diff options
Diffstat (limited to 'drivers/net/fsl-mc/mc.c')
| -rw-r--r-- | drivers/net/fsl-mc/mc.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/net/fsl-mc/mc.c b/drivers/net/fsl-mc/mc.c index 940025a4673..d9a897dc868 100644 --- a/drivers/net/fsl-mc/mc.c +++ b/drivers/net/fsl-mc/mc.c @@ -2,6 +2,7 @@ /* * Copyright 2014 Freescale Semiconductor, Inc. * Copyright 2017 NXP + * Copyright 2017-2018 NXP */ #include <common.h> #include <errno.h> @@ -29,6 +30,7 @@ #define MC_BOOT_ENV_VAR "mcinitcmd" DECLARE_GLOBAL_DATA_PTR; +static int mc_memset_resv_ram; static int mc_boot_status = -1; static int mc_dpl_applied = -1; #ifdef CONFIG_SYS_LS_MC_DRAM_AIOP_IMG_OFFSET @@ -278,6 +280,40 @@ static int mc_fixup_dpl_mac_addr(void *blob, int dpmac_id, MC_FIXUP_DPL); } +void fdt_fsl_mc_fixup_iommu_map_entry(void *blob) +{ + u32 *prop; + u32 iommu_map[4]; + int offset; + int lenp; + + /* find fsl-mc node */ + offset = fdt_path_offset(blob, "/soc/fsl-mc"); + if (offset < 0) + offset = fdt_path_offset(blob, "/fsl-mc"); + if (offset < 0) { + printf("%s: fsl-mc: ERR: fsl-mc node not found in DT, err %d\n", + __func__, offset); + return; + } + + prop = fdt_getprop_w(blob, offset, "iommu-map", &lenp); + if (!prop) { + debug("%s: fsl-mc: ERR: missing iommu-map in fsl-mc bus node\n", + __func__); + return; + } + + iommu_map[0] = cpu_to_fdt32(FSL_DPAA2_STREAM_ID_START); + iommu_map[1] = *++prop; + iommu_map[2] = cpu_to_fdt32(FSL_DPAA2_STREAM_ID_START); + iommu_map[3] = cpu_to_fdt32(FSL_DPAA2_STREAM_ID_END - + FSL_DPAA2_STREAM_ID_START + 1); + + fdt_setprop_inplace(blob, offset, "iommu-map", + iommu_map, sizeof(iommu_map)); +} + static int mc_fixup_dpc_mac_addr(void *blob, int dpmac_id, struct eth_device *eth_dev) { @@ -810,6 +846,11 @@ u64 mc_get_dram_addr(void) { size_t mc_ram_size = mc_get_dram_block_size(); + if (!mc_memset_resv_ram || (get_mc_boot_status() < 0)) { + mc_memset_resv_ram = 1; + memset((void *)gd->arch.resv_ram, 0, mc_ram_size); + } + return (gd->arch.resv_ram + mc_ram_size - 1) & MC_RAM_BASE_ADDR_ALIGNMENT_MASK; } |