diff options
Diffstat (limited to 'roms/u-boot/board/liebherr/mccmon6/spl.c')
| -rw-r--r-- | roms/u-boot/board/liebherr/mccmon6/spl.c | 577 |
1 files changed, 577 insertions, 0 deletions
diff --git a/roms/u-boot/board/liebherr/mccmon6/spl.c b/roms/u-boot/board/liebherr/mccmon6/spl.c new file mode 100644 index 000000000..56eae3b4e --- /dev/null +++ b/roms/u-boot/board/liebherr/mccmon6/spl.c @@ -0,0 +1,577 @@ +// 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 <linux/delay.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(struct bd_info *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 */ |