[U-Boot] [V2] [PATCH 2/8] sun8i: Add CCI-400 definitions
tpearson at raptorengineering.com
tpearson at raptorengineering.com
Tue May 17 21:35:15 CEST 2016
Multi-cluster systems require basic initialization of the
cache coherent interconnect to enable SMP via PSCI. Add
the requisite definitions for general use.
Signed-off-by: Timothy Pearson <tpearson at raptorengineering.com>
---
arch/arm/include/asm/arch-sunxi/cpu_sun4i.h | 3 +++
arch/arm/include/asm/cci.h | 10 ++++++++++
2 files changed, 13 insertions(+)
create mode 100644 arch/arm/include/asm/cci.h
diff --git a/arch/arm/include/asm/arch-sunxi/cpu_sun4i.h b/arch/arm/include/asm/arch-sunxi/cpu_sun4i.h
index 65c0441..848e13c 100644
--- a/arch/arm/include/asm/arch-sunxi/cpu_sun4i.h
+++ b/arch/arm/include/asm/arch-sunxi/cpu_sun4i.h
@@ -18,6 +18,9 @@
#define SUNXI_SRAM_D_BASE 0x00010000 /* 4 kiB */
#define SUNXI_SRAM_B_BASE 0x00020000 /* 64 kiB (secure) */
+#define SUNXI_CPUXCFG_BASE 0x01700000
+#define SUNXI_CCI400_BASE 0x01790000
+
#define SUNXI_SRAMC_BASE 0x01c00000
#define SUNXI_DRAMC_BASE 0x01c01000
#define SUNXI_DMA_BASE 0x01c02000
diff --git a/arch/arm/include/asm/cci.h b/arch/arm/include/asm/cci.h
new file mode 100644
index 0000000..19eae99
--- /dev/null
+++ b/arch/arm/include/asm/cci.h
@@ -0,0 +1,10 @@
+#ifndef __CCI_H__
+#define __CCI_H__
+
+/* Register offsets for the ARM cache coherent interconnect (CCI) */
+
+#define CCI400_DVM_MESSAGE_REQ_EN 0x00000002
+#define CCI400_SNOOP_REQ_EN 0x00000001
+#define CCI400_SHA_ORD_NON_SHAREABLE 0x00000002
+
+#endif /* __CCI_H__ */
--
2.8.0.rc3
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