +31,7 @@ #include <asm/mach/arch.h> #include <mach/at91sam9_smc.h> +#include <mach/hardware.h> #include "at91_aic.h" #include "board.h" diff --git a/arch/arm/mach-at91/board-pcontrol-g20.c b/arch/arm/mach-at91/board-pcontrol-g20.c index 65c0d6b..5f25fa5 100644 --- a/arch/arm/mach-at91/board-pcontrol-g20.c +++ b/arch/arm/mach-at91/board-pcontrol-g20.c @@ -30,6 +30,7 @@ #include <asm/mach/arch.h> #include <mach/at91sam9_smc.h> +#include <mach/hardware.h> #include "at91_aic.h" #include "board.h" diff --git a/arch/arm/mach-at91/board-stamp9g20.c b/arch/arm/mach-at91/board-stamp9g20.c index 869cbec..e4a5ac1 100644 --- a/arch/arm/mach-at91/board-stamp9g20.c +++ b/arch/arm/mach-at91/board-stamp9g20.c @@ -26,6 +26,7 @@ #include <asm/mach/arch.h> #include <mach/at91sam9_smc.h> +#include <mach/hardware.h> #include "at91_aic.h" #include "board.h" diff --git a/arch/arm/mach-at91/include/mach/at91x40.h b/arch/arm/mach-at91/include/mach/at91x40.h index 9068021..38dca2b 100644 --- a/arch/arm/mach-at91/include/mach/at91x40.h +++ b/arch/arm/mach-at91/include/mach/at91x40.h @@ -55,4 +55,6 @@ #define AT91_PS_CR (AT91_PS + 0) /* PS Control register */ #define AT91_PS_CR_CPU (1 << 0) /* CPU clock disable bit */ +#define AT91X40_MASTER_CLOCK 40000000 + #endif /* AT91X40_H */ diff --git a/arch/arm/mach-at91/include/mach/timex.h b/arch/arm/mach-at91/include/mach/timex.h deleted file mode 100644 index 5e917a6..0000000 --- a/arch/arm/mach-at91/include/mach/timex.h +++ /dev/null @@ -1,37 +0,0 @@ -/* - * arch/arm/mach-at91/include/mach/timex.h - * - * Copyright (C) 2003 SAN People - * - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifndef __ASM_ARCH_TIMEX_H -#define __ASM_ARCH_TIMEX_H - -#include <mach/hardware.h> - -#ifdef CONFIG_ARCH_AT91X40 - -#define AT91X40_MASTER_CLOCK 40000000 -#define CLOCK_TICK_RATE (AT91X40_MASTER_CLOCK) - -#else - -#define CLOCK_TICK_RATE 12345678 - -#endif - -#endif /* __ASM_ARCH_TIMEX_H */ diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c index 590b52d..8bda1ce 100644 --- a/arch/arm/mach-at91/pm.c +++ b/arch/arm/mach-at91/pm.c @@ -27,6 +27,7 @@ #include <asm/mach/irq.h> #include <mach/cpu.h> +#include <mach/hardware.h> #include "at91_aic.h" #include "generic.h" diff --git a/arch/arm/mach-clps711x/include/mach/timex.h b/arch/arm/mach-clps711x/include/mach/timex.h deleted file mode 100644 index de6fd19..0000000 --- a/arch/arm/mach-clps711x/include/mach/timex.h +++ /dev/null @@ -1,2 +0,0 @@ -/* Bogus value */ -#define CLOCK_TICK_RATE 512000 diff --git a/arch/arm/mach-davinci/include/mach/timex.h b/arch/arm/mach-davinci/include/mach/timex.h deleted file mode 100644 index 9b88529..0000000 --- a/arch/arm/mach-davinci/include/mach/timex.h +++ /dev/null @@ -1,22 +0,0 @@ -/* - * DaVinci timer defines - * - * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com> - * - * 2007 (c) MontaVista Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. - */ -#ifndef __ASM_ARCH_TIMEX_H -#define __ASM_ARCH_TIMEX_H - -/* - * Alert: Not all timers of the DaVinci family run at a frequency of 27MHz, - * but we should be fine as long as CLOCK_TICK_RATE or LATCH (see include/ - * linux/jiffies.h) are not used directly in code. Currently none of the - * code relevant to DaVinci platform depends on these values directly. - */ -#define CLOCK_TICK_RATE 27000000 - -#endif /* __ASM_ARCH_TIMEX_H__ */ diff --git a/arch/arm/mach-dove/include/mach/timex.h b/arch/arm/mach-dove/include/mach/timex.h deleted file mode 100644 index 251d538..0000000 --- a/arch/arm/mach-dove/include/mach/timex.h +++ /dev/null @@ -1,9 +0,0 @@ -/* - * arch/arm/mach-dove/include/mach/timex.h - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ - -#define CLOCK_TICK_RATE (100 * HZ) diff --git a/arch/arm/mach-ebsa110/include/mach/timex.h b/arch/arm/mach-ebsa110/include/mach/timex.h deleted file mode 100644 index 4fb43b2..0000000 --- a/arch/arm/mach-ebsa110/include/mach/timex.h +++ /dev/null @@ -1,19 +0,0 @@ -/* - * arch/arm/mach-ebsa110/include/mach/timex.h - * - * Copyright (C) 1997, 1998 Russell King - * - * 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. - * - * EBSA110 architecture timex specifications - */ - -/* - * On the EBSA, the clock ticks at weird rates. - * This is therefore not used to calculate the - * divisor. - */ -#define CLOCK_TICK_RATE 47894000 - diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c index 157ba88..6c70547 100644 --- a/arch/arm/mach-ep93xx/core.c +++ b/arch/arm/mach-ep93xx/core.c @@ -117,7 +117,7 @@ void __init ep93xx_map_io(void) #define EP93XX_TIMER4_CLOCK 983040 #define TIMER1_RELOAD ((EP93XX_TIMER123_CLOCK / HZ) - 1) -#define TIMER4_TICKS_PER_JIFFY DIV_ROUND_CLOSEST(CLOCK_TICK_RATE, HZ) +#define TIMER4_TICKS_PER_JIFFY DIV_ROUND_CLOSEST(EP93XX_TIMER4_CLOCK, HZ) static unsigned int last_jiffy_time; diff --git a/arch/arm/mach-ep93xx/include/mach/timex.h b/arch/arm/mach-ep93xx/include/mach/timex.h deleted file mode 100644 index 6b3503b..0000000 --- a/arch/arm/mach-ep93xx/include/mach/timex.h +++ /dev/null @@ -1,5 +0,0 @@ -/* - * arch/arm/mach-ep93xx/include/mach/timex.h - */ - -#define CLOCK_TICK_RATE 983040 diff --git a/arch/arm/mach-exynos/include/mach/timex.h b/arch/arm/mach-exynos/include/mach/timex.h deleted file mode 100644 index 6d13875..0000000 --- a/arch/arm/mach-exynos/include/mach/timex.h +++ /dev/null @@ -1,29 +0,0 @@ -/* linux/arch/arm/mach-exynos4/include/mach/timex.h - * - * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. - * http://www.samsung.com - * - * Copyright (c) 2003-2010 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * Based on arch/arm/mach-s5p6442/include/mach/timex.h - * - * EXYNOS4 - time parameters - * - * 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. -*/ - -#ifndef __ASM_ARCH_TIMEX_H -#define __ASM_ARCH_TIMEX_H __FILE__ - -/* CLOCK_TICK_RATE needs to be evaluatable by the cpp, so making it - * a variable is useless. It seems as long as we make our timers an - * exact multiple of HZ, any value that makes a 1->1 correspondence - * for the time conversion functions to/from jiffies is acceptable. -*/ - -#define CLOCK_TICK_RATE 12000000 - -#endif /* __ASM_ARCH_TIMEX_H */ diff --git a/arch/arm/mach-footbridge/include/mach/timex.h b/arch/arm/mach-footbridge/include/mach/timex.h deleted file mode 100644 index d0fea9d..0000000 --- a/arch/arm/mach-footbridge/include/mach/timex.h +++ /dev/null @@ -1,18 +0,0 @@ -/* - * arch/arm/mach-footbridge/include/mach/timex.h - * - * Copyright (C) 1998 Russell King - * - * 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. - * - * EBSA285 architecture timex specifications - */ - -/* - * We assume a constant here; this satisfies the maths in linux/timex.h - * and linux/time.h. CLOCK_TICK_RATE is actually system dependent, but - * this must be a constant. - */ -#define CLOCK_TICK_RATE (50000000/16) diff --git a/arch/arm/mach-gemini/include/mach/timex.h b/arch/arm/mach-gemini/include/mach/timex.h deleted file mode 100644 index dc5690b..0000000 --- a/arch/arm/mach-gemini/include/mach/timex.h +++ /dev/null @@ -1,13 +0,0 @@ -/* - * Gemini timex specifications - * - * Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt> - * - * 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. - */ - -/* When AHB bus frequency is 150MHz */ -#define CLOCK_TICK_RATE 38000000 diff --git a/arch/arm/mach-integrator/include/mach/timex.h b/arch/arm/mach-integrator/include/mach/timex.h deleted file mode 100644 index 1dcb420..0000000 --- a/arch/arm/mach-integrator/include/mach/timex.h +++ /dev/null @@ -1,26 +0,0 @@ -/* - * arch/arm/mach-integrator/include/mach/timex.h - * - * Integrator architecture timex specifications - * - * Copyright (C) 1999 ARM Limited - * - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -/* - * ?? - */ -#define CLOCK_TICK_RATE (50000000 / 16) diff --git a/arch/arm/mach-iop13xx/include/mach/timex.h b/arch/arm/mach-iop13xx/include/mach/timex.h deleted file mode 100644 index 45fb274..0000000 --- a/arch/arm/mach-iop13xx/include/mach/timex.h +++ /dev/null @@ -1 +0,0 @@ -#define CLOCK_TICK_RATE (100 * HZ) diff --git a/arch/arm/mach-iop32x/include/mach/timex.h b/arch/arm/mach-iop32x/include/mach/timex.h deleted file mode 100644 index 7262ab8..0000000 --- a/arch/arm/mach-iop32x/include/mach/timex.h +++ /dev/null @@ -1,6 +0,0 @@ -/* - * arch/arm/mach-iop32x/include/mach/timex.h - * - * IOP32x architecture timex specifications - */ -#define CLOCK_TICK_RATE (100 * HZ) diff --git a/arch/arm/mach-iop33x/include/mach/timex.h b/arch/arm/mach-iop33x/include/mach/timex.h deleted file mode 100644 index 54c5890..0000000 --- a/arch/arm/mach-iop33x/include/mach/timex.h +++ /dev/null @@ -1,6 +0,0 @@ -/* - * arch/arm/mach-iop33x/include/mach/timex.h - * - * IOP3xx architecture timex specifications - */ -#define CLOCK_TICK_RATE (100 * HZ) diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c index 6d68aed..dc5d7a0 100644 --- a/arch/arm/mach-ixp4xx/common.c +++ b/arch/arm/mach-ixp4xx/common.c @@ -23,7 +23,6 @@ #include <linux/interrupt.h> #include <linux/bitops.h> #include <linux/time.h> -#include <linux/timex.h> #include <linux/clocksource.h> #include <linux/clockchips.h> #include <linux/io.h> @@ -45,6 +44,17 @@ #include <asm/mach/irq.h> #include <asm/mach/time.h> +#define IXP4XX_TIMER_FREQ 66666000 + +/* + * The timer register doesn't allow to specify the two least significant bits of + * the timeout value and assumes them being zero. So make sure IXP4XX_LATCH is + * the best value with the two least significant bits unset. + */ +#define IXP4XX_LATCH DIV_ROUND_CLOSEST(IXP4XX_TIMER_FREQ, \ + (IXP4XX_OST_RELOAD_MASK + 1) * HZ) * \ + (IXP4XX_OST_RELOAD_MASK + 1) + static void __init ixp4xx_clocksource_init(void); static void __init ixp4xx_clockevent_init(void); static struct clock_event_device clockevent_ixp4xx; @@ -520,7 +530,7 @@ static void ixp4xx_set_mode(enum clock_event_mode mode, switch (mode) { case CLOCK_EVT_MODE_PERIODIC: - osrt = LATCH & ~IXP4XX_OST_RELOAD_MASK; + osrt = IXP4XX_LATCH & ~IXP4XX_OST_RELOAD_MASK; opts = IXP4XX_OST_ENABLE; break; case CLOCK_EVT_MODE_ONESHOT: diff --git a/arch/arm/mach-ixp4xx/include/mach/timex.h b/arch/arm/mach-ixp4xx/include/mach/timex.h deleted file mode 100644 index 0396d89..0000000 --- a/arch/arm/mach-ixp4xx/include/mach/timex.h +++ /dev/null @@ -1,16 +0,0 @@ -/* - * arch/arm/mach-ixp4xx/include/mach/timex.h - * - */ - -#include <mach/ixp4xx-regs.h> - -/* - * We use IXP425 General purpose timer for our timer needs, it runs at - * 66.66... MHz. We do a convulted calculation of CLOCK_TICK_RATE b/c the - * timer register ignores the bottom 2 bits of the LATCH value. - */ -#define IXP4XX_TIMER_FREQ 66666000 -#define CLOCK_TICK_RATE \ - (((IXP4XX_TIMER_FREQ / HZ & ~IXP4XX_OST_RELOAD_MASK) + 1) * HZ) - diff --git a/arch/arm/mach-kirkwood/include/mach/timex.h b/arch/arm/mach-kirkwood/include/mach/timex.h deleted file mode 100644 index c923cd1..0000000 --- a/arch/arm/mach-kirkwood/include/mach/timex.h +++ /dev/null @@ -1,10 +0,0 @@ -/* - * arch/arm/mach-kirkwood/include/mach/timex.h - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ - -#define CLOCK_TICK_RATE (100 * HZ) - diff --git a/arch/arm/mach-ks8695/include/mach/timex.h b/arch/arm/mach-ks8695/include/mach/timex.h deleted file mode 100644 index 10f7163..0000000 --- a/arch/arm/mach-ks8695/include/mach/timex.h +++ /dev/null @@ -1,21 +0,0 @@ -/* - * arch/arm/mach-ks8695/include/mach/timex.h - * - * Copyright (C) 2006 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * KS8695 - Time Parameters - * - * 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. - */ - -#ifndef __ASM_ARCH_TIMEX_H -#define __ASM_ARCH_TIMEX_H - -#include <mach/hardware.h> - -#define CLOCK_TICK_RATE KS8695_CLOCK_RATE - -#endif diff --git a/arch/arm/mach-lpc32xx/include/mach/timex.h b/arch/arm/mach-lpc32xx/include/mach/timex.h deleted file mode 100644 index 8d4066b..0000000 --- a/arch/arm/mach-lpc32xx/include/mach/timex.h +++ /dev/null @@ -1,28 +0,0 @@ -/* - * arch/arm/mach-lpc32xx/include/mach/timex.h - * - * Author: Kevin Wells <kevin.wells@nxp.com> - * - * Copyright (C) 2010 NXP Semiconductors - * - * 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. - */ - -#ifndef __ASM_ARCH_TIMEX_H -#define __ASM_ARCH_TIMEX_H - -/* - * Rate in Hz of the main system oscillator. This value should match - * the value 'MAIN_OSC_FREQ' in platform.h - */ -#define CLOCK_TICK_RATE 13000000 - -#endif diff --git a/arch/arm/mach-mmp/include/mach/timex.h b/arch/arm/mach-mmp/include/mach/timex.h deleted file mode 100644 index 70c9f1d..0000000 --- a/arch/arm/mach-mmp/include/mach/timex.h +++ /dev/null @@ -1,13 +0,0 @@ -/* - * linux/arch/arm/mach-mmp/include/mach/timex.h - * - * 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. - */ - -#ifdef CONFIG_CPU_MMP2 -#define CLOCK_TICK_RATE 6500000 -#else -#define CLOCK_TICK_RATE 3250000 -#endif diff --git a/arch/arm/mach-mmp/time.c b/arch/arm/mach-mmp/time.c index 024022d..048997e 100644 --- a/arch/arm/mach-mmp/time.c +++ b/arch/arm/mach-mmp/time.c @@ -39,6 +39,12 @@ #include "clock.h" +#ifdef CONFIG_CPU_MMP2 +#define MMP_CLOCK_FREQ 6500000 +#else +#define MMP_CLOCK_FREQ 3250000 +#endif + #define TIMERS_VIRT_BASE TIMERS1_VIRT_BASE #define MAX_DELTA (0xfffffffe) @@ -195,14 +201,14 @@ void __init timer_init(int irq) { timer_config(); - sched_clock_register(mmp_read_sched_clock, 32, CLOCK_TICK_RATE); + sched_clock_register(mmp_read_sched_clock, 32, MMP_CLOCK_FREQ); ckevt.cpumask = cpumask_of(0); setup_irq(irq, &timer_irq); - clocksource_register_hz(&cksrc, CLOCK_TICK_RATE); - clockevents_config_and_register(&ckevt, CLOCK_TICK_RATE, + clocksource_register_hz(&cksrc, MMP_CLOCK_FREQ); + clockevents_config_and_register(&ckevt, MMP_CLOCK_FREQ, MIN_DELTA, MAX_DELTA); } diff --git a/arch/arm/mach-msm/include/mach/timex.h b/arch/arm/mach-msm/include/mach/timex.h deleted file mode 100644 index a62e6b2..0000000 --- a/arch/arm/mach-msm/include/mach/timex.h +++ /dev/null @@ -1,21 +0,0 @@ -/* arch/arm/mach-msm/include/mach/timex.h - * - * Copyright (C) 2007 Google, Inc. - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * 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. - * - */ - -#ifndef __ASM_ARCH_MSM_TIMEX_H -#define __ASM_ARCH_MSM_TIMEX_H - -#define CLOCK_TICK_RATE 1000000 - -#endif diff --git a/arch/arm/mach-mv78xx0/include/mach/timex.h b/arch/arm/mach-mv78xx0/include/mach/timex.h deleted file mode 100644 index 0e8c443..0000000 --- a/arch/arm/mach-mv78xx0/include/mach/timex.h +++ /dev/null @@ -1,9 +0,0 @@ -/* - * arch/arm/mach-mv78xx0/include/mach/timex.h - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ - -#define CLOCK_TICK_RATE (100 * HZ) diff --git a/arch/arm/mach-netx/include/mach/timex.h b/arch/arm/mach-netx/include/mach/timex.h deleted file mode 100644 index 1120dd0..0000000 --- a/arch/arm/mach-netx/include/mach/timex.h +++ /dev/null @@ -1,20 +0,0 @@ -/* - * arch/arm/mach-netx/include/mach/timex.h - * - * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix - * - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#define CLOCK_TICK_RATE 100000000 diff --git a/arch/arm/mach-netx/time.c b/arch/arm/mach-netx/time.c index 6df42e6..e234601 100644 --- a/arch/arm/mach-netx/time.c +++ b/arch/arm/mach-netx/time.c @@ -28,6 +28,9 @@ #include <asm/mach/time.h> #include <mach/netx-regs.h> +#define NETX_CLOCK_FREQ 100000000 +#define NETX_LATCH DIV_ROUND_CLOSEST(NETX_CLOCK_FREQ, HZ) + #define TIMER_CLOCKEVENT 0 #define TIMER_CLOCKSOURCE 1 @@ -41,7 +44,7 @@ static void netx_set_mode(enum clock_event_mode mode, switch (mode) { case CLOCK_EVT_MODE_PERIODIC: - writel(LATCH, NETX_GPIO_COUNTER_MAX(TIMER_CLOCKEVENT)); + writel(NETX_LATCH, NETX_GPIO_COUNTER_MAX(TIMER_CLOCKEVENT)); tmode = NETX_GPIO_COUNTER_CTRL_RST_EN | NETX_GPIO_COUNTER_CTRL_IRQ_EN | NETX_GPIO_COUNTER_CTRL_RUN; @@ -114,7 +117,7 @@ void __init netx_timer_init(void) /* Reset the timer value to zero */ writel(0, NETX_GPIO_COUNTER_CURRENT(0)); - writel(LATCH, NETX_GPIO_COUNTER_MAX(0)); + writel(NETX_LATCH, NETX_GPIO_COUNTER_MAX(0)); /* acknowledge interrupt */ writel(COUNTER_BIT(0), NETX_GPIO_IRQ); @@ -137,11 +140,11 @@ void __init netx_timer_init(void) NETX_GPIO_COUNTER_CTRL(TIMER_CLOCKSOURCE)); clocksource_mmio_init(NETX_GPIO_COUNTER_CURRENT(TIMER_CLOCKSOURCE), - "netx_timer", CLOCK_TICK_RATE, 200, 32, clocksource_mmio_readl_up); + "netx_timer", NETX_CLOCK_FREQ, 200, 32, clocksource_mmio_readl_up); /* with max_delta_ns >= delta2ns(0x800) the system currently runs fine. * Adding some safety ... */ netx_clockevent.cpumask = cpumask_of(0); - clockevents_config_and_register(&netx_clockevent, CLOCK_TICK_RATE, + clockevents_config_and_register(&netx_clockevent, NETX_CLOCK_FREQ, 0xa00, 0xfffffffe); } diff --git a/arch/arm/mach-omap1/include/mach/timex.h b/arch/arm/mach-omap1/include/mach/timex.h deleted file mode 100644 index 4793790..0000000 --- a/arch/arm/mach-omap1/include/mach/timex.h +++ /dev/null @@ -1,5 +0,0 @@ -/* - * arch/arm/mach-omap1/include/mach/timex.h - */ - -#include <plat/timex.h> diff --git a/arch/arm/mach-omap2/include/mach/timex.h b/arch/arm/mach-omap2/include/mach/timex.h deleted file mode 100644 index de9f8fc..0000000 --- a/arch/arm/mach-omap2/include/mach/timex.h +++ /dev/null @@ -1,5 +0,0 @@ -/* - * arch/arm/mach-omap2/include/mach/timex.h - */ - -#include <plat/timex.h> diff --git a/arch/arm/mach-orion5x/include/mach/timex.h b/arch/arm/mach-orion5x/include/mach/timex.h deleted file mode 100644 index 4c69820..0000000 --- a/arch/arm/mach-orion5x/include/mach/timex.h +++ /dev/null @@ -1,11 +0,0 @@ -/* - * arch/arm/mach-orion5x/include/mach/timex.h - * - * Tzachi Perelstein <tzachi@marvell.com> - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ - -#define CLOCK_TICK_RATE (100 * HZ) diff --git a/arch/arm/mach-pxa/include/mach/timex.h b/arch/arm/mach-pxa/include/mach/timex.h deleted file mode 100644 index af6760a..0000000 --- a/arch/arm/mach-pxa/include/mach/timex.h +++ /dev/null @@ -1,34 +0,0 @@ -/* - * arch/arm/mach-pxa/include/mach/timex.h - * - * Author: Nicolas Pitre - * Created: Jun 15, 2001 - * Copyright: MontaVista Software Inc. - * - * 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. - */ - -/* Various drivers are still using the constant of CLOCK_TICK_RATE, for - * those drivers to at least work, the definition is provided here. - * - * NOTE: this is no longer accurate when multiple processors and boards - * are selected, newer drivers should not depend on this any more. Use - * either the clocksource/clockevent or get this at run-time by calling - * get_clock_tick_rate() (as defined in generic.c). - */ - -#if defined(CONFIG_PXA25x) -/* PXA250/210 timer base */ -#define CLOCK_TICK_RATE 3686400 -#elif defined(CONFIG_PXA27x) -/* PXA27x timer base */ -#ifdef CONFIG_MACH_MAINSTONE -#define CLOCK_TICK_RATE 3249600 -#else -#define CLOCK_TICK_RATE 3250000 -#endif -#else -#define CLOCK_TICK_RATE 3250000 -#endif diff --git a/arch/arm/mach-realview/include/mach/timex.h b/arch/arm/mach-realview/include/mach/timex.h deleted file mode 100644 index 4eeb069..0000000 --- a/arch/arm/mach-realview/include/mach/timex.h +++ /dev/null @@ -1,23 +0,0 @@ -/* - * arch/arm/mach-realview/include/mach/timex.h - * - * RealView architecture timex specifications - * - * Copyright (C) 2003 ARM Limited - * - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#define CLOCK_TICK_RATE (50000000 / 16) diff --git a/arch/arm/mach-rpc/include/mach/timex.h b/arch/arm/mach-rpc/include/mach/timex.h deleted file mode 100644 index dd75e73..0000000 --- a/arch/arm/mach-rpc/include/mach/timex.h +++ /dev/null @@ -1,17 +0,0 @@ -/* - * arch/arm/mach-rpc/include/mach/timex.h - * - * Copyright (C) 1997, 1998 Russell King - * - * 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. - * - * RiscPC architecture timex specifications - */ - -/* - * On the RiscPC, the clock ticks at 2MHz. - */ -#define CLOCK_TICK_RATE 2000000 - diff --git a/arch/arm/mach-rpc/time.c b/arch/arm/mach-rpc/time.c index 9a6def1..99363ae 100644 --- a/arch/arm/mach-rpc/time.c +++ b/arch/arm/mach-rpc/time.c @@ -24,6 +24,9 @@ #include <asm/mach/time.h> +#define RPC_CLOCK_FREQ 2000000 +#define RPC_LATCH DIV_ROUND_CLOSEST(RPC_CLOCK_FREQ, HZ) + static u32 ioc_timer_gettimeoffset(void) { unsigned int count1, count2, status; @@ -46,23 +49,23 @@ static u32 ioc_timer_gettimeoffset(void) * and count2. */ if (status & (1 << 5)) - offset -= LATCH; + offset -= RPC_LATCH; } else if (count2 > count1) { /* * We have just had another interrupt between reading * count1 and count2. */ - offset -= LATCH; + offset -= RPC_LATCH; } - offset = (LATCH - offset) * (tick_nsec / 1000); - return ((offset + LATCH/2) / LATCH) * 1000; + offset = (RPC_LATCH - offset) * (tick_nsec / 1000); + return DIV_ROUND_CLOSEST(offset, RPC_LATCH) * 1000; } void __init ioctime_init(void) { - ioc_writeb(LATCH & 255, IOC_T0LTCHL); - ioc_writeb(LATCH >> 8, IOC_T0LTCHH); + ioc_writeb(RPC_LATCH & 255, IOC_T0LTCHL); + ioc_writeb(RPC_LATCH >> 8, IOC_T0LTCHH); ioc_writeb(0, IOC_T0GO); } diff --git a/arch/arm/mach-s3c24xx/include/mach/timex.h b/arch/arm/mach-s3c24xx/include/mach/timex.h deleted file mode 100644 index fe9ca1f..0000000 --- a/arch/arm/mach-s3c24xx/include/mach/timex.h +++ /dev/null @@ -1,24 +0,0 @@ -/* arch/arm/mach-s3c2410/include/mach/timex.h - * - * Copyright (c) 2003-2005 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * S3C2410 - time parameters - * - * 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. -*/ - -#ifndef __ASM_ARCH_TIMEX_H -#define __ASM_ARCH_TIMEX_H - -/* CLOCK_TICK_RATE needs to be evaluatable by the cpp, so making it - * a variable is useless. It seems as long as we make our timers an - * exact multiple of HZ, any value that makes a 1->1 correspondence - * for the time conversion functions to/from jiffies is acceptable. -*/ - -#define CLOCK_TICK_RATE 12000000 - -#endif /* __ASM_ARCH_TIMEX_H */ diff --git a/arch/arm/mach-s3c64xx/include/mach/timex.h b/arch/arm/mach-s3c64xx/include/mach/timex.h deleted file mode 100644 index fb2e8cd..0000000 --- a/arch/arm/mach-s3c64xx/include/mach/timex.h +++ /dev/null @@ -1,24 +0,0 @@ -/* arch/arm/mach-s3c64xx/include/mach/timex.h - * - * Copyright (c) 2003-2005 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * S3C6400 - time parameters - * - * 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. -*/ - -#ifndef __ASM_ARCH_TIMEX_H -#define __ASM_ARCH_TIMEX_H - -/* CLOCK_TICK_RATE needs to be evaluatable by the cpp, so making it - * a variable is useless. It seems as long as we make our timers an - * exact multiple of HZ, any value that makes a 1->1 correspondence - * for the time conversion functions to/from jiffies is acceptable. -*/ - -#define CLOCK_TICK_RATE 12000000 - -#endif /* __ASM_ARCH_TIMEX_H */ diff --git a/arch/arm/mach-s5p64x0/include/mach/timex.h b/arch/arm/mach-s5p64x0/include/mach/timex.h deleted file mode 100644 index 4b91faa..0000000 --- a/arch/arm/mach-s5p64x0/include/mach/timex.h +++ /dev/null @@ -1,27 +0,0 @@ -/* linux/arch/arm/mach-s5p64x0/include/mach/timex.h - * - * Copyright (c) 2010 Samsung Electronics Co., Ltd. - * http://www.samsung.com - * - * Copyright (c) 2003-2005 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * S5P64X0 - time parameters - * - * 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. -*/ - -#ifndef __ASM_ARCH_TIMEX_H -#define __ASM_ARCH_TIMEX_H - -/* CLOCK_TICK_RATE needs to be evaluatable by the cpp, so making it - * a variable is useless. It seems as long as we make our timers an - * exact multiple of HZ, any value that makes a 1->1 correspondence - * for the time conversion functions to/from jiffies is acceptable. -*/ - -#define CLOCK_TICK_RATE 12000000 - -#endif /* __ASM_ARCH_TIMEX_H */ diff --git a/arch/arm/mach-s5pc100/include/mach/timex.h b/arch/arm/mach-s5pc100/include/mach/timex.h deleted file mode 100644 index 47ffb17..0000000 --- a/arch/arm/mach-s5pc100/include/mach/timex.h +++ /dev/null @@ -1,24 +0,0 @@ -/* arch/arm/mach-s5pc100/include/mach/timex.h - * - * Copyright (c) 2003-2005 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * S3C6400 - time parameters - * - * 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. -*/ - -#ifndef __ASM_ARCH_TIMEX_H -#define __ASM_ARCH_TIMEX_H - -/* CLOCK_TICK_RATE needs to be evaluatable by the cpp, so making it - * a variable is useless. It seems as long as we make our timers an - * exact multiple of HZ, any value that makes a 1->1 correspondence - * for the time conversion functions to/from jiffies is acceptable. -*/ - -#define CLOCK_TICK_RATE 12000000 - -#endif /* __ASM_ARCH_TIMEX_H */ diff --git a/arch/arm/mach-s5pv210/include/mach/timex.h b/arch/arm/mach-s5pv210/include/mach/timex.h deleted file mode 100644 index 73dc854..0000000 --- a/arch/arm/mach-s5pv210/include/mach/timex.h +++ /dev/null @@ -1,29 +0,0 @@ -/* linux/arch/arm/mach-s5pv210/include/mach/timex.h - * - * Copyright (c) 2003-2010 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * Copyright (c) 2010 Samsung Electronics Co., Ltd. - * http://www.samsung.com/ - * - * Based on arch/arm/mach-s5p6442/include/mach/timex.h - * - * S5PV210 - time parameters - * - * 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. -*/ - -#ifndef __ASM_ARCH_TIMEX_H -#define __ASM_ARCH_TIMEX_H __FILE__ - -/* CLOCK_TICK_RATE needs to be evaluatable by the cpp, so making it - * a variable is useless. It seems as long as we make our timers an - * exact multiple of HZ, any value that makes a 1->1 correspondence - * for the time conversion functions to/from jiffies is acceptable. -*/ - -#define CLOCK_TICK_RATE 12000000 - -#endif /* __ASM_ARCH_TIMEX_H */ diff --git a/arch/arm/mach-sa1100/include/mach/timex.h b/arch/arm/mach-sa1100/include/mach/timex.h deleted file mode 100644 index 7a5d017..0000000 --- a/arch/arm/mach-sa1100/include/mach/timex.h +++ /dev/null @@ -1,12 +0,0 @@ -/* - * arch/arm/mach-sa1100/include/mach/timex.h - * - * SA1100 architecture timex specifications - * - * Copyright (C) 1998 - */ - -/* - * SA1100 timer - */ -#define CLOCK_TICK_RATE 3686400 diff --git a/arch/arm/mach-sa1100/time.c b/arch/arm/mach-sa1100/time.c index 6fd4acb..7aaac00 100644 --- a/arch/arm/mach-sa1100/time.c +++ b/arch/arm/mach-sa1100/time.c @@ -9,6 +9,7 @@ * */ #include <linux/init.h> +#include <linux/kernel.h> #include <linux/errno.h> #include <linux/interrupt.h> #include <linux/irq.h> @@ -20,6 +21,9 @@ #include <mach/hardware.h> #include <mach/irqs.h> +#define SA1100_CLOCK_FREQ 3686400 +#define SA1100_LATCH DIV_ROUND_CLOSEST(SA1100_CLOCK_FREQ, HZ) + static u64 notrace sa1100_read_sched_clock(void) { return readl_relaxed(OSCR); @@ -93,7 +97,7 @@ static void sa1100_timer_resume(struct clock_event_device *cedev) /* * OSMR0 is the system timer: make sure OSCR is sufficiently behind */ - writel_relaxed(OSMR0 - LATCH, OSCR); + writel_relaxed(OSMR0 - SA1100_LATCH, OSCR); } #else #define sa1100_timer_suspend NULL @@ -128,7 +132,7 @@ void __init sa1100_timer_init(void) setup_irq(IRQ_OST0, &sa1100_timer_irq); - clocksource_mmio_init(OSCR, "oscr", CLOCK_TICK_RATE, 200, 32, + clocksource_mmio_init(OSCR, "oscr", SA1100_CLOCK_FREQ, 200, 32, clocksource_mmio_readl_up); clockevents_config_and_register(&ckevt_sa1100_osmr0, 3686400, MIN_OSCR_DELTA * 2, 0x7fffffff); diff --git a/arch/arm/mach-shmobile/include/mach/timex.h b/arch/arm/mach-shmobile/include/mach/timex.h deleted file mode 100644 index ae0d8d8..0000000 --- a/arch/arm/mach-shmobile/include/mach/timex.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_MACH_TIMEX_H -#define __ASM_MACH_TIMEX_H - -#define CLOCK_TICK_RATE 1193180 /* unused i8253 PIT value */ - -#endif /* __ASM_MACH_TIMEX_H */ diff --git a/arch/arm/mach-spear/include/mach/timex.h b/arch/arm/mach-spear/include/mach/timex.h deleted file mode 100644 index ef95e5b..0000000 --- a/arch/arm/mach-spear/include/mach/timex.h +++ /dev/null @@ -1,19 +0,0 @@ -/* - * arch/arm/plat-spear/include/plat/timex.h - * - * SPEAr platform specific timex definitions - * - * Copyright (C) 2009 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ - -#ifndef __PLAT_TIMEX_H -#define __PLAT_TIMEX_H - -#define CLOCK_TICK_RATE 48000000 - -#endif /* __PLAT_TIMEX_H */ diff --git a/arch/arm/mach-versatile/include/mach/timex.h b/arch/arm/mach-versatile/include/mach/timex.h deleted file mode 100644 index 426199b..0000000 --- a/arch/arm/mach-versatile/include/mach/timex.h +++ /dev/null @@ -1,23 +0,0 @@ -/* - * arch/arm/mach-versatile/include/mach/timex.h - * - * Versatile architecture timex specifications - * - * Copyright (C) 2003 ARM Limited - * - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#define CLOCK_TICK_RATE (50000000 / 16) diff --git a/arch/arm/mach-w90x900/include/mach/timex.h b/arch/arm/mach-w90x900/include/mach/timex.h deleted file mode 100644 index 164dce0..0000000 --- a/arch/arm/mach-w90x900/include/mach/timex.h +++ /dev/null @@ -1,25 +0,0 @@ -/* - * arch/arm/mach-w90x900/include/mach/timex.h - * - * Copyright (c) 2008 Nuvoton technology corporation - * All rights reserved. - * - * Wan ZongShun <mcuos.com@gmail.com> - * - * Based on arch/arm/mach-s3c2410/include/mach/timex.h - * - * 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 __ASM_ARCH_TIMEX_H -#define __ASM_ARCH_TIMEX_H - -/* CLOCK_TICK_RATE Now, I don't use it. */ - -#define CLOCK_TICK_RATE 15000000 - -#endif /* __ASM_ARCH_TIMEX_H */ diff --git a/arch/arm/plat-omap/include/plat/timex.h b/arch/arm/plat-omap/include/plat/timex.h deleted file mode 100644 index e27d2da..0000000 --- a/arch/arm/plat-omap/include/plat/timex.h +++ /dev/null @@ -1,33 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/timex.h - * - * Copyright (C) 2000 RidgeRun, Inc. - * Author: Greg Lonnon <glonnon@ridgerun.com> - * - * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * 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. - */ - -#if !defined(__ASM_ARCH_OMAP_TIMEX_H) -#define __ASM_ARCH_OMAP_TIMEX_H - -#define CLOCK_TICK_RATE (HZ * 100000UL) - -#endif /* __ASM_ARCH_OMAP_TIMEX_H */ |
