From f1ac922dec7ed36659344eadc65b9c06efe14d7f Mon Sep 17 00:00:00 2001 From: Stephen Warren Date: Mon, 11 Mar 2013 22:40:18 -0600 Subject: ARM: bcm2835: convert to multi-platform This allows BCM2835 be included in a kernel build that supports multiple SoCs at once, which is useful for distro kernels. This change: * Moves bcm2835's debug-macro.S into ARM's include/debug/, and hooks it into the relevant menu. * Moves bcm2835's Kconfig into its own directory, as seems typical for multi-platform conversions. * Removes bcm2835_soc.h, and moves the content to the files where it was used; just one usage per define. * Deletes some headers and Makefile.boot that aren't needed now that we support multi-platform. Signed-off-by: Stephen Warren Acked-by: Arnd Bergmann --- arch/arm/mach-bcm2835/Kconfig | 15 ++++++++ arch/arm/mach-bcm2835/Makefile.boot | 1 - arch/arm/mach-bcm2835/bcm2835.c | 6 ++-- arch/arm/mach-bcm2835/include/mach/bcm2835_soc.h | 29 ---------------- arch/arm/mach-bcm2835/include/mach/debug-macro.S | 21 ----------- arch/arm/mach-bcm2835/include/mach/gpio.h | 1 - arch/arm/mach-bcm2835/include/mach/timex.h | 26 -------------- arch/arm/mach-bcm2835/include/mach/uncompress.h | 44 ------------------------ 8 files changed, 19 insertions(+), 124 deletions(-) create mode 100644 arch/arm/mach-bcm2835/Kconfig delete mode 100644 arch/arm/mach-bcm2835/Makefile.boot delete mode 100644 arch/arm/mach-bcm2835/include/mach/bcm2835_soc.h delete mode 100644 arch/arm/mach-bcm2835/include/mach/debug-macro.S delete mode 100644 arch/arm/mach-bcm2835/include/mach/gpio.h delete mode 100644 arch/arm/mach-bcm2835/include/mach/timex.h delete mode 100644 arch/arm/mach-bcm2835/include/mach/uncompress.h (limited to 'arch/arm/mach-bcm2835') diff --git a/arch/arm/mach-bcm2835/Kconfig b/arch/arm/mach-bcm2835/Kconfig new file mode 100644 index 00000000000..560045cafc3 --- /dev/null +++ b/arch/arm/mach-bcm2835/Kconfig @@ -0,0 +1,15 @@ +config ARCH_BCM2835 + bool "Broadcom BCM2835 family" if ARCH_MULTI_V6 + select ARCH_REQUIRE_GPIOLIB + select ARM_AMBA + select ARM_ERRATA_411920 + select ARM_TIMER_SP804 + select CLKDEV_LOOKUP + select CLKSRC_OF + select CPU_V6 + select GENERIC_CLOCKEVENTS + select PINCTRL + select PINCTRL_BCM2835 + help + This enables support for the Broadcom BCM2835 SoC. This SoC is + use in the Raspberry Pi, and Roku 2 devices. 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 index 6f5785985dd..740fa9ebe24 100644 --- a/arch/arm/mach-bcm2835/bcm2835.c +++ b/arch/arm/mach-bcm2835/bcm2835.c @@ -23,8 +23,6 @@ #include #include -#include - #define PM_RSTC 0x1c #define PM_RSTS 0x20 #define PM_WDOG 0x24 @@ -34,6 +32,10 @@ #define PM_RSTC_WRCFG_FULL_RESET 0x00000020 #define PM_RSTS_HADWRH_SET 0x00000040 +#define BCM2835_PERIPH_PHYS 0x20000000 +#define BCM2835_PERIPH_VIRT 0xf0000000 +#define BCM2835_PERIPH_SIZE SZ_16M + static void __iomem *wdt_regs; /* 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 - -#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 - - .macro addruart, rp, rv, tmp - ldr \rp, =BCM2835_DEBUG_PHYS - ldr \rv, =BCM2835_DEBUG_VIRT - .endm - -#include 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 bf86dca3bf7..00000000000 --- a/arch/arm/mach-bcm2835/include/mach/uncompress.h +++ /dev/null @@ -1,44 +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 -#include -#include - -#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() -- cgit v1.2.3-70-g09d2