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-rw-r--r--board/nvidia/nyan-big/README18
-rw-r--r--board/nvidia/nyan-big/nyan-big.c2
2 files changed, 19 insertions, 1 deletions
diff --git a/board/nvidia/nyan-big/README b/board/nvidia/nyan-big/README
new file mode 100644
index 0000000000..0e53d8d92f
--- /dev/null
+++ b/board/nvidia/nyan-big/README
@@ -0,0 +1,18 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright 2018 Google LLC
+# Written by Simon Glass <sjg@chromium.org>
+
+U-Boot on Nyan
+==============
+
+Nyan-big is supported by mainline U-Boot. This device is based on Tegra124.
+To build it, use the nyan-big config.
+
+To boot it, connect a USB A-A cable from your computer to the back USB port.
+Connect a servo board. Then with t20_rec and warn_rst held down:
+
+ sudo tegrarcm --bct cbootimage-configs/tegra124/nvidia/norrin/PM370_Hynix_2GB_H5TC4G63AFR_PBA_924MHz_01212014.bct
+ --bootloader u-boot-dtb-tegra.bin --loadaddr 0x80108000
+
+The norrin config is close enough that it works well with Nyan.
diff --git a/board/nvidia/nyan-big/nyan-big.c b/board/nvidia/nyan-big/nyan-big.c
index ff5c67de98..3c7bfead24 100644
--- a/board/nvidia/nyan-big/nyan-big.c
+++ b/board/nvidia/nyan-big/nyan-big.c
@@ -121,7 +121,7 @@ static void enable_required_clocks(void)
int nvidia_board_init(void)
{
clock_start_periph_pll(PERIPH_ID_EXTPERIPH1, CLOCK_ID_OSC, 12000000);
- clock_start_periph_pll(PERIPH_ID_I2S1, CLOCK_ID_OSC, 1500000);
+ clock_start_periph_pll(PERIPH_ID_I2S1, CLOCK_ID_CLK_M, 1500000);
/* For external MAX98090 audio codec */
clock_external_output(1);