diff options
Diffstat (limited to 'arch/arm/include/asm/arch-keystone/emif_defs.h')
| -rw-r--r-- | arch/arm/include/asm/arch-keystone/emif_defs.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-keystone/emif_defs.h b/arch/arm/include/asm/arch-keystone/emif_defs.h new file mode 100644 index 0000000000..a3378aa30e --- /dev/null +++ b/arch/arm/include/asm/arch-keystone/emif_defs.h @@ -0,0 +1,73 @@ +/* + * emif definitions to re-use davinci emif driver on Keystone2 + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, <www.ti.com> + * (C) Copyright 2007 Sergey Kubushyn <ksi@koi8.net> + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#ifndef _EMIF_DEFS_H_ +#define _EMIF_DEFS_H_ + +#include <asm/arch/hardware.h> + +struct davinci_emif_regs { + uint32_t ercsr; + uint32_t awccr; + uint32_t sdbcr; + uint32_t sdrcr; + uint32_t abncr[4]; + uint32_t sdtimr; + uint32_t ddrsr; + uint32_t ddrphycr; + uint32_t ddrphysr; + uint32_t totar; + uint32_t totactr; + uint32_t ddrphyid_rev; + uint32_t sdsretr; + uint32_t eirr; + uint32_t eimr; + uint32_t eimsr; + uint32_t eimcr; + uint32_t ioctrlr; + uint32_t iostatr; + uint32_t rsvd0; + uint32_t one_nand_cr; + uint32_t nandfcr; + uint32_t nandfsr; + uint32_t rsvd1[2]; + uint32_t nandfecc[4]; + uint32_t rsvd2[15]; + uint32_t nand4biteccload; + uint32_t nand4bitecc[4]; + uint32_t nanderradd1; + uint32_t nanderradd2; + uint32_t nanderrval1; + uint32_t nanderrval2; +}; + +#define davinci_emif_regs \ + ((struct davinci_emif_regs *)DAVINCI_ASYNC_EMIF_CNTRL_BASE) + +#define DAVINCI_NANDFCR_NAND_ENABLE(n) (1 << ((n) - 2)) +#define DAVINCI_NANDFCR_4BIT_ECC_SEL_MASK (3 << 4) +#define DAVINCI_NANDFCR_4BIT_ECC_SEL(n) (((n) - 2) << 4) +#define DAVINCI_NANDFCR_1BIT_ECC_START(n) (1 << (8 + ((n) - 2))) +#define DAVINCI_NANDFCR_4BIT_ECC_START (1 << 12) +#define DAVINCI_NANDFCR_4BIT_CALC_START (1 << 13) + +/* Chip Select setup */ +#define DAVINCI_ABCR_STROBE_SELECT (1 << 31) +#define DAVINCI_ABCR_EXT_WAIT (1 << 30) +#define DAVINCI_ABCR_WSETUP(n) ((n) << 26) +#define DAVINCI_ABCR_WSTROBE(n) ((n) << 20) +#define DAVINCI_ABCR_WHOLD(n) ((n) << 17) +#define DAVINCI_ABCR_RSETUP(n) ((n) << 13) +#define DAVINCI_ABCR_RSTROBE(n) ((n) << 7) +#define DAVINCI_ABCR_RHOLD(n) ((n) << 4) +#define DAVINCI_ABCR_TA(n) ((n) << 2) +#define DAVINCI_ABCR_ASIZE_16BIT 1 +#define DAVINCI_ABCR_ASIZE_8BIT 0 + +#endif |