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authorSteve Sakoman <steve@sakoman.com>2010-07-15 13:43:10 -0700
committerSandeep Paulraj <s-paulraj@ti.com>2010-08-05 10:11:14 -0400
commit2ad853c3485e08612bb7725ba50d35b679978ebc (patch)
tree98fed499c3fb97e11919765af05a3742e8928ed6 /arch
parent9efac4a1eb99d9c5539aa6992025eeacab7980c6 (diff)
downloadu-boot-linaro-stable-2ad853c3485e08612bb7725ba50d35b679978ebc.tar.gz
ARMV7: Add pad mux support for OMAP4
Add functional multiplexing support for OMAP4 pads. Configure all the pads for the OMAP4430 SDP and OMAP4 Panda boards Signed-off-by: Steve Sakoman <steve@sakoman.com> Signed-off-by: Aneesh V <aneesh@ti.com> Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/cpu/armv7/omap4/board.c11
-rw-r--r--arch/arm/include/asm/arch-omap4/mux_omap4.h344
-rw-r--r--arch/arm/include/asm/arch-omap4/omap4.h2
-rw-r--r--arch/arm/include/asm/arch-omap4/sys_proto.h1
4 files changed, 358 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/omap4/board.c b/arch/arm/cpu/armv7/omap4/board.c
index 5bf717303..2e80d1fbf 100644
--- a/arch/arm/cpu/armv7/omap4/board.c
+++ b/arch/arm/cpu/armv7/omap4/board.c
@@ -88,3 +88,14 @@ int checkboard(void)
return 0;
}
+/*
+* This function is called by start_armboot. You can reliably use static
+* data. Any boot-time function that require static data should be
+* called from here
+*/
+int arch_cpu_init(void)
+{
+ set_muxconf_regs();
+ return 0;
+}
+
diff --git a/arch/arm/include/asm/arch-omap4/mux_omap4.h b/arch/arm/include/asm/arch-omap4/mux_omap4.h
new file mode 100644
index 000000000..019574b09
--- /dev/null
+++ b/arch/arm/include/asm/arch-omap4/mux_omap4.h
@@ -0,0 +1,344 @@
+/*
+ * (C) Copyright 2004-2009
+ * Texas Instruments Incorporated
+ * Richard Woodruff <r-woodruff2@ti.com>
+ * Aneesh V <aneesh@ti.com>
+ * Balaji Krishnamoorthy <balajitk@ti.com>
+ *
+ * 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
+ */
+#ifndef _MUX_OMAP4_H_
+#define _MUX_OMAP4_H_
+
+#include <asm/types.h>
+
+struct pad_conf_entry {
+
+ u16 offset;
+
+ u16 val;
+
+} __attribute__ ((packed));
+
+#ifdef CONFIG_OFF_PADCONF
+#define OFF_PD (1 << 12)
+#define OFF_PU (3 << 12)
+#define OFF_OUT_PTD (0 << 10)
+#define OFF_OUT_PTU (2 << 10)
+#define OFF_IN (1 << 10)
+#define OFF_OUT (0 << 10)
+#define OFF_EN (1 << 9)
+#else
+#define OFF_PD (0 << 12)
+#define OFF_PU (0 << 12)
+#define OFF_OUT_PTD (0 << 10)
+#define OFF_OUT_PTU (0 << 10)
+#define OFF_IN (0 << 10)
+#define OFF_OUT (0 << 10)
+#define OFF_EN (0 << 9)
+#endif
+
+#define IEN (1 << 8)
+#define IDIS (0 << 8)
+#define PTU (3 << 3)
+#define PTD (1 << 3)
+#define EN (1 << 3)
+#define DIS (0 << 3)
+
+#define M0 0
+#define M1 1
+#define M2 2
+#define M3 3
+#define M4 4
+#define M5 5
+#define M6 6
+#define M7 7
+
+#define SAFE_MODE M7
+
+#ifdef CONFIG_OFF_PADCONF
+#define OFF_IN_PD (OFF_PD | OFF_IN | OFF_EN)
+#define OFF_IN_PU (OFF_PU | OFF_IN | OFF_EN)
+#define OFF_OUT_PD (OFF_OUT_PTD | OFF_OUT | OFF_EN)
+#define OFF_OUT_PU (OFF_OUT_PTU | OFF_OUT | OFF_EN)
+#else
+#define OFF_IN_PD 0
+#define OFF_IN_PU 0
+#define OFF_OUT_PD 0
+#define OFF_OUT_PU 0
+#endif
+
+#define CORE_REVISION 0x0000
+#define CORE_HWINFO 0x0004
+#define CORE_SYSCONFIG 0x0010
+#define GPMC_AD0 0x0040
+#define GPMC_AD1 0x0042
+#define GPMC_AD2 0x0044
+#define GPMC_AD3 0x0046
+#define GPMC_AD4 0x0048
+#define GPMC_AD5 0x004A
+#define GPMC_AD6 0x004C
+#define GPMC_AD7 0x004E
+#define GPMC_AD8 0x0050
+#define GPMC_AD9 0x0052
+#define GPMC_AD10 0x0054
+#define GPMC_AD11 0x0056
+#define GPMC_AD12 0x0058
+#define GPMC_AD13 0x005A
+#define GPMC_AD14 0x005C
+#define GPMC_AD15 0x005E
+#define GPMC_A16 0x0060
+#define GPMC_A17 0x0062
+#define GPMC_A18 0x0064
+#define GPMC_A19 0x0066
+#define GPMC_A20 0x0068
+#define GPMC_A21 0x006A
+#define GPMC_A22 0x006C
+#define GPMC_A23 0x006E
+#define GPMC_A24 0x0070
+#define GPMC_A25 0x0072
+#define GPMC_NCS0 0x0074
+#define GPMC_NCS1 0x0076
+#define GPMC_NCS2 0x0078
+#define GPMC_NCS3 0x007A
+#define GPMC_NWP 0x007C
+#define GPMC_CLK 0x007E
+#define GPMC_NADV_ALE 0x0080
+#define GPMC_NOE 0x0082
+#define GPMC_NWE 0x0084
+#define GPMC_NBE0_CLE 0x0086
+#define GPMC_NBE1 0x0088
+#define GPMC_WAIT0 0x008A
+#define GPMC_WAIT1 0x008C
+#define C2C_DATA11 0x008E
+#define C2C_DATA12 0x0090
+#define C2C_DATA13 0x0092
+#define C2C_DATA14 0x0094
+#define C2C_DATA15 0x0096
+#define HDMI_HPD 0x0098
+#define HDMI_CEC 0x009A
+#define HDMI_DDC_SCL 0x009C
+#define HDMI_DDC_SDA 0x009E
+#define CSI21_DX0 0x00A0
+#define CSI21_DY0 0x00A2
+#define CSI21_DX1 0x00A4
+#define CSI21_DY1 0x00A6
+#define CSI21_DX2 0x00A8
+#define CSI21_DY2 0x00AA
+#define CSI21_DX3 0x00AC
+#define CSI21_DY3 0x00AE
+#define CSI21_DX4 0x00B0
+#define CSI21_DY4 0x00B2
+#define CSI22_DX0 0x00B4
+#define CSI22_DY0 0x00B6
+#define CSI22_DX1 0x00B8
+#define CSI22_DY1 0x00BA
+#define CAM_SHUTTER 0x00BC
+#define CAM_STROBE 0x00BE
+#define CAM_GLOBALRESET 0x00C0
+#define USBB1_ULPITLL_CLK 0x00C2
+#define USBB1_ULPITLL_STP 0x00C4
+#define USBB1_ULPITLL_DIR 0x00C6
+#define USBB1_ULPITLL_NXT 0x00C8
+#define USBB1_ULPITLL_DAT0 0x00CA
+#define USBB1_ULPITLL_DAT1 0x00CC
+#define USBB1_ULPITLL_DAT2 0x00CE
+#define USBB1_ULPITLL_DAT3 0x00D0
+#define USBB1_ULPITLL_DAT4 0x00D2
+#define USBB1_ULPITLL_DAT5 0x00D4
+#define USBB1_ULPITLL_DAT6 0x00D6
+#define USBB1_ULPITLL_DAT7 0x00D8
+#define USBB1_HSIC_DATA 0x00DA
+#define USBB1_HSIC_STROBE 0x00DC
+#define USBC1_ICUSB_DP 0x00DE
+#define USBC1_ICUSB_DM 0x00E0
+#define SDMMC1_CLK 0x00E2
+#define SDMMC1_CMD 0x00E4
+#define SDMMC1_DAT0 0x00E6
+#define SDMMC1_DAT1 0x00E8
+#define SDMMC1_DAT2 0x00EA
+#define SDMMC1_DAT3 0x00EC
+#define SDMMC1_DAT4 0x00EE
+#define SDMMC1_DAT5 0x00F0
+#define SDMMC1_DAT6 0x00F2
+#define SDMMC1_DAT7 0x00F4
+#define ABE_MCBSP2_CLKX 0x00F6
+#define ABE_MCBSP2_DR 0x00F8
+#define ABE_MCBSP2_DX 0x00FA
+#define ABE_MCBSP2_FSX 0x00FC
+#define ABE_MCBSP1_CLKX 0x00FE
+#define ABE_MCBSP1_DR 0x0100
+#define ABE_MCBSP1_DX 0x0102
+#define ABE_MCBSP1_FSX 0x0104
+#define ABE_PDM_UL_DATA 0x0106
+#define ABE_PDM_DL_DATA 0x0108
+#define ABE_PDM_FRAME 0x010A
+#define ABE_PDM_LB_CLK 0x010C
+#define ABE_CLKS 0x010E
+#define ABE_DMIC_CLK1 0x0110
+#define ABE_DMIC_DIN1 0x0112
+#define ABE_DMIC_DIN2 0x0114
+#define ABE_DMIC_DIN3 0x0116
+#define UART2_CTS 0x0118
+#define UART2_RTS 0x011A
+#define UART2_RX 0x011C
+#define UART2_TX 0x011E
+#define HDQ_SIO 0x0120
+#define I2C1_SCL 0x0122
+#define I2C1_SDA 0x0124
+#define I2C2_SCL 0x0126
+#define I2C2_SDA 0x0128
+#define I2C3_SCL 0x012A
+#define I2C3_SDA 0x012C
+#define I2C4_SCL 0x012E
+#define I2C4_SDA 0x0130
+#define MCSPI1_CLK 0x0132
+#define MCSPI1_SOMI 0x0134
+#define MCSPI1_SIMO 0x0136
+#define MCSPI1_CS0 0x0138
+#define MCSPI1_CS1 0x013A
+#define MCSPI1_CS2 0x013C
+#define MCSPI1_CS3 0x013E
+#define UART3_CTS_RCTX 0x0140
+#define UART3_RTS_SD 0x0142
+#define UART3_RX_IRRX 0x0144
+#define UART3_TX_IRTX 0x0146
+#define SDMMC5_CLK 0x0148
+#define SDMMC5_CMD 0x014A
+#define SDMMC5_DAT0 0x014C
+#define SDMMC5_DAT1 0x014E
+#define SDMMC5_DAT2 0x0150
+#define SDMMC5_DAT3 0x0152
+#define MCSPI4_CLK 0x0154
+#define MCSPI4_SIMO 0x0156
+#define MCSPI4_SOMI 0x0158
+#define MCSPI4_CS0 0x015A
+#define UART4_RX 0x015C
+#define UART4_TX 0x015E
+#define USBB2_ULPITLL_CLK 0x0160
+#define USBB2_ULPITLL_STP 0x0162
+#define USBB2_ULPITLL_DIR 0x0164
+#define USBB2_ULPITLL_NXT 0x0166
+#define USBB2_ULPITLL_DAT0 0x0168
+#define USBB2_ULPITLL_DAT1 0x016A
+#define USBB2_ULPITLL_DAT2 0x016C
+#define USBB2_ULPITLL_DAT3 0x016E
+#define USBB2_ULPITLL_DAT4 0x0170
+#define USBB2_ULPITLL_DAT5 0x0172
+#define USBB2_ULPITLL_DAT6 0x0174
+#define USBB2_ULPITLL_DAT7 0x0176
+#define USBB2_HSIC_DATA 0x0178
+#define USBB2_HSIC_STROBE 0x017A
+#define UNIPRO_TX0 0x017C
+#define UNIPRO_TY0 0x017E
+#define UNIPRO_TX1 0x0180
+#define UNIPRO_TY1 0x0182
+#define UNIPRO_TX2 0x0184
+#define UNIPRO_TY2 0x0186
+#define UNIPRO_RX0 0x0188
+#define UNIPRO_RY0 0x018A
+#define UNIPRO_RX1 0x018C
+#define UNIPRO_RY1 0x018E
+#define UNIPRO_RX2 0x0190
+#define UNIPRO_RY2 0x0192
+#define USBA0_OTG_CE 0x0194
+#define USBA0_OTG_DP 0x0196
+#define USBA0_OTG_DM 0x0198
+#define FREF_CLK1_OUT 0x019A
+#define FREF_CLK2_OUT 0x019C
+#define SYS_NIRQ1 0x019E
+#define SYS_NIRQ2 0x01A0
+#define SYS_BOOT0 0x01A2
+#define SYS_BOOT1 0x01A4
+#define SYS_BOOT2 0x01A6
+#define SYS_BOOT3 0x01A8
+#define SYS_BOOT4 0x01AA
+#define SYS_BOOT5 0x01AC
+#define DPM_EMU0 0x01AE
+#define DPM_EMU1 0x01B0
+#define DPM_EMU2 0x01B2
+#define DPM_EMU3 0x01B4
+#define DPM_EMU4 0x01B6
+#define DPM_EMU5 0x01B8
+#define DPM_EMU6 0x01BA
+#define DPM_EMU7 0x01BC
+#define DPM_EMU8 0x01BE
+#define DPM_EMU9 0x01C0
+#define DPM_EMU10 0x01C2
+#define DPM_EMU11 0x01C4
+#define DPM_EMU12 0x01C6
+#define DPM_EMU13 0x01C8
+#define DPM_EMU14 0x01CA
+#define DPM_EMU15 0x01CC
+#define DPM_EMU16 0x01CE
+#define DPM_EMU17 0x01D0
+#define DPM_EMU18 0x01D2
+#define DPM_EMU19 0x01D4
+#define WAKEUPEVENT_0 0x01D8
+#define WAKEUPEVENT_1 0x01DC
+#define WAKEUPEVENT_2 0x01E0
+#define WAKEUPEVENT_3 0x01E4
+#define WAKEUPEVENT_4 0x01E8
+#define WAKEUPEVENT_5 0x01EC
+#define WAKEUPEVENT_6 0x01F0
+
+#define WKUP_REVISION 0x0000
+#define WKUP_HWINFO 0x0004
+#define WKUP_SYSCONFIG 0x0010
+#define PAD0_SIM_IO 0x0040
+#define PAD1_SIM_CLK 0x0042
+#define PAD0_SIM_RESET 0x0044
+#define PAD1_SIM_CD 0x0046
+#define PAD0_SIM_PWRCTRL 0x0048
+#define PAD1_SR_SCL 0x004A
+#define PAD0_SR_SDA 0x004C
+#define PAD1_FREF_XTAL_IN 0x004E
+#define PAD0_FREF_SLICER_IN 0x0050
+#define PAD1_FREF_CLK_IOREQ 0x0052
+#define PAD0_FREF_CLK0_OUT 0x0054
+#define PAD1_FREF_CLK3_REQ 0x0056
+#define PAD0_FREF_CLK3_OUT 0x0058
+#define PAD1_FREF_CLK4_REQ 0x005A
+#define PAD0_FREF_CLK4_OUT 0x005C
+#define PAD1_SYS_32K 0x005E
+#define PAD0_SYS_NRESPWRON 0x0060
+#define PAD1_SYS_NRESWARM 0x0062
+#define PAD0_SYS_PWR_REQ 0x0064
+#define PAD1_SYS_PWRON_RESET 0x0066
+#define PAD0_SYS_BOOT6 0x0068
+#define PAD1_SYS_BOOT7 0x006A
+#define PAD0_JTAG_NTRST 0x006C
+#define PAD1_JTAG_TCK 0x006D
+#define PAD0_JTAG_RTCK 0x0070
+#define PAD1_JTAG_TMS_TMSC 0x0072
+#define PAD0_JTAG_TDI 0x0074
+#define PAD1_JTAG_TDO 0x0076
+#define PADCONF_WAKEUPEVENT_0 0x007C
+#define CONTROL_SMART1NOPMIO_PADCONF_0 0x05A0
+#define CONTROL_SMART1NOPMIO_PADCONF_1 0x05A4
+#define PADCONF_MODE 0x05A8
+#define CONTROL_XTAL_OSCILLATOR 0x05AC
+#define CONTROL_CONTROL_I2C_2 0x0604
+#define CONTROL_CONTROL_JTAG 0x0608
+#define CONTROL_CONTROL_SYS 0x060C
+#define CONTROL_SPARE_RW 0x0614
+#define CONTROL_SPARE_R 0x0618
+#define CONTROL_SPARE_R_C0 0x061C
+
+#endif /* _MUX_OMAP4_H_ */
diff --git a/arch/arm/include/asm/arch-omap4/omap4.h b/arch/arm/include/asm/arch-omap4/omap4.h
index 5243ea8e7..79ff22cf3 100644
--- a/arch/arm/include/asm/arch-omap4/omap4.h
+++ b/arch/arm/include/asm/arch-omap4/omap4.h
@@ -44,6 +44,8 @@
/* CONTROL */
#define CTRL_BASE (OMAP44XX_L4_CORE_BASE + 0x2000)
+#define CONTROL_PADCONF_CORE (OMAP44XX_L4_CORE_BASE + 0x100000)
+#define CONTROL_PADCONF_WKUP (OMAP44XX_L4_CORE_BASE + 0x31E000)
/* UART */
#define UART1_BASE (OMAP44XX_L4_PER_BASE + 0x6a000)
diff --git a/arch/arm/include/asm/arch-omap4/sys_proto.h b/arch/arm/include/asm/arch-omap4/sys_proto.h
index c6fab002f..ad0c640df 100644
--- a/arch/arm/include/asm/arch-omap4/sys_proto.h
+++ b/arch/arm/include/asm/arch-omap4/sys_proto.h
@@ -32,6 +32,7 @@ void gpmc_init(void);
void watchdog_init(void);
u32 get_device_type(void);
void invalidate_dcache(u32);
+void set_muxconf_regs(void);
extern const struct omap_sysinfo sysinfo;