#include <asm/arch/clock.h>
#include <asm/arch/iomux.h>
+#include <asm/arch/crm_regs.h>
#include <asm/arch/imx-regs.h>
+#include <asm/arch/mx6-ddr.h>
#include <asm/arch/mx6-pins.h>
#include <asm/arch/sys_proto.h>
#include <asm/gpio.h>
-#include <asm/imx-common/iomux-v3.h>
-#include <asm/imx-common/spi.h>
+#include <asm/mach-imx/iomux-v3.h>
+#include <asm/mach-imx/mxc_i2c.h>
+#include <asm/mach-imx/spi.h>
#include <asm/io.h>
#include <linux/sizes.h>
#include <common.h>
#include <fsl_esdhc.h>
+#include <i2c.h>
#include <mmc.h>
#include <netdev.h>
+#include <power/pmic.h>
+#include <power/pfuze100_pmic.h>
+#include "../common/pfuze.h"
+#include <usb.h>
+#include <usb/ehci-ci.h>
DECLARE_GLOBAL_DATA_PTR;
#define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \
PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
-#define ETH_PHY_RESET IMX_GPIO_NR(4, 21)
+#define OTGID_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
+ PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW |\
+ PAD_CTL_DSE_80ohm | PAD_CTL_HYS | \
+ PAD_CTL_SRE_FAST)
+
+#define ETH_PHY_POWER IMX_GPIO_NR(4, 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;
}
MX6_PAD_UART1_RXD__UART1_RXD | MUX_PAD_CTRL(UART_PAD_CTRL),
};
+#ifdef CONFIG_SPL_BUILD
static iomux_v3_cfg_t const usdhc1_pads[] = {
/* 8 bit SD */
MX6_PAD_SD1_CLK__USDHC1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
/*CD pin*/
MX6_PAD_REF_CLK_32K__GPIO_3_22 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
+#endif
static iomux_v3_cfg_t const fec_pads[] = {
MX6_PAD_FEC_MDC__FEC_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
{
imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads));
- /* Reset LAN8720 PHY */
- gpio_direction_output(ETH_PHY_RESET , 0);
- udelay(1000);
- gpio_set_value(ETH_PHY_RESET, 1);
+ /* Power up LAN8720 PHY */
+ gpio_request(ETH_PHY_POWER, "eth_pwr");
+ gpio_direction_output(ETH_PHY_POWER , 1);
+ udelay(15000);
+}
+
+int board_mmc_get_env_dev(int devno)
+{
+ return devno;
+}
+
+#ifdef CONFIG_DM_PMIC_PFUZE100
+int power_init_board(void)
+{
+ struct udevice *dev;
+ int ret;
+ u32 dev_id, rev_id, i;
+ u32 switch_num = 6;
+ u32 offset = PFUZE100_SW1CMODE;
+
+ ret = pmic_get("pfuze100", &dev);
+ if (ret == -ENODEV)
+ return 0;
+
+ if (ret != 0)
+ return ret;
+
+ dev_id = pmic_reg_read(dev, PFUZE100_DEVICEID);
+ rev_id = pmic_reg_read(dev, PFUZE100_REVID);
+ printf("PMIC: PFUZE100! DEV_ID=0x%x REV_ID=0x%x\n", dev_id, rev_id);
+
+ /* set SW1AB staby volatage 0.975V */
+ pmic_clrsetbits(dev, PFUZE100_SW1ABSTBY, 0x3f, 0x1b);
+
+ /* set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */
+ pmic_clrsetbits(dev, PFUZE100_SW1ABCONF, 0xc0, 0x40);
+
+ /* set SW1C staby volatage 0.975V */
+ pmic_clrsetbits(dev, PFUZE100_SW1CSTBY, 0x3f, 0x1b);
+
+ /* set SW1C/VDDSOC step ramp up time to from 16us to 4us/25mV */
+ pmic_clrsetbits(dev, PFUZE100_SW1CCONF, 0xc0, 0x40);
+
+ /* Init mode to APS_PFM */
+ pmic_reg_write(dev, PFUZE100_SW1ABMODE, APS_PFM);
+
+ for (i = 0; i < switch_num - 1; i++)
+ pmic_reg_write(dev, offset + i * SWITCH_SIZE, APS_PFM);
+
+ return 0;
+}
+#endif
+
+#ifdef CONFIG_FEC_MXC
+int board_eth_init(bd_t *bis)
+{
+ setup_iomux_fec();
+
+ return cpu_eth_init(bis);
+}
+
+static int setup_fec(void)
+{
+ struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
+
+ /* clear gpr1[14], gpr1[18:17] to select anatop clock */
+ clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC_MASK, 0);
+
+ return enable_fec_anatop_clock(0, ENET_50MHZ);
+}
+#endif
+
+#ifdef CONFIG_USB_EHCI_MX6
+#define USB_OTHERREGS_OFFSET 0x800
+#define UCTRL_PWR_POL (1 << 9)
+
+static iomux_v3_cfg_t const usb_otg_pads[] = {
+ /* OTG1 */
+ MX6_PAD_KEY_COL4__USB_USBOTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
+ MX6_PAD_EPDC_PWRCOM__ANATOP_USBOTG1_ID | MUX_PAD_CTRL(OTGID_PAD_CTRL),
+ /* OTG2 */
+ MX6_PAD_KEY_COL5__USB_USBOTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL)
+};
+
+static void setup_usb(void)
+{
+ imx_iomux_v3_setup_multiple_pads(usb_otg_pads,
+ ARRAY_SIZE(usb_otg_pads));
+}
+
+int board_usb_phy_mode(int port)
+{
+ if (port == 1)
+ return USB_INIT_HOST;
+ else
+ return usb_phy_mode(port);
+}
+
+int board_ehci_hcd_init(int port)
+{
+ u32 *usbnc_usb_ctrl;
+
+ if (port > 1)
+ return -EINVAL;
+
+ usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET +
+ port * 4);
+
+ /* Set Power polarity */
+ setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL);
+
+ return 0;
}
+#endif
+
+int board_early_init_f(void)
+{
+ setup_iomux_uart();
+
+ return 0;
+}
+
+int board_init(void)
+{
+ /* address of boot parameters */
+ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+#ifdef CONFIG_MXC_SPI
+ gpio_request(IMX_GPIO_NR(4, 11), "spi_cs");
+ setup_spi();
+#endif
+
+#ifdef CONFIG_FEC_MXC
+ setup_fec();
+#endif
+
+#ifdef CONFIG_USB_EHCI_MX6
+ setup_usb();
+#endif
+
+ return 0;
+}
+
+int checkboard(void)
+{
+ puts("Board: MX6SLEVK\n");
+
+ return 0;
+}
+
+#ifdef CONFIG_SPL_BUILD
+#include <spl.h>
+#include <libfdt.h>
#define USDHC1_CD_GPIO IMX_GPIO_NR(4, 7)
#define USDHC2_CD_GPIO IMX_GPIO_NR(5, 0)
int board_mmc_init(bd_t *bis)
{
- int i, ret;
-
- /*
- * According to the board_mmc_init() the following map is done:
- * (U-boot device node) (Physical Port)
- * mmc0 USDHC1
- * mmc1 USDHC2
- * mmc2 USDHC3
- */
- for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
- switch (i) {
- case 0:
- imx_iomux_v3_setup_multiple_pads(
- usdhc1_pads, ARRAY_SIZE(usdhc1_pads));
- gpio_direction_input(USDHC1_CD_GPIO);
- usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
- break;
- case 1:
- imx_iomux_v3_setup_multiple_pads(
- usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
- gpio_direction_input(USDHC2_CD_GPIO);
- usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
- break;
- case 2:
- imx_iomux_v3_setup_multiple_pads(
- usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
- gpio_direction_input(USDHC3_CD_GPIO);
- usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
- break;
- default:
- printf("Warning: you configured more USDHC controllers"
- "(%d) than supported by the board\n", i + 1);
- return -EINVAL;
- }
-
- ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
- if (ret) {
- printf("Warning: failed to initialize "
- "mmc dev %d\n", i);
- return ret;
- }
+ struct src *src_regs = (struct src *)SRC_BASE_ADDR;
+ u32 val;
+ u32 port;
+
+ val = readl(&src_regs->sbmr1);
+
+ /* Boot from USDHC */
+ port = (val >> 11) & 0x3;
+ switch (port) {
+ case 0:
+ imx_iomux_v3_setup_multiple_pads(usdhc1_pads,
+ ARRAY_SIZE(usdhc1_pads));
+ gpio_direction_input(USDHC1_CD_GPIO);
+ usdhc_cfg[0].esdhc_base = USDHC1_BASE_ADDR;
+ usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
+ break;
+ case 1:
+ imx_iomux_v3_setup_multiple_pads(usdhc2_pads,
+ ARRAY_SIZE(usdhc2_pads));
+ gpio_direction_input(USDHC2_CD_GPIO);
+ usdhc_cfg[0].esdhc_base = USDHC2_BASE_ADDR;
+ usdhc_cfg[0].max_bus_width = 4;
+ usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
+ break;
+ case 2:
+ imx_iomux_v3_setup_multiple_pads(usdhc3_pads,
+ ARRAY_SIZE(usdhc3_pads));
+ gpio_direction_input(USDHC3_CD_GPIO);
+ usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR;
+ usdhc_cfg[0].max_bus_width = 4;
+ usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
+ break;
}
- return 0;
+ gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
+ return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
}
-#ifdef CONFIG_FEC_MXC
-int board_eth_init(bd_t *bis)
-{
- setup_iomux_fec();
+const struct mx6sl_iomux_ddr_regs mx6_ddr_ioregs = {
+ .dram_sdqs0 = 0x00003030,
+ .dram_sdqs1 = 0x00003030,
+ .dram_sdqs2 = 0x00003030,
+ .dram_sdqs3 = 0x00003030,
+ .dram_dqm0 = 0x00000030,
+ .dram_dqm1 = 0x00000030,
+ .dram_dqm2 = 0x00000030,
+ .dram_dqm3 = 0x00000030,
+ .dram_cas = 0x00000030,
+ .dram_ras = 0x00000030,
+ .dram_sdclk_0 = 0x00000028,
+ .dram_reset = 0x00000030,
+ .dram_sdba2 = 0x00000000,
+ .dram_odt0 = 0x00000008,
+ .dram_odt1 = 0x00000008,
+};
- return cpu_eth_init(bis);
-}
+const struct mx6sl_iomux_grp_regs mx6_grp_ioregs = {
+ .grp_b0ds = 0x00000030,
+ .grp_b1ds = 0x00000030,
+ .grp_b2ds = 0x00000030,
+ .grp_b3ds = 0x00000030,
+ .grp_addds = 0x00000030,
+ .grp_ctlds = 0x00000030,
+ .grp_ddrmode_ctl = 0x00020000,
+ .grp_ddrpke = 0x00000000,
+ .grp_ddrmode = 0x00020000,
+ .grp_ddr_type = 0x00080000,
+};
-static int setup_fec(void)
+const struct mx6_mmdc_calibration mx6_mmcd_calib = {
+ .p0_mpdgctrl0 = 0x20000000,
+ .p0_mpdgctrl1 = 0x00000000,
+ .p0_mprddlctl = 0x4241444a,
+ .p0_mpwrdlctl = 0x3030312b,
+ .mpzqlp2ctl = 0x1b4700c7,
+};
+
+static struct mx6_lpddr2_cfg mem_ddr = {
+ .mem_speed = 800,
+ .density = 4,
+ .width = 32,
+ .banks = 8,
+ .rowaddr = 14,
+ .coladdr = 10,
+ .trcd_lp = 2000,
+ .trppb_lp = 2000,
+ .trpab_lp = 2250,
+ .trasmin = 4200,
+};
+
+static void ccgr_init(void)
{
- struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
+ struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
- /* clear gpr1[14], gpr1[18:17] to select anatop clock */
- clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC_MASK, 0);
+ writel(0xFFFFFFFF, &ccm->CCGR0);
+ writel(0xFFFFFFFF, &ccm->CCGR1);
+ writel(0xFFFFFFFF, &ccm->CCGR2);
+ writel(0xFFFFFFFF, &ccm->CCGR3);
+ writel(0xFFFFFFFF, &ccm->CCGR4);
+ writel(0xFFFFFFFF, &ccm->CCGR5);
+ writel(0xFFFFFFFF, &ccm->CCGR6);
- return enable_fec_anatop_clock(ENET_50MHz);
+ writel(0x00260324, &ccm->cbcmr);
}
-#endif
-
-int board_early_init_f(void)
+static void spl_dram_init(void)
{
- setup_iomux_uart();
-#ifdef CONFIG_MXC_SPI
- setup_spi();
-#endif
- return 0;
+ struct mx6_ddr_sysinfo sysinfo = {
+ .dsize = mem_ddr.width / 32,
+ .cs_density = 20,
+ .ncs = 2,
+ .cs1_mirror = 0,
+ .walat = 0,
+ .ralat = 2,
+ .mif3_mode = 3,
+ .bi_on = 1,
+ .rtt_wr = 0, /* LPDDR2 does not need rtt_wr rtt_nom */
+ .rtt_nom = 0,
+ .sde_to_rst = 0, /* LPDDR2 does not need this field */
+ .rst_to_cke = 0x10, /* JEDEC value for LPDDR2: 200us */
+ .ddr_type = DDR_TYPE_LPDDR2,
+ .refsel = 0, /* Refresh cycles at 64KHz */
+ .refr = 3, /* 4 refresh commands per refresh cycle */
+ };
+ mx6sl_dram_iocfg(32, &mx6_ddr_ioregs, &mx6_grp_ioregs);
+ mx6_dram_cfg(&sysinfo, &mx6_mmcd_calib, &mem_ddr);
}
-int board_init(void)
+void board_init_f(ulong dummy)
{
- /* address of boot parameters */
- gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+ /* setup AIPS and disable watchdog */
+ arch_cpu_init();
-#ifdef CONFIG_FEC_MXC
- setup_fec();
-#endif
- return 0;
-}
+ ccgr_init();
-u32 get_board_rev(void)
-{
- return get_cpu_rev();
-}
+ /* iomux and setup of i2c */
+ board_early_init_f();
-int checkboard(void)
-{
- puts("Board: MX6SLEVK\n");
+ /* setup GP timer */
+ timer_init();
- return 0;
+ /* 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);
}
+#endif
projects / u-boot / blobdiff