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8ca8ce1ba0
Add support for Solid-Runs new LX2160A COM Express Type 7 Module (see https://www.solid-run.com/nxp-lx2160a-family/cex7-lx2160/) to NXPs Reset Config Word infrastructure. Signed-off-by: Jens Rehsack <sno@netbsd.org>
114 lines
3.6 KiB
Diff
114 lines
3.6 KiB
Diff
From f7f0ad5e568862f7dc70fbd0f790845ee576734d Mon Sep 17 00:00:00 2001
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From: Rabeeh Khoury <rabeeh@solid-run.com>
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Date: Tue, 24 Mar 2020 03:42:14 +0200
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Subject: [PATCH 8/8] lx2160a: add generic bootloc section
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The generic bootloc section does conditional blockcopy from SD/eMMC and
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SPI with some predefined addresses.
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Later on if ATF is used; those addresses are modified with ATF's
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create_pbl.c
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With this method a single boot image is unified for all the 3 different
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boot methods.
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Upstream-Status: Inappropriate [Solid-Run BSP]
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Signed-off-by: Rabeeh Khoury <rabeeh@solid-run.com>
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---
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lx2160acex7/configs/lx2160a_defaults.rcwi | 12 +++++
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lx2160asi/bootlocptr.rcw | 62 +++++++++++++++++++++++
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2 files changed, 74 insertions(+)
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create mode 100644 lx2160asi/bootlocptr.rcw
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diff --git a/lx2160acex7/configs/lx2160a_defaults.rcwi b/lx2160acex7/configs/lx2160a_defaults.rcwi
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index 7af1f5b..7997d49 100644
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--- a/lx2160acex7/configs/lx2160a_defaults.rcwi
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+++ b/lx2160acex7/configs/lx2160a_defaults.rcwi
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@@ -35,3 +35,15 @@ write 0x2320000,0x20000000
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/* LX2 rev 2 PCIe Errata A-009531 and A-008851*/
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#include <../lx2160asi/a009531_a008851.rcw>
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+
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+/* Unified boot location copy */
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+#include <../lx2160asi/bootlocptr.rcw>
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+
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+/* Errata to write on scratch reg for validation */
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+#include <../lx2160asi/scratchrw1.rcw>
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+
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+/* common PBI commands */
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+#include <../lx2160asi/common.rcw>
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+
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+/* Modify FlexSPI Clock Divisor value - for now keep it fixed value but using loadc/jumpc/jump it can be calculated on the fly */
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+#include <../lx2160asi/flexspi_divisor_28.rcw>
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diff --git a/lx2160asi/bootlocptr.rcw b/lx2160asi/bootlocptr.rcw
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new file mode 100644
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index 0000000..645182f
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--- /dev/null
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+++ b/lx2160asi/bootlocptr.rcw
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@@ -0,0 +1,62 @@
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+/*
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+ * Generic code for auto booting.
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+ * For each section blockcopy followed by write to bootlocl then bootloch must
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+ * be followed in each section since when using ATF with create_pbl script in
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+ * auto mode; it counts on the sequence of to be in that order.
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+ */
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+
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+/* Boot from SD - copy SPL Uboot to Ocram */
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+.pbi
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+/* Load condition PORSR1 and mask RCW_SRC */
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+loadc 0x01e00000,0x07800000
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+
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+/* If it is 0x8 << 23 then skip the following jump command */
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+jumpc 0x00000014,0x04000000
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+
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+/* Jump all the below instructions */
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+jump 0x28 /* All instruction below including the jump are 40 bytes */
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+
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+/* blockcopy must be followed by two writes to bootlocl and bootloch */
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+blockcopy 0x08,0x00100000,0x1800a000,0x00020000
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+write 0x01e00400,0x1800a000
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+write 0x01e00404,0x00000000
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+.end
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+
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+/* Boot from eMMC - copy SPL Uboot to Ocram */
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+.pbi
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+/* Load condition PORSR1 and mask RCW_SRC */
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+loadc 0x01e00000,0x07800000
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+
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+/* If it is 0x9 << 23 then skip the following jump command */
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+jumpc 0x00000014,0x04800000
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+
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+/* Jump all the below instructions */
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+jump 0x28 /* All instruction below including the jump are 40 bytes */
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+
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+/* blockcopy must be followed by two writes to bootlocl and bootloch */
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+blockcopy 0x09,0x00100000,0x1800a000,0x00020000
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+write 0x01e00400,0x1800a000
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+write 0x01e00404,0x00000000
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+.end
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+
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+/* XSPI boot Location Pointer */
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+/*
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+ * Set the boot location pointer to the NOR flash boot area.
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+ */
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+
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+.pbi
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+/* Load condition PORSR1 and mask RCW_SRC */
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+loadc 0x01e00000,0x07800000
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+
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+/* If it is 0xf << 23 then skip the following jump command */
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+jumpc 0x00000014,0x07800000
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+
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+/* Jump all the below instructions */
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+jump 0x28 /* All instruction below including the jump are 0x190 bytes */
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+
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+/* blockcopy must be followed by two writes to bootlocl and bootloch */
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+blockcopy 0x0f,0x00100000,0x1800a000,0x00020000
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+write 0x01e00400,0x20100000
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+write 0x01e00404,0x00000000
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+.end
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+
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--
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2.17.1
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