552 lines
12 KiB
C
552 lines
12 KiB
C
/*
|
|
* Copyright 2004-2009 Analog Devices Inc.
|
|
* 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/mtd/plat-ram.h>
|
|
#include <linux/mtd/physmap.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/irq.h>
|
|
#include <linux/i2c.h>
|
|
#include <linux/gpio/machine.h>
|
|
#include <asm/dma.h>
|
|
#include <asm/bfin5xx_spi.h>
|
|
#include <asm/portmux.h>
|
|
#include <asm/dpmc.h>
|
|
|
|
/*
|
|
* Name the Board for the /proc/cpuinfo
|
|
*/
|
|
const char bfin_board_name[] = "ADI BF533-EZKIT";
|
|
|
|
#if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
|
|
static struct platform_device rtc_device = {
|
|
.name = "rtc-bfin",
|
|
.id = -1,
|
|
};
|
|
#endif
|
|
|
|
/*
|
|
* USB-LAN EzExtender board
|
|
* Driver needs to know address, irq and flag pin.
|
|
*/
|
|
#if IS_ENABLED(CONFIG_SMC91X)
|
|
#include <linux/smc91x.h>
|
|
|
|
static struct smc91x_platdata smc91x_info = {
|
|
.flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
|
|
.leda = RPC_LED_100_10,
|
|
.ledb = RPC_LED_TX_RX,
|
|
};
|
|
|
|
static struct resource smc91x_resources[] = {
|
|
{
|
|
.name = "smc91x-regs",
|
|
.start = 0x20310300,
|
|
.end = 0x20310300 + 16,
|
|
.flags = IORESOURCE_MEM,
|
|
}, {
|
|
.start = IRQ_PF9,
|
|
.end = IRQ_PF9,
|
|
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
|
|
},
|
|
};
|
|
static struct platform_device smc91x_device = {
|
|
.name = "smc91x",
|
|
.id = 0,
|
|
.num_resources = ARRAY_SIZE(smc91x_resources),
|
|
.resource = smc91x_resources,
|
|
.dev = {
|
|
.platform_data = &smc91x_info,
|
|
},
|
|
};
|
|
#endif
|
|
|
|
#if IS_ENABLED(CONFIG_MTD_PHYSMAP)
|
|
static struct mtd_partition ezkit_partitions_a[] = {
|
|
{
|
|
.name = "bootloader(nor a)",
|
|
.size = 0x40000,
|
|
.offset = 0,
|
|
}, {
|
|
.name = "linux kernel(nor a)",
|
|
.size = MTDPART_SIZ_FULL,
|
|
.offset = MTDPART_OFS_APPEND,
|
|
},
|
|
};
|
|
|
|
static struct physmap_flash_data ezkit_flash_data_a = {
|
|
.width = 2,
|
|
.parts = ezkit_partitions_a,
|
|
.nr_parts = ARRAY_SIZE(ezkit_partitions_a),
|
|
};
|
|
|
|
static struct resource ezkit_flash_resource_a = {
|
|
.start = 0x20000000,
|
|
.end = 0x200fffff,
|
|
.flags = IORESOURCE_MEM,
|
|
};
|
|
|
|
static struct platform_device ezkit_flash_device_a = {
|
|
.name = "physmap-flash",
|
|
.id = 0,
|
|
.dev = {
|
|
.platform_data = &ezkit_flash_data_a,
|
|
},
|
|
.num_resources = 1,
|
|
.resource = &ezkit_flash_resource_a,
|
|
};
|
|
|
|
static struct mtd_partition ezkit_partitions_b[] = {
|
|
{
|
|
.name = "file system(nor b)",
|
|
.size = MTDPART_SIZ_FULL,
|
|
.offset = MTDPART_OFS_APPEND,
|
|
},
|
|
};
|
|
|
|
static struct physmap_flash_data ezkit_flash_data_b = {
|
|
.width = 2,
|
|
.parts = ezkit_partitions_b,
|
|
.nr_parts = ARRAY_SIZE(ezkit_partitions_b),
|
|
};
|
|
|
|
static struct resource ezkit_flash_resource_b = {
|
|
.start = 0x20100000,
|
|
.end = 0x201fffff,
|
|
.flags = IORESOURCE_MEM,
|
|
};
|
|
|
|
static struct platform_device ezkit_flash_device_b = {
|
|
.name = "physmap-flash",
|
|
.id = 4,
|
|
.dev = {
|
|
.platform_data = &ezkit_flash_data_b,
|
|
},
|
|
.num_resources = 1,
|
|
.resource = &ezkit_flash_resource_b,
|
|
};
|
|
#endif
|
|
|
|
#if IS_ENABLED(CONFIG_MTD_PLATRAM)
|
|
static struct platdata_mtd_ram sram_data_a = {
|
|
.mapname = "Flash A SRAM",
|
|
.bankwidth = 2,
|
|
};
|
|
|
|
static struct resource sram_resource_a = {
|
|
.start = 0x20240000,
|
|
.end = 0x2024ffff,
|
|
.flags = IORESOURCE_MEM,
|
|
};
|
|
|
|
static struct platform_device sram_device_a = {
|
|
.name = "mtd-ram",
|
|
.id = 8,
|
|
.dev = {
|
|
.platform_data = &sram_data_a,
|
|
},
|
|
.num_resources = 1,
|
|
.resource = &sram_resource_a,
|
|
};
|
|
|
|
static struct platdata_mtd_ram sram_data_b = {
|
|
.mapname = "Flash B SRAM",
|
|
.bankwidth = 2,
|
|
};
|
|
|
|
static struct resource sram_resource_b = {
|
|
.start = 0x202c0000,
|
|
.end = 0x202cffff,
|
|
.flags = IORESOURCE_MEM,
|
|
};
|
|
|
|
static struct platform_device sram_device_b = {
|
|
.name = "mtd-ram",
|
|
.id = 9,
|
|
.dev = {
|
|
.platform_data = &sram_data_b,
|
|
},
|
|
.num_resources = 1,
|
|
.resource = &sram_resource_b,
|
|
};
|
|
#endif
|
|
|
|
#if IS_ENABLED(CONFIG_MTD_M25P80)
|
|
static struct mtd_partition bfin_spi_flash_partitions[] = {
|
|
{
|
|
.name = "bootloader(spi)",
|
|
.size = 0x00020000,
|
|
.offset = 0,
|
|
.mask_flags = MTD_CAP_ROM
|
|
}, {
|
|
.name = "linux kernel(spi)",
|
|
.size = 0xe0000,
|
|
.offset = MTDPART_OFS_APPEND,
|
|
}, {
|
|
.name = "file system(spi)",
|
|
.size = MTDPART_SIZ_FULL,
|
|
.offset = MTDPART_OFS_APPEND,
|
|
}
|
|
};
|
|
|
|
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
|
|
|
|
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 = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
|
|
.platform_data = &bfin_spi_flash_data,
|
|
.controller_data = &spi_flash_chip_info,
|
|
.mode = SPI_MODE_3,
|
|
},
|
|
#endif
|
|
|
|
#if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD183X)
|
|
{
|
|
.modalias = "ad183x",
|
|
.max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
|
|
.bus_num = 0,
|
|
.chip_select = 4,
|
|
},
|
|
#endif
|
|
#if IS_ENABLED(CONFIG_SPI_SPIDEV)
|
|
{
|
|
.modalias = "spidev",
|
|
.max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
|
|
.bus_num = 0,
|
|
.chip_select = 1,
|
|
},
|
|
#endif
|
|
};
|
|
|
|
#if IS_ENABLED(CONFIG_SPI_BFIN5XX)
|
|
/* 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,
|
|
}
|
|
};
|
|
|
|
/* 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 */
|
|
.pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
|
|
};
|
|
|
|
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 = BFIN_UART_THR,
|
|
.end = BFIN_UART_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
|
|
#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
|
|
#endif
|
|
|
|
#if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
|
|
#include <linux/input.h>
|
|
#include <linux/gpio_keys.h>
|
|
|
|
static struct gpio_keys_button bfin_gpio_keys_table[] = {
|
|
{BTN_0, GPIO_PF7, 1, "gpio-keys: BTN0"},
|
|
{BTN_1, GPIO_PF8, 1, "gpio-keys: BTN1"},
|
|
{BTN_2, GPIO_PF9, 1, "gpio-keys: BTN2"},
|
|
{BTN_3, GPIO_PF10, 1, "gpio-keys: BTN3"},
|
|
};
|
|
|
|
static struct gpio_keys_platform_data bfin_gpio_keys_data = {
|
|
.buttons = bfin_gpio_keys_table,
|
|
.nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
|
|
};
|
|
|
|
static struct platform_device bfin_device_gpiokeys = {
|
|
.name = "gpio-keys",
|
|
.dev = {
|
|
.platform_data = &bfin_gpio_keys_data,
|
|
},
|
|
};
|
|
#endif
|
|
|
|
#if IS_ENABLED(CONFIG_I2C_GPIO)
|
|
#include <linux/i2c-gpio.h>
|
|
|
|
static struct gpiod_lookup_table bfin_i2c_gpiod_table = {
|
|
.dev_id = "i2c-gpio",
|
|
.table = {
|
|
GPIO_LOOKUP_IDX("BFIN-GPIO", GPIO_PF1, NULL, 0,
|
|
GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
|
|
GPIO_LOOKUP_IDX("BFIN-GPIO", GPIO_PF0, NULL, 1,
|
|
GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
|
|
},
|
|
};
|
|
|
|
static struct i2c_gpio_platform_data i2c_gpio_data = {
|
|
.udelay = 40,
|
|
};
|
|
|
|
static struct platform_device i2c_gpio_device = {
|
|
.name = "i2c-gpio",
|
|
.id = 0,
|
|
.dev = {
|
|
.platform_data = &i2c_gpio_data,
|
|
},
|
|
};
|
|
#endif
|
|
|
|
static const unsigned int cclk_vlev_datasheet[] =
|
|
{
|
|
VRPAIR(VLEV_085, 250000000),
|
|
VRPAIR(VLEV_090, 376000000),
|
|
VRPAIR(VLEV_095, 426000000),
|
|
VRPAIR(VLEV_100, 426000000),
|
|
VRPAIR(VLEV_105, 476000000),
|
|
VRPAIR(VLEV_110, 476000000),
|
|
VRPAIR(VLEV_115, 476000000),
|
|
VRPAIR(VLEV_120, 600000000),
|
|
VRPAIR(VLEV_125, 600000000),
|
|
VRPAIR(VLEV_130, 600000000),
|
|
};
|
|
|
|
static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
|
|
.tuple_tab = cclk_vlev_datasheet,
|
|
.tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
|
|
.vr_settling_time = 25 /* us */,
|
|
};
|
|
|
|
static struct platform_device bfin_dpmc = {
|
|
.name = "bfin dpmc",
|
|
.dev = {
|
|
.platform_data = &bfin_dmpc_vreg_data,
|
|
},
|
|
};
|
|
|
|
static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
|
|
#if IS_ENABLED(CONFIG_FB_BFIN_7393)
|
|
{
|
|
I2C_BOARD_INFO("bfin-adv7393", 0x2B),
|
|
},
|
|
#endif
|
|
};
|
|
|
|
#if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
|
|
static struct platform_device bfin_i2s = {
|
|
.name = "bfin-i2s",
|
|
.id = CONFIG_SND_BF5XX_SPORT_NUM,
|
|
/* TODO: add platform data here */
|
|
};
|
|
#endif
|
|
|
|
#if IS_ENABLED(CONFIG_SND_BF5XX_AC97)
|
|
static struct platform_device bfin_ac97 = {
|
|
.name = "bfin-ac97",
|
|
.id = CONFIG_SND_BF5XX_SPORT_NUM,
|
|
/* TODO: add platform data here */
|
|
};
|
|
#endif
|
|
|
|
static struct platform_device *ezkit_devices[] __initdata = {
|
|
|
|
&bfin_dpmc,
|
|
|
|
#if IS_ENABLED(CONFIG_MTD_PHYSMAP)
|
|
&ezkit_flash_device_a,
|
|
&ezkit_flash_device_b,
|
|
#endif
|
|
|
|
#if IS_ENABLED(CONFIG_MTD_PLATRAM)
|
|
&sram_device_a,
|
|
&sram_device_b,
|
|
#endif
|
|
|
|
#if IS_ENABLED(CONFIG_SMC91X)
|
|
&smc91x_device,
|
|
#endif
|
|
|
|
#if IS_ENABLED(CONFIG_SPI_BFIN5XX)
|
|
&bfin_spi0_device,
|
|
#endif
|
|
|
|
#if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
|
|
&rtc_device,
|
|
#endif
|
|
|
|
#if IS_ENABLED(CONFIG_SERIAL_BFIN)
|
|
#ifdef CONFIG_SERIAL_BFIN_UART0
|
|
&bfin_uart0_device,
|
|
#endif
|
|
#endif
|
|
|
|
#if IS_ENABLED(CONFIG_BFIN_SIR)
|
|
#ifdef CONFIG_BFIN_SIR0
|
|
&bfin_sir0_device,
|
|
#endif
|
|
#endif
|
|
|
|
#if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
|
|
&bfin_device_gpiokeys,
|
|
#endif
|
|
|
|
#if IS_ENABLED(CONFIG_I2C_GPIO)
|
|
&i2c_gpio_device,
|
|
#endif
|
|
|
|
#if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
|
|
&bfin_i2s,
|
|
#endif
|
|
|
|
#if IS_ENABLED(CONFIG_SND_BF5XX_AC97)
|
|
&bfin_ac97,
|
|
#endif
|
|
};
|
|
|
|
static int __init ezkit_init(void)
|
|
{
|
|
printk(KERN_INFO "%s(): registering device resources\n", __func__);
|
|
#if IS_ENABLED(CONFIG_I2C_GPIO)
|
|
gpiod_add_lookup_table(&bfin_i2c_gpiod_table);
|
|
#endif
|
|
platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
|
|
spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
|
|
i2c_register_board_info(0, bfin_i2c_board_info,
|
|
ARRAY_SIZE(bfin_i2c_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));
|
|
}
|