upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
302 lines
9.3 KiB
302 lines
9.3 KiB
/*
|
|
* (C) Copyright 2012, Stefano Babic <sbabic@denx.de>
|
|
*
|
|
* (C) Copyright 2010 Freescale Semiconductor, Inc.
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc.
|
|
*/
|
|
#include <common.h>
|
|
#include <asm/io.h>
|
|
#include <asm/arch/imx-regs.h>
|
|
#include <asm/arch/mx5x_pins.h>
|
|
#include <asm/arch/sys_proto.h>
|
|
#include <asm/arch/crm_regs.h>
|
|
#include <asm/arch/clock.h>
|
|
#include <asm/arch/iomux.h>
|
|
#include <asm/errno.h>
|
|
#include <netdev.h>
|
|
#include <mmc.h>
|
|
#include <fsl_esdhc.h>
|
|
#include <asm/gpio.h>
|
|
|
|
/* NOR flash configuration */
|
|
#define IMA3_MX53_CS0GCR1 (CSEN | DSZ(2))
|
|
#define IMA3_MX53_CS0GCR2 0
|
|
#define IMA3_MX53_CS0RCR1 (RCSN(2) | OEN(1) | RWSC(15))
|
|
#define IMA3_MX53_CS0RCR2 0
|
|
#define IMA3_MX53_CS0WCR1 (WBED1 | WCSN(2) | WEN(1) | WWSC(15))
|
|
#define IMA3_MX53_CS0WCR2 0
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
static void weim_nor_settings(void)
|
|
{
|
|
struct weim *weim_regs = (struct weim *)WEIM_BASE_ADDR;
|
|
|
|
writel(IMA3_MX53_CS0GCR1, &weim_regs->cs0gcr1);
|
|
writel(IMA3_MX53_CS0GCR2, &weim_regs->cs0gcr2);
|
|
writel(IMA3_MX53_CS0RCR1, &weim_regs->cs0rcr1);
|
|
writel(IMA3_MX53_CS0RCR2, &weim_regs->cs0rcr2);
|
|
writel(IMA3_MX53_CS0WCR1, &weim_regs->cs0wcr1);
|
|
writel(IMA3_MX53_CS0WCR2, &weim_regs->cs0wcr2);
|
|
writel(0x0, &weim_regs->wcr);
|
|
|
|
set_chipselect_size(CS0_128);
|
|
}
|
|
|
|
int dram_init(void)
|
|
{
|
|
gd->ram_size = get_ram_size((void *) CONFIG_SYS_SDRAM_BASE,
|
|
PHYS_SDRAM_1_SIZE);
|
|
return 0;
|
|
}
|
|
|
|
static void setup_iomux_uart(void)
|
|
{
|
|
/* UART4 RXD */
|
|
mxc_request_iomux(MX53_PIN_CSI0_D13, IOMUX_CONFIG_ALT2);
|
|
mxc_iomux_set_pad(MX53_PIN_CSI0_D13,
|
|
PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
|
|
PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE |
|
|
PAD_CTL_100K_PU | PAD_CTL_ODE_OPENDRAIN_ENABLE);
|
|
mxc_iomux_set_input(MX53_UART4_IPP_UART_RXD_MUX_SELECT_INPUT, 0x3);
|
|
|
|
/* UART4 TXD */
|
|
mxc_request_iomux(MX53_PIN_CSI0_D12, IOMUX_CONFIG_ALT2);
|
|
mxc_iomux_set_pad(MX53_PIN_CSI0_D12,
|
|
PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
|
|
PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE |
|
|
PAD_CTL_100K_PU | PAD_CTL_ODE_OPENDRAIN_ENABLE);
|
|
}
|
|
|
|
static void setup_iomux_fec(void)
|
|
{
|
|
/*FEC_MDIO*/
|
|
mxc_request_iomux(MX53_PIN_FEC_MDIO, IOMUX_CONFIG_ALT0);
|
|
mxc_iomux_set_pad(MX53_PIN_FEC_MDIO,
|
|
PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
|
|
PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | PAD_CTL_22K_PU |
|
|
PAD_CTL_ODE_OPENDRAIN_ENABLE);
|
|
mxc_iomux_set_input(MX53_FEC_FEC_MDI_SELECT_INPUT, 0x1);
|
|
|
|
/*FEC_MDC*/
|
|
mxc_request_iomux(MX53_PIN_FEC_MDC, IOMUX_CONFIG_ALT0);
|
|
mxc_iomux_set_pad(MX53_PIN_FEC_MDC, PAD_CTL_DRV_HIGH);
|
|
|
|
/* FEC RXD3 */
|
|
mxc_request_iomux(MX53_PIN_KEY_COL0, IOMUX_CONFIG_ALT6);
|
|
mxc_iomux_set_pad(MX53_PIN_KEY_COL0, PAD_CTL_HYS_ENABLE |
|
|
PAD_CTL_PKE_ENABLE);
|
|
|
|
/* FEC RXD2 */
|
|
mxc_request_iomux(MX53_PIN_KEY_COL2, IOMUX_CONFIG_ALT6);
|
|
mxc_iomux_set_pad(MX53_PIN_KEY_COL2, PAD_CTL_HYS_ENABLE |
|
|
PAD_CTL_PKE_ENABLE);
|
|
|
|
/* FEC RXD1 */
|
|
mxc_request_iomux(MX53_PIN_FEC_RXD1, IOMUX_CONFIG_ALT0);
|
|
mxc_iomux_set_pad(MX53_PIN_FEC_RXD1, PAD_CTL_HYS_ENABLE |
|
|
PAD_CTL_PKE_ENABLE);
|
|
|
|
/* FEC RXD0 */
|
|
mxc_request_iomux(MX53_PIN_FEC_RXD0, IOMUX_CONFIG_ALT0);
|
|
mxc_iomux_set_pad(MX53_PIN_FEC_RXD0, PAD_CTL_HYS_ENABLE |
|
|
PAD_CTL_PKE_ENABLE);
|
|
|
|
/* FEC TXD3 */
|
|
mxc_request_iomux(MX53_PIN_GPIO_19, IOMUX_CONFIG_ALT6);
|
|
mxc_iomux_set_pad(MX53_PIN_GPIO_19, PAD_CTL_DRV_HIGH);
|
|
|
|
/* FEC TXD2 */
|
|
mxc_request_iomux(MX53_PIN_KEY_ROW2, IOMUX_CONFIG_ALT6);
|
|
mxc_iomux_set_pad(MX53_PIN_KEY_ROW2, PAD_CTL_DRV_HIGH);
|
|
|
|
/* FEC TXD1 */
|
|
mxc_request_iomux(MX53_PIN_FEC_TXD1, IOMUX_CONFIG_ALT0);
|
|
mxc_iomux_set_pad(MX53_PIN_FEC_TXD1, PAD_CTL_DRV_HIGH);
|
|
|
|
/* FEC TXD0 */
|
|
mxc_request_iomux(MX53_PIN_FEC_TXD0, IOMUX_CONFIG_ALT0);
|
|
mxc_iomux_set_pad(MX53_PIN_FEC_TXD0, PAD_CTL_DRV_HIGH);
|
|
|
|
/* FEC TX_EN */
|
|
mxc_request_iomux(MX53_PIN_FEC_TX_EN, IOMUX_CONFIG_ALT0);
|
|
mxc_iomux_set_pad(MX53_PIN_FEC_TX_EN, PAD_CTL_DRV_HIGH);
|
|
|
|
/* FEC TX_CLK */
|
|
mxc_request_iomux(MX53_PIN_FEC_REF_CLK, IOMUX_CONFIG_ALT0);
|
|
mxc_iomux_set_pad(MX53_PIN_FEC_REF_CLK, PAD_CTL_HYS_ENABLE |
|
|
PAD_CTL_PKE_ENABLE);
|
|
|
|
/* FEC RX_ER */
|
|
mxc_request_iomux(MX53_PIN_FEC_RX_ER, IOMUX_CONFIG_ALT0);
|
|
mxc_iomux_set_pad(MX53_PIN_FEC_RX_ER, PAD_CTL_HYS_ENABLE |
|
|
PAD_CTL_PKE_ENABLE);
|
|
|
|
/* FEC RX_DV */
|
|
mxc_request_iomux(MX53_PIN_FEC_CRS_DV, IOMUX_CONFIG_ALT0);
|
|
mxc_iomux_set_pad(MX53_PIN_FEC_CRS_DV, PAD_CTL_HYS_ENABLE |
|
|
PAD_CTL_PKE_ENABLE);
|
|
|
|
/* FEC CRS */
|
|
mxc_request_iomux(MX53_PIN_KEY_COL3, IOMUX_CONFIG_ALT6);
|
|
mxc_iomux_set_pad(MX53_PIN_KEY_COL3, PAD_CTL_HYS_ENABLE |
|
|
PAD_CTL_PKE_ENABLE);
|
|
|
|
/* FEC COL */
|
|
mxc_request_iomux(MX53_PIN_KEY_ROW1, IOMUX_CONFIG_ALT6);
|
|
mxc_iomux_set_pad(MX53_PIN_KEY_ROW1, PAD_CTL_HYS_ENABLE |
|
|
PAD_CTL_PKE_ENABLE);
|
|
mxc_iomux_set_input(MX53_FEC_FEC_COL_SELECT_INPUT, 0x0);
|
|
|
|
/* FEC RX_CLK */
|
|
mxc_request_iomux(MX53_PIN_KEY_COL1, IOMUX_CONFIG_ALT6);
|
|
mxc_iomux_set_pad(MX53_PIN_KEY_COL1, PAD_CTL_HYS_ENABLE |
|
|
PAD_CTL_PKE_ENABLE);
|
|
mxc_iomux_set_input(MX53_FEC_FEC_RX_CLK_SELECT_INPUT, 0x0);
|
|
}
|
|
|
|
#ifdef CONFIG_FSL_ESDHC
|
|
struct fsl_esdhc_cfg esdhc_cfg = { MMC_SDHC1_BASE_ADDR, 1 };
|
|
|
|
int board_mmc_getcd(struct mmc *mmc)
|
|
{
|
|
int ret;
|
|
|
|
ret = !gpio_get_value(IOMUX_TO_GPIO(MX53_PIN_GPIO_1));
|
|
|
|
return ret;
|
|
}
|
|
|
|
int board_mmc_init(bd_t *bis)
|
|
{
|
|
mxc_request_iomux(MX53_PIN_SD1_CMD, IOMUX_CONFIG_ALT0);
|
|
mxc_request_iomux(MX53_PIN_SD1_CLK, IOMUX_CONFIG_ALT0);
|
|
mxc_request_iomux(MX53_PIN_SD1_DATA0, IOMUX_CONFIG_ALT0);
|
|
mxc_request_iomux(MX53_PIN_SD1_DATA1, IOMUX_CONFIG_ALT0);
|
|
mxc_request_iomux(MX53_PIN_SD1_DATA2, IOMUX_CONFIG_ALT0);
|
|
mxc_request_iomux(MX53_PIN_SD1_DATA3, IOMUX_CONFIG_ALT0);
|
|
mxc_request_iomux(MX53_PIN_GPIO_1, IOMUX_CONFIG_ALT1);
|
|
mxc_iomux_set_pad(MX53_PIN_GPIO_1,
|
|
PAD_CTL_DRV_HIGH | PAD_CTL_HYS_ENABLE |
|
|
PAD_CTL_PUE_KEEPER | PAD_CTL_100K_PU |
|
|
PAD_CTL_ODE_OPENDRAIN_NONE | PAD_CTL_PKE_ENABLE);
|
|
gpio_direction_input(IOMUX_TO_GPIO(MX53_PIN_GPIO_1));
|
|
|
|
mxc_iomux_set_pad(MX53_PIN_SD1_CMD,
|
|
PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_PUE_PULL |
|
|
PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU);
|
|
mxc_iomux_set_pad(MX53_PIN_SD1_CLK,
|
|
PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE |
|
|
PAD_CTL_47K_PU | PAD_CTL_DRV_HIGH);
|
|
mxc_iomux_set_pad(MX53_PIN_SD1_DATA0,
|
|
PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_PUE_PULL |
|
|
PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
|
|
mxc_iomux_set_pad(MX53_PIN_SD1_DATA1,
|
|
PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_PUE_PULL |
|
|
PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
|
|
mxc_iomux_set_pad(MX53_PIN_SD1_DATA2,
|
|
PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_PUE_PULL |
|
|
PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
|
|
mxc_iomux_set_pad(MX53_PIN_SD1_DATA3,
|
|
PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_PUE_PULL |
|
|
PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
|
|
|
|
return fsl_esdhc_initialize(bis, &esdhc_cfg);
|
|
}
|
|
#endif
|
|
|
|
static void setup_iomux_spi(void)
|
|
{
|
|
/* SCLK */
|
|
mxc_request_iomux(MX53_PIN_CSI0_D8, IOMUX_CONFIG_ALT3);
|
|
mxc_iomux_set_pad(MX53_PIN_CSI0_D8,
|
|
PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_PUE_PULL |
|
|
PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
|
|
mxc_iomux_set_input(MX53_ECSPI2_IPP_CSPI_CLK_IN_SELECT_INPUT, 0x1);
|
|
/* MOSI */
|
|
mxc_request_iomux(MX53_PIN_CSI0_D9, IOMUX_CONFIG_ALT3);
|
|
mxc_iomux_set_pad(MX53_PIN_CSI0_D9,
|
|
PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_PUE_PULL |
|
|
PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
|
|
mxc_iomux_set_input(MX53_ECSPI2_IPP_IND_MOSI_SELECT_INPUT, 0x1);
|
|
/* MISO */
|
|
mxc_request_iomux(MX53_PIN_CSI0_D10, IOMUX_CONFIG_ALT3);
|
|
mxc_iomux_set_pad(MX53_PIN_CSI0_D10,
|
|
PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_PUE_PULL |
|
|
PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
|
|
mxc_iomux_set_input(MX53_ECSPI2_IPP_IND_MISO_SELECT_INPUT, 0x1);
|
|
/* SSEL 0 */
|
|
mxc_request_iomux(MX53_PIN_CSI0_D11, IOMUX_CONFIG_GPIO);
|
|
mxc_iomux_set_pad(MX53_PIN_CSI0_D11,
|
|
PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_PUE_PULL |
|
|
PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
|
|
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_CSI0_D11), 1);
|
|
}
|
|
|
|
int board_early_init_f(void)
|
|
{
|
|
/* configure I/O pads */
|
|
setup_iomux_uart();
|
|
setup_iomux_fec();
|
|
|
|
weim_nor_settings();
|
|
|
|
/* configure spi */
|
|
setup_iomux_spi();
|
|
|
|
return 0;
|
|
}
|
|
|
|
int board_init(void)
|
|
{
|
|
gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
|
|
|
|
mxc_set_sata_internal_clock();
|
|
|
|
return 0;
|
|
}
|
|
|
|
#if defined(CONFIG_RESET_PHY_R)
|
|
#include <miiphy.h>
|
|
|
|
void reset_phy(void)
|
|
{
|
|
unsigned short reg;
|
|
|
|
/* reset the phy */
|
|
miiphy_reset("FEC", CONFIG_PHY_ADDR);
|
|
|
|
/* set hard link to 100Mbit, full-duplex */
|
|
miiphy_read("FEC", CONFIG_PHY_ADDR, MII_BMCR, ®);
|
|
reg &= ~BMCR_ANENABLE;
|
|
reg |= (BMCR_SPEED100 | BMCR_FULLDPLX);
|
|
miiphy_write("FEC", CONFIG_PHY_ADDR, MII_BMCR, reg);
|
|
|
|
miiphy_read("FEC", CONFIG_PHY_ADDR, 0x16, ®);
|
|
reg |= (1 << 5);
|
|
miiphy_write("FEC", CONFIG_PHY_ADDR, 0x16, reg);
|
|
}
|
|
#endif
|
|
|
|
int checkboard(void)
|
|
{
|
|
puts("Board: IMA3_MX53\n");
|
|
|
|
return 0;
|
|
}
|
|
|