mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-25 04:23:46 +00:00
0034d84a66
Currently we overwrite ethaddr and eth1addr only if these variables don't exist. Better overwrite them even if the env variable exists, but is invalid - eth_env_get_enetaddr_by_index() checks for validity. Refactor the code to use a for cycle. Signed-off-by: Marek Behún <marek.behun@nic.cz> Reviewed-by: Stefan Roese <sr@denx.de>
927 lines
20 KiB
C
927 lines
20 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2018 Marek Behun <marek.behun@nic.cz>
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*/
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#include <common.h>
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#include <asm/arch/cpu.h>
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#include <asm/arch/soc.h>
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#include <net.h>
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#include <asm/global_data.h>
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#include <asm/io.h>
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#include <asm/gpio.h>
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#include <button.h>
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#include <clk.h>
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#include <dm.h>
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#include <env.h>
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#include <fdt_support.h>
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#include <init.h>
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#include <led.h>
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#include <linux/delay.h>
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#include <linux/libfdt.h>
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#include <linux/string.h>
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#include <miiphy.h>
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#include <mvebu/comphy.h>
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#include <spi.h>
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#include "mox_sp.h"
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#define MAX_MOX_MODULES 10
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#define MOX_MODULE_SFP 0x1
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#define MOX_MODULE_PCI 0x2
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#define MOX_MODULE_TOPAZ 0x3
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#define MOX_MODULE_PERIDOT 0x4
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#define MOX_MODULE_USB3 0x5
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#define MOX_MODULE_PASSPCI 0x6
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#define ARMADA_37XX_NB_GPIO_SEL (MVEBU_REGISTER(0x13830))
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#define ARMADA_37XX_SPI_CTRL (MVEBU_REGISTER(0x10600))
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#define ARMADA_37XX_SPI_CFG (MVEBU_REGISTER(0x10604))
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#define ARMADA_37XX_SPI_DOUT (MVEBU_REGISTER(0x10608))
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#define ARMADA_37XX_SPI_DIN (MVEBU_REGISTER(0x1060c))
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#define ETH1_PATH "/soc/internal-regs@d0000000/ethernet@40000"
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#define MDIO_PATH "/soc/internal-regs@d0000000/mdio@32004"
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#define SFP_GPIO_PATH "/soc/internal-regs@d0000000/spi@10600/moxtet@1/gpio@0"
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#define PCIE_PATH "/soc/pcie@d0070000"
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#define SFP_PATH "/sfp"
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#define LED_PATH "/leds/led"
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#define BUTTON_PATH "/gpio-keys/reset"
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DECLARE_GLOBAL_DATA_PTR;
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#if defined(CONFIG_OF_BOARD_FIXUP)
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int board_fix_fdt(void *blob)
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{
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u8 topology[MAX_MOX_MODULES];
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int i, size, node;
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bool enable;
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/*
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* SPI driver is not loaded in driver model yet, but we have to find out
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* if pcie should be enabled in U-Boot's device tree. Therefore we have
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* to read SPI by reading/writing SPI registers directly
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*/
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writel(0x10df, ARMADA_37XX_SPI_CFG);
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/* put pin from GPIO to SPI mode */
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clrbits_le32(ARMADA_37XX_NB_GPIO_SEL, BIT(12));
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/* enable SPI CS1 */
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setbits_le32(ARMADA_37XX_SPI_CTRL, BIT(17));
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while (!(readl(ARMADA_37XX_SPI_CTRL) & 0x2))
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udelay(1);
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for (i = 0; i < MAX_MOX_MODULES; ++i) {
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writel(0x0, ARMADA_37XX_SPI_DOUT);
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while (!(readl(ARMADA_37XX_SPI_CTRL) & 0x2))
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udelay(1);
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topology[i] = readl(ARMADA_37XX_SPI_DIN) & 0xff;
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if (topology[i] == 0xff)
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break;
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topology[i] &= 0xf;
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}
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size = i;
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/* disable SPI CS1 */
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clrbits_le32(ARMADA_37XX_SPI_CTRL, BIT(17));
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if (size > 1 && (topology[1] == MOX_MODULE_PCI ||
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topology[1] == MOX_MODULE_USB3 ||
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topology[1] == MOX_MODULE_PASSPCI))
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enable = true;
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else
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enable = false;
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node = fdt_path_offset(blob, PCIE_PATH);
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if (node < 0) {
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printf("Cannot find PCIe node in U-Boot's device tree!\n");
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return 0;
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}
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if (fdt_setprop_string(blob, node, "status",
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enable ? "okay" : "disabled") < 0) {
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printf("Cannot %s PCIe in U-Boot's device tree!\n",
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enable ? "enable" : "disable");
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return 0;
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}
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if (a3700_fdt_fix_pcie_regions(blob) < 0) {
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printf("Cannot fix PCIe regions in U-Boot's device tree!\n");
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return 0;
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}
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return 0;
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}
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#endif
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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 = CONFIG_SYS_SDRAM_BASE + 0x100;
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return 0;
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}
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static int mox_do_spi(u8 *in, u8 *out, size_t size)
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{
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struct spi_slave *slave;
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struct udevice *dev;
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int ret;
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ret = spi_get_bus_and_cs(0, 1, 1000000, SPI_CPHA | SPI_CPOL,
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"spi_generic_drv", "moxtet@1", &dev,
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&slave);
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if (ret)
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goto fail;
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ret = spi_claim_bus(slave);
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if (ret)
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goto fail_free;
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ret = spi_xfer(slave, size * 8, out, in, SPI_XFER_ONCE);
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spi_release_bus(slave);
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fail_free:
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spi_free_slave(slave);
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fail:
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return ret;
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}
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static int mox_get_topology(const u8 **ptopology, int *psize, int *pis_sd)
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{
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static int is_sd;
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static u8 topology[MAX_MOX_MODULES - 1];
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static int size;
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u8 din[MAX_MOX_MODULES], dout[MAX_MOX_MODULES];
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int ret, i;
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if (size) {
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if (ptopology)
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*ptopology = topology;
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if (psize)
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*psize = size;
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if (pis_sd)
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*pis_sd = is_sd;
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return 0;
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}
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memset(din, 0, MAX_MOX_MODULES);
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memset(dout, 0, MAX_MOX_MODULES);
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ret = mox_do_spi(din, dout, MAX_MOX_MODULES);
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if (ret)
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return ret;
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if (din[0] == 0x10)
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is_sd = 1;
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else if (din[0] == 0x00)
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is_sd = 0;
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else
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return -ENODEV;
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for (i = 1; i < MAX_MOX_MODULES && din[i] != 0xff; ++i)
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topology[i - 1] = din[i] & 0xf;
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size = i - 1;
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if (ptopology)
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*ptopology = topology;
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if (psize)
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*psize = size;
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if (pis_sd)
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*pis_sd = is_sd;
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return 0;
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}
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int comphy_update_map(struct comphy_map *serdes_map, int count)
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{
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int ret, i, size, sfpindex = -1, swindex = -1;
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const u8 *topology;
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ret = mox_get_topology(&topology, &size, NULL);
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if (ret)
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return ret;
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for (i = 0; i < size; ++i) {
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if (topology[i] == MOX_MODULE_SFP && sfpindex == -1)
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sfpindex = i;
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else if ((topology[i] == MOX_MODULE_TOPAZ ||
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topology[i] == MOX_MODULE_PERIDOT) &&
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swindex == -1)
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swindex = i;
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}
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if (sfpindex >= 0 && swindex >= 0) {
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if (sfpindex < swindex)
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serdes_map[0].speed = COMPHY_SPEED_1_25G;
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else
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serdes_map[0].speed = COMPHY_SPEED_3_125G;
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} else if (sfpindex >= 0) {
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serdes_map[0].speed = COMPHY_SPEED_1_25G;
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} else if (swindex >= 0) {
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serdes_map[0].speed = COMPHY_SPEED_3_125G;
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}
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return 0;
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}
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#define SW_SMI_CMD_R(d, r) (0x9800 | (((d) & 0x1f) << 5) | ((r) & 0x1f))
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#define SW_SMI_CMD_W(d, r) (0x9400 | (((d) & 0x1f) << 5) | ((r) & 0x1f))
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static int sw_multi_read(struct mii_dev *bus, int sw, int dev, int reg)
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{
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bus->write(bus, sw, 0, 0, SW_SMI_CMD_R(dev, reg));
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mdelay(5);
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return bus->read(bus, sw, 0, 1);
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}
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static void sw_multi_write(struct mii_dev *bus, int sw, int dev, int reg,
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u16 val)
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{
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bus->write(bus, sw, 0, 1, val);
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bus->write(bus, sw, 0, 0, SW_SMI_CMD_W(dev, reg));
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mdelay(5);
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}
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static int sw_scratch_read(struct mii_dev *bus, int sw, int reg)
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{
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sw_multi_write(bus, sw, 0x1c, 0x1a, (reg & 0x7f) << 8);
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return sw_multi_read(bus, sw, 0x1c, 0x1a) & 0xff;
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}
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static void sw_led_write(struct mii_dev *bus, int sw, int port, int reg,
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u16 val)
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{
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sw_multi_write(bus, sw, port, 0x16, 0x8000 | ((reg & 7) << 12)
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| (val & 0x7ff));
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}
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static void sw_blink_leds(struct mii_dev *bus, int peridot, int topaz)
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{
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int i, p;
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struct {
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int port;
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u16 val;
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int wait;
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} regs[] = {
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{ 2, 0xef, 1 }, { 2, 0xfe, 1 }, { 2, 0x33, 0 },
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{ 4, 0xef, 1 }, { 4, 0xfe, 1 }, { 4, 0x33, 0 },
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{ 3, 0xfe, 1 }, { 3, 0xef, 1 }, { 3, 0x33, 0 },
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{ 1, 0xfe, 1 }, { 1, 0xef, 1 }, { 1, 0x33, 0 }
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};
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for (i = 0; i < 12; ++i) {
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for (p = 0; p < peridot; ++p) {
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sw_led_write(bus, 0x10 + p, regs[i].port, 0,
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regs[i].val);
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sw_led_write(bus, 0x10 + p, regs[i].port + 4, 0,
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regs[i].val);
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}
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if (topaz) {
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sw_led_write(bus, 0x2, 0x10 + regs[i].port, 0,
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regs[i].val);
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}
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if (regs[i].wait)
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mdelay(75);
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}
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}
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static void check_switch_address(struct mii_dev *bus, int addr)
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{
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if (sw_scratch_read(bus, addr, 0x70) >> 3 != addr)
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printf("Check of switch MDIO address failed for 0x%02x\n",
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addr);
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}
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static int sfp, pci, topaz, peridot, usb, passpci;
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static int sfp_pos, peridot_pos[3];
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static int module_count;
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static int configure_peridots(struct gpio_desc *reset_gpio)
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{
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int i, ret;
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u8 dout[MAX_MOX_MODULES];
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memset(dout, 0, MAX_MOX_MODULES);
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/* set addresses of Peridot modules */
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for (i = 0; i < peridot; ++i)
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dout[module_count - peridot_pos[i]] = (~i) & 3;
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/*
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* if there is a SFP module connected to the last Peridot module, set
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* the P10_SMODE to 1 for the Peridot module
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*/
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if (sfp)
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dout[module_count - peridot_pos[i - 1]] |= 1 << 3;
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dm_gpio_set_value(reset_gpio, 1);
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mdelay(10);
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ret = mox_do_spi(NULL, dout, module_count + 1);
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mdelay(10);
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dm_gpio_set_value(reset_gpio, 0);
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mdelay(50);
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return ret;
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}
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static int get_reset_gpio(struct gpio_desc *reset_gpio)
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{
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int node;
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node = fdt_node_offset_by_compatible(gd->fdt_blob, 0, "cznic,moxtet");
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if (node < 0) {
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printf("Cannot find Moxtet bus device node!\n");
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return -1;
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}
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gpio_request_by_name_nodev(offset_to_ofnode(node), "reset-gpios", 0,
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reset_gpio, GPIOD_IS_OUT);
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if (!dm_gpio_is_valid(reset_gpio)) {
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printf("Cannot find reset GPIO for Moxtet bus!\n");
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return -1;
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}
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return 0;
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}
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int misc_init_r(void)
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{
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u8 mac[2][6];
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int i, ret;
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ret = mbox_sp_get_board_info(NULL, mac[0], mac[1], NULL, NULL);
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if (ret < 0) {
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printf("Cannot read data from OTP!\n");
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return 0;
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}
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for (i = 0; i < 2; ++i) {
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u8 oldmac[6];
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if (is_valid_ethaddr(mac[i]) &&
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!eth_env_get_enetaddr_by_index("eth", i, oldmac))
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eth_env_set_enetaddr_by_index("eth", i, mac[i]);
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}
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return 0;
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}
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static void mox_phy_modify(struct phy_device *phydev, int page, int reg,
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u16 mask, u16 set)
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{
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int val;
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val = phydev->drv->readext(phydev, MDIO_DEVAD_NONE, page, reg);
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val &= ~mask;
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val |= set;
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phydev->drv->writeext(phydev, MDIO_DEVAD_NONE, page, reg, val);
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}
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static void mox_phy_leds_start_blinking(void)
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{
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struct phy_device *phydev;
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struct mii_dev *bus;
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bus = miiphy_get_dev_by_name("neta@30000");
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if (!bus) {
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printf("Cannot get MDIO bus device!\n");
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return;
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}
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phydev = phy_find_by_mask(bus, BIT(1), PHY_INTERFACE_MODE_RGMII);
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if (!phydev) {
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printf("Cannot get ethernet PHY!\n");
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return;
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}
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mox_phy_modify(phydev, 3, 0x12, 0x700, 0x400);
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mox_phy_modify(phydev, 3, 0x10, 0xff, 0xbb);
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}
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static bool read_reset_button(void)
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{
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struct udevice *button, *led;
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int i;
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if (device_get_global_by_ofnode(ofnode_path(BUTTON_PATH), &button)) {
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printf("Cannot find reset button!\n");
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return false;
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}
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if (device_get_global_by_ofnode(ofnode_path(LED_PATH), &led)) {
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printf("Cannot find status LED!\n");
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return false;
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}
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led_set_state(led, LEDST_ON);
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for (i = 0; i < 21; ++i) {
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if (button_get_state(button) != BUTTON_ON)
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return false;
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if (i < 20)
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mdelay(50);
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}
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led_set_state(led, LEDST_OFF);
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return true;
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}
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static void handle_reset_button(void)
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{
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const char * const vars[1] = { "bootcmd_rescue", };
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/*
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* Ensure that bootcmd_rescue has always stock value, so that running
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* run bootcmd_rescue
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* always works correctly.
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*/
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env_set_default_vars(1, (char * const *)vars, 0);
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if (read_reset_button()) {
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const char * const vars[2] = {
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"bootcmd",
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"distro_bootcmd",
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};
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/*
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* Set the above envs to their default values, in case the user
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* managed to break them.
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*/
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env_set_default_vars(2, (char * const *)vars, 0);
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/* Ensure bootcmd_rescue is used by distroboot */
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env_set("boot_targets", "rescue");
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/* start blinking PHY LEDs */
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mox_phy_leds_start_blinking();
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printf("RESET button was pressed, overwriting boot_targets!\n");
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} else {
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/*
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* In case the user somehow managed to save environment with
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* boot_targets=rescue, reset boot_targets to default value.
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* This could happen in subsequent commands if bootcmd_rescue
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* failed.
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*/
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if (!strcmp(env_get("boot_targets"), "rescue")) {
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const char * const vars[1] = {
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"boot_targets",
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};
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env_set_default_vars(1, (char * const *)vars, 0);
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}
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}
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}
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int show_board_info(void)
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{
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int i, ret, board_version, ram_size, is_sd;
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const char *pub_key;
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const u8 *topology;
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u64 serial_number;
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printf("Model: CZ.NIC Turris Mox Board\n");
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ret = mbox_sp_get_board_info(&serial_number, NULL, NULL, &board_version,
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&ram_size);
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if (ret < 0) {
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printf(" Cannot read board info: %i\n", ret);
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} else {
|
|
printf(" Board version: %i\n", board_version);
|
|
printf(" RAM size: %i MiB\n", ram_size);
|
|
printf(" Serial Number: %016llX\n", serial_number);
|
|
}
|
|
|
|
pub_key = mox_sp_get_ecdsa_public_key();
|
|
if (pub_key)
|
|
printf(" ECDSA Public Key: %s\n", pub_key);
|
|
else
|
|
printf(" Cannot read ECDSA Public Key\n");
|
|
|
|
ret = mox_get_topology(&topology, &module_count, &is_sd);
|
|
if (ret)
|
|
printf("Cannot read module topology!\n");
|
|
|
|
printf(" SD/eMMC version: %s\n", is_sd ? "SD" : "eMMC");
|
|
|
|
if (module_count)
|
|
printf("Module Topology:\n");
|
|
|
|
for (i = 0; i < module_count; ++i) {
|
|
switch (topology[i]) {
|
|
case MOX_MODULE_SFP:
|
|
printf("% 4i: SFP Module\n", i + 1);
|
|
break;
|
|
case MOX_MODULE_PCI:
|
|
printf("% 4i: Mini-PCIe Module\n", i + 1);
|
|
break;
|
|
case MOX_MODULE_TOPAZ:
|
|
printf("% 4i: Topaz Switch Module (4-port)\n", i + 1);
|
|
break;
|
|
case MOX_MODULE_PERIDOT:
|
|
printf("% 4i: Peridot Switch Module (8-port)\n", i + 1);
|
|
break;
|
|
case MOX_MODULE_USB3:
|
|
printf("% 4i: USB 3.0 Module (4 ports)\n", i + 1);
|
|
break;
|
|
case MOX_MODULE_PASSPCI:
|
|
printf("% 4i: Passthrough Mini-PCIe Module\n", i + 1);
|
|
break;
|
|
default:
|
|
printf("% 4i: unknown (ID %i)\n", i + 1, topology[i]);
|
|
}
|
|
}
|
|
|
|
/* check if modules are connected in supported mode */
|
|
for (i = 0; i < module_count; ++i) {
|
|
switch (topology[i]) {
|
|
case MOX_MODULE_SFP:
|
|
if (sfp) {
|
|
printf("Error: Only one SFP module is supported!\n");
|
|
} else if (topaz) {
|
|
printf("Error: SFP module cannot be connected after Topaz Switch module!\n");
|
|
} else {
|
|
sfp_pos = i;
|
|
++sfp;
|
|
}
|
|
break;
|
|
case MOX_MODULE_PCI:
|
|
if (pci)
|
|
printf("Error: Only one Mini-PCIe module is supported!\n");
|
|
else if (usb)
|
|
printf("Error: Mini-PCIe module cannot come after USB 3.0 module!\n");
|
|
else if (i && (i != 1 || !passpci))
|
|
printf("Error: Mini-PCIe module should be the first connected module or come right after Passthrough Mini-PCIe module!\n");
|
|
else
|
|
++pci;
|
|
break;
|
|
case MOX_MODULE_TOPAZ:
|
|
if (topaz)
|
|
printf("Error: Only one Topaz module is supported!\n");
|
|
else if (peridot >= 3)
|
|
printf("Error: At most two Peridot modules can come before Topaz module!\n");
|
|
else
|
|
++topaz;
|
|
break;
|
|
case MOX_MODULE_PERIDOT:
|
|
if (sfp || topaz) {
|
|
printf("Error: Peridot module must come before SFP or Topaz module!\n");
|
|
} else if (peridot >= 3) {
|
|
printf("Error: At most three Peridot modules are supported!\n");
|
|
} else {
|
|
peridot_pos[peridot] = i;
|
|
++peridot;
|
|
}
|
|
break;
|
|
case MOX_MODULE_USB3:
|
|
if (pci)
|
|
printf("Error: USB 3.0 module cannot come after Mini-PCIe module!\n");
|
|
else if (usb)
|
|
printf("Error: Only one USB 3.0 module is supported!\n");
|
|
else if (i && (i != 1 || !passpci))
|
|
printf("Error: USB 3.0 module should be the first connected module or come right after Passthrough Mini-PCIe module!\n");
|
|
else
|
|
++usb;
|
|
break;
|
|
case MOX_MODULE_PASSPCI:
|
|
if (passpci)
|
|
printf("Error: Only one Passthrough Mini-PCIe module is supported!\n");
|
|
else if (i != 0)
|
|
printf("Error: Passthrough Mini-PCIe module should be the first connected module!\n");
|
|
else
|
|
++passpci;
|
|
}
|
|
}
|
|
|
|
if (module_count)
|
|
printf("\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
int last_stage_init(void)
|
|
{
|
|
struct gpio_desc reset_gpio = {};
|
|
|
|
/* configure modules */
|
|
if (get_reset_gpio(&reset_gpio) < 0)
|
|
goto handle_reset_btn;
|
|
|
|
if (peridot > 0) {
|
|
if (configure_peridots(&reset_gpio) < 0) {
|
|
printf("Cannot configure Peridot modules!\n");
|
|
peridot = 0;
|
|
}
|
|
} else {
|
|
dm_gpio_set_value(&reset_gpio, 1);
|
|
mdelay(50);
|
|
dm_gpio_set_value(&reset_gpio, 0);
|
|
mdelay(50);
|
|
}
|
|
|
|
/*
|
|
* check if the addresses are set by reading Scratch & Misc register
|
|
* 0x70 of Peridot (and potentially Topaz) modules
|
|
*/
|
|
if (peridot || topaz) {
|
|
struct mii_dev *bus;
|
|
|
|
bus = miiphy_get_dev_by_name("neta@30000");
|
|
if (!bus) {
|
|
printf("Cannot get MDIO bus device!\n");
|
|
} else {
|
|
int i;
|
|
|
|
for (i = 0; i < peridot; ++i)
|
|
check_switch_address(bus, 0x10 + i);
|
|
|
|
if (topaz)
|
|
check_switch_address(bus, 0x2);
|
|
|
|
sw_blink_leds(bus, peridot, topaz);
|
|
}
|
|
}
|
|
|
|
handle_reset_btn:
|
|
handle_reset_button();
|
|
|
|
return 0;
|
|
}
|
|
|
|
#if defined(CONFIG_OF_BOARD_SETUP)
|
|
|
|
static int vnode_by_path(void *blob, const char *fmt, va_list ap)
|
|
{
|
|
char path[128];
|
|
|
|
vsnprintf(path, 128, fmt, ap);
|
|
return fdt_path_offset(blob, path);
|
|
}
|
|
|
|
static int node_by_path(void *blob, const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
int res;
|
|
|
|
va_start(ap, fmt);
|
|
res = vnode_by_path(blob, fmt, ap);
|
|
va_end(ap);
|
|
|
|
return res;
|
|
}
|
|
|
|
static int phandle_by_path(void *blob, const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
int node, phandle, res;
|
|
|
|
va_start(ap, fmt);
|
|
node = vnode_by_path(blob, fmt, ap);
|
|
va_end(ap);
|
|
|
|
if (node < 0)
|
|
return node;
|
|
|
|
phandle = fdt_get_phandle(blob, node);
|
|
if (phandle > 0)
|
|
return phandle;
|
|
|
|
phandle = fdt_get_max_phandle(blob);
|
|
if (phandle < 0)
|
|
return phandle;
|
|
|
|
phandle += 1;
|
|
|
|
res = fdt_setprop_u32(blob, node, "linux,phandle", phandle);
|
|
if (res < 0)
|
|
return res;
|
|
|
|
res = fdt_setprop_u32(blob, node, "phandle", phandle);
|
|
if (res < 0)
|
|
return res;
|
|
|
|
return phandle;
|
|
}
|
|
|
|
static int enable_by_path(void *blob, const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
int node;
|
|
|
|
va_start(ap, fmt);
|
|
node = vnode_by_path(blob, fmt, ap);
|
|
va_end(ap);
|
|
|
|
if (node < 0)
|
|
return node;
|
|
|
|
return fdt_setprop_string(blob, node, "status", "okay");
|
|
}
|
|
|
|
static bool is_topaz(int id)
|
|
{
|
|
return topaz && id == peridot + topaz - 1;
|
|
}
|
|
|
|
static int switch_addr(int id)
|
|
{
|
|
return is_topaz(id) ? 0x2 : 0x10 + id;
|
|
}
|
|
|
|
static int setup_switch(void *blob, int id)
|
|
{
|
|
int res, addr, i, node, phandle;
|
|
|
|
addr = switch_addr(id);
|
|
|
|
/* first enable the switch by setting status = "okay" */
|
|
res = enable_by_path(blob, MDIO_PATH "/switch%i@%x", id, addr);
|
|
if (res < 0)
|
|
return res;
|
|
|
|
/*
|
|
* now if there are more switches or a SFP module coming after,
|
|
* enable corresponding ports
|
|
*/
|
|
if (id < peridot + topaz - 1) {
|
|
res = enable_by_path(blob,
|
|
MDIO_PATH "/switch%i@%x/ports/port@a",
|
|
id, addr);
|
|
} else if (id == peridot - 1 && !topaz && sfp) {
|
|
res = enable_by_path(blob,
|
|
MDIO_PATH "/switch%i@%x/ports/port-sfp@a",
|
|
id, addr);
|
|
} else {
|
|
res = 0;
|
|
}
|
|
if (res < 0)
|
|
return res;
|
|
|
|
if (id >= peridot + topaz - 1)
|
|
return 0;
|
|
|
|
/* finally change link property if needed */
|
|
node = node_by_path(blob, MDIO_PATH "/switch%i@%x/ports/port@a", id,
|
|
addr);
|
|
if (node < 0)
|
|
return node;
|
|
|
|
for (i = id + 1; i < peridot + topaz; ++i) {
|
|
phandle = phandle_by_path(blob,
|
|
MDIO_PATH "/switch%i@%x/ports/port@%x",
|
|
i, switch_addr(i),
|
|
is_topaz(i) ? 5 : 9);
|
|
if (phandle < 0)
|
|
return phandle;
|
|
|
|
if (i == id + 1)
|
|
res = fdt_setprop_u32(blob, node, "link", phandle);
|
|
else
|
|
res = fdt_appendprop_u32(blob, node, "link", phandle);
|
|
if (res < 0)
|
|
return res;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int remove_disabled_nodes(void *blob)
|
|
{
|
|
while (1) {
|
|
int res, offset;
|
|
|
|
offset = fdt_node_offset_by_prop_value(blob, -1, "status",
|
|
"disabled", 9);
|
|
if (offset < 0)
|
|
break;
|
|
|
|
res = fdt_del_node(blob, offset);
|
|
if (res < 0)
|
|
return res;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ft_board_setup(void *blob, struct bd_info *bd)
|
|
{
|
|
int node, phandle, res;
|
|
|
|
/*
|
|
* If MOX B (PCI), MOX F (USB) or MOX G (Passthrough PCI) modules are
|
|
* connected, enable the PCIe node.
|
|
*/
|
|
if (pci || usb || passpci) {
|
|
node = fdt_path_offset(blob, PCIE_PATH);
|
|
if (node < 0)
|
|
return node;
|
|
|
|
res = fdt_setprop_string(blob, node, "status", "okay");
|
|
if (res < 0)
|
|
return res;
|
|
|
|
/* Fix PCIe regions for devices with 4 GB RAM */
|
|
res = a3700_fdt_fix_pcie_regions(blob);
|
|
if (res < 0)
|
|
return res;
|
|
}
|
|
|
|
/*
|
|
* If MOX C (Topaz switch) and/or MOX E (Peridot switch) are connected,
|
|
* enable the eth1 node and setup the switches.
|
|
*/
|
|
if (peridot || topaz) {
|
|
int i;
|
|
|
|
res = enable_by_path(blob, ETH1_PATH);
|
|
if (res < 0)
|
|
return res;
|
|
|
|
for (i = 0; i < peridot + topaz; ++i) {
|
|
res = setup_switch(blob, i);
|
|
if (res < 0)
|
|
return res;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If MOX D (SFP cage module) is connected, enable the SFP node and eth1
|
|
* node. If there is no Peridot switch between MOX A and MOX D, add link
|
|
* to the SFP node to eth1 node.
|
|
* Also enable and configure SFP GPIO controller node.
|
|
*/
|
|
if (sfp) {
|
|
res = enable_by_path(blob, SFP_PATH);
|
|
if (res < 0)
|
|
return res;
|
|
|
|
res = enable_by_path(blob, ETH1_PATH);
|
|
if (res < 0)
|
|
return res;
|
|
|
|
if (!peridot) {
|
|
phandle = phandle_by_path(blob, SFP_PATH);
|
|
if (phandle < 0)
|
|
return res;
|
|
|
|
node = node_by_path(blob, ETH1_PATH);
|
|
if (node < 0)
|
|
return node;
|
|
|
|
res = fdt_setprop_u32(blob, node, "sfp", phandle);
|
|
if (res < 0)
|
|
return res;
|
|
|
|
res = fdt_setprop_string(blob, node, "phy-mode",
|
|
"sgmii");
|
|
if (res < 0)
|
|
return res;
|
|
}
|
|
|
|
res = enable_by_path(blob, SFP_GPIO_PATH);
|
|
if (res < 0)
|
|
return res;
|
|
|
|
if (sfp_pos) {
|
|
char newname[16];
|
|
|
|
/* moxtet-sfp is on non-zero position, change default */
|
|
node = node_by_path(blob, SFP_GPIO_PATH);
|
|
if (node < 0)
|
|
return node;
|
|
|
|
res = fdt_setprop_u32(blob, node, "reg", sfp_pos);
|
|
if (res < 0)
|
|
return res;
|
|
|
|
sprintf(newname, "gpio@%x", sfp_pos);
|
|
|
|
res = fdt_set_name(blob, node, newname);
|
|
if (res < 0)
|
|
return res;
|
|
}
|
|
}
|
|
|
|
fdt_fixup_ethernet(blob);
|
|
|
|
/* Finally remove disabled nodes, as per Rob Herring's request. */
|
|
remove_disabled_nodes(blob);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#endif
|