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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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+
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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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+
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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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+
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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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+
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+ iounmap(pwr_sd);
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+}
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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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+/*************************************************************************
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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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+/*
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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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+
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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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/*************************************************************************
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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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+/*************************************************************************
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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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+
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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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+/*************************************************************************
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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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+
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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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+
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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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+
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+ ep93xx_register_eth(&ts72xx_eth_data, 1);
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+
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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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+
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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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+
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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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Lukasz Majewski