oweals/u-boot.git
12 years agomx25: Define cpu_eth_init() only if needed
Benoît Thébaudeau [Thu, 27 Sep 2012 10:28:09 +0000 (10:28 +0000)]
mx25: Define cpu_eth_init() only if needed

The FEC is the only SoC Ethernet support available on i.MX25, so define
cpu_eth_init() only for it instead of returning a misleading success code.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Stefano Babic <sbabic@denx.de>
12 years agomx25: Clean up clocks API
Benoît Thébaudeau [Thu, 27 Sep 2012 10:27:57 +0000 (10:27 +0000)]
mx25: Clean up clocks API

Use the standard mxc_get_clock() instead of exporting internal functions and
using literal constant values.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Stefano Babic <sbabic@denx.de>
12 years agomx25 clocks: Fix MXC_FEC_CLK
Benoît Thébaudeau [Thu, 27 Sep 2012 10:27:44 +0000 (10:27 +0000)]
mx25 clocks: Fix MXC_FEC_CLK

mxc_get_clock(MXC_FEC_CLK) should return the IPG clock, not the AHB clock.

Also, imx_get_fecclk() was correct but reimplemented the calculation of the IPG
clock, so remove the duplicated code.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Stefano Babic <sbabic@denx.de>
12 years agomx25: Define more standard clocks
Benoît Thébaudeau [Thu, 27 Sep 2012 10:27:28 +0000 (10:27 +0000)]
mx25: Define more standard clocks

Define AHB, IPG and CSPI clocks.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Stefano Babic <sbabic@denx.de>
12 years agomx25: Clean up clock calculations
Benoît Thébaudeau [Thu, 27 Sep 2012 10:27:14 +0000 (10:27 +0000)]
mx25: Clean up clock calculations

Avoid possible overflow in clock calculations, and do not waste calls to lldiv()
to divide simple ulongs.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Stefano Babic <sbabic@denx.de>
12 years agomx25: Fix decode_pll
Benoît Thébaudeau [Thu, 27 Sep 2012 10:26:54 +0000 (10:26 +0000)]
mx25: Fix decode_pll

The MFN bit-field of the PLL registers represents a signed value. See the
reference manual.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Stefano Babic <sbabic@denx.de>
12 years agomx5/6 clocks: Fix SDHC clocks
Benoît Thébaudeau [Thu, 27 Sep 2012 10:24:37 +0000 (10:24 +0000)]
mx5/6 clocks: Fix SDHC clocks

The i.MX5 eSDHC clocks were considered as coming from the IPG clock although
they have dedicated clock paths.

Also, on i.MX5/6, each SDHC instance has a dedicated clock, so gd->sdhc_clk must
be set accordingly. This is good for the case only a single SDHC instance is
used (initialization made with fsl_esdhc_mmc_init()). A future patch will fix
the multi-instance use case (initialization made directly with
fsl_esdhc_initialize()).

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Eric Bénard <eric@eukrea.com>
Cc: Otavio Salvador <otavio@ossystems.com.br>
12 years agomx51: Fix I2C clock ID check
Benoît Thébaudeau [Thu, 27 Sep 2012 10:24:13 +0000 (10:24 +0000)]
mx51: Fix I2C clock ID check

There are only 2 I²C instances on i.MX51, but 3 on i.MX53.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Stefano Babic <sbabic@denx.de>
12 years agomx5 clocks: Fix MXC_FEC_CLK
Benoît Thébaudeau [Thu, 27 Sep 2012 10:23:58 +0000 (10:23 +0000)]
mx5 clocks: Fix MXC_FEC_CLK

The FEC clock does not come from PLL1, but from the IPG clock. The previous code
was even inconsistent with itself, returning the IPG clock as expected for
imx_get_fecclk(), but the PLL1 clock for mxc_get_clock(MXC_FEC_CLK).

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Stefano Babic <sbabic@denx.de>
12 years agomx5 clocks: Simplify imx_get_cspiclk()
Benoît Thébaudeau [Thu, 27 Sep 2012 10:23:42 +0000 (10:23 +0000)]
mx5 clocks: Simplify imx_get_cspiclk()

The code handling the dividers was duplicated for each possible input clock, and
this function can benefit from the newly introduced get_standard_pll_sel_clk()
function instead of duplicating this mux handling code.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Stefano Babic <sbabic@denx.de>
12 years agomx5 clocks: Fix get_uart_clk()
Benoît Thébaudeau [Thu, 27 Sep 2012 10:23:23 +0000 (10:23 +0000)]
mx5 clocks: Fix get_uart_clk()

This function returned 66500000 instead of the correct lp_apm clock frequency if
the CCM.CSCMR1.uart_clk_sel mux is set to 3.

This patch fixes this issue by introducing the get_standard_pll_sel_clk()
function that will be used by future patches to handle identical muxes used by
many other clocks.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Stefano Babic <sbabic@denx.de>
12 years agomx5 clocks: Fix get_ipg_per_clk()
Benoît Thébaudeau [Thu, 27 Sep 2012 10:23:08 +0000 (10:23 +0000)]
mx5 clocks: Fix get_ipg_per_clk()

This fixes the "IPG PERCLK" frequency printed by the clocks command. The issue
was that get_ipg_per_clk() used periph_clk instead of lp_apm in the case
CCM.CBCMR.perclk_lp_apm_sel is set.

It also fixes I²C support.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Stefano Babic <sbabic@denx.de>
12 years agomx5 clocks: Fix get_periph_clk()
Benoît Thébaudeau [Thu, 27 Sep 2012 10:22:51 +0000 (10:22 +0000)]
mx5 clocks: Fix get_periph_clk()

In the case periph_clk comes from periph_apm_clk, the latter is selected by the
CCM.CBCMR.periph_apm_sel mux, which can source the lp_apm clock from its
input ♯2. get_periph_clk() returned 0 instead of the lp_apm clock frequency in
this case.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Stefano Babic <sbabic@denx.de>
12 years agomx5 clocks: Fix get_lp_apm()
Benoît Thébaudeau [Thu, 27 Sep 2012 10:22:37 +0000 (10:22 +0000)]
mx5 clocks: Fix get_lp_apm()

If CCM.CCSR.lp_apm is set, the lp_apm clock is not necessarily 32768 Hz x 1024.
In that case:
 - on i.MX51, this clock comes from the output of the FPM,
 - on i.MX53, this clock comes from the output of PLL4.

This patch fixes the code accordingly.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Stefano Babic <sbabic@denx.de>
12 years agomx5 clocks: Add and use CCSR definitions
Benoît Thébaudeau [Thu, 27 Sep 2012 10:22:22 +0000 (10:22 +0000)]
mx5 clocks: Add and use CCSR definitions

This fixes config_pll_clk(), which used 0x20 instead of 0x200 for PLL4_CLOCK.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Stefano Babic <sbabic@denx.de>
12 years agomx51: Fix USB PHY clocks
Benoît Thébaudeau [Fri, 28 Sep 2012 07:09:03 +0000 (07:09 +0000)]
mx51: Fix USB PHY clocks

The i.MX51 has a single USB PHY clock, while the i.MX53 has two. These 3 clocks
have different clock gate control bit-fields.

The existing code was correct only for i.MX53, so this patch fixes the i.MX51
use case.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Marek Vasut <marex@denx.de>
Cc: Jana Rapava <fermata7@gmail.com>
Cc: Wolfgang Grandegger <wg@denx.de>
Cc: Igor Grinberg <grinberg@compulab.co.il>
12 years agomx5: Fix clock gate values
Benoît Thébaudeau [Thu, 27 Sep 2012 10:21:22 +0000 (10:21 +0000)]
mx5: Fix clock gate values

The clock gate values are 2-bit bit-fields. Hence, setting or clearing only one
of these bits like what was done is wrong and can lead to unpredictable behavior
depending on the original value of these bit-fields.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Stefano Babic <sbabic@denx.de>
12 years agomx5: Use explicit clock gate names
Benoît Thébaudeau [Thu, 27 Sep 2012 10:21:00 +0000 (10:21 +0000)]
mx5: Use explicit clock gate names

Use clock gate definitions having names showing clearly the gated clock instead
of names giving only a register field index.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Stefano Babic <sbabic@denx.de>
12 years agomx5 clocks: Cleanup
Benoît Thébaudeau [Thu, 27 Sep 2012 10:20:33 +0000 (10:20 +0000)]
mx5 clocks: Cleanup

Clean up the i.MX5 clock driver:
 - Use readl() and writel() instead of their __raw_ counterparts.
 - Use the clr/setbits_le32() family of macros rather than expanding code.
 - Use accessor macros for bit-fields instead of _MASK and _OFFSET.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Stefano Babic <sbabic@denx.de>
12 years agomx5/6: Define default SoC input clock frequencies
Benoît Thébaudeau [Thu, 27 Sep 2012 10:19:58 +0000 (10:19 +0000)]
mx5/6: Define default SoC input clock frequencies

Define default SoC input clock frequencies for i.MX5/6 in order to get rid of
duplicated definitions.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Jason Liu <r64343@freescale.com>
Cc: Matt Sealey <matt@genesi-usa.com>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
12 years agoimx: Use MXC_I2C_CLK in imx i2c driver
Matthias Weisser [Mon, 24 Sep 2012 02:46:53 +0000 (02:46 +0000)]
imx: Use MXC_I2C_CLK in imx i2c driver

i2c didn't work on imx25 due to missing MXC_IPG_PERCLK. Now using
MXC_I2C_CLK on all imx systems using i2c.

Signed-off-by: Matthias Weisser <weisserm@arcor.de>
Acked-by: Stefano Babic <sbabic@denx.de>
12 years agomx25: add CPU revision 1.2
Eric Benard [Sun, 23 Sep 2012 02:03:05 +0000 (02:03 +0000)]
mx25: add CPU revision 1.2

tested on a MCIMX257CJM4A which now reports :
CPU:   Freescale i.MX25 rev1.2 at 399 MHz

Signed-off-by: Eric Bénard <eric@eukrea.com>
Acked-by: Otavio Salvador <otavio@ossystems.com.br>
12 years agomx6q: Add basic support for mx6qsabreauto
Fabio Estevam [Mon, 24 Sep 2012 08:09:33 +0000 (08:09 +0000)]
mx6q: Add basic support for mx6qsabreauto

mx6qsabreauto is a board based on mx6q SoC with the following features:
- 2GB of DDR3
- 2 USB ports
- 1 HDMI output port
- SPI NOR
- 2 LVDS LCD ports
- Gigabit Ethernet
- Camera
- eMMC and SD card slot
- Multichannel Audio
- CAN
- SATA
- NAND
- PCIE
- Video Input

Add very basic support for it.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
12 years agoconfigs: mx6: Add a common config file
Fabio Estevam [Mon, 24 Sep 2012 08:09:32 +0000 (08:09 +0000)]
configs: mx6: Add a common config file

Add a common mx6 config file that can be shared between some mx6 boards.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
12 years agoi.MX6: get rid of redundant struct src_regs (dupe of struct src)
Eric Nelson [Tue, 18 Sep 2012 15:26:32 +0000 (15:26 +0000)]
i.MX6: get rid of redundant struct src_regs (dupe of struct src)

Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
12 years agoi.MX6: define struct iomuxc and IOMUX_GPR2 register bitfields
Eric Nelson [Wed, 19 Sep 2012 08:32:31 +0000 (08:32 +0000)]
i.MX6: define struct iomuxc and IOMUX_GPR2 register bitfields

Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
Acked-by: Stefano Babic <sbabic@denx.de>
12 years agoi.MX6: Add ANATOP_PFD_480 bitfield constants
Eric Nelson [Wed, 19 Sep 2012 08:29:46 +0000 (08:29 +0000)]
i.MX6: Add ANATOP_PFD_480 bitfield constants

Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
Acked-by: Stefano Babic <sbabic@denx.de>
12 years agoi.MX6: define IOMUX_GPR3 register bitfields
Eric Nelson [Fri, 21 Sep 2012 11:41:42 +0000 (11:41 +0000)]
i.MX6: define IOMUX_GPR3 register bitfields

Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
12 years agoi.MX6: define bitfields for CHSCCDR register
Eric Nelson [Wed, 19 Sep 2012 08:33:50 +0000 (08:33 +0000)]
i.MX6: define bitfields for CHSCCDR register

Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
12 years agoi.MX6: change register name for CCM_CHSCCDR to match ref. manual
Eric Nelson [Mon, 17 Sep 2012 10:20:50 +0000 (10:20 +0000)]
i.MX6: change register name for CCM_CHSCCDR to match ref. manual

Register CCM_CHSCCDR (offset 0x34 in CCM) is named CCM_CHSCCDR in
reference manual, but was named chscdr in struct mxc_ccm_reg.

Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
12 years agoi.MX6: provide functional names for CCM_CCGR0-CCGR6 bit fields
Eric Nelson [Fri, 21 Sep 2012 07:33:51 +0000 (07:33 +0000)]
i.MX6: provide functional names for CCM_CCGR0-CCGR6 bit fields

Add meaningful constants for each clock channels and use them for
enabling and disabling i.MX6 clocks.

Includes an update to enable/disable the IPU1 clock in
drivers/video/ipu_common to remove IMX5x register access
when used on i.MX6 as discussed in V1:

     http://patchwork.ozlabs.org/patch/185129/

Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
12 years agomx6qsabresd: Add 8-bit USDHC support
Fabio Estevam [Tue, 18 Sep 2012 09:27:49 +0000 (09:27 +0000)]
mx6qsabresd: Add 8-bit USDHC support

USDHC3 has 8 pins wired in mx6qsabresd. Configure the extra pins.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
12 years agomx6qsabresd: Add Ethernet support
Fabio Estevam [Tue, 18 Sep 2012 17:24:23 +0000 (17:24 +0000)]
mx6qsabresd: Add Ethernet support

mx6qsabresd has a AR8031 Gigabit PHY.

Add support for it.

Also increase CONFIG_SYS_MALLOC_LEN so that FEC buffer allocation does not fail.

Tested on 1Gbp and 100Mbps networks.

Suggested-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Kim Phillips <kim.phillips@freescale.com>
12 years agomx6: Add basic support for mx6qsabresd board.
Fabio Estevam [Thu, 13 Sep 2012 03:18:20 +0000 (03:18 +0000)]
mx6: Add basic support for mx6qsabresd board.

mx6qsabresd is a board based on mx6q SoC with the following features:
- 1GB of DDR3
- 1 USB OTG port
- 1 HDMI output port
- SPI NOR
- LVDS panel
- Gigabit Ethernet
- Camera Connector
- eMMC and SD card slot
- Audio

Add very basic support for it.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
12 years agomx6q: Factor out common DDR3 init code
Fabio Estevam [Thu, 13 Sep 2012 03:18:19 +0000 (03:18 +0000)]
mx6q: Factor out common DDR3 init code

Factor out common DDR3 initialization code, allowing easier maintainance of such
scripts.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
12 years agopxa: Add code to examine cpu model and revision
Lukasz Dalek [Tue, 2 Oct 2012 22:51:06 +0000 (00:51 +0200)]
pxa: Add code to examine cpu model and revision

Add function which return CPU model and revision which can be used for
cpu detection.

Signed-off-by: Lukasz Dalek <luk0104@gmail.com>
12 years agotegra: nand: add board pinmux
Lucas Stach [Sat, 29 Sep 2012 10:02:09 +0000 (10:02 +0000)]
tegra: nand: add board pinmux

Boards may require a different pinmux setup for NAND than the default one.
Add a way to call into board specific code to set this up.

Signed-off-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: Tom Warren <twarren@nvidia.com>
12 years agotegra: clean up board include hell
Lucas Stach [Sat, 29 Sep 2012 10:02:08 +0000 (10:02 +0000)]
tegra: clean up board include hell

The prototypes used in board files were all scattered out, which lead to
code duplication between SPL and normal U-Boot and some prototypes not actually
being used. Consolidate this in a common board header.

Signed-off-by: Lucas Stach <dev@lynxeye.de>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
12 years agotegra: add funcmux entry for NAND attached to KBC
Lucas Stach [Thu, 27 Sep 2012 13:04:27 +0000 (13:04 +0000)]
tegra: add funcmux entry for NAND attached to KBC

Secondary config for the Flash attachment.

Signed-off-by: Lucas Stach <dev@lynxeye.de>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
12 years agotegra20: rework UART GPIO handling
Lucas Stach [Tue, 25 Sep 2012 20:21:14 +0000 (20:21 +0000)]
tegra20: rework UART GPIO handling

Rename board provided gpio_config_uart() to
gpio_early_init_uart() as it does the same thing as the equally
called function provided by the uart-switch code. This allows
to simply call this function in early board init whether or not
we are building with CONFIG_UART_SWITCH defined.

Also provide a weak symbol for this function, to avoid the
need to provide this function for boards that don't need any
fixup.

This patch supersedes the earlier posted
"tegra: convert gpio_config_uart to weak symbol".
Build tested with MAKEALL -s tegra20

Signed-off-by: Lucas Stach <dev@lynxeye.de>
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
12 years agotegra20: add clock_set_pllout function
Lucas Stach [Tue, 25 Sep 2012 20:21:13 +0000 (20:21 +0000)]
tegra20: add clock_set_pllout function

Common practice on Tegra 2 boards is to use the pllp_out4 FO
to generate the ULPI reference clock. For this to work we have
to override the default hardware generated output divider.

This function adds a clean way to do so.

Signed-off-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: Tom Warren <twarren@nvidia.com>
12 years agotegra20: complete periph_id enum
Lucas Stach [Tue, 25 Sep 2012 09:59:12 +0000 (09:59 +0000)]
tegra20: complete periph_id enum

Most Tegra boards output the ULPI reference clock on pad DEV2.

Complete the periph_id enum so that we are able to enable this
clock output circuit.

Signed-off-by: Lucas Stach <dev@lynxeye.de>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
12 years agotegra: enable CONFIG_CMD_PART
Stephen Warren [Tue, 25 Sep 2012 13:32:26 +0000 (13:32 +0000)]
tegra: enable CONFIG_CMD_PART

This is extremely likely to be used from the boot.scr that Tegra's default
bootcmd locates and executes.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
12 years agoTegra20: Move some include files to arch-tegra for sharing with Tegra30
Tom Warren [Wed, 19 Sep 2012 22:50:56 +0000 (15:50 -0700)]
Tegra20: Move some include files to arch-tegra for sharing with Tegra30

The move is pretty straight-forward. ap20.h and tegra20.h were renamed to ap.h and tegra.h.
Some files remain in arch-tegra20 but 'include' a file in 'arch-tegra' with #defines & structs
that will be common between T20 and T30 HW. HW-specific #defines, etc. stay in the 'arch-tegra20'
'root' file.

All boards build OK w/MAKEALL -s tegra20. Checkpatch.pl runs clean. Seaboard works OK.

Signed-off-by: Tom Warren <twarren@nvidia.com>
12 years agoTegra20: Move some code files to common directories for upcoming Tegra30 patches.
Tom Warren [Wed, 19 Sep 2012 21:08:52 +0000 (14:08 -0700)]
Tegra20: Move some code files to common directories for upcoming Tegra30 patches.

Move files that are going to be common between T20 and T30 into 'tegra-common'
subdirs in AVP (arm720t), CPU (armv7), and shared (arch/arm/cpu/.) areas. Any
files that are left behind in '/tegra20' will be copied to '/tegra30' subdirs
and modified for that SoC. The 'common' files should need only minor changes.

Include files (arch/arm/include/asm/arch-tegra/tegra20) will be done in a
follow-on patch.

Builds fine w/MAKEALL -s tegra20. Checkpatch.pl is clean.

Signed-off-by: Tom Warren <twarren@nvidia.com>
12 years agotegra: Rename Medcom to Medcom-Wide
Thierry Reding [Wed, 19 Sep 2012 00:37:21 +0000 (00:37 +0000)]
tegra: Rename Medcom to Medcom-Wide

Medcom is the marketing name for an older, PXA-based version of the same
device. In order to avoid confusion, rename the Tegra-based version to
the new marketing name.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
12 years agotegra: Update Avionic Design vendor prefix
Thierry Reding [Wed, 19 Sep 2012 00:37:20 +0000 (00:37 +0000)]
tegra: Update Avionic Design vendor prefix

The official vendor prefix for Avionic Design is now "ad". Update the
board DTS files accordingly.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
12 years agotools: Add a README note about fw_printenv lock file
Joe Hershberger [Thu, 4 Oct 2012 08:31:00 +0000 (08:31 +0000)]
tools: Add a README note about fw_printenv lock file

Add a mention of the lock file to the README for the fw_printenv tool.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Reported-by: Luka Perkov <uboot@lukaperkov.net>
12 years agoenv: Check for NULL pointer in envmatch()
Joe Hershberger [Wed, 3 Oct 2012 09:38:50 +0000 (09:38 +0000)]
env: Check for NULL pointer in envmatch()

If the pointer passed into envmatch() is NULL, return -1 instead of
crashing.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
12 years agotools/env: Serialize calls to fw_*env
Joe Hershberger [Wed, 3 Oct 2012 09:38:49 +0000 (09:38 +0000)]
tools/env: Serialize calls to fw_*env

Use a lock file at /var/lock/fw_printenv.lock.
Avoids seriously confusing the MTD driver.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
12 years agotools/env: Don't call env_init() in fw_getenv()
Joe Hershberger [Wed, 3 Oct 2012 09:38:48 +0000 (09:38 +0000)]
tools/env: Don't call env_init() in fw_getenv()

We will only call fw_getenv when the env has already been initialized.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
12 years agotools/env: Remove unneeded complexity
Joe Hershberger [Wed, 3 Oct 2012 09:38:47 +0000 (09:38 +0000)]
tools/env: Remove unneeded complexity

The length included the name length, and then it was subtracted back
out on each use.  Now we don't include it in the first place.  Also
realloc as we process arguments and eliminate memset.  Use memcpy
instead of manually copying each byte.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
12 years agotools/env: Use a board-specific default env
Joe Hershberger [Wed, 3 Oct 2012 09:38:46 +0000 (09:38 +0000)]
tools/env: Use a board-specific default env

Originally added in aa701b94336b358798d676eef12a7b90bdac23f5

Before this patch, there was a hard-coded env that was used as default
if the env in flash is detected as invalid.  Now this tool (compiled
for a given board) will share the default env with the u-boot for the
board.

Fix include of config.h

Need to define "TEXT_BASE" when building the fw_env tool so that the
default env will be correct for environments which use it.

Define __ASSEMBLY__ when calling #include <config.h> so that we only
get #defines (all we're interested in).

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
12 years agocommon: cmd_bdinfo: fix type of value in print_lnum
Daniel Schwierzeck [Wed, 3 Oct 2012 08:36:11 +0000 (08:36 +0000)]
common: cmd_bdinfo: fix type of value in print_lnum

This fixes a warning when compiling with ELDK-5.2.1 for MIPS64:

cmd_bdinfo.c: In function 'print_lnum':
cmd_bdinfo.c:56:2: warning: format '%llX' expects argument of type 'long long unsigned int', but argument 3 has type 'u64' [-Wformat]

Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
12 years agoinput: Add debugging for key matrix key codes
Simon Glass [Thu, 27 Sep 2012 15:18:43 +0000 (15:18 +0000)]
input: Add debugging for key matrix key codes

These are read from the fdt - add a debug feature to display the mapping
on start-up.

See that we get debug output listing the keycodes

Signed-off-by: Simon Glass <sjg@chromium.org>
12 years agoinput: Allow key ghosting filter to be disabled
Simon Glass [Thu, 27 Sep 2012 15:18:42 +0000 (15:18 +0000)]
input: Allow key ghosting filter to be disabled

Some keyboards will not need a key ghosting filter, so make this feature
optional.

Signed-off-by: Simon Glass <sjg@chromium.org>
12 years agoinput: Separate out keyboard repeat/delay from init
Simon Glass [Thu, 27 Sep 2012 15:18:41 +0000 (15:18 +0000)]
input: Separate out keyboard repeat/delay from init

It is inconvenient to have to specify the keyboard repeat and delay at
init time if it is not yet available, so move this into a separate
function.

Some drivers will want to do this when their keyboard init routine
is actually called.

Signed-off-by: Simon Glass <sjg@chromium.org>
12 years agoinput: Correct key_matrix fdt decoding
Simon Glass [Thu, 27 Sep 2012 15:18:40 +0000 (15:18 +0000)]
input: Correct key_matrix fdt decoding

Some issues with this were not addressed in the previous series. Fix up
the binding decoding to deal with what is actually expected in the fdt.

This corrects the broken keyboard on seaboard.

Signed-off-by: Simon Glass <sjg@chromium.org>
12 years agotools: Add cleanpatch
Fabio Estevam [Fri, 28 Sep 2012 03:36:14 +0000 (03:36 +0000)]
tools: Add cleanpatch

There are some errors reported by checkpatch.pl that can be easily cleaned up by
using the cleanpatch tool.

Import the cleanpatch script from linux kernel 3.5.4 stable version as from the
following commit:

commit cb3ed5b7e09c6c0462e396d55e3fecc0980a333a
Author: H. Peter Anvin <hpa@zytor.com>
Date:   Fri May 25 17:58:26 2007 -0700

    scripts: Make cleanfile/cleanpatch warn about long lines

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
12 years agopatman: Handle checkpatch.pl not providing file/line info
Simon Glass [Thu, 27 Sep 2012 15:33:46 +0000 (15:33 +0000)]
patman: Handle checkpatch.pl not providing file/line info

Sometimes we don't get a valid filename or line number from checkpatch.pl,
for example if the patch is in a bad format. Deal with this by using a
default value, rather than a stack trace.

Signed-off-by: Simon Glass <sjg@chromium.org>
12 years agopatman: Support Series-name tag to name a series
Simon Glass [Thu, 27 Sep 2012 15:06:02 +0000 (15:06 +0000)]
patman: Support Series-name tag to name a series

Sometimes it is possible to forget the name of the branch you used to
generate an upstream series. To assist with this, add an optional
patman does not use this.

Signed-off-by: Simon Glass <sjg@chromium.org>
12 years agoMAKEALL: add a -C/--check option to enable build checking
Kim Phillips [Thu, 27 Sep 2012 14:57:34 +0000 (14:57 +0000)]
MAKEALL: add a -C/--check option to enable build checking

thanks to Tom Rini for the good idea.

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
12 years agoadd check infrastructure, default sparse
Kim Phillips [Fri, 21 Sep 2012 12:28:17 +0000 (12:28 +0000)]
add check infrastructure, default sparse

Add support for running source code checkers on u-boot source, e.g.,
using sparse to aid with typechecking.  This comes in especially
handy as SoC vendors mix and match cores and devices with different
endianness, thus here we add CHECK_ENDIAN to the otherwise linux
kernel default CHECKFLAGS.

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
12 years agosata.h: Make all sata/ata drivers include <sata.h>
Pavel Herrmann [Thu, 27 Sep 2012 23:18:04 +0000 (23:18 +0000)]
sata.h: Make all sata/ata drivers include <sata.h>

- block_dev_desc_t says that block_(read|write) take lbaint_t for blkcnt
  not ulong.
- We also move the extern of sata_dev_desc into <sata.h>
- Remove now duplicate declarations from driver-specific headers.

Signed-off-by: Tom Rini <trini@ti.com>
Signed-off-by: Pavel Herrmann <morpheus.ibis@gmail.com>
12 years agoide.h: Make ide_(read|write) match block_dev_desc_t block_(read|write)
Tom Rini [Sat, 29 Sep 2012 14:36:43 +0000 (07:36 -0700)]
ide.h: Make ide_(read|write) match block_dev_desc_t block_(read|write)

block_dev_desc_t says that block_(read|write) take lbaint_t for blkcnt
not ulong

Signed-off-by: Tom Rini <trini@ti.com>
12 years agosil_sata: Make sata_write() comply with <part.h>
Tom Rini [Sat, 29 Sep 2012 14:57:25 +0000 (07:57 -0700)]
sil_sata: Make sata_write() comply with <part.h>

sata_write() takes a const void as the last argument.  Fixing this means
we also need to make ata_low_level_rw_lba{28,48} also take a const void.

Signed-off-by: Tom Rini <trini@ti.com>
12 years agosata_dwc: Make sata_write() use const void, per <part.h>
Tom Rini [Sat, 29 Sep 2012 14:57:04 +0000 (07:57 -0700)]
sata_dwc: Make sata_write() use const void, per <part.h>

Signed-off-by: Tom Rini <trini@ti.com>
12 years agopata_bfin: Make sata_{read,write}() comply with <part.h>
Tom Rini [Sat, 29 Sep 2012 14:56:31 +0000 (07:56 -0700)]
pata_bfin: Make sata_{read,write}() comply with <part.h>

These functions take lbaint_t for blkcnt.

Signed-off-by: Tom Rini <trini@ti.com>
12 years agofsl_sata: Make sata_{read,write}() comply with <part.h>
Tom Rini [Sat, 29 Sep 2012 14:55:11 +0000 (07:55 -0700)]
fsl_sata: Make sata_{read,write}() comply with <part.h>

- sata_write() takes a const void as the last argument.  Fixing this
  means we also need to make ata_low_level_rw_lba{28,48} also take a
  const void.
- Both sata_{read,write} take lbaint_t for blkcnt and ulong for blknr

Signed-off-by: Tom Rini <trini@ti.com>
12 years agodwc_ahsata: Make sata_write() comply with <part.h>
Tom Rini [Sat, 29 Sep 2012 14:53:06 +0000 (07:53 -0700)]
dwc_ahsata: Make sata_write() comply with <part.h>

sata_write() takes a const void as the last argument.  Fixing this means
we also need to make ata_low_level_rw_lba{28,48} also take a const void.

Acked-by: Stefano Babic <sbabic@denx.de>
Signed-off-by: Tom Rini <trini@ti.com>
12 years agoata_piix: sata_write must take a const void argument.
Tom Rini [Sat, 29 Sep 2012 14:52:48 +0000 (07:52 -0700)]
ata_piix: sata_write must take a const void argument.

Signed-off-by: Tom Rini <trini@ti.com>
12 years agoata_piix: Fix checkpatch issues
Tom Rini [Sat, 29 Sep 2012 14:35:12 +0000 (07:35 -0700)]
ata_piix: Fix checkpatch issues

While in here also:
- Switch to debug from custom PRINTF for debugging.
- Use mdelay rather than custom msleep.

Signed-off-by: Tom Rini <trini@ti.com>
12 years agousb.h: Add udc_disconnect prototype to usb.h
Lukasz Dalek [Tue, 2 Oct 2012 15:04:33 +0000 (17:04 +0200)]
usb.h: Add udc_disconnect prototype to usb.h

PXA25x gadget implements common function usb_disconnect().
This patch adds this function prototype into usb.h for boards using it.

Signed-off-by: Lukasz Dalek <luk0104@gmail.com>
12 years agopxa25x: Add support for USB ethernet gadget
Lukasz Dalek [Tue, 2 Oct 2012 15:04:32 +0000 (17:04 +0200)]
pxa25x: Add support for USB ethernet gadget

Add to pxa25x based devices support for USB ethernet gadget. This is a
port of pxa25x UDC driver from Linux kernel.

Signed-off-by: Lukasz Dalek <luk0104@gmail.com>
12 years agousbether: Removed DEV_CONFIG_{CDC,SUBSET}
Lukasz Dalek [Tue, 2 Oct 2012 15:04:31 +0000 (17:04 +0200)]
usbether: Removed DEV_CONFIG_{CDC,SUBSET}

Removed DEV_CONFIG_CDC and DEV_CONFIG_SUBSET and replaced it with
CONFIG_USB_ETH_CDC and CONFIG_USB_ETH_SUBSET.

Signed-off-by: Lukasz Dalek <luk0104@gmail.com>
12 years agousbether: Define CONFIG_USB_ETH_{CDC,SUBSET}
Lukasz Dalek [Tue, 2 Oct 2012 15:04:30 +0000 (17:04 +0200)]
usbether: Define CONFIG_USB_ETH_{CDC,SUBSET}

Introduced CONFIG_USB_ETH_CDC and CONFIG_USB_ETH_SUBSET as preparation
for removal DEV_CONFIG_CDC and DEV_CONFIG_SUBSET

Signed-off-by: Lukasz Dalek <luk0104@gmail.com>
12 years agousbether: Fixed bug when using with PXA25X chips
Lukasz Dalek [Tue, 2 Oct 2012 15:04:29 +0000 (17:04 +0200)]
usbether: Fixed bug when using with PXA25X chips

PXA25X chips don't support alternate settings so driver uses non-CDC
driver.
But only code defined between DEV_CONFIG_CDC signals that network is up.
This patch is fixing this bug by signaling that network is up after USB
SET_INTERFACE request.

Signed-off-by: Lukasz Dalek <luk0104@gmail.com>
12 years agotegra20: add USB ULPI init code
Lucas Stach [Sun, 30 Sep 2012 22:44:35 +0000 (00:44 +0200)]
tegra20: add USB ULPI init code

This adds the required code to set up a ULPI USB port. It is
mostly a port of the Linux ULPI setup code with some tweaks
added for more correctness, discovered along the way of
debugging this.

To use this both CONFIG_USB_ULPI and CONFIG_USB_ULPI_VIEWPORT
have to be set in the board configuration file.

Signed-off-by: Lucas Stach <dev@lynxeye.de>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
12 years agousb: ulpi: add indicator configuration function
Lucas Stach [Sun, 30 Sep 2012 22:44:34 +0000 (00:44 +0200)]
usb: ulpi: add indicator configuration function

Allows for easy configuration of the VBUS indicator related ULPI
config bits.

Also move the external indicator setup from ulpi_set_vbus() to
the new function.

Signed-off-by: Lucas Stach <dev@lynxeye.de>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
12 years agousb: ehci: don't print debug output
Lucas Stach [Thu, 27 Sep 2012 22:26:19 +0000 (00:26 +0200)]
usb: ehci: don't print debug output

This is clearly some sort of debug output and should not
be printed during normal operation.

Signed-off-by: Lucas Stach <dev@lynxeye.de>
12 years agotegra20: port to new ehci interface
Lucas Stach [Tue, 25 Sep 2012 22:14:37 +0000 (00:14 +0200)]
tegra20: port to new ehci interface

EHCI interface now supports more than one controller. Wire up our usb functions
to use this new interface.

Signed-off-by: Lucas Stach <dev@lynxeye.de>
12 years agousb: add support for multiple usb controllers
Lucas Stach [Tue, 25 Sep 2012 22:14:36 +0000 (00:14 +0200)]
usb: add support for multiple usb controllers

Allows to initialize more than one USB controller at once.

v2: print message when controller stop fails

Signed-off-by: Lucas Stach <dev@lynxeye.de>
Reviewed-by: Marek Vasut <marex@denx.de>
12 years agousb: ehci: rework to take advantage of new lowlevel interface
Lucas Stach [Tue, 25 Sep 2012 22:14:35 +0000 (00:14 +0200)]
usb: ehci: rework to take advantage of new lowlevel interface

Kill off ehci-core.h
It was used to specify some static controller data. To support more than
one controller being active at any time we have to carry the controller
data ourselfes. Change the ehci interface accordingly.

NOTE: OMAP implemented the ehci stuff a bit backwards and should be fixed
to do the same thing as other platforms. But the change for now is at least
compile clean.

Signed-off-by: Lucas Stach <dev@lynxeye.de>
Reviewed-by: Marek Vasut <marex@denx.de>
12 years agousb: lowlevel interface change to support multiple controllers
Lucas Stach [Tue, 25 Sep 2012 22:14:34 +0000 (00:14 +0200)]
usb: lowlevel interface change to support multiple controllers

Carry an index in the lowlevel usb functions to make specify the
respective usb controller.

Also pass through an controller struct from lowlevel_init to the
creation of the root usb device of this controller.

Signed-off-by: Lucas Stach <dev@lynxeye.de>
Reviewed-by: Marek Vasut <marex@denx.de>
12 years agopmc405de and zeus: remove the env_ptr externs
Igor Grinberg [Fri, 28 Sep 2012 10:04:46 +0000 (12:04 +0200)]
pmc405de and zeus: remove the env_ptr externs

The env_ptr is already declared in environment.h, so there is no need to
redeclare in board files (especially after including the environment.h)
Remove those declarations.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Stefan Roese <sr@denx.de>
Acked-by: Matthias Fuchs <matthias.fuchs@esd.eu>
12 years agoppc4xx: Remove AP1000 board support
Stefan Roese [Wed, 19 Sep 2012 13:18:52 +0000 (15:18 +0200)]
ppc4xx: Remove AP1000 board support

As the board seems to be unmaintained for some time, lets remove
the support in mainline completely.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: James MacAulay <james.macaulay@amirix.com>
Acked-by: Marek Vasut <marex@denx.de>
12 years agoppc4xx: Remove ML2 board support
Stefan Roese [Wed, 19 Sep 2012 13:18:51 +0000 (15:18 +0200)]
ppc4xx: Remove ML2 board support

As the board seems to be unmaintained for some time, lets remove
the support in mainline completely.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Peter De Schrijver <p2@mind.be>
Acked-by: Marek Vasut <marex@denx.de>
12 years agoppc4xx: Remove IOP480 support
Stefan Roese [Wed, 19 Sep 2012 12:33:52 +0000 (14:33 +0200)]
ppc4xx: Remove IOP480 support

Since the IOP480 (PPC401/3 variant from PLX) is only used on 2
boards that are not actively maintained, lets remove support
for it completely. This way the ppc4xx code will get a bit cleaner.

Signed-off-by: Stefan Roese <sr@denx.de>
Acked-by: Matthias Fuchs <matthias.fuchs@esd.eu>
Acked-by: Marek Vasut <marex@denx.de>
12 years agoserial: Enhance the manual relocation
Marek Vasut [Sun, 16 Sep 2012 16:54:22 +0000 (18:54 +0200)]
serial: Enhance the manual relocation

Enhance the manual relocation of drivers operations structure by
checking if the entries are NULL and increment them only if they
are not. This allows for setting any entry to NULL and it will
survive the manual relocation.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Marek Vasut <marek.vasut@gmail.com>
Cc: Tom Rini <trini@ti.com>
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Stefan Roese <sr@denx.de>
12 years agoserial: Compile drivers/serial/serial.c by default
Marek Vasut [Fri, 14 Sep 2012 21:46:48 +0000 (23:46 +0200)]
serial: Compile drivers/serial/serial.c by default

Compile drivers/serial/serial.c by default both into SPL and into
non-SPL builds, since CONFIG_SERIAL_MULTI is now the default state.
Also having common/serial.c in by default now, it's pointless to keep
-DCONFIG_SERIAL_MULTI in CPPFLAGS any longer, so remove it as well.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Marek Vasut <marek.vasut@gmail.com>
Cc: Tom Rini <trini@ti.com>
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Stefan Roese <sr@denx.de>
12 years agoserial: Remove CONFIG_SERIAL_MULTI from remaining sources
Marek Vasut [Fri, 14 Sep 2012 21:45:51 +0000 (23:45 +0200)]
serial: Remove CONFIG_SERIAL_MULTI from remaining sources

Remove the parts depending either on disabled CONFIG_SERIAL_MULTI
or ifdefs around CONFIG_SERIAL_MULTI parts since CONFIG_SERIAL_MULTI
is now enabled by default.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Marek Vasut <marek.vasut@gmail.com>
Cc: Tom Rini <trini@ti.com>
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Stefan Roese <sr@denx.de>
12 years agoserial: Remove CONFIG_SERIAL_MULTI from serial drivers
Marek Vasut [Fri, 14 Sep 2012 21:44:09 +0000 (23:44 +0200)]
serial: Remove CONFIG_SERIAL_MULTI from serial drivers

Remove the support for not-CONFIG_SERIAL_MULTI part from serial
port drivers and some board files. Since CONFIG_SERIAL_MULTI is
now enabled by default, that part is a dead code. Remove it.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Marek Vasut <marek.vasut@gmail.com>
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Stefan Roese <sr@denx.de>
Signed-off-by: Tom Rini <trini@ti.com>
12 years agoserial: Remove CONFIG_SERIAL_MULTI from config files
Marek Vasut [Fri, 14 Sep 2012 21:39:52 +0000 (23:39 +0200)]
serial: Remove CONFIG_SERIAL_MULTI from config files

Remove any notion of CONFIG_SERIAL_MULTI from board config files.
Since CONFIG_SERIAL_MULTI is now enabled by default, it is useless
to specify this config option in the board config files. Therefore
remove it.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Marek Vasut <marek.vasut@gmail.com>
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Stefan Roese <sr@denx.de>
Signed-off-by: Tom Rini <trini@ti.com>
12 years agoserial: Unconditionally enable CONFIG_SERIAL_MULTI
Marek Vasut [Fri, 14 Sep 2012 21:20:05 +0000 (23:20 +0200)]
serial: Unconditionally enable CONFIG_SERIAL_MULTI

Enable CONFIG_SERIAL_MULTI for all builds of U-Boot. That includes
both SPL builds and non-SPL builds, everything. To avoid poluting
this patch with removal of ifdef-endif constructions containing
CONFIG_SERIAL_MULTI, the CONFIG_SERIAL_MULTI is temporarily added
into CPPFLAGS in config.mk . This will be again removed in following
patch.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Marek Vasut <marek.vasut@gmail.com>
Cc: Tom Rini <trini@ti.com>
12 years agoserial: Move common/serial.c to drivers/serial/
Marek Vasut [Sat, 29 Sep 2012 16:16:28 +0000 (18:16 +0200)]
serial: Move common/serial.c to drivers/serial/

Move the common/serial.c into driver/serial/, since this file
provides serial multiplexing functions and it is imperative to
be linked with libserial.o instead of libcommon.o.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Marek Vasut <marek.vasut@gmail.com>
Cc: Tom Rini <trini@ti.com>
12 years agoserial: ns16550: Rename serial.c to serial_ns16550.c
Marek Vasut [Sat, 29 Sep 2012 16:12:47 +0000 (18:12 +0200)]
serial: ns16550: Rename serial.c to serial_ns16550.c

This serial driver had wrong name of the source file for some time
now. The name of the driver was serial.c instead of any more logical
and fitting name. Thus, rename the driver source file to serial_ns16550.c
and be done with it.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Marek Vasut <marek.vasut@gmail.com>
Cc: Tom Rini <trini@ti.com>
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Stefan Roese <sr@denx.de>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Michal Simek <monstr@monstr.eu>
12 years agoserial: ns16550: Call usbtty_poll only in non-SPL build
Marek Vasut [Sat, 15 Sep 2012 08:25:19 +0000 (10:25 +0200)]
serial: ns16550: Call usbtty_poll only in non-SPL build

Having both USBTTY and CONFIG_SERIAL_MULTI enabled in SPL, the
usbtty.c file is protected in Makefile to not be compiled into
the SPL. Yet, the ns16550 serial driver does not contain such
protection. Add it to avoid missing symbol error.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Marek Vasut <marek.vasut@gmail.com>
Cc: Tom Rini <trini@ti.com>
12 years agoserial: Use puts() and hang() instead of panic() in SPL
Marek Vasut [Sat, 15 Sep 2012 08:33:51 +0000 (10:33 +0200)]
serial: Use puts() and hang() instead of panic() in SPL

If case the get_current() call fails before relocation, the U-Boot
must try to print an error message, fail and either reset or halt.
Such error is critical enough to halt the system, as it means the
system is in very bad state.

This is now also used in SPL, since CONFIG_SERIAL_MULTI is enabled
unconditionally. To avoid compiling whole vsprintf.c into SPL, use
puts() to print error message and hang() to stop the system in case
of SPL build.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Marek Vasut <marek.vasut@gmail.com>
Cc: Tom Rini <trini@ti.com>
12 years agoserial: mxs: spl: Remove empty serial_* functions from SPL code
Marek Vasut [Fri, 14 Sep 2012 21:18:08 +0000 (23:18 +0200)]
serial: mxs: spl: Remove empty serial_* functions from SPL code

Remove the empty bodies from serial_* functions from MXS SPL code.
These empty implementations are now in common/serial.c instead so
declaring them also in the SPL code would cause a colision once
serial multi is enabled unconditionally.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Marek Vasut <marek.vasut@gmail.com>
Cc: Tom Rini <trini@ti.com>
Cc: Stefano Babic <sbabic@denx.de>
12 years agoserial: sh: Implement CONFIG_SERIAL_MULTI into sh serial driver
Marek Vasut [Fri, 14 Sep 2012 20:40:08 +0000 (22:40 +0200)]
serial: sh: Implement CONFIG_SERIAL_MULTI into sh serial driver

Implement support for CONFIG_SERIAL_MULTI into sh serial driver.
This driver was so far only usable directly, but this patch also adds
support for the multi method. This allows using more than one serial
driver alongside the sh driver. Also, add a weak implementation
of default_serial_console() returning this driver.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Marek Vasut <marek.vasut@gmail.com>
Cc: Phil Edworthy <PHIL.EDWORTHY@renesas.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Signed-off-by: Tom Rini <trini@ti.com>