mirror of
https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git
synced 2026-10-28 02:32:09 -04:00
i.MX27: Add ADS platform support
This patch adds basic support for the Freescale MX27ADS reference board. Currently only a serial console can be used. Signed-off-by: Juergen Beisert <[email protected]>
This commit is contained in:
Juergen Beisert
Robert Schwebel
parent
c46f585651
commit
80eedae6f0
6 changed files with 1496 additions and 1 deletions
354
include/asm-arm/arch-mxc/board-mx27ads.h
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354
include/asm-arm/arch-mxc/board-mx27ads.h
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@ -0,0 +1,354 @@
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/*
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* Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
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*/
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/*
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* The code contained herein is licensed under the GNU General Public
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* License. You may obtain a copy of the GNU General Public License
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* Version 2 or later at the following locations:
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*
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* http://www.opensource.org/licenses/gpl-license.html
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* http://www.gnu.org/copyleft/gpl.html
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*/
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#ifndef __ASM_ARCH_MXC_BOARD_MX27ADS_H__
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#define __ASM_ARCH_MXC_BOARD_MX27ADS_H__
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/* external interrupt multiplexer */
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#define MXC_EXP_IO_BASE (MXC_GPIO_BASE + MXC_MAX_GPIO_LINES)
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#define MXC_VIRTUAL_INTS_BASE (MXC_EXP_IO_BASE + MXC_MAX_EXP_IO_LINES)
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#define MXC_SDIO1_CARD_IRQ MXC_VIRTUAL_INTS_BASE
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#define MXC_SDIO2_CARD_IRQ (MXC_VIRTUAL_INTS_BASE + 1)
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#define MXC_SDIO3_CARD_IRQ (MXC_VIRTUAL_INTS_BASE + 2)
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#define MXC_MAX_BOARD_INTS (MXC_MAX_EXP_IO_LINES + \
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MXC_MAX_VIRTUAL_INTS)
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/*
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* MXC UART EVB board level configurations
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*/
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#define MXC_LL_EXTUART_PADDR (CS4_BASE_ADDR + 0x20000)
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#define MXC_LL_EXTUART_VADDR (CS4_BASE_ADDR_VIRT + 0x20000)
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#define MXC_LL_EXTUART_16BIT_BUS
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#define MXC_LL_UART_PADDR UART1_BASE_ADDR
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#define MXC_LL_UART_VADDR AIPI_IO_ADDRESS(UART1_BASE_ADDR)
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/*
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* @name Memory Size parameters
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*/
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/*
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* Size of SDRAM memory
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*/
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#define SDRAM_MEM_SIZE SZ_128M
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/*
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* PBC Controller parameters
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*/
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/*
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* Base address of PBC controller, CS4
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*/
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#define PBC_BASE_ADDRESS 0xEB000000
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#define PBC_REG_ADDR(offset) (PBC_BASE_ADDRESS + (offset))
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/*
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* PBC Interupt name definitions
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*/
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#define PBC_GPIO1_0 0
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#define PBC_GPIO1_1 1
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#define PBC_GPIO1_2 2
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#define PBC_GPIO1_3 3
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#define PBC_GPIO1_4 4
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#define PBC_GPIO1_5 5
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#define PBC_INTR_MAX_NUM 6
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#define PBC_INTR_SHARED_MAX_NUM 8
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/* When the PBC address connection is fixed in h/w, defined as 1 */
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#define PBC_ADDR_SH 0
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/* Offsets for the PBC Controller register */
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/*
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* PBC Board version register offset
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*/
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#define PBC_VERSION_REG PBC_REG_ADDR(0x00000 >> PBC_ADDR_SH)
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/*
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* PBC Board control register 1 set address.
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*/
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#define PBC_BCTRL1_SET_REG PBC_REG_ADDR(0x00008 >> PBC_ADDR_SH)
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/*
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* PBC Board control register 1 clear address.
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*/
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#define PBC_BCTRL1_CLEAR_REG PBC_REG_ADDR(0x0000C >> PBC_ADDR_SH)
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/*
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* PBC Board control register 2 set address.
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*/
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#define PBC_BCTRL2_SET_REG PBC_REG_ADDR(0x00010 >> PBC_ADDR_SH)
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/*
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* PBC Board control register 2 clear address.
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*/
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#define PBC_BCTRL2_CLEAR_REG PBC_REG_ADDR(0x00014 >> PBC_ADDR_SH)
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/*
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* PBC Board control register 3 set address.
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*/
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#define PBC_BCTRL3_SET_REG PBC_REG_ADDR(0x00018 >> PBC_ADDR_SH)
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/*
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* PBC Board control register 3 clear address.
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*/
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#define PBC_BCTRL3_CLEAR_REG PBC_REG_ADDR(0x0001C >> PBC_ADDR_SH)
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/*
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* PBC Board control register 3 set address.
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*/
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#define PBC_BCTRL4_SET_REG PBC_REG_ADDR(0x00020 >> PBC_ADDR_SH)
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/*
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* PBC Board control register 4 clear address.
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*/
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#define PBC_BCTRL4_CLEAR_REG PBC_REG_ADDR(0x00024 >> PBC_ADDR_SH)
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/*PBC_ADDR_SH
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* PBC Board status register 1.
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*/
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#define PBC_BSTAT1_REG PBC_REG_ADDR(0x00028 >> PBC_ADDR_SH)
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/*
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* PBC Board interrupt status register.
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*/
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#define PBC_INTSTATUS_REG PBC_REG_ADDR(0x0002C >> PBC_ADDR_SH)
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/*
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* PBC Board interrupt current status register.
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*/
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#define PBC_INTCURR_STATUS_REG PBC_REG_ADDR(0x00034 >> PBC_ADDR_SH)
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/*
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* PBC Interrupt mask register set address.
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*/
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#define PBC_INTMASK_SET_REG PBC_REG_ADDR(0x00038 >> PBC_ADDR_SH)
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/*
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* PBC Interrupt mask register clear address.
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*/
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#define PBC_INTMASK_CLEAR_REG PBC_REG_ADDR(0x0003C >> PBC_ADDR_SH)
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/*
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* External UART A.
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*/
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#define PBC_SC16C652_UARTA_REG PBC_REG_ADDR(0x20000 >> PBC_ADDR_SH)
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/*
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* UART 4 Expanding Signal Status.
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*/
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#define PBC_UART_STATUS_REG PBC_REG_ADDR(0x22000 >> PBC_ADDR_SH)
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/*
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* UART 4 Expanding Signal Control Set.
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*/
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#define PBC_UCTRL_SET_REG PBC_REG_ADDR(0x24000 >> PBC_ADDR_SH)
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/*
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* UART 4 Expanding Signal Control Clear.
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*/
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#define PBC_UCTRL_CLR_REG PBC_REG_ADDR(0x26000 >> PBC_ADDR_SH)
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/*
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* Ethernet Controller IO base address.
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*/
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#define PBC_CS8900A_IOBASE_REG PBC_REG_ADDR(0x40000 >> PBC_ADDR_SH)
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/*
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* Ethernet Controller Memory base address.
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*/
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#define PBC_CS8900A_MEMBASE_REG PBC_REG_ADDR(0x42000 >> PBC_ADDR_SH)
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/*
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* Ethernet Controller DMA base address.
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*/
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#define PBC_CS8900A_DMABASE_REG PBC_REG_ADDR(0x44000 >> PBC_ADDR_SH)
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/* PBC Board Version Register bit definition */
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#define PBC_VERSION_ADS 0x8000 /* Bit15=1 means version for ads */
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#define PBC_VERSION_EVB_REVB 0x4000 /* BIT14=1 means version for evb revb */
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/* PBC Board Control Register 1 bit definitions */
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#define PBC_BCTRL1_ERST 0x0001 /* Ethernet Reset */
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#define PBC_BCTRL1_URST 0x0002 /* Reset External UART controller */
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#define PBC_BCTRL1_FRST 0x0004 /* FEC Reset */
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#define PBC_BCTRL1_ESLEEP 0x0010 /* Enable ethernet Sleep */
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#define PBC_BCTRL1_LCDON 0x0800 /* Enable the LCD */
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/* PBC Board Control Register 2 bit definitions */
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#define PBC_BCTRL2_VCC_EN 0x0004 /* Enable VCC */
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#define PBC_BCTRL2_VPP_EN 0x0008 /* Enable Vpp */
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#define PBC_BCTRL2_ATAFEC_EN 0X0010
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#define PBC_BCTRL2_ATAFEC_SEL 0X0020
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#define PBC_BCTRL2_ATA_EN 0X0040
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#define PBC_BCTRL2_IRDA_SD 0X0080
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#define PBC_BCTRL2_IRDA_EN 0X0100
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#define PBC_BCTRL2_CCTL10 0X0200
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#define PBC_BCTRL2_CCTL11 0X0400
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/* PBC Board Control Register 3 bit definitions */
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#define PBC_BCTRL3_HSH_EN 0X0020
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#define PBC_BCTRL3_FSH_MOD 0X0040
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#define PBC_BCTRL3_OTG_HS_EN 0X0080
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#define PBC_BCTRL3_OTG_VBUS_EN 0X0100
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#define PBC_BCTRL3_FSH_VBUS_EN 0X0200
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#define PBC_BCTRL3_USB_OTG_ON 0X0800
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#define PBC_BCTRL3_USB_FSH_ON 0X1000
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/* PBC Board Control Register 4 bit definitions */
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#define PBC_BCTRL4_REGEN_SEL 0X0001
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#define PBC_BCTRL4_USER_OFF 0X0002
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#define PBC_BCTRL4_VIB_EN 0X0004
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#define PBC_BCTRL4_PWRGT1_EN 0X0008
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#define PBC_BCTRL4_PWRGT2_EN 0X0010
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#define PBC_BCTRL4_STDBY_PRI 0X0020
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#ifndef __ASSEMBLY__
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/*
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* Enumerations for SD cards and memory stick card. This corresponds to
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* the card EN bits in the IMR: SD1_EN | MS_EN | SD3_EN | SD2_EN.
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*/
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enum mxc_card_no {
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MXC_CARD_SD2 = 0,
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MXC_CARD_SD3,
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MXC_CARD_MS,
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MXC_CARD_SD1,
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MXC_CARD_MIN = MXC_CARD_SD2,
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MXC_CARD_MAX = MXC_CARD_SD1,
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};
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#endif
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#define MXC_CPLD_VER_1_50 0x01
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/*
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* PBC BSTAT Register bit definitions
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*/
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#define PBC_BSTAT_PRI_INT 0X0001
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#define PBC_BSTAT_USB_BYP 0X0002
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#define PBC_BSTAT_ATA_IOCS16 0X0004
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#define PBC_BSTAT_ATA_CBLID 0X0008
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#define PBC_BSTAT_ATA_DASP 0X0010
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#define PBC_BSTAT_PWR_RDY 0X0020
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#define PBC_BSTAT_SD3_WP 0X0100
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#define PBC_BSTAT_SD2_WP 0X0200
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#define PBC_BSTAT_SD1_WP 0X0400
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#define PBC_BSTAT_SD3_DET 0X0800
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#define PBC_BSTAT_SD2_DET 0X1000
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#define PBC_BSTAT_SD1_DET 0X2000
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#define PBC_BSTAT_MS_DET 0X4000
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#define PBC_BSTAT_SD3_DET_BIT 11
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#define PBC_BSTAT_SD2_DET_BIT 12
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#define PBC_BSTAT_SD1_DET_BIT 13
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#define PBC_BSTAT_MS_DET_BIT 14
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#define MXC_BSTAT_BIT(n) ((n == MXC_CARD_SD2) ? PBC_BSTAT_SD2_DET : \
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((n == MXC_CARD_SD3) ? PBC_BSTAT_SD3_DET : \
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((n == MXC_CARD_SD1) ? PBC_BSTAT_SD1_DET : \
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((n == MXC_CARD_MS) ? PBC_BSTAT_MS_DET : \
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0x0))))
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/*
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* PBC UART Control Register bit definitions
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*/
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#define PBC_UCTRL_DCE_DCD 0X0001
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#define PBC_UCTRL_DCE_DSR 0X0002
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#define PBC_UCTRL_DCE_RI 0X0004
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#define PBC_UCTRL_DTE_DTR 0X0100
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/*
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* PBC UART Status Register bit definitions
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*/
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#define PBC_USTAT_DTE_DCD 0X0001
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#define PBC_USTAT_DTE_DSR 0X0002
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#define PBC_USTAT_DTE_RI 0X0004
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#define PBC_USTAT_DCE_DTR 0X0100
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/*
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* PBC Interupt mask register bit definitions
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*/
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#define PBC_INTR_SD3_R_EN_BIT 4
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#define PBC_INTR_SD2_R_EN_BIT 0
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#define PBC_INTR_SD1_R_EN_BIT 6
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#define PBC_INTR_MS_R_EN_BIT 5
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#define PBC_INTR_SD3_EN_BIT 13
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#define PBC_INTR_SD2_EN_BIT 12
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#define PBC_INTR_MS_EN_BIT 14
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#define PBC_INTR_SD1_EN_BIT 15
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#define PBC_INTR_SD2_R_EN 0x0001
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#define PBC_INTR_LOW_BAT 0X0002
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#define PBC_INTR_OTG_FSOVER 0X0004
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#define PBC_INTR_FSH_OVER 0X0008
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#define PBC_INTR_SD3_R_EN 0x0010
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#define PBC_INTR_MS_R_EN 0x0020
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#define PBC_INTR_SD1_R_EN 0x0040
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#define PBC_INTR_FEC_INT 0X0080
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#define PBC_INTR_ENET_INT 0X0100
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#define PBC_INTR_OTGFS_INT 0X0200
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#define PBC_INTR_XUART_INT 0X0400
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#define PBC_INTR_CCTL12 0X0800
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#define PBC_INTR_SD2_EN 0x1000
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#define PBC_INTR_SD3_EN 0x2000
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#define PBC_INTR_MS_EN 0x4000
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#define PBC_INTR_SD1_EN 0x8000
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/* For interrupts like xuart, enet etc */
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#define EXPIO_PARENT_INT IOMUX_TO_IRQ(MX27_PIN_TIN)
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#define MXC_MAX_EXP_IO_LINES 16
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/*
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* This corresponds to PBC_INTMASK_SET_REG at offset 0x38.
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*
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*/
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#define EXPIO_INT_LOW_BAT (MXC_EXP_IO_BASE + 1)
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#define EXPIO_INT_OTG_FS_OVR (MXC_EXP_IO_BASE + 2)
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#define EXPIO_INT_FSH_OVR (MXC_EXP_IO_BASE + 3)
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#define EXPIO_INT_RES4 (MXC_EXP_IO_BASE + 4)
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#define EXPIO_INT_RES5 (MXC_EXP_IO_BASE + 5)
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#define EXPIO_INT_RES6 (MXC_EXP_IO_BASE + 6)
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#define EXPIO_INT_FEC (MXC_EXP_IO_BASE + 7)
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#define EXPIO_INT_ENET_INT (MXC_EXP_IO_BASE + 8)
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#define EXPIO_INT_OTG_FS_INT (MXC_EXP_IO_BASE + 9)
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#define EXPIO_INT_XUART_INTA (MXC_EXP_IO_BASE + 10)
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#define EXPIO_INT_CCTL12_INT (MXC_EXP_IO_BASE + 11)
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#define EXPIO_INT_SD2_EN (MXC_EXP_IO_BASE + 12)
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#define EXPIO_INT_SD3_EN (MXC_EXP_IO_BASE + 13)
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#define EXPIO_INT_MS_EN (MXC_EXP_IO_BASE + 14)
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#define EXPIO_INT_SD1_EN (MXC_EXP_IO_BASE + 15)
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/*
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* This is System IRQ used by CS8900A for interrupt generation
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* taken from platform.h
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*/
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#define CS8900AIRQ EXPIO_INT_ENET_INT
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/* This is I/O Base address used to access registers of CS8900A on MXC ADS */
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#define CS8900A_BASE_ADDRESS (PBC_CS8900A_IOBASE_REG + 0x300)
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#define MXC_PMIC_INT_LINE IOMUX_TO_IRQ(MX27_PIN_TOUT)
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/*
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* This is used to detect if the CPLD version is for mx27 evb board rev-a
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*/
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#define PBC_CPLD_VERSION_IS_REVA() \
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((__raw_readw(PBC_VERSION_REG) & \
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(PBC_VERSION_ADS | PBC_VERSION_EVB_REVB))\
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== 0)
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/* This is used to active or inactive ata signal in CPLD .
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* It is dependent with hardware
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*/
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#define PBC_ATA_SIGNAL_ACTIVE() \
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__raw_writew( \
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PBC_BCTRL2_ATAFEC_EN|PBC_BCTRL2_ATAFEC_SEL|PBC_BCTRL2_ATA_EN, \
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PBC_BCTRL2_CLEAR_REG)
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#define PBC_ATA_SIGNAL_INACTIVE() \
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__raw_writew( \
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PBC_BCTRL2_ATAFEC_EN|PBC_BCTRL2_ATAFEC_SEL|PBC_BCTRL2_ATA_EN, \
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PBC_BCTRL2_SET_REG)
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#define MXC_BD_LED1 (1 << 5)
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#define MXC_BD_LED2 (1 << 6)
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#define MXC_BD_LED_ON(led) \
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__raw_writew(led, PBC_BCTRL1_SET_REG)
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#define MXC_BD_LED_OFF(led) \
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__raw_writew(led, PBC_BCTRL1_CLEAR_REG)
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/* to determine the correct external crystal reference */
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#define CKIH_27MHZ_BIT_SET (1 << 3)
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#endif /* __ASM_ARCH_MXC_BOARD_MX27ADS_H__ */
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@ -22,7 +22,9 @@
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#ifdef CONFIG_MACH_MX31LITE
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#include <asm/arch/board-mx31lite.h>
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#endif
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#ifdef CONFIG_MACH_MX27ADS
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#include <asm/arch/board-mx27ads.h>
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#endif
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.macro addruart,rx
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mrc p15, 0, \rx, c1, c0
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tst \rx, #1 @ MMU enabled?
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