Commit graph

376 commits

Author SHA1 Message Date
Heiko Schocher
92a3188d7d bitops: introduce BIT() definition
introduce BIT() definition, used in at91_udc gadget
driver.

Signed-off-by: Heiko Schocher <hs@denx.de>
[remove all other occurrences of BIT(x) definition]
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
Acked-by: Stefan Roese <sr@denx.de>
Acked-by: Anatolij Gustschin <agust@denx.de>
2015-09-11 17:15:32 -04:00
Simon Glass
cf92e05c01 Move ALLOC_CACHE_ALIGN_BUFFER() to the new memalign.h header
Now that we have a new header file for cache-aligned allocation, we should
move the stack-based allocation macro there also.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-09-11 17:15:20 -04:00
Simon Glass
1b2fd5bf4e rockchip: Add SPI driver
Add a SPI driver for the Rockchip RK3288, using driver model. It should work
for other Rockchip SoCs also.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-09-02 21:28:24 -06:00
Simon Glass
4e9838c102 dm: Use dev_get_addr() where possible
This is a convenient way for a driver to get the hardware address of a
device, when regmap or syscon are not being used. Change existing callers
to use it as an example to others.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Joe Hershberger <joe.hershberger@ni.com>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
2015-08-31 07:57:26 -06:00
Tom Rini
952bd79b53 Merge branch 'master' of git://git.denx.de/u-boot-spi 2015-08-18 08:25:24 -04:00
Vignesh R
8ddd9c485f spi: ti_qspi: Use DMA to read from qspi flash
ti_qspi uses memory map mode for faster read. Enabling DMA will increase
read speed by 3x @48MHz on DRA74 EVM.

Signed-off-by: Vignesh R <vigneshr@ti.com>
Reviewed-by: Jagan Teki <jteki@openedev.com>
2015-08-17 23:29:15 +05:30
vishalm@ti.com
a39cfe717c ti: qspi: set flash quad bit based on quad support flag
Update op_mode_rx flag based on CONFIG_QSPI_QUAD_SUPPORT flag,
instead of platform.

Signed-off-by: Vishal Mahaveer <vishalm@ti.com>
Reviewed-by: Jagan Teki <jteki@openedev.com>
2015-08-17 23:29:14 +05:30
Thomas Abraham
77b55e8cfc ARM: exynos: move SoC sources to mach-exynos
Move arch/arm/cpu/armv7/exynos/* to arch/arm/mach-exynos/* to allow
reuse of existing code for ARMv8 based Exynos platforms.

Cc: Minkyu Kang <mk7.kang@samsung.com>
Cc: Albert Aribaud <albert.u.boot@aribaud.net>
Cc: Masahiro Yamada <yamada.m@jp.panasonic.com>
Signed-off-by: Thomas Abraham <thomas.ab@samsung.com>
Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Tested-by: Przemyslaw Marczak <p.marczak@samsung.com>
Acked-by: Przemyslaw Marczak <p.marczak@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
2015-08-17 13:06:52 +09:00
Nikita Kiryanov
2ff97625cb spi: omap3_spi: add am43xx support to omap3_spi
Add support for AM43XX to the omap3_spi driver.

Cc: Jagan Teki <jteki@openedev.com>
Cc: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Reviewed-by: Jagan Teki <jteki@openedev.com>
2015-08-12 20:48:02 -04:00
York Sun
fdb9f349be lib/fdtdec: Fix compiling warning caused by changing fdt_addr_t type
fdt_addr_t is changed to phys_addr_t. The format in debug should be updated
to %pa to match the type.

Signed-off-by: York Sun <yorksun@freescale.com>
CC: Simon Glass <sjg@chromium.org>
2015-08-06 07:31:13 -06:00
Simon Glass
c7d50e7fb9 exynos: spi: Convert the timeout to debug()
Since the timeout is reported through normal channels, and is sometimes
expected (e.g. if the bus is being probed for a non-existent device),
don't display the message in the driver.

In general, drivers should not write to the console as this limits their
usefulness in error conditions.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-08-05 21:06:14 -06:00
Michal Simek
80fd9792f5 spi: zynq_spi: Simplify debug macro
Trivial fix.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2015-07-28 11:56:28 +02:00
Michal Simek
40b383fa84 spi: Fix zynq SPI binding
Zynq is using Cadence IP where binding is documented in the Linux kernel
and there is no reason to use different binding.
Synchronize it.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2015-07-28 11:56:22 +02:00
Simon Glass
6f849c3012 dm: spi: Make local functions static
Several functions in this file should be marked as static. Update them.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:27 -06:00
Haikun Wang
b1d9e46a0b fdt: armv8: Fix build warnings on armv8
Fix below build warnings on armv8,
drivers/spi/fsl_dspi.c: In function ‘fsl_dspi_ofdata_to_platdata’:
drivers/spi/fsl_dspi.c:667:2:
warning: format ‘%x’ expects argument of type ‘unsigned int’,
	but argument 2 has type ‘fdt_addr_t’ [-Wformat=]
debug("DSPI: regs=0x%x, max-frequency=%d, endianess=%s, num-cs=%d\n",
		    ^
lib/fdtdec.c: In function ‘fdtdec_get_addr_size’:
lib/fdtdec.c:105:4:
warning: format ‘%lx’ expects argument of type ‘long unsigned int’,
but argument 3 has type ‘fdt_size_t’ [-Wformat=]
debug("addr=%08lx, size=%08lx\n",
			    ^

Signed-off-by: Haikun Wang <haikun.wang@freescale.com>
Acked-by: Simon Glass <sjg@chromium.org>
2015-07-20 07:21:47 -06:00
Tom Rini
605e15db2b Merge git://git.denx.de/u-boot-x86 2015-07-15 10:41:20 -04:00
Simon Glass
5078792807 dm: spi: Correct BIOS protection logic for ICH9
The logic is incorrect and currently has no effect. Fix it so that we can
write to SPI flash, since by default it is write-protected.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Andrew Bradford <andrew.bradford@kodakalaris.com>
2015-07-14 18:03:19 -06:00
Simon Glass
e1e332c8f2 dm: spi: Correct status register access width
The status register on ICH9 is a single byte, so use byte access when
writing to it, to avoid updating the control register also.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Jagan Teki <jteki@openedev.com>
2015-07-14 18:03:19 -06:00
Simon Glass
5d4a757ca5 dm: spi: Correct minor nits in ICH driver
Tidy up three minor problems in this file.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Jagan Teki <jteki@openedev.com>
2015-07-14 18:03:15 -06:00
Vikas Manocha
70bb2b1415 spi: cadence_qspi: support FIFO width other than 4 bytes
This patch makes the code compatible with FIFO depths other than 4
bytes. It also simplify read/write FIFO loops.

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
Tested-by: Stefan Roese <sr@denx.de>
Reviewed-by: Jagannadh Teki <jteki@openedev.com>
2015-07-03 13:50:53 +05:30
Vikas Manocha
90a2f71711 spi: cadence_qspi: get sram size from device tree
sram size could be different on different socs, e.g. on stv0991 it is 256 while
on altera platform it is 128. It is better to receive it from device tree.

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
Tested-by: Stefan Roese <sr@denx.de>
Reviewed-by: Jagannadh Teki <jteki@openedev.com>
2015-07-03 13:50:53 +05:30
Vikas Manocha
c0535c0ef0 spi: cadence_qspi: move the sram partition in init
There is no need to re-configure sram partition for every read/write for
better full use of sram for read or write. This patch divides the half
sram for read & half for write once at initialization.

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
Tested-by: Stefan Roese <sr@denx.de>
Reviewed-by: Jagannadh Teki <jteki@openedev.com>
2015-07-03 13:50:53 +05:30
Angelo Dureghello
8aa5f1d971 spi: cf_qspi: fix clamp macro type check compilation warnings
Fix compilation warnings for redefined 'clamp' macro and non-uniform
clamp macro types.

Signed-off-by: Angelo Dureghello <angelo@sysam.it>
Reviewed-by: Jagannadh Teki <jteki@openedev.com>
2015-07-01 22:58:50 +05:30
Jagan Teki
4495830c58 spi: Kconfig: Add TEGRA20_SLINK entry
Added TEGRA20_SLINK entry on Kconfig with help description.

Signed-off-by: Jagan Teki <jteki@openedev.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Cc: Tom Warren <twarren@nvidia.com>
Cc: Stephen Warren <swarren@nvidia.com>
2015-07-01 21:39:05 +05:30
Jagan Teki
2f3e6f8cc1 spi: Kconfig: Add TEGRA20_SFLASH entry
Added TEGRA20_SFLASH entry on Kconfig with help description.

Signed-off-by: Jagan Teki <jteki@openedev.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Cc: Tom Warren <twarren@nvidia.com>
Cc: Stephen Warren <swarren@nvidia.com>
2015-07-01 21:39:05 +05:30
Jagan Teki
5bf9a2d3dd spi: Kconfig: Add TEGRA114_SPI entry
Added TEGRA114_SPI entry on Kconfig with help description.

Signed-off-by: Jagan Teki <jteki@openedev.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Cc: Tom Warren <twarren@nvidia.com>
Cc: Stephen Warren <swarren@nvidia.com>
2015-07-01 21:39:05 +05:30
Jagan Teki
456360102c spi: Kconfig: Add ICH_SPI entry
Added ICH_SPI entry on Kconfig with help description.

Signed-off-by: Jagan Teki <jteki@openedev.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2015-07-01 21:39:05 +05:30
Jagan Teki
c354eee8d0 spi: Kconfig: Add EXYNOS_SPI entry
Added EXYNOS_SPI entry on Kconfig with help description.

Signed-off-by: Jagan Teki <jteki@openedev.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2015-07-01 21:39:05 +05:30
Jagan Teki
91c22d046c spi: Kconfig: Add FSL_QSPI entry
Added FSL_QSPI entry on Kconfig with help description.

Signed-off-by: Jagan Teki <jteki@openedev.com>
Cc: Peng Fan <Peng.Fan@freescale.com>
Cc: Haikun Wang <haikun.wang@freescale.com>
2015-07-01 21:39:04 +05:30
Jagan Teki
3debffa704 spi: Kconfig: Add FSL_ESPI entry
Added FSL_ESPI entry on Kconfig with help description.

Signed-off-by: Jagan Teki <jteki@openedev.com>
Cc: Haikun Wang <haikun.wang@freescale.com>
2015-07-01 21:39:04 +05:30
Jagan Teki
94ea308d75 spi: Kconfig: Add FSL_DSPI entry
Added FSL_DSPI entry on Kconfig with help description.

Signed-off-by: Jagan Teki <jteki@openedev.com>
Cc: Haikun Wang <haikun.wang@freescale.com>
2015-07-01 21:39:04 +05:30
Jagan Teki
e4976af865 spi: Kconfig: Show dm-spi drivers if DM_SPI set
DM supported spi drivers are enbled only when DM_SPI enabled,
so added DM_SPI if condition in Kconfig to show thoese only
when it enabled.

Also re-order the config items as incresing alphabetic order.

Signed-off-by: Jagan Teki <jteki@openedev.com>
2015-07-01 21:39:04 +05:30
Jagan Teki
1360004233 spi: Makefile: Use object file alphabetic order
Use object files as incresing alphabetic order, so-that it's
easy for readability.

Signed-off-by: Jagan Teki <jteki@openedev.com>
2015-07-01 21:39:04 +05:30
Jagan Teki
f924a20908 spi: Kconfig: Add TI_QSPI entry
Added TI_QSPI entry on Kconfig with help description.

Signed-off-by: Jagan Teki <jteki@openedev.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
2015-07-01 21:39:04 +05:30
Jagan Teki
075143d3cf spi: Kconfig: Add XILINX_SPI entry
Added XILINX_SPI entry on Kconfig with help description.

Signed-off-by: Jagan Teki <jteki@openedev.com>
Cc: Michal Simek <michal.simek@xilinx.com>
2015-07-01 21:39:03 +05:30
Jagan Teki
de8230535b spi: Add Kconfig menu entry
Added Kconfig menu ... endmenu enties for spi support.

Signed-off-by: Jagan Teki <jteki@openedev.com>
2015-07-01 21:39:03 +05:30
Jagan Teki
df30a425bb spi: Kconfig: Add Zynq SPI controller entry
Add Zynq SPI controller Kconfig entry.

Signed-off-by: Jagan Teki <jteki@openedev.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Cc: Marek Vasut <marex@denx.de>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
2015-07-01 21:15:03 +05:30
Jagan Teki
5f24d123c8 spi: xilinx_spi: Add asm/io.h include file
This patch includes asm/io.h for readl and writel calls.

build errors:
drivers/spi/xilinx_spi.c: In function 'xilinx_spi_probe':
drivers/spi/xilinx_spi.c:119:2: warning: implicit declaration of function 'writel' [-Wimplicit-function-declaration]
drivers/spi/xilinx_spi.c: In function 'xilinx_spi_xfer':
drivers/spi/xilinx_spi.c:193:2: warning: implicit declaration of function 'readl' [-Wimplicit-function-declaration]

Signed-off-by: Jagan Teki <jteki@openedev.com>
Cc: Michal Simek <michal.simek@xilinx.com>
2015-07-01 21:15:03 +05:30
Jagan Teki
9505c36ed0 dm: spi: xilinx_spi: Convert to driver model
This converts the xilinx spi driver to use the driver model.

Signed-off-by: Jagan Teki <jteki@openedev.com>
Acked-by: Simon Glass <sjg@chromium.org>
Cc: Michal Simek <michal.simek@xilinx.com>
2015-07-01 21:15:03 +05:30
Jagan Teki
cdc9dd0750 spi: zynq_spi: Add fdt support in driver
Now zynq spi driver platform data is controlled by devicetree,
enable the status by saying "okay" on respective board dts to use
the devicetree generated platdata.

Ex:
&spi1 {
	status = "okay";
};

Signed-off-by: Jagan Teki <jteki@openedev.com>
Acked-by: Simon Glass <sjg@chromium.org>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Tested-by: Jagan Teki <jteki@openedev.com>
2015-07-01 21:15:03 +05:30
Jagan Teki
b1c82da266 dm: spi: zynq_spi: Convert to driver model
This converts the zynq spi driver to use the driver model.

Minimal functional changes like using meaningful name on
structure members wrt mainlined dm spi drivers.
- input_hz -> frequency
- req_hz -> freq
- base -> regs

Signed-off-by: Jagan Teki <jteki@openedev.com>
Acked-by: Simon Glass <sjg@chromium.org>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Tested-by: Jagan Teki <jteki@openedev.com>
2015-07-01 21:15:03 +05:30
Jagan Teki
ff6e31d3a1 spi: davinci_spi: Driver cleanup
Arrange driver code in more readable format[1] for easy accessing
and readable.
[1] http://patchwork.ozlabs.org/patch/265683/

Signed-off-by: Jagan Teki <jteki@openedev.com>
Cc: Rex Chang <rchang@ti.com>
Cc: Murali Karicheri <m-karicheri2@ti.com>
2015-07-01 21:15:03 +05:30
Jagan Teki
e6d2fbf70a spi: davinci_spi: Move header code to driver
Move the header code into driver for more readable and
easy to access it.

Signed-off-by: Jagan Teki <jteki@openedev.com>
Cc: Rex Chang <rchang@ti.com>
Cc: Murali Karicheri <m-karicheri2@ti.com>
2015-07-01 21:15:02 +05:30
Jagan Teki
a7b6ef05bf spi: xilinx_spi: Driver clean-up
- Zap unneeded macros
- Re-arrange the code
- Removed __attribute__((weak))
- Replace __func__ macro with func names to save macro transition.
- Re-arranged comment lines.
- Arrange driver code in more readable format[1]

[1]  http://patchwork.ozlabs.org/patch/265683/

Signed-off-by: Jagan Teki <jteki@openedev.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
2015-07-01 21:15:02 +05:30
Jagan Teki
f93542a873 spi: xilinx_spi: Move header code to driver
Move the header code into driver for more readable and
easy to access it.

Signed-off-by: Jagan Teki <jteki@openedev.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
2015-07-01 21:15:02 +05:30
Jagan Teki
f23d532b63 spi: Zap oc_tiny_spi driver
Zap oc_tiny_spi driver since the boards used this driver
is no longer been active.

Signed-off-by: Jagan Teki <jteki@openedev.com>
Cc: Thomas Chou <thomas@wytron.com.tw>
2015-07-01 21:15:02 +05:30
Jagan Teki
4d934a9ffd spi: Zap ftssp010_spi driver
Zap ftssp010_spi driver since the boards used this driver
is no longer been active.

Signed-off-by: Jagan Teki <jteki@openedev.com>
Cc: Kuo-Jung Su <dantesu@faraday-tech.com>
Cc: Axel Lin <axel.lin@ingics.com>
2015-07-01 21:15:02 +05:30
Jagan Teki
4ad479e3d6 spi: Zap andes_spi driver
Zap andes_spi driver since the boards used this driver
is no longer been active.

Signed-off-by: Jagan Teki <jteki@openedev.com>
Cc: Macpaul Lin <macpaul@andestech.com>
2015-07-01 21:15:02 +05:30
Simon Glass
20edd1ac7a tegra: spi: Support slow SPI rates
Use the oscillator as the source clock when we cannot achieve a low-enough
speed with the peripheral clock. This happens when we request 3MHz on a SPI
clock, for example.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
2015-06-09 09:56:13 -07:00
Simon Glass
635c2515c3 tegra: spi: Drop the claim_bus() method to correct delays
At present the driver does not properly honour the requested SPI CS
deactivation delay since the SPI bus is changed in the claim_bus() method.

Everything the claim_bus() method does can be done when the device is probed
(setting the speed and mode) and at the start of a new transfer (where the
fifo_status is already cleared). So drop this method.

Also, until the delay is complete, we should not touch the bus, so make sure
that spi_cs_activate() is called before other things are done in the xfer()
method.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
2015-06-09 09:56:13 -07:00