From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pau Pajuelo Date: Thu, 6 Apr 2017 19:22:59 +0200 Subject: [U-Boot] [PATCH 6/7] igep003x: Add support for IGEP SMARC AM335x In-Reply-To: <20170401151840.hnnhzdbrf4yjegj6@lenoch> References: <20170401151326.4d3ijtffy744rwaz@lenoch> <20170401151840.hnnhzdbrf4yjegj6@lenoch> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Tested-by: Pau Pajuelo 2017-04-01 17:18 GMT+02:00 Ladislav Michl : > > From: Pau Pajuelo > > The IGEP SMARC AM335x is an industrial processor module with > following highlights: > > o AM3352 TI processor (Up to AM3359) > o Cortex-A8 ARM CPU > o SMARC form factor module > o Up to 512 MB DDR3 SDRAM / 512 MB FLASH > o WiFi a/b/g/n and Bluetooth v4.0 on-board > o Ethernet 10/100/1000 Mbps and 10/100 Mbps controller on-board > o JTAG debug connector available > o Designed for industrial range purposes > > Signed-off-by: Pau Pajuelo > Signed-off-by: Ladislav Michl > --- > arch/arm/mach-omap2/am33xx/Kconfig | 1 + > board/isee/igep003x/board.c | 126 ++++++++++++++++++--- > board/isee/igep003x/mux.c | 10 +- > ...gep0033_defconfig => am335x_igep003x_defconfig} | 0 > include/configs/am335x_igep003x.h | 15 ++- > 5 files changed, 133 insertions(+), 19 deletions(-) > > diff --git a/arch/arm/mach-omap2/am33xx/Kconfig b/arch/arm/mach-omap2/am33xx/Kconfig > index 387d488c47..db3c70fe21 100644 > --- a/arch/arm/mach-omap2/am33xx/Kconfig > +++ b/arch/arm/mach-omap2/am33xx/Kconfig > @@ -46,6 +46,7 @@ config TARGET_AM335X_BALTOS > > config TARGET_AM335X_IGEP003X > bool "Support am335x_igep003x" > + select BOARD_LATE_INIT > select DM > select DM_SERIAL > select DM_GPIO > diff --git a/board/isee/igep003x/board.c b/board/isee/igep003x/board.c > index 9abb4824b5..2d0ebbf5ef 100644 > --- a/board/isee/igep003x/board.c > +++ b/board/isee/igep003x/board.c > @@ -1,7 +1,7 @@ > /* > - * Board functions for IGEP COM AQUILA based boards > + * Board functions for IGEP COM AQUILA and SMARC AM335x based boards > * > - * Copyright (C) 2013, ISEE 2007 SL - http://www.isee.biz/ > + * Copyright (C) 2013-2017, ISEE 2007 SL - http://www.isee.biz/ > * > * SPDX-License-Identifier: GPL-2.0+ > */ > @@ -26,21 +26,72 @@ > #include > #include > #include > +#include > #include "board.h" > > DECLARE_GLOBAL_DATA_PTR; > > +/* GPIO0_27 and GPIO0_26 are used to read board revision from IGEP003x boards > + * and control IGEP0034 green and red LEDs. > + * U-boot configures these pins as input pullup to detect board revision: > + * IGEP0034-LITE = 0b00 > + * IGEP0034 (FULL) = 0b01 > + * IGEP0033 = 0b1X > + */ > +#define GPIO_GREEN_REVISION 27 > +#define GPIO_RED_REVISION 26 > + > static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE; > > +/* > + * Routine: get_board_revision > + * Description: Returns the board revision > + */ > +static int get_board_revision(void) > +{ > + int revision; > + > + gpio_request(GPIO_GREEN_REVISION, "green_revision"); > + gpio_direction_input(GPIO_GREEN_REVISION); > + revision = 2 * gpio_get_value(GPIO_GREEN_REVISION); > + gpio_free(GPIO_GREEN_REVISION); > + > + gpio_request(GPIO_RED_REVISION, "red_revision"); > + gpio_direction_input(GPIO_RED_REVISION); > + revision = revision + gpio_get_value(GPIO_RED_REVISION); > + gpio_free(GPIO_RED_REVISION); > + > + return revision; > +} > + > #ifdef CONFIG_SPL_BUILD > -static const struct ddr_data ddr3_data = { > +/* PN H5TQ4G63AFR is equivalent to MT41K256M16HA125*/ > +static const struct ddr_data ddr3_igep0034_data = { > + .datardsratio0 = MT41K256M16HA125E_RD_DQS, > + .datawdsratio0 = MT41K256M16HA125E_WR_DQS, > + .datafwsratio0 = MT41K256M16HA125E_PHY_FIFO_WE, > + .datawrsratio0 = MT41K256M16HA125E_PHY_WR_DATA, > +}; > + > +static const struct ddr_data ddr3_igep0034_lite_data = { > .datardsratio0 = K4B2G1646EBIH9_RD_DQS, > .datawdsratio0 = K4B2G1646EBIH9_WR_DQS, > .datafwsratio0 = K4B2G1646EBIH9_PHY_FIFO_WE, > .datawrsratio0 = K4B2G1646EBIH9_PHY_WR_DATA, > }; > > -static const struct cmd_control ddr3_cmd_ctrl_data = { > +static const struct cmd_control ddr3_igep0034_cmd_ctrl_data = { > + .cmd0csratio = MT41K256M16HA125E_RATIO, > + .cmd0iclkout = MT41K256M16HA125E_INVERT_CLKOUT, > + > + .cmd1csratio = MT41K256M16HA125E_RATIO, > + .cmd1iclkout = MT41K256M16HA125E_INVERT_CLKOUT, > + > + .cmd2csratio = MT41K256M16HA125E_RATIO, > + .cmd2iclkout = MT41K256M16HA125E_INVERT_CLKOUT, > +}; > + > +static const struct cmd_control ddr3_igep0034_lite_cmd_ctrl_data = { > .cmd0csratio = K4B2G1646EBIH9_RATIO, > .cmd0iclkout = K4B2G1646EBIH9_INVERT_CLKOUT, > > @@ -51,7 +102,17 @@ static const struct cmd_control ddr3_cmd_ctrl_data = { > .cmd2iclkout = K4B2G1646EBIH9_INVERT_CLKOUT, > }; > > -static struct emif_regs ddr3_emif_reg_data = { > +static struct emif_regs ddr3_igep0034_emif_reg_data = { > + .sdram_config = MT41K256M16HA125E_EMIF_SDCFG, > + .ref_ctrl = MT41K256M16HA125E_EMIF_SDREF, > + .sdram_tim1 = MT41K256M16HA125E_EMIF_TIM1, > + .sdram_tim2 = MT41K256M16HA125E_EMIF_TIM2, > + .sdram_tim3 = MT41K256M16HA125E_EMIF_TIM3, > + .zq_config = MT41K256M16HA125E_ZQ_CFG, > + .emif_ddr_phy_ctlr_1 = MT41K256M16HA125E_EMIF_READ_LATENCY, > +}; > + > +static struct emif_regs ddr3_igep0034_lite_emif_reg_data = { > .sdram_config = K4B2G1646EBIH9_EMIF_SDCFG, > .ref_ctrl = K4B2G1646EBIH9_EMIF_SDREF, > .sdram_tim1 = K4B2G1646EBIH9_EMIF_TIM1, > @@ -61,6 +122,22 @@ static struct emif_regs ddr3_emif_reg_data = { > .emif_ddr_phy_ctlr_1 = K4B2G1646EBIH9_EMIF_READ_LATENCY, > }; > > +const struct ctrl_ioregs ioregs_igep0034 = { > + .cm0ioctl = MT41K256M16HA125E_IOCTRL_VALUE, > + .cm1ioctl = MT41K256M16HA125E_IOCTRL_VALUE, > + .cm2ioctl = MT41K256M16HA125E_IOCTRL_VALUE, > + .dt0ioctl = MT41K256M16HA125E_IOCTRL_VALUE, > + .dt1ioctl = MT41K256M16HA125E_IOCTRL_VALUE, > +}; > + > +const struct ctrl_ioregs ioregs_igep0034_lite = { > + .cm0ioctl = K4B2G1646EBIH9_IOCTRL_VALUE, > + .cm1ioctl = K4B2G1646EBIH9_IOCTRL_VALUE, > + .cm2ioctl = K4B2G1646EBIH9_IOCTRL_VALUE, > + .dt0ioctl = K4B2G1646EBIH9_IOCTRL_VALUE, > + .dt1ioctl = K4B2G1646EBIH9_IOCTRL_VALUE, > +}; > + > #define OSC (V_OSCK/1000000) > const struct dpll_params dpll_ddr = { > 400, OSC-1, 1, -1, -1, -1, -1}; > @@ -80,18 +157,14 @@ void set_mux_conf_regs(void) > enable_board_pin_mux(); > } > > -const struct ctrl_ioregs ioregs = { > - .cm0ioctl = K4B2G1646EBIH9_IOCTRL_VALUE, > - .cm1ioctl = K4B2G1646EBIH9_IOCTRL_VALUE, > - .cm2ioctl = K4B2G1646EBIH9_IOCTRL_VALUE, > - .dt0ioctl = K4B2G1646EBIH9_IOCTRL_VALUE, > - .dt1ioctl = K4B2G1646EBIH9_IOCTRL_VALUE, > -}; > - > void sdram_init(void) > { > - config_ddr(400, &ioregs, &ddr3_data, > - &ddr3_cmd_ctrl_data, &ddr3_emif_reg_data, 0); > + if (get_board_revision() == 1) > + config_ddr(400, &ioregs_igep0034, &ddr3_igep0034_data, > + &ddr3_igep0034_cmd_ctrl_data, &ddr3_igep0034_emif_reg_data, 0); > + else > + config_ddr(400, &ioregs_igep0034_lite, &ddr3_igep0034_lite_data, > + &ddr3_igep0034_lite_cmd_ctrl_data, &ddr3_igep0034_lite_emif_reg_data, 0); > } > #endif > > @@ -107,6 +180,26 @@ int board_init(void) > return 0; > } > > +#ifdef CONFIG_BOARD_LATE_INIT > +int board_late_init(void) > +{ > +#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG > + switch (get_board_revision()) { > + case 0: > + setenv("board_name", "igep0034-lite"); > + break; > + case 1: > + setenv("board_name", "igep0034"); > + break; > + default: > + setenv("board_name", "igep0033"); > + break; > + } > +#endif > + return 0; > +} > +#endif > + > #ifdef CONFIG_OF_BOARD_SETUP > int ft_board_setup(void *blob, bd_t *bd) > { > @@ -180,6 +273,9 @@ int board_eth_init(bd_t *bis) > writel((GMII1_SEL_RMII | RMII1_IO_CLK_EN), > &cdev->miisel); > > + if (get_board_revision() == 1) > + cpsw_slaves[0].phy_addr = 1; > + > rv = cpsw_register(&cpsw_data); > if (rv < 0) > printf("Error %d registering CPSW switch\n", rv); > diff --git a/board/isee/igep003x/mux.c b/board/isee/igep003x/mux.c > index e86277663d..550e3b3197 100644 > --- a/board/isee/igep003x/mux.c > +++ b/board/isee/igep003x/mux.c > @@ -32,7 +32,7 @@ static struct module_pin_mux mmc0_pin_mux[] = { > {OFFSET(mmc0_dat0), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT0 */ > {OFFSET(mmc0_clk), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_CLK */ > {OFFSET(mmc0_cmd), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_CMD */ > - {OFFSET(mcasp0_aclkx), (MODE(4) | RXACTIVE)}, /* MMC0_CD */ > + {OFFSET(spi0_cs1), (MODE(5) | RXACTIVE | PULLUP_EN)}, /* MMC0_CD */ > {-1}, > }; > > @@ -69,6 +69,12 @@ static struct module_pin_mux rmii1_pin_mux[] = { > {-1}, > }; > > +static struct module_pin_mux gpio_pin_mux[] = { > + {OFFSET(gpmc_ad10), (MODE(7) | RXACTIVE | PULLUP_EN)}, /* GPIO0_26 */ > + {OFFSET(gpmc_ad11), (MODE(7) | RXACTIVE | PULLUP_EN)}, /* GPIO0_27 */ > + {-1}, > +}; > + > void enable_uart0_pin_mux(void) > { > configure_module_pin_mux(uart0_pin_mux); > @@ -85,4 +91,6 @@ void enable_board_pin_mux(void) > configure_module_pin_mux(mmc0_pin_mux); > /* Ethernet pinmux. */ > configure_module_pin_mux(rmii1_pin_mux); > + /* GPIO pinmux. */ > + configure_module_pin_mux(gpio_pin_mux); > } > diff --git a/configs/am335x_igep0033_defconfig b/configs/am335x_igep003x_defconfig > similarity index 100% > rename from configs/am335x_igep0033_defconfig > rename to configs/am335x_igep003x_defconfig > diff --git a/include/configs/am335x_igep003x.h b/include/configs/am335x_igep003x.h > index f7209930d3..2962f72582 100644 > --- a/include/configs/am335x_igep003x.h > +++ b/include/configs/am335x_igep003x.h > @@ -34,7 +34,6 @@ > DEFAULT_LINUX_BOOT_ENV \ > "bootdir=/boot\0" \ > "bootfile=zImage\0" \ > - "dtbfile=am335x-base0033.dtb\0" \ > "console=ttyO0,115200n8\0" \ > "mmcdev=0\0" \ > "mmcroot=/dev/mmcblk0p2 rw\0" \ > @@ -48,7 +47,7 @@ > "importbootenv=echo Importing environment from mmc ...; " \ > "env import -t ${loadaddr} ${filesize}\0" \ > "mmcload=load mmc ${mmcdev}:2 ${loadaddr} ${bootdir}/${bootfile}; " \ > - "load mmc ${mmcdev}:2 ${fdtaddr} ${bootdir}/${dtbfile}\0" \ > + "load mmc ${mmcdev}:2 ${fdtaddr} ${bootdir}/${fdtfile}\0" \ > "mmcboot=mmc dev ${mmcdev}; " \ > "if mmc rescan; then " \ > "echo SD/MMC found on device ${mmcdev};" \ > @@ -79,10 +78,20 @@ > "nandboot=echo Booting from nand ...; " \ > "run nandargs; " \ > "run nandload; " \ > - "bootz ${loadaddr} - ${fdtaddr} \0" > + "bootz ${loadaddr} - ${fdtaddr} \0" \ > + "findfdt="\ > + "if test ${board_name} = igep0033; then " \ > + "setenv fdtfile am335x-igep-base0033.dtb; fi; " \ > + "if test ${board_name} = igep0034; then " \ > + "setenv fdtfile am335x-igep-base0040.dtb; fi; " \ > + "if test ${board_name} = igep0034-lite; then " \ > + "setenv fdtfile am335x-igep-base0040-lite.dtb; fi; " \ > + "if test ${fdtfile} = ''; then " \ > + "echo WARNING: Could not determine device tree to use; fi; \0" > #endif > > #define CONFIG_BOOTCOMMAND \ > + "run findfdt;" \ > "run mmcboot;" \ > "run nandboot;" > > -- > 2.11.0 >