imx233: fix pinctrl for stmp3600 and stmp3700

Change-Id: I87281b89315890fa285cb9a63fda5c90bdc8cdbf

10 files changed, 70 insertions, 69 deletions

diff --git a/firmware/target/arm/imx233/creative-zenxfi2/button-zenxfi2.c b/firmware/target/arm/imx233/creative-zenxfi2/button-zenxfi2.c
index b990becf26..74b8d649b3 100644
--- a/firmware/target/arm/imx233/creative-zenxfi2/button-zenxfi2.c
+++ b/firmware/target/arm/imx233/creative-zenxfi2/button-zenxfi2.c
@@ -119,10 +119,9 @@ int button_read_device(int *data)
     int res = 0;
     /* B0P11: #power
      * B0P14: #select */
-    uint32_t mask = imx233_pinctrl_get_gpio_mask(0, 0x4800);
-    if(!(mask & 0x800))
+    if(!imx233_pinctrl_get_gpio(0, 11))
         res |= BUTTON_POWER;
-    if(!(mask & 0x4000))
+    if(!imx233_pinctrl_get_gpio(0, 14))
         res |= BUTTON_MENU;
     return res | touchscreen_read_device(data);
 }
diff --git a/firmware/target/arm/imx233/creative-zenxfi2/lcd-zenxfi2.c b/firmware/target/arm/imx233/creative-zenxfi2/lcd-zenxfi2.c
index 1e60e60463..9ff64c4c14 100644
--- a/firmware/target/arm/imx233/creative-zenxfi2/lcd-zenxfi2.c
+++ b/firmware/target/arm/imx233/creative-zenxfi2/lcd-zenxfi2.c
@@ -53,7 +53,7 @@ static void setup_lcd_pins(bool use_lcdif)
     imx233_pinctrl_acquire(1, 23, "lcd enable");
     imx233_pinctrl_acquire(1, 24, "lcd hsync");
     imx233_pinctrl_acquire(1, 25, "lcd vsync");
-    imx233_pinctrl_acquire_mask(1, 0x3ffff, "lcd data");
+    //imx233_pinctrl_acquire_mask(1, 0x3ffff, "lcd data");
     if(use_lcdif)
     {
         imx233_pinctrl_set_function(1, 25, PINCTRL_FUNCTION_MAIN); /* lcd_vsync */
@@ -71,7 +71,7 @@ static void setup_lcd_pins(bool use_lcdif)
     else
     {
         HW_PINCTRL_MUXSELn_SET(2) = 0xffffffff; /* lcd_d{0-15} */
-        imx233_pinctrl_enable_gpio_mask(1, 0x3ffffff, false); /* lcd_{d{0-17},reset,rs,wr,cs,dotclk,enable,hsync,vsync} */
+        HW_PINCTRL_DOEn_CLR(1) = 0x3ffffff; /* lcd_{d{0-17},reset,rs,wr,cs,dotclk,enable,hsync,vsync} */
         imx233_pinctrl_set_function(1, 16, PINCTRL_FUNCTION_GPIO); /* lcd_d16 */
         imx233_pinctrl_set_function(1, 17, PINCTRL_FUNCTION_GPIO); /* lcd_d17 */
         imx233_pinctrl_set_function(1, 19, PINCTRL_FUNCTION_GPIO); /* lcd_rs */
diff --git a/firmware/target/arm/imx233/creative-zenxfi3/button-zenxfi3.c b/firmware/target/arm/imx233/creative-zenxfi3/button-zenxfi3.c
index c3f1908511..f89297b80c 100644
--- a/firmware/target/arm/imx233/creative-zenxfi3/button-zenxfi3.c
+++ b/firmware/target/arm/imx233/creative-zenxfi3/button-zenxfi3.c
@@ -144,7 +144,7 @@ void button_init_device(void)
 bool button_hold(void)
 {
     /* B0P04: #hold */
-    return !imx233_pinctrl_get_gpio_mask(0, 0x10);
+    return !imx233_pinctrl_get_gpio(0, 4);
 }
 
 int button_read_device(void)
@@ -172,10 +172,9 @@ int button_read_device(void)
     /* B2P07: #volume-
      * B2P08: #volume+
      * PSWITCH: power */
-    uint32_t mask = imx233_pinctrl_get_gpio_mask(2, 0x180);
-    if(!(mask & 0x80))
+    if(!imx233_pinctrl_get_gpio(2, 7))
         res |= BUTTON_VOL_DOWN;
-    if(!(mask & 0x100))
+    if(!imx233_pinctrl_get_gpio(2, 8))
         res |= BUTTON_VOL_UP;
     if(BF_RD(POWER_STS, PSWITCH) != 0 && power_ignore_counter == 0)
         res |= BUTTON_POWER;
diff --git a/firmware/target/arm/imx233/creative-zenxfi3/lcd-zenxfi3.c b/firmware/target/arm/imx233/creative-zenxfi3/lcd-zenxfi3.c
index de9e2df393..7afdaa316e 100644
--- a/firmware/target/arm/imx233/creative-zenxfi3/lcd-zenxfi3.c
+++ b/firmware/target/arm/imx233/creative-zenxfi3/lcd-zenxfi3.c
@@ -54,7 +54,7 @@ static void setup_lcd_pins(bool use_lcdif)
     imx233_pinctrl_acquire(1, 21, "lcd cs");
     imx233_pinctrl_acquire(1, 23, "lcd enable");
     imx233_pinctrl_acquire(1, 25, "lcd vsync");
-    imx233_pinctrl_acquire_mask(1, 0x3ffff, "lcd data");
+    //imx233_pinctrl_acquire_mask(1, 0x3ffff, "lcd data");
     if(use_lcdif)
     {
         imx233_pinctrl_set_function(1, 25, PINCTRL_FUNCTION_MAIN); /* lcd_vsync */
@@ -70,7 +70,7 @@ static void setup_lcd_pins(bool use_lcdif)
     else
     {
         HW_PINCTRL_MUXSELn_SET(2) = 0xffffffff; /* lcd_d{0-15} */
-        imx233_pinctrl_enable_gpio_mask(1, 0x2bfffff, false); /* lcd_{d{0-17},reset,rs,wr,cs,enable,vsync} */
+        HW_PINCTRL_DOEn_CLR(1) = 0x2bfffff;
         imx233_pinctrl_set_function(1, 16, PINCTRL_FUNCTION_GPIO); /* lcd_d16 */
         imx233_pinctrl_set_function(1, 17, PINCTRL_FUNCTION_GPIO); /* lcd_d17 */
         imx233_pinctrl_set_function(1, 19, PINCTRL_FUNCTION_GPIO); /* lcd_rs */
diff --git a/firmware/target/arm/imx233/debug-imx233.c b/firmware/target/arm/imx233/debug-imx233.c
index 7cb217f40f..7d690446d8 100644
--- a/firmware/target/arm/imx233/debug-imx233.c
+++ b/firmware/target/arm/imx233/debug-imx233.c
@@ -489,7 +489,7 @@ bool dbg_hw_info_pinctrl(void)
 
         lcd_clear_display();
         for(int i = 0; i < 4; i++)
-            lcd_putsf(0, i, "DIN%d = 0x%08x", i, imx233_pinctrl_get_gpio_mask(i, 0xffffffff));
+            lcd_putsf(0, i, "DIN%d = 0x%08x", i, HW_PINCTRL_DINn(i));
 #ifdef IMX233_PINCTRL_DEBUG
         unsigned cur_line = 6;
         unsigned last_line = lcd_getheight() / font_get(lcd_getfont())->height;
diff --git a/firmware/target/arm/imx233/pinctrl-imx233.c b/firmware/target/arm/imx233/pinctrl-imx233.c
index ab59532543..96edf8db84 100644
--- a/firmware/target/arm/imx233/pinctrl-imx233.c
+++ b/firmware/target/arm/imx233/pinctrl-imx233.c
@@ -35,13 +35,6 @@ void imx233_pinctrl_acquire(unsigned bank, unsigned pin, const char *name)
     pin_use[bank][pin] = name;
 }
 
-void imx233_pinctrl_acquire_mask(unsigned bank, uint32_t mask, const char *name)
-{
-    for(unsigned pin = 0; pin < 32; pin++)
-        if(mask & (1 << pin))
-            imx233_pinctrl_acquire(bank, pin, name);
-}
-
 void imx233_pinctrl_release(unsigned bank, unsigned pin, const char *name)
 {
     if(pin_use[bank][pin] != NULL && pin_use[bank][pin] != name)
@@ -49,13 +42,6 @@ void imx233_pinctrl_release(unsigned bank, unsigned pin, const char *name)
     pin_use[bank][pin] = NULL;
 }
 
-void imx233_pinctrl_release_mask(unsigned bank, uint32_t mask, const char *name)
-{
-    for(unsigned pin = 0; pin < 32; pin++)
-        if(mask & (1 << pin))
-            imx233_pinctrl_release(bank, pin, name);
-}
-
 const char *imx233_pinctrl_blame(unsigned bank, unsigned pin)
 {
     return pin_use[bank][pin];
diff --git a/firmware/target/arm/imx233/pinctrl-imx233.h b/firmware/target/arm/imx233/pinctrl-imx233.h
index 05c2c15bea..3fcf042071 100644
--- a/firmware/target/arm/imx233/pinctrl-imx233.h
+++ b/firmware/target/arm/imx233/pinctrl-imx233.h
@@ -35,23 +35,24 @@
 #define PINCTRL_FUNCTION_ALT2   2
 #define PINCTRL_FUNCTION_GPIO   3
 
+#if IMX233_SUBTARGET >= 3700
 #define PINCTRL_DRIVE_4mA       0
 #define PINCTRL_DRIVE_8mA       1
 #define PINCTRL_DRIVE_12mA      2
 #define PINCTRL_DRIVE_16mA      3 /* not available on all pins */
+#else
+#define PINCTRL_DRIVE_4mA       0
+#define PINCTRL_DRIVE_8mA       1
+#endif
 
 #ifdef IMX233_PINCTRL_DEBUG
 void imx233_pinctrl_acquire(unsigned bank, unsigned pin, const char *name);
-void imx233_pinctrl_acquire_mask(unsigned bank, uint32_t mask, const char *name);
 void imx233_pinctrl_release(unsigned bank, unsigned pin, const char *name);
-void imx233_pinctrl_release_mask(unsigned bank, uint32_t mask, const char *name);
 const char *imx233_pinctrl_blame(unsigned bank, unsigned pin);
 #else
 #define imx233_pinctrl_acquire(...)
-#define imx233_pinctrl_acquire_mask(...)
 #define imx233_pinctrl_release(...)
-#define imx233_pinctrl_release_mask(...)
-#define imx233_pinctrl_blame(...) NULL
+#define imx233_pinctrl_get_pin_use(...) NULL
 #endif
 
 typedef void (*pin_irq_cb_t)(int bank, int pin, intptr_t user);
@@ -61,11 +62,19 @@ static inline void imx233_pinctrl_init(void)
     HW_PINCTRL_CTRL_CLR = BM_OR2(PINCTRL_CTRL, CLKGATE, SFTRST);
 }
 
+#if IMX233_SUBTARGET >= 3700
 static inline void imx233_pinctrl_set_drive(unsigned bank, unsigned pin, unsigned strength)
 {
     HW_PINCTRL_DRIVEn_CLR(4 * bank + pin / 8) = 3 << (4 * (pin % 8));
     HW_PINCTRL_DRIVEn_SET(4 * bank + pin / 8) = strength << (4 * (pin % 8));
 }
+#else
+static inline void imx233_pinctrl_set_drive(unsigned bank, unsigned pin, unsigned strength)
+{
+   HW_PINCTRL_DRIVEn_CLR(bank) = 1 << pin;
+   HW_PINCTRL_DRIVEn_SET(bank) = strength << pin;
+}
+#endif
 
 static inline void imx233_pinctrl_enable_gpio(unsigned bank, unsigned pin, bool enable)
 {
@@ -75,14 +84,6 @@ static inline void imx233_pinctrl_enable_gpio(unsigned bank, unsigned pin, bool
         HW_PINCTRL_DOEn_CLR(bank) = 1 << pin;
 }
 
-static inline void imx233_pinctrl_enable_gpio_mask(unsigned bank, uint32_t pin_mask, bool enable)
-{
-    if(enable)
-        HW_PINCTRL_DOEn_SET(bank) = pin_mask;
-    else
-        HW_PINCTRL_DOEn_CLR(bank) = pin_mask;
-}
-
 static inline void imx233_pinctrl_set_gpio(unsigned bank, unsigned pin, bool value)
 {
     if(value)
@@ -91,25 +92,32 @@ static inline void imx233_pinctrl_set_gpio(unsigned bank, unsigned pin, bool val
         HW_PINCTRL_DOUTn_CLR(bank) = 1 << pin;
 }
 
-static inline void imx233_pinctrl_set_gpio_mask(unsigned bank, uint32_t pin_mask, bool value)
-{
-    if(value)
-        HW_PINCTRL_DOUTn_SET(bank) = pin_mask;
-    else
-        HW_PINCTRL_DOUTn_CLR(bank) = pin_mask;
-}
-
-static inline uint32_t imx233_pinctrl_get_gpio_mask(unsigned bank, uint32_t pin_mask)
+static inline bool imx233_pinctrl_get_gpio(unsigned bank, unsigned pin)
 {
-    return HW_PINCTRL_DINn(bank) & pin_mask;
+    return (HW_PINCTRL_DINn(bank) >> pin) & 1;
 }
 
 static inline void imx233_pinctrl_set_function(unsigned bank, unsigned pin, unsigned function)
 {
+#if IMX233_SUBTARGET >= 3700
     HW_PINCTRL_MUXSELn_CLR(2 * bank + pin / 16) = 3 << (2 * (pin % 16));
     HW_PINCTRL_MUXSELn_SET(2 * bank + pin / 16) = function << (2 * (pin % 16));
+#else
+    if(pin < 16)
+    {
+        HW_PINCTRL_MUXSELLn_CLR(bank) = 3 << (2 * pin);
+        HW_PINCTRL_MUXSELLn_SET(bank) = function << (2 * pin);
+    }
+    else
+    {
+        pin -= 16;
+        HW_PINCTRL_MUXSELHn_CLR(bank) = 3 << (2 * pin);
+        HW_PINCTRL_MUXSELHn_SET(bank) = function << (2 * pin);
+    }
+#endif
 }
 
+#if IMX233_SUBTARGET >= 3700
 static inline void imx233_pinctrl_enable_pullup(unsigned bank, unsigned pin, bool enable)
 {
     if(enable)
@@ -117,14 +125,14 @@ static inline void imx233_pinctrl_enable_pullup(unsigned bank, unsigned pin, boo
     else
         HW_PINCTRL_PULLn_CLR(bank) = 1 << pin;
 }
-
-static inline void imx233_pinctrl_enable_pullup_mask(unsigned bank, uint32_t pin_msk, bool enable)
+#else
+static inline void imx233_pinctrl_enable_pullup(unsigned bank, unsigned pin, bool enable)
 {
-    if(enable)
-        HW_PINCTRL_PULLn_SET(bank) = pin_msk;
-    else
-        HW_PINCTRL_PULLn_CLR(bank) = pin_msk;
+    (void) bank;
+    (void) pin;
+    (void) enable;
 }
+#endif
 
 /** On irq, the pin irq interrupt is disable and then cb is called;
  * the setup_pin_irq function needs to be called again to enable it again */
@@ -158,6 +166,14 @@ static inline void imx233_pinctrl_setup_vpin(vpin_t vpin, const char *name,
     imx233_pinctrl_enable_pullup(bank, pin, pullup);
 }
 
+#if IMX233_SUBTARGET < 3700
+#include "pins/pins-stmp3600.h"
+#elif IMX233_SUBTARGET < 3770
+#include "pins/pins-stmp3700.h"
+#elif IMX233_SUBTARGET < 3780
+#error implement this
+#else
 #include "pins/pins-imx233.h"
+#endif
 
 #endif /* __PINCTRL_IMX233_H__ */
diff --git a/firmware/target/arm/imx233/sansa-fuzeplus/button-fuzeplus.c b/firmware/target/arm/imx233/sansa-fuzeplus/button-fuzeplus.c
index 612ec39fb9..ad0dd16ff3 100644
--- a/firmware/target/arm/imx233/sansa-fuzeplus/button-fuzeplus.c
+++ b/firmware/target/arm/imx233/sansa-fuzeplus/button-fuzeplus.c
@@ -79,7 +79,7 @@ bool button_debug_screen(void)
         lcd_putsf(0, 1, "RMI: id=%s p=%x s=%x", product_id, func_presence, sensor_prop);
         lcd_putsf(0, 2, "xmax=%d ymax=%d res=%d", x_max, y_max, sensor_resol);
         lcd_putsf(0, 3, "attn=%d ctl=%x int=%x",
-            imx233_pinctrl_get_gpio_mask(0, 0x08000000) ? 0 : 1,
+            imx233_pinctrl_get_gpio(0, 27) ? 0 : 1,
             rmi_read_single(RMI_DEVICE_CONTROL),
             rmi_read_single(RMI_INTERRUPT_REQUEST));
         lcd_putsf(0, 4, "sensi: %d min_dist: %d", (int)sensitivity.value, min_dist);
@@ -356,7 +356,7 @@ int touchpad_read_device(void)
 int button_read_device(void)
 {
     int res = 0;
-    if(!imx233_pinctrl_get_gpio_mask(1, 0x40000000))
+    if(!imx233_pinctrl_get_gpio(1, 30))
         res |= BUTTON_VOL_DOWN;
     /* The imx233 uses the voltage on the PSWITCH pin to detect power up/down
      * events as well as recovery mode. Since the power button is the power button
diff --git a/firmware/target/arm/imx233/sansa-fuzeplus/fmradio-i2c-fuzeplus.c b/firmware/target/arm/imx233/sansa-fuzeplus/fmradio-i2c-fuzeplus.c
index ba62ebf59c..15e061103f 100644
--- a/firmware/target/arm/imx233/sansa-fuzeplus/fmradio-i2c-fuzeplus.c
+++ b/firmware/target/arm/imx233/sansa-fuzeplus/fmradio-i2c-fuzeplus.c
@@ -58,12 +58,12 @@ static void i2c_sda_out(bool high)
 
 static bool i2c_scl_in(void)
 {
-    return imx233_pinctrl_get_gpio_mask(1, 1 << 22);
+    return imx233_pinctrl_get_gpio(1, 22);
 }
 
 static bool i2c_sda_in(void)
 {
-    return imx233_pinctrl_get_gpio_mask(1, 1 << 24);
+    return imx233_pinctrl_get_gpio(1, 24);
 }
 
 static void i2c_delay(int d)
diff --git a/firmware/target/arm/imx233/sansa-fuzeplus/lcd-fuzeplus.c b/firmware/target/arm/imx233/sansa-fuzeplus/lcd-fuzeplus.c
index a99260f105..3fd63de623 100644
--- a/firmware/target/arm/imx233/sansa-fuzeplus/lcd-fuzeplus.c
+++ b/firmware/target/arm/imx233/sansa-fuzeplus/lcd-fuzeplus.c
@@ -73,7 +73,7 @@ static void setup_lcd_pins(bool use_lcdif)
     imx233_pinctrl_acquire(1, 21, "lcd cs");
     imx233_pinctrl_acquire(1, 23, "lcd enable");
     imx233_pinctrl_acquire(1, 25, "lcd vsync");
-    imx233_pinctrl_acquire_mask(1, 0x3ffff, "lcd data");
+    //imx233_pinctrl_acquire_mask(1, 0x3ffff, "lcd data");
     if(use_lcdif)
     {
         imx233_pinctrl_set_function(1, 25, PINCTRL_FUNCTION_GPIO); /* lcd_vsync */
@@ -113,10 +113,10 @@ static void setup_lcd_pins_i80(bool i80)
         imx233_pinctrl_set_function(1, 21, PINCTRL_FUNCTION_GPIO); /* lcd_cs */
         imx233_pinctrl_set_function(1, 23, PINCTRL_FUNCTION_GPIO); /* lcd_enable */
         /* lcd_{rs,wr,cs,enable} */
-        imx233_pinctrl_enable_gpio_mask(1, (1 << 19) | (1 << 20) | (1 << 21) | (1 << 23), true);
-        imx233_pinctrl_set_gpio_mask(1, (1 << 19) | (1 << 20) | (1 << 21) | (1 << 23), true);
+        HW_PINCTRL_DOEn_SET(1) = (1 << 19) | (1 << 20) | (1 << 21) | (1 << 23);
+        HW_PINCTRL_DOUTn_SET(1) = (1 << 19) | (1 << 20) | (1 << 21) | (1 << 23);
 
-        imx233_pinctrl_enable_gpio_mask(1, 0x3ffff, false); /* lcd_d{0-17} */
+        HW_PINCTRL_DOEn_CLR(1) = 0x3ffff; /* lcd_d{0-17} */
         HW_PINCTRL_MUXSELn_SET(2) = 0xffffffff; /* lcd_d{0-15} as GPIO */
         imx233_pinctrl_set_function(1, 16, PINCTRL_FUNCTION_GPIO); /* lcd_d16 */
         imx233_pinctrl_set_function(1, 17, PINCTRL_FUNCTION_GPIO); /* lcd_d17 */
@@ -125,7 +125,8 @@ static void setup_lcd_pins_i80(bool i80)
     }
     else
     {
-        imx233_pinctrl_set_gpio_mask(1, (1 << 19) | (1 << 20) | (1 << 21) | (1 << 23), true);
+        HW_PINCTRL_DOUTn_SET(1) = (1 << 19) | (1 << 20) | (1 << 21) | (1 << 23);
+
         imx233_pinctrl_set_drive(1, 19, PINCTRL_DRIVE_4mA); /* lcd_rs */
         imx233_pinctrl_set_drive(1, 20, PINCTRL_DRIVE_4mA); /* lcd_wr */
         imx233_pinctrl_set_drive(1, 21, PINCTRL_DRIVE_4mA); /* lcd_cs */
@@ -133,7 +134,7 @@ static void setup_lcd_pins_i80(bool i80)
         imx233_pinctrl_set_function(1, 19, PINCTRL_FUNCTION_MAIN); /* lcd_rs */
         imx233_pinctrl_set_function(1, 20, PINCTRL_FUNCTION_MAIN); /* lcd_wr */
         imx233_pinctrl_set_function(1, 21, PINCTRL_FUNCTION_MAIN); /* lcd_cs */
-        imx233_pinctrl_enable_gpio_mask(1, 0x3ffff, false); /* lcd_d{0-17} */
+        HW_PINCTRL_DOEn_CLR(1) = 0x3ffff; /* lcd_d{0-17} */
         HW_PINCTRL_MUXSELn_CLR(2) = 0xffffffff; /* lcd_d{0-15} as lcd_d{0-15} */
         imx233_pinctrl_set_function(1, 16, PINCTRL_FUNCTION_MAIN); /* lcd_d16 */
         imx233_pinctrl_set_function(1, 17, PINCTRL_FUNCTION_MAIN); /* lcd_d17 */
@@ -182,7 +183,7 @@ static uint32_t i80_read_register(uint32_t data_out)
     imx233_pinctrl_set_gpio(1, 19, true); /* lcd_rs */
     imx233_pinctrl_set_gpio(1, 23, true); /* lcd_enable */
     imx233_pinctrl_set_gpio(1, 20, true); /* lcd_wr */
-    imx233_pinctrl_enable_gpio_mask(1, 0x3ffff, true); /* lcd_d{0-17} */
+    HW_PINCTRL_DOEn_SET(1) = 0x3ffff; /* lcd_d{0-17} */
     udelay(2);
     imx233_pinctrl_set_gpio(1, 19, false); /* lcd_rs */
     udelay(1);
@@ -190,11 +191,11 @@ static uint32_t i80_read_register(uint32_t data_out)
     udelay(1);
     imx233_pinctrl_set_gpio(1, 20, false); /* lcd_wr */
     udelay(1);
-    imx233_pinctrl_set_gpio_mask(1, data_out & 0x3ffff, true); /* lcd_d{0-17} */
+    HW_PINCTRL_DOUTn_SET(1) = data_out & 0x3ffff; /* lcd_d{0-17} */
     udelay(1);
     imx233_pinctrl_set_gpio(1, 20, true); /* lcd_wr */
     udelay(3);
-    imx233_pinctrl_enable_gpio_mask(1, 0x3ffff, false); /* lcd_d{0-17} */
+    HW_PINCTRL_DOUTn_CLR(1) = 0x3ffff; /* lcd_d{0-17} */
     udelay(2);
     imx233_pinctrl_set_gpio(1, 23, false); /* lcd_enable */
     udelay(1);
@@ -204,7 +205,7 @@ static uint32_t i80_read_register(uint32_t data_out)
     udelay(3);
     imx233_pinctrl_set_gpio(1, 23, false); /* lcd_enable */
     udelay(2);
-    uint32_t data_in = imx233_pinctrl_get_gpio_mask(1, 0x3ffff); /* lcd_d{0-17} */
+    uint32_t data_in = HW_PINCTRL_DINn(1) & 0x3ffff; /* lcd_d{0-17} */
     udelay(1);
     imx233_pinctrl_set_gpio(1, 23, true); /* lcd_enable */
     udelay(1);