ARM: ep93xx: ts72xx: Add support for BK3 board - ts72xx derivative
The BK3 board is a derivative of the ts72xx reference design. Signed-off-by: Lukasz Majewski <lukma@denx.de> Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
This commit is contained in:
Lukasz Majewski
Alexander Sverdlin
parent
e41f1e8555
commit
c8cee3596d
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@ -1254,6 +1254,12 @@ L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
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S: Supported
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F: drivers/net/ethernet/cavium/thunder/
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ARM/CIRRUS LOGIC BK3 MACHINE SUPPORT
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M: Lukasz Majewski <lukma@denx.de>
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L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
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S: Maintained
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F: arch/arm/mach-ep93xx/ts72xx.c
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ARM/CIRRUS LOGIC CLPS711X ARM ARCHITECTURE
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M: Alexander Shiyan <shc_work@mail.ru>
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L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
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@ -21,6 +21,13 @@ config MACH_ADSSPHERE
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Say 'Y' here if you want your kernel to support the ADS
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Sphere board.
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config MACH_BK3
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bool "Support Liebherr BK3.1"
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select MACH_TS72XX
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help
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Say 'Y' here if you want your kernel to support the
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Liebherr controller BK3.1.
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config MACH_EDB93XX
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bool
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@ -19,10 +19,15 @@
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#include <linux/mtd/rawnand.h>
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#include <linux/mtd/partitions.h>
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#include <linux/spi/spi.h>
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#include <linux/spi/flash.h>
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#include <linux/spi/mmc_spi.h>
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#include <linux/mmc/host.h>
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#include <linux/platform_data/spi-ep93xx.h>
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#include <mach/gpio-ep93xx.h>
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#include <mach/hardware.h>
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#include <mach/irqs.h>
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#include <mach/gpio-ep93xx.h>
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#include <asm/mach-types.h>
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#include <asm/mach/map.h>
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@ -50,6 +55,11 @@ static struct map_desc ts72xx_io_desc[] __initdata = {
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.pfn = __phys_to_pfn(TS72XX_OPTIONS2_PHYS_BASE),
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.length = TS72XX_OPTIONS2_SIZE,
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.type = MT_DEVICE,
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}, {
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.virtual = (unsigned long)TS72XX_CPLDVER_VIRT_BASE,
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.pfn = __phys_to_pfn(TS72XX_CPLDVER_PHYS_BASE),
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.length = TS72XX_CPLDVER_SIZE,
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.type = MT_DEVICE,
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}
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};
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@ -211,6 +221,69 @@ static struct ep93xx_eth_data __initdata ts72xx_eth_data = {
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.phy_id = 1,
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};
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/*************************************************************************
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* SPI SD/MMC host
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*************************************************************************/
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#define BK3_EN_SDCARD_PHYS_BASE 0x12400000
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#define BK3_EN_SDCARD_PWR 0x0
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#define BK3_DIS_SDCARD_PWR 0x0C
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static void bk3_mmc_spi_setpower(struct device *dev, unsigned int vdd)
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{
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void __iomem *pwr_sd = ioremap(BK3_EN_SDCARD_PHYS_BASE, SZ_4K);
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if (!pwr_sd) {
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pr_err("Failed to enable SD card power!");
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return;
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}
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pr_debug("%s: SD card pwr %s VDD:0x%x\n", __func__,
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!!vdd ? "ON" : "OFF", vdd);
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if (!!vdd)
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__raw_writeb(BK3_EN_SDCARD_PWR, pwr_sd);
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else
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__raw_writeb(BK3_DIS_SDCARD_PWR, pwr_sd);
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iounmap(pwr_sd);
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}
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static struct mmc_spi_platform_data bk3_spi_mmc_data = {
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.detect_delay = 500,
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.powerup_msecs = 100,
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.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
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.caps = MMC_CAP_NONREMOVABLE,
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.setpower = bk3_mmc_spi_setpower,
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};
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/*************************************************************************
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* SPI Bus - SD card access
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*************************************************************************/
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static struct spi_board_info bk3_spi_board_info[] __initdata = {
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{
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.modalias = "mmc_spi",
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.platform_data = &bk3_spi_mmc_data,
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.max_speed_hz = 7.4E6,
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.bus_num = 0,
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.chip_select = 0,
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.mode = SPI_MODE_0,
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},
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};
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/*
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* This is a stub -> the FGPIO[3] pin is not connected on the schematic
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* The all work is performed automatically by !SPI_FRAME (SFRM1) and
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* goes through CPLD
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*/
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static int bk3_spi_chipselects[] __initdata = {
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EP93XX_GPIO_LINE_F(3),
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};
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static struct ep93xx_spi_info bk3_spi_master __initdata = {
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.chipselect = bk3_spi_chipselects,
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.num_chipselect = ARRAY_SIZE(bk3_spi_chipselects),
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.use_dma = 1,
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};
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/*************************************************************************
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* TS72XX support code
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*************************************************************************/
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@ -285,3 +358,66 @@ MACHINE_START(TS72XX, "Technologic Systems TS-72xx SBC")
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.init_late = ep93xx_init_late,
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.restart = ep93xx_restart,
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MACHINE_END
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/*************************************************************************
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* EP93xx I2S audio peripheral handling
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*************************************************************************/
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static struct resource ep93xx_i2s_resource[] = {
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DEFINE_RES_MEM(EP93XX_I2S_PHYS_BASE, 0x100),
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DEFINE_RES_IRQ_NAMED(IRQ_EP93XX_SAI, "spilink i2s slave"),
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};
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static struct platform_device ep93xx_i2s_device = {
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.name = "ep93xx-spilink-i2s",
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.id = -1,
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.num_resources = ARRAY_SIZE(ep93xx_i2s_resource),
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.resource = ep93xx_i2s_resource,
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};
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/*************************************************************************
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* BK3 support code
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*************************************************************************/
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static struct mtd_partition bk3_nand_parts[] = {
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{
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.name = "System",
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.offset = 0x00000000,
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.size = 0x01e00000,
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}, {
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.name = "Data",
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.offset = 0x01e00000,
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.size = 0x05f20000
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}, {
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.name = "RedBoot",
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.offset = 0x07d20000,
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.size = 0x002e0000,
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.mask_flags = MTD_WRITEABLE, /* force RO */
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},
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};
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static void __init bk3_init_machine(void)
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{
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ep93xx_init_devices();
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ts72xx_register_flash(bk3_nand_parts, ARRAY_SIZE(bk3_nand_parts),
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EP93XX_CS6_PHYS_BASE);
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ep93xx_register_eth(&ts72xx_eth_data, 1);
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ep93xx_register_spi(&bk3_spi_master, bk3_spi_board_info,
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ARRAY_SIZE(bk3_spi_board_info));
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/* Configure ep93xx's I2S to use AC97 pins */
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ep93xx_devcfg_set_bits(EP93XX_SYSCON_DEVCFG_I2SONAC97);
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platform_device_register(&ep93xx_i2s_device);
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}
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MACHINE_START(BK3, "Liebherr controller BK3.1")
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/* Maintainer: Lukasz Majewski <lukma@denx.de> */
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.atag_offset = 0x100,
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.map_io = ts72xx_map_io,
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.init_irq = ep93xx_init_irq,
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.init_time = ep93xx_timer_init,
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.init_machine = bk3_init_machine,
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.init_late = ep93xx_init_late,
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.restart = ep93xx_restart,
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MACHINE_END
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@ -10,6 +10,7 @@
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* febff000 22000000 4K model number register (bits 0-2)
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* febfe000 22400000 4K options register
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* febfd000 22800000 4K options register #2
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* febfc000 23400000 4K CPLD version register
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*/
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#ifndef __TS72XX_H_
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@ -42,6 +43,10 @@
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#define TS72XX_OPTIONS2_TS9420 0x04
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#define TS72XX_OPTIONS2_TS9420_BOOT 0x02
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#define TS72XX_CPLDVER_PHYS_BASE 0x23400000
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#define TS72XX_CPLDVER_VIRT_BASE IOMEM(0xfebfc000)
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#define TS72XX_CPLDVER_SIZE 0x00001000
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#ifndef __ASSEMBLY__
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static inline int ts72xx_model(void)
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@ -345,6 +345,7 @@ mxlads MACH_MXLADS MXLADS 1851
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linkstation_mini MACH_LINKSTATION_MINI LINKSTATION_MINI 1858
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afeb9260 MACH_AFEB9260 AFEB9260 1859
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imx27ipcam MACH_IMX27IPCAM IMX27IPCAM 1871
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bk3 MACH_BK3 BK3 1880
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rd88f6183ap_ge MACH_RD88F6183AP_GE RD88F6183AP_GE 1894
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realview_pba8 MACH_REALVIEW_PBA8 REALVIEW_PBA8 1897
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realview_pbx MACH_REALVIEW_PBX REALVIEW_PBX 1901
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