diff options
Diffstat (limited to 'board/ge/b1x5v2/spl.c')
| -rw-r--r-- | board/ge/b1x5v2/spl.c | 587 |
1 files changed, 587 insertions, 0 deletions
diff --git a/board/ge/b1x5v2/spl.c b/board/ge/b1x5v2/spl.c new file mode 100644 index 0000000000..2e6f905219 --- /dev/null +++ b/board/ge/b1x5v2/spl.c @@ -0,0 +1,587 @@ +/* + * GE b1x5v2 - QMX6 SPL + * + * Copyright 2013, Adeneo Embedded <www.adeneo-embedded.com> + * Copyright 2018-2020 GE Inc. + * Copyright 2018-2020 Collabora Ltd. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <asm/arch/clock.h> +#include <asm/arch/crm_regs.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/iomux.h> +#include <asm/arch/mx6-pins.h> +#include <asm/arch/sys_proto.h> +#include <asm/gpio.h> +#include <init.h> +#include <spi.h> +#include <spi_flash.h> +#include <spl.h> + +#if defined(CONFIG_SPL_BUILD) + +#include <asm/arch/mx6-ddr.h> + +#define IMX6DQ_DRIVE_STRENGTH_40_OHM 0x30 +#define IMX6DQ_DRIVE_STRENGTH_48_OHM 0x28 +#define IMX6DQ_DRIVE_STRENGTH IMX6DQ_DRIVE_STRENGTH_40_OHM + +#define QMX6_DDR_PKE_DISABLED 0x00000000 +#define QMX6_DDR_ODT_60_OHM (2 << 16) +#define QMX6_DDR_TYPE_DDR3 0x000c0000 + +#define QMX6_DRAM_SDCKE_PULLUP_100K 0x00003000 +#define QMX6_DRAM_SDBA2_PULLUP_NONE 0x00000000 + +#define SPI_PAD_CTRL (PAD_CTL_HYS | \ + PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) + +#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 SPI1_CS0 IMX_GPIO_NR(3, 19) +#define POWEROFF IMX_GPIO_NR(4, 25) + +static iomux_v3_cfg_t const poweroff_pads[] = { + IOMUX_PADS(PAD_DISP0_DAT4__GPIO4_IO25 | MUX_PAD_CTRL(NO_PAD_CTRL)), +}; + +static iomux_v3_cfg_t const uart2_pads[] = { + IOMUX_PADS(PAD_EIM_D26__UART2_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)), + IOMUX_PADS(PAD_EIM_D27__UART2_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)), +}; + +static iomux_v3_cfg_t const uart3_pads[] = { + IOMUX_PADS(PAD_EIM_D24__UART3_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)), + IOMUX_PADS(PAD_EIM_D25__UART3_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)), +}; + +static iomux_v3_cfg_t const ecspi1_pads[] = { + IOMUX_PADS(PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL)), + IOMUX_PADS(PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL)), + IOMUX_PADS(PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL)), + IOMUX_PADS(PAD_EIM_D19__GPIO3_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL)), +}; + +static struct mx6dq_iomux_ddr_regs mx6q_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 = QMX6_DRAM_SDCKE_PULLUP_100K, + .dram_sdcke1 = QMX6_DRAM_SDCKE_PULLUP_100K, + .dram_sdba2 = QMX6_DRAM_SDBA2_PULLUP_NONE, + .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, +}; + +static const struct mx6sdl_iomux_ddr_regs mx6dl_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 = QMX6_DRAM_SDCKE_PULLUP_100K, + .dram_sdcke1 = QMX6_DRAM_SDCKE_PULLUP_100K, + .dram_sdba2 = QMX6_DRAM_SDBA2_PULLUP_NONE, + .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, +}; + +static struct mx6dq_iomux_grp_regs mx6q_grp_ioregs = { + .grp_ddr_type = QMX6_DDR_TYPE_DDR3, + .grp_ddrmode_ctl = QMX6_DDR_ODT_60_OHM, + .grp_ddrpke = QMX6_DDR_PKE_DISABLED, + .grp_addds = IMX6DQ_DRIVE_STRENGTH, + .grp_ctlds = IMX6DQ_DRIVE_STRENGTH, + .grp_ddrmode = QMX6_DDR_ODT_60_OHM, + .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, +}; + +static const struct mx6sdl_iomux_grp_regs mx6sdl_grp_ioregs = { + .grp_ddr_type = QMX6_DDR_TYPE_DDR3, + .grp_ddrmode_ctl = QMX6_DDR_ODT_60_OHM, + .grp_ddrpke = QMX6_DDR_PKE_DISABLED, + .grp_addds = IMX6DQ_DRIVE_STRENGTH, + .grp_ctlds = IMX6DQ_DRIVE_STRENGTH, + .grp_ddrmode = QMX6_DDR_ODT_60_OHM, + .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, +}; + +const struct mx6_mmdc_calibration mx6q_mmcd_calib = { + .p0_mpwldectrl0 = 0x0016001A, + .p0_mpwldectrl1 = 0x0023001C, + .p1_mpwldectrl0 = 0x0028003A, + .p1_mpwldectrl1 = 0x001F002C, + .p0_mpdgctrl0 = 0x43440354, + .p0_mpdgctrl1 = 0x033C033C, + .p1_mpdgctrl0 = 0x43300368, + .p1_mpdgctrl1 = 0x03500330, + .p0_mprddlctl = 0x3228242E, + .p1_mprddlctl = 0x2C2C2636, + .p0_mpwrdlctl = 0x36323A38, + .p1_mpwrdlctl = 0x42324440, +}; + +const struct mx6_mmdc_calibration mx6q_2g_mmcd_calib = { + .p0_mpwldectrl0 = 0x00080016, + .p0_mpwldectrl1 = 0x001D0016, + .p1_mpwldectrl0 = 0x0018002C, + .p1_mpwldectrl1 = 0x000D001D, + .p0_mpdgctrl0 = 0x43200334, + .p0_mpdgctrl1 = 0x0320031C, + .p1_mpdgctrl0 = 0x0344034C, + .p1_mpdgctrl1 = 0x03380314, + .p0_mprddlctl = 0x3E36383A, + .p1_mprddlctl = 0x38363240, + .p0_mpwrdlctl = 0x36364238, + .p1_mpwrdlctl = 0x4230423E, +}; + +const struct mx6_mmdc_calibration mx6q_4g_mmcd_calib = { + .p0_mpwldectrl0 = 0x00180018, + .p0_mpwldectrl1 = 0x00220018, + .p1_mpwldectrl0 = 0x00330046, + .p1_mpwldectrl1 = 0x002B003D, + .p0_mpdgctrl0 = 0x4344034C, + .p0_mpdgctrl1 = 0x033C033C, + .p1_mpdgctrl0 = 0x03700374, + .p1_mpdgctrl1 = 0x03600338, + .p0_mprddlctl = 0x443E3E40, + .p1_mprddlctl = 0x423E3E48, + .p0_mpwrdlctl = 0x3C3C4442, + .p1_mpwrdlctl = 0x46384C46, +}; + +static const struct mx6_mmdc_calibration mx6s_mmcd_calib = { + .p0_mpwldectrl0 = 0x00480049, + .p0_mpwldectrl1 = 0x00410044, + .p0_mpdgctrl0 = 0x42480248, + .p0_mpdgctrl1 = 0x023C023C, + .p0_mprddlctl = 0x40424644, + .p0_mpwrdlctl = 0x34323034, +}; + +static const struct mx6_mmdc_calibration mx6s_2g_mmcd_calib = { + .p0_mpwldectrl0 = 0x00450048, + .p0_mpwldectrl1 = 0x003B003F, + .p0_mpdgctrl0 = 0x424C0248, + .p0_mpdgctrl1 = 0x0234023C, + .p0_mprddlctl = 0x40444848, + .p0_mpwrdlctl = 0x38363232, +}; + +static const struct mx6_mmdc_calibration mx6dl_mmcd_calib = { + .p0_mpwldectrl0 = 0x0043004B, + .p0_mpwldectrl1 = 0x003A003E, + .p1_mpwldectrl0 = 0x0047004F, + .p1_mpwldectrl1 = 0x004E0061, + .p0_mpdgctrl0 = 0x42500250, + .p0_mpdgctrl1 = 0x0238023C, + .p1_mpdgctrl0 = 0x42640264, + .p1_mpdgctrl1 = 0x02500258, + .p0_mprddlctl = 0x40424846, + .p1_mprddlctl = 0x46484842, + .p0_mpwrdlctl = 0x38382C30, + .p1_mpwrdlctl = 0x34343430, +}; + +static const struct mx6_mmdc_calibration mx6dl_2g_mmcd_calib = { + .p0_mpwldectrl0 = 0x00450045, + .p0_mpwldectrl1 = 0x00390043, + .p1_mpwldectrl0 = 0x0049004D, + .p1_mpwldectrl1 = 0x004E0061, + .p0_mpdgctrl0 = 0x4240023C, + .p0_mpdgctrl1 = 0x0228022C, + .p1_mpdgctrl0 = 0x02400244, + .p1_mpdgctrl1 = 0x02340238, + .p0_mprddlctl = 0x42464648, + .p1_mprddlctl = 0x4446463C, + .p0_mpwrdlctl = 0x3C38323A, + .p1_mpwrdlctl = 0x34323430, +}; + +static struct mx6_ddr3_cfg mem_ddr_2g = { + .mem_speed = 1600, + .density = 2, + .width = 16, + .banks = 8, + .rowaddr = 14, + .coladdr = 10, + .pagesz = 2, + .trcd = 1310, + .trcmin = 4875, + .trasmin = 3500, +}; + +static struct mx6_ddr3_cfg mem_ddr_4g = { + .mem_speed = 1600, + .density = 4, + .width = 16, + .banks = 8, + .rowaddr = 15, + .coladdr = 10, + .pagesz = 2, + .trcd = 1310, + .trcmin = 4875, + .trasmin = 3500, +}; + +static struct mx6_ddr3_cfg mem_ddr_8g = { + .mem_speed = 1600, + .density = 8, + .width = 16, + .banks = 8, + .rowaddr = 16, + .coladdr = 10, + .pagesz = 2, + .trcd = 1310, + .trcmin = 4875, + .trasmin = 3500, +}; + +static void spl_dram_init(u8 width, u32 memsize) { + struct mx6_ddr_sysinfo sysinfo = { + /* width of data bus: 0=16, 1=32, 2=64 */ + .dsize = width / 32, + /* config for full 4GB range so that get_mem_size() works */ + .cs_density = 32, /* 32Gb per CS */ + + .ncs = 1, + .cs1_mirror = 0, + .rtt_wr = 2, + .rtt_nom = 2, + .walat = 0, + .ralat = 5, + .mif3_mode = 3, + .bi_on = 1, + .sde_to_rst = 0x0d, + .rst_to_cke = 0x20, + }; + + if (is_cpu_type(MXC_CPU_MX6SOLO)) { + sysinfo.walat = 1; + mx6sdl_dram_iocfg(width, &mx6dl_ddr_ioregs, &mx6sdl_grp_ioregs); + + switch(memsize) { + case 512: + mx6_dram_cfg(&sysinfo, &mx6s_2g_mmcd_calib, &mem_ddr_2g); + break; + default: + mx6_dram_cfg(&sysinfo, &mx6s_mmcd_calib, &mem_ddr_4g); + break; + } + } else if (is_cpu_type(MXC_CPU_MX6DL)) { + sysinfo.walat = 1; + mx6sdl_dram_iocfg(width, &mx6dl_ddr_ioregs, &mx6sdl_grp_ioregs); + + switch(memsize) { + case 2048: + mx6_dram_cfg(&sysinfo, &mx6dl_2g_mmcd_calib, &mem_ddr_4g); + break; + default: + mx6_dram_cfg(&sysinfo, &mx6dl_mmcd_calib, &mem_ddr_2g); + break; + } + } else if (is_cpu_type(MXC_CPU_MX6Q)) { + mx6dq_dram_iocfg(width, &mx6q_ddr_ioregs, &mx6q_grp_ioregs); + + switch(memsize) { + case 4096: + sysinfo.cs_density = 16; + sysinfo.ncs = 2; + mx6_dram_cfg(&sysinfo, &mx6q_4g_mmcd_calib, &mem_ddr_8g); + break; + case 2048: + mx6_dram_cfg(&sysinfo, &mx6q_2g_mmcd_calib, &mem_ddr_4g); + break; + default: + mx6_dram_cfg(&sysinfo, &mx6q_mmcd_calib, &mem_ddr_2g); + break; + } + } +} + +/* Define a minimal structure so that the part number can be read via SPL */ +#define CFG_MFG_ADDR_OFFSET (spi->size - SZ_16K) +struct mfgdata { + unsigned char tsize; + /* size of checksummed part in bytes */ + unsigned char ckcnt; + /* checksum corrected byte */ + unsigned char cksum; + /* decimal serial number, packed BCD */ + unsigned char serial[6]; + /* part number, right justified, ASCII */ + unsigned char pn[16]; +}; + +static void conv_ascii(unsigned char *dst, unsigned char *src, int len) +{ + int remain = len; + unsigned char *sptr = src; + unsigned char *dptr = dst; + + while (remain) { + if (*sptr) { + *dptr = *sptr; + dptr++; + } + sptr++; + remain--; + } + *dptr = 0x0; +} + +/* + * Returns the total size of the memory [in MB] the board is equipped with + * + * This is determined via the partnumber which is stored in the + * congatec manufacturing area + */ +static int get_boardmem_size(struct spi_flash *spi) +{ + int ret; + int i; + int arraysize; + char buf[sizeof(struct mfgdata)]; + struct mfgdata *data = (struct mfgdata *)buf; + unsigned char outbuf[32]; + char partnumbers_2g[4][7] = { "016104", "016105", "016304", "016305" }; + char partnumbers_4g[2][7] = { "016308", "016318" }; + char partnumbers_512m[2][7] = { "016203", "616300" }; + + ret = spi_flash_read(spi, CFG_MFG_ADDR_OFFSET, sizeof(struct mfgdata), + buf); + if (ret) + return 1024; /* default to 1GByte in case of error */ + + conv_ascii(outbuf, data->pn, sizeof(data->pn)); + + printf("Detected Congatec QMX6 SOM: %s\n", outbuf); + + /* congatec PN 016104, 016105, 016304, 016305 have 2GiB of RAM */ + arraysize = sizeof(partnumbers_2g) / sizeof(partnumbers_2g[0]); + for (i=0; i < arraysize; i++) { + if (!memcmp(outbuf,partnumbers_2g[i],6)) + return 2048; + } + + /* congatec PN 016308, 016318 have 4GiB of RAM */ + arraysize = sizeof(partnumbers_4g) / sizeof(partnumbers_4g[0]); + for (i=0; i < arraysize; i++) { + if (!memcmp(outbuf,partnumbers_4g[i],6)) + return 4096; + } + + /* congatec PN 016203, 616300 has 512MiB of RAM */ + arraysize = sizeof(partnumbers_512m) / sizeof(partnumbers_512m[0]); + for (i=0; i < arraysize; i++) { + if (!memcmp(outbuf,partnumbers_512m[i],6)) + return 512; + } + + /* default to 1GByte */ + return 1024; +} + +void reset_cpu(ulong addr) +{ +} + +int board_spi_cs_gpio(unsigned bus, unsigned cs) +{ + if (bus == 0 && cs == 0) + return (SPI1_CS0); + else + return -1; +} + +static void memory_init(void) { + struct spi_flash *spi; + u8 width; + u32 size; + + SETUP_IOMUX_PADS(ecspi1_pads); + gpio_direction_output(SPI1_CS0, 0); + + spi = spi_flash_probe(CONFIG_ENV_SPI_BUS, + CONFIG_ENV_SPI_CS, + CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE); + if (!spi) + panic("Cannot identify board type: SPI-NOR flash module not detected\n"); + + /* lock manufacturer area */ + spi_flash_protect(spi, CFG_MFG_ADDR_OFFSET, SZ_16K, true); + + width = is_cpu_type(MXC_CPU_MX6SOLO) ? 32 : 64; + size = get_boardmem_size(spi); + printf("Detected Memory Size: %u\n", size); + + spl_dram_init(width, size); +} + +static void ccgr_init(void) +{ + struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; + + static const uint32_t ccgr0 = + MXC_CCM_CCGR0_AIPS_TZ1_MASK | + MXC_CCM_CCGR0_AIPS_TZ2_MASK | + MXC_CCM_CCGR0_APBHDMA_MASK | + MXC_CCM_CCGR0_CAAM_SECURE_MEM_MASK | + MXC_CCM_CCGR0_CAAM_WRAPPER_ACLK_MASK | + MXC_CCM_CCGR0_CAAM_WRAPPER_IPG_MASK | + MXC_CCM_CCGR0_CHEETAH_DBG_CLK_MASK; + + static const uint32_t ccgr1 = + MXC_CCM_CCGR1_ECSPI1S_MASK | + MXC_CCM_CCGR1_ENET_MASK | + MXC_CCM_CCGR1_EPIT1S_MASK | + MXC_CCM_CCGR1_EPIT2S_MASK | + MXC_CCM_CCGR1_GPT_BUS_MASK; + + static const uint32_t ccgr2 = + MXC_CCM_CCGR2_IOMUX_IPT_CLK_IO_MASK | + MXC_CCM_CCGR2_IPMUX1_MASK | + MXC_CCM_CCGR2_IPMUX2_MASK | + MXC_CCM_CCGR2_IPMUX3_MASK | + MXC_CCM_CCGR2_IPSYNC_IP2APB_TZASC1_IPGS_MASK | + MXC_CCM_CCGR2_IPSYNC_IP2APB_TZASC2_IPG_MASK | + MXC_CCM_CCGR2_IPSYNC_VDOA_IPG_MASTER_CLK_MASK; + + static const uint32_t ccgr3 = + MXC_CCM_CCGR3_MMDC_CORE_ACLK_FAST_CORE_P0_MASK | + MXC_CCM_CCGR3_MMDC_CORE_ACLK_FAST_CORE_P1_MASK | + MXC_CCM_CCGR3_MMDC_CORE_IPG_CLK_P0_MASK | + MXC_CCM_CCGR3_MMDC_CORE_IPG_CLK_P1_MASK | + MXC_CCM_CCGR3_OCRAM_MASK; + + static const uint32_t ccgr4 = + MXC_CCM_CCGR4_PL301_MX6QFAST1_S133_MASK | + MXC_CCM_CCGR4_PL301_MX6QPER1_BCH_MASK | + MXC_CCM_CCGR4_PL301_MX6QPER2_MAINCLK_ENABLE_MASK | + MXC_CCM_CCGR4_PWM1_MASK | + MXC_CCM_CCGR4_PWM2_MASK | + MXC_CCM_CCGR4_PWM3_MASK | + MXC_CCM_CCGR4_PWM4_MASK; + + static const uint32_t ccgr5 = + MXC_CCM_CCGR5_ROM_MASK | + MXC_CCM_CCGR5_SDMA_MASK | + MXC_CCM_CCGR5_UART_MASK | + MXC_CCM_CCGR5_UART_SERIAL_MASK; + + static const uint32_t ccgr6 = + MXC_CCM_CCGR6_USBOH3_MASK | + MXC_CCM_CCGR6_USDHC1_MASK | + MXC_CCM_CCGR6_USDHC2_MASK | + MXC_CCM_CCGR6_SIM1_CLK_MASK | + MXC_CCM_CCGR6_SIM2_CLK_MASK; + + writel(ccgr0, &ccm->CCGR0); + writel(ccgr1, &ccm->CCGR1); + writel(ccgr2, &ccm->CCGR2); + writel(ccgr3, &ccm->CCGR3); + writel(ccgr4, &ccm->CCGR4); + writel(ccgr5, &ccm->CCGR5); + writel(ccgr6, &ccm->CCGR6); +} + +void board_init_f(ulong dummy) +{ + /* setup clock gating */ + ccgr_init(); + + /* setup AIPS and disable watchdog */ + arch_cpu_init(); + + /* setup AXI */ + gpr_init(); + + /* + * setup poweroff GPIO. This controls system power regulator. Once + * the power button is released this must be enabled to keep system + * running. Not enabling it (or disabling it later) will turn off + * the main system regulator and instantly poweroff the system. We + * do this very early, to reduce the time users have to press the + * power button. + */ + SETUP_IOMUX_PADS(poweroff_pads); + gpio_direction_output(POWEROFF, 1); + + /* setup GP timer */ + timer_init(); + + /* iomux */ + if (CONFIG_MXC_UART_BASE == UART2_BASE) + SETUP_IOMUX_PADS(uart2_pads); + else if (CONFIG_MXC_UART_BASE == UART3_BASE) + SETUP_IOMUX_PADS(uart3_pads); + + /* UART clocks enabled and gd valid - init serial console */ + preloader_console_init(); + + /* Needed for malloc() [used by SPI] to work in SPL prior to board_init_r() */ + spl_init(); + + /* DDR initialization */ + memory_init(); +} + +void spl_board_prepare_for_boot(void) +{ + printf("Load normal U-Boot...\n"); +} +#endif |