5 files changed, 278 insertions, 0 deletions

diff --git a/roms/u-boot/board/CarMediaLab/flea3/Kconfig b/roms/u-boot/board/CarMediaLab/flea3/Kconfig
new file mode 100644
index 000000000..7113f2b51
--- /dev/null
+++ b/roms/u-boot/board/CarMediaLab/flea3/Kconfig
@@ -0,0 +1,15 @@
+if TARGET_FLEA3
+
+config SYS_BOARD
+	default "flea3"
+
+config SYS_VENDOR
+	default "CarMediaLab"
+
+config SYS_SOC
+	default "mx35"
+
+config SYS_CONFIG_NAME
+	default "flea3"
+
+endif
diff --git a/roms/u-boot/board/CarMediaLab/flea3/MAINTAINERS b/roms/u-boot/board/CarMediaLab/flea3/MAINTAINERS
new file mode 100644
index 000000000..c7b0df7bc
--- /dev/null
+++ b/roms/u-boot/board/CarMediaLab/flea3/MAINTAINERS
@@ -0,0 +1,6 @@
+FLEA3 BOARD
+M:	Stefano Babic <sbabic@denx.de>
+S:	Maintained
+F:	board/CarMediaLab/flea3/
+F:	include/configs/flea3.h
+F:	configs/flea3_defconfig
diff --git a/roms/u-boot/board/CarMediaLab/flea3/Makefile b/roms/u-boot/board/CarMediaLab/flea3/Makefile
new file mode 100644
index 000000000..edaac8683
--- /dev/null
+++ b/roms/u-boot/board/CarMediaLab/flea3/Makefile
@@ -0,0 +1,8 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de>
+#
+# (C) Copyright 2008-2009 Freescale Semiconductor, Inc.
+
+obj-y	:= flea3.o
+obj-y	+= lowlevel_init.o
diff --git a/roms/u-boot/board/CarMediaLab/flea3/flea3.c b/roms/u-boot/board/CarMediaLab/flea3/flea3.c
new file mode 100644
index 000000000..12c5ac331
--- /dev/null
+++ b/roms/u-boot/board/CarMediaLab/flea3/flea3.c
@@ -0,0 +1,225 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de>
+ *
+ * (C) Copyright 2008-2010 Freescale Semiconductor, Inc.
+ *
+ * Copyright (C) 2011, Stefano Babic <sbabic@denx.de>
+ */
+
+#include <common.h>
+#include <init.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include <env.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/arch/iomux-mx35.h>
+#include <i2c.h>
+#include <linux/types.h>
+#include <asm/gpio.h>
+#include <asm/arch/sys_proto.h>
+#include <netdev.h>
+#include <fdt_support.h>
+#include <mtd_node.h>
+#include <jffs2/load_kernel.h>
+
+#ifndef CONFIG_BOARD_EARLY_INIT_F
+#error "CONFIG_BOARD_EARLY_INIT_F must be set for this board"
+#endif
+
+#define CCM_CCMR_CONFIG		0x003F4208
+
+#define ESDCTL_DDR2_CONFIG	0x007FFC3F
+
+static inline void dram_wait(unsigned int count)
+{
+	volatile unsigned int wait = count;
+
+	while (wait--)
+		;
+}
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int dram_init(void)
+{
+	gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1,
+		PHYS_SDRAM_1_SIZE);
+
+	return 0;
+}
+
+static void board_setup_sdram(void)
+{
+	struct esdc_regs *esdc = (struct esdc_regs *)ESDCTL_BASE_ADDR;
+
+	/* Initialize with default values both CSD0/1 */
+	writel(0x2000, &esdc->esdctl0);
+	writel(0x2000, &esdc->esdctl1);
+
+
+	mx3_setup_sdram_bank(CSD0_BASE_ADDR, ESDCTL_DDR2_CONFIG,
+			     13, 10, 2, 0x8080);
+}
+
+static void setup_iomux_uart3(void)
+{
+	static const iomux_v3_cfg_t uart3_pads[] = {
+		MX35_PAD_RTS2__UART3_RXD_MUX,
+		MX35_PAD_CTS2__UART3_TXD_MUX,
+	};
+
+	imx_iomux_v3_setup_multiple_pads(uart3_pads, ARRAY_SIZE(uart3_pads));
+}
+
+#define I2C_PAD_CTRL	(PAD_CTL_HYS | PAD_CTL_PUS_100K_DOWN | PAD_CTL_ODE)
+
+static void setup_iomux_i2c(void)
+{
+	static const iomux_v3_cfg_t i2c_pads[] = {
+		NEW_PAD_CTRL(MX35_PAD_I2C1_CLK__I2C1_SCL, I2C_PAD_CTRL),
+		NEW_PAD_CTRL(MX35_PAD_I2C1_DAT__I2C1_SDA, I2C_PAD_CTRL),
+
+		NEW_PAD_CTRL(MX35_PAD_TX3_RX2__I2C3_SCL, I2C_PAD_CTRL),
+		NEW_PAD_CTRL(MX35_PAD_TX2_RX3__I2C3_SDA, I2C_PAD_CTRL),
+	};
+
+	imx_iomux_v3_setup_multiple_pads(i2c_pads, ARRAY_SIZE(i2c_pads));
+}
+
+
+static void setup_iomux_spi(void)
+{
+	static const iomux_v3_cfg_t spi_pads[] = {
+		MX35_PAD_CSPI1_MOSI__CSPI1_MOSI,
+		MX35_PAD_CSPI1_MISO__CSPI1_MISO,
+		MX35_PAD_CSPI1_SS0__CSPI1_SS0,
+		MX35_PAD_CSPI1_SS1__CSPI1_SS1,
+		MX35_PAD_CSPI1_SCLK__CSPI1_SCLK,
+	};
+
+	imx_iomux_v3_setup_multiple_pads(spi_pads, ARRAY_SIZE(spi_pads));
+}
+
+static void setup_iomux_fec(void)
+{
+	static const iomux_v3_cfg_t fec_pads[] = {
+		MX35_PAD_FEC_TX_CLK__FEC_TX_CLK,
+		MX35_PAD_FEC_RX_CLK__FEC_RX_CLK,
+		MX35_PAD_FEC_RX_DV__FEC_RX_DV,
+		MX35_PAD_FEC_COL__FEC_COL,
+		MX35_PAD_FEC_RDATA0__FEC_RDATA_0,
+		MX35_PAD_FEC_TDATA0__FEC_TDATA_0,
+		MX35_PAD_FEC_TX_EN__FEC_TX_EN,
+		MX35_PAD_FEC_MDC__FEC_MDC,
+		MX35_PAD_FEC_MDIO__FEC_MDIO,
+		MX35_PAD_FEC_TX_ERR__FEC_TX_ERR,
+		MX35_PAD_FEC_RX_ERR__FEC_RX_ERR,
+		MX35_PAD_FEC_CRS__FEC_CRS,
+		MX35_PAD_FEC_RDATA1__FEC_RDATA_1,
+		MX35_PAD_FEC_TDATA1__FEC_TDATA_1,
+		MX35_PAD_FEC_RDATA2__FEC_RDATA_2,
+		MX35_PAD_FEC_TDATA2__FEC_TDATA_2,
+		MX35_PAD_FEC_RDATA3__FEC_RDATA_3,
+		MX35_PAD_FEC_TDATA3__FEC_TDATA_3,
+		/* GPIO used to power off ethernet */
+		MX35_PAD_STXFS4__GPIO2_31,
+	};
+
+	/* setup pins for FEC */
+	imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads));
+}
+
+int board_early_init_f(void)
+{
+	struct ccm_regs *ccm =
+		(struct ccm_regs *)IMX_CCM_BASE;
+
+	/* setup GPIO3_1 to set HighVCore signal */
+	imx_iomux_v3_setup_pad(MX35_PAD_ATA_DA1__GPIO3_1);
+	gpio_direction_output(65, 1);
+
+	/* initialize PLL and clock configuration */
+	writel(CCM_CCMR_CONFIG, &ccm->ccmr);
+
+	writel(CCM_MPLL_532_HZ, &ccm->mpctl);
+	writel(CCM_PPLL_300_HZ, &ccm->ppctl);
+
+	/* Set the core to run at 532 Mhz */
+	writel(0x00001000, &ccm->pdr0);
+
+	/* Set-up RAM */
+	board_setup_sdram();
+
+	/* enable clocks */
+	writel(readl(&ccm->cgr0) |
+		MXC_CCM_CGR0_EMI_MASK |
+		MXC_CCM_CGR0_EDIO_MASK |
+		MXC_CCM_CGR0_EPIT1_MASK,
+		&ccm->cgr0);
+
+	writel(readl(&ccm->cgr1) |
+		MXC_CCM_CGR1_FEC_MASK |
+		MXC_CCM_CGR1_GPIO1_MASK |
+		MXC_CCM_CGR1_GPIO2_MASK |
+		MXC_CCM_CGR1_GPIO3_MASK |
+		MXC_CCM_CGR1_I2C1_MASK |
+		MXC_CCM_CGR1_I2C2_MASK |
+		MXC_CCM_CGR1_I2C3_MASK,
+		&ccm->cgr1);
+
+	/* Set-up NAND */
+	__raw_writel(readl(&ccm->rcsr) | MXC_CCM_RCSR_NFC_FMS, &ccm->rcsr);
+
+	/* Set pinmux for the required peripherals */
+	setup_iomux_uart3();
+	setup_iomux_i2c();
+	setup_iomux_fec();
+	setup_iomux_spi();
+
+	return 0;
+}
+
+int board_init(void)
+{
+	/* address of boot parameters */
+	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
+
+	/* Enable power for ethernet */
+	gpio_direction_output(63, 0);
+
+	udelay(2000);
+
+	return 0;
+}
+
+u32 get_board_rev(void)
+{
+	int rev = 0;
+
+	return (get_cpu_rev() & ~(0xF << 8)) | (rev & 0xF) << 8;
+}
+
+/*
+ * called prior to booting kernel or by 'fdt boardsetup' command
+ *
+ */
+int ft_board_setup(void *blob, struct bd_info *bd)
+{
+	static const struct node_info nodes[] = {
+		{ "physmap-flash.0", MTD_DEV_TYPE_NOR, },  /* NOR flash */
+		{ "mxc_nand", MTD_DEV_TYPE_NAND, }, /* NAND flash */
+	};
+
+	if (env_get("fdt_noauto")) {
+		puts("   Skiping ft_board_setup (fdt_noauto defined)\n");
+		return 0;
+	}
+
+	fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
+
+	return 0;
+}
diff --git a/roms/u-boot/board/CarMediaLab/flea3/lowlevel_init.S b/roms/u-boot/board/CarMediaLab/flea3/lowlevel_init.S
new file mode 100644
index 000000000..8186b3922
--- /dev/null
+++ b/roms/u-boot/board/CarMediaLab/flea3/lowlevel_init.S
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de>
+ *
+ * (C) Copyright 2008-2010 Freescale Semiconductor, Inc.
+ *
+ * Copyright (C) 2011, Stefano Babic <sbabic@denx.de>
+ */
+
+#include <config.h>
+#include <asm/arch/lowlevel_macro.S>
+
+.globl lowlevel_init
+lowlevel_init:
+
+	core_init
+
+	init_aips
+
+	init_max
+
+	init_m3if
+
+	mov pc, lr