On 23.09.2018 15:37, Daniel Schwierzeck wrote:
On 05.09.2018 15:12, Stefan Roese wrote:
This patch adds basic support for the MediaTek MT7620/88 SoCs. Parts of the code is copied from the MediaTek GitHub repository:
https://github.com/MediaTek-Labs/linkit-smart-uboot.git
The mt7628a.dtsi file is imported from Linux v4.17.
Support for the LinkIt Smart 7688 module and the Gardena Smart Gateway both based on the MT7688 will be added in further patches.
Signed-off-by: Stefan Roese sr@denx.de Cc: Daniel Schwierzeck daniel.schwierzeck@gmail.com
v4:
- Remove dead code from debug version in lowlevel_init
- Use sX registers now for real
- Increase cache line size in ddr_calibrate() to 128 as done in the original code
v3:
- Added dtsi file with this platforms support as suggested by Daniel
- Rebased on top of Daniels I-cache startup patches -> removed magic with KSEG0 call of ddr_calibrate. Its now called directly and the bootup is much faster
- Some improvements to print_cpuinfo(), use ioremap_nocache etc
- Added .set noreorder to lowlevel_init.S
- Multiple improvements to lowlevel_init.S as suggested by Daniel
v2:
Sort Kconfig symbols alphabetically
Use MIPS_TUNE_24KC
Use imply for SPI support
Dont' add LinkIt module support yet (is added with the board support)
Move SKIP_LOWLEVEL_INIT from Kconfig to config header
Use DT to get the base address of the system controller (for display_cpuinfo)
Remove _machine_restart - a separate driver is provided in a new patch
Remove cachop_op() and cal_invalidate_dcache_range and use the generic invalidate_dcache_range function instead
arch/mips/Kconfig | 16 ++ arch/mips/Makefile | 1 + arch/mips/dts/mt7628a.dtsi | 135 +++++++++++ arch/mips/mach-mt7620/Kconfig | 113 +++++++++ arch/mips/mach-mt7620/Makefile | 8 + arch/mips/mach-mt7620/cpu.c | 69 ++++++ arch/mips/mach-mt7620/ddr_calibrate.c | 308 ++++++++++++++++++++++++ arch/mips/mach-mt7620/lowlevel_init.S | 322 ++++++++++++++++++++++++++ arch/mips/mach-mt7620/mt76xx.h | 32 +++ 9 files changed, 1004 insertions(+) create mode 100644 arch/mips/dts/mt7628a.dtsi create mode 100644 arch/mips/mach-mt7620/Kconfig create mode 100644 arch/mips/mach-mt7620/Makefile create mode 100644 arch/mips/mach-mt7620/cpu.c create mode 100644 arch/mips/mach-mt7620/ddr_calibrate.c create mode 100644 arch/mips/mach-mt7620/lowlevel_init.S create mode 100644 arch/mips/mach-mt7620/mt76xx.h
applied to u-boot-mips, thanks.
Stefan, because CONFIG_NR_DRAM_BANKS was converted to Kconfig in mainline, I needed to run moveconfig.py on your patch series. I committed all changes on the defconfig files which removes things like your SPI driver and SPI-NAND support. I think a "make savedefconfig" should always produce the same result. You should send follow-up patches to enable those features after they are merged to mainline.
Yes, will do in a few days. Most likely I will wait until the SPI changes are in mainline as well (MT7621 SPI driver and SPI NAND infrastructure).
Thanks, Stefan