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* ARM: tegra: don't request GPIO from Seaboard's SPLStephen Warren2012-10-29-10/+4
| | | | | | | | | | | | | | | | Seaboard has a GPIO that switches an external mux between Tegra's debug UART and SPI flash. This is initialized from the SPL so that SPL debug output can be seen. Simplify the code that does this, and don't actually request the GPIO in the SPL; just program it. This saves ~4.5K from the size of the SPL, mostly BSS due to the large gpio_names[] table that is no longer required. This makes Seaboard's SPL fit within the current max size. Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org> Acked-by: Allen Martin <amartin@nvidia.com> Tested-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Warren <twarren@nvidia.com>
* ARM: tegra: select between Seaboard/Ventana at compile timeStephen Warren2012-10-29-3/+1
| | | | | | | | | | | | | | Seaboard and Ventana are very similar boards, and so share the seaboard.c board file. The one difference needed so far is detected at run-time by calling machine_is_ventana(). This bloats the Ventana build with code that is never used. Switch to detecting Ventana at compile time to remove bloat. This shaves ~5K off the SPL size on Ventana, and makes the SPL fit within the max size. Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org> Tested-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Warren <twarren@nvidia.com>
* tegra20: rework UART GPIO handlingLucas Stach2012-10-15-1/+1
| | | | | | | | | | | | | | | | | | | | 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>
* Tegra20: Move some include files to arch-tegra for sharing with Tegra30Tom Warren2012-10-15-2/+2
| | | | | | | | | | | 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>
* Tegra: Change Tegra20 to Tegra in common code, prep for T30Tom Warren2012-09-10-2/+2
| | | | | | | | | | Convert TEGRA20_ defines to either TEGRA_ or NV_PA_ where appropriate. Convert tegra20_ source file and function names to tegra_, also. Upcoming Tegra30 port will use common code/defines/names where possible. Signed-off-by: Tom Warren <twarren@nvidia.com> Acked-by: Stephen Warren <swarren@nvidia.com>
* tegra20: rename tegra2 -> tegra20Allen Martin2012-09-01-3/+3
| | | | | | | | | | This is make naming consistent with the kernel and devicetree and in preparation of pulling out the common tegra20 code. Signed-off-by: Allen Martin <amartin@nvidia.com> Acked-by: Stephen Warren <swarren@wwwdotorg.org> Tested-by: Thierry Reding <thierry.reding@avionic-design.de> Signed-off-by: Tom Warren <twarren@nvidia.com>
* mmc: tegra2: rename tegra2_mmc.* to tegra_mmc.*Tom Warren2012-07-07-2/+2
| | | | | | | | In anticipation of Tegra3 support, continue removing/renaming Tegra2-specific files. No functional changes (yet). Updated copyrights to 2012. Signed-off-by: Tom Warren <twarren@nvidia.com>
* tegra: usb: Add USB support to nvidia boardsSimon Glass2012-03-29-0/+6
| | | | | | | | | | | | | | | | | | This adds basic USB support for port 0. The other port is not supported yet. Tegra2 (SeaBoard) # usb start (Re)start USB... USB: Register 10011 NbrPorts 1 USB EHCI 1.00 scanning bus for devices... 5 USB Device(s) found scanning bus for storage devices... 1 Storage Device(s) found Tegra2 (SeaBoard) # ext2load usb 0:3 10000000 /boot/vmlinuz Loading file "/boot/vmlinuz" from usb device 0:3 (ROOT-A) 2932976 bytes read Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Warren <twarren@nvidia.com>
* tegra: Use funcmux for MMC on seaboardSimon Glass2012-02-12-17/+4
| | | | | | | Use the new funcmux_select() feature to set up the MMC pin mux. Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Warren <twarren@nvidia.com>
* tegra2: Move tegra2_mmc_init() prototype to public header.Thierry Reding2011-12-24-1/+1
| | | | | | | | | | | | | tegra2_mmc_init() is implemented by the Tegra2 MMC driver. Since most of the Tegra2-based boards will need to call it, this commit exports it in the new public asm/arch/mmc.h header file to prevent each board from providing its own prototype. Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de> Acked-by: Stephen Warren <swarren@nvidia.com> Tested-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Warren <twarren@nvidia.com>
* tegra2: Plumb in SPI/UART switch codeSimon Glass2011-12-24-0/+3
| | | | | | | | | | | | | | | On Seaboard the UART and SPI interfere with each other. This causes the UART to receive spurious zero bytes after SPI transactions and also means that SPI can corrupt a few output characters when it starts up if they are still in the UART buffer. This updates the board to use the SPI/UART switch to avoid the problem. For now this feature is turned off since it needs changes to the NS16550 UART to operate. Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Warren <twarren@nvidia.com>
* tegra2: Use new GPIO APIs in gpio_config_uart()Stephen Warren2011-12-09-16/+2
| | | | | | | | | | | | | | | ... rather than open-coding the register accesses. However, gpio_request() typically stores the "label" parameter in a global data structure. This causes problems when called from gpio_config_uart(), since the code is running before relocation. To solve this, pass a NULL string to gpio_request(), and modify gpio_request() not to touch the string if it's NULL. Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org> Tested-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Warren <twarren@nvidia.com>
* tegra2: Add support for VentanaStephen Warren2011-12-09-2/+9
| | | | | | | | | | | | | | Ventana is a board which is very similar to Seaboard. Support it by re-using board/nvidia/seaboard/seaboard.c with minor run-time conditionals. v5: Makefile: Use cmd_link_o_target, remove unused clean/distclean targets. v6: Make gpio_config_uart_seaboard() static. v7: Add MAINTAINERS entry for Ventana. Tom Warren doesn't have Ventana, so he asked me to add myself for this board. Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Warren <twarren@nvidia.com>
* tegra2: Modify MMC driver to handle power and cd GPIOsStephen Warren2011-12-09-31/+2
| | | | | | | | | | | | | | | | | | | | | | | Pass the GPIO numbers for power and card detect to tegra2_mmc_init(), and modify that function to perform all required GPIO initialization. This removes the need for board files to perform these operations. Move board_mmc_getcd() into tegra2_mmc.c now that the driver knows which GPIOs to use. Update affected call-sites in seaboard.c and harmony.c. Note that this change should make all SD ports work on Harmony, since the required GPIO setup is now being performed. v4: Fix prototype of tegra2_mmc_init() in board.h to match driver change. Remove prototype of gpio_config_mmc() from board.h Signed-off-by: Stephen Warren <swarren@nvidia.com> Cc: Andy Fleming <afleming@gmail.com> Tested-by: Simon Glass <sjg@chromium.org> Acked-by: Simon Glass <sjg@chromium.org> Acked-by: Andy Fleming <afleming@freescale.com> Signed-off-by: Tom Warren <twarren@nvidia.com>
* tegra2: Move board_mmc_init into board filesStephen Warren2011-12-09-0/+53
| | | | | | | | | | | | | | | | | | | | For Seaboard, this is mostly a cut/paste of board_mmc_init() and pin_mux_mmc() into seaboard.c; pin_mux_mmc() was modified to add some missing pinmux_tristate_disable calls for the GPIOs. For Harmony, those functions were modified to configure SDMMC2 (index 2) instead of SDMMC3 (index 1), since that's what is present on the board. However, harmony.c is still missing the required GPIO setup, so neither port is likely to function correctly yet. This will be fixed in the next change. v4: Include board.h to prototype tegra2_mmc_init(). Signed-off-by: Stephen Warren <swarren@nvidia.com> Tested-by: Simon Glass <sjg@chromium.org> Acked-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Warren <twarren@nvidia.com>
* tegra2: Enable MMC for SeaboardTom Warren2011-10-27-1/+34
| | | | | | | | This adds the required GPIO and pinmux configuration to make eMMC / SD work on Seaboard. Signed-off-by: Simon Glass <sjg@chromium.org> Tested-by: Tom Warren <twarren@nvidia.com>
* arm: Tegra2: Move clk/mux init to board_early_init_f, add GPIO initTom Warren2011-04-27-0/+52
Signed-off-by: Tom Warren <twarren@nvidia.com>
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