diff options
Diffstat (limited to 'arch/arm/cpu/armv7/mx6/opos6ul.c')
| -rw-r--r-- | arch/arm/cpu/armv7/mx6/opos6ul.c | 302 |
1 files changed, 0 insertions, 302 deletions
diff --git a/arch/arm/cpu/armv7/mx6/opos6ul.c b/arch/arm/cpu/armv7/mx6/opos6ul.c deleted file mode 100644 index ea2f0ec..0000000 --- a/arch/arm/cpu/armv7/mx6/opos6ul.c +++ /dev/null @@ -1,302 +0,0 @@ -/* - * Copyright (C) 2017 Armadeus Systems - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <asm/arch/clock.h> -#include <asm/arch/crm_regs.h> -#include <asm/arch/imx-regs.h> -#include <asm/arch/iomux.h> -#include <asm/arch/mx6-pins.h> -#include <asm/arch/mx6ul_pins.h> -#include <asm/arch/sys_proto.h> -#include <asm/gpio.h> -#include <asm/imx-common/iomux-v3.h> -#include <asm/io.h> -#include <common.h> -#include <environment.h> -#include <fsl_esdhc.h> -#include <mmc.h> - -DECLARE_GLOBAL_DATA_PTR; - -#ifdef CONFIG_FEC_MXC -#include <miiphy.h> - -#define MDIO_PAD_CTRL ( \ - PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ - PAD_CTL_DSE_40ohm \ -) - -#define ENET_PAD_CTRL_PU ( \ - PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ - PAD_CTL_DSE_40ohm \ -) - -#define ENET_PAD_CTRL_PD ( \ - PAD_CTL_HYS | PAD_CTL_PUS_100K_DOWN | PAD_CTL_SPEED_MED | \ - PAD_CTL_DSE_40ohm \ -) - -#define ENET_CLK_PAD_CTRL ( \ - PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_LOW | \ - PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST \ -) - -static iomux_v3_cfg_t const fec1_pads[] = { - MX6_PAD_GPIO1_IO06__ENET1_MDIO | MUX_PAD_CTRL(MDIO_PAD_CTRL), - MX6_PAD_GPIO1_IO07__ENET1_MDC | MUX_PAD_CTRL(MDIO_PAD_CTRL), - MX6_PAD_ENET1_RX_ER__ENET1_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL_PD), - MX6_PAD_ENET1_RX_EN__ENET1_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL_PD), - MX6_PAD_ENET1_RX_DATA1__ENET1_RDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL_PD), - MX6_PAD_ENET1_RX_DATA0__ENET1_RDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL_PD), - MX6_PAD_ENET1_TX_DATA0__ENET1_TDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL_PU), - MX6_PAD_ENET1_TX_DATA1__ENET1_TDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL_PU), - MX6_PAD_ENET1_TX_EN__ENET1_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL_PU), - /* PHY Int */ - MX6_PAD_NAND_DQS__GPIO4_IO16 | MUX_PAD_CTRL(ENET_PAD_CTRL_PU), - /* PHY Reset */ - MX6_PAD_NAND_DATA00__GPIO4_IO02 | MUX_PAD_CTRL(ENET_PAD_CTRL_PD), - MX6_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL), -}; - -int board_phy_config(struct phy_device *phydev) -{ - phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x8190); - - if (phydev->drv->config) - phydev->drv->config(phydev); - - return 0; -} - -int board_eth_init(bd_t *bis) -{ - struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; - struct gpio_desc rst; - int ret; - - /* Use 50M anatop loopback REF_CLK1 for ENET1, - * clear gpr1[13], set gpr1[17] */ - clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK, - IOMUX_GPR1_FEC1_CLOCK_MUX1_SEL_MASK); - - ret = enable_fec_anatop_clock(0, ENET_50MHZ); - if (ret) - return ret; - - enable_enet_clk(1); - - imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads)); - - ret = dm_gpio_lookup_name("GPIO4_2", &rst); - if (ret) { - printf("Cannot get GPIO4_2\n"); - return ret; - } - - ret = dm_gpio_request(&rst, "phy-rst"); - if (ret) { - printf("Cannot request GPIO4_2\n"); - return ret; - } - - dm_gpio_set_dir_flags(&rst, GPIOD_IS_OUT); - dm_gpio_set_value(&rst, 0); - udelay(1000); - dm_gpio_set_value(&rst, 1); - - return fecmxc_initialize(bis); -} -#endif /* CONFIG_FEC_MXC */ - -int board_init(void) -{ - /* Address of boot parameters */ - gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; - - return 0; -} - -int __weak opos6ul_board_late_init(void) -{ - return 0; -} - -int board_late_init(void) -{ - struct src *psrc = (struct src *)SRC_BASE_ADDR; - unsigned reg = readl(&psrc->sbmr2); - - /* In bootstrap don't use the env vars */ - if (((reg & 0x3000000) >> 24) == 0x1) { - set_default_env(NULL); - setenv("preboot", ""); - } - - return opos6ul_board_late_init(); -} - -int board_mmc_getcd(struct mmc *mmc) -{ - struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; - return cfg->esdhc_base == USDHC1_BASE_ADDR; -} - -int dram_init(void) -{ - gd->ram_size = imx_ddr_size(); - - return 0; -} - -#ifdef CONFIG_SPL_BUILD -#include <asm/arch/mx6-ddr.h> -#include <asm/arch/opos6ul.h> -#include <libfdt.h> -#include <spl.h> - -#define USDHC_PAD_CTRL ( \ - PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_MED | \ - PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST \ -) - -struct fsl_esdhc_cfg usdhc_cfg[1] = { - {USDHC1_BASE_ADDR, 0, 8}, -}; - -static iomux_v3_cfg_t const usdhc1_pads[] = { - MX6_PAD_SD1_CLK__USDHC1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD1_CMD__USDHC1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD1_DATA0__USDHC1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD1_DATA1__USDHC1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD1_DATA2__USDHC1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD1_DATA3__USDHC1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_NAND_READY_B__USDHC1_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_NAND_CE0_B__USDHC1_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_NAND_CE1_B__USDHC1_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_NAND_CLE__USDHC1_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), -}; - -static struct mx6ul_iomux_grp_regs mx6_grp_ioregs = { - .grp_addds = 0x00000030, - .grp_ddrmode_ctl = 0x00020000, - .grp_b0ds = 0x00000030, - .grp_ctlds = 0x00000030, - .grp_b1ds = 0x00000030, - .grp_ddrpke = 0x00000000, - .grp_ddrmode = 0x00020000, - .grp_ddr_type = 0x000c0000, -}; - -static struct mx6ul_iomux_ddr_regs mx6_ddr_ioregs = { - .dram_dqm0 = 0x00000030, - .dram_dqm1 = 0x00000030, - .dram_ras = 0x00000030, - .dram_cas = 0x00000030, - .dram_odt0 = 0x00000030, - .dram_odt1 = 0x00000030, - .dram_sdba2 = 0x00000000, - .dram_sdclk_0 = 0x00000008, - .dram_sdqs0 = 0x00000038, - .dram_sdqs1 = 0x00000030, - .dram_reset = 0x00000030, -}; - -static struct mx6_mmdc_calibration mx6_mmcd_calib = { - .p0_mpwldectrl0 = 0x00070007, - .p0_mpdgctrl0 = 0x41490145, - .p0_mprddlctl = 0x40404546, - .p0_mpwrdlctl = 0x4040524D, -}; - -struct mx6_ddr_sysinfo ddr_sysinfo = { - .dsize = 0, - .cs_density = 20, - .ncs = 1, - .cs1_mirror = 0, - .rtt_wr = 2, - .rtt_nom = 1, /* RTT_Nom = RZQ/2 */ - .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, -}; - -static struct mx6_ddr3_cfg mem_ddr = { - .mem_speed = 800, - .density = 2, - .width = 16, - .banks = 8, - .rowaddr = 14, - .coladdr = 10, - .pagesz = 2, - .trcd = 1500, - .trcmin = 5250, - .trasmin = 3750, -}; - -int board_mmc_init(bd_t *bis) -{ - imx_iomux_v3_setup_multiple_pads(usdhc1_pads, ARRAY_SIZE(usdhc1_pads)); - usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); - return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); -} - -static void ccgr_init(void) -{ - struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; - - writel(0xFFFFFFFF, &ccm->CCGR0); - writel(0xFFFFFFFF, &ccm->CCGR1); - writel(0xFFFFFFFF, &ccm->CCGR2); - writel(0xFFFFFFFF, &ccm->CCGR3); - writel(0xFFFFFFFF, &ccm->CCGR4); - writel(0xFFFFFFFF, &ccm->CCGR5); - writel(0xFFFFFFFF, &ccm->CCGR6); - writel(0xFFFFFFFF, &ccm->CCGR7); -} - -static void spl_dram_init(void) -{ - struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR; - struct fuse_bank *bank = &ocotp->bank[4]; - struct fuse_bank4_regs *fuse = - (struct fuse_bank4_regs *)bank->fuse_regs; - int reg = readl(&fuse->gp1); - - /* 512MB of RAM */ - if (reg & 0x1) { - mem_ddr.density = 4; - mem_ddr.rowaddr = 15; - mem_ddr.trcd = 1375; - mem_ddr.trcmin = 4875; - mem_ddr.trasmin = 3500; - } - - mx6ul_dram_iocfg(mem_ddr.width, &mx6_ddr_ioregs, &mx6_grp_ioregs); - mx6_dram_cfg(&ddr_sysinfo, &mx6_mmcd_calib, &mem_ddr); -} - -void board_init_f(ulong dummy) -{ - ccgr_init(); - - /* setup AIPS and disable watchdog */ - arch_cpu_init(); - - /* setup GP timer */ - timer_init(); - - /* UART clocks enabled and gd valid - init serial console */ - opos6ul_setup_uart_debug(); - preloader_console_init(); - - /* DDR initialization */ - spl_dram_init(); -} -#endif /* CONFIG_SPL_BUILD */ |