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authorSoeren Moch <smoch@web.de>2014-11-03 13:57:01 +0100
committerStefano Babic <sbabic@denx.de>2014-11-13 18:09:23 +0100
commit05d492a3235df397da6200294ea2a802749372a8 (patch)
tree2ebe540b63a0e59cfa9b823f989dd7b824570cfc /board/tbs/tbs2910
parent3302c275b3b5e76f593bcb814216656a2fd3fa29 (diff)
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arm: mx6: add support for TBS2910 Matrix ARM miniPC
Add initial support for TBS2910 Matrix ARM miniPC. Support includes MMC, Ethernet, UARTs, HDMI, USB, SATA, PCI, I2C, RTC. Signed-off-by: Soeren Moch <smoch@web.de>
Diffstat (limited to 'board/tbs/tbs2910')
-rw-r--r--board/tbs/tbs2910/Kconfig23
-rw-r--r--board/tbs/tbs2910/MAINTAINERS6
-rw-r--r--board/tbs/tbs2910/Makefile7
-rw-r--r--board/tbs/tbs2910/tbs2910.c398
4 files changed, 434 insertions, 0 deletions
diff --git a/board/tbs/tbs2910/Kconfig b/board/tbs/tbs2910/Kconfig
new file mode 100644
index 0000000..c514e24
--- /dev/null
+++ b/board/tbs/tbs2910/Kconfig
@@ -0,0 +1,23 @@
+if TARGET_TBS2910
+
+config SYS_CPU
+ string
+ default "armv7"
+
+config SYS_BOARD
+ string
+ default "tbs2910"
+
+config SYS_VENDOR
+ string
+ default "tbs"
+
+config SYS_SOC
+ string
+ default "mx6"
+
+config SYS_CONFIG_NAME
+ string
+ default "tbs2910"
+
+endif
diff --git a/board/tbs/tbs2910/MAINTAINERS b/board/tbs/tbs2910/MAINTAINERS
new file mode 100644
index 0000000..bf17655
--- /dev/null
+++ b/board/tbs/tbs2910/MAINTAINERS
@@ -0,0 +1,6 @@
+TBS2910 BOARD
+M: Soeren Moch <smoch@web.de>
+S: Maintained
+F: board/tbs/tbs2910/
+F: configs/tbs2910_defconfig
+F: include/configs/tbs2910.h
diff --git a/board/tbs/tbs2910/Makefile b/board/tbs/tbs2910/Makefile
new file mode 100644
index 0000000..9d9eb87
--- /dev/null
+++ b/board/tbs/tbs2910/Makefile
@@ -0,0 +1,7 @@
+#
+# Copyright (C) 2014 Soeren Moch <smoch@web.de>
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-y := tbs2910.o
diff --git a/board/tbs/tbs2910/tbs2910.c b/board/tbs/tbs2910/tbs2910.c
new file mode 100644
index 0000000..daf8ff4
--- /dev/null
+++ b/board/tbs/tbs2910/tbs2910.c
@@ -0,0 +1,398 @@
+/*
+ * Copyright (C) 2014 Soeren Moch <smoch@web.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <asm/arch/clock.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/iomux.h>
+#include <asm/arch/mx6-pins.h>
+#include <asm/errno.h>
+#include <asm/gpio.h>
+#include <asm/imx-common/mxc_i2c.h>
+#include <asm/imx-common/iomux-v3.h>
+#include <asm/imx-common/sata.h>
+#include <asm/imx-common/boot_mode.h>
+#include <asm/imx-common/video.h>
+#include <mmc.h>
+#include <fsl_esdhc.h>
+#include <miiphy.h>
+#include <netdev.h>
+#include <asm/arch/mxc_hdmi.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/io.h>
+#include <asm/arch/sys_proto.h>
+#include <i2c.h>
+DECLARE_GLOBAL_DATA_PTR;
+
+#define WEAK_PULLUP (PAD_CTL_PUS_47K_UP | \
+ PAD_CTL_SPEED_LOW | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
+ PAD_CTL_SRE_SLOW)
+
+#define UART_PAD_CTRL (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_PUS_47K_UP | \
+ PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \
+ PAD_CTL_SRE_FAST | PAD_CTL_HYS)
+
+#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
+ PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
+
+#define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
+ PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
+ PAD_CTL_ODE | PAD_CTL_SRE_FAST)
+
+#define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL)
+
+#ifdef CONFIG_SYS_I2C
+/* I2C1, SGTL5000 */
+static struct i2c_pads_info i2c_pad_info0 = {
+ .scl = {
+ .i2c_mode = MX6_PAD_CSI0_DAT9__I2C1_SCL | I2C_PAD,
+ .gpio_mode = MX6_PAD_CSI0_DAT9__GPIO5_IO27 | I2C_PAD,
+ .gp = IMX_GPIO_NR(5, 27)
+ },
+ .sda = {
+ .i2c_mode = MX6_PAD_CSI0_DAT8__I2C1_SDA | I2C_PAD,
+ .gpio_mode = MX6_PAD_CSI0_DAT8__GPIO5_IO26 | I2C_PAD,
+ .gp = IMX_GPIO_NR(5, 26)
+ }
+};
+
+/* I2C2 HDMI */
+static struct i2c_pads_info i2c_pad_info1 = {
+ .scl = {
+ .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | I2C_PAD,
+ .gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD,
+ .gp = IMX_GPIO_NR(4, 12)
+ },
+ .sda = {
+ .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD,
+ .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD,
+ .gp = IMX_GPIO_NR(4, 13)
+ }
+};
+
+/* I2C3, CON11, DS1307, PCIe_SMB */
+static struct i2c_pads_info i2c_pad_info2 = {
+ .scl = {
+ .i2c_mode = MX6_PAD_GPIO_3__I2C3_SCL | I2C_PAD,
+ .gpio_mode = MX6_PAD_GPIO_3__GPIO1_IO03 | I2C_PAD,
+ .gp = IMX_GPIO_NR(1, 3)
+ },
+ .sda = {
+ .i2c_mode = MX6_PAD_GPIO_6__I2C3_SDA | I2C_PAD,
+ .gpio_mode = MX6_PAD_GPIO_6__GPIO1_IO06 | I2C_PAD,
+ .gp = IMX_GPIO_NR(1, 6)
+ }
+};
+#endif /* CONFIG_SYS_I2C */
+
+static iomux_v3_cfg_t const uart1_pads[] = {
+ MX6_PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
+ MX6_PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
+};
+
+static iomux_v3_cfg_t const uart2_pads[] = {
+ MX6_PAD_EIM_D26__UART2_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
+ MX6_PAD_EIM_D27__UART2_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
+};
+
+static iomux_v3_cfg_t const enet_pads[] = {
+ MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ /* AR8035 PHY Reset */
+ MX6_PAD_ENET_CRS_DV__GPIO1_IO25 | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+static iomux_v3_cfg_t const pcie_pads[] = {
+ /* W_DISABLE# */
+ MX6_PAD_KEY_COL4__GPIO4_IO14 | MUX_PAD_CTRL(WEAK_PULLUP),
+ /* PERST# */
+ MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+int dram_init(void)
+{
+ gd->ram_size = 2048ul * 1024 * 1024;
+ return 0;
+}
+
+static void setup_iomux_enet(void)
+{
+ imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
+
+ /* Reset AR8035 PHY */
+ gpio_direction_output(IMX_GPIO_NR(1, 25) , 0);
+ udelay(500);
+ gpio_set_value(IMX_GPIO_NR(1, 25), 1);
+}
+
+static void setup_pcie(void)
+{
+ imx_iomux_v3_setup_multiple_pads(pcie_pads, ARRAY_SIZE(pcie_pads));
+}
+
+static void setup_iomux_uart(void)
+{
+ imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
+ imx_iomux_v3_setup_multiple_pads(uart2_pads, ARRAY_SIZE(uart2_pads));
+}
+
+#ifdef CONFIG_FSL_ESDHC
+static iomux_v3_cfg_t const usdhc2_pads[] = {
+ MX6_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_NANDF_D2__GPIO2_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
+};
+
+static iomux_v3_cfg_t const usdhc3_pads[] = {
+ MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_NANDF_D0__GPIO2_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
+};
+
+static iomux_v3_cfg_t const usdhc4_pads[] = {
+ MX6_PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+};
+
+static struct fsl_esdhc_cfg usdhc_cfg[3] = {
+ {USDHC2_BASE_ADDR},
+ {USDHC3_BASE_ADDR},
+ {USDHC4_BASE_ADDR},
+};
+
+#define USDHC2_CD_GPIO IMX_GPIO_NR(2, 2)
+#define USDHC3_CD_GPIO IMX_GPIO_NR(2, 0)
+
+int board_mmc_getcd(struct mmc *mmc)
+{
+ struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
+ int ret = 0;
+
+ switch (cfg->esdhc_base) {
+ case USDHC2_BASE_ADDR:
+ ret = !gpio_get_value(USDHC2_CD_GPIO);
+ break;
+ case USDHC3_BASE_ADDR:
+ ret = !gpio_get_value(USDHC3_CD_GPIO);
+ break;
+ case USDHC4_BASE_ADDR:
+ ret = 1; /* eMMC/uSDHC4 is always present */
+ break;
+ }
+ return ret;
+}
+
+int board_mmc_init(bd_t *bis)
+{
+ s32 status = 0;
+ int i;
+
+ /*
+ * (U-boot device node) (Physical Port)
+ * mmc0 SD2
+ * mmc1 SD3
+ * mmc2 eMMC
+ */
+ for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
+ switch (i) {
+ case 0:
+ imx_iomux_v3_setup_multiple_pads(
+ usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
+ gpio_direction_input(USDHC2_CD_GPIO);
+ usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
+ break;
+ case 1:
+ imx_iomux_v3_setup_multiple_pads(
+ usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
+ gpio_direction_input(USDHC3_CD_GPIO);
+ usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
+ break;
+ case 2:
+ imx_iomux_v3_setup_multiple_pads(
+ usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
+ usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
+ break;
+ default:
+ printf("Warning: you configured more USDHC controllers"
+ "(%d) then supported by the board (%d)\n",
+ i + 1, CONFIG_SYS_FSL_USDHC_NUM);
+ return status;
+ }
+
+ status |= fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
+ }
+ return status;
+}
+#endif /* CONFIG_FSL_ESDHC */
+
+#ifdef CONFIG_VIDEO_IPUV3
+static void do_enable_hdmi(struct display_info_t const *dev)
+{
+ imx_enable_hdmi_phy();
+}
+
+struct display_info_t const displays[] = {{
+ .bus = -1,
+ .addr = 0,
+ .pixfmt = IPU_PIX_FMT_RGB24,
+ .detect = detect_hdmi,
+ .enable = do_enable_hdmi,
+ .mode = {
+ .name = "HDMI",
+ /* 1024x768@60Hz (VESA)*/
+ .refresh = 60,
+ .xres = 1024,
+ .yres = 768,
+ .pixclock = 15384,
+ .left_margin = 160,
+ .right_margin = 24,
+ .upper_margin = 29,
+ .lower_margin = 3,
+ .hsync_len = 136,
+ .vsync_len = 6,
+ .sync = FB_SYNC_EXT,
+ .vmode = FB_VMODE_NONINTERLACED
+} } };
+size_t display_count = ARRAY_SIZE(displays);
+
+static void setup_display(void)
+{
+ struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
+ int reg;
+ s32 timeout = 100000;
+
+ enable_ipu_clock();
+ imx_setup_hdmi();
+
+ /* set video pll to 455MHz (24MHz * (37+11/12) / 2) */
+ reg = readl(&ccm->analog_pll_video);
+ reg |= BM_ANADIG_PLL_VIDEO_POWERDOWN;
+ writel(reg, &ccm->analog_pll_video);
+
+ reg &= ~BM_ANADIG_PLL_VIDEO_DIV_SELECT;
+ reg |= BF_ANADIG_PLL_VIDEO_DIV_SELECT(37);
+ reg &= ~BM_ANADIG_PLL_VIDEO_POST_DIV_SELECT;
+ reg |= BF_ANADIG_PLL_VIDEO_POST_DIV_SELECT(1);
+ writel(reg, &ccm->analog_pll_video);
+
+ writel(BF_ANADIG_PLL_VIDEO_NUM_A(11), &ccm->analog_pll_video_num);
+ writel(BF_ANADIG_PLL_VIDEO_DENOM_B(12), &ccm->analog_pll_video_denom);
+
+ reg &= ~BM_ANADIG_PLL_VIDEO_POWERDOWN;
+ writel(reg, &ccm->analog_pll_video);
+
+ while (timeout--)
+ if (readl(&ccm->analog_pll_video) & BM_ANADIG_PLL_VIDEO_LOCK)
+ break;
+ if (timeout < 0)
+ printf("Warning: video pll lock timeout!\n");
+
+ reg = readl(&ccm->analog_pll_video);
+ reg |= BM_ANADIG_PLL_VIDEO_ENABLE;
+ reg &= ~BM_ANADIG_PLL_VIDEO_BYPASS;
+ writel(reg, &ccm->analog_pll_video);
+
+ /* select video pll for ldb_di0_clk */
+ reg = readl(&ccm->cs2cdr);
+ reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK);
+ writel(reg, &ccm->cs2cdr);
+
+ /* select ldb_di0_clk / 7 for ldb_di0_ipu_clk */
+ reg = readl(&ccm->cscmr2);
+ reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV;
+ writel(reg, &ccm->cscmr2);
+
+ /* select ldb_di0_ipu_clk for ipu1_di0_clk -> 65MHz pixclock */
+ reg = readl(&ccm->chsccdr);
+ reg |= (CHSCCDR_CLK_SEL_LDB_DI0
+ << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
+ writel(reg, &ccm->chsccdr);
+}
+#endif /* CONFIG_VIDEO_IPUV3 */
+
+int board_eth_init(bd_t *bis)
+{
+ setup_iomux_enet();
+ setup_pcie();
+ return cpu_eth_init(bis);
+}
+
+int board_early_init_f(void)
+{
+ setup_iomux_uart();
+ return 0;
+}
+
+#ifdef CONFIG_CMD_BMODE
+static const struct boot_mode board_boot_modes[] = {
+ /* 4 bit bus width */
+ {"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
+ {"sd3", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
+ /* 8 bit bus width */
+ {"emmc", MAKE_CFGVAL(0x40, 0x38, 0x00, 0x00)},
+ {NULL, 0},
+};
+#endif
+
+int board_init(void)
+{
+ /* address of boot parameters */
+ gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+
+#ifdef CONFIG_VIDEO_IPUV3
+ setup_display();
+#endif
+#ifdef CONFIG_SYS_I2C
+ setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info0);
+ setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
+ setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
+#endif
+#ifdef CONFIG_DWC_AHSATA
+ setup_sata();
+#endif
+#ifdef CONFIG_CMD_BMODE
+ add_board_boot_modes(board_boot_modes);
+#endif
+ return 0;
+}
+
+int checkboard(void)
+{
+ puts("Board: TBS2910 Matrix ARM mini PC\n");
+ return 0;
+}