MIPS: Alchemy: Merge PB1100/1500 support into DB1000 code.

The PB1100/1500 are similar to their DB-cousins but with a few
more devices on the bus.

This patch adds PB1100/1500 support to the existing DB1100/1500
code.

Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Cc: lnux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/4338/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

5 files changed, 93 insertions, 413 deletions

diff --git a/arch/mips/alchemy/Kconfig b/arch/mips/alchemy/Kconfig
index 6eb66a90a83..c8862bdc2ff 100644
--- a/arch/mips/alchemy/Kconfig
+++ b/arch/mips/alchemy/Kconfig
@@ -27,7 +27,7 @@ config MIPS_MTX1
 	select SYS_HAS_EARLY_PRINTK
 
 config MIPS_DB1000
-	bool "Alchemy DB1000/DB1500/DB1100 boards"
+	bool "Alchemy DB1000/DB1500/DB1100 PB1500/1100 boards"
 	select ALCHEMY_GPIOINT_AU1000
 	select DMA_NONCOHERENT
 	select HW_HAS_PCI
@@ -45,23 +45,6 @@ config MIPS_DB1235
 	select SYS_SUPPORTS_LITTLE_ENDIAN
 	select SYS_HAS_EARLY_PRINTK
 
-config MIPS_PB1100
-	bool "Alchemy PB1100 board"
-	select ALCHEMY_GPIOINT_AU1000
-	select DMA_NONCOHERENT
-	select HW_HAS_PCI
-	select SWAP_IO_SPACE
-	select SYS_SUPPORTS_LITTLE_ENDIAN
-	select SYS_HAS_EARLY_PRINTK
-
-config MIPS_PB1500
-	bool "Alchemy PB1500 board"
-	select ALCHEMY_GPIOINT_AU1000
-	select DMA_NONCOHERENT
-	select HW_HAS_PCI
-	select SYS_SUPPORTS_LITTLE_ENDIAN
-	select SYS_HAS_EARLY_PRINTK
-
 config MIPS_XXS1500
 	bool "MyCable XXS1500 board"
 	select DMA_NONCOHERENT
diff --git a/arch/mips/alchemy/devboards/Makefile b/arch/mips/alchemy/devboards/Makefile
index fad8a99c7b6..15bf7306648 100644
--- a/arch/mips/alchemy/devboards/Makefile
+++ b/arch/mips/alchemy/devboards/Makefile
@@ -4,7 +4,5 @@
 
 obj-y += bcsr.o platform.o
 obj-$(CONFIG_PM)		+= pm.o
-obj-$(CONFIG_MIPS_PB1100)	+= pb1100.o
-obj-$(CONFIG_MIPS_PB1500)	+= pb1500.o
 obj-$(CONFIG_MIPS_DB1000)	+= db1000.o
 obj-$(CONFIG_MIPS_DB1235)	+= db1235.o db1200.o db1300.o db1550.o
diff --git a/arch/mips/alchemy/devboards/db1000.c b/arch/mips/alchemy/devboards/db1000.c
index 1b81dbf6b80..8187845650f 100644
--- a/arch/mips/alchemy/devboards/db1000.c
+++ b/arch/mips/alchemy/devboards/db1000.c
@@ -1,5 +1,5 @@
 /*
- * DBAu1000/1500/1100 board support
+ * DBAu1000/1500/1100 PBAu1100/1500 board support
  *
  * Copyright 2000, 2008 MontaVista Software Inc.
  * Author: MontaVista Software, Inc. <source@mvista.com>
@@ -52,6 +52,11 @@ static const char *board_type_str(void)
 		return "DB1500";
 	case BCSR_WHOAMI_DB1100:
 		return "DB1100";
+	case BCSR_WHOAMI_PB1500:
+	case BCSR_WHOAMI_PB1500R2:
+		return "PB1500";
+	case BCSR_WHOAMI_PB1100:
+		return "PB1100";
 	default:
 		return "(unknown)";
 	}
@@ -111,7 +116,9 @@ static struct platform_device db1500_pci_host_dev = {
 
 static int __init db1500_pci_init(void)
 {
-	if (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI)) == BCSR_WHOAMI_DB1500)
+	int id = BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI));
+	if ((id == BCSR_WHOAMI_DB1500) || (id == BCSR_WHOAMI_PB1500) ||
+	    (id == BCSR_WHOAMI_PB1500R2))
 		return platform_device_register(&db1500_pci_host_dev);
 	return 0;
 }
@@ -199,27 +206,37 @@ static irqreturn_t db1100_mmc_cd(int irq, void *ptr)
 
 static int db1100_mmc_cd_setup(void *mmc_host, int en)
 {
-	int ret = 0;
+	int ret = 0, irq;
+
+	if (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI)) == BCSR_WHOAMI_DB1100)
+		irq = AU1100_GPIO19_INT;
+	else
+		irq = AU1100_GPIO14_INT;	/* PB1100 SD0 CD# */
 
 	if (en) {
-		irq_set_irq_type(AU1100_GPIO19_INT, IRQ_TYPE_EDGE_BOTH);
-		ret = request_irq(AU1100_GPIO19_INT, db1100_mmc_cd, 0,
+		irq_set_irq_type(irq, IRQ_TYPE_EDGE_BOTH);
+		ret = request_irq(irq, db1100_mmc_cd, 0,
 				  "sd0_cd", mmc_host);
 	} else
-		free_irq(AU1100_GPIO19_INT, mmc_host);
+		free_irq(irq, mmc_host);
 	return ret;
 }
 
 static int db1100_mmc1_cd_setup(void *mmc_host, int en)
 {
-	int ret = 0;
+	int ret = 0, irq;
+
+	if (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI)) == BCSR_WHOAMI_DB1100)
+		irq = AU1100_GPIO20_INT;
+	else
+		irq = AU1100_GPIO15_INT;	/* PB1100 SD1 CD# */
 
 	if (en) {
-		irq_set_irq_type(AU1100_GPIO20_INT, IRQ_TYPE_EDGE_BOTH);
-		ret = request_irq(AU1100_GPIO20_INT, db1100_mmc_cd, 0,
+		irq_set_irq_type(irq, IRQ_TYPE_EDGE_BOTH);
+		ret = request_irq(irq, db1100_mmc_cd, 0,
 				  "sd1_cd", mmc_host);
 	} else
-		free_irq(AU1100_GPIO20_INT, mmc_host);
+		free_irq(irq, mmc_host);
 	return ret;
 }
 
@@ -236,11 +253,18 @@ static int db1100_mmc_card_inserted(void *mmc_host)
 
 static void db1100_mmc_set_power(void *mmc_host, int state)
 {
+	int bit;
+
+	if (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI)) == BCSR_WHOAMI_DB1100)
+		bit = BCSR_BOARD_SD0PWR;
+	else
+		bit = BCSR_BOARD_PB1100_SD0PWR;
+
 	if (state) {
-		bcsr_mod(BCSR_BOARD, 0, BCSR_BOARD_SD0PWR);
+		bcsr_mod(BCSR_BOARD, 0, bit);
 		msleep(400);	/* stabilization time */
 	} else
-		bcsr_mod(BCSR_BOARD, BCSR_BOARD_SD0PWR, 0);
+		bcsr_mod(BCSR_BOARD, bit, 0);
 }
 
 static void db1100_mmcled_set(struct led_classdev *led, enum led_brightness b)
@@ -267,11 +291,18 @@ static int db1100_mmc1_card_inserted(void *mmc_host)
 
 static void db1100_mmc1_set_power(void *mmc_host, int state)
 {
+	int bit;
+
+	if (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI)) == BCSR_WHOAMI_DB1100)
+		bit = BCSR_BOARD_SD1PWR;
+	else
+		bit = BCSR_BOARD_PB1100_SD1PWR;
+
 	if (state) {
-		bcsr_mod(BCSR_BOARD, 0, BCSR_BOARD_SD1PWR);
+		bcsr_mod(BCSR_BOARD, 0, bit);
 		msleep(400);	/* stabilization time */
 	} else
-		bcsr_mod(BCSR_BOARD, BCSR_BOARD_SD1PWR, 0);
+		bcsr_mod(BCSR_BOARD, bit, 0);
 }
 
 static void db1100_mmc1led_set(struct led_classdev *led, enum led_brightness b)
@@ -480,13 +511,12 @@ static struct platform_device *db1100_devs[] = {
 	&db1100_mmc0_dev,
 	&db1100_mmc1_dev,
 	&db1000_irda_dev,
-	&db1100_spi_dev,
 };
 
 static int __init db1000_dev_init(void)
 {
 	int board = BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI));
-	int c0, c1, d0, d1, s0, s1;
+	int c0, c1, d0, d1, s0, s1, flashsize = 32,  twosocks = 1;
 	unsigned long pfc;
 
 	if (board == BCSR_WHOAMI_DB1500) {
@@ -522,6 +552,7 @@ static int __init db1000_dev_init(void)
 					ARRAY_SIZE(db1100_spi_info));
 
 		platform_add_devices(db1100_devs, ARRAY_SIZE(db1100_devs));
+		platform_device_register(&db1100_spi_dev);
 	} else if (board == BCSR_WHOAMI_DB1000) {
 		c0 = AU1000_GPIO2_INT;
 		c1 = AU1000_GPIO5_INT;
@@ -530,15 +561,42 @@ static int __init db1000_dev_init(void)
 		s0 = AU1000_GPIO1_INT;
 		s1 = AU1000_GPIO4_INT;
 		platform_add_devices(db1000_devs, ARRAY_SIZE(db1000_devs));
+	} else if ((board == BCSR_WHOAMI_PB1500) ||
+		   (board == BCSR_WHOAMI_PB1500R2)) {
+		c0 = AU1500_GPIO203_INT;
+		d0 = AU1500_GPIO201_INT;
+		s0 = AU1500_GPIO202_INT;
+		twosocks = 0;
+		flashsize = 64;
+		/* RTC and daughtercard irqs */
+		irq_set_irq_type(AU1500_GPIO204_INT, IRQ_TYPE_LEVEL_LOW);
+		irq_set_irq_type(AU1500_GPIO205_INT, IRQ_TYPE_LEVEL_LOW);
+		/* EPSON S1D13806 0x1b000000
+		 * SRAM 1MB/2MB   0x1a000000
+		 * DS1693 RTC	  0x0c000000
+		 */
+	} else if (board == BCSR_WHOAMI_PB1100) {
+		c0 = AU1100_GPIO11_INT;
+		d0 = AU1100_GPIO9_INT;
+		s0 = AU1100_GPIO10_INT;
+		twosocks = 0;
+		flashsize = 64;
+		/* pendown, rtc, daughtercard irqs */
+		irq_set_irq_type(AU1100_GPIO8_INT, IRQ_TYPE_LEVEL_LOW);
+		irq_set_irq_type(AU1100_GPIO12_INT, IRQ_TYPE_LEVEL_LOW);
+		irq_set_irq_type(AU1100_GPIO13_INT, IRQ_TYPE_LEVEL_LOW);
+		/* EPSON S1D13806 0x1b000000
+		 * SRAM 1MB/2MB   0x1a000000
+		 * DiskOnChip	  0x0d000000
+		 * DS1693 RTC	  0x0c000000
+		 */
+		platform_add_devices(db1100_devs, ARRAY_SIZE(db1100_devs));
 	} else
 		return 0; /* unknown board, no further dev setup to do */
 
 	irq_set_irq_type(d0, IRQ_TYPE_EDGE_BOTH);
-	irq_set_irq_type(d1, IRQ_TYPE_EDGE_BOTH);
 	irq_set_irq_type(c0, IRQ_TYPE_LEVEL_LOW);
-	irq_set_irq_type(c1, IRQ_TYPE_LEVEL_LOW);
 	irq_set_irq_type(s0, IRQ_TYPE_LEVEL_LOW);
-	irq_set_irq_type(s1, IRQ_TYPE_LEVEL_LOW);
 
 	db1x_register_pcmcia_socket(
 		AU1000_PCMCIA_ATTR_PHYS_ADDR,
@@ -549,17 +607,23 @@ static int __init db1000_dev_init(void)
 		AU1000_PCMCIA_IO_PHYS_ADDR   + 0x000010000 - 1,
 		c0, d0,	/*s0*/0, 0, 0);
 
-	db1x_register_pcmcia_socket(
-		AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x004000000,
-		AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x004400000 - 1,
-		AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x004000000,
-		AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x004400000 - 1,
-		AU1000_PCMCIA_IO_PHYS_ADDR   + 0x004000000,
-		AU1000_PCMCIA_IO_PHYS_ADDR   + 0x004010000 - 1,
-		c1, d1,	/*s1*/0, 0, 1);
+	if (twosocks) {
+		irq_set_irq_type(d1, IRQ_TYPE_EDGE_BOTH);
+		irq_set_irq_type(c1, IRQ_TYPE_LEVEL_LOW);
+		irq_set_irq_type(s1, IRQ_TYPE_LEVEL_LOW);
+
+		db1x_register_pcmcia_socket(
+			AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x004000000,
+			AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x004400000 - 1,
+			AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x004000000,
+			AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x004400000 - 1,
+			AU1000_PCMCIA_IO_PHYS_ADDR   + 0x004000000,
+			AU1000_PCMCIA_IO_PHYS_ADDR   + 0x004010000 - 1,
+			c1, d1,	/*s1*/0, 0, 1);
+	}
 
 	platform_add_devices(db1x00_devs, ARRAY_SIZE(db1x00_devs));
-	db1x_register_norflash(32 << 20, 4 /* 32bit */, F_SWAPPED);
+	db1x_register_norflash(flashsize << 20, 4 /* 32bit */, F_SWAPPED);
 	return 0;
 }
 device_initcall(db1000_dev_init);
diff --git a/arch/mips/alchemy/devboards/pb1100.c b/arch/mips/alchemy/devboards/pb1100.c
deleted file mode 100644
index 78c77a44a31..00000000000
--- a/arch/mips/alchemy/devboards/pb1100.c
+++ /dev/null
@@ -1,167 +0,0 @@
-/*
- * Pb1100 board platform device registration
- *
- * Copyright (C) 2009 Manuel Lauss
- *
- * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#include <linux/delay.h>
-#include <linux/gpio.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/dma-mapping.h>
-#include <linux/platform_device.h>
-#include <asm/mach-au1x00/au1000.h>
-#include <asm/mach-db1x00/bcsr.h>
-#include <prom.h>
-#include "platform.h"
-
-const char *get_system_type(void)
-{
-	return "PB1100";
-}
-
-void __init board_setup(void)
-{
-	volatile void __iomem *base = (volatile void __iomem *)0xac000000UL;
-
-	bcsr_init(DB1000_BCSR_PHYS_ADDR,
-		  DB1000_BCSR_PHYS_ADDR + DB1000_BCSR_HEXLED_OFS);
-
-	/* Set AUX clock to 12 MHz * 8 = 96 MHz */
-	au_writel(8, SYS_AUXPLL);
-	alchemy_gpio1_input_enable();
-	udelay(100);
-
-#if IS_ENABLED(CONFIG_USB_OHCI_HCD)
-	{
-		u32 pin_func, sys_freqctrl, sys_clksrc;
-
-		/* Configure pins GPIO[14:9] as GPIO */
-		pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_UR3;
-
-		/* Zero and disable FREQ2 */
-		sys_freqctrl = au_readl(SYS_FREQCTRL0);
-		sys_freqctrl &= ~0xFFF00000;
-		au_writel(sys_freqctrl, SYS_FREQCTRL0);
-
-		/* Zero and disable USBH/USBD/IrDA clock */
-		sys_clksrc = au_readl(SYS_CLKSRC);
-		sys_clksrc &= ~(SYS_CS_CIR | SYS_CS_DIR | SYS_CS_MIR_MASK);
-		au_writel(sys_clksrc, SYS_CLKSRC);
-
-		sys_freqctrl = au_readl(SYS_FREQCTRL0);
-		sys_freqctrl &= ~0xFFF00000;
-
-		sys_clksrc = au_readl(SYS_CLKSRC);
-		sys_clksrc &= ~(SYS_CS_CIR | SYS_CS_DIR | SYS_CS_MIR_MASK);
-
-		/* FREQ2 = aux / 2 = 48 MHz */
-		sys_freqctrl |= (0 << SYS_FC_FRDIV2_BIT) |
-				SYS_FC_FE2 | SYS_FC_FS2;
-		au_writel(sys_freqctrl, SYS_FREQCTRL0);
-
-		/*
-		 * Route 48 MHz FREQ2 into USBH/USBD/IrDA
-		 */
-		sys_clksrc |= SYS_CS_MUX_FQ2 << SYS_CS_MIR_BIT;
-		au_writel(sys_clksrc, SYS_CLKSRC);
-
-		/* Setup the static bus controller */
-		au_writel(0x00000002, MEM_STCFG3);  /* type = PCMCIA */
-		au_writel(0x280E3D07, MEM_STTIME3); /* 250ns cycle time */
-		au_writel(0x10000000, MEM_STADDR3); /* any PCMCIA select */
-
-		/*
-		 * Get USB Functionality pin state (device vs host drive pins).
-		 */
-		pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_USB;
-		/* 2nd USB port is USB host. */
-		pin_func |= SYS_PF_USB;
-		au_writel(pin_func, SYS_PINFUNC);
-	}
-#endif /* IS_ENABLED(CONFIG_USB_OHCI_HCD) */
-
-	/* Enable sys bus clock divider when IDLE state or no bus activity. */
-	au_writel(au_readl(SYS_POWERCTRL) | (0x3 << 5), SYS_POWERCTRL);
-
-	/* Enable the RTC if not already enabled. */
-	if (!(readb(base + 0x28) & 0x20)) {
-		writeb(readb(base + 0x28) | 0x20, base + 0x28);
-		au_sync();
-	}
-	/* Put the clock in BCD mode. */
-	if (readb(base + 0x2C) & 0x4) { /* reg B */
-		writeb(readb(base + 0x2c) & ~0x4, base + 0x2c);
-		au_sync();
-	}
-}
-
-/******************************************************************************/
-
-static struct resource au1100_lcd_resources[] = {
-	[0] = {
-		.start	= AU1100_LCD_PHYS_ADDR,
-		.end	= AU1100_LCD_PHYS_ADDR + 0x800 - 1,
-		.flags	= IORESOURCE_MEM,
-	},
-	[1] = {
-		.start	= AU1100_LCD_INT,
-		.end	= AU1100_LCD_INT,
-		.flags	= IORESOURCE_IRQ,
-	}
-};
-
-static u64 au1100_lcd_dmamask = DMA_BIT_MASK(32);
-
-static struct platform_device au1100_lcd_device = {
-	.name		= "au1100-lcd",
-	.id		= 0,
-	.dev = {
-		.dma_mask		= &au1100_lcd_dmamask,
-		.coherent_dma_mask	= DMA_BIT_MASK(32),
-	},
-	.num_resources	= ARRAY_SIZE(au1100_lcd_resources),
-	.resource	= au1100_lcd_resources,
-};
-
-static int __init pb1100_dev_init(void)
-{
-	int swapped;
-
-	irq_set_irq_type(AU1100_GPIO9_INT, IRQF_TRIGGER_LOW); /* PCCD# */
-	irq_set_irq_type(AU1100_GPIO10_INT, IRQF_TRIGGER_LOW); /* PCSTSCHG# */
-	irq_set_irq_type(AU1100_GPIO11_INT, IRQF_TRIGGER_LOW); /* PCCard# */
-	irq_set_irq_type(AU1100_GPIO13_INT, IRQF_TRIGGER_LOW); /* DC_IRQ# */
-
-	/* PCMCIA. single socket, identical to Pb1500 */
-	db1x_register_pcmcia_socket(
-		AU1000_PCMCIA_ATTR_PHYS_ADDR,
-		AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
-		AU1000_PCMCIA_MEM_PHYS_ADDR,
-		AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x000400000 - 1,
-		AU1000_PCMCIA_IO_PHYS_ADDR,
-		AU1000_PCMCIA_IO_PHYS_ADDR   + 0x000010000 - 1,
-		AU1100_GPIO11_INT, AU1100_GPIO9_INT,	 /* card / insert */
-		/*AU1100_GPIO10_INT*/0, 0, 0); /* stschg / eject / id */
-
-	swapped = bcsr_read(BCSR_STATUS) &  BCSR_STATUS_DB1000_SWAPBOOT;
-	db1x_register_norflash(64 * 1024 * 1024, 4, swapped);
-	platform_device_register(&au1100_lcd_device);
-
-	return 0;
-}
-device_initcall(pb1100_dev_init);
diff --git a/arch/mips/alchemy/devboards/pb1500.c b/arch/mips/alchemy/devboards/pb1500.c
deleted file mode 100644
index 232fee94200..00000000000
--- a/arch/mips/alchemy/devboards/pb1500.c
+++ /dev/null
@@ -1,198 +0,0 @@
-/*
- * Pb1500 board support.
- *
- * Copyright (C) 2009 Manuel Lauss
- *
- * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#include <linux/delay.h>
-#include <linux/dma-mapping.h>
-#include <linux/gpio.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-#include <asm/mach-au1x00/au1000.h>
-#include <asm/mach-db1x00/bcsr.h>
-#include <prom.h>
-#include "platform.h"
-
-const char *get_system_type(void)
-{
-	return "PB1500";
-}
-
-void __init board_setup(void)
-{
-	u32 pin_func;
-	u32 sys_freqctrl, sys_clksrc;
-
-	bcsr_init(DB1000_BCSR_PHYS_ADDR,
-		  DB1000_BCSR_PHYS_ADDR + DB1000_BCSR_HEXLED_OFS);
-
-	sys_clksrc = sys_freqctrl = pin_func = 0;
-	/* Set AUX clock to 12 MHz * 8 = 96 MHz */
-	au_writel(8, SYS_AUXPLL);
-	alchemy_gpio1_input_enable();
-	udelay(100);
-
-	/* GPIO201 is input for PCMCIA card detect */
-	/* GPIO203 is input for PCMCIA interrupt request */
-	alchemy_gpio_direction_input(201);
-	alchemy_gpio_direction_input(203);
-
-#if IS_ENABLED(CONFIG_USB_OHCI_HCD)
-
-	/* Zero and disable FREQ2 */
-	sys_freqctrl = au_readl(SYS_FREQCTRL0);
-	sys_freqctrl &= ~0xFFF00000;
-	au_writel(sys_freqctrl, SYS_FREQCTRL0);
-
-	/* zero and disable USBH/USBD clocks */
-	sys_clksrc = au_readl(SYS_CLKSRC);
-	sys_clksrc &= ~(SYS_CS_CUD | SYS_CS_DUD | SYS_CS_MUD_MASK |
-			SYS_CS_CUH | SYS_CS_DUH | SYS_CS_MUH_MASK);
-	au_writel(sys_clksrc, SYS_CLKSRC);
-
-	sys_freqctrl = au_readl(SYS_FREQCTRL0);
-	sys_freqctrl &= ~0xFFF00000;
-
-	sys_clksrc = au_readl(SYS_CLKSRC);
-	sys_clksrc &= ~(SYS_CS_CUD | SYS_CS_DUD | SYS_CS_MUD_MASK |
-			SYS_CS_CUH | SYS_CS_DUH | SYS_CS_MUH_MASK);
-
-	/* FREQ2 = aux/2 = 48 MHz */
-	sys_freqctrl |= (0 << SYS_FC_FRDIV2_BIT) | SYS_FC_FE2 | SYS_FC_FS2;
-	au_writel(sys_freqctrl, SYS_FREQCTRL0);
-
-	/*
-	 * Route 48MHz FREQ2 into USB Host and/or Device
-	 */
-	sys_clksrc |= SYS_CS_MUX_FQ2 << SYS_CS_MUH_BIT;
-	au_writel(sys_clksrc, SYS_CLKSRC);
-
-	pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_USB;
-	/* 2nd USB port is USB host */
-	pin_func |= SYS_PF_USB;
-	au_writel(pin_func, SYS_PINFUNC);
-#endif /* IS_ENABLED(CONFIG_USB_OHCI_HCD) */
-
-#ifdef CONFIG_PCI
-	{
-		void __iomem *base =
-				(void __iomem *)KSEG1ADDR(AU1500_PCI_PHYS_ADDR);
-		/* Setup PCI bus controller */
-		__raw_writel(0x00003fff, base + PCI_REG_CMEM);
-		__raw_writel(0xf0000000, base + PCI_REG_MWMASK_DEV);
-		__raw_writel(0, base + PCI_REG_MWBASE_REV_CCL);
-		__raw_writel(0x02a00356, base + PCI_REG_STATCMD);
-		__raw_writel(0x00003c04, base + PCI_REG_PARAM);
-		__raw_writel(0x00000008, base + PCI_REG_MBAR);
-		wmb();
-	}
-#endif
-
-	/* Enable sys bus clock divider when IDLE state or no bus activity. */
-	au_writel(au_readl(SYS_POWERCTRL) | (0x3 << 5), SYS_POWERCTRL);
-
-	/* Enable the RTC if not already enabled */
-	if (!(au_readl(0xac000028) & 0x20)) {
-		printk(KERN_INFO "enabling clock ...\n");
-		au_writel((au_readl(0xac000028) | 0x20), 0xac000028);
-	}
-	/* Put the clock in BCD mode */
-	if (au_readl(0xac00002c) & 0x4) { /* reg B */
-		au_writel(au_readl(0xac00002c) & ~0x4, 0xac00002c);
-		au_sync();
-	}
-}
-
-/******************************************************************************/
-
-static int pb1500_map_pci_irq(const struct pci_dev *d, u8 slot, u8 pin)
-{
-	if ((slot < 12) || (slot > 13) || pin == 0)
-		return -1;
-	if (slot == 12)
-		return (pin == 1) ? AU1500_PCI_INTA : 0xff;
-	if (slot == 13) {
-		switch (pin) {
-		case 1: return AU1500_PCI_INTA;
-		case 2: return AU1500_PCI_INTB;
-		case 3: return AU1500_PCI_INTC;
-		case 4: return AU1500_PCI_INTD;
-		}
-	}
-	return -1;
-}
-
-static struct resource alchemy_pci_host_res[] = {
-	[0] = {
-		.start	= AU1500_PCI_PHYS_ADDR,
-		.end	= AU1500_PCI_PHYS_ADDR + 0xfff,
-		.flags	= IORESOURCE_MEM,
-	},
-};
-
-static struct alchemy_pci_platdata pb1500_pci_pd = {
-	.board_map_irq	= pb1500_map_pci_irq,
-	.pci_cfg_set	= PCI_CONFIG_AEN | PCI_CONFIG_R2H | PCI_CONFIG_R1H |
-			  PCI_CONFIG_CH |
-#if defined(__MIPSEB__)
-			  PCI_CONFIG_SIC_HWA_DAT | PCI_CONFIG_SM,
-#else
-			  0,
-#endif
-};
-
-static struct platform_device pb1500_pci_host = {
-	.dev.platform_data = &pb1500_pci_pd,
-	.name		= "alchemy-pci",
-	.id		= 0,
-	.num_resources	= ARRAY_SIZE(alchemy_pci_host_res),
-	.resource	= alchemy_pci_host_res,
-};
-
-static int __init pb1500_dev_init(void)
-{
-	int swapped;
-
-	irq_set_irq_type(AU1500_GPIO9_INT,   IRQF_TRIGGER_LOW);   /* CD0# */
-	irq_set_irq_type(AU1500_GPIO10_INT,  IRQF_TRIGGER_LOW);  /* CARD0 */
-	irq_set_irq_type(AU1500_GPIO11_INT,  IRQF_TRIGGER_LOW);  /* STSCHG0# */
-	irq_set_irq_type(AU1500_GPIO204_INT, IRQF_TRIGGER_HIGH);
-	irq_set_irq_type(AU1500_GPIO201_INT, IRQF_TRIGGER_LOW);
-	irq_set_irq_type(AU1500_GPIO202_INT, IRQF_TRIGGER_LOW);
-	irq_set_irq_type(AU1500_GPIO203_INT, IRQF_TRIGGER_LOW);
-	irq_set_irq_type(AU1500_GPIO205_INT, IRQF_TRIGGER_LOW);
-
-	/* PCMCIA. single socket, identical to Pb1100 */
-	db1x_register_pcmcia_socket(
-		AU1000_PCMCIA_ATTR_PHYS_ADDR,
-		AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
-		AU1000_PCMCIA_MEM_PHYS_ADDR,
-		AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x000400000 - 1,
-		AU1000_PCMCIA_IO_PHYS_ADDR,
-		AU1000_PCMCIA_IO_PHYS_ADDR   + 0x000010000 - 1,
-		AU1500_GPIO11_INT, AU1500_GPIO9_INT,	 /* card / insert */
-		/*AU1500_GPIO10_INT*/0, 0, 0); /* stschg / eject / id */
-
-	swapped = bcsr_read(BCSR_STATUS) &  BCSR_STATUS_DB1000_SWAPBOOT;
-	db1x_register_norflash(64 * 1024 * 1024, 4, swapped);
-	platform_device_register(&pb1500_pci_host);
-
-	return 0;
-}
-arch_initcall(pb1500_dev_init);