diff --git a/arch/m68k/include/asm/m532xsim.h b/arch/m68k/include/asm/m532xsim.h
index 38333703a563..d4092fa7e5f4 100644
--- a/arch/m68k/include/asm/m532xsim.h
+++ b/arch/m68k/include/asm/m532xsim.h
@@ -393,32 +393,32 @@
 #define MCFGPIO_PCLRR_LCDDATAL		(0xFC0A404B)
 #define MCFGPIO_PCLRR_LCDCTLH		(0xFC0A404C)
 #define MCFGPIO_PCLRR_LCDCTLL		(0xFC0A404D)
-#define MCF_GPIO_PAR_FEC		MCF_REG08(0xFC0A4050)
-#define MCF_GPIO_PAR_PWM		MCF_REG08(0xFC0A4051)
-#define MCF_GPIO_PAR_BUSCTL		MCF_REG08(0xFC0A4052)
-#define MCF_GPIO_PAR_FECI2C		MCF_REG08(0xFC0A4053)
-#define MCF_GPIO_PAR_BE			MCF_REG08(0xFC0A4054)
-#define MCF_GPIO_PAR_CS			MCF_REG08(0xFC0A4055)
-#define MCF_GPIO_PAR_SSI		MCF_REG16(0xFC0A4056)
-#define MCF_GPIO_PAR_UART		MCF_REG16(0xFC0A4058)
-#define MCF_GPIO_PAR_QSPI		MCF_REG16(0xFC0A405A)
-#define MCF_GPIO_PAR_TIMER		MCF_REG08(0xFC0A405C)
-#define MCF_GPIO_PAR_LCDDATA		MCF_REG08(0xFC0A405D)
-#define MCF_GPIO_PAR_LCDCTL		MCF_REG16(0xFC0A405E)
-#define MCF_GPIO_PAR_IRQ		MCF_REG16(0xFC0A4060)
-#define MCF_GPIO_MSCR_FLEXBUS		MCF_REG08(0xFC0A4064)
-#define MCF_GPIO_MSCR_SDRAM		MCF_REG08(0xFC0A4065)
-#define MCF_GPIO_DSCR_I2C		MCF_REG08(0xFC0A4068)
-#define MCF_GPIO_DSCR_PWM		MCF_REG08(0xFC0A4069)
-#define MCF_GPIO_DSCR_FEC		MCF_REG08(0xFC0A406A)
-#define MCF_GPIO_DSCR_UART		MCF_REG08(0xFC0A406B)
-#define MCF_GPIO_DSCR_QSPI		MCF_REG08(0xFC0A406C)
-#define MCF_GPIO_DSCR_TIMER		MCF_REG08(0xFC0A406D)
-#define MCF_GPIO_DSCR_SSI		MCF_REG08(0xFC0A406E)
-#define MCF_GPIO_DSCR_LCD		MCF_REG08(0xFC0A406F)
-#define MCF_GPIO_DSCR_DEBUG		MCF_REG08(0xFC0A4070)
-#define MCF_GPIO_DSCR_CLKRST		MCF_REG08(0xFC0A4071)
-#define MCF_GPIO_DSCR_IRQ		MCF_REG08(0xFC0A4072)
+#define MCFGPIO_PAR_FEC			(0xFC0A4050)
+#define MCFGPIO_PAR_PWM			(0xFC0A4051)
+#define MCFGPIO_PAR_BUSCTL		(0xFC0A4052)
+#define MCFGPIO_PAR_FECI2C		(0xFC0A4053)
+#define MCFGPIO_PAR_BE			(0xFC0A4054)
+#define MCFGPIO_PAR_CS			(0xFC0A4055)
+#define MCFGPIO_PAR_SSI			(0xFC0A4056)
+#define MCFGPIO_PAR_UART		(0xFC0A4058)
+#define MCFGPIO_PAR_QSPI		(0xFC0A405A)
+#define MCFGPIO_PAR_TIMER		(0xFC0A405C)
+#define MCFGPIO_PAR_LCDDATA		(0xFC0A405D)
+#define MCFGPIO_PAR_LCDCTL		(0xFC0A405E)
+#define MCFGPIO_PAR_IRQ			(0xFC0A4060)
+#define MCFGPIO_MSCR_FLEXBUS		(0xFC0A4064)
+#define MCFGPIO_MSCR_SDRAM		(0xFC0A4065)
+#define MCFGPIO_DSCR_I2C		(0xFC0A4068)
+#define MCFGPIO_DSCR_PWM		(0xFC0A4069)
+#define MCFGPIO_DSCR_FEC		(0xFC0A406A)
+#define MCFGPIO_DSCR_UART		(0xFC0A406B)
+#define MCFGPIO_DSCR_QSPI		(0xFC0A406C)
+#define MCFGPIO_DSCR_TIMER		(0xFC0A406D)
+#define MCFGPIO_DSCR_SSI		(0xFC0A406E)
+#define MCFGPIO_DSCR_LCD		(0xFC0A406F)
+#define MCFGPIO_DSCR_DEBUG		(0xFC0A4070)
+#define MCFGPIO_DSCR_CLKRST		(0xFC0A4071)
+#define MCFGPIO_DSCR_IRQ		(0xFC0A4072)
 
 /* Bit definitions and macros for MCF_GPIO_PODR_FECH */
 #define MCF_GPIO_PODR_FECH_PODR_FECH0              (0x01)
diff --git a/arch/m68k/platform/coldfire/m532x.c b/arch/m68k/platform/coldfire/m532x.c
index 4819a44991ed..0adeef17fd41 100644
--- a/arch/m68k/platform/coldfire/m532x.c
+++ b/arch/m68k/platform/coldfire/m532x.c
@@ -172,7 +172,7 @@ static void __init m532x_clk_init(void)
 static void __init m532x_qspi_init(void)
 {
 	/* setup QSPS pins for QSPI with gpio CS control */
-	writew(0x01f0, MCF_GPIO_PAR_QSPI);
+	writew(0x01f0, MCFGPIO_PAR_QSPI);
 }
 
 #endif /* IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) */
@@ -182,18 +182,24 @@ static void __init m532x_qspi_init(void)
 static void __init m532x_uarts_init(void)
 {
 	/* UART GPIO initialization */
-	MCF_GPIO_PAR_UART |= 0x0FFF;
+	writew(readw(MCFGPIO_PAR_UART) | 0x0FFF, MCFGPIO_PAR_UART);
 }
 
 /***************************************************************************/
 
 static void __init m532x_fec_init(void)
 {
+	u8 v;
+
 	/* Set multi-function pins to ethernet mode for fec0 */
-	MCF_GPIO_PAR_FECI2C |= (MCF_GPIO_PAR_FECI2C_PAR_MDC_EMDC |
-		MCF_GPIO_PAR_FECI2C_PAR_MDIO_EMDIO);
-	MCF_GPIO_PAR_FEC = (MCF_GPIO_PAR_FEC_PAR_FEC_7W_FEC |
-		MCF_GPIO_PAR_FEC_PAR_FEC_MII_FEC);
+	v = readb(MCFGPIO_PAR_FECI2C);
+	v |= MCF_GPIO_PAR_FECI2C_PAR_MDC_EMDC |
+		MCF_GPIO_PAR_FECI2C_PAR_MDIO_EMDIO;
+	writeb(v, MCFGPIO_PAR_FECI2C);
+
+	v = readb(MCFGPIO_PAR_FEC);
+	v = MCF_GPIO_PAR_FEC_PAR_FEC_7W_FEC | MCF_GPIO_PAR_FEC_PAR_FEC_MII_FEC;
+	writeb(v, MCFGPIO_PAR_FEC);
 }
 
 /***************************************************************************/
@@ -325,7 +331,7 @@ void scm_init(void)
 
 void fbcs_init(void)
 {
-	MCF_GPIO_PAR_CS = 0x0000003E;
+	writeb(0x3E, MCFGPIO_PAR_CS);
 
 	/* Latch chip select */
 	MCF_FBCS1_CSAR = 0x10080000;
@@ -448,16 +454,16 @@ void sdramc_init(void)
 void gpio_init(void)
 {
 	/* Enable UART0 pins */
-	MCF_GPIO_PAR_UART = ( 0
-		| MCF_GPIO_PAR_UART_PAR_URXD0
-		| MCF_GPIO_PAR_UART_PAR_UTXD0);
-
-	/* Initialize TIN3 as a GPIO output to enable the write
-	   half of the latch */
-	MCF_GPIO_PAR_TIMER = 0x00;
-	__raw_writeb(0x08, MCFGPIO_PDDR_TIMER);
-	__raw_writeb(0x00, MCFGPIO_PCLRR_TIMER);
+	writew(MCF_GPIO_PAR_UART_PAR_URXD0 | MCF_GPIO_PAR_UART_PAR_UTXD0,
+		MCFGPIO_PAR_UART);
 
+	/*
+	 * Initialize TIN3 as a GPIO output to enable the write
+	 * half of the latch.
+	 */
+	writeb(0x00, MCFGPIO_PAR_TIMER);
+	writeb(0x08, MCFGPIO_PDDR_TIMER);
+	writeb(0x00, MCFGPIO_PCLRR_TIMER);
 }
 
 int clock_pll(int fsys, int flags)