From mboxrd@z Thu Jan 1 00:00:00 1970 From: Max Filippov Date: Tue, 2 Sep 2014 00:16:22 +0400 Subject: [U-Boot] [PATCH 6/8] xtensa: add support for the xtensa processor architecture [2/2] In-Reply-To: References: <1408556533-22433-1-git-send-email-jcmvbkbc@gmail.com> <1408556533-22433-7-git-send-email-jcmvbkbc@gmail.com> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Simon, On Mon, Sep 1, 2014 at 9:02 AM, Simon Glass wrote: > Hi Max, > > On 20 August 2014 10:42, Max Filippov wrote: >> From: Chris Zankel >> >> The Xtensa processor architecture is a configurable, extensible, >> and synthesizable 32-bit RISC processor core provided by Tensilica, inc. >> >> This is the second part of the basic architecture port, adding the >> 'arch/xtensa' directory and a readme file. >> >> Signed-off-by: Chris Zankel >> Signed-off-by: Max Filippov >> --- >> arch/Kconfig | 4 + >> arch/xtensa/Kconfig | 26 ++ >> arch/xtensa/config.mk | 13 + >> arch/xtensa/cpu/.gitignore | 1 + >> arch/xtensa/cpu/Makefile | 13 + >> arch/xtensa/cpu/config.mk | 9 + >> arch/xtensa/cpu/cpu.c | 84 +++++ >> arch/xtensa/cpu/exceptions.c | 67 ++++ >> arch/xtensa/cpu/start.S | 672 ++++++++++++++++++++++++++++++++++ >> arch/xtensa/cpu/u-boot.lds.S | 107 ++++++ >> arch/xtensa/include/asm/addrspace.h | 43 +++ >> arch/xtensa/include/asm/asmmacro.h | 136 +++++++ >> arch/xtensa/include/asm/bitops.h | 14 + >> arch/xtensa/include/asm/bootparam.h | 54 +++ >> arch/xtensa/include/asm/byteorder.h | 81 ++++ >> arch/xtensa/include/asm/cache.h | 20 + >> arch/xtensa/include/asm/cacheasm.h | 187 ++++++++++ >> arch/xtensa/include/asm/config.h | 17 + >> arch/xtensa/include/asm/errno.h | 1 + >> arch/xtensa/include/asm/global_data.h | 24 ++ >> arch/xtensa/include/asm/io.h | 148 ++++++++ >> arch/xtensa/include/asm/ldscript.h | 220 +++++++++++ >> arch/xtensa/include/asm/linkage.h | 4 + >> arch/xtensa/include/asm/misc.h | 24 ++ >> arch/xtensa/include/asm/posix_types.h | 74 ++++ >> arch/xtensa/include/asm/processor.h | 11 + >> arch/xtensa/include/asm/ptrace.h | 133 +++++++ >> arch/xtensa/include/asm/regs.h | 95 +++++ >> arch/xtensa/include/asm/sections.h | 15 + >> arch/xtensa/include/asm/string.h | 10 + >> arch/xtensa/include/asm/types.h | 60 +++ >> arch/xtensa/include/asm/u-boot.h | 43 +++ >> arch/xtensa/include/asm/unaligned.h | 6 + >> arch/xtensa/include/asm/xtensa.h | 36 ++ >> arch/xtensa/lib/Makefile | 9 + >> arch/xtensa/lib/board.c | 173 +++++++++ >> arch/xtensa/lib/bootm.c | 202 ++++++++++ >> arch/xtensa/lib/misc.S | 178 +++++++++ >> arch/xtensa/lib/time.c | 111 ++++++ >> 39 files changed, 3125 insertions(+) >> create mode 100644 arch/xtensa/Kconfig >> create mode 100644 arch/xtensa/config.mk >> create mode 100644 arch/xtensa/cpu/.gitignore >> create mode 100644 arch/xtensa/cpu/Makefile >> create mode 100644 arch/xtensa/cpu/config.mk >> create mode 100644 arch/xtensa/cpu/cpu.c >> create mode 100644 arch/xtensa/cpu/exceptions.c >> create mode 100644 arch/xtensa/cpu/start.S >> create mode 100644 arch/xtensa/cpu/u-boot.lds.S >> create mode 100644 arch/xtensa/include/asm/addrspace.h >> create mode 100644 arch/xtensa/include/asm/asmmacro.h >> create mode 100644 arch/xtensa/include/asm/bitops.h >> create mode 100644 arch/xtensa/include/asm/bootparam.h >> create mode 100644 arch/xtensa/include/asm/byteorder.h >> create mode 100644 arch/xtensa/include/asm/cache.h >> create mode 100644 arch/xtensa/include/asm/cacheasm.h >> create mode 100644 arch/xtensa/include/asm/config.h >> create mode 100644 arch/xtensa/include/asm/errno.h >> create mode 100644 arch/xtensa/include/asm/global_data.h >> create mode 100644 arch/xtensa/include/asm/io.h >> create mode 100644 arch/xtensa/include/asm/ldscript.h >> create mode 100644 arch/xtensa/include/asm/linkage.h >> create mode 100644 arch/xtensa/include/asm/misc.h >> create mode 100644 arch/xtensa/include/asm/posix_types.h >> create mode 100644 arch/xtensa/include/asm/processor.h >> create mode 100644 arch/xtensa/include/asm/ptrace.h >> create mode 100644 arch/xtensa/include/asm/regs.h >> create mode 100644 arch/xtensa/include/asm/sections.h >> create mode 100644 arch/xtensa/include/asm/string.h >> create mode 100644 arch/xtensa/include/asm/types.h >> create mode 100644 arch/xtensa/include/asm/u-boot.h >> create mode 100644 arch/xtensa/include/asm/unaligned.h >> create mode 100644 arch/xtensa/include/asm/xtensa.h >> create mode 100644 arch/xtensa/lib/Makefile >> create mode 100644 arch/xtensa/lib/board.c >> create mode 100644 arch/xtensa/lib/bootm.c >> create mode 100644 arch/xtensa/lib/misc.S >> create mode 100644 arch/xtensa/lib/time.c > > This all looks quite tidy, from a brief look. Thanks for your feedback. > But please make sure you use generic board - CONFIG_SYS_GENERIC_BOARD. > You should not need a board.c file. Will fix. > Also for your do_bootm_linux() implementation, see if you can check > the flags, and thus support the bootm sub-commands. Ok. > If you have a microsecond timer, you could implement timer_get_us(). Ok, will add. -- Thanks. -- Max