Fixed bugs 3531290 and 3534819.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/stable_2.4.x@4302 35acf78f-673a-0410-8e92-d51de3d6d3f4

os/hal/platforms/STM32/mac_lld.c

@@ -48,7 +48,11 @@
 #define BUFFER_SIZE ((((STM32_MAC_BUFFERS_SIZE - 1) | 3) + 1) / 4)
 
 /* MII divider optimal value.*/
-#if (STM32_HCLK >= 60000000)
+#if (STM32_HCLK >= 150000000)
+#define MACMIIDR_CR ETH_MACMIIAR_CR_Div102
+#elif (STM32_HCLK >= 100000000)
+#define MACMIIDR_CR ETH_MACMIIAR_CR_Div62
+#elif (STM32_HCLK >= 60000000)
 #define MACMIIDR_CR     ETH_MACMIIAR_CR_Div42
 #elif (STM32_HCLK >= 35000000)
 #define MACMIIDR_CR     ETH_MACMIIAR_CR_Div26
@@ -268,6 +272,9 @@ void mac_lld_init(void) {
 #else
   /* PHY soft reset procedure.*/
   mii_write(&ETHD1, MII_BMCR, BMCR_RESET);
+#if defined(BOARD_PHY_RESET_DELAY)
+  halPolledDelay(BOARD_PHY_RESET_DELAY);
+#endif
   while (mii_read(&ETHD1, MII_BMCR) & BMCR_RESET)
     ;
 #endif

readme.txt

@@ -81,8 +81,12 @@
 *** 2.4.2 ***
 - FIX: Fixed wrong DMA channels on USART2 in STM32F10X_MD_VL devices (bug
   3536070).
+  
+- FIX: Fixed unreliable PHY initialization (bug 3534819)(backported to 2.4.2).
+
 - FIX: Fixed lwIP-related files missing from version 2.4.1 (bug 3533887).
 
+- FIX: Fixed wrong MAC divider setting in STM32 MAC driver (bug 3531290).
 - FIX: Fixed wrong MCO1 divider in STM32F2/F4 HAL (bug 3531289).
 - FIX: Fixed missing "break" in AVR PAL driver (bug 3530924).
 - FIX: Fixed timeout related race condition in STM32 I2C driver (bug 3530043).