mirror of
https://github.com/Rockbox/rockbox.git
synced 2025-12-09 05:05:20 -05:00
Ingenic Jz4740: remove some unneeded stuff and simplify SD driver (also thanks to Rafaël Carré)
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21621 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Maurus Cuelenaere
parent
10803a7480
commit
6dbf4cf827
2 changed files with 68 additions and 463 deletions
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@ -35,6 +35,7 @@
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static struct wakeup sd_wakeup;
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static long last_disk_activity = -1;
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static tCardInfo card;
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//#define SD_DMA_ENABLE
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#define SD_DMA_INTERRUPT 0
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@ -44,7 +45,7 @@ static long last_disk_activity = -1;
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#define SD_INSERT_STATUS() __gpio_get_pin(MMC_CD_PIN)
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#define SD_RESET() __msc_reset()
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#define SD_IRQ_MASK() \
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#define SD_IRQ_MASK() \
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do { \
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REG_MSC_IMASK = 0xffff; \
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REG_MSC_IREG = 0xffff; \
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@ -80,7 +81,6 @@ enum sd_result_t
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/* Standard MMC/SD clock speeds */
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#define MMC_CLOCK_SLOW 400000 /* 400 kHz for initial setup */
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#define MMC_CLOCK_FAST 20000000 /* 20 MHz for maximum for normal operation */
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#define SD_CLOCK_FAST 24000000 /* 24 MHz for SD Cards */
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#define SD_CLOCK_HIGH 48000000 /* 48 MHz for SD Cards */
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@ -164,115 +164,13 @@ struct sd_response_r1
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unsigned int status;
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};
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struct sd_cid
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{
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unsigned char mid;
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unsigned short oid;
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unsigned char pnm[7]; /* Product name (we null-terminate) */
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unsigned char prv;
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unsigned int psn;
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unsigned char mdt;
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};
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struct sd_csd
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{
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unsigned char csd_structure;
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unsigned char spec_vers;
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unsigned char taac;
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unsigned char nsac;
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unsigned char tran_speed;
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unsigned short ccc;
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unsigned char read_bl_len;
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unsigned char read_bl_partial;
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unsigned char write_blk_misalign;
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unsigned char read_blk_misalign;
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unsigned char dsr_imp;
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unsigned short c_size;
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unsigned char vdd_r_curr_min;
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unsigned char vdd_r_curr_max;
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unsigned char vdd_w_curr_min;
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unsigned char vdd_w_curr_max;
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unsigned char c_size_mult;
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union
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{
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struct /* MMC system specification version 3.1 */
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{
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unsigned char erase_grp_size;
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unsigned char erase_grp_mult;
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} v31;
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struct /* MMC system specification version 2.2 */
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{
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unsigned char sector_size;
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unsigned char erase_grp_size;
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} v22;
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} erase;
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unsigned char wp_grp_size;
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unsigned char wp_grp_enable;
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unsigned char default_ecc;
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unsigned char r2w_factor;
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unsigned char write_bl_len;
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unsigned char write_bl_partial;
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unsigned char file_format_grp;
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unsigned char copy;
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unsigned char perm_write_protect;
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unsigned char tmp_write_protect;
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unsigned char file_format;
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unsigned char ecc;
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};
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struct sd_response_r3
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{
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unsigned int ocr;
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};
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#define SD_VDD_145_150 0x00000001 /* VDD voltage 1.45 - 1.50 */
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#define SD_VDD_150_155 0x00000002 /* VDD voltage 1.50 - 1.55 */
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#define SD_VDD_155_160 0x00000004 /* VDD voltage 1.55 - 1.60 */
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#define SD_VDD_160_165 0x00000008 /* VDD voltage 1.60 - 1.65 */
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#define SD_VDD_165_170 0x00000010 /* VDD voltage 1.65 - 1.70 */
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#define SD_VDD_17_18 0x00000020 /* VDD voltage 1.7 - 1.8 */
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#define SD_VDD_18_19 0x00000040 /* VDD voltage 1.8 - 1.9 */
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#define SD_VDD_19_20 0x00000080 /* VDD voltage 1.9 - 2.0 */
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#define SD_VDD_20_21 0x00000100 /* VDD voltage 2.0 ~ 2.1 */
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#define SD_VDD_21_22 0x00000200 /* VDD voltage 2.1 ~ 2.2 */
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#define SD_VDD_22_23 0x00000400 /* VDD voltage 2.2 ~ 2.3 */
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#define SD_VDD_23_24 0x00000800 /* VDD voltage 2.3 ~ 2.4 */
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#define SD_VDD_24_25 0x00001000 /* VDD voltage 2.4 ~ 2.5 */
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#define SD_VDD_25_26 0x00002000 /* VDD voltage 2.5 ~ 2.6 */
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#define SD_VDD_26_27 0x00004000 /* VDD voltage 2.6 ~ 2.7 */
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#define SD_VDD_27_28 0x00008000 /* VDD voltage 2.7 ~ 2.8 */
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#define SD_VDD_28_29 0x00010000 /* VDD voltage 2.8 ~ 2.9 */
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#define SD_VDD_29_30 0x00020000 /* VDD voltage 2.9 ~ 3.0 */
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#define SD_VDD_30_31 0x00040000 /* VDD voltage 3.0 ~ 3.1 */
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#define SD_VDD_31_32 0x00080000 /* VDD voltage 3.1 ~ 3.2 */
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#define SD_VDD_32_33 0x00100000 /* VDD voltage 3.2 ~ 3.3 */
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#define SD_VDD_33_34 0x00200000 /* VDD voltage 3.3 ~ 3.4 */
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#define SD_VDD_34_35 0x00400000 /* VDD voltage 3.4 ~ 3.5 */
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#define SD_VDD_35_36 0x00800000 /* VDD voltage 3.5 ~ 3.6 */
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#define SD_CARD_BUSY 0x80000000 /* Card Power up status bit */
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/* CSD field definitions */
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#define CSD_STRUCT_VER_1_0 0 /* Valid for system specification 1.0 - 1.2 */
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#define CSD_STRUCT_VER_1_1 1 /* Valid for system specification 1.4 - 2.2 */
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#define CSD_STRUCT_VER_1_2 2 /* Valid for system specification 3.1 */
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#define CSD_SPEC_VER_0 0 /* Implements system specification 1.0 - 1.2 */
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#define CSD_SPEC_VER_1 1 /* Implements system specification 1.4 */
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#define CSD_SPEC_VER_2 2 /* Implements system specification 2.0 - 2.2 */
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#define CSD_SPEC_VER_3 3 /* Implements system specification 3.1 */
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/* the information structure of SD Card */
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typedef struct SD_INFO
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{
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int rca; /* RCA */
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struct sd_cid cid;
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struct sd_csd csd;
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unsigned int block_num;
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unsigned int block_len;
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unsigned int ocr;
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} sd_info;
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struct sd_request
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{
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int index; /* Slot index - used for CS lines */
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@ -304,7 +202,6 @@ struct sd_request
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static int use_4bit = 1; /* Use 4-bit data bus */
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static int num_6 = 0;
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static int sd2_0 = 0;
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static sd_info sdinfo;
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/**************************************************************************
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* Utility functions
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@ -317,197 +214,6 @@ static sd_info sdinfo;
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#define PARSE_U16(_buf,_index) \
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(((unsigned short)_buf[_index]) << 8) | ((unsigned short)_buf[_index+1]);
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int sd_unpack_csd(struct sd_request *request, struct sd_csd *csd)
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{
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unsigned char *buf = request->response;
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int num = 0;
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if (request->result)
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return request->result;
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csd->csd_structure = (buf[1] & 0xc0) >> 6;
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if (csd->csd_structure)
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sd2_0 = 1;
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else
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sd2_0 = 0;
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switch (csd->csd_structure) {
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case 0 :
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csd->taac = buf[2];
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csd->nsac = buf[3];
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csd->tran_speed = buf[4];
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csd->ccc = (((unsigned short)buf[5]) << 4) | ((buf[6] & 0xf0) >> 4);
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csd->read_bl_len = buf[6] & 0x0f;
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/* for support 2GB card*/
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if (csd->read_bl_len >= 10)
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{
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num = csd->read_bl_len - 9;
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csd->read_bl_len = 9;
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}
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csd->read_bl_partial = (buf[7] & 0x80) ? 1 : 0;
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csd->write_blk_misalign = (buf[7] & 0x40) ? 1 : 0;
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csd->read_blk_misalign = (buf[7] & 0x20) ? 1 : 0;
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csd->dsr_imp = (buf[7] & 0x10) ? 1 : 0;
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csd->c_size = ((((unsigned short)buf[7]) & 0x03) << 10) | (((unsigned short)buf[8]) << 2) | (((unsigned short)buf[9]) & 0xc0) >> 6;
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if (num)
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csd->c_size = csd->c_size << num;
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csd->vdd_r_curr_min = (buf[9] & 0x38) >> 3;
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csd->vdd_r_curr_max = buf[9] & 0x07;
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csd->vdd_w_curr_min = (buf[10] & 0xe0) >> 5;
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csd->vdd_w_curr_max = (buf[10] & 0x1c) >> 2;
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csd->c_size_mult = ((buf[10] & 0x03) << 1) | ((buf[11] & 0x80) >> 7);
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switch (csd->csd_structure) {
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case CSD_STRUCT_VER_1_0:
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case CSD_STRUCT_VER_1_1:
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csd->erase.v22.sector_size = (buf[11] & 0x7c) >> 2;
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csd->erase.v22.erase_grp_size = ((buf[11] & 0x03) << 3) | ((buf[12] & 0xe0) >> 5);
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break;
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case CSD_STRUCT_VER_1_2:
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default:
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csd->erase.v31.erase_grp_size = (buf[11] & 0x7c) >> 2;
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csd->erase.v31.erase_grp_mult = ((buf[11] & 0x03) << 3) | ((buf[12] & 0xe0) >> 5);
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break;
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}
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csd->wp_grp_size = buf[12] & 0x1f;
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csd->wp_grp_enable = (buf[13] & 0x80) ? 1 : 0;
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csd->default_ecc = (buf[13] & 0x60) >> 5;
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csd->r2w_factor = (buf[13] & 0x1c) >> 2;
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csd->write_bl_len = ((buf[13] & 0x03) << 2) | ((buf[14] & 0xc0) >> 6);
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if (csd->write_bl_len >= 10)
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csd->write_bl_len = 9;
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csd->write_bl_partial = (buf[14] & 0x20) ? 1 : 0;
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csd->file_format_grp = (buf[15] & 0x80) ? 1 : 0;
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csd->copy = (buf[15] & 0x40) ? 1 : 0;
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csd->perm_write_protect = (buf[15] & 0x20) ? 1 : 0;
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csd->tmp_write_protect = (buf[15] & 0x10) ? 1 : 0;
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csd->file_format = (buf[15] & 0x0c) >> 2;
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csd->ecc = buf[15] & 0x03;
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DEBUG("csd_structure=%d spec_vers=%d taac=%02x nsac=%02x tran_speed=%02x",
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csd->csd_structure, csd->spec_vers,
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csd->taac, csd->nsac, csd->tran_speed);
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DEBUG("ccc=%04x read_bl_len=%d read_bl_partial=%d write_blk_misalign=%d",
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csd->ccc, csd->read_bl_len,
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csd->read_bl_partial, csd->write_blk_misalign);
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DEBUG("read_blk_misalign=%d dsr_imp=%d c_size=%d vdd_r_curr_min=%d",
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csd->read_blk_misalign, csd->dsr_imp,
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csd->c_size, csd->vdd_r_curr_min);
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DEBUG("vdd_r_curr_max=%d vdd_w_curr_min=%d vdd_w_curr_max=%d c_size_mult=%d",
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csd->vdd_r_curr_max, csd->vdd_w_curr_min,
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csd->vdd_w_curr_max, csd->c_size_mult);
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DEBUG("wp_grp_size=%d wp_grp_enable=%d default_ecc=%d r2w_factor=%d",
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csd->wp_grp_size, csd->wp_grp_enable,
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csd->default_ecc, csd->r2w_factor);
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DEBUG("write_bl_len=%d write_bl_partial=%d file_format_grp=%d copy=%d",
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csd->write_bl_len, csd->write_bl_partial,
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csd->file_format_grp, csd->copy);
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DEBUG("perm_write_protect=%d tmp_write_protect=%d file_format=%d ecc=%d",
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csd->perm_write_protect, csd->tmp_write_protect,
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csd->file_format, csd->ecc);
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switch (csd->csd_structure) {
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case CSD_STRUCT_VER_1_0:
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case CSD_STRUCT_VER_1_1:
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DEBUG("V22 sector_size=%d erase_grp_size=%d",
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csd->erase.v22.sector_size,
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csd->erase.v22.erase_grp_size);
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break;
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case CSD_STRUCT_VER_1_2:
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default:
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DEBUG("V31 erase_grp_size=%d erase_grp_mult=%d",
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csd->erase.v31.erase_grp_size,
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csd->erase.v31.erase_grp_mult);
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break;
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}
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break;
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case 1 :
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csd->taac = 0;
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csd->nsac = 0;
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csd->tran_speed = buf[4];
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csd->ccc = (((unsigned short)buf[5]) << 4) | ((buf[6] & 0xf0) >> 4);
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csd->read_bl_len = 9;
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csd->read_bl_partial = 0;
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csd->write_blk_misalign = 0;
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csd->read_blk_misalign = 0;
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csd->dsr_imp = (buf[7] & 0x10) ? 1 : 0;
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csd->c_size = ((((unsigned short)buf[8]) & 0x3f) << 16) | (((unsigned short)buf[9]) << 8) | ((unsigned short)buf[10]) ;
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switch (csd->csd_structure) {
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case CSD_STRUCT_VER_1_0:
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case CSD_STRUCT_VER_1_1:
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csd->erase.v22.sector_size = 0x7f;
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csd->erase.v22.erase_grp_size = 0;
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break;
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case CSD_STRUCT_VER_1_2:
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default:
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csd->erase.v31.erase_grp_size = 0x7f;
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csd->erase.v31.erase_grp_mult = 0;
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break;
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}
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csd->wp_grp_size = 0;
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csd->wp_grp_enable = 0;
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csd->default_ecc = (buf[13] & 0x60) >> 5;
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csd->r2w_factor = 4;/* Unused */
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csd->write_bl_len = 9;
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csd->write_bl_partial = 0;
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csd->file_format_grp = 0;
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csd->copy = (buf[15] & 0x40) ? 1 : 0;
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csd->perm_write_protect = (buf[15] & 0x20) ? 1 : 0;
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csd->tmp_write_protect = (buf[15] & 0x10) ? 1 : 0;
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csd->file_format = 0;
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csd->ecc = buf[15] & 0x03;
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DEBUG("csd_structure=%d spec_vers=%d taac=%02x nsac=%02x tran_speed=%02x",
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csd->csd_structure, csd->spec_vers,
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csd->taac, csd->nsac, csd->tran_speed);
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DEBUG("ccc=%04x read_bl_len=%d read_bl_partial=%d write_blk_misalign=%d",
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csd->ccc, csd->read_bl_len,
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csd->read_bl_partial, csd->write_blk_misalign);
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DEBUG("read_blk_misalign=%d dsr_imp=%d c_size=%d vdd_r_curr_min=%d",
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csd->read_blk_misalign, csd->dsr_imp,
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csd->c_size, csd->vdd_r_curr_min);
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DEBUG("vdd_r_curr_max=%d vdd_w_curr_min=%d vdd_w_curr_max=%d c_size_mult=%d",
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csd->vdd_r_curr_max, csd->vdd_w_curr_min,
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csd->vdd_w_curr_max, csd->c_size_mult);
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DEBUG("wp_grp_size=%d wp_grp_enable=%d default_ecc=%d r2w_factor=%d",
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csd->wp_grp_size, csd->wp_grp_enable,
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csd->default_ecc, csd->r2w_factor);
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DEBUG("write_bl_len=%d write_bl_partial=%d file_format_grp=%d copy=%d",
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csd->write_bl_len, csd->write_bl_partial,
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csd->file_format_grp, csd->copy);
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DEBUG("perm_write_protect=%d tmp_write_protect=%d file_format=%d ecc=%d",
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csd->perm_write_protect, csd->tmp_write_protect,
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csd->file_format, csd->ecc);
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switch (csd->csd_structure) {
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case CSD_STRUCT_VER_1_0:
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case CSD_STRUCT_VER_1_1:
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DEBUG("V22 sector_size=%d erase_grp_size=%d",
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csd->erase.v22.sector_size,
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csd->erase.v22.erase_grp_size);
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break;
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case CSD_STRUCT_VER_1_2:
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default:
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DEBUG("V31 erase_grp_size=%d erase_grp_mult=%d",
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csd->erase.v31.erase_grp_size,
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csd->erase.v31.erase_grp_mult);
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break;
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}
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}
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if (buf[0] != 0x3f)
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return SD_ERROR_HEADER_MISMATCH;
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return 0;
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}
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int sd_unpack_r1(struct sd_request *request, struct sd_response_r1 *r1)
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{
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unsigned char *buf = request->response;
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@ -557,44 +263,20 @@ int sd_unpack_scr(struct sd_request *request, struct sd_response_r1 *r1, unsigne
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return sd_unpack_r1(request, r1);
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}
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int sd_unpack_r6(struct sd_request *request, struct sd_response_r1 *r1, int *rca)
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static inline int sd_unpack_r6(struct sd_request *request, struct sd_response_r1 *r1, unsigned long *rca)
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{
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unsigned char *buf = request->response;
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if (request->result) return request->result;
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if (request->result)
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return request->result;
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*rca = PARSE_U16(buf,1); /* Save RCA returned by the SD Card */
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*(buf+1) = 0;
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*(buf+2) = 0;
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return sd_unpack_r1(request, r1);
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}
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int sd_unpack_cid(struct sd_request *request, struct sd_cid *cid)
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||||
{
|
||||
unsigned char *buf = request->response;
|
||||
int i;
|
||||
|
||||
if (request->result) return request->result;
|
||||
|
||||
cid->mid = buf[1];
|
||||
cid->oid = PARSE_U16(buf,2);
|
||||
for (i = 0 ; i < 6 ; i++)
|
||||
cid->pnm[i] = buf[4+i];
|
||||
cid->pnm[6] = 0;
|
||||
cid->prv = buf[10];
|
||||
cid->psn = PARSE_U32(buf,11);
|
||||
cid->mdt = buf[15];
|
||||
*rca = PARSE_U16(buf,1); /* Save RCA returned by the SD Card */
|
||||
|
||||
DEBUG("sd_unpack_cid: mid=%d oid=%d pnm=%s prv=%d.%d psn=%08x mdt=%d/%d",
|
||||
cid->mid, cid->oid, cid->pnm,
|
||||
(cid->prv>>4), (cid->prv&0xf),
|
||||
cid->psn, (cid->mdt>>4), (cid->mdt&0xf)+1997);
|
||||
|
||||
if (buf[0] != 0x3f) return SD_ERROR_HEADER_MISMATCH;
|
||||
return 0;
|
||||
}
|
||||
*(buf+1) = 0;
|
||||
*(buf+2) = 0;
|
||||
|
||||
return sd_unpack_r1(request, r1);
|
||||
}
|
||||
|
||||
int sd_unpack_r3(struct sd_request *request, struct sd_response_r3 *r3)
|
||||
{
|
||||
|
|
@ -918,10 +600,10 @@ static int jz_sd_transmit_data(struct sd_request *req)
|
|||
}
|
||||
#endif
|
||||
|
||||
static inline unsigned int jz_sd_calc_clkrt(int is_sd, unsigned int rate)
|
||||
static inline unsigned int jz_sd_calc_clkrt(unsigned int rate)
|
||||
{
|
||||
unsigned int clkrt;
|
||||
unsigned int clk_src = is_sd ? (sd2_0 ? 48000000 : 24000000) : 20000000;
|
||||
unsigned int clk_src = sd2_0 ? SD_CLOCK_HIGH : SD_CLOCK_FAST;
|
||||
|
||||
clkrt = 0;
|
||||
while (rate < clk_src)
|
||||
|
|
@ -932,31 +614,28 @@ static inline unsigned int jz_sd_calc_clkrt(int is_sd, unsigned int rate)
|
|||
return clkrt;
|
||||
}
|
||||
|
||||
/* Set the MMC clock frequency */
|
||||
static void jz_sd_set_clock(int sd, unsigned int rate)
|
||||
static inline void cpm_select_msc_clk(unsigned int rate)
|
||||
{
|
||||
int clkrt = 0;
|
||||
unsigned int div = __cpm_get_pllout2() / rate;
|
||||
|
||||
sd = sd ? 1 : 0;
|
||||
REG_CPM_MSCCDR = div - 1;
|
||||
}
|
||||
|
||||
/* Set the MMC clock frequency */
|
||||
static void jz_sd_set_clock(unsigned int rate)
|
||||
{
|
||||
int clkrt;
|
||||
|
||||
jz_sd_stop_clock();
|
||||
|
||||
if (sd2_0)
|
||||
{
|
||||
__cpm_select_msc_hs_clk(sd); /* select clock source from CPM */
|
||||
REG_CPM_CPCCR |= CPM_CPCCR_CE;
|
||||
clkrt = jz_sd_calc_clkrt(sd, rate);
|
||||
REG_MSC_CLKRT = clkrt;
|
||||
}
|
||||
else
|
||||
{
|
||||
__cpm_select_msc_clk(sd); /* select clock source from CPM */
|
||||
REG_CPM_CPCCR |= CPM_CPCCR_CE;
|
||||
clkrt = jz_sd_calc_clkrt(sd, rate);
|
||||
REG_MSC_CLKRT = clkrt;
|
||||
}
|
||||
|
||||
DEBUG("set clock to %u Hz is_sd=%d clkrt=%d", rate, sd, clkrt);
|
||||
/* select clock source from CPM */
|
||||
cpm_select_msc_clk(rate);
|
||||
|
||||
REG_CPM_CPCCR |= CPM_CPCCR_CE;
|
||||
clkrt = jz_sd_calc_clkrt(rate);
|
||||
REG_MSC_CLKRT = clkrt;
|
||||
|
||||
DEBUG("set clock to %u Hz clkrt=%d", rate, clkrt);
|
||||
}
|
||||
|
||||
/********************************************************************************************************************
|
||||
|
|
@ -981,7 +660,7 @@ static int jz_sd_exec_cmd(struct sd_request *request)
|
|||
__msc_reset();
|
||||
|
||||
/* On reset, drop SD clock down */
|
||||
jz_sd_set_clock(1, MMC_CLOCK_SLOW);
|
||||
jz_sd_set_clock(MMC_CLOCK_SLOW);
|
||||
|
||||
/* On reset, stop SD clock */
|
||||
jz_sd_stop_clock();
|
||||
|
|
@ -1318,49 +997,6 @@ static void sd_simple_cmd(struct sd_request *request, int cmd, unsigned int arg,
|
|||
sd_send_cmd(request, cmd, arg, 0, 0, rtype, NULL);
|
||||
}
|
||||
|
||||
#define KBPS 1
|
||||
#define MBPS 1000
|
||||
static unsigned int ts_exp[] = { 100*KBPS, 1*MBPS, 10*MBPS, 100*MBPS, 0, 0, 0, 0 };
|
||||
static unsigned int ts_mul[] = { 0, 1000, 1200, 1300, 1500, 2000, 2500, 3000,
|
||||
3500, 4000, 4500, 5000, 5500, 6000, 7000, 8000 };
|
||||
|
||||
unsigned int sd_tran_speed(unsigned char ts)
|
||||
{
|
||||
unsigned int rate = ts_exp[(ts & 0x7)] * ts_mul[(ts & 0x78) >> 3];
|
||||
|
||||
if (rate <= 0)
|
||||
{
|
||||
DEBUG("sd_tran_speed: error - unrecognized speed 0x%02x", ts);
|
||||
return 1;
|
||||
}
|
||||
|
||||
return rate;
|
||||
}
|
||||
|
||||
static void sd_configure_card(void)
|
||||
{
|
||||
unsigned int rate;
|
||||
|
||||
/* Get card info */
|
||||
if (sd2_0)
|
||||
sdinfo.block_num = (sdinfo.csd.c_size + 1) << 10;
|
||||
else
|
||||
sdinfo.block_num = (sdinfo.csd.c_size + 1) * (1 << (sdinfo.csd.c_size_mult + 2));
|
||||
|
||||
sdinfo.block_len = 1 << sdinfo.csd.read_bl_len;
|
||||
|
||||
/* Fix the clock rate */
|
||||
rate = sd_tran_speed(sdinfo.csd.tran_speed);
|
||||
if (rate < MMC_CLOCK_SLOW)
|
||||
rate = MMC_CLOCK_SLOW;
|
||||
if (rate > SD_CLOCK_FAST)
|
||||
rate = SD_CLOCK_FAST;
|
||||
|
||||
DEBUG("sd_configure_card: block_len=%d block_num=%d rate=%d", sdinfo.block_len, sdinfo.block_num, rate);
|
||||
|
||||
jz_sd_set_clock(1, rate);
|
||||
}
|
||||
|
||||
#define SD_INIT_DOING 0
|
||||
#define SD_INIT_PASSED 1
|
||||
#define SD_INIT_FAILED 2
|
||||
|
|
@ -1369,9 +1005,7 @@ static int sd_init_card_state(struct sd_request *request)
|
|||
{
|
||||
struct sd_response_r1 r1;
|
||||
struct sd_response_r3 r3;
|
||||
int retval;
|
||||
int ocr = 0x40300000;
|
||||
int limit_41 = 0;
|
||||
int retval, i, ocr = 0x40300000, limit_41 = 0;
|
||||
|
||||
switch (request->cmd)
|
||||
{
|
||||
|
|
@ -1409,7 +1043,7 @@ static int sd_init_card_state(struct sd_request *request)
|
|||
}
|
||||
|
||||
DEBUG("sd_init_card_state: read ocr value = 0x%08x", r3.ocr);
|
||||
sdinfo.ocr = r3.ocr;
|
||||
card.ocr = r3.ocr;
|
||||
|
||||
if(!(r3.ocr & SD_CARD_BUSY || ocr == 0)){
|
||||
udelay(10000);
|
||||
|
|
@ -1423,21 +1057,18 @@ static int sd_init_card_state(struct sd_request *request)
|
|||
}
|
||||
break;
|
||||
|
||||
case SD_ALL_SEND_CID:
|
||||
retval = sd_unpack_cid( request, &sdinfo.cid );
|
||||
|
||||
if ( retval && (retval != SD_ERROR_CRC)) {
|
||||
DEBUG("sd_init_card_state: unable to ALL_SEND_CID error=%d",
|
||||
retval);
|
||||
return SD_INIT_FAILED;
|
||||
}
|
||||
case SD_ALL_SEND_CID:
|
||||
for(i=0; i<4; i++)
|
||||
card.cid[i] = ((request->response[1+i*4]<<24) | (request->response[2+i*4]<<16) |
|
||||
(request->response[3+i*4]<< 8) | request->response[4+i*4]);
|
||||
|
||||
logf("CID: %08lx%08lx%08lx%08lx", card.cid[0], card.cid[1], card.cid[2], card.cid[3]);
|
||||
sd_simple_cmd(request, SD_SEND_RELATIVE_ADDR, 0, RESPONSE_R6);
|
||||
break;
|
||||
|
||||
case SD_SEND_RELATIVE_ADDR:
|
||||
retval = sd_unpack_r6(request, &r1, &sdinfo.rca);
|
||||
sdinfo.rca = sdinfo.rca << 16;
|
||||
DEBUG("sd_init_card_state: Get RCA from SD: 0x%04x Status: %x", sdinfo.rca, r1.status);
|
||||
retval = sd_unpack_r6(request, &r1, &card.rca);
|
||||
card.rca = card.rca << 16;
|
||||
DEBUG("sd_init_card_state: Get RCA from SD: 0x%04x Status: %x", card.rca, r1.status);
|
||||
if (retval)
|
||||
{
|
||||
DEBUG("sd_init_card_state: unable to SET_RELATIVE_ADDR error=%d",
|
||||
|
|
@ -1445,24 +1076,21 @@ static int sd_init_card_state(struct sd_request *request)
|
|||
return SD_INIT_FAILED;
|
||||
}
|
||||
|
||||
sd_simple_cmd(request, SD_SEND_CSD, sdinfo.rca, RESPONSE_R2_CSD);
|
||||
sd_simple_cmd(request, SD_SEND_CSD, card.rca, RESPONSE_R2_CSD);
|
||||
break;
|
||||
|
||||
case SD_SEND_CSD:
|
||||
retval = sd_unpack_csd(request, &sdinfo.csd);
|
||||
|
||||
case SD_SEND_CSD:
|
||||
for(i=0; i<4; i++)
|
||||
card.csd[i] = ((request->response[1+i*4]<<24) | (request->response[2+i*4]<<16) |
|
||||
(request->response[3+i*4]<< 8) | request->response[4+i*4]);
|
||||
|
||||
sd_parse_csd(&card);
|
||||
sd2_0 = (card_extract_bits(card.csd, 127, 2) == 1);
|
||||
|
||||
logf("CSD: %08lx%08lx%08lx%08lx", card.csd[0], card.csd[1], card.csd[2], card.csd[3]);
|
||||
DEBUG("SD card is ready");
|
||||
|
||||
/*FIXME:ignore CRC error for CMD2/CMD9/CMD10 */
|
||||
if (retval && (retval != SD_ERROR_CRC))
|
||||
{
|
||||
DEBUG("sd_init_card_state: unable to SEND_CSD error=%d",
|
||||
retval);
|
||||
return SD_INIT_FAILED;
|
||||
}
|
||||
sd_configure_card();
|
||||
jz_sd_set_clock(SD_CLOCK_FAST);
|
||||
return SD_INIT_PASSED;
|
||||
|
||||
default:
|
||||
DEBUG("sd_init_card_state: error! Illegal last cmd %d", request->cmd);
|
||||
return SD_INIT_FAILED;
|
||||
|
|
@ -1471,7 +1099,7 @@ static int sd_init_card_state(struct sd_request *request)
|
|||
return SD_INIT_DOING;
|
||||
}
|
||||
|
||||
static int sd_sd_switch(struct sd_request *request, int mode, int group,
|
||||
static int sd_switch(struct sd_request *request, int mode, int group,
|
||||
unsigned char value, unsigned char * resp)
|
||||
{
|
||||
unsigned int arg;
|
||||
|
|
@ -1494,7 +1122,7 @@ static int sd_read_switch(struct sd_request *request)
|
|||
unsigned int status[64 / 4];
|
||||
|
||||
memset((unsigned char *)status, 0, 64);
|
||||
sd_sd_switch(request, 0, 0, 1, (unsigned char*) status);
|
||||
sd_switch(request, 0, 0, 1, (unsigned char*) status);
|
||||
|
||||
if (((unsigned char *)status)[13] & 0x02)
|
||||
return 0;
|
||||
|
|
@ -1509,7 +1137,7 @@ static int sd_switch_hs(struct sd_request *request)
|
|||
{
|
||||
unsigned int status[64 / 4];
|
||||
|
||||
sd_sd_switch(request, 1, 0, 1, (unsigned char*) status);
|
||||
sd_switch(request, 1, 0, 1, (unsigned char*) status);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
@ -1519,7 +1147,7 @@ int sd_select_card(void)
|
|||
struct sd_response_r1 r1;
|
||||
int retval;
|
||||
|
||||
sd_simple_cmd(&request, SD_SELECT_CARD, sdinfo.rca,
|
||||
sd_simple_cmd(&request, SD_SELECT_CARD, card.rca,
|
||||
RESPONSE_R1B);
|
||||
retval = sd_unpack_r1(&request, &r1);
|
||||
if (retval)
|
||||
|
|
@ -1531,11 +1159,11 @@ int sd_select_card(void)
|
|||
if (!retval)
|
||||
{
|
||||
sd_switch_hs(&request);
|
||||
jz_sd_set_clock(1, SD_CLOCK_HIGH);
|
||||
jz_sd_set_clock(SD_CLOCK_HIGH);
|
||||
}
|
||||
}
|
||||
num_6 = 3;
|
||||
sd_simple_cmd(&request, SD_APP_CMD, sdinfo.rca,
|
||||
sd_simple_cmd(&request, SD_APP_CMD, card.rca,
|
||||
RESPONSE_R1);
|
||||
retval = sd_unpack_r1(&request, &r1);
|
||||
if (retval)
|
||||
|
|
@ -1591,34 +1219,9 @@ void card_enable_monitoring_target(bool on)
|
|||
}
|
||||
#endif
|
||||
|
||||
/* TODO */
|
||||
tCardInfo* card_get_info_target(int card_no)
|
||||
{
|
||||
(void)card_no;
|
||||
int i, temp;
|
||||
static tCardInfo card;
|
||||
|
||||
static const unsigned char sd_mantissa[] = { /* *10 */
|
||||
0, 10, 12, 13, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 70, 80 };
|
||||
static const unsigned int sd_exponent[] = { /* use varies */
|
||||
1,10,100,1000,10000,100000,1000000,10000000,100000000,1000000000 };
|
||||
|
||||
card.initialized = true;
|
||||
card.ocr = sdinfo.ocr;
|
||||
for(i=0; i<4; i++)
|
||||
card.csd[i] = ((unsigned long*)&sdinfo.csd)[i];
|
||||
for(i=0; i<4; i++)
|
||||
card.cid[i] = ((unsigned long*)&sdinfo.cid)[i];
|
||||
temp = card_extract_bits(card.csd, 98, 3);
|
||||
card.speed = sd_mantissa[card_extract_bits(card.csd, 102, 4)]
|
||||
* sd_exponent[temp > 2 ? 7 : temp + 4];
|
||||
card.nsac = 100 * card_extract_bits(card.csd, 111, 8);
|
||||
temp = card_extract_bits(card.csd, 114, 3);
|
||||
card.taac = sd_mantissa[card_extract_bits(card.csd, 118, 4)]
|
||||
* sd_exponent[temp] / 10;
|
||||
card.numblocks = sdinfo.block_num;
|
||||
card.blocksize = sdinfo.block_len;
|
||||
|
||||
return &card;
|
||||
}
|
||||
|
||||
|
|
@ -1633,10 +1236,10 @@ int sd_read_sectors(IF_MV2(int drive,) unsigned long start, int count, void* buf
|
|||
struct sd_response_r1 r1;
|
||||
int retval;
|
||||
|
||||
if (!card_detect_target() || count == 0 || start > sdinfo.block_num)
|
||||
if (!card_detect_target() || count == 0 || start > card.numblocks)
|
||||
return -1;
|
||||
|
||||
sd_simple_cmd(&request, SD_SEND_STATUS, sdinfo.rca, RESPONSE_R1);
|
||||
sd_simple_cmd(&request, SD_SEND_STATUS, card.rca, RESPONSE_R1);
|
||||
retval = sd_unpack_r1(&request, &r1);
|
||||
if (retval && (retval != SD_ERROR_STATE_MISMATCH))
|
||||
return retval;
|
||||
|
|
@ -1683,10 +1286,10 @@ int sd_write_sectors(IF_MV2(int drive,) unsigned long start, int count, const vo
|
|||
struct sd_response_r1 r1;
|
||||
int retval;
|
||||
|
||||
if (!card_detect_target() || count == 0 || start > sdinfo.block_num)
|
||||
if (!card_detect_target() || count == 0 || start > card.numblocks)
|
||||
return -1;
|
||||
|
||||
sd_simple_cmd(&request, SD_SEND_STATUS, sdinfo.rca, RESPONSE_R1);
|
||||
sd_simple_cmd(&request, SD_SEND_STATUS, card.rca, RESPONSE_R1);
|
||||
retval = sd_unpack_r1(&request, &r1);
|
||||
if (retval && (retval != SD_ERROR_STATE_MISMATCH))
|
||||
return retval;
|
||||
|
|
@ -1741,5 +1344,5 @@ bool sd_present(IF_MV_NONVOID(int drive))
|
|||
#ifdef HAVE_MULTIVOLUME
|
||||
(void)drive;
|
||||
#endif
|
||||
return (sdinfo.block_num > 0 && card_detect_target());
|
||||
return (card.numblocks > 0 && card_detect_target());
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue