diff options
Diffstat (limited to 'board/barco')
-rw-r--r-- | board/barco/platinum/Kconfig | 37 | ||||
-rw-r--r-- | board/barco/platinum/MAINTAINERS | 7 | ||||
-rw-r--r-- | board/barco/platinum/Makefile | 14 | ||||
-rw-r--r-- | board/barco/platinum/platinum.c | 217 | ||||
-rw-r--r-- | board/barco/platinum/platinum.h | 88 | ||||
-rw-r--r-- | board/barco/platinum/platinum_picon.c | 244 | ||||
-rw-r--r-- | board/barco/platinum/platinum_titanium.c | 209 | ||||
-rw-r--r-- | board/barco/platinum/spl_picon.c | 182 | ||||
-rw-r--r-- | board/barco/platinum/spl_titanium.c | 185 |
9 files changed, 1183 insertions, 0 deletions
diff --git a/board/barco/platinum/Kconfig b/board/barco/platinum/Kconfig new file mode 100644 index 0000000000..8bbad24c0d --- /dev/null +++ b/board/barco/platinum/Kconfig @@ -0,0 +1,37 @@ +if TARGET_PLATINUM_PICON + +config SYS_CPU + default "armv7" + +config SYS_VENDOR + default "barco" + +config SYS_SOC + default "mx6" + +config SYS_BOARD + default "platinum" + +config SYS_CONFIG_NAME + default "platinum_picon" + +endif + +if TARGET_PLATINUM_TITANIUM + +config SYS_CPU + default "armv7" + +config SYS_VENDOR + default "barco" + +config SYS_SOC + default "mx6" + +config SYS_BOARD + default "platinum" + +config SYS_CONFIG_NAME + default "platinum_titanium" + +endif diff --git a/board/barco/platinum/MAINTAINERS b/board/barco/platinum/MAINTAINERS new file mode 100644 index 0000000000..a22584b5e5 --- /dev/null +++ b/board/barco/platinum/MAINTAINERS @@ -0,0 +1,7 @@ +PLATINUM BOARD +M: Stefan Roese <sr@denx.de> +S: Maintained +F: board/barco/platinum/ +F: include/configs/platinum.h +F: configs/platinum_picon_defconfig +F: configs/platinum_titanium_defconfig diff --git a/board/barco/platinum/Makefile b/board/barco/platinum/Makefile new file mode 100644 index 0000000000..abc941914a --- /dev/null +++ b/board/barco/platinum/Makefile @@ -0,0 +1,14 @@ +# +# Copyright (C) 2014, Barco (www.barco.com) +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y := platinum.o +obj-$(CONFIG_TARGET_PLATINUM_PICON) += platinum_picon.o +obj-$(CONFIG_TARGET_PLATINUM_TITANIUM) += platinum_titanium.o + +ifneq ($(CONFIG_SPL_BUILD),) +obj-$(CONFIG_TARGET_PLATINUM_PICON) += spl_picon.o +obj-$(CONFIG_TARGET_PLATINUM_TITANIUM) += spl_titanium.o +endif diff --git a/board/barco/platinum/platinum.c b/board/barco/platinum/platinum.c new file mode 100644 index 0000000000..1485a4856f --- /dev/null +++ b/board/barco/platinum/platinum.c @@ -0,0 +1,217 @@ +/* + * Copyright (C) 2014, Barco (www.barco.com) + * Copyright (C) 2014 Stefan Roese <sr@denx.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <mmc.h> +#include <fsl_esdhc.h> +#include <miiphy.h> +#include <netdev.h> +#include <asm/io.h> +#include <asm/arch/clock.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/iomux.h> +#include <asm/arch/mx6-pins.h> +#include <asm/arch/crm_regs.h> +#include <asm/arch/sys_proto.h> +#include <asm/gpio.h> +#include <asm/imx-common/iomux-v3.h> +#include <asm/imx-common/boot_mode.h> + +#include "platinum.h" + +DECLARE_GLOBAL_DATA_PTR; + +iomux_v3_cfg_t const 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), + MX6_PAD_SD3_DAT5__GPIO7_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */ +}; + +iomux_v3_cfg_t nfc_pads[] = { + MX6_PAD_NANDF_CLE__NAND_CLE | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_NANDF_ALE__NAND_ALE | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_NANDF_WP_B__NAND_WP_B | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_NANDF_RB0__NAND_READY_B | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_NANDF_CS0__NAND_CE0_B | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_NANDF_CS1__NAND_CE1_B | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_NANDF_CS2__NAND_CE2_B | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_NANDF_CS3__NAND_CE3_B | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_SD4_CMD__NAND_RE_B | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_SD4_CLK__NAND_WE_B | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_NANDF_D0__NAND_DATA00 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_NANDF_D1__NAND_DATA01 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_NANDF_D2__NAND_DATA02 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_NANDF_D3__NAND_DATA03 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_NANDF_D4__NAND_DATA04 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_NANDF_D5__NAND_DATA05 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_NANDF_D6__NAND_DATA06 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_NANDF_D7__NAND_DATA07 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_SD4_DAT0__NAND_DQS | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +struct fsl_esdhc_cfg usdhc_cfg[] = { + { USDHC3_BASE_ADDR }, +}; + +void setup_gpmi_nand(void) +{ + struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; + + /* config gpmi nand iomux */ + imx_iomux_v3_setup_multiple_pads(nfc_pads, ARRAY_SIZE(nfc_pads)); + + /* config gpmi and bch clock to 100 MHz */ + clrsetbits_le32(&mxc_ccm->cs2cdr, + MXC_CCM_CS2CDR_ENFC_CLK_PODF_MASK | + MXC_CCM_CS2CDR_ENFC_CLK_PRED_MASK | + MXC_CCM_CS2CDR_ENFC_CLK_SEL_MASK, + MXC_CCM_CS2CDR_ENFC_CLK_PODF(0) | + MXC_CCM_CS2CDR_ENFC_CLK_PRED(3) | + MXC_CCM_CS2CDR_ENFC_CLK_SEL(3)); + + /* enable gpmi and bch clock gating */ + setbits_le32(&mxc_ccm->CCGR4, + MXC_CCM_CCGR4_RAWNAND_U_BCH_INPUT_APB_MASK | + MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_BCH_MASK | + MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_GPMI_IO_MASK | + MXC_CCM_CCGR4_RAWNAND_U_GPMI_INPUT_APB_MASK | + MXC_CCM_CCGR4_PL301_MX6QPER1_BCH_OFFSET); + + /* enable apbh clock gating */ + setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK); +} + +int dram_init(void) +{ + gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE); + + return 0; +} + +int board_ehci_hcd_init(int port) +{ + return 0; +} + +int board_mmc_getcd(struct mmc *mmc) +{ + struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; + + if (cfg->esdhc_base == usdhc_cfg[0].esdhc_base) { + unsigned sd3_cd = IMX_GPIO_NR(7, 0); + gpio_direction_input(sd3_cd); + return !gpio_get_value(sd3_cd); + } + + return 0; +} + +int board_mmc_init(bd_t *bis) +{ + imx_iomux_v3_setup_multiple_pads(usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); + usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); + + return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); +} + +void board_init_gpio(void) +{ + platinum_init_gpio(); +} + +void board_init_gpmi_nand(void) +{ + setup_gpmi_nand(); +} + +void board_init_i2c(void) +{ + platinum_setup_i2c(); +} + +void board_init_spi(void) +{ + platinum_setup_spi(); +} + +void board_init_uart(void) +{ + platinum_setup_uart(); +} + +void board_init_usb(void) +{ + platinum_init_usb(); +} + +void board_init_finished(void) +{ + platinum_init_finished(); +} + +int board_phy_config(struct phy_device *phydev) +{ + return platinum_phy_config(phydev); +} + +int board_eth_init(bd_t *bis) +{ + return cpu_eth_init(bis); +} + +int board_early_init_f(void) +{ + board_init_uart(); + + return 0; +} + +int board_init(void) +{ + /* address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + + board_init_spi(); + + board_init_i2c(); + + board_init_gpmi_nand(); + + board_init_gpio(); + + board_init_usb(); + + board_init_finished(); + + return 0; +} + +int checkboard(void) +{ + puts("Board: " CONFIG_PLATINUM_BOARD "\n"); + return 0; +} + +static const struct boot_mode board_boot_modes[] = { + /* NAND */ + { "nand", MAKE_CFGVAL(0x80, 0x02, 0x00, 0x00) }, + /* 4 bit bus width */ + { "mmc0", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00) }, + { "mmc1", MAKE_CFGVAL(0x40, 0x38, 0x00, 0x00) }, + { NULL, 0 }, +}; + +int misc_init_r(void) +{ + add_board_boot_modes(board_boot_modes); + + return 0; +} diff --git a/board/barco/platinum/platinum.h b/board/barco/platinum/platinum.h new file mode 100644 index 0000000000..8650d6d5e0 --- /dev/null +++ b/board/barco/platinum/platinum.h @@ -0,0 +1,88 @@ +/* + * Copyright (C) 2014 Stefan Roese <sr@denx.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _PLATINUM_H_ +#define _PLATINUM_H_ + +#include <miiphy.h> +#include <asm/arch/crm_regs.h> + +/* Defines */ + +#define ECSPI1_PAD_CLK (PAD_CTL_SRE_SLOW | PAD_CTL_PUS_100K_DOWN | \ + PAD_CTL_SPEED_LOW | PAD_CTL_DSE_40ohm | \ + PAD_CTL_HYS) +#define ECSPI2_PAD_CLK (PAD_CTL_SRE_FAST | PAD_CTL_PUS_100K_DOWN | \ + PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ + PAD_CTL_HYS) +#define ECSPI_PAD_MOSI (PAD_CTL_SRE_SLOW | PAD_CTL_PUS_100K_DOWN | \ + PAD_CTL_SPEED_LOW | PAD_CTL_DSE_120ohm | \ + PAD_CTL_HYS) +#define ECSPI_PAD_MISO (PAD_CTL_SRE_FAST | PAD_CTL_PUS_100K_DOWN | \ + PAD_CTL_SPEED_LOW | PAD_CTL_DSE_40ohm | \ + PAD_CTL_HYS) +#define ECSPI_PAD_SS (PAD_CTL_SRE_SLOW | PAD_CTL_PUS_100K_UP | \ + PAD_CTL_SPEED_LOW | PAD_CTL_DSE_120ohm | \ + PAD_CTL_HYS) + +#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_HYS) + +#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_PAD_CTRL_SCL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_LOW | \ + PAD_CTL_DSE_80ohm | PAD_CTL_HYS | \ + PAD_CTL_ODE | PAD_CTL_SRE_SLOW) + +#define UART_PAD_CTRL (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_PUS_47K_UP | PAD_CTL_SPEED_LOW | \ + PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | \ + PAD_CTL_HYS) + + +#define PC MUX_PAD_CTRL(I2C_PAD_CTRL) +#define PC_SCL MUX_PAD_CTRL(I2C_PAD_CTRL_SCL) + +/* Prototypes */ + +int platinum_setup_enet(void); +int platinum_setup_i2c(void); +int platinum_setup_spi(void); +int platinum_setup_uart(void); +int platinum_phy_config(struct phy_device *phydev); +int platinum_init_gpio(void); +int platinum_init_usb(void); +int platinum_init_finished(void); + +static inline 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 inline 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]); +} + +#endif /* _PLATINUM_H_ */ diff --git a/board/barco/platinum/platinum_picon.c b/board/barco/platinum/platinum_picon.c new file mode 100644 index 0000000000..b2eab766c5 --- /dev/null +++ b/board/barco/platinum/platinum_picon.c @@ -0,0 +1,244 @@ +/* + * Copyright (C) 2014, Barco (www.barco.com) + * Copyright (C) 2014 Stefan Roese <sr@denx.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/gpio.h> +#include <asm/io.h> +#include <asm/arch/clock.h> +#include <asm/arch/iomux.h> +#include <asm/arch/mx6-pins.h> +#include <asm/imx-common/iomux-v3.h> +#include <asm/imx-common/mxc_i2c.h> +#include <i2c.h> +#include <miiphy.h> + +#include "platinum.h" + +#define GPIO_IP_NCONFIG IMX_GPIO_NR(5, 18) +#define GPIO_HK_NCONFIG IMX_GPIO_NR(7, 13) +#define GPIO_LS_NCONFIG IMX_GPIO_NR(5, 19) + +#define GPIO_I2C0_SEL0 IMX_GPIO_NR(5, 2) +#define GPIO_I2C0_SEL1 IMX_GPIO_NR(1, 11) +#define GPIO_I2C0_ENBN IMX_GPIO_NR(1, 13) + +#define GPIO_I2C2_SEL0 IMX_GPIO_NR(1, 17) +#define GPIO_I2C2_SEL1 IMX_GPIO_NR(1, 20) +#define GPIO_I2C2_ENBN IMX_GPIO_NR(1, 14) + +#define GPIO_USB_RESET IMX_GPIO_NR(1, 5) + +iomux_v3_cfg_t const ecspi1_pads[] = { + MX6_PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(ECSPI1_PAD_CLK), + MX6_PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(ECSPI_PAD_MISO), + MX6_PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(ECSPI_PAD_MOSI), + MX6_PAD_CSI0_DAT7__ECSPI1_SS0 | MUX_PAD_CTRL(ECSPI_PAD_SS), + MX6_PAD_EIM_D24__ECSPI1_SS2 | MUX_PAD_CTRL(ECSPI_PAD_SS), + MX6_PAD_EIM_D25__ECSPI1_SS3 | MUX_PAD_CTRL(ECSPI_PAD_SS), +}; + +iomux_v3_cfg_t const ecspi2_pads[] = { + MX6_PAD_EIM_CS0__ECSPI2_SCLK | MUX_PAD_CTRL(ECSPI2_PAD_CLK), + MX6_PAD_EIM_OE__ECSPI2_MISO | MUX_PAD_CTRL(ECSPI_PAD_MISO), + MX6_PAD_EIM_CS1__ECSPI2_MOSI | MUX_PAD_CTRL(ECSPI_PAD_MOSI), + MX6_PAD_EIM_RW__ECSPI2_SS0 | MUX_PAD_CTRL(ECSPI_PAD_SS), + MX6_PAD_EIM_LBA__ECSPI2_SS1 | MUX_PAD_CTRL(ECSPI_PAD_SS), +}; + +iomux_v3_cfg_t const enet_pads[] = { + 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_ENET_CRS_DV__ENET_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_GPIO_16__ENET_REF_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET_RX_ER__ENET_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET_RXD0__ENET_RX_DATA0 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET_RXD1__ENET_RX_DATA1 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET_TX_EN__ENET_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET_TXD0__ENET_TX_DATA0 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET_TXD1__ENET_TX_DATA1 | MUX_PAD_CTRL(ENET_PAD_CTRL), +}; + +/* PHY nRESET */ +iomux_v3_cfg_t const phy_reset_pad = { + MX6_PAD_SD1_DAT2__GPIO1_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +iomux_v3_cfg_t const uart1_pads[] = { + MX6_PAD_SD3_DAT6__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_SD3_DAT7__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +iomux_v3_cfg_t const uart4_pads[] = { + MX6_PAD_CSI0_DAT12__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_CSI0_DAT13__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_CSI0_DAT16__UART4_RTS_B | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_CSI0_DAT17__UART4_CTS_B | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +iomux_v3_cfg_t const uart5_pads[] = { + MX6_PAD_CSI0_DAT14__UART5_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_CSI0_DAT15__UART5_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_CSI0_DAT18__UART5_RTS_B | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_CSI0_DAT19__UART5_CTS_B | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +iomux_v3_cfg_t const i2c0_mux_pads[] = { + MX6_PAD_EIM_A25__GPIO5_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_SD2_CMD__GPIO1_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_SD2_DAT2__GPIO1_IO13 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +iomux_v3_cfg_t const i2c2_mux_pads[] = { + MX6_PAD_SD1_DAT1__GPIO1_IO17 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_SD1_CLK__GPIO1_IO20 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_SD2_DAT1__GPIO1_IO14 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +struct i2c_pads_info i2c_pad_info0 = { + .scl = { + .i2c_mode = MX6_PAD_CSI0_DAT9__I2C1_SCL | PC_SCL, + .gpio_mode = MX6_PAD_CSI0_DAT9__GPIO5_IO27 | PC_SCL, + .gp = IMX_GPIO_NR(5, 27) + }, + .sda = { + .i2c_mode = MX6_PAD_CSI0_DAT8__I2C1_SDA | PC, + .gpio_mode = MX6_PAD_CSI0_DAT8__GPIO5_IO26 | PC, + .gp = IMX_GPIO_NR(5, 26) + } +}; + +struct i2c_pads_info i2c_pad_info2 = { + .scl = { + .i2c_mode = MX6_PAD_GPIO_3__I2C3_SCL | PC_SCL, + .gpio_mode = MX6_PAD_GPIO_3__GPIO1_IO03 | PC_SCL, + .gp = IMX_GPIO_NR(1, 3) + }, + .sda = { + .i2c_mode = MX6_PAD_GPIO_6__I2C3_SDA | PC, + .gpio_mode = MX6_PAD_GPIO_6__GPIO1_IO06 | PC, + .gp = IMX_GPIO_NR(1, 6) + } +}; + +/* + * This enet related pin-muxing and GPIO handling is done + * in SPL U-Boot. For early initialization. And to give the + * PHY some time to come out of reset before the U-Boot + * ethernet driver tries to access its registers via MDIO. + */ +int platinum_setup_enet(void) +{ + struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; + unsigned phy_reset = IMX_GPIO_NR(1, 19); + + /* First configure PHY reset GPIO pin */ + imx_iomux_v3_setup_pad(phy_reset_pad); + + /* Reconfigure enet muxing while PHY is in reset */ + gpio_direction_output(phy_reset, 0); + imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads)); + mdelay(10); + gpio_set_value(phy_reset, 1); + udelay(100); + + /* set GPIO_16 as ENET_REF_CLK_OUT */ + setbits_le32(&iomux->gpr[1], IOMUXC_GPR1_ENET_CLK_SEL_MASK); + + return enable_fec_anatop_clock(ENET_50MHZ); +} + +int platinum_setup_i2c(void) +{ + imx_iomux_v3_setup_multiple_pads(i2c0_mux_pads, + ARRAY_SIZE(i2c0_mux_pads)); + imx_iomux_v3_setup_multiple_pads(i2c2_mux_pads, + ARRAY_SIZE(i2c2_mux_pads)); + + mdelay(10); + + /* Disable i2c mux 0 */ + gpio_direction_output(GPIO_I2C0_SEL0, 0); + gpio_direction_output(GPIO_I2C0_SEL1, 0); + gpio_direction_output(GPIO_I2C0_ENBN, 1); + + /* Disable i2c mux 1 */ + gpio_direction_output(GPIO_I2C2_SEL0, 0); + gpio_direction_output(GPIO_I2C2_SEL1, 0); + gpio_direction_output(GPIO_I2C2_ENBN, 1); + + udelay(10); + + setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info0); + setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2); + + /* Disable all leds */ + i2c_set_bus_num(0); + i2c_reg_write(0x60, 0x05, 0x55); + + return 0; +} + +int platinum_setup_spi(void) +{ + imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads)); + imx_iomux_v3_setup_multiple_pads(ecspi2_pads, ARRAY_SIZE(ecspi2_pads)); + + return 0; +} + +int platinum_setup_uart(void) +{ + imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); + imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads)); + imx_iomux_v3_setup_multiple_pads(uart5_pads, ARRAY_SIZE(uart5_pads)); + + return 0; +} + +int platinum_phy_config(struct phy_device *phydev) +{ + /* Use generic infrastructure, no specific setup */ + if (phydev->drv->config) + phydev->drv->config(phydev); + + return 0; +} + +int platinum_init_gpio(void) +{ + /* Reset FPGA's */ + gpio_direction_output(GPIO_IP_NCONFIG, 0); + gpio_direction_output(GPIO_HK_NCONFIG, 0); + gpio_direction_output(GPIO_LS_NCONFIG, 0); + udelay(3); + gpio_set_value(GPIO_IP_NCONFIG, 1); + gpio_set_value(GPIO_HK_NCONFIG, 1); + gpio_set_value(GPIO_LS_NCONFIG, 1); + + /* no dmd configuration yet */ + + return 0; +} + +int platinum_init_usb(void) +{ + /* Reset usb hub */ + gpio_direction_output(GPIO_USB_RESET, 0); + udelay(100); + gpio_set_value(GPIO_USB_RESET, 1); + + return 0; +} + +int platinum_init_finished(void) +{ + /* Enable led 0 */ + i2c_set_bus_num(0); + i2c_reg_write(0x60, 0x05, 0x54); + + return 0; +} diff --git a/board/barco/platinum/platinum_titanium.c b/board/barco/platinum/platinum_titanium.c new file mode 100644 index 0000000000..73a955f019 --- /dev/null +++ b/board/barco/platinum/platinum_titanium.c @@ -0,0 +1,209 @@ +/* + * Copyright (C) 2014, Barco (www.barco.com) + * Copyright (C) 2014 Stefan Roese <sr@denx.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/arch/iomux.h> +#include <asm/arch/mx6-pins.h> +#include <asm/gpio.h> +#include <asm/imx-common/iomux-v3.h> +#include <asm/imx-common/mxc_i2c.h> +#include <miiphy.h> +#include <micrel.h> + +#include "platinum.h" + +iomux_v3_cfg_t const ecspi1_pads[] = { + MX6_PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(ECSPI1_PAD_CLK), + MX6_PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(ECSPI_PAD_MISO), + MX6_PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(ECSPI_PAD_MOSI), + MX6_PAD_CSI0_DAT7__ECSPI1_SS0 | MUX_PAD_CTRL(ECSPI_PAD_SS), + /* non mounted spi nor flash for booting */ + MX6_PAD_EIM_D19__ECSPI1_SS1 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_EIM_D24__ECSPI1_SS2 | MUX_PAD_CTRL(ECSPI_PAD_SS), + MX6_PAD_EIM_D25__ECSPI1_SS3 | MUX_PAD_CTRL(ECSPI_PAD_SS), +}; + +iomux_v3_cfg_t const ecspi2_pads[] = { + MX6_PAD_EIM_CS0__ECSPI2_SCLK | MUX_PAD_CTRL(ECSPI2_PAD_CLK), + MX6_PAD_EIM_OE__ECSPI2_MISO | MUX_PAD_CTRL(ECSPI_PAD_MISO), + MX6_PAD_EIM_CS1__ECSPI2_MOSI | MUX_PAD_CTRL(ECSPI_PAD_MOSI), + MX6_PAD_EIM_RW__ECSPI2_SS0 | MUX_PAD_CTRL(ECSPI_PAD_SS), +}; + +iomux_v3_cfg_t const 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(ENET_PAD_CTRL), + MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL), + /* pin 35 - 1 (PHY_AD2) on reset */ + MX6_PAD_RGMII_RXC__GPIO6_IO30 | MUX_PAD_CTRL(NO_PAD_CTRL), + /* pin 32 - 1 - (MODE0) all */ + MX6_PAD_RGMII_RD0__GPIO6_IO25 | MUX_PAD_CTRL(NO_PAD_CTRL), + /* pin 31 - 1 - (MODE1) all */ + MX6_PAD_RGMII_RD1__GPIO6_IO27 | MUX_PAD_CTRL(NO_PAD_CTRL), + /* pin 28 - 1 - (MODE2) all */ + MX6_PAD_RGMII_RD2__GPIO6_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL), + /* pin 27 - 1 - (MODE3) all */ + MX6_PAD_RGMII_RD3__GPIO6_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL), + /* pin 33 - 1 - (CLK125_EN) 125Mhz clockout enabled */ + MX6_PAD_RGMII_RX_CTL__GPIO6_IO24 | MUX_PAD_CTRL(NO_PAD_CTRL), + /* pin 42 PHY nRST */ + MX6_PAD_EIM_D23__GPIO3_IO23 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +iomux_v3_cfg_t const enet_pads2[] = { + MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), +}; + +iomux_v3_cfg_t const uart1_pads[] = { + MX6_PAD_SD3_DAT6__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_SD3_DAT7__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +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), + MX6_PAD_EIM_D28__UART2_DTE_CTS_B | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_EIM_D29__UART2_RTS_B | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +iomux_v3_cfg_t const uart4_pads[] = { + MX6_PAD_CSI0_DAT12__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_CSI0_DAT13__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_CSI0_DAT16__UART4_RTS_B | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_CSI0_DAT17__UART4_CTS_B | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +struct i2c_pads_info i2c_pad_info0 = { + .scl = { + .i2c_mode = MX6_PAD_CSI0_DAT9__I2C1_SCL | PC_SCL, + .gpio_mode = MX6_PAD_CSI0_DAT9__GPIO5_IO27 | PC_SCL, + .gp = IMX_GPIO_NR(5, 27) + }, + .sda = { + .i2c_mode = MX6_PAD_CSI0_DAT8__I2C1_SDA | PC, + .gpio_mode = MX6_PAD_CSI0_DAT8__GPIO5_IO26 | PC, + .gp = IMX_GPIO_NR(5, 26) + } +}; + +struct i2c_pads_info i2c_pad_info2 = { + .scl = { + .i2c_mode = MX6_PAD_GPIO_3__I2C3_SCL | PC_SCL, + .gpio_mode = MX6_PAD_GPIO_3__GPIO1_IO03 | PC_SCL, + .gp = IMX_GPIO_NR(1, 3) + }, + .sda = { + .i2c_mode = MX6_PAD_GPIO_6__I2C3_SDA | PC, + .gpio_mode = MX6_PAD_GPIO_16__GPIO7_IO11 | PC, + .gp = IMX_GPIO_NR(7, 11) + } +}; + +/* + * This enet related pin-muxing and GPIO handling is done + * in SPL U-Boot. For early initialization. And to give the + * PHY some time to come out of reset before the U-Boot + * ethernet driver tries to access its registers via MDIO. + */ +int platinum_setup_enet(void) +{ + gpio_direction_output(IMX_GPIO_NR(3, 23), 0); + gpio_direction_output(IMX_GPIO_NR(6, 30), 1); + gpio_direction_output(IMX_GPIO_NR(6, 25), 1); + gpio_direction_output(IMX_GPIO_NR(6, 27), 1); + gpio_direction_output(IMX_GPIO_NR(6, 28), 1); + gpio_direction_output(IMX_GPIO_NR(6, 29), 1); + imx_iomux_v3_setup_multiple_pads(enet_pads1, ARRAY_SIZE(enet_pads1)); + gpio_direction_output(IMX_GPIO_NR(6, 24), 1); + + /* Need delay 10ms according to KSZ9021 spec */ + mdelay(10); + gpio_set_value(IMX_GPIO_NR(3, 23), 1); + udelay(100); + + imx_iomux_v3_setup_multiple_pads(enet_pads2, ARRAY_SIZE(enet_pads2)); + + return 0; +} + +int platinum_setup_i2c(void) +{ + setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info0); + setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2); + + return 0; +} + +int platinum_setup_spi(void) +{ + imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads)); + imx_iomux_v3_setup_multiple_pads(ecspi2_pads, ARRAY_SIZE(ecspi2_pads)); + + return 0; +} + +int platinum_setup_uart(void) +{ + imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); + imx_iomux_v3_setup_multiple_pads(uart2_pads, ARRAY_SIZE(uart2_pads)); + imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads)); + + return 0; +} + +int platinum_phy_config(struct phy_device *phydev) +{ + /* min rx data delay */ + ksz9021_phy_extended_write(phydev, MII_KSZ9021_EXT_RGMII_RX_DATA_SKEW, + 0x0); + /* min tx data delay */ + ksz9021_phy_extended_write(phydev, MII_KSZ9021_EXT_RGMII_TX_DATA_SKEW, + 0x0); + /* max rx/tx clock delay, min rx/tx control */ + ksz9021_phy_extended_write(phydev, MII_KSZ9021_EXT_RGMII_CLOCK_SKEW, + 0xf0f0); + if (phydev->drv->config) + phydev->drv->config(phydev); + + return 0; +} + +int platinum_init_gpio(void) +{ + /* Default GPIO's */ + /* Toggle CONFIG_n to reset fpga on every boot */ + gpio_direction_output(IMX_GPIO_NR(5, 18), 0); + /* Need delay >=2uS */ + udelay(3); + gpio_set_value(IMX_GPIO_NR(5, 18), 1); + + /* Default pin 1,15 high - DLP_FLASH_WPZ */ + gpio_direction_output(IMX_GPIO_NR(1, 15), 1); + + return 0; +} + +int platinum_init_usb(void) +{ + return 0; +} + +int platinum_init_finished(void) +{ + return 0; +} diff --git a/board/barco/platinum/spl_picon.c b/board/barco/platinum/spl_picon.c new file mode 100644 index 0000000000..f421c2108c --- /dev/null +++ b/board/barco/platinum/spl_picon.c @@ -0,0 +1,182 @@ +/* + * Copyright (C) 2014 Stefan Roese <sr@denx.de> + * + * Based on: gw_ventana_spl.c which is: + * Copyright (C) 2014 Gateworks Corporation + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <i2c.h> +#include <asm/io.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/imx-common/boot_mode.h> +#include <asm/imx-common/iomux-v3.h> +#include <asm/imx-common/mxc_i2c.h> +#include <spl.h> + +#include "platinum.h" + +DECLARE_GLOBAL_DATA_PTR; + +#undef RTT_NOM_120OHM /* use 120ohm Rtt_nom vs 60ohm (lower power) */ + +/* Configure MX6Q/DUAL mmdc DDR io registers */ +struct mx6sdl_iomux_ddr_regs mx6sdl_ddr_ioregs = { + /* SDCLK[0:1], CAS, RAS, Reset: Differential input, 40ohm */ + .dram_sdclk_0 = 0x00020030, + .dram_sdclk_1 = 0x00020030, + .dram_cas = 0x00020030, + .dram_ras = 0x00020030, + .dram_reset = 0x00020030, + /* 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 = 0x00003030, + .dram_sdodt1 = 0x00003030, + /* SDQS[0:7]: Differential input, 40 ohm */ + .dram_sdqs0 = 0x00000030, + .dram_sdqs1 = 0x00000030, + .dram_sdqs2 = 0x00000030, + .dram_sdqs3 = 0x00000030, + .dram_sdqs4 = 0x00000030, + .dram_sdqs5 = 0x00000030, + .dram_sdqs6 = 0x00000030, + .dram_sdqs7 = 0x00000030, + /* DQM[0:7]: Differential input, 40 ohm */ + .dram_dqm0 = 0x00020030, + .dram_dqm1 = 0x00020030, + .dram_dqm2 = 0x00020030, + .dram_dqm3 = 0x00020030, + .dram_dqm4 = 0x00020030, + .dram_dqm5 = 0x00020030, + .dram_dqm6 = 0x00020030, + .dram_dqm7 = 0x00020030, +}; + +/* Configure MX6Q/DUAL mmdc GRP io registers */ +struct mx6sdl_iomux_grp_regs mx6sdl_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 = 0x00000030, + /* CS0/CS1/SDBA2/CKE0/CKE1/SDWE: 40 ohm */ + .grp_ctlds = 0x00000030, + /* DATA[00:63]: Differential input, 40 ohm */ + .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, +}; + +/* MT41K256M16HA-125 */ +static struct mx6_ddr3_cfg mt41k256m16ha_125 = { + .mem_speed = 1600, + .density = 4, /* 4Gbit */ + .width = 16, + .banks = 8, + .rowaddr = 15, + .coladdr = 10, + .pagesz = 2, + .trcd = 1375, + .trcmin = 4875, + .trasmin = 3500, +}; + +/* + * Values from running the Freescale DDR stress tool via USB + */ +static struct mx6_mmdc_calibration mx6dq_mmdc_calib = { + /* write leveling calibration determine */ + .p0_mpwldectrl0 = 0x0044004E, + .p0_mpwldectrl1 = 0x001F0023, + /* Read DQS Gating calibration */ + .p0_mpdgctrl0 = 0x02480248, + .p0_mpdgctrl1 = 0x0210021C, + /* Read Calibration: DQS delay relative to DQ read access */ + .p0_mprddlctl = 0x42444444, + /* Write Calibration: DQ/DM delay relative to DQS write access */ + .p0_mpwrdlctl = 0x36322C32, +}; + +static void spl_dram_init(int width) +{ + struct mx6_ddr3_cfg *mem = &mt41k256m16ha_125; + 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 = 1, + .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 = 0, /* 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) */ + }; + + mx6sdl_dram_iocfg(width, &mx6sdl_ddr_ioregs, &mx6sdl_grp_ioregs); + mx6_dram_cfg(&sysinfo, &mx6dq_mmdc_calib, mem); +} + +/* + * 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(); + + ccgr_init(); + gpr_init(); + + /* UART iomux */ + board_early_init_f(); + + /* Setup GP timer */ + timer_init(); + + /* UART clocks enabled and gd valid - init serial console */ + preloader_console_init(); + + /* Init DDR with 32bit width */ + spl_dram_init(32); + + /* Clear the BSS */ + memset(__bss_start, 0, __bss_end - __bss_start); + + /* + * Setup enet related MUXing early to give the PHY + * some time to wake-up from reset + */ + platinum_setup_enet(); + + /* load/boot image from boot device */ + board_init_r(NULL, 0); +} diff --git a/board/barco/platinum/spl_titanium.c b/board/barco/platinum/spl_titanium.c new file mode 100644 index 0000000000..26fe26ba2b --- /dev/null +++ b/board/barco/platinum/spl_titanium.c @@ -0,0 +1,185 @@ +/* + * Copyright (C) 2014 Stefan Roese <sr@denx.de> + * + * Based on: gw_ventana_spl.c which is: + * Copyright (C) 2014 Gateworks Corporation + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <i2c.h> +#include <asm/io.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/imx-common/boot_mode.h> +#include <asm/imx-common/iomux-v3.h> +#include <asm/imx-common/mxc_i2c.h> +#include <spl.h> + +#include "platinum.h" + +DECLARE_GLOBAL_DATA_PTR; + +#undef RTT_NOM_120OHM /* use 120ohm Rtt_nom vs 60ohm (lower power) */ + +/* Configure MX6Q/DUAL mmdc DDR io registers */ +struct mx6dq_iomux_ddr_regs mx6dq_ddr_ioregs = { + /* SDCLK[0:1], CAS, RAS, Reset: Differential input, 40ohm */ + .dram_sdclk_0 = 0x00020030, + .dram_sdclk_1 = 0x00020030, + .dram_cas = 0x00020030, + .dram_ras = 0x00020030, + .dram_reset = 0x00020030, + /* 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 = 0x00003030, + .dram_sdodt1 = 0x00003030, + /* SDQS[0:7]: Differential input, 40 ohm */ + .dram_sdqs0 = 0x00000030, + .dram_sdqs1 = 0x00000030, + .dram_sdqs2 = 0x00000030, + .dram_sdqs3 = 0x00000030, + .dram_sdqs4 = 0x00000030, + .dram_sdqs5 = 0x00000030, + .dram_sdqs6 = 0x00000030, + .dram_sdqs7 = 0x00000030, + /* DQM[0:7]: Differential input, 40 ohm */ + .dram_dqm0 = 0x00020030, + .dram_dqm1 = 0x00020030, + .dram_dqm2 = 0x00020030, + .dram_dqm3 = 0x00020030, + .dram_dqm4 = 0x00020030, + .dram_dqm5 = 0x00020030, + .dram_dqm6 = 0x00020030, + .dram_dqm7 = 0x00020030, +}; + +/* Configure MX6Q/DUAL mmdc GRP io registers */ +struct mx6dq_iomux_grp_regs mx6dq_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 = 0x00000030, + /* CS0/CS1/SDBA2/CKE0/CKE1/SDWE: 40 ohm */ + .grp_ctlds = 0x00000030, + /* DATA[00:63]: Differential input, 40 ohm */ + .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, +}; + +/* MT41J128M16JT-125 */ +static struct mx6_ddr3_cfg mt41j128m16jt_125 = { + .mem_speed = 1600, + .density = 2, + .width = 16, + .banks = 8, + .rowaddr = 14, + .coladdr = 10, + .pagesz = 2, + .trcd = 1375, + .trcmin = 4875, + .trasmin = 3500, +}; + +static struct mx6_mmdc_calibration mx6dq_mmdc_calib = { + /* Write leveling calibration determine */ + .p0_mpwldectrl0 = 0x001f001f, + .p0_mpwldectrl1 = 0x001f001f, + .p1_mpwldectrl0 = 0x00440044, + .p1_mpwldectrl1 = 0x00440044, + /* Read DQS Gating calibration */ + .p0_mpdgctrl0 = 0x434b0350, + .p0_mpdgctrl1 = 0x034c0359, + .p1_mpdgctrl0 = 0x434b0350, + .p1_mpdgctrl1 = 0x03650348, + /* Read Calibration: DQS delay relative to DQ read access */ + .p0_mprddlctl = 0x4436383b, + .p1_mprddlctl = 0x39393341, + /* Write Calibration: DQ/DM delay relative to DQS write access */ + .p0_mpwrdlctl = 0x35373933, + .p1_mpwrdlctl = 0x48254a36, +}; + +static void spl_dram_init(int width) +{ + struct mx6_ddr3_cfg *mem = &mt41j128m16jt_125; + 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 = 1, + .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 = 0, /* 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(width, &mx6dq_ddr_ioregs, &mx6dq_grp_ioregs); + mx6_dram_cfg(&sysinfo, &mx6dq_mmdc_calib, mem); +} + +/* + * 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(); + + ccgr_init(); + gpr_init(); + + /* UART iomux */ + board_early_init_f(); + + /* Setup GP timer */ + timer_init(); + + /* UART clocks enabled and gd valid - init serial console */ + preloader_console_init(); + + /* Init DDR with 32bit width */ + spl_dram_init(32); + + /* Clear the BSS */ + memset(__bss_start, 0, __bss_end - __bss_start); + + /* + * Setup enet related MUXing early to give the PHY + * some time to wake-up from reset + */ + platinum_setup_enet(); + + /* load/boot image from boot device */ + board_init_r(NULL, 0); +} |