From 6e2f486653ea1fd6f4cba998e5a3119c51f6fc6e Mon Sep 17 00:00:00 2001
From: Patrick Murphy <patrick.muprphy@multitech.com>
Date: Thu, 28 Jan 2021 07:35:33 -0600
Subject: initial commit of added built in mtac slot support

---
 machine/ti43x_gpio.h |  6 ++++++
 mtac.c               |  6 +++++-
 mtac.h               | 16 ++++++++++++++--
 3 files changed, 25 insertions(+), 3 deletions(-)

diff --git a/machine/ti43x_gpio.h b/machine/ti43x_gpio.h
index 734998d..e57934d 100644
--- a/machine/ti43x_gpio.h
+++ b/machine/ti43x_gpio.h
@@ -22,4 +22,10 @@
 #define M_AP2_NRESET OMAP_GPIO(5,29)
 #define M_AP2_NINT1 OMAP_GPIO(3,17)
 #define M_AP2_NINT2 OMAP_GPIO(3,18)
+
+// gpio pins for built in serial
+#define M_AP3_GPIO1 OMAP_GPIO(7,2)
+#define M_AP3_GPIO2 OMAP_GPIO(7,3)
+#define M_AP3_GPIO3 OMAP_GPIO(7,4)
+#define M_AP3_GPIO4 OMAP_GPIO(7,5)
 #endif  /* TI MTCDT3-BB */
diff --git a/mtac.c b/mtac.c
index 2fefc0e..cb31187 100644
--- a/mtac.c
+++ b/mtac.c
@@ -26,7 +26,8 @@ static const char* eeprom_file_name[NUM_AP] = {
     "1-0050/eeprom", "1-0052/eeprom"
     #endif
     #ifdef mtcpmhs
-    "2-0050/eeprom", "2-0052/eeprom"
+    /*2nd */
+    "2-0050/eeprom", "2-0052/eeprom", "2-0050/eeprom"
     #endif
 #endif // NUM_AP > 0
 };
@@ -491,9 +492,12 @@ static int __init mtac_init(void)
     int ret;
 
     log_debug("init: " DRIVER_VERSION);
+    log_debug("NUM_AP: %s", NUM_AP);
     mutex_lock(&mtac_mutex);
 
     for (port_index = 0; port_index < NUM_AP; port_index++) {
+	log_info("port_index: %s", port_index);
+	log_info("eeprom_file_name[port_index]: %s",eeprom_file_name[port_index]);
         mts_ap_eeprom[port_index][0] = 0x00; /* initialize to not present */
         if((ret = request_firmware_direct(&fw, eeprom_file_name[port_index], &mts_io_platform_device->dev)) == 0) {
           if(fw->size == sizeof(mts_ap_eeprom[0])) {
diff --git a/mtac.h b/mtac.h
index 1a84884..4581c07 100644
--- a/mtac.h
+++ b/mtac.h
@@ -1,13 +1,22 @@
 #ifndef IO_MODULE_MTAC_H_
 #define IO_MODULE_MTAC_H_
+
+
 // NUM_AP should be defined from the board code
 // it should be set to the value of CONFIG_MTS_NUM_ACCESSORY_PORTS
 // arch/arm/mach-at91/board-dt-sam9.c
 // if it is 0 or undefined, there is no accessory card support on this HW
+#ifdef mtcpmhs
+#define NUM_BUILT_IN 1
+
+#else
+#define NUM_BUILT_IN 0
+#endif
+
 #ifdef CONFIG_MTS_NUM_ACCESSORY_PORTS
 
 #ifndef NUM_AP
-#define NUM_AP CONFIG_MTS_NUM_ACCESSORY_PORTS
+#define NUM_AP CONFIG_MTS_NUM_ACCESSORY_PORTS + NUM_BUILT_IN
 #endif
 
 #else
@@ -17,7 +26,7 @@
 
 #define PRODUCT_ID_MTAC_GPIOB			"MTAC-GPIOB"
 #define PRODUCT_ID_MTAC_MFSER			"MTAC-MFSER"
-#define PRODUCT_ID_MTAC_ETH				"MTAC-ETH"
+#define PRODUCT_ID_MTAC_ETH			"MTAC-ETH"
 #define PRODUCT_ID_MTAC_LORA			"MTAC-LORA"
 #define PRODUCT_ID_MTAC_PULSE			"MTAC-PULSE"
 #define PRODUCT_ID_MTAC_XDOT			"MTAC-XDOT"
@@ -54,6 +63,9 @@ enum {
 enum ap {
 	port_1 = 1,
 	port_2,
+#ifdef mtcpmhs
+	port_3,
+#endif
 };
 
 // info for accessory port
-- 
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