software/libbase/bios: rename spi.c/h to spisdcard.h, also rename functions.

litex/soc/software/bios/boot.c

@@ -489,10 +489,10 @@ void romboot(void)
 #endif
 
 // SPI HARDWARE BITBANG
-#ifdef CSR_SPI_BASE
-#include <spi.h>
+#ifdef CSR_SPISDCARD_BASE
+#include <spisdcard.h>
 
-void spisdboot(void)
+void spisdcardboot(void)
 {
     printf("SD Card via SPI Initialising\n");
     if(spi_sdcard_goidle() == 0) {

litex/soc/software/bios/boot.h

@@ -6,8 +6,8 @@ void netboot(void);
 void flashboot(void);
 void romboot(void);
 
-#ifdef CSR_SPI_BASE
-void spisdboot(void);
+#ifdef CSR_SPISDCARD_BASE
+void spisdcardboot(void);
 #endif
 
 #endif /* __BOOT_H */

litex/soc/software/bios/main.c

@@ -395,8 +395,8 @@ static void help(void)
 	puts("sdram_mpr                       - read SDRAM MPR");
 	puts("sdram_mrwr reg value            - write SDRAM mode registers");
 #endif
-#ifdef CSR_SPI_BASE
-        puts("spisdboot   - boot from SDCard via SPI hardware bitbang");
+#ifdef CSR_SPISDCARD_BASE
+        puts("spisdcardboot   - boot from SDCard via SPI hardware bitbang");
 #endif
 }
 
@@ -507,8 +507,8 @@ static void do_command(char *c)
 		sdrhw();
 	}
 #endif
-#ifdef CSR_SPI_BASE
-        else if(strcmp(token, "spisdboot") == 0) spisdboot();
+#ifdef CSR_SPISDCARD_BASE
+        else if(strcmp(token, "spisdcardboot") == 0) spisdcardboot();
 #endif
 
 	else if(strcmp(token, "") != 0)

litex/soc/software/libbase/Makefile

@@ -2,7 +2,7 @@ include ../include/generated/variables.mak
 include $(SOC_DIRECTORY)/software/common.mak
 
 OBJECTS=exception.o libc.o errno.o crc16.o crc32.o console.o \
-	system.o id.o uart.o time.o qsort.o strtod.o spiflash.o spi.o strcasecmp.o mdio.o
+	system.o id.o uart.o time.o qsort.o strtod.o spiflash.o spisdcard.o strcasecmp.o mdio.o
 
 all: crt0-$(CPU)-ctr.o crt0-$(CPU)-xip.o libbase.a libbase-nofloat.a
 

litex/soc/software/libbase/spisdcard.c

@@ -20,9 +20,9 @@
 #include <time.h>
 #include <string.h>
 
-#ifdef CSR_SPI_BASE
+#ifdef CSR_SPISDCARD_BASE
 // Import prototypes for the functions
-#include <spi.h>
+#include <spisdcard.h>
 
 // SPI
 //      cs line - high to indicate DESELECT
@@ -57,14 +57,14 @@ void spi_write_byte(unsigned char char_to_send)
 {
     // Place data into MOSI register
     // Pulse the START bit and set LENGTH=8
-    spi_mosi_write(char_to_send);
-    spi_control_write(ONEBYTE | SPI_START);
+    spisdcard_mosi_write(char_to_send);
+    spisdcard_control_write(ONEBYTE | SPI_START);
 
     // Wait for DONE
-    while( (spi_status_read() != SPI_DONE)) {}
+    while( (spisdcard_status_read() != SPI_DONE)) {}
 
     // Signal end of transfer
-    spi_control_write( 0x00 );
+    spisdcard_control_write( 0x00 );
 }
 
 
@@ -86,13 +86,13 @@ unsigned char spi_read_rbyte(void)
     unsigned char r=0;
 
     // Check if MISO is 0x0xxxxxxx as MSB=0 indicates valid response
-    r = spi_miso_read();
+    r = spisdcard_miso_read();
     while( ((r&0x80)!=0) && timeout>0) {
-        spi_mosi_write( 0xff );
-        spi_control_write(ONEBYTE | SPI_START);
-        while( (spi_status_read() != SPI_DONE)) {}
-        r = spi_miso_read();
-        spi_control_write( 0x00 );
+        spisdcard_mosi_write( 0xff );
+        spisdcard_control_write(ONEBYTE | SPI_START);
+        while( (spisdcard_status_read() != SPI_DONE)) {}
+        r = spisdcard_miso_read();
+        spisdcard_control_write( 0x00 );
         timeout--;
     }
 
@@ -119,7 +119,7 @@ unsigned char spi_read_byte(void)
     unsigned char r=0;
 
     spi_write_byte( 0xff );
-    r = spi_miso_read();
+    r = spisdcard_miso_read();
 
     return r;
 }
@@ -142,13 +142,13 @@ unsigned char spi_setspimode(void)
     // Send pulses
      do {
         // set CS HIGH and send pulses
-        spi_cs_write(CS_HIGH);
+        spisdcard_cs_write(CS_HIGH);
          for (i=0; i<10; i++) {
             spi_write_byte( 0xff );
         }
 
         // set CS LOW and send pulses
-        spi_cs_write(CS_LOW);
+        spisdcard_cs_write(CS_LOW);
         r = spi_read_rbyte();
 
         timeout--;