From: Stefano Babic Date: Wed, 8 Jun 2016 08:50:20 +0000 (+0200) Subject: mx6: Add Phytec PCM058 i.MX6 Quad X-Git-Tag: v2016.09-rc2~174^2~64 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=876a25d289cf9ae6b052ea0dc61b7522e1dec4e1;p=oweals%2Fu-boot.git mx6: Add Phytec PCM058 i.MX6 Quad Add Phytec-i.MX6 SOM with NAND Support: - 1GB RAM - Ethernet - SPI-NOR Flash - NAND (1024 MB) - external SD - UART Signed-off-by: Stefano Babic Reviewed-by: Fabio Estevam --- diff --git a/arch/arm/cpu/armv7/mx6/Kconfig b/arch/arm/cpu/armv7/mx6/Kconfig index 01117abc06..78383f0e89 100644 --- a/arch/arm/cpu/armv7/mx6/Kconfig +++ b/arch/arm/cpu/armv7/mx6/Kconfig @@ -148,6 +148,10 @@ config TARGET_PLATINUM_TITANIUM bool "platinum-titanium" select SUPPORT_SPL +config TARGET_PCM058 + bool "Phytec PCM058 i.MX6 Quad" + select SUPPORT_SPL + config TARGET_SECOMX6 bool "secomx6 boards" @@ -213,6 +217,7 @@ source "board/freescale/mx6slevk/Kconfig" source "board/freescale/mx6sxsabresd/Kconfig" source "board/freescale/mx6sxsabreauto/Kconfig" source "board/freescale/mx6ul_14x14_evk/Kconfig" +source "board/phytec/pcm058/Kconfig" source "board/gateworks/gw_ventana/Kconfig" source "board/kosagi/novena/Kconfig" source "board/seco/Kconfig" diff --git a/board/phytec/pcm058/Kconfig b/board/phytec/pcm058/Kconfig new file mode 100644 index 0000000000..d099275d48 --- /dev/null +++ b/board/phytec/pcm058/Kconfig @@ -0,0 +1,12 @@ +if TARGET_PCM058 + +config SYS_BOARD + default "pcm058" + +config SYS_VENDOR + default "phytec" + +config SYS_CONFIG_NAME + default "pcm058" + +endif diff --git a/board/phytec/pcm058/MAINTAINERS b/board/phytec/pcm058/MAINTAINERS new file mode 100644 index 0000000000..b0ca40277f --- /dev/null +++ b/board/phytec/pcm058/MAINTAINERS @@ -0,0 +1,6 @@ +PHYTEC PHYBOARD MIRA +M: Stefano Babic +S: Maintained +F: board/phytec/pcm058/ +F: include/configs/pcm058.h +F: configs/pcm058_defconfig diff --git a/board/phytec/pcm058/Makefile b/board/phytec/pcm058/Makefile new file mode 100644 index 0000000000..97733b110c --- /dev/null +++ b/board/phytec/pcm058/Makefile @@ -0,0 +1,9 @@ +# +# Copyright (C) 2007, Guennadi Liakhovetski +# +# (C) Copyright 2011 Freescale Semiconductor, Inc. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y := pcm058.o diff --git a/board/phytec/pcm058/README b/board/phytec/pcm058/README new file mode 100644 index 0000000000..3327135645 --- /dev/null +++ b/board/phytec/pcm058/README @@ -0,0 +1,35 @@ +Board information +----------------- + +The SBC produced by Phytec has a SOM based on a i.MX6Q. +The SOM is sold in two versions, with eMMC or with NAND. Support +here is for the SOM with NAND. +The evaluation board "phyBoard-Mira" is thought to be used +together with the SOM. + +More information on the board can be found on manufacturer's +website: + +http://www.phytec.de/produkt/single-board-computer/phyboard-mira/ +http://www.phytec.de/fileadmin/user_upload/images/content/1.Products/SOMs/phyCORE-i.MX6/L-808e_1.pdf + +Building U-Boot +------------------------------- + +$ make pcm058_defconfig +$ make + +This generates the artifacts SPL and u-boot.img. +The SOM can boot from NAND or from SD-Card, having the SPI-NOR +as second option. +The dip switch "DIP-1" on the board let choose between +NAND and SD. + +DIP-1 set to off: Boot first from NAND, then try SPI +DIP-1 set to on: Boot first from SD, then try SPI + +The bootloader was tested with DIP-1 set to on. If a SD-card +is present, then the RBL tries to load SPL from the SD Card, if not, +RBL loads from SPI-NOR. The SPL tries then to load from the same +device where SPL was loaded (SD or SPI). Booting from NAND is +not supported. diff --git a/board/phytec/pcm058/pcm058.c b/board/phytec/pcm058/pcm058.c new file mode 100644 index 0000000000..0ba4a2e268 --- /dev/null +++ b/board/phytec/pcm058/pcm058.c @@ -0,0 +1,582 @@ +/* + * Copyright (C) 2016 Stefano Babic + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/* + * Please note: there are two version of the board + * one with NAND and the other with eMMC. + * Both NAND and eMMC cannot be set because they share the + * same pins (SD4) + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +#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 ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ + PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS) + +#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_PAD MUX_PAD_CTRL(I2C_PAD_CTRL) + +#define ASRC_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | \ + PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) + +#define NAND_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) + +#define ENET_PHY_RESET_GPIO IMX_GPIO_NR(1, 14) +#define USDHC1_CD_GPIO IMX_GPIO_NR(6, 31) +#define USER_LED IMX_GPIO_NR(1, 4) +#define IMX6Q_DRIVE_STRENGTH 0x30 + +int dram_init(void) +{ + gd->ram_size = imx_ddr_size(); + return 0; +} + +void board_turn_off_led(void) +{ + gpio_direction_output(USER_LED, 0); +} + +static iomux_v3_cfg_t const uart1_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 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_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), + 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), + MX6_PAD_SD2_DAT1__GPIO1_IO14 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +static iomux_v3_cfg_t const ecspi1_pads[] = { + MX6_PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL), + MX6_PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL), + MX6_PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL), + MX6_PAD_EIM_D19__GPIO3_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +/* NAND */ +static iomux_v3_cfg_t const nfc_pads[] = { + MX6_PAD_NANDF_CLE__NAND_CLE | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX6_PAD_NANDF_ALE__NAND_ALE | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX6_PAD_NANDF_WP_B__NAND_WP_B | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX6_PAD_NANDF_RB0__NAND_READY_B | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX6_PAD_NANDF_CS0__NAND_CE0_B | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX6_PAD_NANDF_CS1__NAND_CE1_B | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX6_PAD_NANDF_CS2__NAND_CE2_B | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX6_PAD_NANDF_CS3__NAND_CE3_B | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX6_PAD_SD4_CMD__NAND_RE_B | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX6_PAD_SD4_CLK__NAND_WE_B | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX6_PAD_NANDF_D0__NAND_DATA00 | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX6_PAD_NANDF_D1__NAND_DATA01 | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX6_PAD_NANDF_D2__NAND_DATA02 | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX6_PAD_NANDF_D3__NAND_DATA03 | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX6_PAD_NANDF_D4__NAND_DATA04 | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX6_PAD_NANDF_D5__NAND_DATA05 | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX6_PAD_NANDF_D6__NAND_DATA06 | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX6_PAD_NANDF_D7__NAND_DATA07 | MUX_PAD_CTRL(NAND_PAD_CTRL), + MX6_PAD_SD4_DAT0__NAND_DQS | MUX_PAD_CTRL(NAND_PAD_CTRL), +}; + + +/* GPIOS */ +static iomux_v3_cfg_t const gpios_pads[] = { +}; + +static struct i2c_pads_info i2c_pad_info2 = { + .scl = { + .i2c_mode = MX6_PAD_GPIO_5__I2C3_SCL | I2C_PAD, + .gpio_mode = MX6_PAD_GPIO_5__GPIO1_IO05 | I2C_PAD, + .gp = IMX_GPIO_NR(1, 5) + }, + .sda = { + .i2c_mode = MX6_PAD_GPIO_6__I2C3_SDA | I2C_PAD, + .gpio_mode = MX6_PAD_GPIO_6__GPIO1_IO06 | I2C_PAD, + .gp = IMX_GPIO_NR(1, 6) + } +}; + +static struct fsl_esdhc_cfg usdhc_cfg[] = { + {.esdhc_base = USDHC1_BASE_ADDR, + .max_bus_width = 4}, +#ifndef CONFIG_CMD_NAND + {USDHC4_BASE_ADDR}, +#endif +}; + +static iomux_v3_cfg_t const usdhc1_pads[] = { + MX6_PAD_SD1_CLK__SD1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_CMD__SD1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_DAT0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_DAT1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_DAT2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_DAT3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */ +}; + +#ifndef CONFIG_CMD_NAND +static iomux_v3_cfg_t const usdhc4_pads[] = { + MX6_PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), +}; +#endif + +int board_mmc_get_env_dev(int devno) +{ + return devno - 1; +} + +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 USDHC1_BASE_ADDR: + ret = !gpio_get_value(USDHC1_CD_GPIO); + break; + case USDHC4_BASE_ADDR: + ret = 1; /* eMMC/uSDHC4 is always present */ + break; + } + + return ret; +} + +int board_mmc_init(bd_t *bis) +{ +#ifndef CONFIG_SPL_BUILD + int ret; + int i; + + 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; +#ifndef CONFIG_CMD_NAND + case 1: + imx_iomux_v3_setup_multiple_pads( + usdhc4_pads, ARRAY_SIZE(usdhc4_pads)); + usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); + break; +#endif + default: + printf("Warning: you configured more USDHC controllers" + "(%d) then supported by the board (%d)\n", + i + 1, CONFIG_SYS_FSL_USDHC_NUM); + return -EINVAL; + } + + ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]); + if (ret) + return ret; + } + + return 0; +#else + struct src *psrc = (struct src *)SRC_BASE_ADDR; + unsigned reg = readl(&psrc->sbmr1) >> 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 0x0: + 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); + usdhc_cfg[0].max_bus_width = 4; + gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk; + break; + } + return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); +#endif +} + +static void setup_iomux_uart(void) +{ + imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); +} + +static void setup_iomux_enet(void) +{ + imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads)); + + gpio_direction_output(ENET_PHY_RESET_GPIO, 0); + mdelay(10); + gpio_set_value(ENET_PHY_RESET_GPIO, 1); + mdelay(30); +} + +static void setup_spi(void) +{ + gpio_request(IMX_GPIO_NR(3, 19), "spi_cs0"); + gpio_direction_output(IMX_GPIO_NR(3, 19), 1); + + imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads)); + + enable_spi_clk(true, 0); +} + +#ifdef CONFIG_CMD_NAND +static 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)); + + /* gate ENFC_CLK_ROOT clock first,before clk source switch */ + clrbits_le32(&mxc_ccm->CCGR2, MXC_CCM_CCGR2_IOMUX_IPT_CLK_IO_MASK); + + /* 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 ENFC_CLK_ROOT clock */ + setbits_le32(&mxc_ccm->CCGR2, MXC_CCM_CCGR2_IOMUX_IPT_CLK_IO_MASK); + + /* 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); +} +#endif + +int board_spi_cs_gpio(unsigned bus, unsigned cs) +{ + if (bus != 0 || (cs != 0)) + return -EINVAL; + + return IMX_GPIO_NR(3, 19); +} + +int board_eth_init(bd_t *bis) +{ + setup_iomux_enet(); + + return cpu_eth_init(bis); +} + +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_SYS_I2C_MXC + setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2); +#endif + +#ifdef CONFIG_MXC_SPI + setup_spi(); +#endif + +#ifdef CONFIG_CMD_NAND + setup_gpmi_nand(); +#endif + return 0; +} + + +#ifdef CONFIG_CMD_BMODE +/* + * BOOT_CFG1, BOOT_CFG2, BOOT_CFG3, BOOT_CFG4 + * see Table 8-11 and Table 5-9 + * BOOT_CFG1[7] = 1 (boot from NAND) + * BOOT_CFG1[5] = 0 - raw NAND + * BOOT_CFG1[4] = 0 - default pad settings + * BOOT_CFG1[3:2] = 00 - devices = 1 + * BOOT_CFG1[1:0] = 00 - Row Address Cycles = 3 + * BOOT_CFG2[4:3] = 00 - Boot Search Count = 2 + * BOOT_CFG2[2:1] = 01 - Pages In Block = 64 + * BOOT_CFG2[0] = 0 - Reset time 12ms + */ +static const struct boot_mode board_boot_modes[] = { + /* NAND: 64pages per block, 3 row addr cycles, 2 copies of FCB/DBBT */ + {"nand", MAKE_CFGVAL(0x80, 0x02, 0x00, 0x00)}, + {"mmc0", MAKE_CFGVAL(0x40, 0x20, 0x00, 0x00)}, + {NULL, 0}, +}; +#endif + +int board_late_init(void) +{ +#ifdef CONFIG_CMD_BMODE + add_board_boot_modes(board_boot_modes); +#endif + + return 0; +} + +#ifdef CONFIG_SPL_BUILD +#include +#include + +static const struct mx6dq_iomux_ddr_regs mx6_ddr_ioregs = { + .dram_sdclk_0 = 0x00000030, + .dram_sdclk_1 = 0x00000030, + .dram_cas = 0x00000030, + .dram_ras = 0x00000030, + .dram_reset = 0x00000030, + .dram_sdcke0 = 0x00000030, + .dram_sdcke1 = 0x00000030, + .dram_sdba2 = 0x00000000, + .dram_sdodt0 = 0x00000030, + .dram_sdodt1 = 0x00000030, + .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 = 0x00000030, + .dram_dqm1 = 0x00000030, + .dram_dqm2 = 0x00000030, + .dram_dqm3 = 0x00000030, + .dram_dqm4 = 0x00000030, + .dram_dqm5 = 0x00000030, + .dram_dqm6 = 0x00000030, + .dram_dqm7 = 0x00000030, +}; + +static const struct mx6dq_iomux_grp_regs mx6_grp_ioregs = { + .grp_ddr_type = 0x000C0000, + .grp_ddrmode_ctl = 0x00020000, + .grp_ddrpke = 0x00000000, + .grp_addds = IMX6Q_DRIVE_STRENGTH, + .grp_ctlds = IMX6Q_DRIVE_STRENGTH, + .grp_ddrmode = 0x00020000, + .grp_b0ds = IMX6Q_DRIVE_STRENGTH, + .grp_b1ds = IMX6Q_DRIVE_STRENGTH, + .grp_b2ds = IMX6Q_DRIVE_STRENGTH, + .grp_b3ds = IMX6Q_DRIVE_STRENGTH, + .grp_b4ds = IMX6Q_DRIVE_STRENGTH, + .grp_b5ds = IMX6Q_DRIVE_STRENGTH, + .grp_b6ds = IMX6Q_DRIVE_STRENGTH, + .grp_b7ds = IMX6Q_DRIVE_STRENGTH, +}; + +static const struct mx6_mmdc_calibration mx6_mmcd_calib = { + .p0_mpwldectrl0 = 0x00140014, + .p0_mpwldectrl1 = 0x000A0015, + .p1_mpwldectrl0 = 0x000A001E, + .p1_mpwldectrl1 = 0x000A0015, + .p0_mpdgctrl0 = 0x43080314, + .p0_mpdgctrl1 = 0x02680300, + .p1_mpdgctrl0 = 0x430C0318, + .p1_mpdgctrl1 = 0x03000254, + .p0_mprddlctl = 0x3A323234, + .p1_mprddlctl = 0x3E3C3242, + .p0_mpwrdlctl = 0x2A2E3632, + .p1_mpwrdlctl = 0x3C323E34, +}; + +static struct mx6_ddr3_cfg mem_ddr = { + .mem_speed = 1600, + .density = 2, + .width = 16, + .banks = 8, + .rowaddr = 14, + .coladdr = 10, + .pagesz = 2, + .trcd = 1375, + .trcmin = 4875, + .trasmin = 3500, + .SRT = 1, +}; + +static 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(0x00FFF300, &ccm->CCGR4); + writel(0x0F0000C3, &ccm->CCGR5); + writel(0x000003FF, &ccm->CCGR6); +} + +static 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]); +} + + +static void spl_dram_init(void) +{ + struct mx6_ddr_sysinfo sysinfo = { + /* 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 /*DDR3_RTT_60_OHM*/, /* RTT_Wr = RZQ/4 */ + .rtt_nom = 1 /*DDR3_RTT_60_OHM*/, /* RTT_Nom = RZQ/4 */ + .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) */ + .ddr_type = DDR_TYPE_DDR3, + }; + + mx6dq_dram_iocfg(64, &mx6_ddr_ioregs, &mx6_grp_ioregs); + mx6_dram_cfg(&sysinfo, &mx6_mmcd_calib, &mem_ddr); +} + +void board_boot_order(u32 *spl_boot_list) +{ + spl_boot_list[0] = spl_boot_device(); + printf("Boot device %x\n", spl_boot_list[0]); + switch (spl_boot_list[0]) { + case BOOT_DEVICE_SPI: + spl_boot_list[1] = BOOT_DEVICE_UART; + break; + case BOOT_DEVICE_MMC1: + spl_boot_list[1] = BOOT_DEVICE_SPI; + spl_boot_list[2] = BOOT_DEVICE_UART; + break; + default: + printf("Boot device %x\n", spl_boot_list[0]); + } +} + +void board_init_f(ulong dummy) +{ +#ifdef CONFIG_CMD_NAND + /* Enable NAND */ + setup_gpmi_nand(); +#endif + + /* setup clock gating */ + ccgr_init(); + + /* setup AIPS and disable watchdog */ + arch_cpu_init(); + + /* setup AXI */ + gpr_init(); + + board_early_init_f(); + + /* setup GP timer */ + timer_init(); + + setup_spi(); + + /* 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 diff --git a/configs/pcm058_defconfig b/configs/pcm058_defconfig new file mode 100644 index 0000000000..1576745680 --- /dev/null +++ b/configs/pcm058_defconfig @@ -0,0 +1,34 @@ +CONFIG_ARM=y +CONFIG_ARCH_MX6=y +CONFIG_TARGET_PCM058=y +CONFIG_SPL=y +CONFIG_BOOTDELAY=3 +CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/imx-common/spl_sd.cfg,MX6Q" +CONFIG_HUSH_PARSER=y +CONFIG_MTD=y +CONFIG_CMD_BOOTZ=y +# CONFIG_CMD_IMLS is not set +# CONFIG_CMD_FLASH is not set +CONFIG_CMD_MTDPARTS=y +CONFIG_CMD_MMC=y +CONFIG_CMD_SF=y +CONFIG_CMD_I2C=y +CONFIG_CMD_USB=n +CONFIG_CMD_DFU=n +CONFIG_CMD_USB_MASS_STORAGE=n +CONFIG_CMD_GPIO=y +CONFIG_CMD_DHCP=y +CONFIG_CMD_MII=y +CONFIG_CMD_PING=y +CONFIG_CMD_CACHE=y +CONFIG_CMD_EXT2=y +CONFIG_CMD_EXT4=y +CONFIG_CMD_EXT4_WRITE=y +CONFIG_CMD_FAT=y +CONFIG_CMD_FS_GENERIC=y +CONFIG_SPI_FLASH=y +CONFIG_SPI_FLASH_STMICRO=y +CONFIG_FIT=y +CONFIG_DM=y +CONFIG_DM_THERMAL=y +CONFIG_OF_LIBFDT=y diff --git a/include/configs/pcm058.h b/include/configs/pcm058.h new file mode 100644 index 0000000000..97cbebacce --- /dev/null +++ b/include/configs/pcm058.h @@ -0,0 +1,140 @@ +/* + * Copyright (C) Stefano Babic + * + * SPDX-License-Identifier: GPL-2.0+ + */ + + +#ifndef __PCM058_CONFIG_H +#define __PCM058_CONFIG_H + +#include + +#ifdef CONFIG_SPL +#define CONFIG_SPL_LIBCOMMON_SUPPORT +#define CONFIG_SPL_YMODEM_SUPPORT +#define CONFIG_SPL_MMC_SUPPORT +#define CONFIG_SPL_DMA_SUPPORT +#define CONFIG_SPL_SPI_SUPPORT +#define CONFIG_SPL_SPI_FLASH_SUPPORT +#define CONFIG_SPL_SPI_LOAD +#define CONFIG_SYS_SPI_U_BOOT_OFFS (64 * 1024) +#include "imx6_spl.h" +#endif + +#include "mx6_common.h" + +/* Thermal */ +#define CONFIG_IMX_THERMAL + +/* Serial */ +#define CONFIG_MXC_UART +#define CONFIG_MXC_UART_BASE UART2_BASE +#define CONFIG_CONSOLE_DEV "ttymxc1" + +#define PHYS_SDRAM_SIZE (1u * 1024 * 1024 * 1024) + +/* Early setup */ +#define CONFIG_BOARD_EARLY_INIT_F +#define CONFIG_BOARD_LATE_INIT +#define CONFIG_DISPLAY_BOARDINFO_LATE + + +/* Size of malloc() pool */ +#define CONFIG_SYS_MALLOC_LEN (8 * SZ_1M) + +/* Ethernet */ +#define CONFIG_FEC_MXC +#define CONFIG_MII +#define IMX_FEC_BASE ENET_BASE_ADDR +#define CONFIG_FEC_XCV_TYPE RGMII +#define CONFIG_ETHPRIME "FEC" +#define CONFIG_FEC_MXC_PHYADDR 3 + +#define CONFIG_PHYLIB +#define CONFIG_PHY_MICREL +#define CONFIG_PHY_KSZ9031 + +/* SPI Flash */ +#define CONFIG_MXC_SPI +#define CONFIG_SF_DEFAULT_BUS 0 +#define CONFIG_SF_DEFAULT_CS 0 +#define CONFIG_SF_DEFAULT_SPEED 20000000 +#define CONFIG_SF_DEFAULT_MODE SPI_MODE_0 + +/* I2C Configs */ +#define CONFIG_SYS_I2C +#define CONFIG_SYS_I2C_MXC +#define CONFIG_SYS_I2C_MXC_I2C3 /* enable I2C bus 2 */ +#define CONFIG_SYS_I2C_SPEED 100000 + +#ifndef CONFIG_SPL_BUILD +#define CONFIG_CMD_NAND +/* Enable NAND support */ +#define CONFIG_CMD_NAND_TRIMFFS +#define CONFIG_NAND_MXS +#define CONFIG_SYS_MAX_NAND_DEVICE 1 +#define CONFIG_SYS_NAND_BASE 0x40000000 +#define CONFIG_SYS_NAND_5_ADDR_CYCLE +#define CONFIG_SYS_NAND_ONFI_DETECTION +#endif + +/* DMA stuff, needed for GPMI/MXS NAND support */ +#define CONFIG_APBH_DMA +#define CONFIG_APBH_DMA_BURST +#define CONFIG_APBH_DMA_BURST8 + +/* Filesystem support */ +#define CONFIG_LZO +#define CONFIG_CMD_UBIFS +#define CONFIG_CMD_MTDPARTS +#define CONFIG_MTD_PARTITIONS +#define CONFIG_MTD_DEVICE +#define MTDIDS_DEFAULT "nand0=nand" +#define MTDPARTS_DEFAULT "mtdparts=nand:16m(uboot),1m(env),-(rootfs)" + +/* Various command support */ +#define CONFIG_CMD_BMODE /* set eFUSE shadow for a boot dev and reset */ +#define CONFIG_CMD_HDMIDETECT /* detect HDMI output device */ +#define CONFIG_CMD_GSC +#define CONFIG_CMD_EECONFIG /* Gateworks EEPROM config cmd */ +#define CONFIG_CMD_UBI +#define CONFIG_RBTREE + +/* Physical Memory Map */ +#define CONFIG_NR_DRAM_BANKS 1 +#define PHYS_SDRAM MMDC0_ARB_BASE_ADDR + +#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM +#define CONFIG_SYS_INIT_RAM_ADDR IRAM_BASE_ADDR +#define CONFIG_SYS_INIT_RAM_SIZE IRAM_SIZE + +#define CONFIG_SYS_INIT_SP_OFFSET \ + (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) +#define CONFIG_SYS_INIT_SP_ADDR \ + (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET) + +/* MMC Configs */ +#define CONFIG_SYS_FSL_ESDHC_ADDR 0 +#define CONFIG_SYS_FSL_USDHC_NUM 1 + +/* Environment organization */ +#define CONFIG_ENV_IS_IN_SPI_FLASH +#define CONFIG_ENV_SIZE (16 * 1024) +#define CONFIG_ENV_OFFSET (1024 * SZ_1K) +#define CONFIG_ENV_SECT_SIZE (64 * SZ_1K) +#define CONFIG_ENV_SPI_BUS CONFIG_SF_DEFAULT_BUS +#define CONFIG_ENV_SPI_CS CONFIG_SF_DEFAULT_CS +#define CONFIG_ENV_SPI_MODE CONFIG_SF_DEFAULT_MODE +#define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED +#define CONFIG_SYS_REDUNDAND_ENVIRONMENT +#define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + \ + CONFIG_ENV_SECT_SIZE) +#define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE + +#ifdef CONFIG_ENV_IS_IN_NAND +#define CONFIG_ENV_OFFSET (0x1E0000) +#define CONFIG_ENV_SECT_SIZE (128 * SZ_1K) +#endif + +#endif