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authorRaul E Rangel <rrangel@chromium.org>2021-02-09 10:56:47 -0700
committerFelix Held <felix-coreboot@felixheld.de>2021-02-10 19:00:22 +0000
commit4f1147b54124609284e390b9a1176a90877848f5 (patch)
tree6bd4b97e9963db8c605e5740f7eba056ab2c5ffe /src/soc
parentf87427f1a4303d6cab26f29641831b4d3dec8451 (diff)
soc/amd/picasso: Add SPI registers
The picasso SPI registers are different than the ones defined in amdblocks/lpc.h. The BASE_ALIGNMENT has changed and the PSP_SPI_MMIO_SEL bit has been added. Signed-off-by: Raul E Rangel <rrangel@chromium.org> Change-Id: I0b5a0c88c6dbb95cdbc62b949a7d30bfad1fa725 Reviewed-on: https://review.coreboot.org/c/coreboot/+/50444 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Diffstat (limited to 'src/soc')
-rw-r--r--src/soc/amd/picasso/include/soc/lpc.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/soc/amd/picasso/include/soc/lpc.h b/src/soc/amd/picasso/include/soc/lpc.h
new file mode 100644
index 0000000000..2705f2d9e5
--- /dev/null
+++ b/src/soc/amd/picasso/include/soc/lpc.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef AMD_PICASSO_LPC_H
+#define AMD_PICASSO_LPC_H
+
+#define SPIROM_BASE_ADDRESS_REGISTER 0xa0
+#define SPI_BASE_ALIGNMENT BIT(8)
+#define SPI_BASE_RESERVED (BIT(5) | BIT(6) | BIT(7))
+#define PSP_SPI_MMIO_SEL BIT(4)
+#define ROUTE_TPM_2_SPI BIT(3)
+#define SPI_ABORT_ENABLE BIT(2)
+#define SPI_ROM_ENABLE BIT(1)
+#define SPI_ROM_ALT_ENABLE BIT(0)
+#define SPI_PRESERVE_BITS (BIT(0) | BIT(1) | BIT(2) | BIT(3) | BIT(4))
+
+#endif /* AMD_PICASSO_LPC_H */