From mboxrd@z Thu Jan 1 00:00:00 1970 From: Icenowy Zheng Date: Wed, 7 Jun 2017 08:47:13 +0800 Subject: [U-Boot] [RFC PATCH 0/8] Allwinner A83T PSCI SMP support Message-ID: <20170607004721.24194-1-icenowy@aosc.io> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de This is an experimental support for the PSCI SMP bringup of the first cluster of Allwinner A83T SoC. It's based on some code by Timothy Pearson for A83T (already quite old) and Chen-Yu Tsai (which are originally for A80). In order to ensure the Linux kernel to work properly in SMP environment, some GIC workarounds implemented in [1] is needed. [1] https://github.com/wens/linux/commit/c48654c1f737116e7a7660183c8c74fa91970528 Chen-Yu Tsai (2): sunxi: Add CPUCFG register definitions for A80/A83T SoCs sunxi: Add basic PSCI implementation for multi-cluster SoCs Icenowy Zheng (4): sunxi: add configuration of secure SRAM for A83T sunxi: add SUNXI_R_CPUCFG_BASE for A83T SoC sunxi: add multi-cluster CPU PRCM register definition sunxi: enable PSCI for A83T SoC tpearson at raptorengineering.com (2): sun8i: Add TZPC setup for A83T sun8i: Add a macro to read the silicon revision arch/arm/cpu/armv7/sunxi/Makefile | 5 + arch/arm/cpu/armv7/sunxi/psci-mcpm.c | 258 +++++++++++++++++++++++++ arch/arm/cpu/armv7/sunxi/psci.c | 2 +- arch/arm/cpu/armv7/sunxi/tzpc.c | 10 + arch/arm/include/asm/arch-sunxi/cpu_sun4i.h | 9 + arch/arm/include/asm/arch-sunxi/cpucfg.h | 64 +----- arch/arm/include/asm/arch-sunxi/cpucfg_sun4i.h | 68 +++++++ arch/arm/include/asm/arch-sunxi/cpucfg_sun9i.h | 60 ++++++ arch/arm/include/asm/arch-sunxi/prcm.h | 8 +- arch/arm/include/asm/arch-sunxi/tzpc.h | 6 + arch/arm/mach-sunxi/Kconfig | 4 + arch/arm/mach-sunxi/board.c | 2 +- arch/arm/mach-sunxi/cpu_info.c | 2 +- include/configs/sun8i.h | 1 + 14 files changed, 434 insertions(+), 65 deletions(-) create mode 100644 arch/arm/cpu/armv7/sunxi/psci-mcpm.c create mode 100644 arch/arm/include/asm/arch-sunxi/cpucfg_sun4i.h create mode 100644 arch/arm/include/asm/arch-sunxi/cpucfg_sun9i.h -- 2.12.2