From: "Jeremy Linton" <jeremy.linton@arm.com>
To: devel@edk2.groups.io
Cc: ardb+tianocore@kernel.org, quic_llindhol@quicinc.com,
Jeremy Linton <jeremy.linton@arm.com>
Subject: [edk2-devel] [PATCH 3/7] Platform/RaspberryPi: Add constants for controlling SPI
Date: Wed, 10 Jan 2024 18:04:06 -0600 [thread overview]
Message-ID: <20240111000412.2734985-4-jeremy.linton@arm.com> (raw)
In-Reply-To: <20240111000412.2734985-1-jeremy.linton@arm.com>
Add the #defines needed to access the SPI interface
documented in the BCM2711 Peripheral guide chapter 8.
Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
---
.../Include/IndustryStandard/Bcm2836.h | 34 +++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/Silicon/Broadcom/Bcm283x/Include/IndustryStandard/Bcm2836.h b/Silicon/Broadcom/Bcm283x/Include/IndustryStandard/Bcm2836.h
index a930c64af3..55a446a86c 100644
--- a/Silicon/Broadcom/Bcm283x/Include/IndustryStandard/Bcm2836.h
+++ b/Silicon/Broadcom/Bcm283x/Include/IndustryStandard/Bcm2836.h
@@ -109,6 +109,40 @@
#define BCM2836_SPI2_LENGTH 0x00000040
#define BCM2836_SPI2_BASE_ADDRESS (BCM2836_SOC_REGISTERS + BCM2836_SPI2_OFFSET)
+/* SPI register offsets */
+#define BCM2835_SPI_CS 0x00
+#define BCM2835_SPI_FIFO 0x04
+#define BCM2835_SPI_CLK 0x08
+#define BCM2835_SPI_DLEN 0x0c
+#define BCM2835_SPI_LTOH 0x10
+#define BCM2835_SPI_DC 0x14
+
+/* Bitfields in CS */
+#define BCM2835_SPI_CS_LEN_LONG 0x02000000
+#define BCM2835_SPI_CS_DMA_LEN 0x01000000
+#define BCM2835_SPI_CS_CSPOL2 0x00800000
+#define BCM2835_SPI_CS_CSPOL1 0x00400000
+#define BCM2835_SPI_CS_CSPOL0 0x00200000
+#define BCM2835_SPI_CS_RXF 0x00100000
+#define BCM2835_SPI_CS_RXR 0x00080000
+#define BCM2835_SPI_CS_TXD 0x00040000
+#define BCM2835_SPI_CS_RXD 0x00020000
+#define BCM2835_SPI_CS_DONE 0x00010000
+#define BCM2835_SPI_CS_LEN 0x00002000
+#define BCM2835_SPI_CS_REN 0x00001000
+#define BCM2835_SPI_CS_ADCS 0x00000800
+#define BCM2835_SPI_CS_INTR 0x00000400
+#define BCM2835_SPI_CS_INTD 0x00000200
+#define BCM2835_SPI_CS_DMAEN 0x00000100
+#define BCM2835_SPI_CS_TA 0x00000080
+#define BCM2835_SPI_CS_CSPOL 0x00000040
+#define BCM2835_SPI_CS_CLEAR_RX 0x00000020
+#define BCM2835_SPI_CS_CLEAR_TX 0x00000010
+#define BCM2835_SPI_CS_CPOL 0x00000008
+#define BCM2835_SPI_CS_CPHA 0x00000004
+#define BCM2835_SPI_CS_CS_10 0x00000002
+#define BCM2835_SPI_CS_CS_01 0x00000001
+
/* dma constants */
#define BCM2836_DMA0_OFFSET 0x00007000
#define BCM2836_DMA0_BASE_ADDRESS (BCM2836_SOC_REGISTERS + BCM2836_DMA0_OFFSET)
--
2.43.0
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next prev parent reply other threads:[~2024-01-11 0:04 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-11 0:04 [edk2-devel] [PATCH 0/7] RaspberryPi: SPI Variables, again Jeremy Linton
2024-01-11 0:04 ` [edk2-devel] [PATCH 1/7] Platform/RaspberryPi: Move GPIO/SPI/I2C to SSDT Jeremy Linton
2024-01-11 0:04 ` [edk2-devel] [PATCH 2/7] Platform/RaspberryPi: Add menu item to enable/disable GPIO Jeremy Linton
2024-01-11 0:04 ` Jeremy Linton [this message]
2024-01-11 0:04 ` [edk2-devel] [PATCH 4/7] Platform/RaspberryPi: Add mailbox cmd to control audio amp Jeremy Linton
2024-01-11 0:04 ` [edk2-devel] [PATCH 5/7] Platform/RaspberryPi: Add SPI/GPIO to memory map Jeremy Linton
2024-01-11 0:04 ` [edk2-devel] [PATCH 6/7] Platform/RaspberryPi: Allow pin function selection at runtime Jeremy Linton
2024-01-11 0:04 ` [edk2-devel] [PATCH 7/7] Platform/RaspberryPi: Add SPI flash variable store Jeremy Linton
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