diff options
Diffstat (limited to 'arch/arm/include/asm/arch-spear/spr_emi.h')
| -rw-r--r-- | arch/arm/include/asm/arch-spear/spr_emi.h | 37 |
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 |