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* ARM: rpi_b: query internal MAC address from firmwareStephen Warren2014-10-221-0/+14
| | | | | | | | The built-in SMSC 95xx chip doesn't know its own MAC address. Instead, we must query it from the VC firmware; it's probably encoded in fuses on the BCM2835. Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
* ARM: bcm2835: fix mbox POWER_STATE_RESP_ON valueStephen Warren2014-02-141-1/+1
| | | | | | Typo: The correct value is 1 not 2. Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
* ARM: rpi_b: power on SDHCI and USB HW modulesStephen Warren2014-01-201-0/+48
| | | | | | | | | | Send RPC commands to the VideoCore to turn on the SDHCI and USB modules. For SDHCI this isn't needed in practice, since the firmware already turned on the power in order to load U-Boot. However, it's best to be explicit. For USB, this is necessary, since the module isn't powered otherwise. This will allow the kernel USB driver to work. Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
* ARM: bcm2835: add missing mbox overscan response fieldAndre Heider2013-11-121-0/+1
| | | | | | | | Add the missing "right" field to struct bcm2835_mbox_tag_overscan. Signed-off-by: Andre Heider <a.heider@gmail.com> Acked-by: Stephen Warren <swarren@wwwdotorg.org> Acked-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
* Add GPL-2.0+ SPDX-License-Identifier to source filesWolfgang Denk2013-07-241-12/+1
| | | | | | Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
* ARM: rpi_b: enable SD controller, add related env/cmdsStephen Warren2013-03-201-0/+26
| | | | | | | | | | | Enable the SD controller driver for the Raspberry Pi. Enable a number of useful MMC, partition, and filesystem-related commands. Set up the environment to provide standard locations for loading a kernel, DTB, etc. Provide a boot command that loads and executes boot.scr.uimg from the SD card; this is written considering future extensibilty to USB storage. Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
* ARM: bcm2835: add mailbox driverStephen Warren2013-03-201-0/+407
The BCM2835 SoC contains (at least) two CPUs; the VideoCore (a/k/a "GPU") and the ARM CPU. The ARM CPU is often thought of as the main CPU. However, the VideoCore actually controls the initial SoC boot, and hides much of the hardware behind a protocol. This protocol is transported using the SoC's mailbox hardware module. Here, we add a very simplistic driver for the mailbox module, and define a few structures for the property messages. Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
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