diff options
Diffstat (limited to 'arch/arm/mach-nomadik')
-rw-r--r-- | arch/arm/mach-nomadik/Kconfig | 17 | ||||
-rw-r--r-- | arch/arm/mach-nomadik/Makefile | 9 | ||||
-rw-r--r-- | arch/arm/mach-nomadik/gpio.c | 83 | ||||
-rw-r--r-- | arch/arm/mach-nomadik/include/mach/gpio.h | 26 | ||||
-rw-r--r-- | arch/arm/mach-nomadik/include/mach/mtu.h | 50 | ||||
-rw-r--r-- | arch/arm/mach-nomadik/reset.S | 14 | ||||
-rw-r--r-- | arch/arm/mach-nomadik/timer.c | 71 |
7 files changed, 0 insertions, 270 deletions
diff --git a/arch/arm/mach-nomadik/Kconfig b/arch/arm/mach-nomadik/Kconfig deleted file mode 100644 index ba72a4105d..0000000000 --- a/arch/arm/mach-nomadik/Kconfig +++ /dev/null @@ -1,17 +0,0 @@ -if ARCH_NOMADIK - -choice - prompt "Nomadik board select" - optional - -config NOMADIK_NHK8815 - bool "ST 8815 Nomadik Hardware Kit" - -endchoice - -config SYS_SOC - default "nomadik" - -source "board/st/nhk8815/Kconfig" - -endif diff --git a/arch/arm/mach-nomadik/Makefile b/arch/arm/mach-nomadik/Makefile deleted file mode 100644 index cdf1345d58..0000000000 --- a/arch/arm/mach-nomadik/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -# -# (C) Copyright 2000-2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# SPDX-License-Identifier: GPL-2.0+ -# - -obj-y = timer.o gpio.o -obj-y += reset.o diff --git a/arch/arm/mach-nomadik/gpio.c b/arch/arm/mach-nomadik/gpio.c deleted file mode 100644 index eff5b2b75e..0000000000 --- a/arch/arm/mach-nomadik/gpio.c +++ /dev/null @@ -1,83 +0,0 @@ -/* - * (C) Copyright 2009 Alessandro Rubini - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/gpio.h> - -static unsigned long gpio_base[4] = { - NOMADIK_GPIO0_BASE, - NOMADIK_GPIO1_BASE, - NOMADIK_GPIO2_BASE, - NOMADIK_GPIO3_BASE -}; - -enum gpio_registers { - GPIO_DAT = 0x00, /* data register */ - GPIO_DATS = 0x04, /* data set */ - GPIO_DATC = 0x08, /* data clear */ - GPIO_PDIS = 0x0c, /* pull disable */ - GPIO_DIR = 0x10, /* direction */ - GPIO_DIRS = 0x14, /* direction set */ - GPIO_DIRC = 0x18, /* direction clear */ - GPIO_AFSLA = 0x20, /* alternate function select A */ - GPIO_AFSLB = 0x24, /* alternate function select B */ -}; - -static inline unsigned long gpio_to_base(int gpio) -{ - return gpio_base[gpio / 32]; -} - -static inline u32 gpio_to_bit(int gpio) -{ - return 1 << (gpio & 0x1f); -} - -void nmk_gpio_af(int gpio, int alternate_function) -{ - unsigned long base = gpio_to_base(gpio); - u32 bit = gpio_to_bit(gpio); - u32 afunc, bfunc; - - /* alternate function is 0..3, with one bit per register */ - afunc = readl(base + GPIO_AFSLA) & ~bit; - bfunc = readl(base + GPIO_AFSLB) & ~bit; - if (alternate_function & 1) afunc |= bit; - if (alternate_function & 2) bfunc |= bit; - writel(afunc, base + GPIO_AFSLA); - writel(bfunc, base + GPIO_AFSLB); -} - -void nmk_gpio_dir(int gpio, int dir) -{ - unsigned long base = gpio_to_base(gpio); - u32 bit = gpio_to_bit(gpio); - - if (dir) - writel(bit, base + GPIO_DIRS); - else - writel(bit, base + GPIO_DIRC); -} - -void nmk_gpio_set(int gpio, int val) -{ - unsigned long base = gpio_to_base(gpio); - u32 bit = gpio_to_bit(gpio); - - if (val) - writel(bit, base + GPIO_DATS); - else - writel(bit, base + GPIO_DATC); -} - -int nmk_gpio_get(int gpio) -{ - unsigned long base = gpio_to_base(gpio); - u32 bit = gpio_to_bit(gpio); - - return readl(base + GPIO_DAT) & bit; -} diff --git a/arch/arm/mach-nomadik/include/mach/gpio.h b/arch/arm/mach-nomadik/include/mach/gpio.h deleted file mode 100644 index 311758ae1a..0000000000 --- a/arch/arm/mach-nomadik/include/mach/gpio.h +++ /dev/null @@ -1,26 +0,0 @@ -/* - * (C) Copyright 2009 Alessandro Rubini - * - * SPDX-License-Identifier: GPL-2.0+ - */ -#ifndef __NMK_GPIO_H__ -#define __NMK_GPIO_H__ - -/* - * These functions are called from the soft-i2c driver, but - * are also used by board files to set output bits. - */ - -enum nmk_af { /* alternate function settings */ - GPIO_GPIO = 0, - GPIO_ALT_A, - GPIO_ALT_B, - GPIO_ALT_C -}; - -extern void nmk_gpio_af(int gpio, int alternate_function); -extern void nmk_gpio_dir(int gpio, int dir); -extern void nmk_gpio_set(int gpio, int val); -extern int nmk_gpio_get(int gpio); - -#endif /* __NMK_GPIO_H__ */ diff --git a/arch/arm/mach-nomadik/include/mach/mtu.h b/arch/arm/mach-nomadik/include/mach/mtu.h deleted file mode 100644 index f89f242247..0000000000 --- a/arch/arm/mach-nomadik/include/mach/mtu.h +++ /dev/null @@ -1,50 +0,0 @@ -/* - * (C) Copyright 2009 Alessandro Rubini - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __ASM_ARCH_MTU_H -#define __ASM_ARCH_MTU_H - -/* - * The MTU device hosts four different counters, with 4 set of - * registers. These are register names. - */ - -#define MTU_IMSC 0x00 /* Interrupt mask set/clear */ -#define MTU_RIS 0x04 /* Raw interrupt status */ -#define MTU_MIS 0x08 /* Masked interrupt status */ -#define MTU_ICR 0x0C /* Interrupt clear register */ - -/* per-timer registers take 0..3 as argument */ -#define MTU_LR(x) (0x10 + 0x10 * (x) + 0x00) /* Load value */ -#define MTU_VAL(x) (0x10 + 0x10 * (x) + 0x04) /* Current value */ -#define MTU_CR(x) (0x10 + 0x10 * (x) + 0x08) /* Control reg */ -#define MTU_BGLR(x) (0x10 + 0x10 * (x) + 0x0c) /* At next overflow */ - -/* bits for the control register */ -#define MTU_CRn_ENA 0x80 -#define MTU_CRn_PERIODIC 0x40 /* if 0 = free-running */ -#define MTU_CRn_PRESCALE_MASK 0x0c -#define MTU_CRn_PRESCALE_1 0x00 -#define MTU_CRn_PRESCALE_16 0x04 -#define MTU_CRn_PRESCALE_256 0x08 -#define MTU_CRn_32BITS 0x02 -#define MTU_CRn_ONESHOT 0x01 /* if 0 = wraps reloading from BGLR*/ - -/* Other registers are usual amba/primecell registers, currently not used */ -#define MTU_ITCR 0xff0 -#define MTU_ITOP 0xff4 - -#define MTU_PERIPH_ID0 0xfe0 -#define MTU_PERIPH_ID1 0xfe4 -#define MTU_PERIPH_ID2 0xfe8 -#define MTU_PERIPH_ID3 0xfeC - -#define MTU_PCELL0 0xff0 -#define MTU_PCELL1 0xff4 -#define MTU_PCELL2 0xff8 -#define MTU_PCELL3 0xffC - -#endif /* __ASM_ARCH_MTU_H */ diff --git a/arch/arm/mach-nomadik/reset.S b/arch/arm/mach-nomadik/reset.S deleted file mode 100644 index ec954726ae..0000000000 --- a/arch/arm/mach-nomadik/reset.S +++ /dev/null @@ -1,14 +0,0 @@ -#include <config.h> -/* - * Processor reset for Nomadik - */ - - .align 5 -.globl reset_cpu -reset_cpu: - ldr r0, =NOMADIK_SRC_BASE /* System and Reset Controller */ - ldr r1, =0x1 - str r1, [r0, #0x18] - -_loop_forever: - b _loop_forever diff --git a/arch/arm/mach-nomadik/timer.c b/arch/arm/mach-nomadik/timer.c deleted file mode 100644 index 775d0b7488..0000000000 --- a/arch/arm/mach-nomadik/timer.c +++ /dev/null @@ -1,71 +0,0 @@ -/* - * (C) Copyright 2009 Alessandro Rubini - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/mtu.h> - -/* - * The timer is a decrementer, we'll left it free running at 2.4MHz. - * We have 2.4 ticks per microsecond and an overflow in almost 30min - */ -#define TIMER_CLOCK (24 * 100 * 1000) -#define COUNT_TO_USEC(x) ((x) * 5 / 12) /* overflows at 6min */ -#define USEC_TO_COUNT(x) ((x) * 12 / 5) /* overflows at 6min */ -#define TICKS_PER_HZ (TIMER_CLOCK / CONFIG_SYS_HZ) -#define TICKS_TO_HZ(x) ((x) / TICKS_PER_HZ) - -/* macro to read the decrementing 32 bit timer as an increasing count */ -#define READ_TIMER() (0 - readl(CONFIG_SYS_TIMERBASE + MTU_VAL(0))) - -/* Configure a free-running, auto-wrap counter with no prescaler */ -int timer_init(void) -{ - ulong val; - - writel(MTU_CRn_ENA | MTU_CRn_PRESCALE_1 | MTU_CRn_32BITS, - CONFIG_SYS_TIMERBASE + MTU_CR(0)); - - /* Reset the timer */ - writel(0, CONFIG_SYS_TIMERBASE + MTU_LR(0)); - /* - * The load-register isn't really immediate: it changes on clock - * edges, so we must wait for our newly-written value to appear. - * Since we might miss reading 0, wait for any change in value. - */ - val = READ_TIMER(); - while (READ_TIMER() == val) - ; - - return 0; -} - -/* Return how many HZ passed since "base" */ -ulong get_timer(ulong base) -{ - return TICKS_TO_HZ(READ_TIMER()) - base; -} - -/* Delay x useconds */ -void __udelay(unsigned long usec) -{ - ulong ini, end; - - ini = READ_TIMER(); - end = ini + USEC_TO_COUNT(usec); - while ((signed)(end - READ_TIMER()) > 0) - ; -} - -unsigned long long get_ticks(void) -{ - return get_timer(0); -} - -ulong get_tbclk(void) -{ - return CONFIG_SYS_HZ; -} |