diff options
Diffstat (limited to 'board/udoo/neo/neo.c')
| -rw-r--r-- | board/udoo/neo/neo.c | 334 |
1 files changed, 245 insertions, 89 deletions
diff --git a/board/udoo/neo/neo.c b/board/udoo/neo/neo.c index 7f17469d9a..688b522ce3 100644 --- a/board/udoo/neo/neo.c +++ b/board/udoo/neo/neo.c @@ -10,6 +10,7 @@ */ #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> @@ -19,10 +20,17 @@ #include <fsl_esdhc.h> #include <asm/arch/crm_regs.h> #include <asm/io.h> +#include <asm/imx-common/mxc_i2c.h> #include <asm/arch/sys_proto.h> #include <spl.h> #include <linux/sizes.h> #include <common.h> +#include <i2c.h> +#include <miiphy.h> +#include <netdev.h> +#include <power/pmic.h> +#include <power/pfuze3000_pmic.h> +#include <malloc.h> DECLARE_GLOBAL_DATA_PTR; @@ -41,6 +49,21 @@ enum { PAD_CTL_PUS_22K_UP | PAD_CTL_SPEED_LOW | \ PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) +#define I2C_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ + PAD_CTL_ODE) + +#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \ + PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) + +#define ENET_CLK_PAD_CTRL (PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_120ohm | PAD_CTL_SRE_FAST) + +#define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_SPEED_MED | PAD_CTL_SRE_FAST) + #define WDOG_PAD_CTRL (PAD_CTL_PUE | PAD_CTL_PKE | PAD_CTL_SPEED_MED | \ PAD_CTL_DSE_40ohm) @@ -56,6 +79,136 @@ int dram_init(void) return 0; } +#ifdef CONFIG_SYS_I2C_MXC +#define PC MUX_PAD_CTRL(I2C_PAD_CTRL) +/* I2C1 for PMIC */ +static struct i2c_pads_info i2c_pad_info1 = { + .scl = { + .i2c_mode = MX6_PAD_GPIO1_IO00__I2C1_SCL | PC, + .gpio_mode = MX6_PAD_GPIO1_IO00__GPIO1_IO_0 | PC, + .gp = IMX_GPIO_NR(1, 0), + }, + .sda = { + .i2c_mode = MX6_PAD_GPIO1_IO01__I2C1_SDA | PC, + .gpio_mode = MX6_PAD_GPIO1_IO01__GPIO1_IO_1 | PC, + .gp = IMX_GPIO_NR(1, 1), + }, +}; +#endif + +#ifdef CONFIG_POWER +int power_init_board(void) +{ + struct pmic *p; + int ret; + unsigned int reg, rev_id; + + ret = power_pfuze3000_init(PFUZE3000_I2C_BUS); + if (ret) + return ret; + + p = pmic_get("PFUZE3000"); + ret = pmic_probe(p); + if (ret) + return ret; + + pmic_reg_read(p, PFUZE3000_DEVICEID, ®); + pmic_reg_read(p, PFUZE3000_REVID, &rev_id); + printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", reg, rev_id); + + /* disable Low Power Mode during standby mode */ + pmic_reg_read(p, PFUZE3000_LDOGCTL, ®); + reg |= 0x1; + ret = pmic_reg_write(p, PFUZE3000_LDOGCTL, reg); + if (ret) + return ret; + + ret = pmic_reg_write(p, PFUZE3000_SW1AMODE, 0xc); + if (ret) + return ret; + + ret = pmic_reg_write(p, PFUZE3000_SW1BMODE, 0xc); + if (ret) + return ret; + + ret = pmic_reg_write(p, PFUZE3000_SW2MODE, 0xc); + if (ret) + return ret; + + ret = pmic_reg_write(p, PFUZE3000_SW3MODE, 0xc); + if (ret) + return ret; + + /* set SW1A standby voltage 0.975V */ + pmic_reg_read(p, PFUZE3000_SW1ASTBY, ®); + reg &= ~0x3f; + reg |= PFUZE3000_SW1AB_SETP(9750); + ret = pmic_reg_write(p, PFUZE3000_SW1ASTBY, reg); + if (ret) + return ret; + + /* set SW1B standby voltage 0.975V */ + pmic_reg_read(p, PFUZE3000_SW1BSTBY, ®); + reg &= ~0x3f; + reg |= PFUZE3000_SW1AB_SETP(9750); + ret = pmic_reg_write(p, PFUZE3000_SW1BSTBY, reg); + if (ret) + return ret; + + /* set SW1A/VDD_ARM_IN step ramp up time from 16us to 4us/25mV */ + pmic_reg_read(p, PFUZE3000_SW1ACONF, ®); + reg &= ~0xc0; + reg |= 0x40; + ret = pmic_reg_write(p, PFUZE3000_SW1ACONF, reg); + if (ret) + return ret; + + /* set SW1B/VDD_SOC_IN step ramp up time from 16us to 4us/25mV */ + pmic_reg_read(p, PFUZE3000_SW1BCONF, ®); + reg &= ~0xc0; + reg |= 0x40; + ret = pmic_reg_write(p, PFUZE3000_SW1BCONF, reg); + if (ret) + return ret; + + /* set VDD_ARM_IN to 1.350V */ + pmic_reg_read(p, PFUZE3000_SW1AVOLT, ®); + reg &= ~0x3f; + reg |= PFUZE3000_SW1AB_SETP(13500); + ret = pmic_reg_write(p, PFUZE3000_SW1AVOLT, reg); + if (ret) + return ret; + + /* set VDD_SOC_IN to 1.350V */ + pmic_reg_read(p, PFUZE3000_SW1BVOLT, ®); + reg &= ~0x3f; + reg |= PFUZE3000_SW1AB_SETP(13500); + ret = pmic_reg_write(p, PFUZE3000_SW1BVOLT, reg); + if (ret) + return ret; + + /* set DDR_1_5V to 1.350V */ + pmic_reg_read(p, PFUZE3000_SW3VOLT, ®); + reg &= ~0x0f; + reg |= PFUZE3000_SW3_SETP(13500); + ret = pmic_reg_write(p, PFUZE3000_SW3VOLT, reg); + if (ret) + return ret; + + /* set VGEN2_1V5 to 1.5V */ + pmic_reg_read(p, PFUZE3000_VLDO2CTL, ®); + reg &= ~0x0f; + reg |= PFUZE3000_VLDO_SETP(15000); + /* enable */ + reg |= 0x10; + ret = pmic_reg_write(p, PFUZE3000_VLDO2CTL, reg); + if (ret) + return ret; + + return 0; +} +#endif + static iomux_v3_cfg_t const uart1_pads[] = { MX6_PAD_GPIO1_IO04__UART1_TX | MUX_PAD_CTRL(UART_PAD_CTRL), MX6_PAD_GPIO1_IO05__UART1_RX | MUX_PAD_CTRL(UART_PAD_CTRL), @@ -74,6 +227,27 @@ static iomux_v3_cfg_t const usdhc2_pads[] = { MX6_PAD_SD1_CMD__GPIO6_IO_1 | MUX_PAD_CTRL(NO_PAD_CTRL), }; +static iomux_v3_cfg_t const fec1_pads[] = { + MX6_PAD_ENET1_MDC__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_MDIO__ENET1_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII1_RX_CTL__ENET1_RX_EN | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX6_PAD_RGMII1_RD0__ENET1_RX_DATA_0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX6_PAD_RGMII1_RD1__ENET1_RX_DATA_1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX6_PAD_RGMII1_TX_CTL__ENET1_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII1_RXC__ENET1_RX_ER | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX6_PAD_RGMII1_TD0__ENET1_TX_DATA_0 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII1_TD1__ENET1_TX_DATA_1 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX6_PAD_ENET2_TX_CLK__GPIO2_IO_9 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX6_PAD_ENET1_CRS__GPIO2_IO_1 | MUX_PAD_CTRL(ENET_PAD_CTRL), +}; + +static iomux_v3_cfg_t const phy_control_pads[] = { + /* 25MHz Ethernet PHY Clock */ + MX6_PAD_ENET2_RX_CLK__ENET2_REF_CLK_25M | + MUX_PAD_CTRL(ENET_CLK_PAD_CTRL), +}; + static iomux_v3_cfg_t const board_recognition_pads[] = { /*Connected to R184*/ MX6_PAD_NAND_READY_B__GPIO4_IO_13 | BOARD_DETECT_PAD_CFG, @@ -81,16 +255,6 @@ static iomux_v3_cfg_t const board_recognition_pads[] = { MX6_PAD_NAND_ALE__GPIO4_IO_0 | BOARD_DETECT_PAD_CFG, }; -static iomux_v3_cfg_t const usdhc3_pads[] = { - /* Configured for WLAN */ - MX6_PAD_SD3_CLK__USDHC3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD3_CMD__USDHC3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD3_DATA0__USDHC3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD3_DATA1__USDHC3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD3_DATA2__USDHC3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD3_DATA3__USDHC3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), -}; - static iomux_v3_cfg_t const wdog_b_pad = { MX6_PAD_GPIO1_IO13__GPIO1_IO_13 | MUX_PAD_CTRL(WDOG_PAD_CTRL), }; @@ -104,6 +268,66 @@ static void setup_iomux_uart(void) imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); } +static int setup_fec(int fec_id) +{ + struct anatop_regs *anatop = (struct anatop_regs *)ANATOP_BASE_ADDR; + int reg; + + imx_iomux_v3_setup_multiple_pads(phy_control_pads, + ARRAY_SIZE(phy_control_pads)); + + /* Reset PHY */ + gpio_direction_output(IMX_GPIO_NR(2, 1) , 0); + udelay(10000); + gpio_set_value(IMX_GPIO_NR(2, 1), 1); + udelay(100); + + reg = readl(&anatop->pll_enet); + reg |= BM_ANADIG_PLL_ENET_REF_25M_ENABLE; + writel(reg, &anatop->pll_enet); + + return enable_fec_anatop_clock(fec_id, ENET_25MHZ); +} + +int board_eth_init(bd_t *bis) +{ + uint32_t base = IMX_FEC_BASE; + struct mii_dev *bus = NULL; + struct phy_device *phydev = NULL; + int ret; + + imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads)); + + setup_fec(CONFIG_FEC_ENET_DEV); + + bus = fec_get_miibus(base, CONFIG_FEC_ENET_DEV); + if (!bus) + return -EINVAL; + + phydev = phy_find_by_mask(bus, (0x1 << CONFIG_FEC_MXC_PHYADDR), + PHY_INTERFACE_MODE_RMII); + if (!phydev) { + free(bus); + return -EINVAL; + } + + ret = fec_probe(bis, CONFIG_FEC_ENET_DEV, base, bus, phydev); + if (ret) { + free(bus); + free(phydev); + return ret; + } + return 0; +} + +int board_phy_config(struct phy_device *phydev) +{ + if (phydev->drv->config) + phydev->drv->config(phydev); + + return 0; +} + int board_init(void) { /* Address of boot parameters */ @@ -125,6 +349,10 @@ int board_init(void) /* Active high for ncp692 */ gpio_direction_output(IMX_GPIO_NR(4, 16) , 1); + #ifdef CONFIG_SYS_I2C_MXC + setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); + #endif + return 0; } @@ -171,94 +399,22 @@ static struct fsl_esdhc_cfg usdhc_cfg[2] = { 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; - } - - return ret; + return !gpio_get_value(USDHC2_CD_GPIO); } int board_mmc_init(bd_t *bis) { -#ifndef CONFIG_SPL_BUILD - int i, ret; - - /* - * According to the board_mmc_init() the following map is done: - * (U-boot device node) (Physical Port) - * mmc0 USDHC2 - */ - for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) { - switch (i) { - case 0: - imx_iomux_v3_setup_multiple_pads( - usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); - usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); - gpio_direction_input(USDHC2_CD_GPIO); - gpio_direction_output(USDHC2_PWR_GPIO, 1); - break; - case 1: - imx_iomux_v3_setup_multiple_pads( - usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); - usdhc_cfg[1].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; - } - } - - return 0; -#else - struct src *src_regs = (struct src *)SRC_BASE_ADDR; - u32 val; - u32 port; - - val = readl(&src_regs->sbmr1); - - if ((val & 0xc0) != 0x40) { - printf("Not boot from USDHC!\n"); - return -EINVAL; - } - - port = (val >> 11) & 0x3; - printf("port %d\n", port); - switch (port) { - case 1: - imx_iomux_v3_setup_multiple_pads( - usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); - usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); - usdhc_cfg[0].esdhc_base = USDHC2_BASE_ADDR; - gpio_direction_input(USDHC2_CD_GPIO); - gpio_direction_output(USDHC2_PWR_GPIO, 1); - break; - case 2: - imx_iomux_v3_setup_multiple_pads( - usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); - usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); - usdhc_cfg[1].esdhc_base = USDHC3_BASE_ADDR; - break; - } + imx_iomux_v3_setup_multiple_pads(usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); + usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); + usdhc_cfg[0].esdhc_base = USDHC2_BASE_ADDR; + gpio_direction_input(USDHC2_CD_GPIO); + gpio_direction_output(USDHC2_PWR_GPIO, 1); gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk; return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); -#endif } -char *board_string(void) +static char *board_string(void) { switch (get_board_value()) { case UDOO_NEO_TYPE_BASIC: |