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195 lines
5.7 KiB
195 lines
5.7 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* arch/arm/mach-pxa/include/mach/idp.h |
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* |
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* Copyright (c) 2001 Cliff Brake, Accelent Systems Inc. |
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* |
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* 2001-09-13: Cliff Brake <[email protected]> |
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* Initial code |
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* |
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* 2005-02-15: Cliff Brake <[email protected]> |
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* <http://www.vibren.com> <http://bec-systems.com> |
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* Changes for 2.6 kernel. |
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*/ |
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/* |
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* Note: this file must be safe to include in assembly files |
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* |
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* Support for the Vibren PXA255 IDP requires rev04 or later |
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* IDP hardware. |
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*/ |
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#include <mach/irqs.h> /* PXA_GPIO_TO_IRQ */ |
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#define IDP_FLASH_PHYS (PXA_CS0_PHYS) |
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#define IDP_ALT_FLASH_PHYS (PXA_CS1_PHYS) |
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#define IDP_MEDIAQ_PHYS (PXA_CS3_PHYS) |
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#define IDP_IDE_PHYS (PXA_CS5_PHYS + 0x03000000) |
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#define IDP_ETH_PHYS (PXA_CS5_PHYS + 0x03400000) |
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#define IDP_COREVOLT_PHYS (PXA_CS5_PHYS + 0x03800000) |
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#define IDP_CPLD_PHYS (PXA_CS5_PHYS + 0x03C00000) |
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/* |
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* virtual memory map |
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*/ |
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#define IDP_COREVOLT_VIRT (0xf0000000) |
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#define IDP_COREVOLT_SIZE (1*1024*1024) |
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#define IDP_CPLD_VIRT (IDP_COREVOLT_VIRT + IDP_COREVOLT_SIZE) |
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#define IDP_CPLD_SIZE (1*1024*1024) |
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#if (IDP_CPLD_VIRT + IDP_CPLD_SIZE) > 0xfc000000 |
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#error Your custom IO space is getting a bit large !! |
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#endif |
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#define CPLD_P2V(x) ((x) - IDP_CPLD_PHYS + IDP_CPLD_VIRT) |
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#define CPLD_V2P(x) ((x) - IDP_CPLD_VIRT + IDP_CPLD_PHYS) |
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#ifndef __ASSEMBLY__ |
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# define __CPLD_REG(x) (*((volatile unsigned long *)CPLD_P2V(x))) |
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#else |
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# define __CPLD_REG(x) CPLD_P2V(x) |
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#endif |
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/* board level registers in the CPLD: (offsets from CPLD_VIRT) */ |
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#define _IDP_CPLD_REV (IDP_CPLD_PHYS + 0x00) |
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#define _IDP_CPLD_PERIPH_PWR (IDP_CPLD_PHYS + 0x04) |
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#define _IDP_CPLD_LED_CONTROL (IDP_CPLD_PHYS + 0x08) |
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#define _IDP_CPLD_KB_COL_HIGH (IDP_CPLD_PHYS + 0x0C) |
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#define _IDP_CPLD_KB_COL_LOW (IDP_CPLD_PHYS + 0x10) |
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#define _IDP_CPLD_PCCARD_EN (IDP_CPLD_PHYS + 0x14) |
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#define _IDP_CPLD_GPIOH_DIR (IDP_CPLD_PHYS + 0x18) |
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#define _IDP_CPLD_GPIOH_VALUE (IDP_CPLD_PHYS + 0x1C) |
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#define _IDP_CPLD_GPIOL_DIR (IDP_CPLD_PHYS + 0x20) |
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#define _IDP_CPLD_GPIOL_VALUE (IDP_CPLD_PHYS + 0x24) |
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#define _IDP_CPLD_PCCARD_PWR (IDP_CPLD_PHYS + 0x28) |
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#define _IDP_CPLD_MISC_CTRL (IDP_CPLD_PHYS + 0x2C) |
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#define _IDP_CPLD_LCD (IDP_CPLD_PHYS + 0x30) |
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#define _IDP_CPLD_FLASH_WE (IDP_CPLD_PHYS + 0x34) |
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#define _IDP_CPLD_KB_ROW (IDP_CPLD_PHYS + 0x50) |
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#define _IDP_CPLD_PCCARD0_STATUS (IDP_CPLD_PHYS + 0x54) |
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#define _IDP_CPLD_PCCARD1_STATUS (IDP_CPLD_PHYS + 0x58) |
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#define _IDP_CPLD_MISC_STATUS (IDP_CPLD_PHYS + 0x5C) |
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/* FPGA register virtual addresses */ |
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#define IDP_CPLD_REV __CPLD_REG(_IDP_CPLD_REV) |
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#define IDP_CPLD_PERIPH_PWR __CPLD_REG(_IDP_CPLD_PERIPH_PWR) |
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#define IDP_CPLD_LED_CONTROL __CPLD_REG(_IDP_CPLD_LED_CONTROL) |
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#define IDP_CPLD_KB_COL_HIGH __CPLD_REG(_IDP_CPLD_KB_COL_HIGH) |
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#define IDP_CPLD_KB_COL_LOW __CPLD_REG(_IDP_CPLD_KB_COL_LOW) |
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#define IDP_CPLD_PCCARD_EN __CPLD_REG(_IDP_CPLD_PCCARD_EN) |
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#define IDP_CPLD_GPIOH_DIR __CPLD_REG(_IDP_CPLD_GPIOH_DIR) |
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#define IDP_CPLD_GPIOH_VALUE __CPLD_REG(_IDP_CPLD_GPIOH_VALUE) |
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#define IDP_CPLD_GPIOL_DIR __CPLD_REG(_IDP_CPLD_GPIOL_DIR) |
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#define IDP_CPLD_GPIOL_VALUE __CPLD_REG(_IDP_CPLD_GPIOL_VALUE) |
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#define IDP_CPLD_PCCARD_PWR __CPLD_REG(_IDP_CPLD_PCCARD_PWR) |
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#define IDP_CPLD_MISC_CTRL __CPLD_REG(_IDP_CPLD_MISC_CTRL) |
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#define IDP_CPLD_LCD __CPLD_REG(_IDP_CPLD_LCD) |
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#define IDP_CPLD_FLASH_WE __CPLD_REG(_IDP_CPLD_FLASH_WE) |
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#define IDP_CPLD_KB_ROW __CPLD_REG(_IDP_CPLD_KB_ROW) |
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#define IDP_CPLD_PCCARD0_STATUS __CPLD_REG(_IDP_CPLD_PCCARD0_STATUS) |
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#define IDP_CPLD_PCCARD1_STATUS __CPLD_REG(_IDP_CPLD_PCCARD1_STATUS) |
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#define IDP_CPLD_MISC_STATUS __CPLD_REG(_IDP_CPLD_MISC_STATUS) |
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/* |
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* Bit masks for various registers |
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*/ |
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// IDP_CPLD_PCCARD_PWR |
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#define PCC0_PWR0 (1 << 0) |
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#define PCC0_PWR1 (1 << 1) |
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#define PCC0_PWR2 (1 << 2) |
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#define PCC0_PWR3 (1 << 3) |
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#define PCC1_PWR0 (1 << 4) |
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#define PCC1_PWR1 (1 << 5) |
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#define PCC1_PWR2 (1 << 6) |
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#define PCC1_PWR3 (1 << 7) |
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// IDP_CPLD_PCCARD_EN |
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#define PCC0_RESET (1 << 6) |
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#define PCC1_RESET (1 << 7) |
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#define PCC0_ENABLE (1 << 0) |
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#define PCC1_ENABLE (1 << 1) |
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// IDP_CPLD_PCCARDx_STATUS |
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#define _PCC_WRPROT (1 << 7) // 7-4 read as low true |
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#define _PCC_RESET (1 << 6) |
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#define _PCC_IRQ (1 << 5) |
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#define _PCC_INPACK (1 << 4) |
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#define PCC_BVD2 (1 << 3) |
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#define PCC_BVD1 (1 << 2) |
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#define PCC_VS2 (1 << 1) |
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#define PCC_VS1 (1 << 0) |
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/* A listing of interrupts used by external hardware devices */ |
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#define TOUCH_PANEL_IRQ PXA_GPIO_TO_IRQ(5) |
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#define IDE_IRQ PXA_GPIO_TO_IRQ(21) |
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#define TOUCH_PANEL_IRQ_EDGE IRQ_TYPE_EDGE_FALLING |
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#define ETHERNET_IRQ PXA_GPIO_TO_IRQ(4) |
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#define ETHERNET_IRQ_EDGE IRQ_TYPE_EDGE_RISING |
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#define IDE_IRQ_EDGE IRQ_TYPE_EDGE_RISING |
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#define PCMCIA_S0_CD_VALID PXA_GPIO_TO_IRQ(7) |
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#define PCMCIA_S0_CD_VALID_EDGE IRQ_TYPE_EDGE_BOTH |
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#define PCMCIA_S1_CD_VALID PXA_GPIO_TO_IRQ(8) |
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#define PCMCIA_S1_CD_VALID_EDGE IRQ_TYPE_EDGE_BOTH |
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#define PCMCIA_S0_RDYINT PXA_GPIO_TO_IRQ(19) |
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#define PCMCIA_S1_RDYINT PXA_GPIO_TO_IRQ(22) |
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/* |
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* Macros for LED Driver |
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*/ |
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/* leds 0 = ON */ |
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#define IDP_HB_LED (1<<5) |
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#define IDP_BUSY_LED (1<<6) |
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#define IDP_LEDS_MASK (IDP_HB_LED | IDP_BUSY_LED) |
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/* |
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* macros for MTD driver |
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*/ |
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#define FLASH_WRITE_PROTECT_DISABLE() ((IDP_CPLD_FLASH_WE) &= ~(0x1)) |
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#define FLASH_WRITE_PROTECT_ENABLE() ((IDP_CPLD_FLASH_WE) |= (0x1)) |
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/* |
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* macros for matrix keyboard driver |
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*/ |
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#define KEYBD_MATRIX_NUMBER_INPUTS 7 |
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#define KEYBD_MATRIX_NUMBER_OUTPUTS 14 |
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#define KEYBD_MATRIX_INVERT_OUTPUT_LOGIC FALSE |
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#define KEYBD_MATRIX_INVERT_INPUT_LOGIC FALSE |
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#define KEYBD_MATRIX_SETTLING_TIME_US 100 |
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#define KEYBD_MATRIX_KEYSTATE_DEBOUNCE_CONSTANT 2 |
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#define KEYBD_MATRIX_SET_OUTPUTS(outputs) \ |
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{\ |
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IDP_CPLD_KB_COL_LOW = outputs;\ |
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IDP_CPLD_KB_COL_HIGH = outputs >> 7;\ |
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} |
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#define KEYBD_MATRIX_GET_INPUTS(inputs) \ |
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{\ |
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inputs = (IDP_CPLD_KB_ROW & 0x7f);\ |
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} |
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