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
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315 lines
8.9 KiB
315 lines
8.9 KiB
/*
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* (C) Copyright 2011 Freescale Semiconductor, Inc.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <asm/io.h>
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#include <asm/arch/imx-regs.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/arch/crm_regs.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/iomux-mx53.h>
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#include <linux/errno.h>
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#include <netdev.h>
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#include <mmc.h>
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#include <fsl_esdhc.h>
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#include <asm/gpio.h>
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#define ETHERNET_INT IMX_GPIO_NR(2, 31)
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DECLARE_GLOBAL_DATA_PTR;
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int dram_init(void)
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{
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u32 size1, size2;
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size1 = get_ram_size((void *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
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size2 = get_ram_size((void *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE);
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gd->ram_size = size1 + size2;
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return 0;
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}
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void dram_init_banksize(void)
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{
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gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
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gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
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gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
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gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
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}
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#ifdef CONFIG_NAND_MXC
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static void setup_iomux_nand(void)
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{
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static const iomux_v3_cfg_t nand_pads[] = {
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NEW_PAD_CTRL(MX53_PAD_NANDF_CS0__EMI_NANDF_CS_0,
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PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_NANDF_CS1__EMI_NANDF_CS_1,
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PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_NANDF_RB0__EMI_NANDF_RB_0,
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PAD_CTL_PUS_100K_UP),
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NEW_PAD_CTRL(MX53_PAD_NANDF_CLE__EMI_NANDF_CLE,
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PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_NANDF_ALE__EMI_NANDF_ALE,
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PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_NANDF_WP_B__EMI_NANDF_WP_B,
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PAD_CTL_PUS_100K_UP),
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NEW_PAD_CTRL(MX53_PAD_NANDF_RE_B__EMI_NANDF_RE_B,
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PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_NANDF_WE_B__EMI_NANDF_WE_B,
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PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_EIM_DA0__EMI_NAND_WEIM_DA_0,
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PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_EIM_DA1__EMI_NAND_WEIM_DA_1,
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PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_EIM_DA2__EMI_NAND_WEIM_DA_2,
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PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_EIM_DA3__EMI_NAND_WEIM_DA_3,
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PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_EIM_DA4__EMI_NAND_WEIM_DA_4,
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PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_EIM_DA5__EMI_NAND_WEIM_DA_5,
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PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_EIM_DA6__EMI_NAND_WEIM_DA_6,
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PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_EIM_DA7__EMI_NAND_WEIM_DA_7,
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PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
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};
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u32 i, reg;
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reg = __raw_readl(M4IF_BASE_ADDR + 0xc);
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reg &= ~M4IF_GENP_WEIM_MM_MASK;
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__raw_writel(reg, M4IF_BASE_ADDR + 0xc);
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for (i = 0x4; i < 0x94; i += 0x18) {
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reg = __raw_readl(WEIM_BASE_ADDR + i);
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reg &= ~WEIM_GCR2_MUX16_BYP_GRANT_MASK;
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__raw_writel(reg, WEIM_BASE_ADDR + i);
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}
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imx_iomux_v3_setup_multiple_pads(nand_pads, ARRAY_SIZE(nand_pads));
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}
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#else
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static void setup_iomux_nand(void)
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{
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}
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#endif
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#define UART_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \
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PAD_CTL_PUS_100K_UP | PAD_CTL_ODE)
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static void setup_iomux_uart(void)
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{
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static const iomux_v3_cfg_t uart_pads[] = {
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NEW_PAD_CTRL(MX53_PAD_PATA_DMACK__UART1_RXD_MUX, UART_PAD_CTRL),
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NEW_PAD_CTRL(MX53_PAD_PATA_DIOW__UART1_TXD_MUX, UART_PAD_CTRL),
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};
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imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));
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}
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#ifdef CONFIG_FSL_ESDHC
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struct fsl_esdhc_cfg esdhc_cfg[2] = {
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{MMC_SDHC1_BASE_ADDR},
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{MMC_SDHC2_BASE_ADDR},
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};
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int board_mmc_getcd(struct mmc *mmc)
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{
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struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
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int ret;
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imx_iomux_v3_setup_pad(MX53_PAD_GPIO_1__GPIO1_1);
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gpio_direction_input(IMX_GPIO_NR(1, 1));
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imx_iomux_v3_setup_pad(MX53_PAD_GPIO_4__GPIO1_4);
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gpio_direction_input(IMX_GPIO_NR(1, 4));
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if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
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ret = !gpio_get_value(IMX_GPIO_NR(1, 1));
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else
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ret = !gpio_get_value(IMX_GPIO_NR(1, 4));
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return ret;
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}
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#define SD_CMD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \
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PAD_CTL_PUS_100K_UP)
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#define SD_CLK_PAD_CTRL (PAD_CTL_PUS_47K_UP | PAD_CTL_DSE_HIGH)
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#define SD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | \
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PAD_CTL_DSE_HIGH)
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int board_mmc_init(bd_t *bis)
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{
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static const iomux_v3_cfg_t sd1_pads[] = {
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NEW_PAD_CTRL(MX53_PAD_SD1_CMD__ESDHC1_CMD, SD_CMD_PAD_CTRL),
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NEW_PAD_CTRL(MX53_PAD_SD1_CLK__ESDHC1_CLK, SD_CLK_PAD_CTRL),
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NEW_PAD_CTRL(MX53_PAD_SD1_DATA0__ESDHC1_DAT0, SD_PAD_CTRL),
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NEW_PAD_CTRL(MX53_PAD_SD1_DATA1__ESDHC1_DAT1, SD_PAD_CTRL),
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NEW_PAD_CTRL(MX53_PAD_SD1_DATA2__ESDHC1_DAT2, SD_PAD_CTRL),
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NEW_PAD_CTRL(MX53_PAD_SD1_DATA3__ESDHC1_DAT3, SD_PAD_CTRL),
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};
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static const iomux_v3_cfg_t sd2_pads[] = {
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NEW_PAD_CTRL(MX53_PAD_SD2_CMD__ESDHC2_CMD, SD_CMD_PAD_CTRL),
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NEW_PAD_CTRL(MX53_PAD_SD2_CLK__ESDHC2_CLK, SD_CLK_PAD_CTRL),
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NEW_PAD_CTRL(MX53_PAD_SD2_DATA0__ESDHC2_DAT0, SD_PAD_CTRL),
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NEW_PAD_CTRL(MX53_PAD_SD2_DATA1__ESDHC2_DAT1, SD_PAD_CTRL),
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NEW_PAD_CTRL(MX53_PAD_SD2_DATA2__ESDHC2_DAT2, SD_PAD_CTRL),
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NEW_PAD_CTRL(MX53_PAD_SD2_DATA3__ESDHC2_DAT3, SD_PAD_CTRL),
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NEW_PAD_CTRL(MX53_PAD_PATA_DATA12__ESDHC2_DAT4, SD_PAD_CTRL),
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NEW_PAD_CTRL(MX53_PAD_PATA_DATA13__ESDHC2_DAT5, SD_PAD_CTRL),
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NEW_PAD_CTRL(MX53_PAD_PATA_DATA14__ESDHC2_DAT6, SD_PAD_CTRL),
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NEW_PAD_CTRL(MX53_PAD_PATA_DATA15__ESDHC2_DAT7, SD_PAD_CTRL),
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};
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u32 index;
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int ret;
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esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
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esdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
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for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM; index++) {
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switch (index) {
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case 0:
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imx_iomux_v3_setup_multiple_pads(sd1_pads,
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ARRAY_SIZE(sd1_pads));
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break;
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case 1:
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imx_iomux_v3_setup_multiple_pads(sd2_pads,
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ARRAY_SIZE(sd2_pads));
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break;
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default:
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printf("Warning: you configured more ESDHC controller"
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"(%d) as supported by the board(2)\n",
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CONFIG_SYS_FSL_ESDHC_NUM);
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return -EINVAL;
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}
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ret = fsl_esdhc_initialize(bis, &esdhc_cfg[index]);
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if (ret)
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return ret;
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}
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return 0;
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}
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#endif
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static void weim_smc911x_iomux(void)
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{
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static const iomux_v3_cfg_t weim_smc911x_pads[] = {
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/* Data bus */
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NEW_PAD_CTRL(MX53_PAD_EIM_D16__EMI_WEIM_D_16,
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PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_EIM_D17__EMI_WEIM_D_17,
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PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_EIM_D18__EMI_WEIM_D_18,
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PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_EIM_D19__EMI_WEIM_D_19,
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PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_EIM_D20__EMI_WEIM_D_20,
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PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_EIM_D21__EMI_WEIM_D_21,
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PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_EIM_D22__EMI_WEIM_D_22,
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PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_EIM_D23__EMI_WEIM_D_23,
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PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_EIM_D24__EMI_WEIM_D_24,
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PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_EIM_D25__EMI_WEIM_D_25,
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PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_EIM_D26__EMI_WEIM_D_26,
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PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_EIM_D27__EMI_WEIM_D_27,
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PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_EIM_D28__EMI_WEIM_D_28,
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PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_EIM_D29__EMI_WEIM_D_29,
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PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_EIM_D30__EMI_WEIM_D_30,
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PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_EIM_D31__EMI_WEIM_D_31,
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PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
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/* Address lines */
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NEW_PAD_CTRL(MX53_PAD_EIM_DA0__EMI_NAND_WEIM_DA_0,
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PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_EIM_DA1__EMI_NAND_WEIM_DA_1,
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PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_EIM_DA2__EMI_NAND_WEIM_DA_2,
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PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_EIM_DA3__EMI_NAND_WEIM_DA_3,
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PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_EIM_DA4__EMI_NAND_WEIM_DA_4,
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PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_EIM_DA5__EMI_NAND_WEIM_DA_5,
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PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_EIM_DA6__EMI_NAND_WEIM_DA_6,
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PAD_CTL_PKE | PAD_CTL_DSE_HIGH),
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/* other EIM signals for ethernet */
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MX53_PAD_EIM_OE__EMI_WEIM_OE,
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MX53_PAD_EIM_RW__EMI_WEIM_RW,
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MX53_PAD_EIM_CS1__EMI_WEIM_CS_1,
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};
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/* ETHERNET_INT as GPIO2_31 */
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imx_iomux_v3_setup_pad(MX53_PAD_EIM_EB3__GPIO2_31);
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gpio_direction_input(ETHERNET_INT);
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/* WEIM bus */
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imx_iomux_v3_setup_multiple_pads(weim_smc911x_pads,
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ARRAY_SIZE(weim_smc911x_pads));
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}
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static void weim_cs1_settings(void)
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{
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struct weim *weim_regs = (struct weim *)WEIM_BASE_ADDR;
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writel(MX53ARD_CS1GCR1, &weim_regs->cs1gcr1);
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writel(0x0, &weim_regs->cs1gcr2);
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writel(MX53ARD_CS1RCR1, &weim_regs->cs1rcr1);
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writel(MX53ARD_CS1RCR2, &weim_regs->cs1rcr2);
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writel(MX53ARD_CS1WCR1, &weim_regs->cs1wcr1);
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writel(0x0, &weim_regs->cs1wcr2);
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writel(0x0, &weim_regs->wcr);
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set_chipselect_size(CS0_64M_CS1_64M);
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}
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int board_early_init_f(void)
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{
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setup_iomux_nand();
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setup_iomux_uart();
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return 0;
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}
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int board_init(void)
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{
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/* address of boot parameters */
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gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
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return 0;
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}
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int board_eth_init(bd_t *bis)
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{
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int rc = -ENODEV;
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weim_smc911x_iomux();
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weim_cs1_settings();
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#ifdef CONFIG_SMC911X
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rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
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#endif
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return rc;
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}
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int checkboard(void)
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{
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puts("Board: MX53ARD\n");
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return 0;
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}
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