[ARM] 3666/1: TRIZEPS4 [1/5] core

Patch from Jrgen Schindele

This patch adds support for Trizeps4 SoM and ConXS-evalboard
from "Keith und Koep" This DIMM-module is based on PXA270.
Signed-off-by: Jrgen Schindele <linux@schindele.name>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/Kconfig

@@ -547,7 +547,7 @@ config LEDS
 		   ARCH_LUBBOCK || MACH_MAINSTONE || ARCH_NETWINDER || \
 		   ARCH_OMAP || ARCH_P720T || ARCH_PXA_IDP || \
 		   ARCH_SA1100 || ARCH_SHARK || ARCH_VERSATILE || \
-		   ARCH_AT91RM9200
+		   ARCH_AT91RM9200 || MACH_TRIZEPS4
 	help
 	  If you say Y here, the LEDs on your machine will be used
 	  to provide useful information about your current system status.

arch/arm/mach-pxa/Kconfig

@@ -35,6 +35,10 @@ config PXA_SHARPSL
 	  SL-C3000 (Spitz), SL-C3100 (Borzoi) or SL-C6000x (Tosa)
 	  handheld computer.
 
+config MACH_TRIZEPS4
+	bool "Keith und Koep Trizeps4 DIMM-Module"
+	select PXA27x
+
 endchoice
 
 if PXA_SHARPSL
@@ -55,6 +59,21 @@ endchoice
 
 endif
 
+if MACH_TRIZEPS4
+
+choice
+	prompt "Select base board for Trizeps 4 module"
+
+config MACH_TRIZEPS4_CONXS
+	bool "ConXS Eval Board"
+
+config MACH_TRIZEPS4_ANY
+	bool "another Board"
+
+endchoice
+
+endif
+
 endmenu
 
 config MACH_POODLE

arch/arm/mach-pxa/Makefile

@@ -12,6 +12,7 @@ obj-$(CONFIG_ARCH_LUBBOCK) += lubbock.o
 obj-$(CONFIG_MACH_LOGICPD_PXA270) += lpd270.o
 obj-$(CONFIG_MACH_MAINSTONE) += mainstone.o
 obj-$(CONFIG_ARCH_PXA_IDP) += idp.o
+obj-$(CONFIG_MACH_TRIZEPS4)	+= trizeps4.o
 obj-$(CONFIG_PXA_SHARP_C7xx)	+= corgi.o corgi_ssp.o corgi_lcd.o sharpsl_pm.o corgi_pm.o
 obj-$(CONFIG_PXA_SHARP_Cxx00)	+= spitz.o corgi_ssp.o corgi_lcd.o sharpsl_pm.o spitz_pm.o
 obj-$(CONFIG_MACH_AKITA)	+= akita-ioexp.o
@@ -23,6 +24,7 @@ led-y := leds.o
 led-$(CONFIG_ARCH_LUBBOCK) += leds-lubbock.o
 led-$(CONFIG_MACH_MAINSTONE) += leds-mainstone.o
 led-$(CONFIG_ARCH_PXA_IDP) += leds-idp.o
+led-$(CONFIG_MACH_TRIZEPS4) += leds-trizeps4.o
 
 obj-$(CONFIG_LEDS) += $(led-y)
 

arch/arm/mach-pxa/leds-trizeps4.c

+/*
+ * linux/arch/arm/mach-pxa/leds-trizeps4.c
+ *
+ *  Author:	Jürgen Schindele
+ *  Created:	20 02, 2006
+ *  Copyright:	Jürgen Schindele
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/config.h>
+#include <linux/init.h>
+
+#include <asm/hardware.h>
+#include <asm/system.h>
+#include <asm/types.h>
+#include <asm/leds.h>
+
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/trizeps4.h>
+
+#include "leds.h"
+
+#define LED_STATE_ENABLED	1
+#define LED_STATE_CLAIMED	2
+
+#define SYS_BUSY		0x01
+#define HEARTBEAT		0x02
+#define BLINK			0x04
+
+static unsigned int led_state;
+static unsigned int hw_led_state;
+
+void trizeps4_leds_event(led_event_t evt)
+{
+	unsigned long flags;
+
+	local_irq_save(flags);
+
+	switch (evt) {
+	case led_start:
+		hw_led_state = 0;
+		pxa_gpio_mode( GPIO_SYS_BUSY_LED  | GPIO_OUT);		/* LED1 */
+		pxa_gpio_mode( GPIO_HEARTBEAT_LED | GPIO_OUT);		/* LED2 */
+		led_state = LED_STATE_ENABLED;
+		break;
+
+	case led_stop:
+		led_state &= ~LED_STATE_ENABLED;
+		break;
+
+	case led_claim:
+		led_state |= LED_STATE_CLAIMED;
+		hw_led_state = 0;
+		break;
+
+	case led_release:
+		led_state &= ~LED_STATE_CLAIMED;
+		hw_led_state = 0;
+		break;
+
+#ifdef CONFIG_LEDS_TIMER
+	case led_timer:
+		hw_led_state ^= HEARTBEAT;
+		break;
+#endif
+
+#ifdef CONFIG_LEDS_CPU
+	case led_idle_start:
+		hw_led_state &= ~SYS_BUSY;
+		break;
+
+	case led_idle_end:
+		hw_led_state |= SYS_BUSY;
+		break;
+#endif
+
+	case led_halted:
+		break;
+
+	case led_green_on:
+		hw_led_state |= BLINK;
+		break;
+
+	case led_green_off:
+		hw_led_state &= ~BLINK;
+		break;
+
+	case led_amber_on:
+		break;
+
+	case led_amber_off:
+		break;
+
+	case led_red_on:
+		break;
+
+	case led_red_off:
+		break;
+
+	default:
+		break;
+	}
+
+	if  (led_state & LED_STATE_ENABLED) {
+		switch (hw_led_state) {
+			case 0:
+				GPSR(GPIO_SYS_BUSY_LED)  |= GPIO_bit(GPIO_SYS_BUSY_LED);
+				GPSR(GPIO_HEARTBEAT_LED) |= GPIO_bit(GPIO_HEARTBEAT_LED);
+				break;
+			case 1:
+				GPCR(GPIO_SYS_BUSY_LED)  |= GPIO_bit(GPIO_SYS_BUSY_LED);
+				GPSR(GPIO_HEARTBEAT_LED) |= GPIO_bit(GPIO_HEARTBEAT_LED);
+				break;
+			case 2:
+				GPSR(GPIO_SYS_BUSY_LED)  |= GPIO_bit(GPIO_SYS_BUSY_LED);
+				GPCR(GPIO_HEARTBEAT_LED) |= GPIO_bit(GPIO_HEARTBEAT_LED);
+				break;
+			case 3:
+				GPCR(GPIO_SYS_BUSY_LED)  |= GPIO_bit(GPIO_SYS_BUSY_LED);
+				GPCR(GPIO_HEARTBEAT_LED) |= GPIO_bit(GPIO_HEARTBEAT_LED);
+				break;
+		}
+	}
+	else {
+		/* turn all off */
+		GPSR(GPIO_SYS_BUSY_LED)  |= GPIO_bit(GPIO_SYS_BUSY_LED);
+		GPSR(GPIO_HEARTBEAT_LED) |= GPIO_bit(GPIO_HEARTBEAT_LED);
+	}
+
+	local_irq_restore(flags);
+}

arch/arm/mach-pxa/leds.c

@@ -24,6 +24,8 @@ pxa_leds_init(void)
 		leds_event = mainstone_leds_event;
 	if (machine_is_pxa_idp())
 		leds_event = idp_leds_event;
+	if (machine_is_trizeps4())
+		leds_event = trizeps4_leds_event;
 
 	leds_event(led_start);
 	return 0;

arch/arm/mach-pxa/leds.h

@@ -10,3 +10,4 @@
 extern void idp_leds_event(led_event_t evt);
 extern void lubbock_leds_event(led_event_t evt);
 extern void mainstone_leds_event(led_event_t evt);
+extern void trizeps4_leds_event(led_event_t evt);

include/asm-arm/arch-pxa/pxa-regs.h

@@ -1329,6 +1329,7 @@
 #define GPIO84_NSRXD		84	/* NSSP receive */
 #define GPIO85_nPCE_1		85	/* Card Enable for Card Space (PXA27x) */
 #define GPIO92_MMCDAT0		92	/* MMC DAT0 (PXA27x) */
+#define GPIO102_nPCE_1		102	/* PCMCIA (PXA27x) */
 #define GPIO109_MMCDAT1		109	/* MMC DAT1 (PXA27x) */
 #define GPIO110_MMCDAT2		110	/* MMC DAT2 (PXA27x) */
 #define GPIO110_MMCCS0		110	/* MMC Chip Select 0 (PXA27x) */
@@ -1471,6 +1472,7 @@
 #define GPIO84_NSSP_RX      	(84 | GPIO_ALT_FN_2_IN)
 #define GPIO85_nPCE_1_MD	(85 | GPIO_ALT_FN_1_OUT)
 #define GPIO92_MMCDAT0_MD	(92 | GPIO_ALT_FN_1_OUT)
+#define GPIO102_nPCE_1_MD	(102 | GPIO_ALT_FN_1_OUT)
 #define GPIO104_pSKTSEL_MD	(104 | GPIO_ALT_FN_1_OUT)
 #define GPIO109_MMCDAT1_MD	(109 | GPIO_ALT_FN_1_OUT)
 #define GPIO110_MMCDAT2_MD	(110 | GPIO_ALT_FN_1_OUT)

include/asm-arm/arch-pxa/trizeps4.h

+/************************************************************************
+ * Include file for TRIZEPS4 SoM and ConXS eval-board
+ * Copyright (c) Jürgen Schindele
+ * 2006
+ ************************************************************************/
+
+/*
+ * Includes/Defines
+ */
+#ifndef _TRIPEPS4_H_
+#define _TRIPEPS4_H_
+
+/* physical memory regions */
+#define TRIZEPS4_FLASH_PHYS	(PXA_CS0_PHYS)  /* Flash region */
+#define TRIZEPS4_DISK_PHYS	(PXA_CS1_PHYS)  /* Disk On Chip region */
+#define TRIZEPS4_ETH_PHYS	(PXA_CS2_PHYS)  /* Ethernet DM9000 region */
+#define TRIZEPS4_PIC_PHYS	(PXA_CS3_PHYS)	/* Logic chip on ConXS-Board */
+#define TRIZEPS4_SDRAM_BASE	0xa0000000      /* SDRAM region */
+
+#define TRIZEPS4_CFSR_PHYS	(PXA_CS3_PHYS)			/* Logic chip on ConXS-Board CSFR register */
+#define TRIZEPS4_BOCR_PHYS	(PXA_CS3_PHYS+0x02000000)	/* Logic chip on ConXS-Board BOCR register */
+#define TRIZEPS4_IRCR_PHYS	(PXA_CS3_PHYS+0x02400000)	/* Logic chip on ConXS-Board IRCR register*/
+#define TRIZEPS4_UPSR_PHYS	(PXA_CS3_PHYS+0x02800000)	/* Logic chip on ConXS-Board UPSR register*/
+#define TRIZEPS4_DICR_PHYS	(PXA_CS3_PHYS+0x03800000)	/* Logic chip on ConXS-Board DICR register*/
+
+/* virtual memory regions */
+#define TRIZEPS4_DISK_VIRT	0xF0000000	/* Disk On Chip region */
+
+#define TRIZEPS4_PIC_VIRT	0xF0100000	/* not used */
+#define TRIZEPS4_CFSR_VIRT	0xF0100000
+#define TRIZEPS4_BOCR_VIRT	0xF0200000
+#define TRIZEPS4_DICR_VIRT	0xF0300000
+#define TRIZEPS4_IRCR_VIRT	0xF0400000
+#define TRIZEPS4_UPSR_VIRT	0xF0500000
+
+/* size of flash */
+#define TRIZEPS4_FLASH_SIZE	0x02000000	/* Flash size 32 MB */
+
+/* Ethernet Controller Davicom DM9000 */
+#define GPIO_DM9000		101
+#define TRIZEPS4_ETH_IRQ	IRQ_GPIO(GPIO_DM9000)
+
+/* UCB1400 audio / TS-controller */
+#define GPIO_UCB1400		1
+#define TRIZEPS4_UCB1400_IRQ	IRQ_GPIO(GPIO_UCB1400)
+
+/* PCMCIA socket Compact Flash */
+#define GPIO_PCD		11		/* PCMCIA Card Detect */
+#define TRIZEPS4_CD_IRQ		IRQ_GPIO(GPIO_PCD)
+#define GPIO_PRDY		13		/* READY / nINT */
+#define TRIZEPS4_READY_NINT	IRQ_GPIO(GPIO_PRDY)
+
+/* MMC socket */
+#define GPIO_MMC_DET		12
+#define TRIZEPS4_MMC_IRQ	IRQ_GPIO(GPIO_MMC_DET)
+
+/* LEDS using tx2 / rx2 */
+#define GPIO_SYS_BUSY_LED	46
+#define GPIO_HEARTBEAT_LED	47
+
+/* Off-module PIC on ConXS board */
+#define GPIO_PIC		0
+#define TRIZEPS4_PIC_IRQ	IRQ_GPIO(GPIO_PIC)
+
+#define CFSR_P2V(x)		((x) - TRIZEPS4_CFSR_PHYS + TRIZEPS4_CFSR_VIRT)
+#define CFSR_V2P(x)		((x) - TRIZEPS4_CFSR_VIRT + TRIZEPS4_CFSR_PHYS)
+
+#define BCR_P2V(x)		((x) - TRIZEPS4_BOCR_PHYS + TRIZEPS4_BOCR_VIRT)
+#define BCR_V2P(x)		((x) - TRIZEPS4_BOCR_VIRT + TRIZEPS4_BOCR_PHYS)
+
+#define DCR_P2V(x)		((x) - TRIZEPS4_DICR_PHYS + TRIZEPS4_DICR_VIRT)
+#define DCR_V2P(x)		((x) - TRIZEPS4_DICR_VIRT + TRIZEPS4_DICR_PHYS)
+
+#ifndef __ASSEMBLY__
+#define ConXS_CFSR		(*((volatile unsigned short *)CFSR_P2V(0x0C000000)))
+#define ConXS_BCR		(*((volatile unsigned short *)BCR_P2V(0x0E000000)))
+#define ConXS_DCR		(*((volatile unsigned short *)DCR_P2V(0x0F800000)))
+#else
+#define ConXS_CFSR		CFSR_P2V(0x0C000000)
+#define ConXS_BCR		BCR_P2V(0x0E000000)
+#define ConXS_DCR		DCR_P2V(0x0F800000)
+#endif
+
+#define ConXS_CFSR_BVD_MASK	0x0003
+#define ConXS_CFSR_BVD1		(1 << 0)
+#define ConXS_CFSR_BVD2		(1 << 1)
+#define ConXS_CFSR_VS_MASK	0x000C
+#define ConXS_CFSR_VS1		(1 << 2)
+#define ConXS_CFSR_VS2		(1 << 3)
+#define ConXS_CFSR_VS_5V	(0x3 << 2)
+#define ConXS_CFSR_VS_3V3	0x0
+
+#define ConXS_BCR_S0_POW_EN0	(1 << 0)
+#define ConXS_BCR_S0_POW_EN1	(1 << 1)
+#define ConXS_BCR_L_DISP	(1 << 4)
+#define ConXS_BCR_CF_BUF_EN	(1 << 5)
+#define ConXS_BCR_CF_RESET	(1 << 7)
+#define ConXS_BCR_S0_VCC_3V3	0x1
+#define ConXS_BCR_S0_VCC_5V0	0x2
+#define ConXS_BCR_S0_VPP_12V	0x4
+#define ConXS_BCR_S0_VPP_3V3	0x8
+
+#define ConXS_IRCR_MODE		(1 << 0)
+#define ConXS_IRCR_SD		(1 << 1)
+
+#endif /* _TRIPEPS4_H_ */