]> git.karo-electronics.de Git - karo-tx-uboot.git/blobdiff - board/freescale/common/vsc3316_3308.c
Merge branch 'rmobile' of git://git.denx.de/u-boot-sh
[karo-tx-uboot.git] / board / freescale / common / vsc3316_3308.c
index 8a3dc33b66c748ccc85665c087368be2362ab452..dd9c37ebe8faf938b3a8244cb1fe7a1ac3b0ecc6 100644 (file)
 #define INPUT_STATE_REG                0x13
 #define GLOBAL_INPUT_ISE1              0x51
 #define GLOBAL_INPUT_ISE2              0x52
+#define GLOBAL_INPUT_GAIN              0x53
 #define GLOBAL_INPUT_LOS               0x55
+#define GLOBAL_OUTPUT_PE1              0x56
+#define GLOBAL_OUTPUT_PE2              0x57
+#define GLOBAL_OUTPUT_LEVEL            0x58
+#define GLOBAL_OUTPUT_TERMINATION      0x5A
 #define GLOBAL_CORE_CNTRL              0x5D
 #define OUTPUT_MODE_PAGE               0x23
 #define CORE_CONTROL_PAGE              0x25
@@ -31,7 +36,7 @@ int vsc_if_enable(unsigned int vsc_addr)
        return i2c_write(vsc_addr, INTERFACE_MODE_REG, 1, &data, 1);
 }
 
-int vsc3316_config(unsigned int vsc_addr, const int8_t con_arr[][2],
+int vsc3316_config(unsigned int vsc_addr, int8_t con_arr[][2],
                unsigned int num_con)
 {
        unsigned int i;
@@ -92,6 +97,109 @@ int vsc3316_config(unsigned int vsc_addr, const int8_t con_arr[][2],
        return 0;
 }
 
+#ifdef CONFIG_SYS_FSL_B4860QDS_XFI_ERR
+int vsc3308_config_adjust(unsigned int vsc_addr, const int8_t con_arr[][2],
+               unsigned int num_con)
+{
+       unsigned int i;
+       u8 rev_id = 0;
+       int ret;
+
+       debug("VSC:Initializing VSC3308 at I2C address 0x%x for Tx\n",
+             vsc_addr);
+
+       ret = i2c_read(vsc_addr, REVISION_ID_REG, 1, &rev_id, 1);
+       if (ret < 0) {
+               printf("VSC:0x%x could not read REV_ID from device.\n",
+                      vsc_addr);
+               return ret;
+       }
+
+       if (rev_id != 0xab) {
+               printf("VSC: device at address 0x%x is not VSC3316/3308.\n",
+                      vsc_addr);
+               return -ENODEV;
+       }
+
+       ret = vsc_if_enable(vsc_addr);
+       if (ret) {
+               printf("VSC:0x%x could not configured for 2-wire I/F.\n",
+                      vsc_addr);
+               return ret;
+       }
+
+       /* config connections - page 0x00 */
+       i2c_reg_write(vsc_addr, CURRENT_PAGE_REGISTER, CONNECTION_CONFIG_PAGE);
+
+       /* Configure Global Input ISE */
+       i2c_reg_write(vsc_addr, GLOBAL_INPUT_ISE1, 0);
+       i2c_reg_write(vsc_addr, GLOBAL_INPUT_ISE2, 0);
+
+       /* Configure Tx/Rx Global Output PE1 */
+       i2c_reg_write(vsc_addr, GLOBAL_OUTPUT_PE1, 0);
+
+       /* Configure Tx/Rx Global Output PE2 */
+       i2c_reg_write(vsc_addr, GLOBAL_OUTPUT_PE2, 0);
+
+       /* Configure Tx/Rx Global Input GAIN */
+       i2c_reg_write(vsc_addr, GLOBAL_INPUT_GAIN, 0x3F);
+
+       /* Setting Global Input LOS threshold value */
+       i2c_reg_write(vsc_addr, GLOBAL_INPUT_LOS, 0xE0);
+
+       /* Setting Global output termination */
+       i2c_reg_write(vsc_addr, GLOBAL_OUTPUT_TERMINATION, 0);
+
+       /* Configure Tx/Rx Global Output level */
+       if (vsc_addr == VSC3308_TX_ADDRESS)
+               i2c_reg_write(vsc_addr, GLOBAL_OUTPUT_LEVEL, 4);
+       else
+               i2c_reg_write(vsc_addr, GLOBAL_OUTPUT_LEVEL, 2);
+
+       /* Making crosspoint connections, by connecting required
+        * input to output */
+       for (i = 0; i < num_con ; i++)
+               i2c_reg_write(vsc_addr, con_arr[i][1], con_arr[i][0]);
+
+       /* input state - page 0x13 */
+       i2c_reg_write(vsc_addr, CURRENT_PAGE_REGISTER, INPUT_STATE_REG);
+       /* Turning off all the required input of the switch */
+       for (i = 0; i < num_con; i++)
+               i2c_reg_write(vsc_addr, con_arr[i][0], 1);
+
+       /* only turn on specific Tx/Rx requested by the XFI erratum */
+       if (vsc_addr == VSC3308_TX_ADDRESS) {
+               i2c_reg_write(vsc_addr, 2, 0);
+               i2c_reg_write(vsc_addr, 3, 0);
+       } else {
+               i2c_reg_write(vsc_addr, 0, 0);
+               i2c_reg_write(vsc_addr, 1, 0);
+       }
+
+       /* config output mode - page 0x23 */
+       i2c_reg_write(vsc_addr, CURRENT_PAGE_REGISTER, OUTPUT_MODE_PAGE);
+       /* Turn off the Output driver correspond to required output*/
+       for (i = 0; i < num_con ; i++)
+               i2c_reg_write(vsc_addr,  con_arr[i][1], 1);
+
+       /* only turn on specific Tx/Rx requested by the XFI erratum */
+       if (vsc_addr == VSC3308_TX_ADDRESS) {
+               i2c_reg_write(vsc_addr, 0, 0);
+               i2c_reg_write(vsc_addr, 1, 0);
+       } else {
+               i2c_reg_write(vsc_addr, 3, 0);
+               i2c_reg_write(vsc_addr, 4, 0);
+       }
+
+       /* configure global core control register, Turn on Global core power */
+       i2c_reg_write(vsc_addr, GLOBAL_CORE_CNTRL, 0);
+
+       vsc_wp_config(vsc_addr);
+
+       return 0;
+}
+#endif
+
 int vsc3308_config(unsigned int vsc_addr, const int8_t con_arr[][2],
                unsigned int num_con)
 {