diff options
Diffstat (limited to 'src/flash/mx3_nand.h')
-rw-r--r-- | src/flash/mx3_nand.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/src/flash/mx3_nand.h b/src/flash/mx3_nand.h new file mode 100644 index 00000000..2759fde3 --- /dev/null +++ b/src/flash/mx3_nand.h @@ -0,0 +1,90 @@ +#include <nand.h> + +#define MX3_NF_BASE_ADDR 0xb8000000 +#define MX3_NF_BUFSIZ (MX3_NF_BASE_ADDR + 0xe00) +#define MX3_NF_BUFADDR (MX3_NF_BASE_ADDR + 0xe04) +#define MX3_NF_FADDR (MX3_NF_BASE_ADDR + 0xe06) +#define MX3_NF_FCMD (MX3_NF_BASE_ADDR + 0xe08) +#define MX3_NF_BUFCFG (MX3_NF_BASE_ADDR + 0xe0a) +#define MX3_NF_ECCSTATUS (MX3_NF_BASE_ADDR + 0xe0c) +#define MX3_NF_ECCMAINPOS (MX3_NF_BASE_ADDR + 0xe0e) +#define MX3_NF_ECCSPAREPOS (MX3_NF_BASE_ADDR + 0xe10) +#define MX3_NF_FWP (MX3_NF_BASE_ADDR + 0xe12) +#define MX3_NF_LOCKSTART (MX3_NF_BASE_ADDR + 0xe14) +#define MX3_NF_LOCKEND (MX3_NF_BASE_ADDR + 0xe16) +#define MX3_NF_FWPSTATUS (MX3_NF_BASE_ADDR + 0xe18) + /* + * all bits not marked as self-clearing bit + */ +#define MX3_NF_CFG1 (MX3_NF_BASE_ADDR + 0xe1a) +#define MX3_NF_CFG2 (MX3_NF_BASE_ADDR + 0xe1c) + +#define MX3_NF_MAIN_BUFFER0 (MX3_NF_BASE_ADDR + 0x0000) +#define MX3_NF_MAIN_BUFFER1 (MX3_NF_BASE_ADDR + 0x0200) +#define MX3_NF_MAIN_BUFFER2 (MX3_NF_BASE_ADDR + 0x0400) +#define MX3_NF_MAIN_BUFFER3 (MX3_NF_BASE_ADDR + 0x0600) +#define MX3_NF_SPARE_BUFFER0 (MX3_NF_BASE_ADDR + 0x0800) +#define MX3_NF_SPARE_BUFFER1 (MX3_NF_BASE_ADDR + 0x0810) +#define MX3_NF_SPARE_BUFFER2 (MX3_NF_BASE_ADDR + 0x0820) +#define MX3_NF_SPARE_BUFFER3 (MX3_NF_BASE_ADDR + 0x0830) +#define MX3_NF_MAIN_BUFFER_LEN 512 +#define MX3_NF_SPARE_BUFFER_LEN 16 +#define MX3_NF_LAST_BUFFER_ADDR ((MX3_NF_SPARE_BUFFER3) + MX3_NF_SPARE_BUFFER_LEN - 2) + +/* bits in MX3_NF_CFG1 register */ +#define MX3_NF_BIT_SPARE_ONLY_EN (1<<2) +#define MX3_NF_BIT_ECC_EN (1<<3) +#define MX3_NF_BIT_INT_DIS (1<<4) +#define MX3_NF_BIT_BE_EN (1<<5) +#define MX3_NF_BIT_RESET_EN (1<<6) +#define MX3_NF_BIT_FORCE_CE (1<<7) + +/* bits in MX3_NF_CFG2 register */ + +/*Flash Command Input*/ +#define MX3_NF_BIT_OP_FCI (1<<0) + /* + * Flash Address Input + */ +#define MX3_NF_BIT_OP_FAI (1<<1) + /* + * Flash Data Input + */ +#define MX3_NF_BIT_OP_FDI (1<<2) + +/* see "enum mx_dataout_type" below */ +#define MX3_NF_BIT_DATAOUT_TYPE(x) ((x)<<3) +#define MX3_NF_BIT_OP_DONE (1<<15) + +#define MX3_CCM_CGR2 0x53f80028 +#define MX3_GPR 0x43fac008 +#define MX3_PCSR 0x53f8000c + +enum mx_dataout_type +{ + MX3_NF_DATAOUT_PAGE = 1, + MX3_NF_DATAOUT_NANDID = 2, + MX3_NF_DATAOUT_NANDSTATUS = 4, +}; +enum mx_nf_finalize_action +{ + MX3_NF_FIN_NONE, + MX3_NF_FIN_DATAOUT, +}; + +struct mx3_nf_flags +{ + unsigned host_little_endian:1; + unsigned target_little_endian:1; + unsigned nand_readonly:1; + unsigned one_kb_sram:1; + unsigned hw_ecc_enabled:1; +}; + +typedef struct mx3_nf_controller_s +{ + struct target_s *target; + enum mx_dataout_type optype; + enum mx_nf_finalize_action fin; + struct mx3_nf_flags flags; +} mx3_nf_controller_t; |