u-boot/include/asm-arm/arch-mx31/mx31-regs.h
Guennadi Liakhovetski b5dc9b304d Support for the MX31ADS evaluation board from Freescale
This patch adds support for the MX31ADS evaluation board from Freescale,
initialization code is copied from RedBoot sources, also provided by
Freescale.

Signed-off-by: Guennadi Liakhovetski <lg@denx.de>
2008-04-18 10:05:14 -07:00

156 lines
4.9 KiB
C

/*
*
* (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
*
* 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 __ASM_ARCH_MX31_REGS_H
#define __ASM_ARCH_MX31_REGS_H
#define __REG(x) (*((volatile u32 *)(x)))
#define __REG16(x) (*((volatile u16 *)(x)))
#define __REG8(x) (*((volatile u8 *)(x)))
#define CCM_BASE 0x53f80000
#define CCM_CCMR (CCM_BASE + 0x00)
#define CCM_PDR0 (CCM_BASE + 0x04)
#define CCM_PDR1 (CCM_BASE + 0x08)
#define CCM_RCSR (CCM_BASE + 0x0c)
#define CCM_MPCTL (CCM_BASE + 0x10)
#define CCM_UPCTL (CCM_BASE + 0x10)
#define CCM_SPCTL (CCM_BASE + 0x18)
#define CCM_COSR (CCM_BASE + 0x1C)
#define CCM_CGR0 (CCM_BASE + 0x20)
#define CCM_CGR1 (CCM_BASE + 0x24)
#define CCM_CGR2 (CCM_BASE + 0x28)
#define CCMR_MDS (1 << 7)
#define CCMR_SBYCS (1 << 4)
#define CCMR_MPE (1 << 3)
#define CCMR_PRCS_MASK (3 << 1)
#define CCMR_FPM (1 << 1)
#define CCMR_CKIH (2 << 1)
#define PDR0_CSI_PODF(x) (((x) & 0x1ff) << 23)
#define PDR0_PER_PODF(x) (((x) & 0x1f) << 16)
#define PDR0_HSP_PODF(x) (((x) & 0x7) << 11)
#define PDR0_NFC_PODF(x) (((x) & 0x7) << 8)
#define PDR0_IPG_PODF(x) (((x) & 0x3) << 6)
#define PDR0_MAX_PODF(x) (((x) & 0x7) << 3)
#define PDR0_MCU_PODF(x) ((x) & 0x7)
#define PLL_PD(x) (((x) & 0xf) << 26)
#define PLL_MFD(x) (((x) & 0x3ff) << 16)
#define PLL_MFI(x) (((x) & 0xf) << 10)
#define PLL_MFN(x) (((x) & 0x3ff) << 0)
#define WEIM_BASE 0xb8002000
#define CSCR_U(x) (WEIM_BASE + (x) * 0x10)
#define CSCR_L(x) (WEIM_BASE + 4 + (x) * 0x10)
#define CSCR_A(x) (WEIM_BASE + 8 + (x) * 0x10)
#define IOMUXC_BASE 0x43FAC000
#define IOMUXC_GPR (IOMUXC_BASE + 0x8)
#define IOMUXC_SW_MUX_CTL(x) (IOMUXC_BASE + 0xc + (x) * 4)
#define IOMUXC_SW_PAD_CTL(x) (IOMUXC_BASE + 0x154 + (x) * 4)
#define IPU_BASE 0x53fc0000
#define IPU_CONF IPU_BASE
#define IPU_CONF_PXL_ENDIAN (1<<8)
#define IPU_CONF_DU_EN (1<<7)
#define IPU_CONF_DI_EN (1<<6)
#define IPU_CONF_ADC_EN (1<<5)
#define IPU_CONF_SDC_EN (1<<4)
#define IPU_CONF_PF_EN (1<<3)
#define IPU_CONF_ROT_EN (1<<2)
#define IPU_CONF_IC_EN (1<<1)
#define IPU_CONF_SCI_EN (1<<0)
#define WDOG_BASE 0x53FDC000
/*
* Signal Multiplexing (IOMUX)
*/
/* bits in the SW_MUX_CTL registers */
#define MUX_CTL_OUT_GPIO_DR (0 << 4)
#define MUX_CTL_OUT_FUNC (1 << 4)
#define MUX_CTL_OUT_ALT1 (2 << 4)
#define MUX_CTL_OUT_ALT2 (3 << 4)
#define MUX_CTL_OUT_ALT3 (4 << 4)
#define MUX_CTL_OUT_ALT4 (5 << 4)
#define MUX_CTL_OUT_ALT5 (6 << 4)
#define MUX_CTL_OUT_ALT6 (7 << 4)
#define MUX_CTL_IN_NONE (0 << 0)
#define MUX_CTL_IN_GPIO (1 << 0)
#define MUX_CTL_IN_FUNC (2 << 0)
#define MUX_CTL_IN_ALT1 (4 << 0)
#define MUX_CTL_IN_ALT2 (8 << 0)
#define MUX_CTL_FUNC (MUX_CTL_OUT_FUNC | MUX_CTL_IN_FUNC)
#define MUX_CTL_ALT1 (MUX_CTL_OUT_ALT1 | MUX_CTL_IN_ALT1)
#define MUX_CTL_ALT2 (MUX_CTL_OUT_ALT2 | MUX_CTL_IN_ALT2)
#define MUX_CTL_GPIO (MUX_CTL_OUT_GPIO_DR | MUX_CTL_IN_GPIO)
/* Register offsets based on IOMUXC_BASE */
/* 0x00 .. 0x7b */
#define MUX_CTL_RTS1 0x7c
#define MUX_CTL_CTS1 0x7d
#define MUX_CTL_DTR_DCE1 0x7e
#define MUX_CTL_DSR_DCE1 0x7f
#define MUX_CTL_CSPI2_SCLK 0x80
#define MUX_CTL_CSPI2_SPI_RDY 0x81
#define MUX_CTL_RXD1 0x82
#define MUX_CTL_TXD1 0x83
#define MUX_CTL_CSPI2_MISO 0x84
#define MUX_CTL_CSPI2_SS0 0x85
#define MUX_CTL_CSPI2_SS1 0x86
#define MUX_CTL_CSPI2_SS2 0x87
#define MUX_CTL_CSPI2_MOSI 0x8b
/* The modes a specific pin can be in
* these macros can be used in mx31_gpio_mux() and have the form
* MUX_[contact name]__[pin function]
*/
#define MUX_RXD1__UART1_RXD_MUX ((MUX_CTL_FUNC << 8) | MUX_CTL_RXD1)
#define MUX_TXD1__UART1_TXD_MUX ((MUX_CTL_FUNC << 8) | MUX_CTL_TXD1)
#define MUX_RTS1__UART1_RTS_B ((MUX_CTL_FUNC << 8) | MUX_CTL_RTS1)
#define MUX_RTS1__UART1_CTS_B ((MUX_CTL_FUNC << 8) | MUX_CTL_CTS1)
#define MUX_CSPI2_MOSI__I2C2_SCL ((MUX_CTL_ALT1 << 8) | MUX_CTL_CSPI2_MOSI)
#define MUX_CSPI2_MISO__I2C2_SCL ((MUX_CTL_ALT1 << 8) | MUX_CTL_CSPI2_MISO)
/*
* Memory regions and CS
*/
#define IPU_MEM_BASE 0x70000000
#define CSD0_BASE 0x80000000
#define CSD1_BASE 0x90000000
#define CS0_BASE 0xA0000000
#define CS1_BASE 0xA8000000
#define CS2_BASE 0xB0000000
#define CS3_BASE 0xB2000000
#define CS4_BASE 0xB4000000
#define CS4_PSRAM_BASE 0xB5000000
#define CS5_BASE 0xB6000000
#define PCMCIA_MEM_BASE 0xC0000000
#endif /* __ASM_ARCH_MX31_REGS_H */