diff options
Diffstat (limited to 'board/kosagi/novena/novena_spl.c')
| -rw-r--r-- | board/kosagi/novena/novena_spl.c | 584 |
1 files changed, 584 insertions, 0 deletions
diff --git a/board/kosagi/novena/novena_spl.c b/board/kosagi/novena/novena_spl.c new file mode 100644 index 0000000000..c4155ddee2 --- /dev/null +++ b/board/kosagi/novena/novena_spl.c @@ -0,0 +1,584 @@ +/* + * Novena SPL + * + * Copyright (C) 2014 Marek Vasut <marex@denx.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/clock.h> +#include <asm/arch/iomux.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/boot_mode.h> +#include <asm/imx-common/iomux-v3.h> +#include <asm/imx-common/mxc_i2c.h> +#include <i2c.h> +#include <mmc.h> +#include <fsl_esdhc.h> +#include <spl.h> + +#include <asm/arch/mx6-ddr.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define UART_PAD_CTRL \ + (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) + +#define USDHC_PAD_CTRL \ + (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | \ + PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) + +#define ENET_PAD_CTRL \ + (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_HYS) + +#define ENET_PHY_CFG_PAD_CTRL \ + (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_22K_UP | PAD_CTL_HYS) + +#define RGMII_PAD_CTRL \ + (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_100K_UP | PAD_CTL_DSE_40ohm | PAD_CTL_HYS) + +#define SPI_PAD_CTRL \ + (PAD_CTL_HYS | \ + PAD_CTL_PUS_100K_DOWN | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) + +#define I2C_PAD_CTRL \ + (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_LOW | \ + PAD_CTL_DSE_240ohm | PAD_CTL_HYS | \ + PAD_CTL_ODE) + +#define BUTTON_PAD_CTRL \ + (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_HYS) + +#define PC MUX_PAD_CTRL(I2C_PAD_CTRL) + +#define NOVENA_AUDIO_PWRON IMX_GPIO_NR(5, 17) +#define NOVENA_FPGA_RESET_N_GPIO IMX_GPIO_NR(5, 7) +#define NOVENA_HDMI_GHOST_HPD IMX_GPIO_NR(5, 4) +#define NOVENA_PCIE_RESET_GPIO IMX_GPIO_NR(3, 29) +#define NOVENA_PCIE_POWER_ON_GPIO IMX_GPIO_NR(7, 12) +#define NOVENA_PCIE_WAKE_UP_GPIO IMX_GPIO_NR(3, 22) +#define NOVENA_PCIE_DISABLE_GPIO IMX_GPIO_NR(2, 16) + +/* + * Audio + */ +static iomux_v3_cfg_t audio_pads[] = { + /* AUD_PWRON */ + MX6_PAD_DISP0_DAT23__GPIO5_IO17 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +static void novena_spl_setup_iomux_audio(void) +{ + imx_iomux_v3_setup_multiple_pads(audio_pads, ARRAY_SIZE(audio_pads)); + gpio_direction_output(NOVENA_AUDIO_PWRON, 1); +} + +/* + * ENET + */ +static iomux_v3_cfg_t enet_pads1[] = { + MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(RGMII_PAD_CTRL), + MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(RGMII_PAD_CTRL), + MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(RGMII_PAD_CTRL), + MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(RGMII_PAD_CTRL), + MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(RGMII_PAD_CTRL), + MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(RGMII_PAD_CTRL), + MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL), + + /* pin 35, PHY_AD2 */ + MX6_PAD_RGMII_RXC__GPIO6_IO30 | MUX_PAD_CTRL(ENET_PHY_CFG_PAD_CTRL), + /* pin 32, MODE0 */ + MX6_PAD_RGMII_RD0__GPIO6_IO25 | MUX_PAD_CTRL(ENET_PHY_CFG_PAD_CTRL), + /* pin 31, MODE1 */ + MX6_PAD_RGMII_RD1__GPIO6_IO27 | MUX_PAD_CTRL(ENET_PHY_CFG_PAD_CTRL), + /* pin 28, MODE2 */ + MX6_PAD_RGMII_RD2__GPIO6_IO28 | MUX_PAD_CTRL(ENET_PHY_CFG_PAD_CTRL), + /* pin 27, MODE3 */ + MX6_PAD_RGMII_RD3__GPIO6_IO29 | MUX_PAD_CTRL(ENET_PHY_CFG_PAD_CTRL), + /* pin 33, CLK125_EN */ + MX6_PAD_RGMII_RX_CTL__GPIO6_IO24 | MUX_PAD_CTRL(ENET_PHY_CFG_PAD_CTRL), + + /* pin 42 PHY nRST */ + MX6_PAD_EIM_D23__GPIO3_IO23 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +static iomux_v3_cfg_t enet_pads2[] = { + MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(RGMII_PAD_CTRL), + MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(RGMII_PAD_CTRL), + MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(RGMII_PAD_CTRL), + MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(RGMII_PAD_CTRL), + MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(RGMII_PAD_CTRL), + MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(RGMII_PAD_CTRL), +}; + +static void novena_spl_setup_iomux_enet(void) +{ + imx_iomux_v3_setup_multiple_pads(enet_pads1, ARRAY_SIZE(enet_pads1)); + + /* Assert Ethernet PHY nRST */ + gpio_direction_output(IMX_GPIO_NR(3, 23), 0); + + /* + * Use imx6 internal pull-ups to drive PHY mode pins during PHY reset + * de-assertion. The intention is to use weak signal drivers (pull-ups) + * to prevent the conflict between PHY pins becoming outputs after + * reset and imx6 still driving the pins. The issue is described in PHY + * datasheet, p.14 + */ + gpio_direction_input(IMX_GPIO_NR(6, 30)); /* PHY_AD2 = 1 */ + gpio_direction_input(IMX_GPIO_NR(6, 25)); /* MODE0 = 1 */ + gpio_direction_input(IMX_GPIO_NR(6, 27)); /* MODE1 = 1 */ + gpio_direction_input(IMX_GPIO_NR(6, 28)); /* MODE2 = 1 */ + gpio_direction_input(IMX_GPIO_NR(6, 29)); /* MODE3 = 1 */ + gpio_direction_input(IMX_GPIO_NR(6, 24)); /* CLK125_EN = 1 */ + + /* Following reset timing (p.53, fig.8 from the PHY datasheet) */ + mdelay(10); + + /* De-assert Ethernet PHY nRST */ + gpio_set_value(IMX_GPIO_NR(3, 23), 1); + + /* PHY is now configured, connect FEC to the pads */ + imx_iomux_v3_setup_multiple_pads(enet_pads2, ARRAY_SIZE(enet_pads2)); + + /* + * PHY datasheet recommends on p.53 to wait at least 100us after reset + * before using MII, so we enforce the delay here + */ + udelay(100); +} + +/* + * FPGA + */ +static iomux_v3_cfg_t fpga_pads[] = { + /* FPGA_RESET_N */ + MX6_PAD_DISP0_DAT13__GPIO5_IO07 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +static void novena_spl_setup_iomux_fpga(void) +{ + imx_iomux_v3_setup_multiple_pads(fpga_pads, ARRAY_SIZE(fpga_pads)); + gpio_direction_output(NOVENA_FPGA_RESET_N_GPIO, 0); +} + +/* + * GPIO Button + */ +static iomux_v3_cfg_t button_pads[] = { + /* Debug */ + MX6_PAD_KEY_COL4__GPIO4_IO14 | MUX_PAD_CTRL(BUTTON_PAD_CTRL), +}; + +static void novena_spl_setup_iomux_buttons(void) +{ + imx_iomux_v3_setup_multiple_pads(button_pads, ARRAY_SIZE(button_pads)); +} + +/* + * I2C + */ +/* + * I2C1: + * 0x1d ... MMA7455L + * 0x30 ... SO-DIMM temp sensor + * 0x44 ... STMPE610 + * 0x50 ... SO-DIMM ID + */ +struct i2c_pads_info i2c_pad_info0 = { + .scl = { + .i2c_mode = MX6_PAD_EIM_D21__I2C1_SCL | PC, + .gpio_mode = MX6_PAD_EIM_D21__GPIO3_IO21 | PC, + .gp = IMX_GPIO_NR(3, 21) + }, + .sda = { + .i2c_mode = MX6_PAD_EIM_D28__I2C1_SDA | PC, + .gpio_mode = MX6_PAD_EIM_D28__GPIO3_IO28 | PC, + .gp = IMX_GPIO_NR(3, 28) + } +}; + +/* + * I2C2: + * 0x08 ... PMIC + * 0x3a ... HDMI DCC + * 0x50 ... HDMI DCC + */ +static struct i2c_pads_info i2c_pad_info1 = { + .scl = { + .i2c_mode = MX6_PAD_EIM_EB2__I2C2_SCL | PC, + .gpio_mode = MX6_PAD_EIM_EB2__GPIO2_IO30 | PC, + .gp = IMX_GPIO_NR(2, 30) + }, + .sda = { + .i2c_mode = MX6_PAD_EIM_D16__I2C2_SDA | PC, + .gpio_mode = MX6_PAD_EIM_D16__GPIO3_IO16 | PC, + .gp = IMX_GPIO_NR(3, 16) + } +}; + +/* + * I2C3: + * 0x11 ... ES8283 + * 0x50 ... LCD EDID + * 0x56 ... EEPROM + */ +static struct i2c_pads_info i2c_pad_info2 = { + .scl = { + .i2c_mode = MX6_PAD_EIM_D17__I2C3_SCL | PC, + .gpio_mode = MX6_PAD_EIM_D17__GPIO3_IO17 | PC, + .gp = IMX_GPIO_NR(3, 17) + }, + .sda = { + .i2c_mode = MX6_PAD_EIM_D18__I2C3_SDA | PC, + .gpio_mode = MX6_PAD_EIM_D18__GPIO3_IO18 | PC, + .gp = IMX_GPIO_NR(3, 18) + } +}; + +static void novena_spl_setup_iomux_i2c(void) +{ + setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info0); + setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); + setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2); +} + +/* + * PCI express + */ +#ifdef CONFIG_CMD_PCI +static iomux_v3_cfg_t pcie_pads[] = { + /* "Reset" pin */ + MX6_PAD_EIM_D29__GPIO3_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL), + /* "Power on" pin */ + MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL), + /* "Wake up" pin (input) */ + MX6_PAD_EIM_D22__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL), + /* "Disable endpoint" (rfkill) pin */ + MX6_PAD_EIM_A22__GPIO2_IO16 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +static void novena_spl_setup_iomux_pcie(void) +{ + imx_iomux_v3_setup_multiple_pads(pcie_pads, ARRAY_SIZE(pcie_pads)); + + /* Ensure PCIe is powered down */ + gpio_direction_output(NOVENA_PCIE_POWER_ON_GPIO, 0); + + /* Put the card into reset */ + gpio_direction_output(NOVENA_PCIE_RESET_GPIO, 0); + + /* Input signal to wake system from mPCIe card */ + gpio_direction_input(NOVENA_PCIE_WAKE_UP_GPIO); + + /* Drive RFKILL high, to ensure the radio is turned on */ + gpio_direction_output(NOVENA_PCIE_DISABLE_GPIO, 1); +} +#else +static inline void novena_spl_setup_iomux_pcie(void) {} +#endif + +/* + * SDHC + */ +static iomux_v3_cfg_t usdhc2_pads[] = { + MX6_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_GPIO_2__GPIO1_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL), /* WP */ + MX6_PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */ +}; + +static iomux_v3_cfg_t usdhc3_pads[] = { + MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), +}; + +static void novena_spl_setup_iomux_sdhc(void) +{ + imx_iomux_v3_setup_multiple_pads(usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); + imx_iomux_v3_setup_multiple_pads(usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); + + /* Big SD write-protect and card-detect */ + gpio_direction_input(IMX_GPIO_NR(1, 2)); + gpio_direction_input(IMX_GPIO_NR(1, 4)); +} + +/* + * SPI + */ +#ifdef CONFIG_MXC_SPI +static iomux_v3_cfg_t ecspi3_pads[] = { + /* SS1 */ + MX6_PAD_DISP0_DAT1__ECSPI3_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL), + MX6_PAD_DISP0_DAT2__ECSPI3_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL), + MX6_PAD_DISP0_DAT0__ECSPI3_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL), + MX6_PAD_DISP0_DAT3__GPIO4_IO24 | MUX_PAD_CTRL(SPI_PAD_CTRL), + MX6_PAD_DISP0_DAT4__GPIO4_IO25 | MUX_PAD_CTRL(SPI_PAD_CTRL), + MX6_PAD_DISP0_DAT5__GPIO4_IO26 | MUX_PAD_CTRL(SPI_PAD_CTRL), + MX6_PAD_DISP0_DAT7__ECSPI3_RDY | MUX_PAD_CTRL(SPI_PAD_CTRL), +}; + +static void novena_spl_setup_iomux_spi(void) +{ + imx_iomux_v3_setup_multiple_pads(ecspi3_pads, ARRAY_SIZE(ecspi3_pads)); + /* De-assert the nCS */ + gpio_direction_output(MX6_PAD_DISP0_DAT3__GPIO4_IO24, 1); + gpio_direction_output(MX6_PAD_DISP0_DAT4__GPIO4_IO25, 1); + gpio_direction_output(MX6_PAD_DISP0_DAT5__GPIO4_IO26, 1); +} +#else +static void novena_spl_setup_iomux_spi(void) {} +#endif + +/* + * UART + */ +static iomux_v3_cfg_t const uart2_pads[] = { + MX6_PAD_EIM_D26__UART2_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_EIM_D27__UART2_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +static iomux_v3_cfg_t const uart3_pads[] = { + MX6_PAD_EIM_D24__UART3_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_EIM_D25__UART3_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +static iomux_v3_cfg_t const uart4_pads[] = { + MX6_PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_CSI0_DAT16__UART4_CTS_B | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_CSI0_DAT17__UART4_RTS_B | MUX_PAD_CTRL(UART_PAD_CTRL), + +}; + +static void novena_spl_setup_iomux_uart(void) +{ + imx_iomux_v3_setup_multiple_pads(uart2_pads, ARRAY_SIZE(uart2_pads)); + imx_iomux_v3_setup_multiple_pads(uart3_pads, ARRAY_SIZE(uart3_pads)); + imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads)); +} + +/* + * Video + */ +#ifdef CONFIG_VIDEO +static iomux_v3_cfg_t hdmi_pads[] = { + /* "Ghost HPD" pin */ + MX6_PAD_EIM_A24__GPIO5_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +static void novena_spl_setup_iomux_video(void) +{ + imx_iomux_v3_setup_multiple_pads(hdmi_pads, ARRAY_SIZE(hdmi_pads)); + gpio_direction_input(NOVENA_HDMI_GHOST_HPD); +} +#else +static inline void novena_spl_setup_iomux_video(void) {} +#endif + +/* + * SPL boots from uSDHC card + */ +#ifdef CONFIG_FSL_ESDHC +static struct fsl_esdhc_cfg usdhc_cfg = { + USDHC3_BASE_ADDR, 0, 4 +}; + +int board_mmc_getcd(struct mmc *mmc) +{ + /* There is no CD for a microSD card, assume always present. */ + return 1; +} + +int board_mmc_init(bd_t *bis) +{ + usdhc_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); + return fsl_esdhc_initialize(bis, &usdhc_cfg); +} +#endif + +/* Configure MX6Q/DUAL mmdc DDR io registers */ +static struct mx6dq_iomux_ddr_regs novena_ddr_ioregs = { + /* SDCLK[0:1], CAS, RAS, Reset: Differential input, 40ohm */ + .dram_sdclk_0 = 0x00020038, + .dram_sdclk_1 = 0x00020038, + .dram_cas = 0x00000038, + .dram_ras = 0x00000038, + .dram_reset = 0x00000038, + /* SDCKE[0:1]: 100k pull-up */ + .dram_sdcke0 = 0x00003000, + .dram_sdcke1 = 0x00003000, + /* SDBA2: pull-up disabled */ + .dram_sdba2 = 0x00000000, + /* SDODT[0:1]: 100k pull-up, 40 ohm */ + .dram_sdodt0 = 0x00000038, + .dram_sdodt1 = 0x00000038, + /* SDQS[0:7]: Differential input, 40 ohm */ + .dram_sdqs0 = 0x00000038, + .dram_sdqs1 = 0x00000038, + .dram_sdqs2 = 0x00000038, + .dram_sdqs3 = 0x00000038, + .dram_sdqs4 = 0x00000038, + .dram_sdqs5 = 0x00000038, + .dram_sdqs6 = 0x00000038, + .dram_sdqs7 = 0x00000038, + + /* DQM[0:7]: Differential input, 40 ohm */ + .dram_dqm0 = 0x00000038, + .dram_dqm1 = 0x00000038, + .dram_dqm2 = 0x00000038, + .dram_dqm3 = 0x00000038, + .dram_dqm4 = 0x00000038, + .dram_dqm5 = 0x00000038, + .dram_dqm6 = 0x00000038, + .dram_dqm7 = 0x00000038, +}; + +/* Configure MX6Q/DUAL mmdc GRP io registers */ +static struct mx6dq_iomux_grp_regs novena_grp_ioregs = { + /* DDR3 */ + .grp_ddr_type = 0x000c0000, + .grp_ddrmode_ctl = 0x00020000, + /* Disable DDR pullups */ + .grp_ddrpke = 0x00000000, + /* ADDR[00:16], SDBA[0:1]: 40 ohm */ + .grp_addds = 0x00000038, + /* CS0/CS1/SDBA2/CKE0/CKE1/SDWE: 40 ohm */ + .grp_ctlds = 0x00000038, + /* DATA[00:63]: Differential input, 40 ohm */ + .grp_ddrmode = 0x00020000, + .grp_b0ds = 0x00000038, + .grp_b1ds = 0x00000038, + .grp_b2ds = 0x00000038, + .grp_b3ds = 0x00000038, + .grp_b4ds = 0x00000038, + .grp_b5ds = 0x00000038, + .grp_b6ds = 0x00000038, + .grp_b7ds = 0x00000038, +}; + +static struct mx6_mmdc_calibration novena_mmdc_calib = { + /* write leveling calibration determine */ + .p0_mpwldectrl0 = 0x00420048, + .p0_mpwldectrl1 = 0x006f0059, + .p1_mpwldectrl0 = 0x005a0104, + .p1_mpwldectrl1 = 0x01070113, + /* Read DQS Gating calibration */ + .p0_mpdgctrl0 = 0x437c040b, + .p0_mpdgctrl1 = 0x0413040e, + .p1_mpdgctrl0 = 0x444f0446, + .p1_mpdgctrl1 = 0x044d0422, + /* Read Calibration: DQS delay relative to DQ read access */ + .p0_mprddlctl = 0x4c424249, + .p1_mprddlctl = 0x4e48414f, + /* Write Calibration: DQ/DM delay relative to DQS write access */ + .p0_mpwrdlctl = 0x42414641, + .p1_mpwrdlctl = 0x46374b43, +}; + +static struct mx6_ddr_sysinfo novena_ddr_info = { + /* Width of data bus: 0=16, 1=32, 2=64 */ + .dsize = 2, + /* 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, /* RTT_Wr = RZQ/4 */ + .rtt_nom = 2, /* RTT_Nom = RZQ/2 */ + .walat = 3, /* Write additional latency */ + .ralat = 7, /* 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) */ +}; + +static struct mx6_ddr3_cfg elpida_4gib_1600 = { + .mem_speed = 1600, + .density = 4, + .width = 64, + .banks = 8, + .rowaddr = 16, + .coladdr = 10, + .pagesz = 2, + .trcd = 1300, + .trcmin = 4900, + .trasmin = 3590, +}; + +/* + * 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) +{ + /* setup AIPS and disable watchdog */ + arch_cpu_init(); + + /* setup GP timer */ + timer_init(); + +#ifdef CONFIG_BOARD_POSTCLK_INIT + board_postclk_init(); +#endif +#ifdef CONFIG_FSL_ESDHC + get_clocks(); +#endif + + /* Setup IOMUX and configure basics. */ + novena_spl_setup_iomux_audio(); + novena_spl_setup_iomux_buttons(); + novena_spl_setup_iomux_enet(); + novena_spl_setup_iomux_fpga(); + novena_spl_setup_iomux_i2c(); + novena_spl_setup_iomux_pcie(); + novena_spl_setup_iomux_sdhc(); + novena_spl_setup_iomux_spi(); + novena_spl_setup_iomux_uart(); + novena_spl_setup_iomux_video(); + + /* UART clocks enabled and gd valid - init serial console */ + preloader_console_init(); + + /* Start the DDR DRAM */ + mx6dq_dram_iocfg(64, &novena_ddr_ioregs, &novena_grp_ioregs); + mx6_dram_cfg(&novena_ddr_info, &novena_mmdc_calib, &elpida_4gib_1600); + + /* 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) +{ +} |
