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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2009-2011 Freescale Semiconductor, Inc.
* Dave Liu <daveliu@freescale.com>
*/
#include <common.h>
#include <env.h>
#include <image.h>
#include <malloc.h>
#include <asm/io.h>
#include <linux/errno.h>
#include <u-boot/crc.h>
#ifdef CONFIG_DM_ETH
#include <dm.h>
#endif
#include "fm.h"
#include <fsl_qe.h> /* For struct qe_firmware */
#include <nand.h>
#include <spi_flash.h>
#include <mmc.h>
#ifdef CONFIG_ARM64
#include <asm/armv8/mmu.h>
#include <asm/arch/cpu.h>
#endif
struct fm_muram muram[CONFIG_SYS_NUM_FMAN];
void *fm_muram_base(int fm_idx)
{
return muram[fm_idx].base;
}
void *fm_muram_alloc(int fm_idx, size_t size, ulong align)
{
void *ret;
ulong align_mask;
size_t off;
void *save;
align_mask = align - 1;
save = muram[fm_idx].alloc;
off = (ulong)save & align_mask;
if (off != 0)
muram[fm_idx].alloc += (align - off);
off = size & align_mask;
if (off != 0)
size += (align - off);
if ((muram[fm_idx].alloc + size) >= muram[fm_idx].top) {
muram[fm_idx].alloc = save;
printf("%s: run out of ram.\n", __func__);
return NULL;
}
ret = muram[fm_idx].alloc;
muram[fm_idx].alloc += size;
memset((void *)ret, 0, size);
return ret;
}
static void fm_init_muram(int fm_idx, void *reg)
{
void *base = reg;
muram[fm_idx].base = base;
muram[fm_idx].size = CONFIG_SYS_FM_MURAM_SIZE;
muram[fm_idx].alloc = base + FM_MURAM_RES_SIZE;
muram[fm_idx].top = base + CONFIG_SYS_FM_MURAM_SIZE;
}
/*
* fm_upload_ucode - Fman microcode upload worker function
*
* This function does the actual uploading of an Fman microcode
* to an Fman.
*/
static void fm_upload_ucode(int fm_idx, struct fm_imem *imem,
u32 *ucode, unsigned int size)
{
unsigned int i;
unsigned int timeout = 1000000;
/* enable address auto increase */
out_be32(&imem->iadd, IRAM_IADD_AIE);
/* write microcode to IRAM */
for (i = 0; i < size / 4; i++)
out_be32(&imem->idata, (be32_to_cpu(ucode[i])));
/* verify if the writing is over */
out_be32(&imem->iadd, 0);
while ((in_be32(&imem->idata) != be32_to_cpu(ucode[0])) && --timeout)
;
if (!timeout)
printf("Fman%u: microcode upload timeout\n", fm_idx + 1);
/* enable microcode from IRAM */
out_be32(&imem->iready, IRAM_READY);
}
/*
* Upload an Fman firmware
*
* This function is similar to qe_upload_firmware(), exception that it uploads
* a microcode to the Fman instead of the QE.
*
* Because the process for uploading a microcode to the Fman is similar for
* that of the QE, the QE firmware binary format is used for Fman microcode.
* It should be possible to unify these two functions, but for now we keep them
* separate.
*/
static int fman_upload_firmware(int fm_idx,
struct fm_imem *fm_imem,
const struct qe_firmware *firmware)
{
unsigned int i;
u32 crc;
size_t calc_size = sizeof(struct qe_firmware);
size_t length;
const struct qe_header *hdr;
if (!firmware) {
printf("Fman%u: Invalid address for firmware\n", fm_idx + 1);
return -EINVAL;
}
hdr = &firmware->header;
length = be32_to_cpu(hdr->length);
/* Check the magic */
if ((hdr->magic[0] != 'Q') || (hdr->magic[1] != 'E') ||
(hdr->magic[2] != 'F')) {
printf("Fman%u: Data at %p is not a firmware\n", fm_idx + 1,
firmware);
return -EPERM;
}
/* Check the version */
if (hdr->version != 1) {
printf("Fman%u: Unsupported firmware version %u\n", fm_idx + 1,
hdr->version);
return -EPERM;
}
/* Validate some of the fields */
if ((firmware->count != 1)) {
printf("Fman%u: Invalid data in firmware header\n", fm_idx + 1);
return -EINVAL;
}
/* Validate the length and check if there's a CRC */
calc_size += (firmware->count - 1) * sizeof(struct qe_microcode);
for (i = 0; i < firmware->count; i++)
/*
* For situations where the second RISC uses the same microcode
* as the first, the 'code_offset' and 'count' fields will be
* zero, so it's okay to add those.
*/
calc_size += sizeof(u32) *
be32_to_cpu(firmware->microcode[i].count);
/* Validate the length */
if (length != calc_size + sizeof(u32)) {
printf("Fman%u: Invalid length in firmware header\n",
fm_idx + 1);
return -EPERM;
}
/*
* Validate the CRC. We would normally call crc32_no_comp(), but that
* function isn't available unless you turn on JFFS support.
*/
crc = be32_to_cpu(*(u32 *)((void *)firmware + calc_size));
if (crc != (crc32(-1, (const void *)firmware, calc_size) ^ -1)) {
printf("Fman%u: Firmware CRC is invalid\n", fm_idx + 1);
return -EIO;
}
/* Loop through each microcode. */
for (i = 0; i < firmware->count; i++) {
const struct qe_microcode *ucode = &firmware->microcode[i];
/* Upload a microcode if it's present */
if (be32_to_cpu(ucode->code_offset)) {
u32 ucode_size;
u32 *code;
printf("Fman%u: Uploading microcode version %u.%u.%u\n",
fm_idx + 1, ucode->major, ucode->minor,
ucode->revision);
code = (void *)firmware +
be32_to_cpu(ucode->code_offset);
ucode_size = sizeof(u32) * be32_to_cpu(ucode->count);
fm_upload_ucode(fm_idx, fm_imem, code, ucode_size);
}
}
return 0;
}
static u32 fm_assign_risc(int port_id)
{
u32 risc_sel, val;
risc_sel = (port_id & 0x1) ? FMFPPRC_RISC2 : FMFPPRC_RISC1;
val = (port_id << FMFPPRC_PORTID_SHIFT) & FMFPPRC_PORTID_MASK;
val |= ((risc_sel << FMFPPRC_ORA_SHIFT) | risc_sel);
return val;
}
static void fm_init_fpm(struct fm_fpm *fpm)
{
int i, port_id;
u32 val;
setbits_be32(&fpm->fmfpee, FMFPEE_EHM | FMFPEE_UEC |
FMFPEE_CER | FMFPEE_DER);
/* IM mode, each even port ID to RISC#1, each odd port ID to RISC#2 */
/* offline/parser port */
for (i = 0; i < MAX_NUM_OH_PORT; i++) {
port_id = OH_PORT_ID_BASE + i;
val = fm_assign_risc(port_id);
out_be32(&fpm->fpmprc, val);
}
/* Rx 1G port */
for (i = 0; i < MAX_NUM_RX_PORT_1G; i++) {
port_id = RX_PORT_1G_BASE + i;
val = fm_assign_risc(port_id);
out_be32(&fpm->fpmprc, val);
}
/* Tx 1G port */
for (i = 0; i < MAX_NUM_TX_PORT_1G; i++) {
port_id = TX_PORT_1G_BASE + i;
val = fm_assign_risc(port_id);
out_be32(&fpm->fpmprc, val);
}
/* Rx 10G port */
port_id = RX_PORT_10G_BASE;
val = fm_assign_risc(port_id);
out_be32(&fpm->fpmprc, val);
/* Tx 10G port */
port_id = TX_PORT_10G_BASE;
val = fm_assign_risc(port_id);
out_be32(&fpm->fpmprc, val);
/* disable the dispatch limit in IM case */
out_be32(&fpm->fpmflc, FMFP_FLC_DISP_LIM_NONE);
/* clear events */
out_be32(&fpm->fmfpee, FMFPEE_CLEAR_EVENT);
/* clear risc events */
for (i = 0; i < 4; i++)
out_be32(&fpm->fpmcev[i], 0xffffffff);
/* clear error */
out_be32(&fpm->fpmrcr, FMFP_RCR_MDEC | FMFP_RCR_IDEC);
}
static int fm_init_bmi(int fm_idx, struct fm_bmi_common *bmi)
{
int blk, i, port_id;
u32 val;
size_t offset;
void *base;
/* alloc free buffer pool in MURAM */
base = fm_muram_alloc(fm_idx, FM_FREE_POOL_SIZE, FM_FREE_POOL_ALIGN);
if (!base) {
printf("%s: no muram for free buffer pool\n", __func__);
return -ENOMEM;
}
offset = base - fm_muram_base(fm_idx);
/* Need 128KB total free buffer pool size */
val = offset / 256;
blk = FM_FREE_POOL_SIZE / 256;
/* in IM, we must not begin from offset 0 in MURAM */
val |= ((blk - 1) << FMBM_CFG1_FBPS_SHIFT);
out_be32(&bmi->fmbm_cfg1, val);
/* disable all BMI interrupt */
out_be32(&bmi->fmbm_ier, FMBM_IER_DISABLE_ALL);
/* clear all events */
out_be32(&bmi->fmbm_ievr, FMBM_IEVR_CLEAR_ALL);
/*
* set port parameters - FMBM_PP_x
* max tasks 10G Rx/Tx=12, 1G Rx/Tx 4, others is 1
* max dma 10G Rx/Tx=3, others is 1
* set port FIFO size - FMBM_PFS_x
* 4KB for all Rx and Tx ports
*/
/* offline/parser port */
for (i = 0; i < MAX_NUM_OH_PORT; i++) {
port_id = OH_PORT_ID_BASE + i - 1;
/* max tasks=1, max dma=1, no extra */
out_be32(&bmi->fmbm_pp[port_id], 0);
/* port FIFO size - 256 bytes, no extra */
out_be32(&bmi->fmbm_pfs[port_id], 0);
}
/* Rx 1G port */
for (i = 0; i < MAX_NUM_RX_PORT_1G; i++) {
port_id = RX_PORT_1G_BASE + i - 1;
/* max tasks=4, max dma=1, no extra */
out_be32(&bmi->fmbm_pp[port_id], FMBM_PP_MXT(4));
/* FIFO size - 4KB, no extra */
out_be32(&bmi->fmbm_pfs[port_id], FMBM_PFS_IFSZ(0xf));
}
/* Tx 1G port FIFO size - 4KB, no extra */
for (i = 0; i < MAX_NUM_TX_PORT_1G; i++) {
port_id = TX_PORT_1G_BASE + i - 1;
/* max tasks=4, max dma=1, no extra */
out_be32(&bmi->fmbm_pp[port_id], FMBM_PP_MXT(4));
/* FIFO size - 4KB, no extra */
out_be32(&bmi->fmbm_pfs[port_id], FMBM_PFS_IFSZ(0xf));
}
/* Rx 10G port */
port_id = RX_PORT_10G_BASE - 1;
/* max tasks=12, max dma=3, no extra */
out_be32(&bmi->fmbm_pp[port_id], FMBM_PP_MXT(12) | FMBM_PP_MXD(3));
/* FIFO size - 4KB, no extra */
out_be32(&bmi->fmbm_pfs[port_id], FMBM_PFS_IFSZ(0xf));
/* Tx 10G port */
port_id = TX_PORT_10G_BASE - 1;
/* max tasks=12, max dma=3, no extra */
out_be32(&bmi->fmbm_pp[port_id], FMBM_PP_MXT(12) | FMBM_PP_MXD(3));
/* FIFO size - 4KB, no extra */
out_be32(&bmi->fmbm_pfs[port_id], FMBM_PFS_IFSZ(0xf));
/* initialize internal buffers data base (linked list) */
out_be32(&bmi->fmbm_init, FMBM_INIT_START);
return 0;
}
static void fm_init_qmi(struct fm_qmi_common *qmi)
{
/* disable all error interrupts */
out_be32(&qmi->fmqm_eien, FMQM_EIEN_DISABLE_ALL);
/* clear all error events */
out_be32(&qmi->fmqm_eie, FMQM_EIE_CLEAR_ALL);
/* disable all interrupts */
out_be32(&qmi->fmqm_ien, FMQM_IEN_DISABLE_ALL);
/* clear all interrupts */
out_be32(&qmi->fmqm_ie, FMQM_IE_CLEAR_ALL);
}
/* Init common part of FM, index is fm num# like fm as above */
#ifdef CONFIG_TFABOOT
int fm_init_common(int index, struct ccsr_fman *reg)
{
int rc;
void *addr = NULL;
enum boot_src src = get_boot_src();
if (src == BOOT_SOURCE_IFC_NOR) {
addr = (void *)(CONFIG_SYS_FMAN_FW_ADDR +
CONFIG_SYS_FSL_IFC_BASE);
#ifdef CONFIG_CMD_NAND
} else if (src == BOOT_SOURCE_IFC_NAND) {
size_t fw_length = CONFIG_SYS_QE_FMAN_FW_LENGTH;
addr = malloc(CONFIG_SYS_QE_FMAN_FW_LENGTH);
rc = nand_read(get_nand_dev_by_index(0),
(loff_t)CONFIG_SYS_FMAN_FW_ADDR,
&fw_length, (u_char *)addr);
if (rc == -EUCLEAN) {
printf("NAND read of FMAN firmware at offset 0x%x failed %d\n",
CONFIG_SYS_FMAN_FW_ADDR, rc);
}
#endif
} else if (src == BOOT_SOURCE_QSPI_NOR) {
struct spi_flash *ucode_flash;
addr = malloc(CONFIG_SYS_QE_FMAN_FW_LENGTH);
int ret = 0;
#if CONFIG_IS_ENABLED(DM_SPI_FLASH)
struct udevice *new;
/* speed and mode will be read from DT */
ret = spi_flash_probe_bus_cs(CONFIG_SF_DEFAULT_BUS,
CONFIG_SF_DEFAULT_CS, &new);
ucode_flash = dev_get_uclass_priv(new);
#else
ucode_flash = spi_flash_probe(CONFIG_ENV_SPI_BUS,
CONFIG_ENV_SPI_CS,
CONFIG_ENV_SPI_MAX_HZ,
CONFIG_ENV_SPI_MODE);
#endif
if (!ucode_flash) {
printf("SF: probe for ucode failed\n");
} else {
ret = spi_flash_read(ucode_flash,
CONFIG_SYS_FMAN_FW_ADDR +
CFG_SYS_FSL_QSPI_BASE,
CONFIG_SYS_QE_FMAN_FW_LENGTH,
addr);
if (ret)
printf("SF: read for ucode failed\n");
spi_flash_free(ucode_flash);
}
} else if (src == BOOT_SOURCE_SD_MMC) {
int dev = CONFIG_SYS_MMC_ENV_DEV;
addr = malloc(CONFIG_SYS_QE_FMAN_FW_LENGTH);
u32 cnt = CONFIG_SYS_QE_FMAN_FW_LENGTH / 512;
u32 blk = CONFIG_SYS_FMAN_FW_ADDR / 512;
struct mmc *mmc = find_mmc_device(CONFIG_SYS_MMC_ENV_DEV);
if (!mmc) {
printf("\nMMC cannot find device for ucode\n");
} else {
printf("\nMMC read: dev # %u, block # %u, count %u ...\n",
dev, blk, cnt);
mmc_init(mmc);
(void)blk_dread(mmc_get_blk_desc(mmc), blk, cnt,
addr);
}
} else {
addr = NULL;
}
/* Upload the Fman microcode if it's present */
rc = fman_upload_firmware(index, ®->fm_imem, addr);
if (rc)
return rc;
env_set_addr("fman_ucode", addr);
fm_init_muram(index, ®->muram);
fm_init_qmi(®->fm_qmi_common);
fm_init_fpm(®->fm_fpm);
/* clear DMA status */
setbits_be32(®->fm_dma.fmdmsr, FMDMSR_CLEAR_ALL);
/* set DMA mode */
setbits_be32(®->fm_dma.fmdmmr, FMDMMR_SBER);
return fm_init_bmi(index, ®->fm_bmi_common);
}
#else
int fm_init_common(int index, struct ccsr_fman *reg)
{
int rc;
#if defined(CONFIG_SYS_QE_FMAN_FW_IN_NOR)
void *addr = (void *)CONFIG_SYS_FMAN_FW_ADDR;
#elif defined(CONFIG_SYS_QE_FMAN_FW_IN_NAND)
size_t fw_length = CONFIG_SYS_QE_FMAN_FW_LENGTH;
void *addr = malloc(CONFIG_SYS_QE_FMAN_FW_LENGTH);
rc = nand_read(get_nand_dev_by_index(0),
(loff_t)CONFIG_SYS_FMAN_FW_ADDR,
&fw_length, (u_char *)addr);
if (rc == -EUCLEAN) {
printf("NAND read of FMAN firmware at offset 0x%x failed %d\n",
CONFIG_SYS_FMAN_FW_ADDR, rc);
}
#elif defined(CONFIG_SYS_QE_FMAN_FW_IN_SPIFLASH)
struct spi_flash *ucode_flash;
void *addr = malloc(CONFIG_SYS_QE_FMAN_FW_LENGTH);
int ret = 0;
#if CONFIG_IS_ENABLED(DM_SPI_FLASH)
struct udevice *new;
/* speed and mode will be read from DT */
ret = spi_flash_probe_bus_cs(CONFIG_SF_DEFAULT_BUS, CONFIG_SF_DEFAULT_CS,
&new);
ucode_flash = dev_get_uclass_priv(new);
#else
ucode_flash = spi_flash_probe(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS,
CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE);
#endif
if (!ucode_flash)
printf("SF: probe for ucode failed\n");
else {
ret = spi_flash_read(ucode_flash, CONFIG_SYS_FMAN_FW_ADDR,
CONFIG_SYS_QE_FMAN_FW_LENGTH, addr);
if (ret)
printf("SF: read for ucode failed\n");
spi_flash_free(ucode_flash);
}
#elif defined(CONFIG_SYS_QE_FMAN_FW_IN_MMC)
int dev = CONFIG_SYS_MMC_ENV_DEV;
void *addr = malloc(CONFIG_SYS_QE_FMAN_FW_LENGTH);
u32 cnt = CONFIG_SYS_QE_FMAN_FW_LENGTH / 512;
u32 blk = CONFIG_SYS_FMAN_FW_ADDR / 512;
struct mmc *mmc = find_mmc_device(CONFIG_SYS_MMC_ENV_DEV);
if (!mmc)
printf("\nMMC cannot find device for ucode\n");
else {
printf("\nMMC read: dev # %u, block # %u, count %u ...\n",
dev, blk, cnt);
mmc_init(mmc);
(void)blk_dread(mmc_get_blk_desc(mmc), blk, cnt,
addr);
}
#elif defined(CONFIG_SYS_QE_FMAN_FW_IN_REMOTE)
void *addr = (void *)CONFIG_SYS_FMAN_FW_ADDR;
#else
void *addr = NULL;
#endif
rc = fit_check_format(addr, CONFIG_SYS_QE_FMAN_FW_LENGTH);
if (!rc) {
size_t unused;
const void *new_addr;
rc = fit_get_data_conf_prop(addr, "fman", &new_addr, &unused);
if (rc)
return rc;
addr = (void *)new_addr;
} else if (CONFIG_IS_ENABLED(FIT_SIGNATURE)) {
/*
* Using a (signed) FIT wrapper is mandatory if we are
* doing verified boot.
*/
return rc;
}
/* Upload the Fman microcode if it's present */
rc = fman_upload_firmware(index, ®->fm_imem, addr);
if (rc)
return rc;
env_set_addr("fman_ucode", addr);
fm_init_muram(index, ®->muram);
fm_init_qmi(®->fm_qmi_common);
fm_init_fpm(®->fm_fpm);
/* clear DMA status */
setbits_be32(®->fm_dma.fmdmsr, FMDMSR_CLEAR_ALL);
/* set DMA mode */
setbits_be32(®->fm_dma.fmdmmr, FMDMMR_SBER);
return fm_init_bmi(index, ®->fm_bmi_common);
}
#endif
#ifdef CONFIG_DM_ETH
struct fman_priv {
struct ccsr_fman *reg;
unsigned int fman_id;
};
static const struct udevice_id fman_ids[] = {
{ .compatible = "fsl,fman" },
{}
};
static int fman_probe(struct udevice *dev)
{
struct fman_priv *priv = dev_get_priv(dev);
priv->reg = (struct ccsr_fman *)(uintptr_t)dev_read_addr(dev);
if (dev_read_u32(dev, "cell-index", &priv->fman_id)) {
printf("FMan node property cell-index missing\n");
return -EINVAL;
}
return fm_init_common(priv->fman_id, priv->reg);
}
static int fman_remove(struct udevice *dev)
{
return 0;
}
int fman_id(struct udevice *dev)
{
struct fman_priv *priv = dev_get_priv(dev);
return priv->fman_id;
}
void *fman_port(struct udevice *dev, int num)
{
struct fman_priv *priv = dev_get_priv(dev);
return &priv->reg->port[num - 1].fm_bmi;
}
void *fman_mdio(struct udevice *dev, enum fm_mac_type type, int num)
{
struct fman_priv *priv = dev_get_priv(dev);
void *res = NULL;
switch (type) {
#ifdef CONFIG_SYS_FMAN_V3
case FM_MEMAC:
res = &priv->reg->memac[num].fm_memac_mdio;
break;
#else
case FM_DTSEC:
res = &priv->reg->mac_1g[num].fm_mdio.miimcfg;
break;
case FM_TGEC:
res = &priv->reg->mac_10g[num].fm_10gec_mdio;
break;
#endif
}
return res;
}
U_BOOT_DRIVER(fman) = {
.name = "fman",
.id = UCLASS_SIMPLE_BUS,
.of_match = fman_ids,
.probe = fman_probe,
.remove = fman_remove,
.priv_auto = sizeof(struct fman_priv),
.flags = DM_FLAG_ALLOC_PRIV_DMA,
};
#endif /* CONFIG_DM_ETH */
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