From patchwork Wed Jan 8 09:08:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kuldeep Singh X-Patchwork-Id: 239253 List-Id: U-Boot discussion From: kuldeep.singh at nxp.com (Kuldeep Singh) Date: Wed, 8 Jan 2020 14:38:39 +0530 Subject: [Patch v3] net: pfe_eth: Use spi_flash_read API to access flash memory Message-ID: <1578474519-4115-1-git-send-email-kuldeep.singh@nxp.com> Current PFE firmware access spi-nor memory directly. New spi-mem framework does not support direct memory access. So, let's use spi_flash_read API to access memory instead of directly using it. Signed-off-by: Kuldeep Singh --- v3: -Replace ret with 0 if flash probe fails v2: -Add return error code -Some changes in displayed log drivers/net/pfe_eth/pfe_firmware.c | 45 +++++++++++++++++++++++++++++++++++++- include/configs/ls1012a_common.h | 5 ++++- 2 files changed, 48 insertions(+), 2 deletions(-) diff --git a/drivers/net/pfe_eth/pfe_firmware.c b/drivers/net/pfe_eth/pfe_firmware.c index e4563f1..6145f4e 100644 --- a/drivers/net/pfe_eth/pfe_firmware.c +++ b/drivers/net/pfe_eth/pfe_firmware.c @@ -12,13 +12,14 @@ #include #include +#include #ifdef CONFIG_CHAIN_OF_TRUST #include #endif #define PFE_FIRMWARE_FIT_CNF_NAME "config at 1" -static const void *pfe_fit_addr = (void *)CONFIG_SYS_LS_PFE_FW_ADDR; +static const void *pfe_fit_addr; /* * PFE elf firmware loader. @@ -159,6 +160,44 @@ static int pfe_fit_check(void) return ret; } +int pfe_spi_flash_init(void) +{ + struct spi_flash *pfe_flash; + int ret = 0; + void *addr = malloc(CONFIG_SYS_QE_FMAN_FW_LENGTH); + +#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); + + pfe_flash = dev_get_uclass_priv(new); +#else + pfe_flash = spi_flash_probe(CONFIG_ENV_SPI_BUS, + CONFIG_ENV_SPI_CS, + CONFIG_ENV_SPI_MAX_HZ, + CONFIG_ENV_SPI_MODE); +#endif + if (!pfe_flash) { + printf("SF: probe for pfe failed\n"); + return 0; + } + + ret = spi_flash_read(pfe_flash, + CONFIG_SYS_LS_PFE_FW_ADDR, + CONFIG_SYS_QE_FMAN_FW_LENGTH, + addr); + if (ret) + printf("SF: read for pfe failed\n"); + + pfe_fit_addr = addr; + spi_flash_free(pfe_flash); + + return ret; +} + /* * PFE firmware initialization. * Loads different firmware files from FIT image. @@ -183,6 +222,10 @@ int pfe_firmware_init(void) int ret = 0; int fw_count; + ret = pfe_spi_flash_init(); + if (ret) + goto err; + ret = pfe_fit_check(); if (ret) goto err; diff --git a/include/configs/ls1012a_common.h b/include/configs/ls1012a_common.h index 2579e2f..cbc5bff 100644 --- a/include/configs/ls1012a_common.h +++ b/include/configs/ls1012a_common.h @@ -36,9 +36,12 @@ /* Size of malloc() pool */ #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128 * 1024) +/* PFE */ +#define CONFIG_SYS_FMAN_FW_ADDR 0x400d0000 +#define CONFIG_SYS_QE_FMAN_FW_LENGTH 0x10000 + /*SPI device */ #if defined(CONFIG_QSPI_BOOT) || defined(CONFIG_TFABOOT) -#define CONFIG_SYS_FMAN_FW_ADDR 0x400d0000 #define CONFIG_SPI_FLASH_SPANSION #define CONFIG_FSL_SPI_INTERFACE #define CONFIG_SF_DATAFLASH