Add support for eTSEC 3 & 4 on 8548 CDS

* Added support for using eTSEC 3 and eTSEC 4 on the 8548 CDS.
  This will only work on rev 1.3 boards (but doesn't break older boards)
* Cleaned up some comments to reflect the expanded role of tsec
  in other systems

diff --git a/board/cds/mpc8548cds/mpc8548cds.c b/board/cds/mpc8548cds/mpc8548cds.c
index 6eedb4a2095c8e36ad4eb57e98713e131f127123..66219e395b18b08eefe16a300ae4720e8e35a4e0 100644 (file)
--- a/board/cds/mpc8548cds/mpc8548cds.c
+++ b/board/cds/mpc8548cds/mpc8548cds.c
@@ -27,6 +27,7 @@
 #include <asm/processor.h>
 #include <asm/immap_85xx.h>
 #include <spd.h>
+#include <miiphy.h>
 
 #include "../common/cadmus.h"
 #include "../common/eeprom.h"
@@ -327,3 +328,34 @@ pci_init_board(void)
        pci_mpc85xx_init(&hose);
 #endif
 }
+
+int last_stage_init(void)
+{
+       unsigned int temp;
+
+       /* Change the resistors for the PHY */
+       /* This is needed to get the RGMII working for the 1.3+
+        * CDS cards */
+       if (get_board_version() ==  0x13) {
+               miiphy_write(CONFIG_MPC85XX_TSEC1_NAME,
+                               TSEC1_PHY_ADDR, 29, 18);
+
+               miiphy_read(CONFIG_MPC85XX_TSEC1_NAME,
+                               TSEC1_PHY_ADDR, 30, &temp);
+
+               temp = (temp & 0xf03f);
+               temp |= 2 << 9;         /* 36 ohm */
+               temp |= 2 << 6;         /* 39 ohm */
+
+               miiphy_write(CONFIG_MPC85XX_TSEC1_NAME,
+                               TSEC1_PHY_ADDR, 30, temp);
+
+               miiphy_write(CONFIG_MPC85XX_TSEC1_NAME,
+                               TSEC1_PHY_ADDR, 29, 3);
+
+               miiphy_write(CONFIG_MPC85XX_TSEC1_NAME,
+                               TSEC1_PHY_ADDR, 30, 0x8000);
+       }
+
+       return 0;
+}

diff --git a/drivers/tsec.c b/drivers/tsec.c
index 7ec565ca67bf9b3a8c226888c4122b485c72517e..bfc49c46297d376a78a2d8f11db726bf9e9d23c2 100644 (file)
--- a/drivers/tsec.c
+++ b/drivers/tsec.c
@@ -44,9 +44,7 @@ struct tsec_info_struct {
 
 /* The tsec_info structure contains 3 values which the
  * driver uses to determine how to operate a given ethernet
- * device.  For now, the structure is initialized with the
- * knowledge that all current implementations have 2 TSEC
- * devices, and one FEC.  The information needed is:
+ * device. The information needed is:
  *  phyaddr - The address of the PHY which is attached to
  *     the given device.
  *
@@ -56,18 +54,16 @@ struct tsec_info_struct {
  *
  *  phyregidx - This variable specifies which ethernet device
  *     controls the MII Management registers which are connected
- *     to the PHY.  For 8540/8560, only TSEC1 (index 0) has
+ *     to the PHY.  For now, only TSEC1 (index 0) has
  *     access to the PHYs, so all of the entries have "0".
  *
  * The values specified in the table are taken from the board's
  * config file in include/configs/.  When implementing a new
  * board with ethernet capability, it is necessary to define:
- *   TSEC1_PHY_ADDR
- *   TSEC1_PHYIDX
- *   TSEC2_PHY_ADDR
- *   TSEC2_PHYIDX
+ *   TSECn_PHY_ADDR
+ *   TSECn_PHYIDX
  *
- * and for 8560:
+ * for n = 1,2,3, etc.  And for FEC:
  *   FEC_PHY_ADDR
  *   FEC_PHYIDX
  */
@@ -91,7 +87,7 @@ static struct tsec_info_struct tsec_info[] = {
        { 0, 0, 0},
 #    endif
 #    if defined(CONFIG_MPC85XX_TSEC4) || defined(CONFIG_MPC83XX_TSEC4)
-       {TSEC4_PHY_ADDR, TSEC_REDUCED, TSEC4_PHYIDX},
+       {TSEC4_PHY_ADDR, TSEC_GIGABIT | TSEC_REDUCED, TSEC4_PHYIDX},
 #    else
        { 0, 0, 0},
 #    endif
@@ -805,6 +801,58 @@ struct phy_info phy_info_M88E1111S = {
        },
 };
 
+static unsigned int m88e1145_setmode(uint mii_reg, struct tsec_private *priv)
+{
+       unsigned int temp;
+       uint mii_data = read_phy_reg(priv, mii_reg);
+
+
+       /* Setting MIIM_88E1145_PHY_EXT_CR */
+       if (priv->flags & TSEC_REDUCED)
+               return mii_data |
+                       MIIM_M88E1145_RGMII_RX_DELAY |
+                       MIIM_M88E1145_RGMII_TX_DELAY;
+       else
+               return mii_data;
+}
+
+static struct phy_info phy_info_M88E1145 = {
+       0x01410cd,
+       "Marvell 88E1145",
+       4,
+       (struct phy_cmd[]) { /* config */
+               /* Errata E0, E1 */
+               {29, 0x001b, NULL},
+               {30, 0x418f, NULL},
+               {29, 0x0016, NULL},
+               {30, 0xa2da, NULL},
+
+               /* Reset and configure the PHY */
+               {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
+               {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
+               {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
+               {MIIM_88E1011_PHY_SCR, MIIM_88E1011_PHY_MDI_X_AUTO, NULL},
+               {MIIM_88E1145_PHY_EXT_CR, 0, &m88e1145_setmode},
+               {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
+               {MIIM_CONTROL, MIIM_CONTROL_INIT, NULL},
+               {miim_end,}
+       },
+       (struct phy_cmd[]) { /* startup */
+               /* Status is read once to clear old link state */
+               {MIIM_STATUS, miim_read, NULL},
+               /* Auto-negotiate */
+               {MIIM_STATUS, miim_read, &mii_parse_sr},
+               {MIIM_88E1111_PHY_LED_CONTROL, MIIM_88E1111_PHY_LED_DIRECT, NULL},
+               /* Read the Status */
+               {MIIM_88E1011_PHY_STATUS, miim_read, &mii_parse_88E1011_psr},
+               {miim_end,}
+       },
+       (struct phy_cmd[]) { /* shutdown */
+               {miim_end,}
+       },
+};
+
+
 struct phy_info phy_info_cis8204 = {
        0x3f11,
        "Cicada Cis8204",
@@ -999,6 +1047,7 @@ struct phy_info *phy_info[] = {
        &phy_info_cis8204,
        &phy_info_M88E1011S,
        &phy_info_M88E1111S,
+       &phy_info_M88E1145,
        &phy_info_dm9161,
        &phy_info_lxt971,
        &phy_info_dp83865,

diff --git a/drivers/tsec.h b/drivers/tsec.h
index b55b2992b226f921a889bcf4a4c3338116668952..0bfca3a3df9f2e8d374f589fb86b043883618407 100644 (file)
--- a/drivers/tsec.h
+++ b/drivers/tsec.h
@@ -142,6 +142,23 @@
 #define MIIM_88E1011_PHYSTAT_SPDDONE   0x0800
 #define MIIM_88E1011_PHYSTAT_LINK      0x0400
 
+#define MIIM_88E1011_PHY_SCR           0x10
+#define MIIM_88E1011_PHY_MDI_X_AUTO    0x0060
+
+/* 88E1111 PHY LED Control Register */
+#define MIIM_88E1111_PHY_LED_CONTROL   24
+#define MIIM_88E1111_PHY_LED_DIRECT    0x4100
+#define MIIM_88E1111_PHY_LED_COMBINE   0x411C
+
+/* 88E1145 Extended PHY Specific Control Register */
+#define MIIM_88E1145_PHY_EXT_CR 20
+#define MIIM_M88E1145_RGMII_RX_DELAY   0x0080
+#define MIIM_M88E1145_RGMII_TX_DELAY   0x0002
+
+#define MIIM_88E1145_PHY_PAGE   29
+#define MIIM_88E1145_PHY_CAL_OV 30
+
+
 /* DM9161 Control register values */
 #define MIIM_DM9161_CR_STOP    0x0400
 #define MIIM_DM9161_CR_RSTAN   0x1200

diff --git a/include/configs/MPC8548CDS.h b/include/configs/MPC8548CDS.h
index 37b518cca50f8b8b81cab0ee9695546c52ec5c63..767ab337b38e0dd97baad51d63b85c16c3a29369 100644 (file)
--- a/include/configs/MPC8548CDS.h
+++ b/include/configs/MPC8548CDS.h
@@ -381,7 +381,7 @@ extern unsigned long get_clock_freq(void);
 #define CONFIG_MPC85XX_TSEC2_NAME      "eTSEC1"
 #define CONFIG_MPC85XX_TSEC3   1
 #define CONFIG_MPC85XX_TSEC3_NAME      "eTSEC2"
-#undef CONFIG_MPC85XX_TSEC4
+#define CONFIG_MPC85XX_TSEC4   1
 #define CONFIG_MPC85XX_TSEC4_NAME      "eTSEC3"
 #undef CONFIG_MPC85XX_FEC
 
@@ -483,6 +483,8 @@ extern unsigned long get_clock_freq(void);
 #define CONFIG_ETH1ADDR  00:E0:0C:00:01:FD
 #define CONFIG_HAS_ETH2
 #define CONFIG_ETH2ADDR  00:E0:0C:00:02:FD
+#define CONFIG_HAS_ETH3
+#define CONFIG_ETH3ADDR  00:E0:0C:00:03:FD
 #endif
 
 #define CONFIG_IPADDR    192.168.1.253