ADD some documentation of changes

[proxmark3-svn] / bootrom / bootrom.c

diff --git a/bootrom/bootrom.c b/bootrom/bootrom.c
index 4437b9f2711287e3fac9a3afe3c53d02e602e722..26231b01541cefdb79d32fd26c60fd2b728ded57 100644 (file)
--- a/bootrom/bootrom.c
+++ b/bootrom/bootrom.c
@@ -49,8 +49,7 @@ static void ConfigClocks(void)
         PMC_MAIN_OSC_STARTUP_DELAY(8);
 
        // wait for main oscillator to stabilize
-       while ( !(AT91C_BASE_PMC->PMC_SR & AT91C_PMC_MOSCS) )
-               ;
+       while ( !(AT91C_BASE_PMC->PMC_SR & AT91C_PMC_MOSCS) ) {};
 
     // PLL output clock frequency in range  80 - 160 MHz needs CKGR_PLL = 00
     // PLL output clock frequency in range 150 - 180 MHz needs CKGR_PLL = 10
@@ -63,8 +62,7 @@ static void ConfigClocks(void)
                PMC_PLL_USB_DIVISOR(1);
 
        // wait for PLL to lock
-       while ( !(AT91C_BASE_PMC->PMC_SR & AT91C_PMC_LOCK) )
-               ;
+       while ( !(AT91C_BASE_PMC->PMC_SR & AT91C_PMC_LOCK) ) {};
 
        // we want a master clock (MCK) to be PLL clock / 2 = 96Mhz / 2 = 48Mhz
        // datasheet recommends that this register is programmed in two operations
@@ -72,15 +70,13 @@ static void ConfigClocks(void)
     AT91C_BASE_PMC->PMC_MCKR = AT91C_PMC_PRES_CLK_2;
 
        // wait for main clock ready signal
-       while ( !(AT91C_BASE_PMC->PMC_SR & AT91C_PMC_MCKRDY) )
-               ;
+       while ( !(AT91C_BASE_PMC->PMC_SR & AT91C_PMC_MCKRDY) ) {};
 
        // set the source to PLL
     AT91C_BASE_PMC->PMC_MCKR = AT91C_PMC_PRES_CLK_2 | AT91C_PMC_CSS_PLL_CLK;
 
        // wait for main clock ready signal
-       while ( !(AT91C_BASE_PMC->PMC_SR & AT91C_PMC_MCKRDY) )
-               ;
+       while ( !(AT91C_BASE_PMC->PMC_SR & AT91C_PMC_MCKRDY) ) {};
 }
 
 static void Fatal(void) {
@@ -199,8 +195,7 @@ static void flash_mode(int externally_entered)
        size_t rx_len;
 
        usb_enable();
-       for (volatile size_t i=0; i<0x100000; i++)
-               ;
+       for (volatile size_t i=0; i<0x100000; i++) {};
 
        for(;;) {
                WDT_HIT();
@@ -280,7 +275,11 @@ void BootROM(void)
        AT91C_BASE_EFC0->EFC_FMR =
                AT91C_MC_FWS_1FWS |
                MC_FLASH_MODE_MASTER_CLK_IN_MHZ(48);
-
+#ifdef HAS_512_FLASH
+       AT91C_BASE_EFC1->EFC_FMR =
+               AT91C_MC_FWS_1FWS |
+               MC_FLASH_MODE_MASTER_CLK_IN_MHZ(48);
+#endif 
     // Initialize all system clocks
     ConfigClocks();