Consolidate ADS5121 IO Pin configuration

Consolidate ADS5121 IO Pin configuration to one file
board/ads5121/iopin.c.

Remove pin config from cpu/mpc512x/fec.c

Signed-off-by: Martha Marx <mmarx@silicontkx.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: John Rigby <jrigby@freescale.com>

4 files changed, 321 insertions, 34 deletions

diff --git a/board/ads5121/Makefile b/board/ads5121/Makefile
index 52d0d3c..5b95682 100644
--- a/board/ads5121/Makefile
+++ b/board/ads5121/Makefile
@@ -27,7 +27,7 @@ $(shell mkdir -p $(OBJTREE)/board/freescale/common)
 
 LIB	= $(obj)lib$(BOARD).a
 
-COBJS-y	:= $(BOARD).o
+COBJS-y	:= $(BOARD).o iopin.o
 COBJS-${CONFIG_FSL_DIU_FB} += ads5121_diu.o
 COBJS-${CONFIG_FSL_DIU_FB} += ../freescale/common/fsl_diu_fb.o
 COBJS-${CONFIG_FSL_DIU_FB} += ../freescale/common/fsl_logo_bmp.o
diff --git a/board/ads5121/ads5121.c b/board/ads5121/ads5121.c
index ef66663..130b81d 100644
--- a/board/ads5121/ads5121.c
+++ b/board/ads5121/ads5121.c
@@ -45,28 +45,12 @@
 #define CSAW_START(start)	((start) & 0xFFFF0000)
 #define CSAW_STOP(start, size)	(((start) + (size) - 1) >> 16)
 
-#define MPC5121_IOCTL_PSC6_0	(0x284/4)
-#define MPC5121_IO_DIU_START	(0x288/4)
-#define MPC5121_IO_DIU_END	(0x2fc/4)
-
-/* Functional pin muxing */
-#define MPC5121_IO_FUNC1	(0 << 7)
-#define MPC5121_IO_FUNC2	(1 << 7)
-#define MPC5121_IO_FUNC3	(2 << 7)
-#define MPC5121_IO_FUNC4	(3 << 7)
-#define MPC5121_IO_ST		(1 << 2)
-#define MPC5121_IO_DS_1		(0)
-#define MPC5121_IO_DS_2		(1)
-#define MPC5121_IO_DS_3		(2)
-#define MPC5121_IO_DS_4		(3)
-
 long int fixed_sdram(void);
 
 int board_early_init_f (void)
 {
 	volatile immap_t *im = (immap_t *) CFG_IMMR;
 	u32 lpcaw, tmp32;
-	volatile ioctrl512x_t *ioctl = &(im->io_ctrl);
 	int i;
 
 	/*
@@ -99,16 +83,6 @@ int board_early_init_f (void)
 	im->clk.sccr[0] = SCCR1_CLOCKS_EN;
 	im->clk.sccr[1] = SCCR2_CLOCKS_EN;
 
-	/* Configure DIU clock pin */
-	tmp32 = ioctl->regs[MPC5121_IOCTL_PSC6_0];
-	tmp32 &= ~0x1ff;
-	tmp32 |= MPC5121_IO_FUNC3 | MPC5121_IO_DS_4;
-	ioctl->regs[MPC5121_IOCTL_PSC6_0] = tmp32;
-
-	/* Initialize IO pins (pin mux) for DIU function */
-	for (i = MPC5121_IO_DIU_START; i < MPC5121_IO_DIU_END; i++)
-		ioctl->regs[i] |= (MPC5121_IO_FUNC3 | MPC5121_IO_DS_4);
-
 	return 0;
 }
 
@@ -250,17 +224,12 @@ int checkboard (void)
 {
 	ushort brd_rev = *(vu_short *) (CFG_CPLD_BASE + 0x00);
 	uchar cpld_rev = *(vu_char *) (CFG_CPLD_BASE + 0x02);
-	volatile immap_t *im = (immap_t *) CFG_IMMR;
-	volatile unsigned long *reg;
-	int i;
 
 	printf ("Board: ADS5121 rev. 0x%04x (CPLD rev. 0x%02x)\n",
 		brd_rev, cpld_rev);
+	/* initialize function mux & slew rate IO inter alia on IO Pins  */
+	iopin_initialize();
 
-	/* change the slew rate on all pata pins to max */
-	reg = (unsigned long *) &(im->io_ctrl.regs[PATA_CE1_IDX]);
-	for (i = 0; i < 9; i++)
-		reg[i] |= 0x00000003;
 	return 0;
 }
 
diff --git a/board/ads5121/iopin.c b/board/ads5121/iopin.c
new file mode 100644
index 0000000..6a35c81
--- /dev/null
+++ b/board/ads5121/iopin.c
@@ -0,0 +1,96 @@
+/*
+ * (C) Copyright 2008
+ * Martha J Marx, Silicon Turnkey Express, mmarx@silicontkx.com
+ * mpc512x I/O pin/pad initialization for the ADS5121 board
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <linux/types.h>
+#include "iopin.h"
+
+/*
+ * IO PAD TYPES
+ *	for all types   fmux is used to select the funtion
+ *			ds sets the slew rate
+ *	STD pins  nothing extra (can set ds & fmux only)
+ *	STD_PU	  pue=1 to enable pull & pud sets whether up or down resistors
+ *	STD_ST	  st sets the Schmitt trigger
+ *	STD_PU_ST pue & pud sets pull-up/down resistors as in STD_PU
+ *		  st sets the Schmitt trigger
+ *	PCI	  hold sets output delay
+ *	PCI_ST	  hold sets output delay and st sets the Schmitt trigger
+ */
+
+static struct iopin_t {
+	u_short p_offset; /* offset from IOCTL_MEM_OFFSET 		*/
+	u_short p_no;	  /* number of pins to set this way		*/
+	u_short bit_or:7; /* Do bitwise OR instead of setting		*/
+	u_short fmux:2;	  /* pad function select 0-3			*/
+	u_short hold:2;   /* PCI pad types only; 			*/
+	u_short pud:1; 	  /* pull resistor; PU types only;		*/
+			  /* if pue=1 then 0=pull-down, 1=pull-up	*/
+	u_short	pue:1;	  /* Pull resistor enable; _PU types only	*/
+	u_short st:1;	  /* Schmitt trigger enable; _ST types only	*/
+	u_short	ds:2;	  /* Slew rate class, 0=class1, ..., 3=class4	*/
+} ioregs_init[] = {
+/* FUNC1=FEC_RX_DV Sets Next 3 to FEC pads 	*/
+	{IOCTL_SPDIF_TXCLK, 	3,  0, 1, 0, 0, 0, 0, 3},
+/* Set highest Slew on 9 PATA pins		*/
+	{IOCTL_PATA_CE1, 	9,  1, 0, 0, 0, 0, 0, 3},
+/* FUNC1=FEC_COL Sets Next 15 to FEC pads 	*/
+	{IOCTL_PSC0_0, 		15, 0, 1, 0, 0, 0, 0, 3},
+/* FUNC1=SPDIF_TXCLK				*/
+	{IOCTL_LPC_CS1, 	1,  0, 1, 0, 0, 0, 1, 3},
+/* FUNC2=SPDIF_TX and sets Next pin to SPDIF_RX	*/
+	{IOCTL_I2C1_SCL, 	2,  0, 2, 0, 0, 0, 1, 3},
+/* FUNC2=DIU CLK				*/
+	{IOCTL_PSC6_0, 		1,  0, 2, 0, 0, 0, 1, 3},
+/* FUNC2=DIU_HSYNC 				*/
+	{IOCTL_PSC6_1, 		1,  0, 2, 0, 0, 0, 0, 3},
+/* FUNC2=DIUVSYNC Sets Next 26 to DIU Pads	*/
+	{IOCTL_PSC6_4, 		26, 0, 2, 0, 0, 0, 0, 3}
+};
+
+void iopin_initialize(void)
+{
+	short i, j, n, p;
+	u_long *reg;
+
+	if (sizeof(ioregs_init) == 0)
+		return;
+
+	immap_t *im = (immap_t *)CFG_IMMR;
+	reg = (u_long *)&(im->io_ctrl.regs[0]);
+	n = sizeof(ioregs_init) / sizeof(ioregs_init[0]);
+
+	for (i = 0; i < n; i++) {
+		for (p = 0, j = ioregs_init[i].p_offset / sizeof(u_long);
+			p < ioregs_init[i].p_no; p++, j++) {
+		/* lowest 9 bits sets the register */
+			if (ioregs_init[i].bit_or)
+				reg[j] |= *((u_long *) &ioregs_init[i].p_no)
+						& 0x000001ff;
+			else
+				reg[j] = *((u_long *) &ioregs_init[i].p_no)
+						& 0x000001ff;
+		}
+	}
+	return;
+}
diff --git a/board/ads5121/iopin.h b/board/ads5121/iopin.h
new file mode 100644
index 0000000..7ef8472
--- /dev/null
+++ b/board/ads5121/iopin.h
@@ -0,0 +1,222 @@
+/*
+ * (C) Copyright 2008
+ * Martha J Marx, Silicon Turnkey Express, mmarx@silicontkx.com
+ * mpc512x I/O pin/pad initialization for the ADS5121 board
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#define IOCTL_MEM		0x000
+#define IOCTL_GP		0x004
+#define IOCTL_LPC_CLK		0x008
+#define IOCTL_LPC_OE		0x00C
+#define IOCTL_LPC_RWB		0x010
+#define IOCTL_LPC_ACK		0x014
+#define IOCTL_LPC_CS0		0x018
+#define IOCTL_NFC_CE0		0x01C
+#define IOCTL_LPC_CS1		0x020
+#define IOCTL_LPC_CS2		0x024
+#define IOCTL_LPC_AX03		0x028
+#define IOCTL_EMB_AX02		0x02C
+#define IOCTL_EMB_AX01		0x030
+#define IOCTL_EMB_AX00		0x034
+#define IOCTL_EMB_AD31		0x038
+#define IOCTL_EMB_AD30		0x03C
+#define IOCTL_EMB_AD29		0x040
+#define IOCTL_EMB_AD28		0x044
+#define IOCTL_EMB_AD27		0x048
+#define IOCTL_EMB_AD26		0x04C
+#define IOCTL_EMB_AD25		0x050
+#define IOCTL_EMB_AD24		0x054
+#define IOCTL_EMB_AD23		0x058
+#define IOCTL_EMB_AD22		0x05C
+#define IOCTL_EMB_AD21		0x060
+#define IOCTL_EMB_AD20		0x064
+#define IOCTL_EMB_AD19		0x068
+#define IOCTL_EMB_AD18		0x06C
+#define IOCTL_EMB_AD17		0x070
+#define IOCTL_EMB_AD16		0x074
+#define IOCTL_EMB_AD15		0x078
+#define IOCTL_EMB_AD14		0x07C
+#define IOCTL_EMB_AD13		0x080
+#define IOCTL_EMB_AD12		0x084
+#define IOCTL_EMB_AD11		0x088
+#define IOCTL_EMB_AD10		0x08C
+#define IOCTL_EMB_AD09		0x090
+#define IOCTL_EMB_AD08		0x094
+#define IOCTL_EMB_AD07		0x098
+#define IOCTL_EMB_AD06		0x09C
+#define IOCTL_EMB_AD05		0x0A0
+#define IOCTL_EMB_AD04		0x0A4
+#define IOCTL_EMB_AD03		0x0A8
+#define IOCTL_EMB_AD02		0x0AC
+#define IOCTL_EMB_AD01		0x0B0
+#define IOCTL_EMB_AD00		0x0B4
+#define IOCTL_PATA_CE1		0x0B8
+#define IOCTL_PATA_CE2		0x0BC
+#define IOCTL_PATA_ISOLATE	0x0C0
+#define IOCTL_PATA_IOR		0x0C4
+#define IOCTL_PATA_IOW		0x0C8
+#define IOCTL_PATA_IOCHRDY	0x0CC
+#define IOCTL_PATA_INTRQ	0x0D0
+#define IOCTL_PATA_DRQ		0x0D4
+#define IOCTL_PATA_DACK		0x0D8
+#define IOCTL_NFC_WP		0x0DC
+#define IOCTL_NFC_RB		0x0E0
+#define IOCTL_NFC_ALE		0x0E4
+#define IOCTL_NFC_CLE		0x0E8
+#define IOCTL_NFC_WE		0x0EC
+#define IOCTL_NFC_RE		0x0F0
+#define IOCTL_PCI_AD31		0x0F4
+#define IOCTL_PCI_AD30		0x0F8
+#define IOCTL_PCI_AD29		0x0FC
+#define IOCTL_PCI_AD28		0x100
+#define IOCTL_PCI_AD27		0x104
+#define IOCTL_PCI_AD26		0x108
+#define IOCTL_PCI_AD25		0x10C
+#define IOCTL_PCI_AD24		0x110
+#define IOCTL_PCI_AD23		0x114
+#define IOCTL_PCI_AD22		0x118
+#define IOCTL_PCI_AD21		0x11C
+#define IOCTL_PCI_AD20		0x120
+#define IOCTL_PCI_AD19		0x124
+#define IOCTL_PCI_AD18		0x128
+#define IOCTL_PCI_AD17		0x12C
+#define IOCTL_PCI_AD16		0x130
+#define IOCTL_PCI_AD15		0x134
+#define IOCTL_PCI_AD14		0x138
+#define IOCTL_PCI_AD13		0x13C
+#define IOCTL_PCI_AD12		0x140
+#define IOCTL_PCI_AD11		0x144
+#define IOCTL_PCI_AD10		0x148
+#define IOCTL_PCI_AD09		0x14C
+#define IOCTL_PCI_AD08		0x150
+#define IOCTL_PCI_AD07		0x154
+#define IOCTL_PCI_AD06		0x158
+#define IOCTL_PCI_AD05		0x15C
+#define IOCTL_PCI_AD04		0x160
+#define IOCTL_PCI_AD03		0x164
+#define IOCTL_PCI_AD02		0x168
+#define IOCTL_PCI_AD01		0x16C
+#define IOCTL_PCI_AD00		0x170
+#define IOCTL_PCI_CBE0		0x174
+#define IOCTL_PCI_CBE1		0x178
+#define IOCTL_PCI_CBE2		0x17C
+#define IOCTL_PCI_CBE3		0x180
+#define IOCTL_PCI_GNT2		0x184
+#define IOCTL_PCI_REQ2		0x188
+#define IOCTL_PCI_GNT1		0x18C
+#define IOCTL_PCI_REQ1		0x190
+#define IOCTL_PCI_GNT0		0x194
+#define IOCTL_PCI_REQ0		0x198
+#define IOCTL_PCI_INTA		0x19C
+#define IOCTL_PCI_CLK		0x1A0
+#define IOCTL_PCI_RST_OUT	0x1A4
+#define IOCTL_PCI_FRAME		0x1A8
+#define IOCTL_PCI_IDSEL		0x1AC
+#define IOCTL_PCI_DEVSEL	0x1B0
+#define IOCTL_PCI_IRDY		0x1B4
+#define IOCTL_PCI_TRDY		0x1B8
+#define IOCTL_PCI_STOP		0x1BC
+#define IOCTL_PCI_PAR		0x1C0
+#define IOCTL_PCI_PERR		0x1C4
+#define IOCTL_PCI_SERR		0x1C8
+#define IOCTL_SPDIF_TXCLK	0x1CC
+#define IOCTL_SPDIF_TX		0x1D0
+#define IOCTL_SPDIF_RX		0x1D4
+#define IOCTL_I2C0_SCL		0x1D8
+#define IOCTL_I2C0_SDA		0x1DC
+#define IOCTL_I2C1_SCL		0x1E0
+#define IOCTL_I2C1_SDA		0x1E4
+#define IOCTL_I2C2_SCL		0x1E8
+#define IOCTL_I2C2_SDA		0x1EC
+#define IOCTL_IRQ0		0x1F0
+#define IOCTL_IRQ1		0x1F4
+#define IOCTL_CAN1_TX		0x1F8
+#define IOCTL_CAN2_TX		0x1FC
+#define IOCTL_J1850_TX		0x200
+#define IOCTL_J1850_RX		0x204
+#define IOCTL_PSC_MCLK_IN	0x208
+#define IOCTL_PSC0_0		0x20C
+#define IOCTL_PSC0_1		0x210
+#define IOCTL_PSC0_2		0x214
+#define IOCTL_PSC0_3		0x218
+#define IOCTL_PSC0_4		0x21C
+#define IOCTL_PSC1_0		0x220
+#define IOCTL_PSC1_1		0x224
+#define IOCTL_PSC1_2		0x228
+#define IOCTL_PSC1_3		0x22C
+#define IOCTL_PSC1_4		0x230
+#define IOCTL_PSC2_0		0x234
+#define IOCTL_PSC2_1		0x238
+#define IOCTL_PSC2_2		0x23C
+#define IOCTL_PSC2_3		0x240
+#define IOCTL_PSC2_4		0x244
+#define IOCTL_PSC3_0		0x248
+#define IOCTL_PSC3_1		0x24C
+#define IOCTL_PSC3_2		0x250
+#define IOCTL_PSC3_3		0x254
+#define IOCTL_PSC3_4		0x258
+#define IOCTL_PSC4_0		0x25C
+#define IOCTL_PSC4_1		0x260
+#define IOCTL_PSC4_2		0x264
+#define IOCTL_PSC4_3		0x268
+#define IOCTL_PSC4_4		0x26C
+#define IOCTL_PSC5_0		0x270
+#define IOCTL_PSC5_1		0x274
+#define IOCTL_PSC5_2		0x278
+#define IOCTL_PSC5_3		0x27C
+#define IOCTL_PSC5_4		0x280
+#define IOCTL_PSC6_0		0x284
+#define IOCTL_PSC6_1		0x288
+#define IOCTL_PSC6_2		0x28C
+#define IOCTL_PSC6_3		0x290
+#define IOCTL_PSC6_4		0x294
+#define IOCTL_PSC7_0		0x298
+#define IOCTL_PSC7_1		0x29C
+#define IOCTL_PSC7_2		0x2A0
+#define IOCTL_PSC7_3		0x2A4
+#define IOCTL_PSC7_4		0x2A8
+#define IOCTL_PSC8_0		0x2AC
+#define IOCTL_PSC8_1		0x2B0
+#define IOCTL_PSC8_2		0x2B4
+#define IOCTL_PSC8_3		0x2B8
+#define IOCTL_PSC8_4		0x2BC
+#define IOCTL_PSC9_0		0x2C0
+#define IOCTL_PSC9_1		0x2C4
+#define IOCTL_PSC9_2		0x2C8
+#define IOCTL_PSC9_3		0x2CC
+#define IOCTL_PSC9_4		0x2D0
+#define IOCTL_PSC10_0		0x2D4
+#define IOCTL_PSC10_1		0x2D8
+#define IOCTL_PSC10_2		0x2DC
+#define IOCTL_PSC10_3		0x2E0
+#define IOCTL_PSC10_4		0x2E4
+#define IOCTL_PSC11_0		0x2E8
+#define IOCTL_PSC11_1		0x2EC
+#define IOCTL_PSC11_2		0x2F0
+#define IOCTL_PSC11_3		0x2F4
+#define IOCTL_PSC11_4		0x2F8
+#define IOCTL_HRESET		0x2FC
+#define IOCTL_SRESET		0x300
+#define IOCTL_CKSTP_OUT		0x304
+#define IOCTL_USB2_VBUS_PWR_FAULT	0x308
+#define IOCTL_USB2_VBUS_PWR_SELECT	0x30C
+#define IOCTL_USB2_PHY_DRVV_BUS		0x310
+
+extern void iopin_initialize(void);