Aaron Durbin (adurbin@google.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/8847
-gerrit
commit fb2cef8caba870d617babbc9cff2cb2e682aea83 Author: Aaron Durbin adurbin@chromium.org Date: Fri Mar 20 16:42:17 2015 -0500
tegra124: implement platform_prog_run()
The tegra124 SoC is currently booting up on the AVP cpu which bootstraps the rest of the SoC. Upon exiting bootblock it runs romstage from its faster armv7 core. Instead of hard coding the stage loading operations use run_romstage().
Change-Id: Idddcfd5443f08d4dd41e1d9b71650ff6d4b14bc4 Signed-off-by: Aaron Durbin adurbin@chromium.org --- src/soc/nvidia/tegra124/bootblock.c | 39 ++++++++++++++++++++----------------- 1 file changed, 21 insertions(+), 18 deletions(-)
diff --git a/src/soc/nvidia/tegra124/bootblock.c b/src/soc/nvidia/tegra124/bootblock.c index f08ca41..1ccc394 100644 --- a/src/soc/nvidia/tegra124/bootblock.c +++ b/src/soc/nvidia/tegra124/bootblock.c @@ -22,16 +22,30 @@ #include <bootblock_common.h> #include <cbfs.h> #include <console/console.h> +#include <program_loading.h> #include <soc/clock.h> #include <soc/nvidia/tegra/apbmisc.h> #include <vendorcode/google/chromeos/chromeos.h> #include "pinmux.h" #include "power.h"
-void main(void) +static void run_next_stage(void *entry) { - void *entry; + ASSERT(entry); + clock_cpu0_config(entry); + + power_enable_and_ungate_cpu(); + + /* Repair ram on cluster0 and cluster1 after CPU is powered on. */ + ram_repair(); + + clock_cpu0_remove_reset();
+ clock_halt_avp(); +} + +void main(void) +{ // enable pinmux clamp inputs clamp_tristate_inputs();
@@ -70,21 +84,10 @@ void main(void) PINMUX_PWR_INT_N_FUNC_PMICINTR | PINMUX_INPUT_ENABLE);
- if (IS_ENABLED(CONFIG_VBOOT2_VERIFY_FIRMWARE)) - entry = NULL; - else - entry = cbfs_load_stage(CBFS_DEFAULT_MEDIA, - CONFIG_CBFS_PREFIX "/romstage"); - - ASSERT(entry); - clock_cpu0_config(entry); - - power_enable_and_ungate_cpu(); - - /* Repair ram on cluster0 and cluster1 after CPU is powered on. */ - ram_repair(); - - clock_cpu0_remove_reset(); + run_romstage(); +}
- clock_halt_avp(); +void platform_prog_run(struct prog *prog) +{ + run_next_stage(prog_entry(prog)); }