arm, da850: Add pinmux configurations to the arch tree

Up to now nearly every davinci board has separate code for the
definition of pinmux configurations. This patch adds pinmux
configurations for the DA850 SoCs to the arch tree which may later
be used for all DA850 based boards.

Signed-off-by: Christian Riesch <christian.riesch@omicron.at>
Cc: Sandeep Paulraj <s-paulraj@ti.com>
Cc: Heiko Schocher <hs@denx.de>
Cc: Mike Frysinger <vapier@gentoo.org>
Acked-by: Heiko Schocher <hs@denx.de>

3 files changed, 217 insertions, 0 deletions

diff --git a/arch/arm/cpu/arm926ejs/davinci/Makefile b/arch/arm/cpu/arm926ejs/davinci/Makefile
index 2105ec5de9..4ac187ad07 100644
--- a/arch/arm/cpu/arm926ejs/davinci/Makefile
+++ b/arch/arm/cpu/arm926ejs/davinci/Makefile
@@ -33,6 +33,7 @@ COBJS-$(CONFIG_SOC_DM355)	+= dm355.o
 COBJS-$(CONFIG_SOC_DM365)	+= dm365.o
 COBJS-$(CONFIG_SOC_DM644X)	+= dm644x.o
 COBJS-$(CONFIG_SOC_DM646X)	+= dm646x.o
+COBJS-$(CONFIG_SOC_DA850)	+= da850_pinmux.o
 COBJS-$(CONFIG_DRIVER_TI_EMAC)	+= lxt972.o dp83848.o et1011c.o ksz8873.o
 
 ifdef CONFIG_SPL_BUILD
diff --git a/arch/arm/cpu/arm926ejs/davinci/da850_pinmux.c b/arch/arm/cpu/arm926ejs/davinci/da850_pinmux.c
new file mode 100644
index 0000000000..a3472eace0
--- /dev/null
+++ b/arch/arm/cpu/arm926ejs/davinci/da850_pinmux.c
@@ -0,0 +1,166 @@
+/*
+ * Pinmux configurations for the DA850 SoCs
+ *
+ * Copyright (C) 2011 OMICRON electronics GmbH
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <common.h>
+#include <asm/arch/davinci_misc.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/pinmux_defs.h>
+
+/* SPI pin muxer settings */
+const struct pinmux_config spi1_pins_base[] = {
+	{ pinmux(5), 1, 2 }, /* SPI1_CLK */
+	{ pinmux(5), 1, 4 }, /* SPI1_SOMI */
+	{ pinmux(5), 1, 5 }, /* SPI1_SIMO */
+};
+
+const struct pinmux_config spi1_pins_scs0[] = {
+	{ pinmux(5), 1, 1 }, /* SPI1_SCS[0] */
+};
+
+/* UART pin muxer settings */
+const struct pinmux_config uart2_pins_txrx[] = {
+	{ pinmux(4), 2, 4 }, /* UART2_RXD */
+	{ pinmux(4), 2, 5 }, /* UART2_TXD */
+};
+
+const struct pinmux_config uart2_pins_rtscts[] = {
+	{ pinmux(0), 4, 6 }, /* UART2_RTS */
+	{ pinmux(0), 4, 7 }, /* UART2_CTS */
+};
+
+/* EMAC pin muxer settings*/
+const struct pinmux_config emac_pins_rmii[] = {
+	{ pinmux(14), 8, 2 }, /* RMII_TXD[1] */
+	{ pinmux(14), 8, 3 }, /* RMII_TXD[0] */
+	{ pinmux(14), 8, 4 }, /* RMII_TXEN */
+	{ pinmux(14), 8, 5 }, /* RMII_RXD[1] */
+	{ pinmux(14), 8, 6 }, /* RMII_RXD[0] */
+	{ pinmux(14), 8, 7 }, /* RMII_RXER */
+	{ pinmux(15), 8, 1 }, /* RMII_CRS_DV */
+};
+
+const struct pinmux_config emac_pins_mii[] = {
+	{ pinmux(2), 8, 1 }, /* MII_TXEN */
+	{ pinmux(2), 8, 2 }, /* MII_TXCLK */
+	{ pinmux(2), 8, 3 }, /* MII_COL */
+	{ pinmux(2), 8, 4 }, /* MII_TXD[3] */
+	{ pinmux(2), 8, 5 }, /* MII_TXD[2] */
+	{ pinmux(2), 8, 6 }, /* MII_TXD[1] */
+	{ pinmux(2), 8, 7 }, /* MII_TXD[0] */
+	{ pinmux(3), 8, 0 }, /* MII_RXCLK */
+	{ pinmux(3), 8, 1 }, /* MII_RXDV */
+	{ pinmux(3), 8, 2 }, /* MII_RXER */
+	{ pinmux(3), 8, 3 }, /* MII_CRS */
+	{ pinmux(3), 8, 4 }, /* MII_RXD[3] */
+	{ pinmux(3), 8, 5 }, /* MII_RXD[2] */
+	{ pinmux(3), 8, 6 }, /* MII_RXD[1] */
+	{ pinmux(3), 8, 7 }, /* MII_RXD[0] */
+};
+
+const struct pinmux_config emac_pins_mdio[] = {
+	{ pinmux(4), 8, 0 }, /* MDIO_CLK */
+	{ pinmux(4), 8, 1 }, /* MDIO_D */
+};
+
+/* I2C pin muxer settings */
+const struct pinmux_config i2c0_pins[] = {
+	{ pinmux(4), 2, 2 }, /* I2C0_SCL */
+	{ pinmux(4), 2, 3 }, /* I2C0_SDA */
+};
+
+const struct pinmux_config i2c1_pins[] = {
+	{ pinmux(4), 4, 4 }, /* I2C1_SCL */
+	{ pinmux(4), 4, 5 }, /* I2C1_SDA */
+};
+
+/* EMIFA pin muxer settings */
+const struct pinmux_config emifa_pins_cs2[] = {
+	{ pinmux(7), 1, 0 }, /* EMA_CS2 */
+};
+
+const struct pinmux_config emifa_pins_cs3[] = {
+	{ pinmux(7), 1, 1 }, /* EMA_CS[3] */
+};
+
+const struct pinmux_config emifa_pins_cs4[] = {
+	{ pinmux(7), 1, 2 }, /* EMA_CS[4] */
+};
+
+const struct pinmux_config emifa_pins_nand[] = {
+	{ pinmux(7), 1, 4 },  /* EMA_WE */
+	{ pinmux(7), 1, 5 },  /* EMA_OE */
+	{ pinmux(9), 1, 0 },  /* EMA_D[7] */
+	{ pinmux(9), 1, 1 },  /* EMA_D[6] */
+	{ pinmux(9), 1, 2 },  /* EMA_D[5] */
+	{ pinmux(9), 1, 3 },  /* EMA_D[4] */
+	{ pinmux(9), 1, 4 },  /* EMA_D[3] */
+	{ pinmux(9), 1, 5 },  /* EMA_D[2] */
+	{ pinmux(9), 1, 6 },  /* EMA_D[1] */
+	{ pinmux(9), 1, 7 },  /* EMA_D[0] */
+	{ pinmux(12), 1, 5 }, /* EMA_A[2] */
+	{ pinmux(12), 1, 6 }, /* EMA_A[1] */
+};
+
+/* NOR pin muxer settings */
+const struct pinmux_config emifa_pins_nor[] = {
+	{ pinmux(5), 1, 6 },  /* EMA_BA[1] */
+	{ pinmux(6), 1, 6 },  /* EMA_WAIT[1] */
+	{ pinmux(7), 1, 4 },  /* EMA_WE */
+	{ pinmux(7), 1, 5 },  /* EMA_OE */
+	{ pinmux(8), 1, 0 },  /* EMA_D[15] */
+	{ pinmux(8), 1, 1 },  /* EMA_D[14] */
+	{ pinmux(8), 1, 2 },  /* EMA_D[13] */
+	{ pinmux(8), 1, 3 },  /* EMA_D[12] */
+	{ pinmux(8), 1, 4 },  /* EMA_D[11] */
+	{ pinmux(8), 1, 5 },  /* EMA_D[10] */
+	{ pinmux(8), 1, 6 },  /* EMA_D[9] */
+	{ pinmux(8), 1, 7 },  /* EMA_D[8] */
+	{ pinmux(9), 1, 0 },  /* EMA_D[7] */
+	{ pinmux(9), 1, 1 },  /* EMA_D[6] */
+	{ pinmux(9), 1, 2 },  /* EMA_D[5] */
+	{ pinmux(9), 1, 3 },  /* EMA_D[4] */
+	{ pinmux(9), 1, 4 },  /* EMA_D[3] */
+	{ pinmux(9), 1, 5 },  /* EMA_D[2] */
+	{ pinmux(9), 1, 6 },  /* EMA_D[1] */
+	{ pinmux(9), 1, 7 },  /* EMA_D[0] */
+	{ pinmux(10), 1, 1 }, /* EMA_A[22] */
+	{ pinmux(10), 1, 2 }, /* EMA_A[21] */
+	{ pinmux(10), 1, 3 }, /* EMA_A[20] */
+	{ pinmux(10), 1, 4 }, /* EMA_A[19] */
+	{ pinmux(10), 1, 5 }, /* EMA_A[18] */
+	{ pinmux(10), 1, 6 }, /* EMA_A[17] */
+	{ pinmux(10), 1, 7 }, /* EMA_A[16] */
+	{ pinmux(11), 1, 0 }, /* EMA_A[15] */
+	{ pinmux(11), 1, 1 }, /* EMA_A[14] */
+	{ pinmux(11), 1, 2 }, /* EMA_A[13] */
+	{ pinmux(11), 1, 3 }, /* EMA_A[12] */
+	{ pinmux(11), 1, 4 }, /* EMA_A[11] */
+	{ pinmux(11), 1, 5 }, /* EMA_A[10] */
+	{ pinmux(11), 1, 6 }, /* EMA_A[9] */
+	{ pinmux(11), 1, 7 }, /* EMA_A[8] */
+	{ pinmux(12), 1, 0 }, /* EMA_A[7] */
+	{ pinmux(12), 1, 1 }, /* EMA_A[6] */
+	{ pinmux(12), 1, 2 }, /* EMA_A[5] */
+	{ pinmux(12), 1, 3 }, /* EMA_A[4] */
+	{ pinmux(12), 1, 4 }, /* EMA_A[3] */
+	{ pinmux(12), 1, 5 }, /* EMA_A[2] */
+	{ pinmux(12), 1, 6 }, /* EMA_A[1] */
+	{ pinmux(12), 1, 7 }, /* EMA_A[0] */
+};
diff --git a/arch/arm/include/asm/arch-davinci/pinmux_defs.h b/arch/arm/include/asm/arch-davinci/pinmux_defs.h
new file mode 100644
index 0000000000..191494ba24
--- /dev/null
+++ b/arch/arm/include/asm/arch-davinci/pinmux_defs.h
@@ -0,0 +1,50 @@
+/*
+ * Pinmux configurations for the DAxxx SoCs
+ *
+ * Copyright (C) 2011 OMICRON electronics GmbH
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __ASM_ARCH_PINMUX_DEFS_H
+#define __ASM_ARCH_PINMUX_DEFS_H
+
+#include <asm/arch/davinci_misc.h>
+
+/* SPI pin muxer settings */
+extern const struct pinmux_config spi1_pins_base[3];
+extern const struct pinmux_config spi1_pins_scs0[1];
+
+/* UART pin muxer settings */
+extern const struct pinmux_config uart2_pins_txrx[2];
+extern const struct pinmux_config uart2_pins_rtscts[2];
+
+/* EMAC pin muxer settings*/
+extern const struct pinmux_config emac_pins_rmii[7];
+extern const struct pinmux_config emac_pins_mii[15];
+extern const struct pinmux_config emac_pins_mdio[2];
+
+/* I2C pin muxer settings */
+extern const struct pinmux_config i2c0_pins[2];
+extern const struct pinmux_config i2c1_pins[2];
+
+/* EMIFA pin muxer settings */
+extern const struct pinmux_config emifa_pins_cs2[1];
+extern const struct pinmux_config emifa_pins_cs3[1];
+extern const struct pinmux_config emifa_pins_cs4[1];
+extern const struct pinmux_config emifa_pins_nand[12];
+extern const struct pinmux_config emifa_pins_nor[43];
+
+#endif