Initial import

1 files changed, 585 insertions, 0 deletions

diff --git a/arch/blackfin/mach-bf537/boards/minotaur.c b/arch/blackfin/mach-bf537/boards/minotaur.c
new file mode 100644
index 000000000..dd7bda07b
--- /dev/null
+++ b/arch/blackfin/mach-bf537/boards/minotaur.c
@@ -0,0 +1,585 @@
+/*
+ * Copyright 2004-2009 Analog Devices Inc.
+ *           2008-2009 Cambridge Signal Processing
+ *                2005 National ICT Australia (NICTA)
+ *                      Aidan Williams <aidan@nicta.com.au>
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/flash.h>
+#if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
+#include <linux/usb/isp1362.h>
+#endif
+#include <linux/ata_platform.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/usb/sl811.h>
+#include <asm/dma.h>
+#include <asm/bfin5xx_spi.h>
+#include <asm/reboot.h>
+#include <asm/portmux.h>
+#include <linux/spi/ad7877.h>
+
+/*
+ * Name the Board for the /proc/cpuinfo
+ */
+const char bfin_board_name[] = "CamSig Minotaur BF537";
+
+#if IS_ENABLED(CONFIG_BFIN_CFPCMCIA)
+static struct resource bfin_pcmcia_cf_resources[] = {
+	{
+		.start = 0x20310000, /* IO PORT */
+		.end = 0x20312000,
+		.flags = IORESOURCE_MEM,
+	}, {
+		.start = 0x20311000, /* Attribute Memory */
+		.end = 0x20311FFF,
+		.flags = IORESOURCE_MEM,
+	}, {
+		.start = IRQ_PF4,
+		.end = IRQ_PF4,
+		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
+	}, {
+		.start = IRQ_PF6, /* Card Detect PF6 */
+		.end = IRQ_PF6,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device bfin_pcmcia_cf_device = {
+	.name = "bfin_cf_pcmcia",
+	.id = -1,
+	.num_resources = ARRAY_SIZE(bfin_pcmcia_cf_resources),
+	.resource = bfin_pcmcia_cf_resources,
+};
+#endif
+
+#if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
+static struct platform_device rtc_device = {
+	.name = "rtc-bfin",
+	.id   = -1,
+};
+#endif
+
+#if IS_ENABLED(CONFIG_BFIN_MAC)
+#include <linux/bfin_mac.h>
+static const unsigned short bfin_mac_peripherals[] = P_MII0;
+
+static struct bfin_phydev_platform_data bfin_phydev_data[] = {
+	{
+		.addr = 1,
+		.irq = IRQ_MAC_PHYINT,
+	},
+};
+
+static struct bfin_mii_bus_platform_data bfin_mii_bus_data = {
+	.phydev_number = 1,
+	.phydev_data = bfin_phydev_data,
+	.phy_mode = PHY_INTERFACE_MODE_MII,
+	.mac_peripherals = bfin_mac_peripherals,
+};
+
+static struct platform_device bfin_mii_bus = {
+	.name = "bfin_mii_bus",
+	.dev = {
+		.platform_data = &bfin_mii_bus_data,
+	}
+};
+
+static struct platform_device bfin_mac_device = {
+	.name = "bfin_mac",
+	.dev = {
+		.platform_data = &bfin_mii_bus,
+	}
+};
+#endif
+
+#if IS_ENABLED(CONFIG_USB_NET2272)
+static struct resource net2272_bfin_resources[] = {
+	{
+		.start = 0x20300000,
+		.end = 0x20300000 + 0x100,
+		.flags = IORESOURCE_MEM,
+	}, {
+		.start = IRQ_PF7,
+		.end = IRQ_PF7,
+		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
+	},
+};
+
+static struct platform_device net2272_bfin_device = {
+	.name = "net2272",
+	.id = -1,
+	.num_resources = ARRAY_SIZE(net2272_bfin_resources),
+	.resource = net2272_bfin_resources,
+};
+#endif
+
+#if IS_ENABLED(CONFIG_SPI_BFIN5XX)
+/* all SPI peripherals info goes here */
+
+#if IS_ENABLED(CONFIG_MTD_M25P80)
+
+/* Partition sizes */
+#define FLASH_SIZE       0x00400000
+#define PSIZE_UBOOT      0x00030000
+#define PSIZE_INITRAMFS  0x00240000
+
+static struct mtd_partition bfin_spi_flash_partitions[] = {
+	{
+		.name       = "bootloader(spi)",
+		.size       = PSIZE_UBOOT,
+		.offset     = 0x000000,
+		.mask_flags = MTD_CAP_ROM
+	}, {
+		.name       = "initramfs(spi)",
+		.size       = PSIZE_INITRAMFS,
+		.offset     = PSIZE_UBOOT
+	}, {
+		.name       = "opt(spi)",
+		.size       = FLASH_SIZE - (PSIZE_UBOOT + PSIZE_INITRAMFS),
+		.offset     = PSIZE_UBOOT + PSIZE_INITRAMFS,
+	}
+};
+
+static struct flash_platform_data bfin_spi_flash_data = {
+	.name = "m25p80",
+	.parts = bfin_spi_flash_partitions,
+	.nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
+	.type = "m25p64",
+};
+
+/* SPI flash chip (m25p64) */
+static struct bfin5xx_spi_chip spi_flash_chip_info = {
+	.enable_dma = 0,         /* use dma transfer with this chip*/
+};
+#endif
+
+#if IS_ENABLED(CONFIG_MMC_SPI)
+static struct bfin5xx_spi_chip mmc_spi_chip_info = {
+	.enable_dma = 0,
+};
+#endif
+
+static struct spi_board_info bfin_spi_board_info[] __initdata = {
+#if IS_ENABLED(CONFIG_MTD_M25P80)
+	{
+		/* the modalias must be the same as spi device driver name */
+		.modalias = "m25p80", /* Name of spi_driver for this device */
+		.max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
+		.bus_num = 0, /* Framework bus number */
+		.chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
+		.platform_data = &bfin_spi_flash_data,
+		.controller_data = &spi_flash_chip_info,
+		.mode = SPI_MODE_3,
+	},
+#endif
+
+#if IS_ENABLED(CONFIG_MMC_SPI)
+	{
+		.modalias = "mmc_spi",
+		.max_speed_hz = 5000000,     /* max spi clock (SCK) speed in HZ */
+		.bus_num = 0,
+		.chip_select = 5,
+		.controller_data = &mmc_spi_chip_info,
+		.mode = SPI_MODE_3,
+	},
+#endif
+};
+
+/* SPI controller data */
+static struct bfin5xx_spi_master bfin_spi0_info = {
+	.num_chipselect = 8,
+	.enable_dma = 1,  /* master has the ability to do dma transfer */
+};
+
+/* SPI (0) */
+static struct resource bfin_spi0_resource[] = {
+	[0] = {
+		.start = SPI0_REGBASE,
+		.end   = SPI0_REGBASE + 0xFF,
+		.flags = IORESOURCE_MEM,
+		},
+	[1] = {
+		.start = CH_SPI,
+		.end   = CH_SPI,
+		.flags = IORESOURCE_DMA,
+	},
+	[2] = {
+		.start = IRQ_SPI,
+		.end   = IRQ_SPI,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device bfin_spi0_device = {
+	.name = "bfin-spi",
+	.id = 0, /* Bus number */
+	.num_resources = ARRAY_SIZE(bfin_spi0_resource),
+	.resource = bfin_spi0_resource,
+	.dev = {
+		.platform_data = &bfin_spi0_info, /* Passed to driver */
+	},
+};
+#endif  /* spi master and devices */
+
+#if IS_ENABLED(CONFIG_SERIAL_BFIN)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+static struct resource bfin_uart0_resources[] = {
+	{
+		.start = UART0_THR,
+		.end = UART0_GCTL+2,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_UART0_TX,
+		.end = IRQ_UART0_TX,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART0_RX,
+		.end = IRQ_UART0_RX,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART0_ERROR,
+		.end = IRQ_UART0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART0_TX,
+		.end = CH_UART0_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART0_RX,
+		.end = CH_UART0_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+static unsigned short bfin_uart0_peripherals[] = {
+	P_UART0_TX, P_UART0_RX, 0
+};
+
+static struct platform_device bfin_uart0_device = {
+	.name = "bfin-uart",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
+	.resource = bfin_uart0_resources,
+	.dev = {
+		.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+static struct resource bfin_uart1_resources[] = {
+	{
+		.start = UART1_THR,
+		.end = UART1_GCTL+2,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_UART1_TX,
+		.end = IRQ_UART1_TX,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART1_RX,
+		.end = IRQ_UART1_RX,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART1_ERROR,
+		.end = IRQ_UART1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART1_TX,
+		.end = CH_UART1_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART1_RX,
+		.end = CH_UART1_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+static unsigned short bfin_uart1_peripherals[] = {
+	P_UART1_TX, P_UART1_RX, 0
+};
+
+static struct platform_device bfin_uart1_device = {
+	.name = "bfin-uart",
+	.id = 1,
+	.num_resources = ARRAY_SIZE(bfin_uart1_resources),
+	.resource = bfin_uart1_resources,
+	.dev = {
+		.platform_data = &bfin_uart1_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#endif
+
+#if IS_ENABLED(CONFIG_BFIN_SIR)
+#ifdef CONFIG_BFIN_SIR0
+static struct resource bfin_sir0_resources[] = {
+	{
+		.start = 0xFFC00400,
+		.end = 0xFFC004FF,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_UART0_RX,
+		.end = IRQ_UART0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART0_RX,
+		.end = CH_UART0_RX+1,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+static struct platform_device bfin_sir0_device = {
+	.name = "bfin_sir",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_sir0_resources),
+	.resource = bfin_sir0_resources,
+};
+#endif
+#ifdef CONFIG_BFIN_SIR1
+static struct resource bfin_sir1_resources[] = {
+	{
+		.start = 0xFFC02000,
+		.end = 0xFFC020FF,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_UART1_RX,
+		.end = IRQ_UART1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART1_RX,
+		.end = CH_UART1_RX+1,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+static struct platform_device bfin_sir1_device = {
+	.name = "bfin_sir",
+	.id = 1,
+	.num_resources = ARRAY_SIZE(bfin_sir1_resources),
+	.resource = bfin_sir1_resources,
+};
+#endif
+#endif
+
+#if IS_ENABLED(CONFIG_I2C_BLACKFIN_TWI)
+static const u16 bfin_twi0_pins[] = {P_TWI0_SCL, P_TWI0_SDA, 0};
+
+static struct resource bfin_twi0_resource[] = {
+	[0] = {
+		.start = TWI0_REGBASE,
+		.end   = TWI0_REGBASE + 0xFF,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = IRQ_TWI,
+		.end   = IRQ_TWI,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device i2c_bfin_twi_device = {
+	.name = "i2c-bfin-twi",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_twi0_resource),
+	.resource = bfin_twi0_resource,
+	.dev = {
+		.platform_data = &bfin_twi0_pins,
+	},
+};
+#endif
+
+#if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+static struct resource bfin_sport0_uart_resources[] = {
+	{
+		.start = SPORT0_TCR1,
+		.end = SPORT0_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT0_RX,
+		.end = IRQ_SPORT0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT0_ERROR,
+		.end = IRQ_SPORT0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static unsigned short bfin_sport0_peripherals[] = {
+	P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
+	P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0
+};
+
+static struct platform_device bfin_sport0_uart_device = {
+	.name = "bfin-sport-uart",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
+	.resource = bfin_sport0_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport0_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+static struct resource bfin_sport1_uart_resources[] = {
+	{
+		.start = SPORT1_TCR1,
+		.end = SPORT1_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT1_RX,
+		.end = IRQ_SPORT1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT1_ERROR,
+		.end = IRQ_SPORT1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static unsigned short bfin_sport1_peripherals[] = {
+	P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
+	P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0
+};
+
+static struct platform_device bfin_sport1_uart_device = {
+	.name = "bfin-sport-uart",
+	.id = 1,
+	.num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
+	.resource = bfin_sport1_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport1_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#endif
+
+static struct platform_device *minotaur_devices[] __initdata = {
+#if IS_ENABLED(CONFIG_BFIN_CFPCMCIA)
+	&bfin_pcmcia_cf_device,
+#endif
+
+#if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
+	&rtc_device,
+#endif
+
+#if IS_ENABLED(CONFIG_BFIN_MAC)
+	&bfin_mii_bus,
+	&bfin_mac_device,
+#endif
+
+#if IS_ENABLED(CONFIG_USB_NET2272)
+	&net2272_bfin_device,
+#endif
+
+#if IS_ENABLED(CONFIG_SPI_BFIN5XX)
+	&bfin_spi0_device,
+#endif
+
+#if IS_ENABLED(CONFIG_SERIAL_BFIN)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+	&bfin_uart1_device,
+#endif
+#endif
+
+#if IS_ENABLED(CONFIG_BFIN_SIR)
+#ifdef CONFIG_BFIN_SIR0
+	&bfin_sir0_device,
+#endif
+#ifdef CONFIG_BFIN_SIR1
+	&bfin_sir1_device,
+#endif
+#endif
+
+#if IS_ENABLED(CONFIG_I2C_BLACKFIN_TWI)
+	&i2c_bfin_twi_device,
+#endif
+
+#if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+	&bfin_sport1_uart_device,
+#endif
+#endif
+
+};
+
+static int __init minotaur_init(void)
+{
+	printk(KERN_INFO "%s(): registering device resources\n", __func__);
+	platform_add_devices(minotaur_devices, ARRAY_SIZE(minotaur_devices));
+#if IS_ENABLED(CONFIG_SPI_BFIN5XX)
+	spi_register_board_info(bfin_spi_board_info,
+				ARRAY_SIZE(bfin_spi_board_info));
+#endif
+
+	return 0;
+}
+
+arch_initcall(minotaur_init);
+
+static struct platform_device *minotaur_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+	&bfin_uart1_device,
+#endif
+#endif
+
+#if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+	&bfin_sport1_uart_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+	printk(KERN_INFO "register early platform devices\n");
+	early_platform_add_devices(minotaur_early_devices,
+		ARRAY_SIZE(minotaur_early_devices));
+}
+
+void native_machine_restart(char *cmd)
+{
+	/* workaround reboot hang when booting from SPI */
+	if ((bfin_read_SYSCR() & 0x7) == 0x3)
+		bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
+}