85xx/p1_p2_rdb: Added RevD board version support

- Also modified the code to use io accessors.

Signed-off-by: Poonam Aggrwal <poonam.aggrwal@freescale.com>
Signed-off-by: Dipen Dudhat <dipen.dudhat@freescale.com>
Acked-by: Kumar Gala <galak@kernel.crashing.org>

board/freescale/p1_p2_rdb/p1_p2_rdb.c

@@ -54,6 +54,7 @@ DECLARE_GLOBAL_DATA_PTR;
 #define BOARDREV_MASK	0x10100000
 #define BOARDREV_B	0x10100000
 #define BOARDREV_C	0x00100000
+#define BOARDREV_D	0x00000000
 
 #define SYSCLK_66	66666666
 #define SYSCLK_50	50000000
@@ -64,7 +65,7 @@ unsigned long get_board_sys_clk(ulong dummy)
 	volatile ccsr_gpio_t *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR);
 	u32 val_gpdat, sysclk_gpio, board_rev_gpio;
 
-	val_gpdat = pgpio->gpdat;
+	val_gpdat = in_be32(&pgpio->gpdat);
 	sysclk_gpio = val_gpdat & SYSCLK_MASK;
 	board_rev_gpio = val_gpdat & BOARDREV_MASK;
 	if (board_rev_gpio == BOARDREV_C) {
@@ -77,6 +78,11 @@ unsigned long get_board_sys_clk(ulong dummy)
 			return SYSCLK_66;
 		else
 			return SYSCLK_50;
+	} else if (board_rev_gpio == BOARDREV_D) {
+		if(sysclk_gpio == 0)
+			return SYSCLK_66;
+		else
+			return SYSCLK_100;
 	}
 	return 0;
 }
@@ -100,12 +106,14 @@ int checkboard (void)
 	char board_rev = 0;
 	struct cpu_type *cpu;
 
-	val_gpdat = pgpio->gpdat;
+	val_gpdat = in_be32(&pgpio->gpdat);
 	board_rev_gpio = val_gpdat & BOARDREV_MASK;
 	if (board_rev_gpio == BOARDREV_C)
 		board_rev = 'C';
 	else if (board_rev_gpio == BOARDREV_B)
 		board_rev = 'B';
+	else if (board_rev_gpio == BOARDREV_D)
+		board_rev = 'D';
 	else
 		panic ("Unexpected Board REV %x detected!!\n", board_rev_gpio);
 
@@ -159,6 +167,7 @@ int board_eth_init(bd_t *bis)
 	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 	int num = 0;
 	char *tmp;
+	u32 pordevsr;
 	unsigned int vscfw_addr;
 
 #ifdef CONFIG_TSEC1
@@ -171,7 +180,8 @@ int board_eth_init(bd_t *bis)
 #endif
 #ifdef CONFIG_TSEC3
 	SET_STD_TSEC_INFO(tsec_info[num], 3);
-	if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
+	pordevsr = in_be32(&gur->pordevsr);
+	if (!(pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
 		tsec_info[num].flags |= TSEC_SGMII;
 	num++;
 #endif