MX53: Add support to ESG ima3 board

The ESG ima3-mx53 board is based on the Freescale
i.MX53 SOC. It boots from NOR (128 MB) and
supports Ethernet (FEC), SATA.

Signed-off-by: Stefano Babic <sbabic@denx.de>

1 files changed, 302 insertions, 0 deletions

diff --git a/board/esg/ima3-mx53/ima3-mx53.c b/board/esg/ima3-mx53/ima3-mx53.c
new file mode 100644
index 0000000000..9ecf31d7c2
--- /dev/null
+++ b/board/esg/ima3-mx53/ima3-mx53.c
@@ -0,0 +1,302 @@
+/*
+ * (C) Copyright 2012, Stefano Babic <sbabic@denx.de>
+ *
+ * (C) Copyright 2010 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc.
+ */
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/mx5x_pins.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/iomux.h>
+#include <asm/errno.h>
+#include <netdev.h>
+#include <mmc.h>
+#include <fsl_esdhc.h>
+#include <asm/gpio.h>
+
+/* NOR flash configuration */
+#define IMA3_MX53_CS0GCR1	(CSEN | DSZ(2))
+#define IMA3_MX53_CS0GCR2	0
+#define IMA3_MX53_CS0RCR1	(RCSN(2) | OEN(1) | RWSC(15))
+#define IMA3_MX53_CS0RCR2	0
+#define IMA3_MX53_CS0WCR1	(WBED1 | WCSN(2) | WEN(1) | WWSC(15))
+#define IMA3_MX53_CS0WCR2	0
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static void weim_nor_settings(void)
+{
+	struct weim *weim_regs = (struct weim *)WEIM_BASE_ADDR;
+
+	writel(IMA3_MX53_CS0GCR1, &weim_regs->cs0gcr1);
+	writel(IMA3_MX53_CS0GCR2, &weim_regs->cs0gcr2);
+	writel(IMA3_MX53_CS0RCR1, &weim_regs->cs0rcr1);
+	writel(IMA3_MX53_CS0RCR2, &weim_regs->cs0rcr2);
+	writel(IMA3_MX53_CS0WCR1, &weim_regs->cs0wcr1);
+	writel(IMA3_MX53_CS0WCR2, &weim_regs->cs0wcr2);
+	writel(0x0, &weim_regs->wcr);
+
+	set_chipselect_size(CS0_128);
+}
+
+int dram_init(void)
+{
+	gd->ram_size = get_ram_size((void *) CONFIG_SYS_SDRAM_BASE,
+			PHYS_SDRAM_1_SIZE);
+	return 0;
+}
+
+static void setup_iomux_uart(void)
+{
+	/* UART4 RXD */
+	mxc_request_iomux(MX53_PIN_CSI0_D13, IOMUX_CONFIG_ALT2);
+	mxc_iomux_set_pad(MX53_PIN_CSI0_D13,
+		PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
+		PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE |
+		PAD_CTL_100K_PU | PAD_CTL_ODE_OPENDRAIN_ENABLE);
+	mxc_iomux_set_input(MX53_UART4_IPP_UART_RXD_MUX_SELECT_INPUT, 0x3);
+
+	/* UART4 TXD */
+	mxc_request_iomux(MX53_PIN_CSI0_D12, IOMUX_CONFIG_ALT2);
+	mxc_iomux_set_pad(MX53_PIN_CSI0_D12,
+		PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
+		PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE |
+		PAD_CTL_100K_PU | PAD_CTL_ODE_OPENDRAIN_ENABLE);
+}
+
+static void setup_iomux_fec(void)
+{
+	/*FEC_MDIO*/
+	mxc_request_iomux(MX53_PIN_FEC_MDIO, IOMUX_CONFIG_ALT0);
+	mxc_iomux_set_pad(MX53_PIN_FEC_MDIO,
+		PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
+		PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | PAD_CTL_22K_PU |
+		PAD_CTL_ODE_OPENDRAIN_ENABLE);
+	mxc_iomux_set_input(MX53_FEC_FEC_MDI_SELECT_INPUT, 0x1);
+
+	/*FEC_MDC*/
+	mxc_request_iomux(MX53_PIN_FEC_MDC, IOMUX_CONFIG_ALT0);
+	mxc_iomux_set_pad(MX53_PIN_FEC_MDC, PAD_CTL_DRV_HIGH);
+
+	/* FEC RXD3 */
+	mxc_request_iomux(MX53_PIN_KEY_COL0, IOMUX_CONFIG_ALT6);
+	mxc_iomux_set_pad(MX53_PIN_KEY_COL0, PAD_CTL_HYS_ENABLE |
+		PAD_CTL_PKE_ENABLE);
+
+	/* FEC RXD2 */
+	mxc_request_iomux(MX53_PIN_KEY_COL2, IOMUX_CONFIG_ALT6);
+	mxc_iomux_set_pad(MX53_PIN_KEY_COL2, PAD_CTL_HYS_ENABLE |
+		PAD_CTL_PKE_ENABLE);
+
+	/* FEC RXD1 */
+	mxc_request_iomux(MX53_PIN_FEC_RXD1, IOMUX_CONFIG_ALT0);
+	mxc_iomux_set_pad(MX53_PIN_FEC_RXD1, PAD_CTL_HYS_ENABLE |
+		PAD_CTL_PKE_ENABLE);
+
+	/* FEC RXD0 */
+	mxc_request_iomux(MX53_PIN_FEC_RXD0, IOMUX_CONFIG_ALT0);
+	mxc_iomux_set_pad(MX53_PIN_FEC_RXD0, PAD_CTL_HYS_ENABLE |
+		PAD_CTL_PKE_ENABLE);
+
+	/* FEC TXD3 */
+	mxc_request_iomux(MX53_PIN_GPIO_19, IOMUX_CONFIG_ALT6);
+	mxc_iomux_set_pad(MX53_PIN_GPIO_19, PAD_CTL_DRV_HIGH);
+
+	/* FEC TXD2 */
+	mxc_request_iomux(MX53_PIN_KEY_ROW2, IOMUX_CONFIG_ALT6);
+	mxc_iomux_set_pad(MX53_PIN_KEY_ROW2, PAD_CTL_DRV_HIGH);
+
+	/* FEC TXD1 */
+	mxc_request_iomux(MX53_PIN_FEC_TXD1, IOMUX_CONFIG_ALT0);
+	mxc_iomux_set_pad(MX53_PIN_FEC_TXD1, PAD_CTL_DRV_HIGH);
+
+	/* FEC TXD0 */
+	mxc_request_iomux(MX53_PIN_FEC_TXD0, IOMUX_CONFIG_ALT0);
+	mxc_iomux_set_pad(MX53_PIN_FEC_TXD0, PAD_CTL_DRV_HIGH);
+
+	/* FEC TX_EN */
+	mxc_request_iomux(MX53_PIN_FEC_TX_EN, IOMUX_CONFIG_ALT0);
+	mxc_iomux_set_pad(MX53_PIN_FEC_TX_EN, PAD_CTL_DRV_HIGH);
+
+	/* FEC TX_CLK */
+	mxc_request_iomux(MX53_PIN_FEC_REF_CLK, IOMUX_CONFIG_ALT0);
+	mxc_iomux_set_pad(MX53_PIN_FEC_REF_CLK, PAD_CTL_HYS_ENABLE |
+		PAD_CTL_PKE_ENABLE);
+
+	/* FEC RX_ER */
+	mxc_request_iomux(MX53_PIN_FEC_RX_ER, IOMUX_CONFIG_ALT0);
+	mxc_iomux_set_pad(MX53_PIN_FEC_RX_ER, PAD_CTL_HYS_ENABLE |
+		PAD_CTL_PKE_ENABLE);
+
+	/* FEC RX_DV */
+	mxc_request_iomux(MX53_PIN_FEC_CRS_DV, IOMUX_CONFIG_ALT0);
+	mxc_iomux_set_pad(MX53_PIN_FEC_CRS_DV, PAD_CTL_HYS_ENABLE |
+		PAD_CTL_PKE_ENABLE);
+
+	/* FEC CRS */
+	mxc_request_iomux(MX53_PIN_KEY_COL3, IOMUX_CONFIG_ALT6);
+	mxc_iomux_set_pad(MX53_PIN_KEY_COL3, PAD_CTL_HYS_ENABLE |
+		PAD_CTL_PKE_ENABLE);
+
+	/* FEC COL */
+	mxc_request_iomux(MX53_PIN_KEY_ROW1, IOMUX_CONFIG_ALT6);
+	mxc_iomux_set_pad(MX53_PIN_KEY_ROW1, PAD_CTL_HYS_ENABLE |
+		PAD_CTL_PKE_ENABLE);
+	mxc_iomux_set_input(MX53_FEC_FEC_COL_SELECT_INPUT, 0x0);
+
+	/* FEC RX_CLK */
+	mxc_request_iomux(MX53_PIN_KEY_COL1, IOMUX_CONFIG_ALT6);
+	mxc_iomux_set_pad(MX53_PIN_KEY_COL1, PAD_CTL_HYS_ENABLE |
+		PAD_CTL_PKE_ENABLE);
+	mxc_iomux_set_input(MX53_FEC_FEC_RX_CLK_SELECT_INPUT, 0x0);
+}
+
+#ifdef CONFIG_FSL_ESDHC
+struct fsl_esdhc_cfg esdhc_cfg = { MMC_SDHC1_BASE_ADDR, 1 };
+
+int board_mmc_getcd(struct mmc *mmc)
+{
+	int ret;
+
+	ret = !gpio_get_value(IOMUX_TO_GPIO(MX53_PIN_GPIO_1));
+
+	return ret;
+}
+
+int board_mmc_init(bd_t *bis)
+{
+	mxc_request_iomux(MX53_PIN_SD1_CMD, IOMUX_CONFIG_ALT0);
+	mxc_request_iomux(MX53_PIN_SD1_CLK, IOMUX_CONFIG_ALT0);
+	mxc_request_iomux(MX53_PIN_SD1_DATA0, IOMUX_CONFIG_ALT0);
+	mxc_request_iomux(MX53_PIN_SD1_DATA1, IOMUX_CONFIG_ALT0);
+	mxc_request_iomux(MX53_PIN_SD1_DATA2, IOMUX_CONFIG_ALT0);
+	mxc_request_iomux(MX53_PIN_SD1_DATA3, IOMUX_CONFIG_ALT0);
+	mxc_request_iomux(MX53_PIN_GPIO_1, IOMUX_CONFIG_ALT1);
+	mxc_iomux_set_pad(MX53_PIN_GPIO_1,
+		PAD_CTL_DRV_HIGH | PAD_CTL_HYS_ENABLE |
+		PAD_CTL_PUE_KEEPER | PAD_CTL_100K_PU |
+		PAD_CTL_ODE_OPENDRAIN_NONE | PAD_CTL_PKE_ENABLE);
+	gpio_direction_input(IOMUX_TO_GPIO(MX53_PIN_GPIO_1));
+
+	mxc_iomux_set_pad(MX53_PIN_SD1_CMD,
+		PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_PUE_PULL |
+		PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU);
+	mxc_iomux_set_pad(MX53_PIN_SD1_CLK,
+		PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE |
+		PAD_CTL_47K_PU | PAD_CTL_DRV_HIGH);
+	mxc_iomux_set_pad(MX53_PIN_SD1_DATA0,
+		PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_PUE_PULL |
+		PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
+	mxc_iomux_set_pad(MX53_PIN_SD1_DATA1,
+		PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_PUE_PULL |
+		PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
+	mxc_iomux_set_pad(MX53_PIN_SD1_DATA2,
+		PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_PUE_PULL |
+		PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
+	mxc_iomux_set_pad(MX53_PIN_SD1_DATA3,
+		PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_PUE_PULL |
+		PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
+
+	return fsl_esdhc_initialize(bis, &esdhc_cfg);
+}
+#endif
+
+static void setup_iomux_spi(void)
+{
+	/* SCLK */
+	mxc_request_iomux(MX53_PIN_CSI0_D8, IOMUX_CONFIG_ALT3);
+	mxc_iomux_set_pad(MX53_PIN_CSI0_D8,
+		PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_PUE_PULL |
+		PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
+	mxc_iomux_set_input(MX53_ECSPI2_IPP_CSPI_CLK_IN_SELECT_INPUT, 0x1);
+	/* MOSI */
+	mxc_request_iomux(MX53_PIN_CSI0_D9, IOMUX_CONFIG_ALT3);
+	mxc_iomux_set_pad(MX53_PIN_CSI0_D9,
+		PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_PUE_PULL |
+		PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
+	mxc_iomux_set_input(MX53_ECSPI2_IPP_IND_MOSI_SELECT_INPUT, 0x1);
+	/* MISO */
+	mxc_request_iomux(MX53_PIN_CSI0_D10, IOMUX_CONFIG_ALT3);
+	mxc_iomux_set_pad(MX53_PIN_CSI0_D10,
+		PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_PUE_PULL |
+		PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
+	mxc_iomux_set_input(MX53_ECSPI2_IPP_IND_MISO_SELECT_INPUT, 0x1);
+	/* SSEL 0 */
+	mxc_request_iomux(MX53_PIN_CSI0_D11, IOMUX_CONFIG_GPIO);
+	mxc_iomux_set_pad(MX53_PIN_CSI0_D11,
+		PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_PUE_PULL |
+		PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
+	gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_CSI0_D11), 1);
+}
+
+int board_early_init_f(void)
+{
+	/* configure I/O pads */
+	setup_iomux_uart();
+	setup_iomux_fec();
+
+	weim_nor_settings();
+
+	/* configure spi */
+	setup_iomux_spi();
+
+	return 0;
+}
+
+int board_init(void)
+{
+	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
+
+	mxc_set_sata_internal_clock();
+
+	return 0;
+}
+
+#if defined(CONFIG_RESET_PHY_R)
+#include <miiphy.h>
+
+void reset_phy(void)
+{
+	unsigned short reg;
+
+	/* reset the phy */
+	miiphy_reset("FEC", CONFIG_PHY_ADDR);
+
+	/* set hard link to 100Mbit, full-duplex */
+	miiphy_read("FEC", CONFIG_PHY_ADDR, MII_BMCR, &reg);
+	reg &= ~BMCR_ANENABLE;
+	reg |= (BMCR_SPEED100 | BMCR_FULLDPLX);
+	miiphy_write("FEC", CONFIG_PHY_ADDR, MII_BMCR, reg);
+
+	miiphy_read("FEC", CONFIG_PHY_ADDR, 0x16, &reg);
+	reg |= (1 << 5);
+	miiphy_write("FEC", CONFIG_PHY_ADDR, 0x16, reg);
+}
+#endif
+
+int checkboard(void)
+{
+	puts("Board: IMA3_MX53\n");
+
+	return 0;
+}