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* nios2: fix virt_to_phys for nios2 with MMUThomas Chou2015-10-23-1/+5
| | | | | | | | | As the virtual address and physical address mapping of nios2 with MMU are different. Add a check of MMU, and fix the mapping. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Acked-by: Marek Vasut <marex@denx.de> Reviewed-by: Ley Foon Tan <lftan@altera.com>
* nios2: add README.nios2Thomas Chou2015-10-23-0/+95
| | | | | | | Add README.nios2 about how to add nios2 boards to u-boot. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Acked-by: Marek Vasut <marex@denx.de>
* nios2: zap nios2-generic board dirThomas Chou2015-10-23-257/+23
| | | | | | | As we use device tree to control u-boot now, the generic board can be removed. Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
* nios2: convert dma_alloc_coherent to use malloc_cache_alignedThomas Chou2015-10-23-13/+14
| | | | | | | Convert dma_alloc_coherent to use memalign. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Reviewed-by: Marek Vasut <marex@denx.de>
* nios2: convert copy_exception_trampoline to use dm cpu dataThomas Chou2015-10-23-24/+25
| | | | | | Convert copy_exception_trampoline() to use dm cpu data. Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
* nios2: convert cache flush to use dm cpu dataThomas Chou2015-10-23-98/+133
| | | | | | | | | | | | | | | Convert cache flush to use dm cpu data. The original cache flush functions are written in assembly and use CONFIG_SYS_{I,D}CACHE_SIZE... macros. It is difficult to convert to use cache configuration in dm cpu data which is extracted from device tree. The cacheflush.c of Linux nios2 arch uses cpuinfo structure, which is very close to our dm cpu data. So we copy and modify it to arch/nios2/lib/cache.c to replace the old cache.S. Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
* nios2: set default cache configuration in start.SThomas Chou2015-10-23-7/+15
| | | | | | | | | | | | | | | | | | | Set default icache and dcache configuration for start.S. We want to remove the CONFIG_SYS_{I,D}CACHE_SIZE... configuration macros. As we are just barely starting from reset, there is no luxury of device tree. We will set some maximum cache configuration so that it will work for most configurations. This is used only in this start.S. The speed penalty is only once here. After start up, during board initialization, cpu information will be extracted from device tree. Then cache flush operations will have correct cache configurations. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Acked-by: Marek Vasut <marex@denx.de>
* nios2: zap initdramThomas Chou2015-10-23-5/+0
| | | | | | | Zap initdram(), as it is not used. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Acked-by: Marek Vasut <marex@denx.de>
* nios2: clean up comments style in start.SThomas Chou2015-10-23-31/+30
| | | | | | Clean up comments style in start.S. Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
* nios2: convert ioremap to use dm cpu dataThomas Chou2015-10-23-5/+2
| | | | | | | | | Convert ioremap() to use io_region_base in dm cpu global data. Also remove three unused io functions, which have style issue and are replaced by macros already. Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
* nios2: convert do_reset to use dm cpu dataThomas Chou2015-10-23-1/+1
| | | | | | | Convert do_reset to use dm cpu data. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Reviewed-by: Simon Glass <sjg@chromium.org>
* nios2: remove asm/psr.hThomas Chou2015-10-23-27/+0
| | | | | | | | Remove asm/psr.h, which is not used. Also clean up asm/sections.h and unaligned.h. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Reviewed-by: Marek Vasut <marex@denx.de>
* nios2: convert altera sysid to driver modelThomas Chou2015-10-23-60/+131
| | | | | | | | Convert altera sysid to driver model with misc uclass. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Acked-by: Chin Liang See <clsee@altera.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* dm: implement a Miscellaneous uclassThomas Chou2015-10-23-0/+141
| | | | | | | | | Implement a Miscellaneous uclass with generic read or write operations. This class is used only for those do not fit other more general classes. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Acked-by: Simon Glass <sjg@chromium.org>
* serial: remove altera serial initializationsThomas Chou2015-10-23-6/+0
| | | | | | | | | | Both altera_jtag_serial_initialize() and altera_serial_initialize() are no longer used after they are converted to driver model. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Acked-by: Simon Glass <sjg@chromium.org> Acked-by: Marek Vasut <marex@denx.de>
* nios2: convert altera timer to driver modelThomas Chou2015-10-23-73/+135
| | | | | | | Convert altera timer to driver model. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Acked-by: Chin Liang See <clsee@altera.com>
* timer: start a new timer after relocationThomas Chou2015-10-23-0/+3
| | | | | | | | Start a new timer after relocation, just in case the timer has been used in per-relocation. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Acked-by: Simon Glass <sjg@chromium.org>
* dm: implement a Timer uclassThomas Chou2015-10-23-0/+169
| | | | | | | Implement a Timer uclass to work with lib/time.c. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Acked-by: Simon Glass <sjg@chromium.org>
* nios2: convert nios2 cpu to driver modelThomas Chou2015-10-23-5/+154
| | | | | | | | | Convert nios2 cpu to driver model. The cpu parameters are extracted from device tree and saved to global data structure. We will use them to replace the custom_fpga.h . Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Reviewed-by: Simon Glass <sjg@chromium.org>
* nios2 : convert altera_pio to driver modelThomas Chou2015-10-23-351/+156
| | | | | | | | Convert altera_pio to driver model. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Acked-by: Chin Liang See <clsee@altera.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* nios2: add clear and set bits macrosThomas Chou2015-10-23-0/+55
| | | | | | | | | These macros can be used to clear and set multiple bits in a register using a single call. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Reviewed-by: Marek Vasut <marex@denx.de> Acked-by: Chin Liang See <clsee@altera.com>
* spi : convert altera_spi to driver modelThomas Chou2015-10-23-86/+123
| | | | | | | Convert altera_spi to driver model Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Reviewed-by: Jagan Teki <jteki@openedev.com>
* nios2: convert altera_uart to driver modelThomas Chou2015-10-23-99/+129
| | | | | | | | Convert altera_uart to driver model. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Reviewed-by: Simon Glass <sjg@chromium.org> Acked-by: Marek Vasut <marex@denx.de>
* nios2: convert altera_jtag_uart to driver modelThomas Chou2015-10-23-63/+145
| | | | | | | | Convert altera_jtag_uart to driver model. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Acked-by: Marek Vasut <marex@denx.de> Reviewed-by: Simon Glass <sjg@chromium.org>
* nios2: map physical address to uncached virtual addressThomas Chou2015-10-23-2/+7
| | | | | | | | | | | | | | | | | | Add ioremap() to map physical address to uncached virtual address. We need this to convert the reg address from the device tree. The order of headers inclusion in interrupts.c is changed because common.h will include board header that contains IO_REGION_BASE. In the future, the IO_REGION_BASE should be decided from the device tree. tree Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Acked-by: Marek Vasut <marex@denx.de> Reviewed-by: Simon Glass <sjg@chromium.org>
* nios2: enable malloc() pool before relocationThomas Chou2015-10-23-1/+0
| | | | | | | | Enable malloc() pool before relocation, because this is needed to use serial uclass. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Reviewed-by: Marek Vasut <marex@denx.de>
* nios2: call board_init_f_memThomas Chou2015-10-23-2/+10
| | | | | | | | | | We will need CONFIG_SYS_MALLOC_F_LEN to use serial uclass. So we shall undefine CONFIG_SYS_GENERIC_GLOBAL_DATA, and call board_init_f_mem() to allocates early malloc() memory with size of CONFIG_SYS_MALLOC_F_LEN in board_f.c. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Reviewed-by: Marek Vasut <marex@denx.de>
* nios2: zap version_stringThomas Chou2015-10-23-6/+0
| | | | | | | | There is a weak version_string[] at common/cmd_version.c . Remove the one in start.S. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Acked-by: Marek Vasut <marex@denx.de>
* nios2: zap dly_clksThomas Chou2015-10-23-33/+0
| | | | | | | | The dly_clks() in start.S is no use after switching to generic timer. Remove it. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Acked-by: Marek Vasut <marex@denx.de>
* nios2: Split timer code into timer.cThomas Chou2015-10-23-86/+68
| | | | | | | | Move the timer code from interrupts.c into timer.c . Eliminate the installation of timer interrupt handler, which is no longer used. Signed-off-by: Marek Vasut <marex@denx.de> Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
* nios2: Switch to generic timerThomas Chou2015-10-23-124/+42
| | | | | | | | Zap almost all of the ad-hoc timer code from interrupts.c and use the code in lib/time.c instead. Signed-off-by: Marek Vasut <marex@denx.de> Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
* nios2: enable Driver ModelThomas Chou2015-10-23-0/+2
| | | | | | | | Enable the Driver Model config. The driver subsystems are not enabled until we enable each of them. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Acked-by: Marek Vasut <marex@denx.de>
* nios2: enable device tree control of U-BootThomas Chou2015-10-23-0/+168
| | | | | | | | | This patch adds device tree control of U-Boot to nios2 boards. The example dts is taken from Linux kernel. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Reviewed-by: Simon Glass <sjg@chromium.org> Acked-by: Marek Vasut <marex@denx.de>
* nios2: define _end in link scriptThomas Chou2015-10-23-0/+6
| | | | | | | | | | | | | Since commit 44c6e6591cb451ae606f8bde71dd5fb7b4002544 "rename _end to __bss_end__" , the _end was removed. But we need it now for separated device tree control, ie, CONFIG_OF_SEPARATE . The _end is used by fdtdec_setup() to find the blob. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Acked-by: Marek Vasut <marex@denx.de> Reviewed-by: Simon Glass <sjg@chromium.org>
* nios2: remove gp assignments in link scriptThomas Chou2015-10-23-3/+5
| | | | | | | | | | | | | Since we don't use gp for small data with option "-G0", we use gp as global data pointer. The _gp location is not needed. The ALIGN(16) was for gp only. It is removed, so that we can get correct address of dtb in u-boot-dtb.bin image. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Reviewed-by: Simon Glass <sjg@chromium.org> Acked-by: Marek Vasut <marex@denx.de>
* nios2: enlarge the code relocation rangeThomas Chou2015-10-23-2/+3
| | | | | | | | | As we will use u-boot-dtb.bin, the code relocation range should be adjusted to accommodate the additional dtb. It might be overkilled to look into dtb header to find the dtb size, so we will simply use CONFIG_SYS_MONITOR_LEN. Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
* nios2: BSS should be cleared only after board_init_fThomas Chou2015-10-23-14/+16
| | | | | | | | | As dtb in u-boot-dtb.bin overlapped the BSS section, we should delay the clearing of BSS until dtb is relocated in board_init_f(). Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Acked-by: Marek Vasut <marex@denx.de>
* nios2: move altera_pio_init to board_early_init_rThomas Chou2015-10-23-4/+10
| | | | | | | | As altera_pio_init() uses BSS, it should be moved to board_early_init_r(). Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Acked-by: Marek Vasut <marex@denx.de>
* nios2: permit device tree control of U-BootThomas Chou2015-10-23-0/+1
| | | | | | | | | Enable this in the Kconfig so that nios2 boards can use device tree to configure U-Boot. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Reviewed-by: Simon Glass <sjg@chromium.org> Acked-by: Marek Vasut <marex@denx.de>
* nios2: enable CONFIG_NET_RANDOM_ETHADDRThomas Chou2015-10-23-0/+1
| | | | | | | | Enable CONFIG_NET_RANDOM_ETHADDR to generate a random MAC address when ETHADDR is not set. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Cc: Joe Hershberger <joe.hershberger@ni.com>
* nios2: move command line configuration to KconfigThomas Chou2015-10-23-8/+4
| | | | | | | | | | | This patch moves command line configuration from board header file to board defconfig in the way of Kconfig. The change passed savedefconfig. This fixes warnings such as : "CONFIG_SYS_HUSH_PARSER" redefined, when "Use hush shell" is selected with menuconfig, etc. Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
* ARM: AM335x: mux: change mmc0 cd pinmux from mmc0_sdcd to gpioMugunthan V N2015-10-22-1/+1
| | | | | | | | | | Currently omap_hsmmc driver doesn't use sdcd pin to detect whether the card is present or not. Instead the same pin is used as GPIO to detect card presence. So change the pin mux mode from mmc0_sdcd to gpio0_6. Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com> Reviewed-by: Tom Rini <trini@konsulko.com>
* drivers: gpio: omap: add support for parsing additional gpio parametersMugunthan V N2015-10-22-0/+11
| | | | | | | | | | | | | With DM_GPIO, gpio parameters like ACTIVE_(LOW/HIGH) are to be parsed in xlate gpio drivers-ops. Since xlate is not implemented in omap_gpio driver, the driver considers all gpio to be ACTIVE_HIGH which is the default case and fails to return actual gpio status for ACTIVE_LOW gpios. So adding .xlate ops to omap_gpio. Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com> Reviewed-by: Tom Rini <trini@konsulko.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* am437x: Add am57xx_evm_defconfig using CONFIG_DMMugunthan V N2015-10-22-0/+719
| | | | | | | | | Import various DT files for am57xx-beagle-x15 from Linux Kernel v4.2 Add config file for this board, enable DM, DM_GPIO, DM_SERIAL and DM_MMC. Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
* ti_omap5_common: mmc: do not define DM_MMC for splMugunthan V N2015-10-22-0/+8
| | | | | | | | | Since spl doesn't support DM currently, do not define DM_MMC for spl build. Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com> asdfsadf
* am437x: Add am437x_sk_evm_defconfig using CONFIG_DMMugunthan V N2015-10-22-1/+722
| | | | | | | | | Import various DT files for am437x-sk-evm from Linux Kernel v4.2 Add config file for this board, enable DM, DM_GPIO, DM_SERIAL and DM_MMC. Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com> Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
* am437x: Add am437x_gp_evm_defconfig using CONFIG_DMMugunthan V N2015-10-22-0/+2618
| | | | | | | | | | Import various DT files for am4372, an43xx pinctrl and am437x-gp-evm from Linux Kernel v4.2 Add config file for this board, enable DM, DM_GPIO, DM_SERIAL and DM_MMC. Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com> Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
* am43xx_evm: mmc: do not define DM_MMC for splMugunthan V N2015-10-22-0/+8
| | | | | | | Since spl doesn't support DM currently, do not define DM_MMC for spl build. Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
* am43xx_evm.h: : switch to CONFIG_OMAP_SERIAL for non-SPL DM_SERIALMugunthan V N2015-10-22-1/+5
| | | | | | Tested on am437x gp evm and am437x sk evm Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
* drivers: serial: serial_omap: add comaptibles for all ti platformsMugunthan V N2015-10-22-0/+4
| | | | | | | Adding compatibles for am335x, am437x and dra7 platforms. Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com> Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
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