summaryrefslogtreecommitdiff
path: root/board/freescale/mx6qarm2/mx6qarm2.c
diff options
context:
space:
mode:
authorWolfgang Denk <wd@denx.de>2011-12-10 22:46:48 +0100
committerWolfgang Denk <wd@denx.de>2011-12-10 22:46:48 +0100
commitb96a661aeadb1b68d1b589b47f99ce9d6b2769df (patch)
tree4df62e827b8d33686bbd6da9d08e96fd7314eef2 /board/freescale/mx6qarm2/mx6qarm2.c
parent84d018268a8af1d9f271b398748652c5112e951a (diff)
parent8ba1604d342076c29e375fa3196106eed1f84b2a (diff)
downloadu-boot-imx-b96a661aeadb1b68d1b589b47f99ce9d6b2769df.zip
u-boot-imx-b96a661aeadb1b68d1b589b47f99ce9d6b2769df.tar.gz
u-boot-imx-b96a661aeadb1b68d1b589b47f99ce9d6b2769df.tar.bz2
Merge branch 'master' of git://git.denx.de/u-boot-arm
* 'master' of git://git.denx.de/u-boot-arm: M28: Cleanup memsize.o OOT build i.MX28: Move SPL to arch/arm/cpu/arm926ejs/mx28 M28: Fix typo M28: Document that units has to be set to sectors on SD bootcard i.mx: i.mx6q: add the initial support for i.mx6q ARM2 board i.mx: mxc_gpio: add the i.mx6q support i.mx: add the initial support for freescale i.MX6Q processor i.mx: introduce the armv7/imx-common folder S5PC2XX: Rename S5pc2XX to exynos tegra2: Don't use board pointer before it is set up tegra2: Remove unneeded 'dynamic ram size' message tegra2: Remove unused low-level Tegra2 UART code tegra2: Remove unneeded config option tegra2: Remove unneeded boot code tegra2: Enable instruction cache arm: Move CP15 init out of cpu_init_crit() tegra2: Simplify tegra_start() boot path tegra2: Add arch_cpu_init() to fire up Cortex-A9 tegra2: Use new GPIO APIs in gpio_config_uart() tegra2: Add support for Ventana tegra2: Modify MMC driver to handle power and cd GPIOs tegra2: Move board_mmc_init into board files
Diffstat (limited to 'board/freescale/mx6qarm2/mx6qarm2.c')
-rw-r--r--board/freescale/mx6qarm2/mx6qarm2.c155
1 files changed, 155 insertions, 0 deletions
diff --git a/board/freescale/mx6qarm2/mx6qarm2.c b/board/freescale/mx6qarm2/mx6qarm2.c
new file mode 100644
index 0000000..89e0e76
--- /dev/null
+++ b/board/freescale/mx6qarm2/mx6qarm2.c
@@ -0,0 +1,155 @@
+/*
+ * Copyright (C) 2010-2011 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/mx6x_pins.h>
+#include <asm/arch/iomux-v3.h>
+#include <asm/errno.h>
+#include <asm/gpio.h>
+#include <mmc.h>
+#include <fsl_esdhc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
+ PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
+ PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
+
+#define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
+ PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | \
+ PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
+
+int dram_init(void)
+{
+ gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
+
+ return 0;
+}
+
+iomux_v3_cfg_t uart4_pads[] = {
+ MX6Q_PAD_KEY_COL0__UART4_TXD | MUX_PAD_CTRL(UART_PAD_CTRL),
+ MX6Q_PAD_KEY_ROW0__UART4_RXD | MUX_PAD_CTRL(UART_PAD_CTRL),
+};
+
+iomux_v3_cfg_t usdhc3_pads[] = {
+ MX6Q_PAD_SD3_CLK__USDHC3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6Q_PAD_SD3_CMD__USDHC3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6Q_PAD_SD3_DAT0__USDHC3_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6Q_PAD_SD3_DAT1__USDHC3_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6Q_PAD_SD3_DAT2__USDHC3_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6Q_PAD_SD3_DAT3__USDHC3_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6Q_PAD_SD3_DAT4__USDHC3_DAT4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6Q_PAD_SD3_DAT5__USDHC3_DAT5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6Q_PAD_SD3_DAT6__USDHC3_DAT6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6Q_PAD_SD3_DAT7__USDHC3_DAT7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6Q_PAD_NANDF_CS0__GPIO_6_11 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
+};
+
+iomux_v3_cfg_t usdhc4_pads[] = {
+ MX6Q_PAD_SD4_CLK__USDHC4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6Q_PAD_SD4_CMD__USDHC4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6Q_PAD_SD4_DAT0__USDHC4_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6Q_PAD_SD4_DAT1__USDHC4_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6Q_PAD_SD4_DAT2__USDHC4_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6Q_PAD_SD4_DAT3__USDHC4_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6Q_PAD_SD4_DAT4__USDHC4_DAT4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6Q_PAD_SD4_DAT5__USDHC4_DAT5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6Q_PAD_SD4_DAT6__USDHC4_DAT6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6Q_PAD_SD4_DAT7__USDHC4_DAT7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+};
+
+static void setup_iomux_uart(void)
+{
+ imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads));
+}
+
+#ifdef CONFIG_FSL_ESDHC
+struct fsl_esdhc_cfg usdhc_cfg[2] = {
+ {USDHC3_BASE_ADDR, 1},
+ {USDHC4_BASE_ADDR, 1},
+};
+
+int board_mmc_getcd(u8 *cd, struct mmc *mmc)
+{
+ struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
+
+ if (cfg->esdhc_base == USDHC3_BASE_ADDR) {
+ gpio_direction_input(171); /*GPIO6_11*/
+ *cd = gpio_get_value(171);
+ } else /* Don't have the CD GPIO pin on board */
+ *cd = 0;
+
+ return 0;
+}
+
+int board_mmc_init(bd_t *bis)
+{
+ s32 status = 0;
+ u32 index = 0;
+
+ for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) {
+ switch (index) {
+ case 0:
+ imx_iomux_v3_setup_multiple_pads(
+ usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
+ break;
+ case 1:
+ imx_iomux_v3_setup_multiple_pads(
+ usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
+ break;
+ default:
+ printf("Warning: you configured more USDHC controllers"
+ "(%d) then supported by the board (%d)\n",
+ index + 1, CONFIG_SYS_FSL_USDHC_NUM);
+ return status;
+ }
+
+ status |= fsl_esdhc_initialize(bis, &usdhc_cfg[index]);
+ }
+
+ return status;
+}
+#endif
+
+int board_early_init_f(void)
+{
+ setup_iomux_uart();
+
+ return 0;
+}
+
+int board_init(void)
+{
+ /* address of boot parameters */
+ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+ return 0;
+}
+
+int checkboard(void)
+{
+ puts("Board: MX6Q-Armadillo2\n");
+
+ return 0;
+}