int board_init(void)
{
/* address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info_loc);
setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3);
#if defined(CONFIG_VIDEO_IPUV3)
setup_display();
#endif
#ifdef CONFIG_TDX_CMD_IMX_MFGR
(void) pmic_init();
#endif
#ifdef CONFIG_SATA
setup_sata();
#endif
setup_iomux_gpio();
return 0;
}
int board_early_init_f(void)
{
setup_iomux_uart();
setup_iomux_gpio();
setup_display();
return 0;
}
int board_early_init_f(void)
{
setup_iomux_uart();
setup_iomux_gpio();
gpio_direction_output(SOFT_RESET_GPIO, 1);
gpio_direction_output(SD2_DRIVER_ENABLE, 1);
setup_display();
set_gpr_register();
return 0;
}
void board_init_f(ulong dummy)
{
/* setup AIPS and disable watchdog */
arch_cpu_init();
ccgr_init();
gpr_init();
/* setup GP timer */
timer_init();
setup_iomux_boardid();
setup_iomux_gpio();
setup_iomux_enet();
setup_iomux_sd();
setup_iomux_spi();
setup_iomux_uart();
setup_iomux_usb();
/* UART clocks enabled and gd valid - init serial console */
preloader_console_init();
/* Start the DDR DRAM */
if (is_mx6dq())
mx6dq_dram_iocfg(dhcom_mem_ddr.width, &dhcom6dq_ddr_ioregs,
&dhcom6dq_grp_ioregs);
else
mx6sdl_dram_iocfg(dhcom_mem_ddr.width, &dhcom6sdl_ddr_ioregs,
&dhcom6sdl_grp_ioregs);
mx6_dram_cfg(&dhcom_ddr_info, &dhcom_mmdc_calib, &dhcom_mem_ddr);
/* Clear the BSS. */
memset(__bss_start, 0, __bss_end - __bss_start);
/* load/boot image from boot device */
board_init_r(NULL, 0);
}
static void spl_dram_init(int width, int size_mb, int board_model)
{
struct mx6_ddr3_cfg *mem = NULL;
struct mx6_mmdc_calibration *calib = NULL;
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 */
/* single chip select */
.ncs = 1,
.cs1_mirror = 0,
.rtt_wr = 1 /*DDR3_RTT_60_OHM*/, /* RTT_Wr = RZQ/4 */
#ifdef RTT_NOM_120OHM
.rtt_nom = 2 /*DDR3_RTT_120_OHM*/, /* RTT_Nom = RZQ/2 */
#else
.rtt_nom = 1 /*DDR3_RTT_60_OHM*/, /* RTT_Nom = RZQ/4 */
#endif
.walat = 1, /* Write additional latency */
.ralat = 5, /* Read additional latency */
.mif3_mode = 3, /* Command prediction working mode */
.bi_on = 1, /* Bank interleaving enabled */
.sde_to_rst = 0x10, /* 14 cycles, 200us (JEDEC default) */
.rst_to_cke = 0x23, /* 33 cycles, 500us (JEDEC default) */
.pd_fast_exit = 1, /* enable precharge power-down fast exit */
.ddr_type = DDR_TYPE_DDR3,
};
/*
* MMDC Calibration requires the following data:
* mx6_mmdc_calibration - board-specific calibration (routing delays)
* these calibration values depend on board routing, SoC, and DDR
* mx6_ddr_sysinfo - board-specific memory architecture (width/cs/etc)
* mx6_ddr_cfg - chip specific timing/layout details
*/
if (width == 16 && size_mb == 128) {
mem = &mt41k64m16jt_125;
if (is_cpu_type(MXC_CPU_MX6Q))
;
else
calib = &mx6sdl_64x16_mmdc_calib;
debug("1gB density\n");
} else if (width == 16 && size_mb == 256) {
/* 1x 2Gb density chip - same calib as 2x 2Gb */
mem = &mt41k128m16jt_125;
if (is_cpu_type(MXC_CPU_MX6Q))
calib = &mx6dq_128x32_mmdc_calib;
else
calib = &mx6sdl_128x32_mmdc_calib;
debug("2gB density\n");
} else if (width == 16 && size_mb == 512) {
mem = &mt41k256m16ha_125;
if (is_cpu_type(MXC_CPU_MX6Q))
calib = &mx6dq_256x16_mmdc_calib;
else
calib = &mx6sdl_256x16_mmdc_calib;
debug("4gB density\n");
} else if (width == 32 && size_mb == 256) {
/* Same calib as width==16, size==128 */
mem = &mt41k64m16jt_125;
if (is_cpu_type(MXC_CPU_MX6Q))
;
else
calib = &mx6sdl_64x16_mmdc_calib;
debug("1gB density\n");
} else if (width == 32 && size_mb == 512) {
mem = &mt41k128m16jt_125;
if (is_cpu_type(MXC_CPU_MX6Q))
calib = &mx6dq_128x32_mmdc_calib;
else
calib = &mx6sdl_128x32_mmdc_calib;
debug("2gB density\n");
} else if (width == 32 && size_mb == 1024) {
mem = &mt41k256m16ha_125;
if (is_cpu_type(MXC_CPU_MX6Q))
calib = &mx6dq_256x32_mmdc_calib;
else
calib = &mx6sdl_256x32_mmdc_calib;
debug("4gB density\n");
} else if (width == 64 && size_mb == 512) {
mem = &mt41k64m16jt_125;
debug("1gB density\n");
} else if (width == 64 && size_mb == 1024) {
mem = &mt41k128m16jt_125;
if (is_cpu_type(MXC_CPU_MX6Q))
calib = &mx6dq_128x64_mmdc_calib;
else
calib = &mx6sdl_128x64_mmdc_calib;
debug("2gB density\n");
} else if (width == 64 && size_mb == 2048) {
mem = &mt41k256m16ha_125;
if (is_cpu_type(MXC_CPU_MX6Q))
calib = &mx6dq_256x64_mmdc_calib;
debug("4gB density\n");
}
if (!(mem && calib)) {
puts("Error: Invalid Calibration/Board Configuration\n");
printf("MEM : %s\n", mem ? "OKAY" : "NULL");
printf("CALIB : %s\n", calib ? "OKAY" : "NULL");
printf("CPUTYPE: %s\n",
is_cpu_type(MXC_CPU_MX6Q) ? "IMX6Q" : "IMX6DL");
printf("SIZE_MB: %d\n", size_mb);
printf("WIDTH : %d\n", width);
hang();
}
if (is_cpu_type(MXC_CPU_MX6Q))
mx6dq_dram_iocfg(width, &mx6dq_ddr_ioregs,
&mx6dq_grp_ioregs);
else
mx6sdl_dram_iocfg(width, &mx6sdl_ddr_ioregs,
&mx6sdl_grp_ioregs);
mx6_dram_cfg(&sysinfo, calib, mem);
}
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(0xFFFFF300, &ccm->CCGR4); /* enable NAND/GPMI/BCH clks */
writel(0x0F0000C3, &ccm->CCGR5);
writel(0x000003FF, &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]);
}
/*
* called from C runtime startup code (arch/arm/lib/crt0.S:_main)
* - we have a stack and a place to store GD, both in SRAM
* - no variable global data is available
*/
void board_init_f(ulong dummy)
{
struct ventana_board_info ventana_info;
int board_model;
/* setup clock gating */
ccgr_init();
/* setup AIPS and disable watchdog */
arch_cpu_init();
/* setup AXI */
gpr_init();
/* iomux and setup of i2c */
setup_iomux_uart();
setup_ventana_i2c();
/* setup GP timer */
timer_init();
/* UART clocks enabled and gd valid - init serial console */
preloader_console_init();
/* read/validate EEPROM info to determine board model and SDRAM cfg */
board_model = read_eeprom(CONFIG_I2C_GSC, &ventana_info);
/* configure model-specific gpio */
setup_iomux_gpio(board_model, &ventana_info);
/* provide some some default: 32bit 128MB */
if (GW_UNKNOWN == board_model)
hang();
/* configure MMDC for SDRAM width/size and per-model calibration */
spl_dram_init(8 << ventana_info.sdram_width,
16 << ventana_info.sdram_size,
board_model);
/* Clear the BSS. */
memset(__bss_start, 0, __bss_end - __bss_start);
/* disable boot watchdog */
gsc_boot_wd_disable();
}
/* called from board_init_r after gd setup if CONFIG_SPL_BOARD_INIT defined */
/* its our chance to print info about boot device */
void spl_board_init(void)
{
/* determine boot device from SRC_SBMR1 (BOOT_CFG[4:1]) or SRC_GPR9 */
u32 boot_device = spl_boot_device();
switch (boot_device) {
case BOOT_DEVICE_MMC1:
puts("Booting from MMC\n");
break;
case BOOT_DEVICE_NAND:
puts("Booting from NAND\n");
break;
case BOOT_DEVICE_SATA:
puts("Booting from SATA\n");
break;
default:
puts("Unknown boot device\n");
}
/* PMIC init */
setup_pmic();
}
