switch to stlink, blinky

1 files changed, 44 insertions, 42 deletions

diff --git a/app/steth.c b/app/steth.c
index 2603725..ead4efd 100644
--- a/app/steth.c
+++ b/app/steth.c
@@ -2,10 +2,6 @@
 
 #include "steth.h"
 
-#define FUCKED
-
-static int fucked;
-
 
 #define AN_RETRY  6
 
@@ -86,13 +82,15 @@ static void phy_stat_reg (unsigned i)
   if (cur == last_phy[i]) return;
 
   printf ("  phy:%02x %4x (was %4x +%4x -%4x)\r\n",
-          i, (unsigned) cur, (unsigned) last_phy[i],
+          i,
+          (unsigned) cur, (unsigned) last_phy[i],
           (unsigned) ((last_phy[i] ^ cur) & cur),
           (unsigned) ((last_phy[i] ^ cur) & last_phy[i]));
 
   last_phy[i] = cur;
 }
 
+
 static void phy_stat (void)
 {
   unsigned i;
@@ -104,7 +102,7 @@ static void phy_stat (void)
 static bool
 phy_link_an_done (uint8_t phy)
 {
-  return eth_smi_read (PHY, PHY_REG_BSR) & PHY_REG_BSR_ANDONE;
+  return eth_smi_read (phy, PHY_REG_BSR) & PHY_REG_BSR_ANDONE;
 }
 
 
@@ -197,22 +195,9 @@ steth_lwip_init (struct netif *netif)
   return ERR_OK;
 }
 
-
-#ifdef FUCKED
-
-static void fucked_phy_reset (uint8_t phy)
-{
-  unsigned i;
-  eth_smi_write (phy, PHY_REG_BCR, PHY_REG_BCR_RESET);
-
-  for (i = 0; (eth_smi_read (phy, PHY_REG_BCR) & PHY_REG_BCR_RESET) && (i < 1000); ++i) delay_us (1000);
-
-}
-
-static void fucked_eth_init (uint8_t phy, enum eth_clk clock)
+static void my_eth_init (uint8_t phy, enum eth_clk clock)
 {
   ETH_MACMIIAR = clock;
-  fucked_phy_reset (phy);
 
   ETH_MACCR = ETH_MACCR_CSTF | ETH_MACCR_FES | ETH_MACCR_DM |
               ETH_MACCR_APCS | ETH_MACCR_RD;
@@ -227,7 +212,35 @@ static void fucked_eth_init (uint8_t phy, enum eth_clk clock)
                (32 << ETH_DMABMR_RDP_SHIFT) | (32 << ETH_DMABMR_PBL_SHIFT) |
                ETH_DMABMR_PM_2_1 | ETH_DMABMR_USP;
 }
-#endif
+
+
+
+static void phy_set_ignore_address (void)
+{
+  unsigned i;
+
+  i = 0;
+
+  while (eth_smi_read (PHY0, 0) == 0xffff) {
+    delay_us (1000);
+    i++;
+
+    if (i > 10) break;
+  }
+
+  eth_smi_write (PHY, 0x11, 0x8);
+
+  i = 0;
+
+  while (eth_smi_read (PHY1, 0) == 0xffff) {
+    delay_us (1000);
+    i++;
+
+    if (i > 10) break;
+  }
+
+  eth_smi_write (PHY1, 0x11, 0x8);
+}
 
 
 static void eth_reset (void)
@@ -237,21 +250,21 @@ static void eth_reset (void)
   printf ("Eth_reset()\r\n");
 
   rcc_periph_reset_hold (RST_ETHMAC);
-  delay_ms (1);
+  delay_us (1000);
 #ifndef SYSCFG_PMC_MII_RMII_SEL
 #define SYSCFG_PMC_MII_RMII_SEL (1UL << 23)
 #endif
 
   SYSCFG_PMC |= SYSCFG_PMC_MII_RMII_SEL;
-  delay_ms (1);
+  delay_us (1000);
   rcc_periph_reset_release (RST_ETHMAC);
 
 
-  delay_ms (1);
+  delay_us (1000);
   CLEAR (NRST);
   delay_us (1);
   SET (NRST);
-  delay_ms (1);
+  delay_us (1000);
 
   TRACE;
   ETH_DMABMR |= ETH_DMABMR_SR;
@@ -259,7 +272,7 @@ static void eth_reset (void)
   i = 0;
 
   while (ETH_DMABMR & ETH_DMABMR_SR) {
-    delay_ms (1);
+    delay_us (1000);
     i++;
 
     if (i > 1000) {
@@ -270,16 +283,9 @@ static void eth_reset (void)
 
   /*MDC = HCLK / 102 (0b100) => 1.6MHz */
   TRACE;
-#ifdef FUCKED
-  fucked_eth_init (PHY, ETH_CLK_150_168MHZ);
-#else
-  eth_init (PHY, ETH_CLK_150_168MHZ);
-#endif
 
-  if (eth_smi_read (PHY, 0) == 0xffff)  {
-    fucked = 1;
-    printf ("WARNING: PHY is AWOL\r\n");
-  }
+  my_eth_init (PHY, ETH_CLK_150_168MHZ);
+  phy_set_ignore_address();
 
   TRACE;
   phy_stat();
@@ -364,7 +370,7 @@ steth_init (void)
   eth_smi_write (PHY, PHY_REG_BCR, 0x2100);
   printf ("Waiting for link\r\n");
 
-  while (!phy_link_isup (PHY)) {
+  while (!phy_link_isup (phy)) {
     phy_stat();
     delay_ms (1000);
   }
@@ -373,12 +379,6 @@ steth_init (void)
 
   eth_start_an();
 
-  if (fucked) delay_ms (1000);
-
-
-
-  //
-  //eth_start();
   nvic_enable_irq (NVIC_ETH_IRQ);
 
 
@@ -389,11 +389,13 @@ steth_init (void)
 
 
 
+#if 0
 static void eth_stop (void)
 {
   ETH_MACCR &= (ETH_MACCR_TE & ETH_MACCR_RE);
   ETH_DMAOMR &= ~ (ETH_DMAOMR_FTF | ETH_DMAOMR_ST | ETH_DMAOMR_SR);
 }
+#endif
 
 void steth_slow_tick (void)
 {