X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=board%2Ffreescale%2Fmx6sabresd%2Fmx6sabresd.c;h=eda8497ba623f61eb06d26deab15538da9e07d08;hb=75f2ba42200177861f52bde131a837b0307f3daf;hp=3e314daec2f431d7cb2900a508b7264713e3dd23;hpb=e7f9350525d73233d4eaf1793f8fe618e9fd4910;p=u-boot diff --git a/board/freescale/mx6sabresd/mx6sabresd.c b/board/freescale/mx6sabresd/mx6sabresd.c index 3e314daec2..eda8497ba6 100644 --- a/board/freescale/mx6sabresd/mx6sabresd.c +++ b/board/freescale/mx6sabresd/mx6sabresd.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -23,8 +24,15 @@ #include #include #include +#include +#include +#include +#include + DECLARE_GLOBAL_DATA_PTR; +#define BOOT_CFG 0x020D8004 + #define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ PAD_CTL_SRE_FAST | PAD_CTL_HYS) @@ -39,10 +47,19 @@ DECLARE_GLOBAL_DATA_PTR; #define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \ PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) +#define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ + PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ + PAD_CTL_ODE | PAD_CTL_SRE_FAST) + +#define I2C_PMIC 1 + +#define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL) + +#define DISP0_PWR_EN IMX_GPIO_NR(1, 21) + int dram_init(void) { - gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE); - + gd->ram_size = imx_ddr_size(); return 0; } @@ -129,6 +146,58 @@ iomux_v3_cfg_t const ecspi1_pads[] = { MX6_PAD_KEY_ROW1__GPIO4_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL), }; +static iomux_v3_cfg_t const rgb_pads[] = { + MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_DI0_PIN15__IPU1_DI0_PIN15 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_DI0_PIN4__IPU1_DI0_PIN04 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_DISP0_DAT0__IPU1_DISP0_DATA00 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_DISP0_DAT1__IPU1_DISP0_DATA01 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_DISP0_DAT2__IPU1_DISP0_DATA02 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_DISP0_DAT3__IPU1_DISP0_DATA03 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_DISP0_DAT4__IPU1_DISP0_DATA04 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_DISP0_DAT5__IPU1_DISP0_DATA05 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_DISP0_DAT6__IPU1_DISP0_DATA06 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_DISP0_DAT7__IPU1_DISP0_DATA07 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_DISP0_DAT8__IPU1_DISP0_DATA08 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_DISP0_DAT9__IPU1_DISP0_DATA09 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_DISP0_DAT10__IPU1_DISP0_DATA10 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_DISP0_DAT11__IPU1_DISP0_DATA11 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_DISP0_DAT12__IPU1_DISP0_DATA12 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_DISP0_DAT13__IPU1_DISP0_DATA13 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_DISP0_DAT14__IPU1_DISP0_DATA14 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_DISP0_DAT15__IPU1_DISP0_DATA15 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_DISP0_DAT16__IPU1_DISP0_DATA16 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_DISP0_DAT17__IPU1_DISP0_DATA17 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_DISP0_DAT18__IPU1_DISP0_DATA18 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_DISP0_DAT19__IPU1_DISP0_DATA19 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_DISP0_DAT20__IPU1_DISP0_DATA20 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_DISP0_DAT21__IPU1_DISP0_DATA21 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_DISP0_DAT22__IPU1_DISP0_DATA22 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_DISP0_DAT23__IPU1_DISP0_DATA23 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_SD1_DAT3__GPIO1_IO21 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +static void enable_rgb(struct display_info_t const *dev) +{ + imx_iomux_v3_setup_multiple_pads(rgb_pads, ARRAY_SIZE(rgb_pads)); + gpio_direction_output(DISP0_PWR_EN, 1); +} + +static struct i2c_pads_info i2c_pad_info1 = { + .scl = { + .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | I2C_PAD, + .gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD, + .gp = IMX_GPIO_NR(4, 12) + }, + .sda = { + .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD, + .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD, + .gp = IMX_GPIO_NR(4, 13) + } +}; + static void setup_spi(void) { imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads)); @@ -187,6 +256,7 @@ int board_mmc_getcd(struct mmc *mmc) int board_mmc_init(bd_t *bis) { +#ifndef CONFIG_SPL_BUILD s32 status = 0; int i; @@ -227,6 +297,43 @@ int board_mmc_init(bd_t *bis) } return status; +#else + unsigned reg = readl(BOOT_CFG) >> 11; + /* + * Upon reading BOOT_CFG register the following map is done: + * Bit 11 and 12 of BOOT_CFG register can determine the current + * mmc port + * 0x1 SD1 + * 0x2 SD2 + * 0x3 SD4 + */ + + switch (reg & 0x3) { + case 0x1: + imx_iomux_v3_setup_multiple_pads( + usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); + usdhc_cfg[0].esdhc_base = USDHC2_BASE_ADDR; + usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); + gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk; + break; + case 0x2: + imx_iomux_v3_setup_multiple_pads( + usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); + usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR; + usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); + gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk; + break; + case 0x3: + imx_iomux_v3_setup_multiple_pads( + usdhc4_pads, ARRAY_SIZE(usdhc4_pads)); + usdhc_cfg[0].esdhc_base = USDHC4_BASE_ADDR; + usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); + gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk; + break; + } + + return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); +#endif } #endif @@ -332,6 +439,26 @@ struct display_info_t const displays[] = {{ .vsync_len = 10, .sync = FB_SYNC_EXT, .vmode = FB_VMODE_NONINTERLACED +} }, { + .bus = 0, + .addr = 0, + .pixfmt = IPU_PIX_FMT_RGB24, + .detect = NULL, + .enable = enable_rgb, + .mode = { + .name = "SEIKO-WVGA", + .refresh = 60, + .xres = 800, + .yres = 480, + .pixclock = 29850, + .left_margin = 89, + .right_margin = 164, + .upper_margin = 23, + .lower_margin = 10, + .hsync_len = 10, + .vsync_len = 10, + .sync = 0, + .vmode = FB_VMODE_NONINTERLACED } } }; size_t display_count = ARRAY_SIZE(displays); @@ -426,10 +553,75 @@ int board_init(void) #ifdef CONFIG_MXC_SPI setup_spi(); #endif + setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); return 0; } +static int pfuze_init(void) +{ + struct pmic *p; + int ret; + unsigned int reg; + + ret = power_pfuze100_init(I2C_PMIC); + if (ret) + return ret; + + p = pmic_get("PFUZE100"); + ret = pmic_probe(p); + if (ret) + return ret; + + pmic_reg_read(p, PFUZE100_DEVICEID, ®); + printf("PMIC: PFUZE100 ID=0x%02x\n", reg); + + /* Increase VGEN3 from 2.5 to 2.8V */ + pmic_reg_read(p, PFUZE100_VGEN3VOL, ®); + reg &= ~0xf; + reg |= 0xa; + pmic_reg_write(p, PFUZE100_VGEN3VOL, reg); + + /* Increase VGEN5 from 2.8 to 3V */ + pmic_reg_read(p, PFUZE100_VGEN5VOL, ®); + reg &= ~0xf; + reg |= 0xc; + pmic_reg_write(p, PFUZE100_VGEN5VOL, reg); + + /* Set SW1AB stanby volage to 0.975V */ + pmic_reg_read(p, PFUZE100_SW1ABSTBY, ®); + reg &= ~0x3f; + reg |= 0x1b; + pmic_reg_write(p, PFUZE100_SW1ABSTBY, reg); + + /* Set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */ + pmic_reg_read(p, PUZE_100_SW1ABCONF, ®); + reg &= ~0xc0; + reg |= 0x40; + pmic_reg_write(p, PUZE_100_SW1ABCONF, reg); + + /* Set SW1C standby voltage to 0.975V */ + pmic_reg_read(p, PFUZE100_SW1CSTBY, ®); + reg &= ~0x3f; + reg |= 0x1b; + pmic_reg_write(p, PFUZE100_SW1CSTBY, reg); + + /* Set SW1C/VDDSOC step ramp up time from 16us to 4us/25mV */ + pmic_reg_read(p, PFUZE100_SW1CCONF, ®); + reg &= ~0xc0; + reg |= 0x40; + pmic_reg_write(p, PFUZE100_SW1CCONF, reg); + + return 0; +} + +#ifdef CONFIG_MXC_SPI +int board_spi_cs_gpio(unsigned bus, unsigned cs) +{ + return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(4, 9)) : -1; +} +#endif + #ifdef CONFIG_CMD_BMODE static const struct boot_mode board_boot_modes[] = { /* 4 bit bus width */ @@ -446,6 +638,7 @@ int board_late_init(void) #ifdef CONFIG_CMD_BMODE add_board_boot_modes(board_boot_modes); #endif + pfuze_init(); return 0; } @@ -455,3 +648,144 @@ int checkboard(void) puts("Board: MX6-SabreSD\n"); return 0; } + +#ifdef CONFIG_SPL_BUILD +#include +#include + +const struct mx6dq_iomux_ddr_regs mx6_ddr_ioregs = { + .dram_sdclk_0 = 0x00020030, + .dram_sdclk_1 = 0x00020030, + .dram_cas = 0x00020030, + .dram_ras = 0x00020030, + .dram_reset = 0x00020030, + .dram_sdcke0 = 0x00003000, + .dram_sdcke1 = 0x00003000, + .dram_sdba2 = 0x00000000, + .dram_sdodt0 = 0x00003030, + .dram_sdodt1 = 0x00003030, + .dram_sdqs0 = 0x00000030, + .dram_sdqs1 = 0x00000030, + .dram_sdqs2 = 0x00000030, + .dram_sdqs3 = 0x00000030, + .dram_sdqs4 = 0x00000030, + .dram_sdqs5 = 0x00000030, + .dram_sdqs6 = 0x00000030, + .dram_sdqs7 = 0x00000030, + .dram_dqm0 = 0x00020030, + .dram_dqm1 = 0x00020030, + .dram_dqm2 = 0x00020030, + .dram_dqm3 = 0x00020030, + .dram_dqm4 = 0x00020030, + .dram_dqm5 = 0x00020030, + .dram_dqm6 = 0x00020030, + .dram_dqm7 = 0x00020030, +}; + +const struct mx6dq_iomux_grp_regs mx6_grp_ioregs = { + .grp_ddr_type = 0x000C0000, + .grp_ddrmode_ctl = 0x00020000, + .grp_ddrpke = 0x00000000, + .grp_addds = 0x00000030, + .grp_ctlds = 0x00000030, + .grp_ddrmode = 0x00020000, + .grp_b0ds = 0x00000030, + .grp_b1ds = 0x00000030, + .grp_b2ds = 0x00000030, + .grp_b3ds = 0x00000030, + .grp_b4ds = 0x00000030, + .grp_b5ds = 0x00000030, + .grp_b6ds = 0x00000030, + .grp_b7ds = 0x00000030, +}; + +const struct mx6_mmdc_calibration mx6_mmcd_calib = { + .p0_mpwldectrl0 = 0x001F001F, + .p0_mpwldectrl1 = 0x001F001F, + .p1_mpwldectrl0 = 0x00440044, + .p1_mpwldectrl1 = 0x00440044, + .p0_mpdgctrl0 = 0x434B0350, + .p0_mpdgctrl1 = 0x034C0359, + .p1_mpdgctrl0 = 0x434B0350, + .p1_mpdgctrl1 = 0x03650348, + .p0_mprddlctl = 0x4436383B, + .p1_mprddlctl = 0x39393341, + .p0_mpwrdlctl = 0x35373933, + .p1_mpwrdlctl = 0x48254A36, +}; + +static struct mx6_ddr3_cfg mem_ddr = { + .mem_speed = 1600, + .density = 4, + .width = 64, + .banks = 8, + .rowaddr = 14, + .coladdr = 10, + .pagesz = 2, + .trcd = 1375, + .trcmin = 4875, + .trasmin = 3500, +}; + +/* + * This section require the differentiation + * between iMX6 Sabre Families. + * But for now, it will configure only for + * SabreSD. + */ +static void spl_dram_init(void) +{ + struct mx6_ddr_sysinfo sysinfo = { + /* width of data bus:0=16,1=32,2=64 */ + .dsize = mem_ddr.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) */ + }; + + mx6dq_dram_iocfg(mem_ddr.width, &mx6_ddr_ioregs, &mx6_grp_ioregs); + mx6_dram_cfg(&sysinfo, &mx6_mmcd_calib, &mem_ddr); +} + +void board_init_f(ulong dummy) +{ + /* setup AIPS and disable watchdog */ + arch_cpu_init(); + + /* iomux and setup of i2c */ + 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); +} + +void reset_cpu(ulong addr) +{ +} +#endif