[U-Boot] [PATCH v6 17/27] net: fm: add TFABOOT support

[Rajesh Bhagat]

Adds TFABOOT support and allows to pick FMAN firmware
on basis of boot source.

Signed-off-by: Pankit Garg <pankit.garg at nxp.com>
Signed-off-by: Rajesh Bhagat <rajesh.bhagat at nxp.com>
---
Change in v6:
 - Rebased to master 

Change in v5:
 - Added CONFIG_ARM64 flag for includes in fm driver

Change in v4: None

Change in v3: None
  
Change in v2:                                                                  
 - Removed extra CONFIG_TFABOOT flag usage 

 drivers/net/fm/fm.c | 102 ++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 99 insertions(+), 3 deletions(-)

diff --git a/drivers/net/fm/fm.c b/drivers/net/fm/fm.c
index c5cf188f05..efd8fc4547 100644
--- a/drivers/net/fm/fm.c
+++ b/drivers/net/fm/fm.c
@@ -11,12 +11,14 @@
 #include "fm.h"
 #include <fsl_qe.h>		/* For struct qe_firmware */
 
-#ifdef CONFIG_SYS_QE_FMAN_FW_IN_NAND
 #include <nand.h>
-#elif defined(CONFIG_SYS_QE_FW_IN_SPIFLASH)
 #include <spi_flash.h>
-#elif defined(CONFIG_SYS_QE_FMAN_FW_IN_MMC)
 #include <mmc.h>
+#include <environment.h>
+
+#ifdef CONFIG_ARM64
+#include <asm/armv8/mmu.h>
+#include <asm/arch/cpu.h>
 #endif
 
 struct fm_muram muram[CONFIG_SYS_NUM_FMAN];
@@ -347,6 +349,99 @@ static void fm_init_qmi(struct fm_qmi_common *qmi)
 }
 
 /* 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);
+	} 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);
+		}
+	} else if (src == BOOT_SOURCE_QSPI_NOR) {
+		struct spi_flash *ucode_flash;
+
+		addr = malloc(CONFIG_SYS_QE_FMAN_FW_LENGTH);
+		int ret = 0;
+
+#ifdef CONFIG_DM_SPI_FLASH
+		struct udevice *new;
+
+		/* speed and mode will be read from DT */
+		ret = spi_flash_probe_bus_cs(CONFIG_ENV_SPI_BUS,
+					     CONFIG_ENV_SPI_CS, 0, 0, &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_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, &reg->fm_imem, addr);
+	if (rc)
+		return rc;
+	env_set_addr("fman_ucode", addr);
+
+	fm_init_muram(index, &reg->muram);
+	fm_init_qmi(&reg->fm_qmi_common);
+	fm_init_fpm(&reg->fm_fpm);
+
+	/* clear DMA status */
+	setbits_be32(&reg->fm_dma.fmdmsr, FMDMSR_CLEAR_ALL);
+
+	/* set DMA mode */
+	setbits_be32(&reg->fm_dma.fmdmmr, FMDMMR_SBER);
+
+	return fm_init_bmi(index, &reg->fm_bmi_common);
+}
+#else
 int fm_init_common(int index, struct ccsr_fman *reg)
 {
 	int rc;
@@ -429,3 +524,4 @@ int fm_init_common(int index, struct ccsr_fman *reg)
 
 	return fm_init_bmi(index, &reg->fm_bmi_common);
 }
+#endif
-- 
2.17.1