+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2016 Stefan Roese <sr@denx.de>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
+#include <dm/device-internal.h>
+#include <env.h>
+#include <env_internal.h>
#include <i2c.h>
+#include <init.h>
+#include <mmc.h>
+#include <miiphy.h>
#include <phy.h>
+#include <asm/global_data.h>
#include <asm/io.h>
#include <asm/arch/cpu.h>
#include <asm/arch/soc.h>
+#include <linux/delay.h>
DECLARE_GLOBAL_DATA_PTR;
/* Switch Port Registers */
#define MVEBU_SW_LINK_CTRL_REG (1)
#define MVEBU_SW_PORT_CTRL_REG (4)
+#define MVEBU_SW_PORT_BASE_VLAN (6)
/* Global 2 Registers */
#define MVEBU_G2_SMI_PHY_CMD_REG (24)
#define MVEBU_G2_SMI_PHY_DATA_REG (25)
+/*
+ * Memory Controller Registers
+ *
+ * Assembled based on public information:
+ * https://gitlab.nic.cz/turris/mox-boot-builder/-/blob/v2020.11.26/wtmi/main.c#L332-336
+ * https://github.com/MarvellEmbeddedProcessors/mv-ddr-marvell/blob/mv_ddr-armada-18.12/drivers/mv_ddr_mc6.h#L309-L332
+ *
+ * And checked against the written register values for the various topologies:
+ * https://github.com/MarvellEmbeddedProcessors/mv-ddr-marvell/blob/master/a3700/mv_ddr_tim.h
+ */
+#define A3700_CH0_MC_CTRL2_REG MVEBU_REGISTER(0x002c4)
+#define A3700_MC_CTRL2_SDRAM_TYPE_MASK 0xf
+#define A3700_MC_CTRL2_SDRAM_TYPE_OFFS 4
+#define A3700_MC_CTRL2_SDRAM_TYPE_DDR3 2
+#define A3700_MC_CTRL2_SDRAM_TYPE_DDR4 3
+
int board_early_init_f(void)
{
- const void *blob = gd->fdt_blob;
- const char *bank_name;
- const char *compat = "marvell,armada-3700-pinctl";
- int off, len;
- void __iomem *addr;
-
- /* FIXME
- * Temporary WA for setting correct pin control values
- * until the real pin control driver is awailable.
- */
- off = fdt_node_offset_by_compatible(blob, -1, compat);
- while (off != -FDT_ERR_NOTFOUND) {
- bank_name = fdt_getprop(blob, off, "bank-name", &len);
- addr = (void __iomem *)fdtdec_get_addr_size_auto_noparent(
- blob, off, "reg", 0, NULL, true);
- if (!strncmp(bank_name, "armada-3700-nb", len))
- writel(PINCTRL_NB_REG_VALUE, addr);
- else if (!strncmp(bank_name, "armada-3700-sb", len))
- writel(PINCTRL_SB_REG_VALUE, addr);
-
- off = fdt_node_offset_by_compatible(blob, off, compat);
- }
-
return 0;
}
int board_init(void)
{
/* adress of boot parameters */
- gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+ gd->bd->bi_boot_params = CFG_SYS_SDRAM_BASE + 0x100;
return 0;
}
+#ifdef CONFIG_BOARD_LATE_INIT
+int board_late_init(void)
+{
+ char *ptr = &default_environment[0];
+ struct udevice *dev;
+ struct mmc *mmc_dev;
+ bool ddr4, emmc;
+ const char *mac;
+ char eth[10];
+ int i;
+
+ if (!of_machine_is_compatible("globalscale,espressobin"))
+ return 0;
+
+ /* Find free buffer in default_environment[] for new variables */
+ while (*ptr != '\0' && *(ptr+1) != '\0') ptr++;
+ ptr += 2;
+
+ /*
+ * Ensure that 'env default -a' does not erase permanent MAC addresses
+ * stored in env variables: $ethaddr, $eth1addr, $eth2addr and $eth3addr
+ */
+
+ mac = env_get("ethaddr");
+ if (mac && strlen(mac) <= 17)
+ ptr += sprintf(ptr, "ethaddr=%s", mac) + 1;
+
+ for (i = 1; i <= 3; i++) {
+ sprintf(eth, "eth%daddr", i);
+ mac = env_get(eth);
+ if (mac && strlen(mac) <= 17)
+ ptr += sprintf(ptr, "%s=%s", eth, mac) + 1;
+ }
+
+ /* If the memory controller has been configured for DDR4, we're running on v7 */
+ ddr4 = ((readl(A3700_CH0_MC_CTRL2_REG) >> A3700_MC_CTRL2_SDRAM_TYPE_OFFS)
+ & A3700_MC_CTRL2_SDRAM_TYPE_MASK) == A3700_MC_CTRL2_SDRAM_TYPE_DDR4;
+
+ /* eMMC is mmc dev num 1 */
+ mmc_dev = find_mmc_device(1);
+ emmc = (mmc_dev && mmc_get_op_cond(mmc_dev, true) == 0);
+
+ /* if eMMC is not present then remove it from DM */
+ if (!emmc && mmc_dev) {
+ dev = mmc_dev->dev;
+ device_remove(dev, DM_REMOVE_NORMAL);
+ device_unbind(dev);
+ if (of_live_active())
+ ofnode_set_enabled(dev_ofnode(dev), false);
+ }
+
+ /* Ensure that 'env default -a' set correct value to $fdtfile */
+ if (ddr4 && emmc)
+ strcpy(ptr, "fdtfile=marvell/armada-3720-espressobin-v7-emmc.dtb");
+ else if (ddr4)
+ strcpy(ptr, "fdtfile=marvell/armada-3720-espressobin-v7.dtb");
+ else if (emmc)
+ strcpy(ptr, "fdtfile=marvell/armada-3720-espressobin-emmc.dtb");
+ else
+ strcpy(ptr, "fdtfile=marvell/armada-3720-espressobin.dtb");
+
+ return 0;
+}
+#endif
+
/* Board specific AHCI / SATA enable code */
int board_ahci_enable(void)
{
return 0;
}
+#ifdef CONFIG_LAST_STAGE_INIT
/* Helper function for accessing switch devices in multi-chip connection mode */
-static int mii_multi_chip_mode_write(struct mii_dev *bus, int dev_smi_addr,
+static int mii_multi_chip_mode_write(struct udevice *bus, int dev_smi_addr,
int smi_addr, int reg, u16 value)
{
u16 smi_cmd = 0;
- if (bus->write(bus, dev_smi_addr, 0,
- MVEBU_SW_SMI_DATA_REG, value) != 0) {
+ if (dm_mdio_write(bus, dev_smi_addr, MDIO_DEVAD_NONE,
+ MVEBU_SW_SMI_DATA_REG, value) != 0) {
printf("Error writing to the PHY addr=%02x reg=%02x\n",
smi_addr, reg);
return -EFAULT;
(1 << SW_SMI_CMD_SMI_OP_OFF) |
(smi_addr << SW_SMI_CMD_DEV_ADDR_OFF) |
(reg << SW_SMI_CMD_REG_ADDR_OFF);
- if (bus->write(bus, dev_smi_addr, 0,
- MVEBU_SW_SMI_CMD_REG, smi_cmd) != 0) {
+ if (dm_mdio_write(bus, dev_smi_addr, MDIO_DEVAD_NONE,
+ MVEBU_SW_SMI_CMD_REG, smi_cmd) != 0) {
printf("Error writing to the PHY addr=%02x reg=%02x\n",
smi_addr, reg);
return -EFAULT;
}
/* Bring-up board-specific network stuff */
-int board_network_enable(struct mii_dev *bus)
+int last_stage_init(void)
{
- if (!of_machine_is_compatible("marvell,armada-3720-espressobin"))
+ struct udevice *bus;
+ ofnode node;
+
+ if (!of_machine_is_compatible("globalscale,espressobin"))
return 0;
+ node = ofnode_by_compatible(ofnode_null(), "marvell,orion-mdio");
+ if (!ofnode_valid(node) ||
+ uclass_get_device_by_ofnode(UCLASS_MDIO, node, &bus) ||
+ device_probe(bus)) {
+ printf("Cannot find MDIO bus\n");
+ return 0;
+ }
+
/*
* FIXME: remove this code once Topaz driver gets available
* A3720 Community Board Only
* Configure Topaz switch (88E6341)
+ * Restrict output to ports 1,2,3 only from port 0 (CPU)
* Set port 0,1,2,3 to forwarding Mode (through Switch Port registers)
*/
+ mii_multi_chip_mode_write(bus, 1, MVEBU_PORT_CTRL_SMI_ADDR(1),
+ MVEBU_SW_PORT_BASE_VLAN, BIT(0));
+ mii_multi_chip_mode_write(bus, 1, MVEBU_PORT_CTRL_SMI_ADDR(2),
+ MVEBU_SW_PORT_BASE_VLAN, BIT(0));
+ mii_multi_chip_mode_write(bus, 1, MVEBU_PORT_CTRL_SMI_ADDR(3),
+ MVEBU_SW_PORT_BASE_VLAN, BIT(0));
+
mii_multi_chip_mode_write(bus, 1, MVEBU_PORT_CTRL_SMI_ADDR(0),
MVEBU_SW_PORT_CTRL_REG, 0x7f);
mii_multi_chip_mode_write(bus, 1, MVEBU_PORT_CTRL_SMI_ADDR(1),
return 0;
}
+#endif
+
+#ifdef CONFIG_OF_BOARD_SETUP
+int ft_board_setup(void *blob, struct bd_info *bd)
+{
+#ifdef CONFIG_ENV_IS_IN_SPI_FLASH
+ int ret;
+ int spi_off;
+ int parts_off;
+ int part_off;
+
+ /* Fill SPI MTD partitions for Linux kernel on Espressobin */
+ if (!of_machine_is_compatible("globalscale,espressobin"))
+ return 0;
+
+ spi_off = fdt_node_offset_by_compatible(blob, -1, "jedec,spi-nor");
+ if (spi_off < 0)
+ return 0;
+
+ /* Do not touch partitions if they are already defined */
+ if (fdt_subnode_offset(blob, spi_off, "partitions") >= 0)
+ return 0;
+
+ parts_off = fdt_add_subnode(blob, spi_off, "partitions");
+ if (parts_off < 0) {
+ printf("Can't add partitions node: %s\n", fdt_strerror(parts_off));
+ return 0;
+ }
+
+ ret = fdt_setprop_string(blob, parts_off, "compatible", "fixed-partitions");
+ if (ret < 0) {
+ printf("Can't set compatible property: %s\n", fdt_strerror(ret));
+ return 0;
+ }
+
+ ret = fdt_setprop_u32(blob, parts_off, "#address-cells", 1);
+ if (ret < 0) {
+ printf("Can't set #address-cells property: %s\n", fdt_strerror(ret));
+ return 0;
+ }
+
+ ret = fdt_setprop_u32(blob, parts_off, "#size-cells", 1);
+ if (ret < 0) {
+ printf("Can't set #size-cells property: %s\n", fdt_strerror(ret));
+ return 0;
+ }
+
+ /* Add u-boot-env partition */
+
+ part_off = fdt_add_subnode(blob, parts_off, "partition@u-boot-env");
+ if (part_off < 0) {
+ printf("Can't add partition@u-boot-env node: %s\n", fdt_strerror(part_off));
+ return 0;
+ }
+
+ ret = fdt_setprop_u32(blob, part_off, "reg", CONFIG_ENV_OFFSET);
+ if (ret < 0) {
+ printf("Can't set partition@u-boot-env reg property: %s\n", fdt_strerror(ret));
+ return 0;
+ }
+
+ ret = fdt_appendprop_u32(blob, part_off, "reg", CONFIG_ENV_SIZE);
+ if (ret < 0) {
+ printf("Can't set partition@u-boot-env reg property: %s\n", fdt_strerror(ret));
+ return 0;
+ }
+
+ ret = fdt_setprop_string(blob, part_off, "label", "u-boot-env");
+ if (ret < 0) {
+ printf("Can't set partition@u-boot-env label property: %s\n", fdt_strerror(ret));
+ return 0;
+ }
+
+ /* Add firmware partition */
+
+ part_off = fdt_add_subnode(blob, parts_off, "partition@firmware");
+ if (part_off < 0) {
+ printf("Can't add partition@firmware node: %s\n", fdt_strerror(part_off));
+ return 0;
+ }
+
+ ret = fdt_setprop_u32(blob, part_off, "reg", 0);
+ if (ret < 0) {
+ printf("Can't set partition@firmware reg property: %s\n", fdt_strerror(ret));
+ return 0;
+ }
+
+ ret = fdt_appendprop_u32(blob, part_off, "reg", CONFIG_ENV_OFFSET);
+ if (ret < 0) {
+ printf("Can't set partition@firmware reg property: %s\n", fdt_strerror(ret));
+ return 0;
+ }
+
+ ret = fdt_setprop_string(blob, part_off, "label", "firmware");
+ if (ret < 0) {
+ printf("Can't set partition@firmware label property: %s\n", fdt_strerror(ret));
+ return 0;
+ }
+
+#endif
+ return 0;
+}
+#endif
projects / platform / kernel / u-boot.git / blobdiff