| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright (C) 2014 Wandboard |
| * Author: Tungyi Lin <tungyilin1127@gmail.com> |
| * Richard Hu <hakahu@gmail.com> |
| */ |
| |
| #include <image.h> |
| #include <init.h> |
| #include <asm/arch/clock.h> |
| #include <asm/arch/imx-regs.h> |
| #include <asm/arch/iomux.h> |
| #include <asm/arch/mx6-pins.h> |
| #include <errno.h> |
| #include <asm/gpio.h> |
| #include <asm/mach-imx/iomux-v3.h> |
| #include <asm/mach-imx/video.h> |
| #include <mmc.h> |
| #include <fsl_esdhc_imx.h> |
| #include <asm/arch/crm_regs.h> |
| #include <asm/io.h> |
| #include <asm/arch/sys_proto.h> |
| #include <serial.h> |
| #include <spl.h> |
| |
| #include <asm/arch/mx6-ddr.h> |
| /* |
| * 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_sdclk_0 = IMX6DQ_DRIVE_STRENGTH, |
| .dram_sdclk_1 = IMX6DQ_DRIVE_STRENGTH, |
| .dram_cas = IMX6DQ_DRIVE_STRENGTH, |
| .dram_ras = IMX6DQ_DRIVE_STRENGTH, |
| .dram_reset = IMX6DQ_DRIVE_STRENGTH, |
| .dram_sdcke0 = IMX6DQ_DRIVE_STRENGTH, |
| .dram_sdcke1 = IMX6DQ_DRIVE_STRENGTH, |
| .dram_sdba2 = 0x00000000, |
| .dram_sdodt0 = IMX6DQ_DRIVE_STRENGTH, |
| .dram_sdodt1 = IMX6DQ_DRIVE_STRENGTH, |
| .dram_sdqs0 = IMX6DQ_DRIVE_STRENGTH, |
| .dram_sdqs1 = IMX6DQ_DRIVE_STRENGTH, |
| .dram_sdqs2 = IMX6DQ_DRIVE_STRENGTH, |
| .dram_sdqs3 = IMX6DQ_DRIVE_STRENGTH, |
| .dram_sdqs4 = IMX6DQ_DRIVE_STRENGTH, |
| .dram_sdqs5 = IMX6DQ_DRIVE_STRENGTH, |
| .dram_sdqs6 = IMX6DQ_DRIVE_STRENGTH, |
| .dram_sdqs7 = IMX6DQ_DRIVE_STRENGTH, |
| .dram_dqm0 = IMX6DQ_DRIVE_STRENGTH, |
| .dram_dqm1 = IMX6DQ_DRIVE_STRENGTH, |
| .dram_dqm2 = IMX6DQ_DRIVE_STRENGTH, |
| .dram_dqm3 = IMX6DQ_DRIVE_STRENGTH, |
| .dram_dqm4 = IMX6DQ_DRIVE_STRENGTH, |
| .dram_dqm5 = IMX6DQ_DRIVE_STRENGTH, |
| .dram_dqm6 = IMX6DQ_DRIVE_STRENGTH, |
| .dram_dqm7 = IMX6DQ_DRIVE_STRENGTH, |
| }; |
| |
| /* configure MX6Q/DUAL mmdc GRP io registers */ |
| static struct mx6dq_iomux_grp_regs mx6dq_grp_ioregs = { |
| .grp_ddr_type = 0x000c0000, |
| .grp_ddrmode_ctl = 0x00020000, |
| .grp_ddrpke = 0x00000000, |
| .grp_addds = IMX6DQ_DRIVE_STRENGTH, |
| .grp_ctlds = IMX6DQ_DRIVE_STRENGTH, |
| .grp_ddrmode = 0x00020000, |
| .grp_b0ds = IMX6DQ_DRIVE_STRENGTH, |
| .grp_b1ds = IMX6DQ_DRIVE_STRENGTH, |
| .grp_b2ds = IMX6DQ_DRIVE_STRENGTH, |
| .grp_b3ds = IMX6DQ_DRIVE_STRENGTH, |
| .grp_b4ds = IMX6DQ_DRIVE_STRENGTH, |
| .grp_b5ds = IMX6DQ_DRIVE_STRENGTH, |
| .grp_b6ds = IMX6DQ_DRIVE_STRENGTH, |
| .grp_b7ds = IMX6DQ_DRIVE_STRENGTH, |
| }; |
| |
| /* configure MX6SOLO/DUALLITE mmdc DDR io registers */ |
| struct mx6sdl_iomux_ddr_regs mx6sdl_ddr_ioregs = { |
| .dram_sdclk_0 = IMX6SDL_DRIVE_STRENGTH, |
| .dram_sdclk_1 = IMX6SDL_DRIVE_STRENGTH, |
| .dram_cas = IMX6SDL_DRIVE_STRENGTH, |
| .dram_ras = IMX6SDL_DRIVE_STRENGTH, |
| .dram_reset = IMX6SDL_DRIVE_STRENGTH, |
| .dram_sdcke0 = IMX6SDL_DRIVE_STRENGTH, |
| .dram_sdcke1 = IMX6SDL_DRIVE_STRENGTH, |
| .dram_sdba2 = 0x00000000, |
| .dram_sdodt0 = IMX6SDL_DRIVE_STRENGTH, |
| .dram_sdodt1 = IMX6SDL_DRIVE_STRENGTH, |
| .dram_sdqs0 = IMX6SDL_DRIVE_STRENGTH, |
| .dram_sdqs1 = IMX6SDL_DRIVE_STRENGTH, |
| .dram_sdqs2 = IMX6SDL_DRIVE_STRENGTH, |
| .dram_sdqs3 = IMX6SDL_DRIVE_STRENGTH, |
| .dram_sdqs4 = IMX6SDL_DRIVE_STRENGTH, |
| .dram_sdqs5 = IMX6SDL_DRIVE_STRENGTH, |
| .dram_sdqs6 = IMX6SDL_DRIVE_STRENGTH, |
| .dram_sdqs7 = IMX6SDL_DRIVE_STRENGTH, |
| .dram_dqm0 = IMX6SDL_DRIVE_STRENGTH, |
| .dram_dqm1 = IMX6SDL_DRIVE_STRENGTH, |
| .dram_dqm2 = IMX6SDL_DRIVE_STRENGTH, |
| .dram_dqm3 = IMX6SDL_DRIVE_STRENGTH, |
| .dram_dqm4 = IMX6SDL_DRIVE_STRENGTH, |
| .dram_dqm5 = IMX6SDL_DRIVE_STRENGTH, |
| .dram_dqm6 = IMX6SDL_DRIVE_STRENGTH, |
| .dram_dqm7 = IMX6SDL_DRIVE_STRENGTH, |
| }; |
| |
| /* 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 = IMX6SDL_DRIVE_STRENGTH, |
| .grp_ctlds = IMX6SDL_DRIVE_STRENGTH, |
| .grp_ddrmode = 0x00020000, |
| .grp_b0ds = IMX6SDL_DRIVE_STRENGTH, |
| .grp_b1ds = IMX6SDL_DRIVE_STRENGTH, |
| .grp_b2ds = IMX6SDL_DRIVE_STRENGTH, |
| .grp_b3ds = IMX6SDL_DRIVE_STRENGTH, |
| .grp_b4ds = IMX6SDL_DRIVE_STRENGTH, |
| .grp_b5ds = IMX6SDL_DRIVE_STRENGTH, |
| .grp_b6ds = IMX6SDL_DRIVE_STRENGTH, |
| .grp_b7ds = IMX6SDL_DRIVE_STRENGTH, |
| }; |
| |
| /* H5T04G63AFR-PB */ |
| static struct mx6_ddr3_cfg h5t04g63afr = { |
| .mem_speed = 1600, |
| .density = 4, |
| .width = 16, |
| .banks = 8, |
| .rowaddr = 15, |
| .coladdr = 10, |
| .pagesz = 2, |
| .trcd = 1375, |
| .trcmin = 4875, |
| .trasmin = 3500, |
| }; |
| |
| /* H5TQ2G63DFR-H9 */ |
| static struct mx6_ddr3_cfg h5tq2g63dfr = { |
| .mem_speed = 1333, |
| .density = 2, |
| .width = 16, |
| .banks = 8, |
| .rowaddr = 14, |
| .coladdr = 10, |
| .pagesz = 2, |
| .trcd = 1350, |
| .trcmin = 4950, |
| .trasmin = 3600, |
| }; |
| |
| static struct mx6_mmdc_calibration mx6q_2g_mmdc_calib = { |
| .p0_mpwldectrl0 = 0x001f001f, |
| .p0_mpwldectrl1 = 0x001f001f, |
| .p1_mpwldectrl0 = 0x001f001f, |
| .p1_mpwldectrl1 = 0x001f001f, |
| .p0_mpdgctrl0 = 0x4301030d, |
| .p0_mpdgctrl1 = 0x03020277, |
| .p1_mpdgctrl0 = 0x4300030a, |
| .p1_mpdgctrl1 = 0x02780248, |
| .p0_mprddlctl = 0x4536393b, |
| .p1_mprddlctl = 0x36353441, |
| .p0_mpwrdlctl = 0x41414743, |
| .p1_mpwrdlctl = 0x462f453f, |
| }; |
| |
| /* DDR 64bit 2GB */ |
| static struct mx6_ddr_sysinfo mem_q = { |
| .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 = 0, |
| .ralat = 5, |
| .walat = 0, |
| .mif3_mode = 3, |
| .rst_to_cke = 0x23, |
| .sde_to_rst = 0x10, |
| }; |
| |
| static struct mx6_mmdc_calibration mx6dl_1g_mmdc_calib = { |
| .p0_mpwldectrl0 = 0x001f001f, |
| .p0_mpwldectrl1 = 0x001f001f, |
| .p1_mpwldectrl0 = 0x001f001f, |
| .p1_mpwldectrl1 = 0x001f001f, |
| .p0_mpdgctrl0 = 0x420e020e, |
| .p0_mpdgctrl1 = 0x02000200, |
| .p1_mpdgctrl0 = 0x42020202, |
| .p1_mpdgctrl1 = 0x01720172, |
| .p0_mprddlctl = 0x494c4f4c, |
| .p1_mprddlctl = 0x4a4c4c49, |
| .p0_mpwrdlctl = 0x3f3f3133, |
| .p1_mpwrdlctl = 0x39373f2e, |
| }; |
| |
| static struct mx6_mmdc_calibration mx6s_512m_mmdc_calib = { |
| .p0_mpwldectrl0 = 0x0040003c, |
| .p0_mpwldectrl1 = 0x0032003e, |
| .p0_mpdgctrl0 = 0x42350231, |
| .p0_mpdgctrl1 = 0x021a0218, |
| .p0_mprddlctl = 0x4b4b4e49, |
| .p0_mpwrdlctl = 0x3f3f3035, |
| }; |
| |
| /* 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 = 0, |
| .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 = 0, |
| .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(0x00C03F3F, &ccm->CCGR0); |
| writel(0x0030FC03, &ccm->CCGR1); |
| writel(0x0FFFC000, &ccm->CCGR2); |
| writel(0x3FF00000, &ccm->CCGR3); |
| writel(0x00FFF300, &ccm->CCGR4); |
| writel(0x0F0000C3, &ccm->CCGR5); |
| writel(0x000003FF, &ccm->CCGR6); |
| } |
| |
| static void spl_dram_init(void) |
| { |
| if (is_cpu_type(MXC_CPU_MX6SOLO)) { |
| mx6sdl_dram_iocfg(32, &mx6sdl_ddr_ioregs, &mx6sdl_grp_ioregs); |
| mx6_dram_cfg(&mem_s, &mx6s_512m_mmdc_calib, &h5tq2g63dfr); |
| } else if (is_cpu_type(MXC_CPU_MX6DL)) { |
| mx6sdl_dram_iocfg(64, &mx6sdl_ddr_ioregs, &mx6sdl_grp_ioregs); |
| mx6_dram_cfg(&mem_dl, &mx6dl_1g_mmdc_calib, &h5tq2g63dfr); |
| } else if (is_cpu_type(MXC_CPU_MX6Q)) { |
| mx6dq_dram_iocfg(64, &mx6dq_ddr_ioregs, &mx6dq_grp_ioregs); |
| mx6_dram_cfg(&mem_q, &mx6q_2g_mmdc_calib, &h5t04g63afr); |
| } |
| |
| udelay(100); |
| } |
| |
| static void setup_spi(void) |
| { |
| enable_spi_clk(true, 2); |
| } |
| |
| #define UART_PAD_CTRL (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 uart1_pads[] = { |
| IOMUX_PADS(PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)), |
| IOMUX_PADS(PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)), |
| }; |
| |
| static void setup_iomux_uart(void) |
| { |
| SETUP_IOMUX_PADS(uart1_pads); |
| } |
| |
| void board_init_f(ulong dummy) |
| { |
| ccgr_init(); |
| |
| /* setup AIPS and disable watchdog */ |
| arch_cpu_init(); |
| |
| gpr_init(); |
| |
| /* iomux */ |
| setup_iomux_uart(); |
| |
| /* setup GP timer */ |
| timer_init(); |
| |
| /* UART clocks enabled and gd valid - init serial console */ |
| preloader_console_init(); |
| |
| /* enable ECSPI clocks */ |
| setup_spi(); |
| |
| /* DDR initialization */ |
| spl_dram_init(); |
| } |
| |
| void board_boot_order(u32 *spl_boot_list) |
| { |
| switch (spl_boot_device()) { |
| case BOOT_DEVICE_MMC2: |
| case BOOT_DEVICE_MMC1: |
| spl_boot_list[0] = BOOT_DEVICE_MMC2; |
| spl_boot_list[1] = BOOT_DEVICE_MMC1; |
| break; |
| |
| case BOOT_DEVICE_NOR: |
| spl_boot_list[0] = BOOT_DEVICE_NOR; |
| break; |
| } |
| } |
| |
| #ifdef CONFIG_SPL_LOAD_FIT |
| int board_fit_config_name_match(const char *name) |
| { |
| return 0; |
| } |
| #endif |
| |
| #ifdef CONFIG_SPL_OS_BOOT |
| int spl_start_uboot(void) |
| { |
| char s[16]; |
| int ret; |
| /* |
| * We use BOOT_DEVICE_MMC1, but SD card is connected |
| * to MMC2 |
| * |
| * Correct "mapping" is delivered in board defined |
| * board_boot_order() function. |
| * |
| * SD card boot is regarded as a "development" one, |
| * hence we _always_ go through the u-boot. |
| * |
| */ |
| if (spl_boot_device() == BOOT_DEVICE_MMC1) |
| return 1; |
| |
| /* break into full u-boot on 'c' */ |
| if (serial_tstc() && serial_getc() == 'c') |
| return 1; |
| |
| env_init(); |
| ret = env_get_f("boot_os", s, sizeof(s)); |
| if ((ret != -1) && (strcmp(s, "no") == 0)) |
| return 1; |
| |
| /* |
| * Check if SWUpdate recovery needs to be started |
| * |
| * recovery_status = NULL (not set - ret == -1) -> normal operation |
| * |
| * recovery_status = progress or |
| * recovery_status = failed or |
| * recovery_status = <any value> -> start SWUpdate |
| * |
| */ |
| ret = env_get_f("recovery_status", s, sizeof(s)); |
| if (ret != -1) |
| return 1; |
| |
| return 0; |
| } |
| #endif /* CONFIG_SPL_OS_BOOT */ |
| |
| #define WEIM_NOR_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) |
| |
| #define NOR_WP IMX_GPIO_NR(1, 1) |
| |
| static iomux_v3_cfg_t const eimnor_pads[] = { |
| IOMUX_PADS(PAD_EIM_D16__EIM_DATA16 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_D17__EIM_DATA17 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_D18__EIM_DATA18 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_D19__EIM_DATA19 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_D20__EIM_DATA20 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_D21__EIM_DATA21 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_D22__EIM_DATA22 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_D23__EIM_DATA23 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_D24__EIM_DATA24 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_D25__EIM_DATA25 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_D26__EIM_DATA26 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_D27__EIM_DATA27 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_D28__EIM_DATA28 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_D29__EIM_DATA29 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_D30__EIM_DATA30 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_D31__EIM_DATA31 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_DA0__EIM_AD00 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_DA1__EIM_AD01 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_DA2__EIM_AD02 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_DA3__EIM_AD03 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_DA4__EIM_AD04 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_DA5__EIM_AD05 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_DA6__EIM_AD06 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_DA7__EIM_AD07 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_DA8__EIM_AD08 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_DA9__EIM_AD09 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_DA10__EIM_AD10 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_DA11__EIM_AD11 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_DA12__EIM_AD12 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_DA13__EIM_AD13 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_DA14__EIM_AD14 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_DA15__EIM_AD15 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_A16__EIM_ADDR16 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_A17__EIM_ADDR17 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_A18__EIM_ADDR18 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_A19__EIM_ADDR19 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_A20__EIM_ADDR20 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_A21__EIM_ADDR21 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_A22__EIM_ADDR22 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_A23__EIM_ADDR23 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_A24__EIM_ADDR24 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_A25__EIM_ADDR25 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_OE__EIM_OE_B | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_RW__EIM_RW | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| IOMUX_PADS(PAD_EIM_CS0__EIM_CS0_B | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| IOMUX_PADS(PAD_GPIO_1__GPIO1_IO01 | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| }; |
| |
| static void eimnor_cs_setup(void) |
| { |
| struct weim *weim_regs = (struct weim *)WEIM_BASE_ADDR; |
| |
| /* NOR configuration */ |
| writel(0x00620181, &weim_regs->cs0gcr1); |
| writel(0x00000001, &weim_regs->cs0gcr2); |
| writel(0x0b020000, &weim_regs->cs0rcr1); |
| writel(0x0000b000, &weim_regs->cs0rcr2); |
| writel(0x0804a240, &weim_regs->cs0wcr1); |
| writel(0x00000000, &weim_regs->cs0wcr2); |
| |
| writel(0x00000120, &weim_regs->wcr); |
| writel(0x00000010, &weim_regs->wiar); |
| writel(0x00000000, &weim_regs->ear); |
| |
| set_chipselect_size(CS0_128); |
| } |
| |
| static void setup_eimnor(void) |
| { |
| SETUP_IOMUX_PADS(eimnor_pads); |
| gpio_direction_output(NOR_WP, 1); |
| |
| enable_eim_clk(1); |
| eimnor_cs_setup(); |
| } |
| |
| #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 USDHC2_CD_GPIO IMX_GPIO_NR(1, 4) |
| |
| static iomux_v3_cfg_t const usdhc2_pads[] = { |
| IOMUX_PADS(PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| /* Carrier MicroSD Card Detect */ |
| IOMUX_PADS(PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| }; |
| |
| 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)), |
| IOMUX_PADS(PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_SD3_RST__SD3_RESET | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| }; |
| |
| static struct fsl_esdhc_cfg usdhc_cfg[2] = { |
| {USDHC3_BASE_ADDR}, |
| {USDHC2_BASE_ADDR}, |
| }; |
| |
| 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: |
| /* |
| * eMMC don't have card detect pin - since it is soldered to the |
| * PCB board |
| */ |
| ret = 1; |
| break; |
| } |
| return ret; |
| } |
| |
| int board_mmc_init(bd_t *bis) |
| { |
| int ret; |
| u32 index = 0; |
| |
| /* |
| * MMC MAP |
| * (U-Boot device node) (Physical Port) |
| * mmc0 Soldered on board eMMC device |
| * mmc1 MicroSD card |
| */ |
| for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) { |
| switch (index) { |
| case 0: |
| SETUP_IOMUX_PADS(usdhc3_pads); |
| usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); |
| usdhc_cfg[0].max_bus_width = 8; |
| break; |
| case 1: |
| SETUP_IOMUX_PADS(usdhc2_pads); |
| usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); |
| usdhc_cfg[1].max_bus_width = 4; |
| gpio_direction_input(USDHC2_CD_GPIO); |
| break; |
| default: |
| printf("Warning: More USDHC controllers (%d) than supported (%d)\n", |
| index + 1, CONFIG_SYS_FSL_USDHC_NUM); |
| return -EINVAL; |
| } |
| |
| ret = fsl_esdhc_initialize(bis, &usdhc_cfg[index]); |
| if (ret) |
| return ret; |
| } |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_SPL_BOARD_INIT |
| #define DISPLAY_EN IMX_GPIO_NR(1, 2) |
| void spl_board_init(void) |
| { |
| setup_eimnor(); |
| |
| gpio_direction_output(DISPLAY_EN, 1); |
| } |
| #endif /* CONFIG_SPL_BOARD_INIT */ |