mirror of https://gitee.com/openkylin/linux.git
572 lines
13 KiB
C
572 lines
13 KiB
C
/*
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* Copyright 2004-2009 Analog Devices Inc.
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* 2005 National ICT Australia (NICTA)
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* Aidan Williams <aidan@nicta.com.au>
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*
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* Licensed under the GPL-2 or later.
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*/
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#include <linux/device.h>
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#include <linux/platform_device.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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#include <linux/mtd/physmap.h>
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#include <linux/spi/spi.h>
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#include <linux/irq.h>
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#include <linux/interrupt.h>
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#include <linux/delay.h>
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#include <asm/dma.h>
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#include <asm/bfin5xx_spi.h>
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#include <asm/portmux.h>
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#include <asm/dpmc.h>
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/*
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* Name the Board for the /proc/cpuinfo
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*/
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const char bfin_board_name[] = "ADI BF561-EZKIT";
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#if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
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#include <linux/usb/isp1760.h>
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static struct resource bfin_isp1760_resources[] = {
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[0] = {
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.start = 0x2C0F0000,
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.end = 0x203C0000 + 0xfffff,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_PF10,
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.end = IRQ_PF10,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct isp1760_platform_data isp1760_priv = {
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.is_isp1761 = 0,
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.bus_width_16 = 1,
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.port1_otg = 0,
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.analog_oc = 0,
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.dack_polarity_high = 0,
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.dreq_polarity_high = 0,
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};
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static struct platform_device bfin_isp1760_device = {
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.name = "isp1760",
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.id = 0,
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.dev = {
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.platform_data = &isp1760_priv,
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},
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.num_resources = ARRAY_SIZE(bfin_isp1760_resources),
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.resource = bfin_isp1760_resources,
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};
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#endif
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#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
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#include <linux/usb/isp1362.h>
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static struct resource isp1362_hcd_resources[] = {
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{
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.start = 0x2c060000,
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.end = 0x2c060000,
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.flags = IORESOURCE_MEM,
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}, {
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.start = 0x2c060004,
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.end = 0x2c060004,
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.flags = IORESOURCE_MEM,
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}, {
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.start = IRQ_PF8,
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.end = IRQ_PF8,
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
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},
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};
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static struct isp1362_platform_data isp1362_priv = {
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.sel15Kres = 1,
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.clknotstop = 0,
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.oc_enable = 0,
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.int_act_high = 0,
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.int_edge_triggered = 0,
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.remote_wakeup_connected = 0,
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.no_power_switching = 1,
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.power_switching_mode = 0,
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};
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static struct platform_device isp1362_hcd_device = {
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.name = "isp1362-hcd",
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.id = 0,
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.dev = {
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.platform_data = &isp1362_priv,
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},
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.num_resources = ARRAY_SIZE(isp1362_hcd_resources),
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.resource = isp1362_hcd_resources,
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};
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#endif
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#if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
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static struct resource net2272_bfin_resources[] = {
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{
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.start = 0x2C000000,
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.end = 0x2C000000 + 0x7F,
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.flags = IORESOURCE_MEM,
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}, {
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.start = 1,
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.flags = IORESOURCE_BUS,
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}, {
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.start = IRQ_PF10,
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.end = IRQ_PF10,
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
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},
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};
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static struct platform_device net2272_bfin_device = {
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.name = "net2272",
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.id = -1,
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.num_resources = ARRAY_SIZE(net2272_bfin_resources),
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.resource = net2272_bfin_resources,
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};
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#endif
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/*
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* USB-LAN EzExtender board
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* Driver needs to know address, irq and flag pin.
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*/
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#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
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#include <linux/smc91x.h>
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static struct smc91x_platdata smc91x_info = {
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.flags = SMC91X_USE_32BIT | SMC91X_NOWAIT,
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.leda = RPC_LED_100_10,
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.ledb = RPC_LED_TX_RX,
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};
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static struct resource smc91x_resources[] = {
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{
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.name = "smc91x-regs",
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.start = 0x2C010300,
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.end = 0x2C010300 + 16,
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.flags = IORESOURCE_MEM,
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}, {
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.start = IRQ_PF9,
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.end = IRQ_PF9,
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
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},
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};
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static struct platform_device smc91x_device = {
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.name = "smc91x",
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.id = 0,
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.num_resources = ARRAY_SIZE(smc91x_resources),
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.resource = smc91x_resources,
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.dev = {
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.platform_data = &smc91x_info,
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},
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};
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#endif
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#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
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#ifdef CONFIG_SERIAL_BFIN_UART0
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static struct resource bfin_uart0_resources[] = {
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{
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.start = BFIN_UART_THR,
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.end = BFIN_UART_GCTL+2,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = IRQ_UART_RX,
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.end = IRQ_UART_RX+1,
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.flags = IORESOURCE_IRQ,
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},
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{
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.start = IRQ_UART_ERROR,
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.end = IRQ_UART_ERROR,
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.flags = IORESOURCE_IRQ,
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},
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{
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.start = CH_UART_TX,
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.end = CH_UART_TX,
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.flags = IORESOURCE_DMA,
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},
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{
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.start = CH_UART_RX,
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.end = CH_UART_RX,
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.flags = IORESOURCE_DMA,
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},
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};
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static unsigned short bfin_uart0_peripherals[] = {
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P_UART0_TX, P_UART0_RX, 0
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};
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static struct platform_device bfin_uart0_device = {
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.name = "bfin-uart",
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.id = 0,
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.num_resources = ARRAY_SIZE(bfin_uart0_resources),
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.resource = bfin_uart0_resources,
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.dev = {
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.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
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},
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};
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#endif
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#endif
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#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
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#ifdef CONFIG_BFIN_SIR0
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static struct resource bfin_sir0_resources[] = {
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{
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.start = 0xFFC00400,
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.end = 0xFFC004FF,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = IRQ_UART0_RX,
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.end = IRQ_UART0_RX+1,
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.flags = IORESOURCE_IRQ,
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},
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{
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.start = CH_UART0_RX,
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.end = CH_UART0_RX+1,
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.flags = IORESOURCE_DMA,
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},
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};
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static struct platform_device bfin_sir0_device = {
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.name = "bfin_sir",
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.id = 0,
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.num_resources = ARRAY_SIZE(bfin_sir0_resources),
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.resource = bfin_sir0_resources,
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};
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#endif
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#endif
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#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
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static struct mtd_partition ezkit_partitions[] = {
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{
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.name = "bootloader(nor)",
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.size = 0x40000,
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.offset = 0,
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}, {
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.name = "linux kernel(nor)",
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.size = 0x1C0000,
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.offset = MTDPART_OFS_APPEND,
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}, {
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.name = "file system(nor)",
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.size = 0x800000 - 0x40000 - 0x1C0000 - 0x2000 * 8,
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.offset = MTDPART_OFS_APPEND,
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}, {
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.name = "config(nor)",
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.size = 0x2000 * 7,
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.offset = MTDPART_OFS_APPEND,
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}, {
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.name = "u-boot env(nor)",
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.size = 0x2000,
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.offset = MTDPART_OFS_APPEND,
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}
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};
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static struct physmap_flash_data ezkit_flash_data = {
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.width = 2,
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.parts = ezkit_partitions,
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.nr_parts = ARRAY_SIZE(ezkit_partitions),
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};
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static struct resource ezkit_flash_resource = {
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.start = 0x20000000,
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.end = 0x207fffff,
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.flags = IORESOURCE_MEM,
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};
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static struct platform_device ezkit_flash_device = {
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.name = "physmap-flash",
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.id = 0,
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.dev = {
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.platform_data = &ezkit_flash_data,
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},
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.num_resources = 1,
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.resource = &ezkit_flash_resource,
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};
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#endif
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#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
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/* SPI (0) */
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static struct resource bfin_spi0_resource[] = {
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[0] = {
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.start = SPI0_REGBASE,
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.end = SPI0_REGBASE + 0xFF,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = CH_SPI,
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.end = CH_SPI,
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.flags = IORESOURCE_DMA,
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},
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[2] = {
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.start = IRQ_SPI,
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.end = IRQ_SPI,
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.flags = IORESOURCE_IRQ,
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}
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};
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/* SPI controller data */
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static struct bfin5xx_spi_master bfin_spi0_info = {
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.num_chipselect = 8,
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.enable_dma = 1, /* master has the ability to do dma transfer */
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.pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
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};
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static struct platform_device bfin_spi0_device = {
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.name = "bfin-spi",
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.id = 0, /* Bus number */
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.num_resources = ARRAY_SIZE(bfin_spi0_resource),
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.resource = bfin_spi0_resource,
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.dev = {
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.platform_data = &bfin_spi0_info, /* Passed to driver */
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},
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};
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#endif
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static struct spi_board_info bfin_spi_board_info[] __initdata = {
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#if defined(CONFIG_SND_BF5XX_SOC_AD183X) \
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|| defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
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{
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.modalias = "ad183x",
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.max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
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.bus_num = 0,
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.chip_select = 4,
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.platform_data = "ad1836", /* only includes chip name for the moment */
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.mode = SPI_MODE_3,
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},
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#endif
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#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
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{
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.modalias = "spidev",
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.max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
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.bus_num = 0,
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.chip_select = 1,
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},
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#endif
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};
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#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
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#include <linux/input.h>
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#include <linux/gpio_keys.h>
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static struct gpio_keys_button bfin_gpio_keys_table[] = {
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{BTN_0, GPIO_PF5, 1, "gpio-keys: BTN0"},
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{BTN_1, GPIO_PF6, 1, "gpio-keys: BTN1"},
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{BTN_2, GPIO_PF7, 1, "gpio-keys: BTN2"},
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{BTN_3, GPIO_PF8, 1, "gpio-keys: BTN3"},
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};
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static struct gpio_keys_platform_data bfin_gpio_keys_data = {
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.buttons = bfin_gpio_keys_table,
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.nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
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};
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static struct platform_device bfin_device_gpiokeys = {
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.name = "gpio-keys",
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.dev = {
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.platform_data = &bfin_gpio_keys_data,
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},
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};
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#endif
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#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
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#include <linux/i2c-gpio.h>
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static struct i2c_gpio_platform_data i2c_gpio_data = {
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.sda_pin = GPIO_PF1,
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.scl_pin = GPIO_PF0,
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.sda_is_open_drain = 0,
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.scl_is_open_drain = 0,
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.udelay = 40,
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};
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static struct platform_device i2c_gpio_device = {
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.name = "i2c-gpio",
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.id = 0,
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.dev = {
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.platform_data = &i2c_gpio_data,
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},
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};
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#endif
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static const unsigned int cclk_vlev_datasheet[] =
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{
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VRPAIR(VLEV_085, 250000000),
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VRPAIR(VLEV_090, 300000000),
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VRPAIR(VLEV_095, 313000000),
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VRPAIR(VLEV_100, 350000000),
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VRPAIR(VLEV_105, 400000000),
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VRPAIR(VLEV_110, 444000000),
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VRPAIR(VLEV_115, 450000000),
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VRPAIR(VLEV_120, 475000000),
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VRPAIR(VLEV_125, 500000000),
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VRPAIR(VLEV_130, 600000000),
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};
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static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
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.tuple_tab = cclk_vlev_datasheet,
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.tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
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.vr_settling_time = 25 /* us */,
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};
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static struct platform_device bfin_dpmc = {
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.name = "bfin dpmc",
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.dev = {
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.platform_data = &bfin_dmpc_vreg_data,
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},
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};
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#if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
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static struct platform_device bfin_i2s = {
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.name = "bfin-i2s",
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.id = CONFIG_SND_BF5XX_SPORT_NUM,
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/* TODO: add platform data here */
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};
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#endif
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#if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
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static struct platform_device bfin_tdm = {
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.name = "bfin-tdm",
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.id = CONFIG_SND_BF5XX_SPORT_NUM,
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/* TODO: add platform data here */
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};
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#endif
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#if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
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static struct platform_device bfin_ac97 = {
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.name = "bfin-ac97",
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.id = CONFIG_SND_BF5XX_SPORT_NUM,
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/* TODO: add platform data here */
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};
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#endif
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static struct platform_device *ezkit_devices[] __initdata = {
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&bfin_dpmc,
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#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
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&smc91x_device,
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#endif
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#if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
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&net2272_bfin_device,
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#endif
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#if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
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&bfin_isp1760_device,
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#endif
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#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
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&bfin_spi0_device,
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#endif
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#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
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#ifdef CONFIG_SERIAL_BFIN_UART0
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&bfin_uart0_device,
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#endif
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#endif
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#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
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#ifdef CONFIG_BFIN_SIR0
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&bfin_sir0_device,
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#endif
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#endif
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#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
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&bfin_device_gpiokeys,
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#endif
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#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
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&i2c_gpio_device,
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#endif
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#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
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&isp1362_hcd_device,
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#endif
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#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
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&ezkit_flash_device,
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#endif
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#if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
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&bfin_i2s,
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#endif
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#if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
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&bfin_tdm,
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#endif
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#if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
|
|
&bfin_ac97,
|
|
#endif
|
|
};
|
|
|
|
static int __init net2272_init(void)
|
|
{
|
|
#if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
|
|
int ret;
|
|
|
|
ret = gpio_request(GPIO_PF11, "net2272");
|
|
if (ret)
|
|
return ret;
|
|
|
|
/* Reset the USB chip */
|
|
gpio_direction_output(GPIO_PF11, 0);
|
|
mdelay(2);
|
|
gpio_set_value(GPIO_PF11, 1);
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int __init ezkit_init(void)
|
|
{
|
|
int ret;
|
|
|
|
printk(KERN_INFO "%s(): registering device resources\n", __func__);
|
|
|
|
ret = platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
|
|
bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 12));
|
|
SSYNC();
|
|
#endif
|
|
|
|
#if defined(CONFIG_SND_BF5XX_SOC_AD183X) || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
|
|
bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 15));
|
|
bfin_write_FIO0_FLAG_S(1 << 15);
|
|
SSYNC();
|
|
/*
|
|
* This initialization lasts for approximately 4500 MCLKs.
|
|
* MCLK = 12.288MHz
|
|
*/
|
|
udelay(400);
|
|
#endif
|
|
|
|
if (net2272_init())
|
|
pr_warning("unable to configure net2272; it probably won't work\n");
|
|
|
|
spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
|
|
return 0;
|
|
}
|
|
|
|
arch_initcall(ezkit_init);
|
|
|
|
static struct platform_device *ezkit_early_devices[] __initdata = {
|
|
#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
|
|
#ifdef CONFIG_SERIAL_BFIN_UART0
|
|
&bfin_uart0_device,
|
|
#endif
|
|
#endif
|
|
};
|
|
|
|
void __init native_machine_early_platform_add_devices(void)
|
|
{
|
|
printk(KERN_INFO "register early platform devices\n");
|
|
early_platform_add_devices(ezkit_early_devices,
|
|
ARRAY_SIZE(ezkit_early_devices));
|
|
}
|