From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-ee0-x236.google.com ([2a00:1450:4013:c00::236]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WeLQx-0007sE-DF for barebox@lists.infradead.org; Sun, 27 Apr 2014 09:31:40 +0000 Received: by mail-ee0-f54.google.com with SMTP id d49so3944265eek.13 for ; Sun, 27 Apr 2014 02:31:11 -0700 (PDT) From: Beniamino Galvani Date: Sun, 27 Apr 2014 11:30:36 +0200 Message-Id: <1398591044-3616-4-git-send-email-b.galvani@gmail.com> In-Reply-To: <1398591044-3616-1-git-send-email-b.galvani@gmail.com> References: <1398591044-3616-1-git-send-email-b.galvani@gmail.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 03/11] ARM: add basic support for Rockchip SoCs To: barebox@lists.infradead.org This patch adds a basic support for the ARM-based Rockchip SoCs of the RK3xxx family. Signed-off-by: Beniamino Galvani --- arch/arm/Kconfig | 6 +++++ arch/arm/Makefile | 1 + arch/arm/mach-rockchip/Kconfig | 7 +++++ arch/arm/mach-rockchip/Makefile | 1 + arch/arm/mach-rockchip/core.c | 28 ++++++++++++++++++++ .../arm/mach-rockchip/include/mach/rockchip-regs.h | 25 +++++++++++++++++ 6 files changed, 68 insertions(+) create mode 100644 arch/arm/mach-rockchip/Kconfig create mode 100644 arch/arm/mach-rockchip/Makefile create mode 100644 arch/arm/mach-rockchip/core.c create mode 100644 arch/arm/mach-rockchip/include/mach/rockchip-regs.h diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 3754646..a7db86c 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -125,6 +125,11 @@ config ARCH_PXA select GENERIC_GPIO select HAS_POWEROFF +config ARCH_ROCKCHIP + bool "Rockchip RX3xxx" + select CPU_V7 + select ARM_SMP_TWD + config ARCH_SOCFPGA bool "Altera SOCFPGA cyclone5" select HAS_DEBUG_LL @@ -204,6 +209,7 @@ source arch/arm/mach-netx/Kconfig source arch/arm/mach-nomadik/Kconfig source arch/arm/mach-omap/Kconfig source arch/arm/mach-pxa/Kconfig +source arch/arm/mach-rockchip/Kconfig source arch/arm/mach-samsung/Kconfig source arch/arm/mach-socfpga/Kconfig source arch/arm/mach-versatile/Kconfig diff --git a/arch/arm/Makefile b/arch/arm/Makefile index c1bd836..3312a49 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -64,6 +64,7 @@ machine-$(CONFIG_ARCH_NOMADIK) := nomadik machine-$(CONFIG_ARCH_NETX) := netx machine-$(CONFIG_ARCH_OMAP) := omap machine-$(CONFIG_ARCH_PXA) := pxa +machine-$(CONFIG_ARCH_ROCKCHIP) := rockchip machine-$(CONFIG_ARCH_SAMSUNG) := samsung machine-$(CONFIG_ARCH_SOCFPGA) := socfpga machine-$(CONFIG_ARCH_VERSATILE) := versatile diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig new file mode 100644 index 0000000..dfaf146 --- /dev/null +++ b/arch/arm/mach-rockchip/Kconfig @@ -0,0 +1,7 @@ +if ARCH_ROCKCHIP + +config ARCH_TEXT_BASE + hex + default 0x68000000 + +endif diff --git a/arch/arm/mach-rockchip/Makefile b/arch/arm/mach-rockchip/Makefile new file mode 100644 index 0000000..820eb10 --- /dev/null +++ b/arch/arm/mach-rockchip/Makefile @@ -0,0 +1 @@ +obj-y += core.o diff --git a/arch/arm/mach-rockchip/core.c b/arch/arm/mach-rockchip/core.c new file mode 100644 index 0000000..bab06df --- /dev/null +++ b/arch/arm/mach-rockchip/core.c @@ -0,0 +1,28 @@ +/* + * Copyright (C) 2014 Beniamino Galvani + * + * 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. + */ + +#include +#include +#include + +void __noreturn reset_cpu(unsigned long addr) +{ + /* Map bootrom from address 0 */ + writel(RK_SOC_CON0_REMAP << 16, RK_GRF_BASE + RK_GRF_SOC_CON0); + /* Reset */ + writel(0xeca8, RK_CRU_BASE + RK_CRU_GLB_SRST_SND); + + while (1) + ; +} +EXPORT_SYMBOL(reset_cpu); diff --git a/arch/arm/mach-rockchip/include/mach/rockchip-regs.h b/arch/arm/mach-rockchip/include/mach/rockchip-regs.h new file mode 100644 index 0000000..a6a1c64 --- /dev/null +++ b/arch/arm/mach-rockchip/include/mach/rockchip-regs.h @@ -0,0 +1,25 @@ +/* + * Copyright (C) 2014 Beniamino Galvani + * + * 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. + */ + +#ifndef __MACH_ROCKCHIP_REGS_H +#define __MACH_ROCKCHIP_REGS_H + +#define RK_CRU_BASE 0x20000000 +#define RK_GRF_BASE 0x20008000 + +#define RK_CRU_GLB_SRST_SND 0x0104 +#define RK_GRF_SOC_CON0 0x00a0 + +#define RK_SOC_CON0_REMAP (1 << 12) + +#endif /* __MACH_ROCKCHIP_REGS_H */ -- 1.7.10.4 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox