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@@ -3,6 +3,10 @@
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#include "wm_mem.h"
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#include "wm_dma.h"
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#include "wm_cpu.h"
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+#include "stdio.h"
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+#include "string.h"
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+#include "wm_gpio_afsel.h"
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+#include "wm_pmu.h"
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#define TEST_DEBUG_EN 0
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#if TEST_DEBUG_EN
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@@ -143,10 +147,10 @@ begin:
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wm_sdh_send_cmd(41, 0xC0100000, 0xC4); //Send ACMD41
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sm_sdh_wait_interrupt(0, -1);
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- sm_sdh_wait_interrupt(3, 1000); //由于sd规范中，Acmd41返回的crc永远是11111，也就是应该忽略crc;这里的crc错误应该忽略。
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+ sm_sdh_wait_interrupt(3, 1000); //鐢变簬sd瑙勮寖涓�紝Acmd41杩斿洖鐨刢rc姘歌繙鏄�11111锛屼篃灏辨槸搴旇�蹇界暐crc;杩欓噷鐨刢rc閿欒�搴旇�蹇界暐銆�
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wm_sdh_get_response(respCmd, 2);
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sh_dumpBuffer("ACMD41 respCmd", (char *)respCmd, 5);
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- if((respCmd[1] & 0xFF) != 0x3F) //sd规范定义固定为0x3F,所以导致crc错误
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+ if((respCmd[1] & 0xFF) != 0x3F) //sd瑙勮寖瀹氫箟鍥哄畾涓�0x3F,鎵€浠ュ�鑷碿rc閿欒�
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goto end;
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if(respCmd[0] >> 31 & 0x1)
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{
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@@ -160,7 +164,7 @@ begin:
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sm_sdh_wait_interrupt(3, 1000);
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wm_sdh_get_response(respCmd, 4);
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sh_dumpBuffer("CMD2 respCmd", (char *)respCmd, 16);
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- if((respCmd[3] >> 24 & 0xFF) != 0x3F) //sd规范定义固定为0x3F,所以导致crc错误
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+ if((respCmd[3] >> 24 & 0xFF) != 0x3F) //sd瑙勮寖瀹氫箟鍥哄畾涓�0x3F,鎵€浠ュ�鑷碿rc閿欒�
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goto end;
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wm_sdh_send_cmd(3, 0, 0xC4); //Send CMD3
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sm_sdh_wait_interrupt(0, -1);
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@@ -182,7 +186,7 @@ static uint32_t SD_GetCapacity(uint8_t *csd, SD_CardInfo_t *SDCardInfo)
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uint16_t n;
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uint32_t csize;
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- if((csd[0]&0xC0)==0x40)//判断bit126是否为1
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+ if((csd[0]&0xC0)==0x40)//鍒ゆ柇bit126鏄�惁涓�1
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{
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SDCardInfo->CSDVer = 2;
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csize = csd[9] + ((uint32_t)csd[8] << 8) + ((uint32_t)(csd[7] & 63) << 16) + 1;
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@@ -215,7 +219,7 @@ int wm_sd_card_query_csd(uint32_t rca)
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for(i=0; i<16; i++) adjustResp[15-i] = SDIO_HOST->CMD_BUF[i];
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SD_GetCapacity((uint8_t*)&adjustResp[1], &SDCardInfo);
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sh_dumpBuffer("CMD9 respCmd", adjustResp, 16);
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- if((respCmd[3] >> 24 & 0xFF) != 0x3F) //sd规范定义固定为0x3F,所以导致crc错误
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+ if((respCmd[3] >> 24 & 0xFF) != 0x3F) //sd瑙勮寖瀹氫箟鍥哄畾涓�0x3F,鎵€浠ュ�鑷碿rc閿欒�
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goto end;
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ret = 0;
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end:
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@@ -756,14 +760,32 @@ end:
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return ret;
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}
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+static int sdio_init;
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+
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void sdio_spi_init(u32 fclk){
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+ if (sdio_init)
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+ return;
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+ sdio_init = 1;
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+ printf("sdio_spi_init %d\n", fclk);
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sdio_host_reset();
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+
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+ tls_io_cfg_set(WM_IO_PB_06, WM_IO_OPTION2);/*CK*/
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+ tls_io_cfg_set(WM_IO_PB_07, WM_IO_OPTION2);/*CMD*/
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+ // tls_io_cfg_set(WM_IO_PB_08, WM_IO_OPTION2);/*D0*/
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+ tls_open_peripheral_clock(TLS_PERIPHERAL_TYPE_SDIO_MASTER);
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+
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+ tls_bitband_write(HR_CLK_RST_CTL, 27, 0);
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+
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+ tls_bitband_write(HR_CLK_RST_CTL, 27, 1);
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+ while (tls_bitband_read(HR_CLK_RST_CTL, 27) == 0);
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+
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+
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tls_sys_clk sysclk;
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tls_sys_clk_get(&sysclk);
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SDIO_HOST->MMC_CARDSEL = 0xC0 | (sysclk.cpuclk / 2 - 1);
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- uint8_t ti= sysclk.cpuclk / 2 / fclk;
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- SDIO_HOST->MMC_CTL = 0x542 | (ti << 3);
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- SDIO_HOST->MMC_CTL = 0x542;
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+ // SDIO_HOST->MMC_CTL = 0xD3;//0x542;
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+ // SDIO_HOST->MMC_CTL = 0xD3;//0x542;
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+ SDIO_HOST->MMC_CTL = 0x502;//0x542;
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SDIO_HOST->MMC_INT_MASK = 0x100; // unmask sdio data interrupt.
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SDIO_HOST->MMC_CRCCTL = 0x00;
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SDIO_HOST->MMC_TIMEOUTCNT = 0;
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@@ -774,7 +796,72 @@ int sdio_spi_send(const u8 * buf, u32 len){
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if ((buf == NULL) || (len == 0)){
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return -1;
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}
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- if (len < 4) { // 直接传输，这样做的原因是DMA不能连续传输少于4个字节的数据
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+ // printf("sdio鍙戦€佹暟鎹� %p %d\n", buf, len);
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+ u32 tmp;
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+ size_t send_size = 0;
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+ while (len > 0)
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+ {
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+ tmp = 0;
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+ int t = len / 4;
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+ if (t == 0) { // 涓嶅�4涓�瓧鑺備簡
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+ send_size = len;
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+ }
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+ else {
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+ send_size = 4;
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+ }
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+ // else if (t > 0) {
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+ // send_size = 1 * 4;
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+ // }
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+ // else {
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+ // send_size = t * 4;
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+ // }
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+ memcpy((u8*)&tmp, buf, send_size);
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+ // if (len >= 4) {
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+ // memcpy(&tmp, buf, 4);
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+ // send_size = 4;
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+ // }
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+ // else {
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+ // // memcpy(&tmp, buf, len);
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+ // tmp = *buf;
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+ // send_size = len;
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+ // // printf("sdio鍙戦€佹暟鎹� %08X %d\n", tmp, send_size);
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+ // }
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+ // printf("sdio鍙戦€佹暟鎹� %08X %d\n", tmp[0], send_size);
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+ // if (send_size < 128) {
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+
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+ SDIO_HOST->BUF_CTL = 0x4820;
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+ SDIO_HOST->DATA_BUF[0] = tmp;
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+ // SDIO_HOST->CMD_BUF[0] = tmp;
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+ SDIO_HOST->MMC_BYTECNTL = send_size;
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+ SDIO_HOST->MMC_IO = 0x01;
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+ while (1) {
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+ if ((SDIO_HOST->MMC_IO & 0x01) == 0x00)
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+ break;
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+ }
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+ // }
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+ // else {
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+ // // u32 sendlen,txlen;
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+ // // txlen = len & 0xfffffffc; // 涓嶅�瀛楃殑鏈€鍚庡崟鐙�彂
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+ // // sendlen = txlen/4;
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+ // SDIO_HOST->BUF_CTL = 0x4000; //disable dma,
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+ // unsigned char sdio_spi_dma_channel = wm_sd_card_dma_config((u32 *) tmp, send_size / 4, 1);
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+ // SDIO_HOST->BUF_CTL = 0xC20; //enable dma, write sd card
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+ // SDIO_HOST->MMC_INT_SRC |= 0x7ff; // clear all firstly
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+ // SDIO_HOST->MMC_BYTECNTL = send_size;
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+ // SDIO_HOST->MMC_IO = 0x01;
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+ // while(1){
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+ // if ((SDIO_HOST->MMC_IO & 0x01) == 0x00)
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+ // break;
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+ // }
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+ // tls_dma_free(sdio_spi_dma_channel);
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+ // }
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+ len -= send_size;
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+ buf += send_size;
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+ // printf("done\n");
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+ }
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+
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+#if 0
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+ if (len < 4) { // 鐩存帴浼犺緭锛岃繖鏍峰仛鐨勫師鍥犳槸DMA涓嶈兘杩炵画浼犺緭灏戜簬4涓�瓧鑺傜殑鏁版嵁
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SDIO_HOST->BUF_CTL = 0x4820;
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SDIO_HOST->DATA_BUF[0] = *((u32 *)buf);
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SDIO_HOST->MMC_BYTECNTL = len;
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@@ -783,9 +870,9 @@ int sdio_spi_send(const u8 * buf, u32 len){
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if ((SDIO_HOST->MMC_IO & 0x01) == 0x00)
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break;
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}
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- } else { // DMA传输
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+ } else { // DMA浼犺緭
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u32 sendlen,txlen;
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- txlen = len & 0xfffffffc; // 不够字的最后单独发
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+ txlen = len & 0xfffffffc; // 涓嶅�瀛楃殑鏈€鍚庡崟鐙�彂
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sendlen = txlen/4;
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SDIO_HOST->BUF_CTL = 0x4000; //disable dma,
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unsigned char sdio_spi_dma_channel = wm_sd_card_dma_config((u32 *) buf, sendlen, 1);
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@@ -809,6 +896,7 @@ int sdio_spi_send(const u8 * buf, u32 len){
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}
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}
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}
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+#endif
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return 0;
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}
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Wendal Chen