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authorIru Cai <mytbk920423@gmail.com>2019-10-30 14:21:52 +0800
committerIru Cai <mytbk920423@gmail.com>2019-10-30 14:48:38 +0800
commitae51f41d14f548d494ac41e0d21137c5a4c3f59c (patch)
tree6ddb9d1aaa7bd5bad5bbf8497edc2e08ff208d79 /arch/arm/include/asm/arch-spear/spr_emi.h
downloaduext4-ae51f41d14f548d494ac41e0d21137c5a4c3f59c.tar.xz
import the U-Boot code and make it compile
Diffstat (limited to 'arch/arm/include/asm/arch-spear/spr_emi.h')
-rw-r--r--arch/arm/include/asm/arch-spear/spr_emi.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-spear/spr_emi.h b/arch/arm/include/asm/arch-spear/spr_emi.h
new file mode 100644
index 0000000..7b1cf35
--- /dev/null
+++ b/arch/arm/include/asm/arch-spear/spr_emi.h
@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2009
+ * Ryan CHEN, ST Micoelectronics, ryan.chen@st.com
+ */
+
+#ifndef __SPEAR_EMI_H__
+#define __SPEAR_EMI_H__
+
+#ifdef CONFIG_SPEAR_EMI
+
+struct emi_bank_regs {
+ u32 tap;
+ u32 tsdp;
+ u32 tdpw;
+ u32 tdpr;
+ u32 tdcs;
+ u32 control;
+};
+
+struct emi_regs {
+ struct emi_bank_regs bank_regs[CONFIG_SYS_MAX_FLASH_BANKS];
+ u32 tout;
+ u32 ack;
+ u32 irq;
+};
+
+#define EMI_ACKMSK 0x40
+
+/* control register definitions */
+#define EMI_CNTL_ENBBYTEW (1 << 2)
+#define EMI_CNTL_ENBBYTER (1 << 3)
+#define EMI_CNTL_ENBBYTERW (EMI_CNTL_ENBBYTER | EMI_CNTL_ENBBYTEW)
+
+#endif
+
+#endif