Blackfin: bf537-stamp: post: update old MMR style macros

The old MMR defines are being scrubbed, so convert the driver to use the
new standard helper macros.

For the GPIO MMR usage, convert to the new GPIO framework.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/board/bf537-stamp/post-memory.c b/board/bf537-stamp/post-memory.c
index 4daea62..49022dc 100644
--- a/board/bf537-stamp/post-memory.c
+++ b/board/bf537-stamp/post-memory.c
@@ -97,19 +97,19 @@
 	for (divisor = 0; sclk > 0; divisor++)
 		sclk -= 57600 * 16;
 
-	*pPORTF_FER = 0x000F;
-	*pPORTH_FER = 0xFFFF;
+	bfin_write_PORTF_FER(0x000F);
+	bfin_write_PORTH_FER(0xFFFF);
 
-	*pUART_GCTL = 0x00;
-	*pUART_LCR = 0x83;
+	bfin_write_UART_GCTL(0x00);
+	bfin_write_UART_LCR(0x83);
 	SSYNC();
-	*pUART_DLL = (divisor & 0xFF);
+	bfin_write_UART_DLL(divisor & 0xFF);
 	SSYNC();
-	*pUART_DLH = ((divisor >> 8) & 0xFF);
+	bfin_write_UART_DLH((divisor >> 8) & 0xFF);
 	SSYNC();
-	*pUART_LCR = 0x03;
+	bfin_write_UART_LCR(0x03);
 	SSYNC();
-	*pUART_GCTL = 0x01;
+	bfin_write_UART_GCTL(0x01);
 	SSYNC();
 }
 
@@ -121,8 +121,8 @@
 		;
 	i = 0;
 	while ((buff[i] != '\0') && (i != 100)) {
-		while (!(*pUART_LSR & 0x20)) ;
-		*pUART_THR = buff[i];
+		while (!(bfin_read_pUART_LSR() & 0x20)) ;
+		bfin_write_UART_THR(buff[i]);
 		SSYNC();
 		i++;
 	}
@@ -138,15 +138,15 @@
 	int i, n;
 	unsigned short value;
 
-	*pPORTF_FER &= ~PF5;
-	*pPORTFIO_DIR &= ~PF5;
-	*pPORTFIO_INEN |= PF5;
+	bfin_write_PORTF_FER(bfin_read_PORTF_FER() & ~PF5);
+	bfin_write_PORTFIO_DIR(bfin_read_PORTFIO_DIR() & ~PF5);
+	bfin_write_PORTFIO_INEN(bfin_read_PORTFIO_INEN() | PF5);
 	SSYNC();
 
 	post_out_buff("########Press SW10 to enter Memory POST########: 3\0");
 	for (i = 0; i < KEY_LOOP; i++) {
-		value = *pPORTFIO & PF5;
-		if (*pUART0_RBR == 0x0D) {
+		value = bfin_read_PORTFIO() & PF5;
+		if (bfin_read_UART0_RBR() == 0x0D) {
 			value = 0;
 			goto key_pressed;
 		}
@@ -158,8 +158,8 @@
 	post_out_buff("\b2\0");
 
 	for (i = 0; i < KEY_LOOP; i++) {
-		value = *pPORTFIO & PF5;
-		if (*pUART0_RBR == 0x0D) {
+		value = bfin_read_PORTFIO() & PF5;
+		if (bfin_read_UART0_RBR() == 0x0D) {
 			value = 0;
 			goto key_pressed;
 		}
@@ -171,8 +171,8 @@
 	post_out_buff("\b1\0");
 
 	for (i = 0; i < KEY_LOOP; i++) {
-		value = *pPORTFIO & PF5;
-		if (*pUART0_RBR == 0x0D) {
+		value = bfin_read_PORTFIO() & PF5;
+		if (bfin_read_UART0_RBR() == 0x0D) {
 			value = 0;
 			goto key_pressed;
 		}
@@ -193,13 +193,13 @@
 void post_init_pll(int mult, int div)
 {
 
-	*pSIC_IWR = 0x01;
-	*pPLL_CTL = (mult << 9);
-	*pPLL_DIV = div;
+	bfin_write_SIC_IWR(0x01);
+	bfin_write_PLL_CTL((mult << 9));
+	bfin_write_PLL_DIV(div);
 	asm("CLI R2;");
 	asm("IDLE;");
 	asm("STI R2;");
-	while (!(*pPLL_STAT & 0x20)) ;
+	while (!(bfin_read_PLL_STAT() & 0x20)) ;
 }
 
 int post_init_sdram(int sclk)
@@ -302,15 +302,15 @@
 
 	SSYNC();
 
-	*pEBIU_SDGCTL |= 0x1000000;
+	bfin_write_EBIU_SDGCTL(bfin_write_EBIU_SDGCTL() | 0x1000000);
 	/* Set the SDRAM Refresh Rate control register based on SSCLK value */
-	*pEBIU_SDRRC = mem_SDRRC;
+	bfin_write_EBIU_SDRRC(mem_SDRRC);
 
 	/* SDRAM Memory Bank Control Register */
-	*pEBIU_SDBCTL = mem_SDBCTL;
+	bfin_write_EBIU_SDBCTL(mem_SDBCTL);
 
 	/* SDRAM Memory Global Control Register */
-	*pEBIU_SDGCTL = mem_SDGCTL;
+	bfin_write_EBIU_SDGCTL(mem_SDGCTL);
 	SSYNC();
 	return mem_SDRRC;
 }
diff --git a/board/bf537-stamp/post.c b/board/bf537-stamp/post.c
index c546ab6..60eed5f 100644
--- a/board/bf537-stamp/post.c
+++ b/board/bf537-stamp/post.c
@@ -12,6 +12,7 @@
 #include <config.h>
 #include <command.h>
 #include <asm/blackfin.h>
+#include <asm/gpio.h>
 
 /* Using sw10-PF5 as the hotkey */
 int post_hotkeys_pressed(void)
@@ -20,14 +21,13 @@
 	int i;
 	unsigned short value;
 
-	*pPORTF_FER &= ~PF5;
-	*pPORTFIO_DIR &= ~PF5;
-	*pPORTFIO_INEN |= PF5;
+	gpio_request(GPIO_PF5, "post");
+	gpio_direction_input(GPIO_PF5);
 
 	printf("########Press SW10 to enter Memory POST########: %2d ", delay);
 	while (delay--) {
 		for (i = 0; i < 100; i++) {
-			value = *pPORTFIO & PF5;
+			value = gpio_get_value(GPIO_PF5);
 			if (value != 0) {
 				break;
 			}
@@ -43,6 +43,8 @@
 		printf("Hotkey has been pressed, Enter POST . . . . . .\n");
 		return 1;
 	}
+
+	gpio_free(GPIO_PF5);
 }
 
 int uart_post_test(int flags)
@@ -106,34 +108,24 @@
  ****************************************************/
 int led_post_test(int flags)
 {
-	*pPORTF_FER &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
-	*pPORTFIO_DIR |= PF6 | PF7 | PF8 | PF9 | PF10 | PF11;
-	*pPORTFIO_INEN &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
-	*pPORTFIO &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
-	udelay(1000000);
-	printf("LED1 on");
-	*pPORTFIO |= PF6;
-	udelay(1000000);
-	printf("\b\b\b\b\b\b\b");
-	printf("LED2 on");
-	*pPORTFIO |= PF7;
-	udelay(1000000);
-	printf("\b\b\b\b\b\b\b");
-	printf("LED3 on");
-	*pPORTFIO |= PF8;
-	udelay(1000000);
-	printf("\b\b\b\b\b\b\b");
-	printf("LED4 on");
-	*pPORTFIO |= PF9;
-	udelay(1000000);
-	printf("\b\b\b\b\b\b\b");
-	printf("LED5 on");
-	*pPORTFIO |= PF10;
-	udelay(1000000);
-	printf("\b\b\b\b\b\b\b");
-	printf("lED6 on");
-	*pPORTFIO |= PF11;
-	printf("\b\b\b\b\b\b\b ");
+	unsigned int leds[] = {
+		GPIO_PF6, GPIO_PF7, GPIO_PF8,
+		GPIO_PF9, GPIO_PF10, GPIO_PF11,
+	};
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(leds); ++i) {
+		gpio_request(leds[i], "post");
+		gpio_direction_output(leds[i], 0);
+
+		printf("LED%i on", i + 1);
+		gpio_set_value(leds[i], 1);
+		udelay(1000000);
+		printf("\b\b\b\b\b\b\b");
+
+		gpio_free(leds[i]);
+	}
+
 	return 0;
 }
 
@@ -143,88 +135,40 @@
  ************************************************/
 int button_post_test(int flags)
 {
+	unsigned int buttons[] = {
+		GPIO_PF2, GPIO_PF3, GPIO_PF4, GPIO_PF5,
+	};
+	unsigned int sws[] = { 13, 12, 11, 10, };
 	int i, delay = 5;
 	unsigned short value = 0;
 	int result = 0;
 
-	*pPORTF_FER &= ~(PF5 | PF4 | PF3 | PF2);
-	*pPORTFIO_DIR &= ~(PF5 | PF4 | PF3 | PF2);
-	*pPORTFIO_INEN |= (PF5 | PF4 | PF3 | PF2);
+	for (i = 0; i < ARRAY_SIZE(buttons); ++i) {
+		gpio_request(buttons[i], "post");
+		gpio_direction_input(buttons[i]);
 
-	printf("\n--------Press SW10: %2d ", delay);
-	while (delay--) {
-		for (i = 0; i < 100; i++) {
-			value = *pPORTFIO & PF5;
-			if (value != 0) {
-				break;
+		delay = 5;
+		printf("\n--------Press SW%i: %2d ", sws[i], delay);
+		while (delay--) {
+			for (i = 0; i < 100; i++) {
+				value = gpio_get_value(buttons[i]);
+				if (value != 0)
+					break;
+				udelay(10000);
 			}
-			udelay(10000);
+			printf("\b\b\b%2d ", delay);
 		}
-		printf("\b\b\b%2d ", delay);
-	}
-	if (value != 0)
-		printf("\b\bOK");
-	else {
-		result = -1;
-		printf("\b\bfailed");
+		if (value != 0)
+			puts("\b\bOK");
+		else {
+			result = -1;
+			puts("\b\bfailed");
+		}
+
+		gpio_free(buttons[i]);
 	}
 
-	delay = 5;
-	printf("\n--------Press SW11: %2d ", delay);
-	while (delay--) {
-		for (i = 0; i < 100; i++) {
-			value = *pPORTFIO & PF4;
-			if (value != 0) {
-				break;
-			}
-			udelay(10000);
-		}
-		printf("\b\b\b%2d ", delay);
-	}
-	if (value != 0)
-		printf("\b\bOK");
-	else {
-		result = -1;
-		printf("\b\bfailed");
-	}
+	puts("\n");
 
-	delay = 5;
-	printf("\n--------Press SW12: %2d ", delay);
-	while (delay--) {
-		for (i = 0; i < 100; i++) {
-			value = *pPORTFIO & PF3;
-			if (value != 0) {
-				break;
-			}
-			udelay(10000);
-		}
-		printf("\b\b\b%2d ", delay);
-	}
-	if (value != 0)
-		printf("\b\bOK");
-	else {
-		result = -1;
-		printf("\b\bfailed");
-	}
-
-	delay = 5;
-	printf("\n--------Press SW13: %2d ", delay);
-	while (delay--) {
-		for (i = 0; i < 100; i++) {
-			value = *pPORTFIO & PF2;
-			if (value != 0) {
-				break;
-			}
-			udelay(10000);
-		}
-		printf("\b\b\b%2d ", delay);
-	}
-	if (value != 0)
-		printf("\b\bOK");
-	else {
-		result = -1;
-		printf("\b\bfailed");
-	}
-	printf("\n");
 	return result;
 }