From: Chaitanya Sakinam chaitanya.sakinam@nxp.com
Read Linux PPFE firmware from flash partition and pass it to Linux through FDT entry. So that we can avoid placing PPFE firmware in Linux rootfs. (FDT may increase at max by 64KB)
Signed-off-by: Chaitanya Sakinam chaitanya.sakinam@nxp.com Signed-off-by: Anji J anji.jagarlmudi@nxp.com Signed-off-by: Biwen Li biwen.li@nxp.com --- Change in v2: - update subject and description
arch/arm/cpu/armv8/fsl-layerscape/fdt.c | 3 ++ drivers/net/pfe_eth/pfe_firmware.c | 58 ++++++++++++++++++++++++- 2 files changed, 60 insertions(+), 1 deletion(-)
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/fdt.c b/arch/arm/cpu/armv8/fsl-layerscape/fdt.c index 7f29aa4725..16a252ecbe 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/fdt.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/fdt.c @@ -534,6 +534,9 @@ void ft_cpu_setup(void *blob, struct bd_info *bd) #ifdef CONFIG_SYS_DPAA_FMAN fdt_fixup_fman_firmware(blob); #endif +#ifdef CONFIG_FSL_PFE + fdt_fixup_pfe_firmware(blob); +#endif #ifndef CONFIG_ARCH_LS1012A fsl_fdt_disable_usb(blob); #endif diff --git a/drivers/net/pfe_eth/pfe_firmware.c b/drivers/net/pfe_eth/pfe_firmware.c index eee70a2e73..f8534e50f9 100644 --- a/drivers/net/pfe_eth/pfe_firmware.c +++ b/drivers/net/pfe_eth/pfe_firmware.c @@ -262,7 +262,8 @@ int pfe_firmware_init(void) uintptr_t pfe_img_addr = 0; #endif int ret = 0; - int fw_count; + int fw_count, max_fw_count; + const char *p;
ret = pfe_spi_flash_init(); if (ret) @@ -293,6 +294,61 @@ int pfe_firmware_init(void) } #endif
+ p = env_get("load_util"); + if (!p) { + max_fw_count = 2; + } else { + max_fw_count = simple_strtoul(p, NULL, 10); + if (max_fw_count) + max_fw_count = 3; + else + max_fw_count = 2; + } + + for (fw_count = 0; fw_count < max_fw_count; fw_count++) { + switch (fw_count) { + case 0: + pfe_firmware_name = "class_slowpath"; + break; + case 1: + pfe_firmware_name = "tmu_slowpath"; + break; + case 2: + pfe_firmware_name = "util_slowpath"; + break; + } + + if (pfe_get_fw(&raw_image_addr, &raw_image_size, + pfe_firmware_name)) { + printf("%s firmware couldn't be found in FIT image\n", + pfe_firmware_name); + break; + } + pfe_firmware = malloc(raw_image_size); + if (!pfe_firmware) + return -ENOMEM; + memcpy((void *)pfe_firmware, (void *)raw_image_addr, + raw_image_size); + + switch (fw_count) { + case 0: + env_set_addr("class_elf_firmware", pfe_firmware); + env_set_addr("class_elf_size", (void *)raw_image_size); + break; + case 1: + env_set_addr("tmu_elf_firmware", pfe_firmware); + env_set_addr("tmu_elf_size", (void *)raw_image_size); + break; + case 2: + env_set_addr("util_elf_firmware", pfe_firmware); + env_set_addr("util_elf_size", (void *)raw_image_size); + break; + } + } + + raw_image_addr = NULL; + pfe_firmware = NULL; + raw_image_size = 0; for (fw_count = 0; fw_count < 2; fw_count++) { if (fw_count == 0) pfe_firmware_name = "class";