diff options
Diffstat (limited to 'src/flash/nand/mxc.h')
| -rw-r--r-- | src/flash/nand/mxc.h | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/src/flash/nand/mxc.h b/src/flash/nand/mxc.h new file mode 100644 index 00000000..b3a46b3a --- /dev/null +++ b/src/flash/nand/mxc.h @@ -0,0 +1,161 @@ + +/*************************************************************************** + * Copyright (C) 2009 by Alexei Babich * + * Rezonans plc., Chelyabinsk, Russia * + * impatt@mail.ru * + * * + * Copyright (C) 2011 by Erik Ahlen * + * Avalon Innovation, Sweden * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the * + * Free Software Foundation, Inc., * + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + ***************************************************************************/ + +/* + * Freescale iMX OpenOCD NAND Flash controller support. + * based on Freescale iMX2* and iMX3* OpenOCD NAND Flash controller support. + * + * Many thanks to Ben Dooks for writing s3c24xx driver. + */ + +#define MXC_NF_BUFSIZ (mxc_nf_info->mxc_regs_addr + 0x00) +#define MXC_NF_BUFADDR (mxc_nf_info->mxc_regs_addr + 0x04) +#define MXC_NF_FADDR (mxc_nf_info->mxc_regs_addr + 0x06) +#define MXC_NF_FCMD (mxc_nf_info->mxc_regs_addr + 0x08) +#define MXC_NF_BUFCFG (mxc_nf_info->mxc_regs_addr + 0x0a) +#define MXC_NF_ECCSTATUS (mxc_nf_info->mxc_regs_addr + 0x0c) +#define MXC_NF_ECCMAINPOS (mxc_nf_info->mxc_regs_addr + 0x0e) +#define MXC_NF_ECCSPAREPOS (mxc_nf_info->mxc_regs_addr + 0x10) +#define MXC_NF_FWP (mxc_nf_info->mxc_regs_addr + 0x12) +#define MXC_NF_V1_UNLOCKSTART (mxc_nf_info->mxc_regs_addr + 0x14) +#define MXC_NF_V1_UNLOCKEND (mxc_nf_info->mxc_regs_addr + 0x16) +#define MXC_NF_V2_UNLOCKSTART0 (mxc_nf_info->mxc_regs_addr + 0x20) +#define MXC_NF_V2_UNLOCKSTART1 (mxc_nf_info->mxc_regs_addr + 0x24) +#define MXC_NF_V2_UNLOCKSTART2 (mxc_nf_info->mxc_regs_addr + 0x28) +#define MXC_NF_V2_UNLOCKSTART3 (mxc_nf_info->mxc_regs_addr + 0x2c) +#define MXC_NF_V2_UNLOCKEND0 (mxc_nf_info->mxc_regs_addr + 0x22) +#define MXC_NF_V2_UNLOCKEND1 (mxc_nf_info->mxc_regs_addr + 0x26) +#define MXC_NF_V2_UNLOCKEND2 (mxc_nf_info->mxc_regs_addr + 0x2a) +#define MXC_NF_V2_UNLOCKEND3 (mxc_nf_info->mxc_regs_addr + 0x2e) +#define MXC_NF_FWPSTATUS (mxc_nf_info->mxc_regs_addr + 0x18) + /* + * all bits not marked as self-clearing bit + */ +#define MXC_NF_CFG1 (mxc_nf_info->mxc_regs_addr + 0x1a) +#define MXC_NF_CFG2 (mxc_nf_info->mxc_regs_addr + 0x1c) + +#define MXC_NF_MAIN_BUFFER0 (mxc_nf_info->mxc_base_addr + 0x0000) +#define MXC_NF_MAIN_BUFFER1 (mxc_nf_info->mxc_base_addr + 0x0200) +#define MXC_NF_MAIN_BUFFER2 (mxc_nf_info->mxc_base_addr + 0x0400) +#define MXC_NF_MAIN_BUFFER3 (mxc_nf_info->mxc_base_addr + 0x0600) +#define MXC_NF_V1_SPARE_BUFFER0 (mxc_nf_info->mxc_base_addr + 0x0800) +#define MXC_NF_V1_SPARE_BUFFER1 (mxc_nf_info->mxc_base_addr + 0x0810) +#define MXC_NF_V1_SPARE_BUFFER2 (mxc_nf_info->mxc_base_addr + 0x0820) +#define MXC_NF_V1_SPARE_BUFFER3 (mxc_nf_info->mxc_base_addr + 0x0830) +#define MXC_NF_V2_MAIN_BUFFER4 (mxc_nf_info->mxc_base_addr + 0x0800) +#define MXC_NF_V2_MAIN_BUFFER5 (mxc_nf_info->mxc_base_addr + 0x0a00) +#define MXC_NF_V2_MAIN_BUFFER6 (mxc_nf_info->mxc_base_addr + 0x0c00) +#define MXC_NF_V2_MAIN_BUFFER7 (mxc_nf_info->mxc_base_addr + 0x0e00) +#define MXC_NF_V2_SPARE_BUFFER0 (mxc_nf_info->mxc_base_addr + 0x1000) +#define MXC_NF_V2_SPARE_BUFFER1 (mxc_nf_info->mxc_base_addr + 0x1040) +#define MXC_NF_V2_SPARE_BUFFER2 (mxc_nf_info->mxc_base_addr + 0x1080) +#define MXC_NF_V2_SPARE_BUFFER3 (mxc_nf_info->mxc_base_addr + 0x10c0) +#define MXC_NF_V2_SPARE_BUFFER4 (mxc_nf_info->mxc_base_addr + 0x1100) +#define MXC_NF_V2_SPARE_BUFFER5 (mxc_nf_info->mxc_base_addr + 0x1140) +#define MXC_NF_V2_SPARE_BUFFER6 (mxc_nf_info->mxc_base_addr + 0x1180) +#define MXC_NF_V2_SPARE_BUFFER7 (mxc_nf_info->mxc_base_addr + 0x11c0) +#define MXC_NF_MAIN_BUFFER_LEN 512 +#define MXC_NF_SPARE_BUFFER_LEN 16 +#define MXC_NF_SPARE_BUFFER_MAX 64 +#define MXC_NF_V1_LAST_BUFFADDR ((MXC_NF_V1_SPARE_BUFFER3) + \ + MXC_NF_SPARE_BUFFER_LEN - 2) +#define MXC_NF_V2_LAST_BUFFADDR ((MXC_NF_V2_SPARE_BUFFER7) + \ + MXC_NF_SPARE_BUFFER_LEN - 2) + +/* bits in MXC_NF_CFG1 register */ +#define MXC_NF_BIT_ECC_4BIT (1<<0) +#define MXC_NF_BIT_SPARE_ONLY_EN (1<<2) +#define MXC_NF_BIT_ECC_EN (1<<3) +#define MXC_NF_BIT_INT_DIS (1<<4) +#define MXC_NF_BIT_BE_EN (1<<5) +#define MXC_NF_BIT_RESET_EN (1<<6) +#define MXC_NF_BIT_FORCE_CE (1<<7) +#define MXC_NF_V2_CFG1_PPB(x) (((x) & 0x3) << 9) + +/* bits in MXC_NF_CFG2 register */ + +/*Flash Command Input*/ +#define MXC_NF_BIT_OP_FCI (1<<0) + /* + * Flash Address Input + */ +#define MXC_NF_BIT_OP_FAI (1<<1) + /* + * Flash Data Input + */ +#define MXC_NF_BIT_OP_FDI (1<<2) + +/* see "enum mx_dataout_type" below */ +#define MXC_NF_BIT_DATAOUT_TYPE(x) ((x)<<3) +#define MXC_NF_BIT_OP_DONE (1<<15) + +#define MXC_CCM_CGR2 0x53f80028 +#define MXC_GPR 0x43fac008 +#define MX2_FMCR 0x10027814 +#define MX2_FMCR_NF_16BIT_SEL (1<<4) +#define MX2_FMCR_NF_FMS (1<<5) +#define MX3_PCSR 0x53f8000c +#define MX3_PCSR_NF_16BIT_SEL (1<<31) +#define MX3_PCSR_NF_FMS (1<<30) +#define MX35_RCSR 0x53f80018 +#define MX35_RCSR_NF_16BIT_SEL (1<<14) +#define MX35_RCSR_NF_FMS (1<<8) +#define MX35_RCSR_NF_4K (1<<9) + +enum mxc_version { + MXC_VERSION_UKWN = 0, + MXC_VERSION_MX27 = 1, + MXC_VERSION_MX31 = 2, + MXC_VERSION_MX35 = 4 +}; + +enum mxc_dataout_type { + MXC_NF_DATAOUT_PAGE = 1, + MXC_NF_DATAOUT_NANDID = 2, + MXC_NF_DATAOUT_NANDSTATUS = 4, +}; + +enum mxc_nf_finalize_action { + MXC_NF_FIN_NONE, + MXC_NF_FIN_DATAOUT, +}; + +struct mxc_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; + unsigned biswap_enabled:1; +}; + +struct mxc_nf_controller { + enum mxc_version mxc_version; + uint32_t mxc_base_addr; + uint32_t mxc_regs_addr; + enum mxc_dataout_type optype; + enum mxc_nf_finalize_action fin; + struct mxc_nf_flags flags; +}; |