igep003x: Add support for IGEP SMARC AM335x
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 <ppajuelo@iseebcn.com> Signed-off-by: Ladislav Michl <ladis@linux-mips.org> Tested-by: Pau Pajuelo <ppajuel@gmail.com>
This commit is contained in:
Pau Pajuelo
Tom Rini
parent
3607e0f86f
commit
09533e5de7
@ -46,6 +46,7 @@ config TARGET_AM335X_BALTOS
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config TARGET_AM335X_IGEP003X
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bool "Support am335x_igep003x"
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select BOARD_LATE_INIT
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select DM
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select DM_SERIAL
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select DM_GPIO
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@ -1,7 +1,7 @@
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/*
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* Board functions for IGEP COM AQUILA based boards
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* Board functions for IGEP COM AQUILA and SMARC AM335x based boards
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*
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* Copyright (C) 2013, ISEE 2007 SL - http://www.isee.biz/
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* Copyright (C) 2013-2017, ISEE 2007 SL - http://www.isee.biz/
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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@ -26,21 +26,72 @@
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#include <fdt_support.h>
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#include <mtd_node.h>
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#include <jffs2/load_kernel.h>
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#include <environment.h>
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#include "board.h"
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DECLARE_GLOBAL_DATA_PTR;
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/* GPIO0_27 and GPIO0_26 are used to read board revision from IGEP003x boards
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* and control IGEP0034 green and red LEDs.
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* U-boot configures these pins as input pullup to detect board revision:
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* IGEP0034-LITE = 0b00
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* IGEP0034 (FULL) = 0b01
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* IGEP0033 = 0b1X
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*/
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#define GPIO_GREEN_REVISION 27
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#define GPIO_RED_REVISION 26
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static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
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/*
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* Routine: get_board_revision
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* Description: Returns the board revision
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*/
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static int get_board_revision(void)
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{
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int revision;
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gpio_request(GPIO_GREEN_REVISION, "green_revision");
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gpio_direction_input(GPIO_GREEN_REVISION);
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revision = 2 * gpio_get_value(GPIO_GREEN_REVISION);
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gpio_free(GPIO_GREEN_REVISION);
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gpio_request(GPIO_RED_REVISION, "red_revision");
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gpio_direction_input(GPIO_RED_REVISION);
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revision = revision + gpio_get_value(GPIO_RED_REVISION);
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gpio_free(GPIO_RED_REVISION);
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return revision;
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}
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#ifdef CONFIG_SPL_BUILD
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static const struct ddr_data ddr3_data = {
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/* PN H5TQ4G63AFR is equivalent to MT41K256M16HA125*/
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static const struct ddr_data ddr3_igep0034_data = {
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.datardsratio0 = MT41K256M16HA125E_RD_DQS,
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.datawdsratio0 = MT41K256M16HA125E_WR_DQS,
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.datafwsratio0 = MT41K256M16HA125E_PHY_FIFO_WE,
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.datawrsratio0 = MT41K256M16HA125E_PHY_WR_DATA,
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};
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static const struct ddr_data ddr3_igep0034_lite_data = {
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.datardsratio0 = K4B2G1646EBIH9_RD_DQS,
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.datawdsratio0 = K4B2G1646EBIH9_WR_DQS,
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.datafwsratio0 = K4B2G1646EBIH9_PHY_FIFO_WE,
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.datawrsratio0 = K4B2G1646EBIH9_PHY_WR_DATA,
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};
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static const struct cmd_control ddr3_cmd_ctrl_data = {
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static const struct cmd_control ddr3_igep0034_cmd_ctrl_data = {
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.cmd0csratio = MT41K256M16HA125E_RATIO,
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.cmd0iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
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.cmd1csratio = MT41K256M16HA125E_RATIO,
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.cmd1iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
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.cmd2csratio = MT41K256M16HA125E_RATIO,
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.cmd2iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
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};
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static const struct cmd_control ddr3_igep0034_lite_cmd_ctrl_data = {
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.cmd0csratio = K4B2G1646EBIH9_RATIO,
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.cmd0iclkout = K4B2G1646EBIH9_INVERT_CLKOUT,
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@ -51,7 +102,17 @@ static const struct cmd_control ddr3_cmd_ctrl_data = {
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.cmd2iclkout = K4B2G1646EBIH9_INVERT_CLKOUT,
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};
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static struct emif_regs ddr3_emif_reg_data = {
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static struct emif_regs ddr3_igep0034_emif_reg_data = {
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.sdram_config = MT41K256M16HA125E_EMIF_SDCFG,
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.ref_ctrl = MT41K256M16HA125E_EMIF_SDREF,
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.sdram_tim1 = MT41K256M16HA125E_EMIF_TIM1,
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.sdram_tim2 = MT41K256M16HA125E_EMIF_TIM2,
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.sdram_tim3 = MT41K256M16HA125E_EMIF_TIM3,
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.zq_config = MT41K256M16HA125E_ZQ_CFG,
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.emif_ddr_phy_ctlr_1 = MT41K256M16HA125E_EMIF_READ_LATENCY,
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};
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static struct emif_regs ddr3_igep0034_lite_emif_reg_data = {
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.sdram_config = K4B2G1646EBIH9_EMIF_SDCFG,
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.ref_ctrl = K4B2G1646EBIH9_EMIF_SDREF,
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.sdram_tim1 = K4B2G1646EBIH9_EMIF_TIM1,
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@ -61,6 +122,22 @@ static struct emif_regs ddr3_emif_reg_data = {
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.emif_ddr_phy_ctlr_1 = K4B2G1646EBIH9_EMIF_READ_LATENCY,
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};
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const struct ctrl_ioregs ioregs_igep0034 = {
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.cm0ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
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.cm1ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
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.cm2ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
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.dt0ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
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.dt1ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
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};
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const struct ctrl_ioregs ioregs_igep0034_lite = {
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.cm0ioctl = K4B2G1646EBIH9_IOCTRL_VALUE,
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.cm1ioctl = K4B2G1646EBIH9_IOCTRL_VALUE,
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.cm2ioctl = K4B2G1646EBIH9_IOCTRL_VALUE,
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.dt0ioctl = K4B2G1646EBIH9_IOCTRL_VALUE,
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.dt1ioctl = K4B2G1646EBIH9_IOCTRL_VALUE,
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};
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#define OSC (V_OSCK/1000000)
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const struct dpll_params dpll_ddr = {
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400, OSC-1, 1, -1, -1, -1, -1};
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@ -80,18 +157,14 @@ void set_mux_conf_regs(void)
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enable_board_pin_mux();
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}
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const struct ctrl_ioregs ioregs = {
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.cm0ioctl = K4B2G1646EBIH9_IOCTRL_VALUE,
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.cm1ioctl = K4B2G1646EBIH9_IOCTRL_VALUE,
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.cm2ioctl = K4B2G1646EBIH9_IOCTRL_VALUE,
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.dt0ioctl = K4B2G1646EBIH9_IOCTRL_VALUE,
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.dt1ioctl = K4B2G1646EBIH9_IOCTRL_VALUE,
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};
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void sdram_init(void)
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{
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config_ddr(400, &ioregs, &ddr3_data,
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&ddr3_cmd_ctrl_data, &ddr3_emif_reg_data, 0);
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if (get_board_revision() == 1)
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config_ddr(400, &ioregs_igep0034, &ddr3_igep0034_data,
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&ddr3_igep0034_cmd_ctrl_data, &ddr3_igep0034_emif_reg_data, 0);
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else
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config_ddr(400, &ioregs_igep0034_lite, &ddr3_igep0034_lite_data,
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&ddr3_igep0034_lite_cmd_ctrl_data, &ddr3_igep0034_lite_emif_reg_data, 0);
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}
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#endif
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@ -107,6 +180,26 @@ int board_init(void)
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return 0;
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}
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#ifdef CONFIG_BOARD_LATE_INIT
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int board_late_init(void)
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{
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#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
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switch (get_board_revision()) {
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case 0:
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setenv("board_name", "igep0034-lite");
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break;
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case 1:
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setenv("board_name", "igep0034");
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break;
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default:
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setenv("board_name", "igep0033");
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break;
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}
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#endif
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return 0;
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}
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#endif
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#ifdef CONFIG_OF_BOARD_SETUP
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int ft_board_setup(void *blob, bd_t *bd)
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{
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@ -180,6 +273,9 @@ int board_eth_init(bd_t *bis)
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writel((GMII1_SEL_RMII | RMII1_IO_CLK_EN),
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&cdev->miisel);
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if (get_board_revision() == 1)
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cpsw_slaves[0].phy_addr = 1;
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rv = cpsw_register(&cpsw_data);
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if (rv < 0)
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printf("Error %d registering CPSW switch\n", rv);
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@ -32,7 +32,7 @@ static struct module_pin_mux mmc0_pin_mux[] = {
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{OFFSET(mmc0_dat0), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT0 */
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{OFFSET(mmc0_clk), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_CLK */
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{OFFSET(mmc0_cmd), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_CMD */
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{OFFSET(mcasp0_aclkx), (MODE(4) | RXACTIVE)}, /* MMC0_CD */
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{OFFSET(spi0_cs1), (MODE(5) | RXACTIVE | PULLUP_EN)}, /* MMC0_CD */
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{-1},
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};
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@ -69,6 +69,12 @@ static struct module_pin_mux rmii1_pin_mux[] = {
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{-1},
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};
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static struct module_pin_mux gpio_pin_mux[] = {
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{OFFSET(gpmc_ad10), (MODE(7) | RXACTIVE | PULLUP_EN)}, /* GPIO0_26 */
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{OFFSET(gpmc_ad11), (MODE(7) | RXACTIVE | PULLUP_EN)}, /* GPIO0_27 */
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{-1},
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};
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void enable_uart0_pin_mux(void)
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{
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configure_module_pin_mux(uart0_pin_mux);
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@ -85,4 +91,6 @@ void enable_board_pin_mux(void)
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configure_module_pin_mux(mmc0_pin_mux);
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/* Ethernet pinmux. */
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configure_module_pin_mux(rmii1_pin_mux);
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/* GPIO pinmux. */
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configure_module_pin_mux(gpio_pin_mux);
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}
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@ -34,7 +34,6 @@
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DEFAULT_LINUX_BOOT_ENV \
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"bootdir=/boot\0" \
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"bootfile=zImage\0" \
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"dtbfile=am335x-base0033.dtb\0" \
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"console=ttyO0,115200n8\0" \
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"mmcdev=0\0" \
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"mmcroot=/dev/mmcblk0p2 rw\0" \
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@ -48,7 +47,7 @@
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"importbootenv=echo Importing environment from mmc ...; " \
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"env import -t ${loadaddr} ${filesize}\0" \
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"mmcload=load mmc ${mmcdev}:2 ${loadaddr} ${bootdir}/${bootfile}; " \
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"load mmc ${mmcdev}:2 ${fdtaddr} ${bootdir}/${dtbfile}\0" \
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"load mmc ${mmcdev}:2 ${fdtaddr} ${bootdir}/${fdtfile}\0" \
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"mmcboot=mmc dev ${mmcdev}; " \
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"if mmc rescan; then " \
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"echo SD/MMC found on device ${mmcdev};" \
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@ -79,10 +78,20 @@
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"nandboot=echo Booting from nand ...; " \
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"run nandargs; " \
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"run nandload; " \
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"bootz ${loadaddr} - ${fdtaddr} \0"
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"bootz ${loadaddr} - ${fdtaddr} \0" \
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"findfdt="\
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"if test ${board_name} = igep0033; then " \
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"setenv fdtfile am335x-igep-base0033.dtb; fi; " \
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"if test ${board_name} = igep0034; then " \
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"setenv fdtfile am335x-igep-base0040.dtb; fi; " \
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"if test ${board_name} = igep0034-lite; then " \
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"setenv fdtfile am335x-igep-base0040-lite.dtb; fi; " \
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"if test ${fdtfile} = ''; then " \
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"echo WARNING: Could not determine device tree to use; fi; \0"
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#endif
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#define CONFIG_BOOTCOMMAND \
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"run findfdt;" \
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"run mmcboot;" \
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"run nandboot;"
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