From 2ad853c3485e08612bb7725ba50d35b679978ebc Mon Sep 17 00:00:00 2001 From: Steve Sakoman Date: Thu, 15 Jul 2010 13:43:10 -0700 Subject: 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 Signed-off-by: Aneesh V Signed-off-by: Sandeep Paulraj --- arch/arm/cpu/armv7/omap4/board.c | 11 + arch/arm/include/asm/arch-omap4/mux_omap4.h | 344 ++++++++++++++++++++++++++++ arch/arm/include/asm/arch-omap4/omap4.h | 2 + arch/arm/include/asm/arch-omap4/sys_proto.h | 1 + 4 files changed, 358 insertions(+) create mode 100644 arch/arm/include/asm/arch-omap4/mux_omap4.h (limited to 'arch/arm') diff --git a/arch/arm/cpu/armv7/omap4/board.c b/arch/arm/cpu/armv7/omap4/board.c index 5bf7173..2e80d1f 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 0000000..019574b --- /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 + * Aneesh V + * Balaji Krishnamoorthy + * + * 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 + +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 5243ea8..79ff22c 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 c6fab00..ad0c640 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; -- cgit v1.1 From 674e0b217f794800048d80de09a71255b890a53e Mon Sep 17 00:00:00 2001 From: Steve Sakoman Date: Tue, 20 Jul 2010 14:56:07 -0700 Subject: ARMV7: Fix udelay for OMAP4 The OMAP4 x-load code sets gptimer1 clock source to 32Khz. This isn't acceptable for udelay. This patch changes from gptimer1 to gptimer2, which uses sys_clk at 38.4 Mhz. Signed-off-by: Steve Sakoman Signed-off-by: Sandeep Paulraj --- arch/arm/cpu/armv7/omap-common/timer.c | 9 --------- 1 file changed, 9 deletions(-) (limited to 'arch/arm') diff --git a/arch/arm/cpu/armv7/omap-common/timer.c b/arch/arm/cpu/armv7/omap-common/timer.c index 69e285f..6b8cf7b 100644 --- a/arch/arm/cpu/armv7/omap-common/timer.c +++ b/arch/arm/cpu/armv7/omap-common/timer.c @@ -41,12 +41,8 @@ static struct gptimer *timer_base = (struct gptimer *)CONFIG_SYS_TIMERBASE; /* * Nothing really to do with interrupts, just starts up a counter. - * We run the counter with 13MHz, divided by 8, resulting in timer - * frequency of 1.625MHz. With 32bit counter register, counter - * overflows in ~44min */ -/* 13MHz / 8 = 1.625MHz */ #define TIMER_CLOCK (V_SCLK / (2 << CONFIG_SYS_PTV)) #define TIMER_LOAD_VAL 0xffffffff @@ -84,11 +80,6 @@ void set_timer(ulong t) /* delay x useconds */ void __udelay(unsigned long usec) { -#if defined(CONFIG_OMAP44XX) - /* TODO temporary hack until OMAP4 clock setup routines are present */ - if (usec > 1000) - usec = usec/1000; -#endif long tmo = usec * (TIMER_CLOCK / 1000) / 1000; unsigned long now, last = readl(&timer_base->tcrr); -- cgit v1.1 From d708395d2f83295fba9d9b18823ce17046793590 Mon Sep 17 00:00:00 2001 From: Steve Sakoman Date: Mon, 19 Jul 2010 20:31:55 -0700 Subject: ARMV7: Modify i2c driver for more reliable operation on OMAP4 This patch modifies the init routine to follow the TRM recommendations. It also modifies the i2c_read_byte function to reflect subtle differences between the i2c controller in OMAP3 and OMAP4. Signed-off-by: Steve Sakoman Acked-by: Nishanth Menon Acked-by: Heiko Schocher Signed-off-by: Sandeep Paulraj --- arch/arm/include/asm/arch-omap3/i2c.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'arch/arm') diff --git a/arch/arm/include/asm/arch-omap3/i2c.h b/arch/arm/include/asm/arch-omap3/i2c.h index 7a4a73a..d2e7488 100644 --- a/arch/arm/include/asm/arch-omap3/i2c.h +++ b/arch/arm/include/asm/arch-omap3/i2c.h @@ -34,7 +34,9 @@ struct i2c { unsigned short stat; /* 0x08 */ unsigned short res3; unsigned short iv; /* 0x0C */ - unsigned short res4[3]; + unsigned short res4; + unsigned short syss; /* 0x10 */ + unsigned short res4a; unsigned short buf; /* 0x14 */ unsigned short res5; unsigned short cnt; /* 0x18 */ -- cgit v1.1 From 9b16757758411996f36348fa688d03fced8d5e5e Mon Sep 17 00:00:00 2001 From: Steve Sakoman Date: Fri, 25 Jun 2010 12:42:04 -0700 Subject: ARMV7: Restructure omap3 musb driver to allow code sharing between OMAP3 and OMAP4 Signed-off-by: Steve Sakoman Signed-off-by: Sandeep Paulraj --- arch/arm/include/asm/arch-omap3/cpu.h | 3 +++ arch/arm/include/asm/arch-omap4/cpu.h | 3 +++ 2 files changed, 6 insertions(+) (limited to 'arch/arm') diff --git a/arch/arm/include/asm/arch-omap3/cpu.h b/arch/arm/include/asm/arch-omap3/cpu.h index c072c27..390b007 100644 --- a/arch/arm/include/asm/arch-omap3/cpu.h +++ b/arch/arm/include/asm/arch-omap3/cpu.h @@ -483,4 +483,7 @@ struct pm { #define I2C_BASE2 (OMAP34XX_CORE_L4_IO_BASE + 0x72000) #define I2C_BASE3 (OMAP34XX_CORE_L4_IO_BASE + 0x60000) +/* MUSB base */ +#define MUSB_BASE (OMAP34XX_CORE_L4_IO_BASE + 0xAB000) + #endif /* _CPU_H */ diff --git a/arch/arm/include/asm/arch-omap4/cpu.h b/arch/arm/include/asm/arch-omap4/cpu.h index c056b95..7d5748a 100644 --- a/arch/arm/include/asm/arch-omap4/cpu.h +++ b/arch/arm/include/asm/arch-omap4/cpu.h @@ -139,4 +139,7 @@ struct watchdog { #define I2C_BASE2 (OMAP44XX_L4_PER_BASE + 0x72000) #define I2C_BASE3 (OMAP44XX_L4_PER_BASE + 0x60000) +/* MUSB base */ +#define MUSB_BASE (OMAP44XX_L4_CORE_BASE + 0xAB000) + #endif /* _CPU_H */ -- cgit v1.1