ARM: mxs: Add Creative ZEN XFi3 board

Add STMP3780-based XFi3 board. This board is a small PMP device
sporting a CPU which was later rebranded to i.MX233 . Currently
supported is USB gadget mode and both external SD and internal
Phison SD-NAND bridge .

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Otavio Salvador <otavio@ossystems.com.br>
Cc: Stefano Babic <sbabic@denx.de>

1 files changed, 224 insertions, 0 deletions

diff --git a/board/creative/xfi3/xfi3.c b/board/creative/xfi3/xfi3.c
new file mode 100644
index 0000000..1d83ea8
--- /dev/null
+++ b/board/creative/xfi3/xfi3.c
@@ -0,0 +1,224 @@
+/*
+ * Creative ZEN X-Fi3 board
+ *
+ * Copyright (C) 2013 Marek Vasut <marex@denx.de>
+ *
+ * Hardware investigation done by:
+ *
+ * Amaury Pouly <amaury.pouly@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <errno.h>
+#include <asm/gpio.h>
+#include <asm/io.h>
+#include <asm/arch/iomux-mx23.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/sys_proto.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Functions
+ */
+int board_early_init_f(void)
+{
+	/* IO0 clock at 480MHz */
+	mxs_set_ioclk(MXC_IOCLK0, 480000);
+
+	/* SSP0 clock at 96MHz */
+	mxs_set_sspclk(MXC_SSPCLK0, 96000, 0);
+
+	return 0;
+}
+
+int dram_init(void)
+{
+	return mxs_dram_init();
+}
+
+#ifdef	CONFIG_CMD_MMC
+static int xfi3_mmc_cd(int id)
+{
+	switch (id) {
+	case 0:
+		/* The SSP_DETECT is inverted on this board. */
+		return gpio_get_value(MX23_PAD_SSP1_DETECT__GPIO_2_1);
+	case 1:
+		/* Phison bridge always present */
+		return 1;
+	default:
+		return 0;
+	}
+}
+
+int board_mmc_init(bd_t *bis)
+{
+	int ret;
+
+	/* MicroSD slot */
+	gpio_direction_input(MX23_PAD_SSP1_DETECT__GPIO_2_1);
+	gpio_direction_output(MX23_PAD_GPMI_D07__GPIO_0_7, 0);
+	ret = mxsmmc_initialize(bis, 0, NULL, xfi3_mmc_cd);
+	if (ret)
+		return ret;
+
+	/* Phison SD-NAND bridge */
+	ret = mxsmmc_initialize(bis, 1, NULL, xfi3_mmc_cd);
+
+	return ret;
+}
+#endif
+
+#ifdef CONFIG_VIDEO_MXS
+static int mxsfb_write_byte(uint32_t payload, const unsigned int data)
+{
+	struct mxs_lcdif_regs *regs = (struct mxs_lcdif_regs *)MXS_LCDIF_BASE;
+	const unsigned int timeout = 0x10000;
+
+	if (mxs_wait_mask_clr(&regs->hw_lcdif_ctrl_reg, LCDIF_CTRL_RUN,
+			      timeout))
+		return -ETIMEDOUT;
+
+	writel((1 << LCDIF_TRANSFER_COUNT_V_COUNT_OFFSET) |
+		(1 << LCDIF_TRANSFER_COUNT_H_COUNT_OFFSET),
+		&regs->hw_lcdif_transfer_count);
+
+	writel(LCDIF_CTRL_DATA_SELECT | LCDIF_CTRL_RUN,
+	       &regs->hw_lcdif_ctrl_clr);
+
+	if (data)
+		writel(LCDIF_CTRL_DATA_SELECT, &regs->hw_lcdif_ctrl_set);
+
+	writel(LCDIF_CTRL_RUN, &regs->hw_lcdif_ctrl_set);
+
+	if (mxs_wait_mask_clr(&regs->hw_lcdif_lcdif_stat_reg, 1 << 29,
+			      timeout))
+		return -ETIMEDOUT;
+
+	writel(payload, &regs->hw_lcdif_data);
+	return mxs_wait_mask_clr(&regs->hw_lcdif_ctrl_reg, LCDIF_CTRL_RUN,
+				 timeout);
+}
+
+static void mxsfb_write_register(uint32_t reg, uint32_t data)
+{
+	mxsfb_write_byte(reg, 0);
+	mxsfb_write_byte(data, 1);
+}
+
+static const struct {
+	uint8_t		reg;
+	uint8_t		delay;
+	uint16_t	val;
+} lcd_regs[] = {
+	{ 0x01, 0,  0x001c },
+	{ 0x02, 0,  0x0100 },
+	/* Writing 0x30 to reg. 0x03 flips the LCD */
+	{ 0x03, 0,  0x1038 },
+	{ 0x08, 0,  0x0808 },
+	/* This can contain 0x111 to rotate the LCD. */
+	{ 0x0c, 0,  0x0000 },
+	{ 0x0f, 0,  0x0c01 },
+	{ 0x20, 0,  0x0000 },
+	{ 0x21, 30, 0x0000 },
+	/* Wait 30 mS here */
+	{ 0x10, 0,  0x0a00 },
+	{ 0x11, 30, 0x1038 },
+	/* Wait 30 mS here */
+	{ 0x12, 0,  0x1010 },
+	{ 0x13, 0,  0x0050 },
+	{ 0x14, 0,  0x4f58 },
+	{ 0x30, 0,  0x0000 },
+	{ 0x31, 0,  0x00db },
+	{ 0x32, 0,  0x0000 },
+	{ 0x33, 0,  0x0000 },
+	{ 0x34, 0,  0x00db },
+	{ 0x35, 0,  0x0000 },
+	{ 0x36, 0,  0x00af },
+	{ 0x37, 0,  0x0000 },
+	{ 0x38, 0,  0x00db },
+	{ 0x39, 0,  0x0000 },
+	{ 0x50, 0,  0x0000 },
+	{ 0x51, 0,  0x0705 },
+	{ 0x52, 0,  0x0e0a },
+	{ 0x53, 0,  0x0300 },
+	{ 0x54, 0,  0x0a0e },
+	{ 0x55, 0,  0x0507 },
+	{ 0x56, 0,  0x0000 },
+	{ 0x57, 0,  0x0003 },
+	{ 0x58, 0,  0x090a },
+	{ 0x59, 30, 0x0a09 },
+	/* Wait 30 mS here */
+	{ 0x07, 30, 0x1017 },
+	/* Wait 40 mS here */
+	{ 0x36, 0,  0x00af },
+	{ 0x37, 0,  0x0000 },
+	{ 0x38, 0,  0x00db },
+	{ 0x39, 0,  0x0000 },
+	{ 0x20, 0,  0x0000 },
+	{ 0x21, 0,  0x0000 },
+};
+
+void board_mxsfb_system_setup(void)
+{
+	struct mxs_lcdif_regs *regs = (struct mxs_lcdif_regs *)MXS_LCDIF_BASE;
+	int i;
+
+	/* Switch the LCDIF into System-Mode */
+	writel(LCDIF_CTRL_LCDIF_MASTER | LCDIF_CTRL_DOTCLK_MODE |
+		LCDIF_CTRL_BYPASS_COUNT, &regs->hw_lcdif_ctrl_clr);
+
+	/* Restart the SmartLCD controller */
+	mdelay(50);
+	writel(1, &regs->hw_lcdif_ctrl1_set);
+	mdelay(50);
+	writel(1, &regs->hw_lcdif_ctrl1_clr);
+	mdelay(50);
+	writel(1, &regs->hw_lcdif_ctrl1_set);
+	mdelay(50);
+
+	/* Program the SmartLCD controller */
+	writel(LCDIF_CTRL1_RECOVER_ON_UNDERFLOW, &regs->hw_lcdif_ctrl1_set);
+
+	writel((0x03 << LCDIF_TIMING_CMD_HOLD_OFFSET) |
+	       (0x03 << LCDIF_TIMING_CMD_SETUP_OFFSET) |
+	       (0x03 << LCDIF_TIMING_DATA_HOLD_OFFSET) |
+	       (0x02 << LCDIF_TIMING_DATA_SETUP_OFFSET),
+	       &regs->hw_lcdif_timing);
+
+	/*
+	 * OTM2201A init and configuration sequence.
+	 */
+	for (i = 0; i < ARRAY_SIZE(lcd_regs); i++) {
+		mxsfb_write_register(lcd_regs[i].reg, lcd_regs[i].val);
+		if (lcd_regs[i].delay)
+			mdelay(lcd_regs[i].delay);
+	}
+	/* Turn on Framebuffer Upload Mode */
+	mxsfb_write_byte(0x22, 0);
+
+	writel(LCDIF_CTRL_LCDIF_MASTER | LCDIF_CTRL_DATA_SELECT,
+	       &regs->hw_lcdif_ctrl_set);
+}
+#endif
+
+int board_init(void)
+{
+	/* Adress of boot parameters */
+	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
+
+	/* Turn on PWM backlight */
+	gpio_direction_output(MX23_PAD_PWM2__GPIO_1_28, 1);
+
+	return 0;
+}
+
+int board_eth_init(bd_t *bis)
+{
+	usb_eth_initialize(bis);
+	return 0;
+}