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* kerneldoc: Implant DocBook from Linux kernelMarek Vasut2012-10-15-2/+3430
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull slightly modified version of Documentation/DocBook, the related perl script scripts/kernel-doc and the scripts/docproc.c from Linux kernel and implant it into U-Boot. This will allow smooth generation of kerneldoc style documentation. It was necessary to modify the DocBook/Makefile to work with U-Boot build system. The changes were only minor though and involved replacing the kbuild specific parts. It was also necessary to replace use of variables like KERNEL_VERSION with U_BOOT_VERSION, strings like Linux kernel with U-Boot Bootloader etc. so the generated result actually matches. Finally, it was necessary to adjust docproc.c, since the documentation in U-Boot is located in doc/DocBook instead of Documentation/DocBook as is in case of the Linux kernel. Some parts of the DocBook Makefile are unused, but to allow easier sync with Linux kernel, these parts are still left in. The targets enabled now are "htmldocs" "pdfdocs" "psdocs" "xmldocs" and "cleandocs" to remove the results of documentation build. Linux scripts/docproc.c: commit f0f3ca8d967462dafb815412b14ca3339b9817a6 Date: Wed Jun 15 11:53:13 2011 +0200 Linux scripts/kernel-doc: commit 1b40c1944db445c1de1c47ffd8cd426167f488e8 Date: Sun Aug 12 10:46:15 2012 +0200 Linux Documentation/DocBook: commit bb8187d35f820671d6dd76700d77a6b55f95e2c5 Date: Thu May 17 19:06:13 2012 -0400 Signed-off-by: Marek Vasut <marex@denx.de>
* configs: mx6qsabre_common.h: Use default clock definitionsFabio Estevam2012-10-15-2/+0
| | | | | | | Since commit 50d4a707f0 (mx5/6: Define default SoC input clock frequencies) we can use the default clock values. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
* mx6qsabreauto: Add Ethernet supportFabio Estevam2012-10-15-0/+75
| | | | | | | | mx6qsabreauto has a AR8031 Gigabit PHY. Add support for it. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
* mx25: Clean up lowlevel_initBenoît Thébaudeau2012-10-15-53/+68
| | | | | | | | | | | | | | | Clean up mx25 lowlevel_init: - Add comments. - Do not use write32 repeatedly with the same value in order not to increase code size. - Make register values configurable. - Use macro parameters with default values instead of literal constants. - Use defined macros instead of duplicating code. Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com> Cc: Stefano Babic <sbabic@denx.de> Cc: John Rigby <jcrigby@gmail.com> Cc: Matthias Weisser <weisserm@arcor.de>
* mx31: Fix PDR0_CSI_PODFBenoît Thébaudeau2012-10-15-12/+14
| | | | | | | | | | The CSI PODF bit-field used by the previous code for the i.MX31 CCM PDR0 register is actually composed of two bit-fields: one pre-divider and one post-divider. This patch fixes the CCM access macros and the code using them accordingly. Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com> Cc: Stefano Babic <sbabic@denx.de>
* mx35: Define MAX and AIPS registersBenoît Thébaudeau2012-10-15-1/+84
| | | | | Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com> Cc: Stefano Babic <sbabic@denx.de>
* mx31: Add more CCM access macrosBenoît Thébaudeau2012-10-15-0/+10
| | | | | Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com> Cc: Stefano Babic <sbabic@denx.de>
* mx5: Optimize lowlevel_init code sizeBenoît Thébaudeau2012-10-15-53/+59
| | | | | | | | | | | | | | | Optimize mx5 lowlevel_init.S code size: - Compute values at compile time rather than at runtime where possible. - Assign r4 to hold the zero value rather than setting registers to 0 again and again. - Associate a function to setup_pll rather than expanding its large macro code multiple times. - Allocate constant values in section only if used. Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com> Cc: Stefano Babic <sbabic@denx.de> Tested-by: Stefano Babic <sbabic@denx.de> Acked-by: Stefano Babic <sbabic@denx.de>
* mx6qsabreauto: Use ttymxc3 as consoleOtavio Salvador2012-10-15-3/+7
| | | | | | | | The mx6qsabreauto console is different than mx6qsabresd so the console configuration is now set in the board file. Signed-off-by: Otavio Salvador <otavio@ossystems.com.br> Acked-by: Stefano Babic <sbabic@denx.de>
* mx25: Fix eSDHC supportBenoît Thébaudeau2012-10-15-9/+10
| | | | | | | | | | | | | | | | The MMC driver appropriate for the i.MX25 is fsl_esdhc, which has nothing to do with mxcmmc. Also, each eSDHC 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>
* mx25: Define cpu_eth_init() only if neededBenoît Thébaudeau2012-10-15-4/+6
| | | | | | | | 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>
* mx25: Clean up clocks APIBenoît Thébaudeau2012-10-15-9/+6
| | | | | | | | 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>
* mx25 clocks: Fix MXC_FEC_CLKBenoît Thébaudeau2012-10-15-3/+2
| | | | | | | | | | 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>
* mx25: Define more standard clocksBenoît Thébaudeau2012-10-15-0/+15
| | | | | | | Define AHB, IPG and CSPI clocks. Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com> Cc: Stefano Babic <sbabic@denx.de>
* mx25: Clean up clock calculationsBenoît Thébaudeau2012-10-15-4/+4
| | | | | | | | 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>
* mx25: Fix decode_pllBenoît Thébaudeau2012-10-15-3/+6
| | | | | | | | 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>
* mx5/6 clocks: Fix SDHC clocksBenoît Thébaudeau2012-10-15-1/+67
| | | | | | | | | | | | | | | | 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>
* mx51: Fix I2C clock ID checkBenoît Thébaudeau2012-10-15-1/+5
| | | | | | | 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>
* mx5 clocks: Fix MXC_FEC_CLKBenoît Thébaudeau2012-10-15-3/+2
| | | | | | | | | 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>
* mx5 clocks: Simplify imx_get_cspiclk()Benoît Thébaudeau2012-10-15-20/+3
| | | | | | | | | 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>
* mx5 clocks: Fix get_uart_clk()Benoît Thébaudeau2012-10-15-12/+24
| | | | | | | | | | | | 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>
* mx5 clocks: Fix get_ipg_per_clk()Benoît Thébaudeau2012-10-15-3/+7
| | | | | | | | | | | 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>
* mx5 clocks: Fix get_periph_clk()Benoît Thébaudeau2012-10-15-20/+22
| | | | | | | | | | 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>
* mx5 clocks: Fix get_lp_apm()Benoît Thébaudeau2012-10-15-1/+38
| | | | | | | | | | | | 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>
* mx5 clocks: Add and use CCSR definitionsBenoît Thébaudeau2012-10-15-11/+46
| | | | | | | 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>
* mx51: Fix USB PHY clocksBenoît Thébaudeau2012-10-15-9/+22
| | | | | | | | | | | | | | | 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>
* mx5: Fix clock gate valuesBenoît Thébaudeau2012-10-15-12/+18
| | | | | | | | | 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>
* mx5: Use explicit clock gate namesBenoît Thébaudeau2012-10-15-12/+284
| | | | | | | | 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>
* mx5 clocks: CleanupBenoît Thébaudeau2012-10-15-152/+184
| | | | | | | | | | 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>
* mx5/6: Define default SoC input clock frequenciesBenoît Thébaudeau2012-10-15-64/+64
| | | | | | | | | | | 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>
* imx: Use MXC_I2C_CLK in imx i2c driverMatthias Weisser2012-10-15-2/+10
| | | | | | | | 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>
* mx25: add CPU revision 1.2Eric Benard2012-10-15-0/+4
| | | | | | | | 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>
* mx6q: Add basic support for mx6qsabreautoFabio Estevam2012-10-15-0/+339
| | | | | | | | | | | | | | | | | | | | | | 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>
* configs: mx6: Add a common config fileFabio Estevam2012-10-15-164/+185
| | | | | | Add a common mx6 config file that can be shared between some mx6 boards. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
* i.MX6: get rid of redundant struct src_regs (dupe of struct src)Eric Nelson2012-10-15-22/+1
| | | | Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
* i.MX6: define struct iomuxc and IOMUX_GPR2 register bitfieldsEric Nelson2012-10-15-0/+73
| | | | | Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com> Acked-by: Stefano Babic <sbabic@denx.de>
* i.MX6: Add ANATOP_PFD_480 bitfield constantsEric Nelson2012-10-15-0/+24
| | | | | Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com> Acked-by: Stefano Babic <sbabic@denx.de>
* i.MX6: define IOMUX_GPR3 register bitfieldsEric Nelson2012-10-15-0/+48
| | | | Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
* i.MX6: define bitfields for CHSCCDR registerEric Nelson2012-10-15-0/+4
| | | | Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
* i.MX6: change register name for CCM_CHSCCDR to match ref. manualEric Nelson2012-10-15-1/+1
| | | | | | | 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>
* i.MX6: provide functional names for CCM_CCGR0-CCGR6 bit fieldsEric Nelson2012-10-15-185/+193
| | | | | | | | | | | | | 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>
* mx6qsabresd: Add 8-bit USDHC supportFabio Estevam2012-10-15-0/+4
| | | | | | USDHC3 has 8 pins wired in mx6qsabresd. Configure the extra pins. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
* mx6qsabresd: Add Ethernet supportFabio Estevam2012-10-15-2/+91
| | | | | | | | | | | | | | 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>
* mx6: Add basic support for mx6qsabresd board.Fabio Estevam2012-10-15-0/+331
| | | | | | | | | | | | | | | | | 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>
* mx6q: Factor out common DDR3 init codeFabio Estevam2012-10-15-1/+1
| | | | | | | Factor out common DDR3 initialization code, allowing easier maintainance of such scripts. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
* pxa: Add code to examine cpu model and revisionLukasz Dalek2012-10-15-2/+22
| | | | | | | Add function which return CPU model and revision which can be used for cpu detection. Signed-off-by: Lukasz Dalek <luk0104@gmail.com>
* tegra: nand: add board pinmuxLucas Stach2012-10-15-1/+13
| | | | | | | | 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>
* tegra: clean up board include hellLucas Stach2012-10-15-66/+21
| | | | | | | | | | 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>
* tegra: add funcmux entry for NAND attached to KBCLucas Stach2012-10-15-1/+19
| | | | | | | | 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>
* tegra20: rework UART GPIO handlingLucas Stach2012-10-15-45/+10
| | | | | | | | | | | | | | | | | | | | 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>