xref: /OK3568_Linux_fs/u-boot/arch/arm/include/asm/arch-spear/spr_emi.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * (C) Copyright 2009
3*4882a593Smuzhiyun  * Ryan CHEN, ST Micoelectronics, ryan.chen@st.com
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #ifndef __SPEAR_EMI_H__
9*4882a593Smuzhiyun #define __SPEAR_EMI_H__
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #ifdef CONFIG_SPEAR_EMI
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun struct emi_bank_regs {
14*4882a593Smuzhiyun 	u32 tap;
15*4882a593Smuzhiyun 	u32 tsdp;
16*4882a593Smuzhiyun 	u32 tdpw;
17*4882a593Smuzhiyun 	u32 tdpr;
18*4882a593Smuzhiyun 	u32 tdcs;
19*4882a593Smuzhiyun 	u32 control;
20*4882a593Smuzhiyun };
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun struct emi_regs {
23*4882a593Smuzhiyun 	struct emi_bank_regs bank_regs[CONFIG_SYS_MAX_FLASH_BANKS];
24*4882a593Smuzhiyun 	u32 tout;
25*4882a593Smuzhiyun 	u32 ack;
26*4882a593Smuzhiyun 	u32 irq;
27*4882a593Smuzhiyun };
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun #define EMI_ACKMSK		0x40
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun /* control register definitions */
32*4882a593Smuzhiyun #define EMI_CNTL_ENBBYTEW	(1 << 2)
33*4882a593Smuzhiyun #define EMI_CNTL_ENBBYTER	(1 << 3)
34*4882a593Smuzhiyun #define EMI_CNTL_ENBBYTERW	(EMI_CNTL_ENBBYTER | EMI_CNTL_ENBBYTEW)
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun #endif
37*4882a593Smuzhiyun 
38*4882a593Smuzhiyun #endif
39