From 871ec6da42a52d24f700c708d90b194c83a06a9a Mon Sep 17 00:00:00 2001 From: Jagan Teki Date: Tue, 13 Dec 2016 17:56:58 +0100 Subject: arm: imx6q: Add Engicam i.CoreM6 Quad/Dual RQS Starter Kit initial support Boot from MMC: ------------- U-Boot SPL 2016.11-rc2-g217bd8e-dirty (Nov 08 2016 - 22:59:44) Trying to boot from MMC1 U-Boot 2016.11-rc2-g217bd8e-dirty (Nov 08 2016 - 22:59:44 +0530) CPU: Freescale i.MX6D rev1.2 at 792 MHz Reset cause: POR Model: Engicam i.CoreM6 Quad/Dual RQS Starter Kit DRAM: 512 MiB MMC: FSL_SDHC: 0 *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: CPU Net Initialization Failed No ethernet found. Hit any key to stop autoboot: 0 icorem6qdl-rqs> Cc: Stefano Babic Cc: Matteo Lisi Cc: Michael Trimarchi Signed-off-by: Jagan Teki --- board/engicam/icorem6_rqs/Kconfig | 12 + board/engicam/icorem6_rqs/MAINTAINERS | 6 + board/engicam/icorem6_rqs/Makefile | 6 + board/engicam/icorem6_rqs/README | 30 +++ board/engicam/icorem6_rqs/icorem6_rqs.c | 399 ++++++++++++++++++++++++++++++++ 5 files changed, 453 insertions(+) create mode 100644 board/engicam/icorem6_rqs/Kconfig create mode 100644 board/engicam/icorem6_rqs/MAINTAINERS create mode 100644 board/engicam/icorem6_rqs/Makefile create mode 100644 board/engicam/icorem6_rqs/README create mode 100644 board/engicam/icorem6_rqs/icorem6_rqs.c (limited to 'board') diff --git a/board/engicam/icorem6_rqs/Kconfig b/board/engicam/icorem6_rqs/Kconfig new file mode 100644 index 0000000..1352c68 --- /dev/null +++ b/board/engicam/icorem6_rqs/Kconfig @@ -0,0 +1,12 @@ +if TARGET_MX6Q_ICORE_RQS + +config SYS_BOARD + default "icorem6_rqs" + +config SYS_VENDOR + default "engicam" + +config SYS_CONFIG_NAME + default "imx6qdl_icore_rqs" + +endif diff --git a/board/engicam/icorem6_rqs/MAINTAINERS b/board/engicam/icorem6_rqs/MAINTAINERS new file mode 100644 index 0000000..4c6bd62 --- /dev/null +++ b/board/engicam/icorem6_rqs/MAINTAINERS @@ -0,0 +1,6 @@ +ICOREM6QDL_RQS BOARD +M: Jagan Teki +S: Maintained +F: board/engicam/icorem6_rqs +F: include/configs/imx6qdl_icore_rqs.h +F: configs/imx6q_icore_rqs_mmc_defconfig diff --git a/board/engicam/icorem6_rqs/Makefile b/board/engicam/icorem6_rqs/Makefile new file mode 100644 index 0000000..2e3933c --- /dev/null +++ b/board/engicam/icorem6_rqs/Makefile @@ -0,0 +1,6 @@ +# Copyright (C) 2016 Amarula Solutions B.V. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y := icorem6_rqs.o diff --git a/board/engicam/icorem6_rqs/README b/board/engicam/icorem6_rqs/README new file mode 100644 index 0000000..f94e6e1 --- /dev/null +++ b/board/engicam/icorem6_rqs/README @@ -0,0 +1,30 @@ +How to use U-Boot on Engicam i.CoreM6 RQS Quad/Dual Starter Kit: +---------------------------------------------------------------- + +$ make mrproper + +- Configure U-Boot for Engicam i.CoreM6 RQS Quad/Dual: +$ make imx6q_icore_rqs_mmc_defconfig + +- Build U-Boot +$ make + +This will generate the SPL image called SPL and the u-boot-dtb.img. + +- Flash the SPL image into the micro SD card: + +sudo dd if=SPL of=/dev/mmcblk0 bs=1k seek=1; sync + +- Flash the u-boot-dtb.img image into the micro SD card: + +sudo dd if=u-boot-dtb.img of=/dev/mmcblk0 bs=1k seek=69; sync + +- Jumper settings: + +MMC Boot: JM3 Closed + +- Connect the Serial cable between the Starter Kit and the PC for the console. +(J28 is the Linux Serial console connector) + +- Insert the micro SD card in the board, power it up and U-Boot messages should +come up. diff --git a/board/engicam/icorem6_rqs/icorem6_rqs.c b/board/engicam/icorem6_rqs/icorem6_rqs.c new file mode 100644 index 0000000..2769177 --- /dev/null +++ b/board/engicam/icorem6_rqs/icorem6_rqs.c @@ -0,0 +1,399 @@ +/* + * Copyright (C) 2016 Amarula Solutions B.V. + * Copyright (C) 2016 Engicam S.r.l. + * Author: Jagan Teki + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include + +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +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) + +static iomux_v3_cfg_t const uart4_pads[] = { + IOMUX_PADS(PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)), + IOMUX_PADS(PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)), +}; + +int board_early_init_f(void) +{ + SETUP_IOMUX_PADS(uart4_pads); + + return 0; +} + +int board_init(void) +{ + /* Address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + + return 0; +} + +int dram_init(void) +{ + gd->ram_size = imx_ddr_size(); + + return 0; +} + +#ifdef CONFIG_SPL_BUILD +#include +#include + +#include +#include + +/* MMC board initialization is needed till adding DM support in SPL */ +#if defined(CONFIG_FSL_ESDHC) && !defined(CONFIG_DM_MMC) +#include +#include + +#define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_HIGH | \ + PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) + +static iomux_v3_cfg_t const usdhc3_pads[] = { + IOMUX_PADS(PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), + IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), +}; + +struct fsl_esdhc_cfg usdhc_cfg[1] = { + {USDHC3_BASE_ADDR, 1, 4}, +}; + +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 USDHC3_BASE_ADDR: + ret = 1; + break; + } + + return ret; +} + +int board_mmc_init(bd_t *bis) +{ + int i, ret; + + /* + * According to the board_mmc_init() the following map is done: + * (U-boot device node) (Physical Port) + * mmc0 USDHC3 + */ + for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) { + switch (i) { + case 0: + SETUP_IOMUX_PADS(usdhc3_pads); + usdhc_cfg[i].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); + break; + default: + printf("Warning - USDHC%d controller not supporting\n", + i + 1); + return 0; + } + + ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]); + if (ret) { + printf("Warning: failed to initialize mmc dev %d\n", i); + return ret; + } + } + + return 0; +} +#endif + +/* + * Driving strength: + * 0x30 == 40 Ohm + * 0x28 == 48 Ohm + */ + +#define IMX6DQ_DRIVE_STRENGTH 0x30 +#define IMX6SDL_DRIVE_STRENGTH 0x28 + +/* configure MX6Q/DUAL mmdc DDR io registers */ +static struct mx6dq_iomux_ddr_regs mx6dq_ddr_ioregs = { + .dram_sdqs0 = 0x28, + .dram_sdqs1 = 0x28, + .dram_sdqs2 = 0x28, + .dram_sdqs3 = 0x28, + .dram_sdqs4 = 0x28, + .dram_sdqs5 = 0x28, + .dram_sdqs6 = 0x28, + .dram_sdqs7 = 0x28, + .dram_dqm0 = 0x28, + .dram_dqm1 = 0x28, + .dram_dqm2 = 0x28, + .dram_dqm3 = 0x28, + .dram_dqm4 = 0x28, + .dram_dqm5 = 0x28, + .dram_dqm6 = 0x28, + .dram_dqm7 = 0x28, + .dram_cas = 0x30, + .dram_ras = 0x30, + .dram_sdclk_0 = 0x30, + .dram_sdclk_1 = 0x30, + .dram_reset = 0x30, + .dram_sdcke0 = 0x3000, + .dram_sdcke1 = 0x3000, + .dram_sdba2 = 0x00000000, + .dram_sdodt0 = 0x30, + .dram_sdodt1 = 0x30, +}; + +/* configure MX6Q/DUAL mmdc GRP io registers */ +static struct mx6dq_iomux_grp_regs mx6dq_grp_ioregs = { + .grp_b0ds = 0x30, + .grp_b1ds = 0x30, + .grp_b2ds = 0x30, + .grp_b3ds = 0x30, + .grp_b4ds = 0x30, + .grp_b5ds = 0x30, + .grp_b6ds = 0x30, + .grp_b7ds = 0x30, + .grp_addds = 0x30, + .grp_ddrmode_ctl = 0x00020000, + .grp_ddrpke = 0x00000000, + .grp_ddrmode = 0x00020000, + .grp_ctlds = 0x30, + .grp_ddr_type = 0x000c0000, +}; + +/* configure MX6SOLO/DUALLITE mmdc DDR io registers */ +struct mx6sdl_iomux_ddr_regs mx6sdl_ddr_ioregs = { + .dram_sdclk_0 = 0x30, + .dram_sdclk_1 = 0x30, + .dram_cas = 0x30, + .dram_ras = 0x30, + .dram_reset = 0x30, + .dram_sdcke0 = 0x30, + .dram_sdcke1 = 0x30, + .dram_sdba2 = 0x00000000, + .dram_sdodt0 = 0x30, + .dram_sdodt1 = 0x30, + .dram_sdqs0 = 0x28, + .dram_sdqs1 = 0x28, + .dram_sdqs2 = 0x28, + .dram_sdqs3 = 0x28, + .dram_sdqs4 = 0x28, + .dram_sdqs5 = 0x28, + .dram_sdqs6 = 0x28, + .dram_sdqs7 = 0x28, + .dram_dqm0 = 0x28, + .dram_dqm1 = 0x28, + .dram_dqm2 = 0x28, + .dram_dqm3 = 0x28, + .dram_dqm4 = 0x28, + .dram_dqm5 = 0x28, + .dram_dqm6 = 0x28, + .dram_dqm7 = 0x28, +}; + +/* configure MX6SOLO/DUALLITE mmdc GRP io registers */ +struct mx6sdl_iomux_grp_regs mx6sdl_grp_ioregs = { + .grp_ddr_type = 0x000c0000, + .grp_ddrmode_ctl = 0x00020000, + .grp_ddrpke = 0x00000000, + .grp_addds = 0x30, + .grp_ctlds = 0x30, + .grp_ddrmode = 0x00020000, + .grp_b0ds = 0x28, + .grp_b1ds = 0x28, + .grp_b2ds = 0x28, + .grp_b3ds = 0x28, + .grp_b4ds = 0x28, + .grp_b5ds = 0x28, + .grp_b6ds = 0x28, + .grp_b7ds = 0x28, +}; + +/* mt41j256 */ +static struct mx6_ddr3_cfg mt41j256 = { + .mem_speed = 1066, + .density = 2, + .width = 16, + .banks = 8, + .rowaddr = 13, + .coladdr = 10, + .pagesz = 2, + .trcd = 1375, + .trcmin = 4875, + .trasmin = 3500, + .SRT = 0, +}; + +static struct mx6_mmdc_calibration mx6dq_mmdc_calib = { + .p0_mpwldectrl0 = 0x000E0009, + .p0_mpwldectrl1 = 0x0018000E, + .p1_mpwldectrl0 = 0x00000007, + .p1_mpwldectrl1 = 0x00000000, + .p0_mpdgctrl0 = 0x43280334, + .p0_mpdgctrl1 = 0x031C0314, + .p1_mpdgctrl0 = 0x4318031C, + .p1_mpdgctrl1 = 0x030C0258, + .p0_mprddlctl = 0x3E343A40, + .p1_mprddlctl = 0x383C3844, + .p0_mpwrdlctl = 0x40404440, + .p1_mpwrdlctl = 0x4C3E4446, +}; + +/* DDR 64bit */ +static struct mx6_ddr_sysinfo mem_q = { + .ddr_type = DDR_TYPE_DDR3, + .dsize = 2, + .cs1_mirror = 0, + /* config for full 4GB range so that get_mem_size() works */ + .cs_density = 32, + .ncs = 1, + .bi_on = 1, + .rtt_nom = 2, + .rtt_wr = 2, + .ralat = 5, + .walat = 0, + .mif3_mode = 3, + .rst_to_cke = 0x23, + .sde_to_rst = 0x10, +}; + +static struct mx6_mmdc_calibration mx6dl_mmdc_calib = { + .p0_mpwldectrl0 = 0x001F0024, + .p0_mpwldectrl1 = 0x00110018, + .p1_mpwldectrl0 = 0x001F0024, + .p1_mpwldectrl1 = 0x00110018, + .p0_mpdgctrl0 = 0x4230022C, + .p0_mpdgctrl1 = 0x02180220, + .p1_mpdgctrl0 = 0x42440248, + .p1_mpdgctrl1 = 0x02300238, + .p0_mprddlctl = 0x44444A48, + .p1_mprddlctl = 0x46484A42, + .p0_mpwrdlctl = 0x38383234, + .p1_mpwrdlctl = 0x3C34362E, +}; + +/* DDR 64bit 1GB */ +static struct mx6_ddr_sysinfo mem_dl = { + .dsize = 2, + .cs1_mirror = 0, + /* config for full 4GB range so that get_mem_size() works */ + .cs_density = 32, + .ncs = 1, + .bi_on = 1, + .rtt_nom = 1, + .rtt_wr = 1, + .ralat = 5, + .walat = 0, + .mif3_mode = 3, + .rst_to_cke = 0x23, + .sde_to_rst = 0x10, +}; + +/* DDR 32bit 512MB */ +static struct mx6_ddr_sysinfo mem_s = { + .dsize = 1, + .cs1_mirror = 0, + /* config for full 4GB range so that get_mem_size() works */ + .cs_density = 32, + .ncs = 1, + .bi_on = 1, + .rtt_nom = 1, + .rtt_wr = 1, + .ralat = 5, + .walat = 0, + .mif3_mode = 3, + .rst_to_cke = 0x23, + .sde_to_rst = 0x10, +}; + +static void ccgr_init(void) +{ + struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; + + writel(0x00003F3F, &ccm->CCGR0); + writel(0x0030FC00, &ccm->CCGR1); + writel(0x000FC000, &ccm->CCGR2); + writel(0x3F300000, &ccm->CCGR3); + writel(0xFF00F300, &ccm->CCGR4); + writel(0x0F0000C3, &ccm->CCGR5); + writel(0x000003CC, &ccm->CCGR6); +} + +static void gpr_init(void) +{ + struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; + + /* enable AXI cache for VDOA/VPU/IPU */ + writel(0xF00000CF, &iomux->gpr[4]); + /* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */ + writel(0x007F007F, &iomux->gpr[6]); + writel(0x007F007F, &iomux->gpr[7]); +} + +static void spl_dram_init(void) +{ + if (is_mx6solo()) { + mx6sdl_dram_iocfg(32, &mx6sdl_ddr_ioregs, &mx6sdl_grp_ioregs); + mx6_dram_cfg(&mem_s, &mx6dl_mmdc_calib, &mt41j256); + } else if (is_mx6dl()) { + mx6sdl_dram_iocfg(64, &mx6sdl_ddr_ioregs, &mx6sdl_grp_ioregs); + mx6_dram_cfg(&mem_dl, &mx6dl_mmdc_calib, &mt41j256); + } else if (is_mx6dq()) { + mx6dq_dram_iocfg(64, &mx6dq_ddr_ioregs, &mx6dq_grp_ioregs); + mx6_dram_cfg(&mem_q, &mx6dq_mmdc_calib, &mt41j256); + } + + udelay(100); +} + +void board_init_f(ulong dummy) +{ + ccgr_init(); + + /* setup AIPS and disable watchdog */ + arch_cpu_init(); + + gpr_init(); + + /* iomux */ + board_early_init_f(); + + /* setup GP timer */ + timer_init(); + + /* UART clocks enabled and gd valid - init serial console */ + preloader_console_init(); + + /* DDR initialization */ + spl_dram_init(); + + /* Clear the BSS. */ + memset(__bss_start, 0, __bss_end - __bss_start); + + /* load/boot image from boot device */ + board_init_r(NULL, 0); +} +#endif -- cgit v1.1