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path: root/drivers/serial/serial_uniphier.c
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* treewide: replace #include <asm/errno.h> with <linux/errno.h>Masahiro Yamada2016-09-23-1/+1
| | | | | | | | | | | Now, arch/${ARCH}/include/asm/errno.h and include/linux/errno.h have the same content. (both just wrap <asm-generic/errno.h>) Replace all include directives for <asm/errno.h> with <linux/errno.h>. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> [trini: Fixup include/clk.] Signed-off-by: Tom Rini <trini@konsulko.com>
* ARM: uniphier: use (devm_)ioremap() instead of map_sysmem()Masahiro Yamada2016-07-24-11/+4
| | | | | | | | This does not have much impact on behavior, but makes code look more more like Linux. The use of devm_ioremap() often helps to delete .remove callbacks entirely. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
* serial: uniphier: use devm_get_addr() to get base addressMasahiro Yamada2016-04-01-3/+5
| | | | | | | | | Currently, fdtdec_get_addr_size() does not support the address translation, so it cannot handle device trees with non-straight "ranges" properties. (This would be a problem with DTS for UniPhier ARMv8 SoCs.) Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
* serial: uniphier: drop platform data supportMasahiro Yamada2015-08-31-26/+15
| | | | | | | | | | This driver is enabled only for UniPhier SoCs and ARCH_UNIPHIER now selects OF_CONTROL and SPL_OF_CONTROL. This driver no longer needs to support platform data configuration. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* of: clean up OF_CONTROL ifdef conditionalsMasahiro Yamada2015-08-18-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | We have flipped CONFIG_SPL_DISABLE_OF_CONTROL. We have cleansing devices, $(SPL_) and CONFIG_IS_ENABLED(), so we are ready to clear away the ugly logic in include/fdtdec.h: #ifdef CONFIG_OF_CONTROL # if defined(CONFIG_SPL_BUILD) && !defined(SPL_OF_CONTROL) # define OF_CONTROL 0 # else # define OF_CONTROL 1 # endif #else # define OF_CONTROL 0 #endif Now CONFIG_IS_ENABLED(OF_CONTROL) is the substitute. It refers to CONFIG_OF_CONTROL for U-boot proper and CONFIG_SPL_OF_CONTROL for SPL. Also, we no longer have to cancel CONFIG_OF_CONTROL in include/config_uncmd_spl.h and scripts/Makefile.spl. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Tom Rini <trini@konsulko.com> Reviewed-by: Simon Glass <sjg@chromium.org> Acked-by: Linus Walleij <linus.walleij@linaro.org>
* ARM: UniPhier: replace <asm/io.h> with <linux/io.h>Masahiro Yamada2015-05-31-4/+2
| | | | | | | In the Linux coding style, it is recommended to include <linux/io.h> rather than <asm/io.h>. Follow this trend. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
* common: Make sure arch-specific map_sysmem() is definedJoe Hershberger2015-04-18-0/+1
| | | | | | | | | | | In the case where the arch defines a custom map_sysmem(), make sure that including just mapmem.h is sufficient to have these functions as they are when the arch does not override it. Also split the non-arch specific functions out of common.h Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* ARM: UniPhier: adjust device trees for business transferMasahiro Yamada2015-03-15-3/+4
| | | | | | | Panasonic's System LSI products, UniPhier SoC family, have been transferred to Socionext Inc. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
* serial: UniPhier: move LCR register setting to probe functionMasahiro Yamada2015-03-01-9/+11
| | | | | | | We do not have to set the LCR register every time we change the baud-rate. We just need to set it up once in the probe function. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
* serial: UniPhier: use 32 bit register accessMasahiro Yamada2015-03-01-28/+26
| | | | | | | | For PH1-Pro4, the 8 bit write access to LCR register (offset = 0x11) is not working correctly. As a side effect, it also modifies MCR register (offset = 0x10) and results in unexpected behavior. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
* serial: UniPhier: support OF configurationMasahiro Yamada2014-11-28-8/+11
| | | | | | | This commit implements the ofdata_to_platdata handler for the UniPhier serial driver and adds serial device nodes to the device tree sources. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
* serial: UniPhier: borrow macros from linux/serial_reg.hMasahiro Yamada2014-11-12-13/+2
| | | | | | | | | The same bit-field macros are defined in include/linux/serial_reg.h so let's include it and delete duplicated defines. Also, remove unnecessary inclusion of <common.h>. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
* serial: UniPhier: add static to locally used functionsMasahiro Yamada2014-10-29-3/+3
| | | | Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
* serial: UniPhier: add .pending handlerMasahiro Yamada2014-10-29-0/+11
| | | | | | Without .pending handler, tstc() function always returns 1. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
* dm: serial: use Driver Model for UniPhier serial driverMasahiro Yamada2014-10-23-126/+73
| | | | | | | | | | | | | | | | | This commit converts UniPhier on-chip serial driver to driver model. Since UniPhier SoCs do not have Device Tree support, some board files should be added under arch/arm/cpu/armv7/uniphier/ph1-*/ directories. (Device Tree support for UniPhier platform is still under way.) Now the base address and master clock frequency are passed from platform data, so CONFIG_SYS_UNIPHIER_SERIAL_BASE* and CONFIG_SYS_UNIPHIER_UART_CLK should be removed. Tested on UniPhier PH1-LD4 ref board. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Acked-by: Simon Glass <sjg@chromium.org>
* serial: add UniPhier serial driverMasahiro Yamada2014-10-05-0/+204
The driver for on-chip UART used on Panasonic UniPhier platform. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
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