diff options
Diffstat (limited to 'arch/arm/mach-bcm2835')
| -rw-r--r-- | arch/arm/mach-bcm2835/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-bcm2835/Makefile.boot | 1 | ||||
| -rw-r--r-- | arch/arm/mach-bcm2835/bcm2835.c | 110 | ||||
| -rw-r--r-- | arch/arm/mach-bcm2835/include/mach/bcm2835_soc.h | 29 | ||||
| -rw-r--r-- | arch/arm/mach-bcm2835/include/mach/debug-macro.S | 21 | ||||
| -rw-r--r-- | arch/arm/mach-bcm2835/include/mach/gpio.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-bcm2835/include/mach/timex.h | 26 | ||||
| -rw-r--r-- | arch/arm/mach-bcm2835/include/mach/uncompress.h | 45 |
8 files changed, 0 insertions, 234 deletions
diff --git a/arch/arm/mach-bcm2835/Makefile b/arch/arm/mach-bcm2835/Makefile deleted file mode 100644 index 4c3892fe02c..00000000000 --- a/arch/arm/mach-bcm2835/Makefile +++ /dev/null @@ -1 +0,0 @@ -obj-y += bcm2835.o diff --git a/arch/arm/mach-bcm2835/Makefile.boot b/arch/arm/mach-bcm2835/Makefile.boot deleted file mode 100644 index b3271754e9f..00000000000 --- a/arch/arm/mach-bcm2835/Makefile.boot +++ /dev/null @@ -1 +0,0 @@ -zreladdr-y := 0x00008000 diff --git a/arch/arm/mach-bcm2835/bcm2835.c b/arch/arm/mach-bcm2835/bcm2835.c deleted file mode 100644 index f0d739f4b7a..00000000000 --- a/arch/arm/mach-bcm2835/bcm2835.c +++ /dev/null @@ -1,110 +0,0 @@ -/* - * Copyright (C) 2010 Broadcom - * - * 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. - */ - -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/irqchip/bcm2835.h> -#include <linux/of_address.h> -#include <linux/of_platform.h> -#include <linux/bcm2835_timer.h> -#include <linux/clk/bcm2835.h> - -#include <asm/mach/arch.h> -#include <asm/mach/map.h> - -#include <mach/bcm2835_soc.h> - -#define PM_RSTC 0x1c -#define PM_WDOG 0x24 - -#define PM_PASSWORD 0x5a000000 -#define PM_RSTC_WRCFG_MASK 0x00000030 -#define PM_RSTC_WRCFG_FULL_RESET 0x00000020 - -static void __iomem *wdt_regs; - -/* - * The machine restart method can be called from an atomic context so we won't - * be able to ioremap the regs then. - */ -static void bcm2835_setup_restart(void) -{ - struct device_node *np = of_find_compatible_node(NULL, NULL, - "brcm,bcm2835-pm-wdt"); - if (WARN(!np, "unable to setup watchdog restart")) - return; - - wdt_regs = of_iomap(np, 0); - WARN(!wdt_regs, "failed to remap watchdog regs"); -} - -static void bcm2835_restart(char mode, const char *cmd) -{ - u32 val; - - if (!wdt_regs) - return; - - /* use a timeout of 10 ticks (~150us) */ - writel_relaxed(10 | PM_PASSWORD, wdt_regs + PM_WDOG); - val = readl_relaxed(wdt_regs + PM_RSTC); - val &= ~PM_RSTC_WRCFG_MASK; - val |= PM_PASSWORD | PM_RSTC_WRCFG_FULL_RESET; - writel_relaxed(val, wdt_regs + PM_RSTC); - - /* No sleeping, possibly atomic. */ - mdelay(1); -} - -static struct map_desc io_map __initdata = { - .virtual = BCM2835_PERIPH_VIRT, - .pfn = __phys_to_pfn(BCM2835_PERIPH_PHYS), - .length = BCM2835_PERIPH_SIZE, - .type = MT_DEVICE -}; - -static void __init bcm2835_map_io(void) -{ - iotable_init(&io_map, 1); -} - -static void __init bcm2835_init(void) -{ - int ret; - - bcm2835_setup_restart(); - bcm2835_init_clocks(); - - ret = of_platform_populate(NULL, of_default_bus_match_table, NULL, - NULL); - if (ret) { - pr_err("of_platform_populate failed: %d\n", ret); - BUG(); - } -} - -static const char * const bcm2835_compat[] = { - "brcm,bcm2835", - NULL -}; - -DT_MACHINE_START(BCM2835, "BCM2835") - .map_io = bcm2835_map_io, - .init_irq = bcm2835_init_irq, - .handle_irq = bcm2835_handle_irq, - .init_machine = bcm2835_init, - .timer = &bcm2835_timer, - .restart = bcm2835_restart, - .dt_compat = bcm2835_compat -MACHINE_END diff --git a/arch/arm/mach-bcm2835/include/mach/bcm2835_soc.h b/arch/arm/mach-bcm2835/include/mach/bcm2835_soc.h deleted file mode 100644 index d4dfcf7a9cd..00000000000 --- a/arch/arm/mach-bcm2835/include/mach/bcm2835_soc.h +++ /dev/null @@ -1,29 +0,0 @@ -/* - * Copyright (C) 2012 Stephen Warren - * - * Derived from code: - * Copyright (C) 2010 Broadcom - * - * 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 __MACH_BCM2835_BCM2835_SOC_H__ -#define __MACH_BCM2835_BCM2835_SOC_H__ - -#include <asm/sizes.h> - -#define BCM2835_PERIPH_PHYS 0x20000000 -#define BCM2835_PERIPH_VIRT 0xf0000000 -#define BCM2835_PERIPH_SIZE SZ_16M -#define BCM2835_DEBUG_PHYS 0x20201000 -#define BCM2835_DEBUG_VIRT 0xf0201000 - -#endif diff --git a/arch/arm/mach-bcm2835/include/mach/debug-macro.S b/arch/arm/mach-bcm2835/include/mach/debug-macro.S deleted file mode 100644 index 8a161e44ae2..00000000000 --- a/arch/arm/mach-bcm2835/include/mach/debug-macro.S +++ /dev/null @@ -1,21 +0,0 @@ -/* - * Debugging macro include header - * - * Copyright (C) 2010 Broadcom - * Copyright (C) 1994-1999 Russell King - * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks - * - * 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 <mach/bcm2835_soc.h> - - .macro addruart, rp, rv, tmp - ldr \rp, =BCM2835_DEBUG_PHYS - ldr \rv, =BCM2835_DEBUG_VIRT - .endm - -#include <asm/hardware/debug-pl01x.S> diff --git a/arch/arm/mach-bcm2835/include/mach/gpio.h b/arch/arm/mach-bcm2835/include/mach/gpio.h deleted file mode 100644 index 40a8c178f10..00000000000 --- a/arch/arm/mach-bcm2835/include/mach/gpio.h +++ /dev/null @@ -1 +0,0 @@ -/* empty */ diff --git a/arch/arm/mach-bcm2835/include/mach/timex.h b/arch/arm/mach-bcm2835/include/mach/timex.h deleted file mode 100644 index 6d021e136ae..00000000000 --- a/arch/arm/mach-bcm2835/include/mach/timex.h +++ /dev/null @@ -1,26 +0,0 @@ -/* - * BCM2835 system clock frequency - * - * Copyright (C) 2010 Broadcom - * - * 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 - -#define CLOCK_TICK_RATE (1000000) - -#endif diff --git a/arch/arm/mach-bcm2835/include/mach/uncompress.h b/arch/arm/mach-bcm2835/include/mach/uncompress.h deleted file mode 100644 index cc46dcc7237..00000000000 --- a/arch/arm/mach-bcm2835/include/mach/uncompress.h +++ /dev/null @@ -1,45 +0,0 @@ -/* - * Copyright (C) 2010 Broadcom - * 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. - */ - -#include <linux/io.h> -#include <linux/amba/serial.h> -#include <mach/bcm2835_soc.h> - -#define UART0_BASE BCM2835_DEBUG_PHYS - -#define BCM2835_UART_DR IOMEM(UART0_BASE + UART01x_DR) -#define BCM2835_UART_FR IOMEM(UART0_BASE + UART01x_FR) -#define BCM2835_UART_CR IOMEM(UART0_BASE + UART011_CR) - -static inline void putc(int c) -{ - while (__raw_readl(BCM2835_UART_FR) & UART01x_FR_TXFF) - barrier(); - - __raw_writel(c, BCM2835_UART_DR); -} - -static inline void flush(void) -{ - int fr; - - do { - fr = __raw_readl(BCM2835_UART_FR); - barrier(); - } while ((fr & (UART011_FR_TXFE | UART01x_FR_BUSY)) != UART011_FR_TXFE); -} - -#define arch_decomp_setup() -#define arch_decomp_wdog() |