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PENDING: net: ti: prueth: Adds HSR and PRP support for AM335x and AM437x

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This patch adds required handling in ICSSM PRUETH driver to
support HSR and PRP on AM335x and AM437x devices.

Reviewed-by: pmohan <pmohan@couthit.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Parvathi Pudi <parvathi@couthit.com>
This commit is contained in:
Roger Quadros
2025-08-28 20:05:50 +05:30
committed by Praneeth Bajjuri
parent 536b1a765a
commit 7089ca28de
2 changed files with 51 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/net/ethernet/ti/icssm/icssm_lre_firmware.h
+12
View File
@@ -110,6 +110,18 @@
#define ICSS_LRE_NODE_FREE 0x10
/* PRU1 DMEM */
/* Node table offsets are different for AM3/4 vs AM57/K2G, set by firmware */
#define ICSS_LRE_V1_0_HASH_MASK 0x3F
#define ICSS_LRE_V1_0_INDEX_ARRAY_NT 0x60
#define ICSS_LRE_V1_0_BIN_ARRAY 0x1A00
#define ICSS_LRE_V1_0_NODE_TABLE_NEW 0x1FC0
#define ICSS_LRE_V1_0_INDEX_ARRAY_LOC PRUETH_MEM_DRAM0
#define ICSS_LRE_V1_0_BIN_ARRAY_LOC PRUETH_MEM_DRAM0
#define ICSS_LRE_V1_0_NODE_TABLE_LOC PRUETH_MEM_SHARED_RAM
#define ICSS_LRE_V1_0_INDEX_TBL_MAX_ENTRIES 64
#define ICSS_LRE_V1_0_BIN_TBL_MAX_ENTRIES 128
#define ICSS_LRE_V1_0_NODE_TBL_MAX_ENTRIES 128
#define ICSS_LRE_V2_1_HASH_MASK 0xFF
#define ICSS_LRE_V2_1_INDEX_ARRAY_NT 0x3000
#define ICSS_LRE_V2_1_BIN_ARRAY \
drivers/net/ethernet/ti/icssm/icssm_prueth.c
+39 -2
View File
@@ -60,6 +60,20 @@ static struct prueth_fw_offsets fw_offsets_v2_1 = {
.iep_wrap = 0xffffffff,
};
static struct prueth_fw_offsets fw_offsets_v1_0 = {
.hash_mask = ICSS_LRE_V1_0_HASH_MASK,
.index_array_offset = ICSS_LRE_V1_0_INDEX_ARRAY_NT,
.bin_array_offset = ICSS_LRE_V1_0_BIN_ARRAY,
.nt_array_offset = ICSS_LRE_V1_0_NODE_TABLE_NEW,
.index_array_loc = ICSS_LRE_V1_0_INDEX_ARRAY_LOC,
.bin_array_loc = ICSS_LRE_V1_0_BIN_ARRAY_LOC,
.nt_array_loc = ICSS_LRE_V1_0_NODE_TABLE_LOC,
.index_array_max_entries = ICSS_LRE_V1_0_INDEX_TBL_MAX_ENTRIES,
.bin_array_max_entries = ICSS_LRE_V1_0_BIN_TBL_MAX_ENTRIES,
.nt_array_max_entries = ICSS_LRE_V1_0_NODE_TBL_MAX_ENTRIES,
.iep_wrap = 0xffffffff,
};
static void icssm_prueth_set_fw_offsets(struct prueth *prueth)
{
/* Set VLAN/Multicast filter control and table offsets */
@@ -3196,8 +3210,13 @@ static int icssm_prueth_probe(struct platform_device *pdev)
prueth->fw_offsets = devm_kzalloc(dev,
sizeof(struct prueth_fw_offsets),
GFP_KERNEL);
memcpy(prueth->fw_offsets,
&fw_offsets_v2_1, sizeof(struct prueth_fw_offsets));
if (prueth->fw_data->fw_rev == FW_REV_V1_0) {
memcpy(prueth->fw_offsets,
&fw_offsets_v1_0, sizeof(struct prueth_fw_offsets));
} else {
memcpy(prueth->fw_offsets,
&fw_offsets_v2_1, sizeof(struct prueth_fw_offsets));
}
eth_ports_node = of_get_child_by_name(np, "ethernet-ports");
if (!eth_ports_node)
@@ -3659,16 +3678,25 @@ static struct prueth_private_data am335x_prueth_pdata = {
.fw_pru[PRUSS_PRU0] = {
.fw_name[PRUSS_ETHTYPE_EMAC] =
"ti-pruss/am335x-pru0-prueth-fw.elf",
.fw_name[PRUSS_ETHTYPE_HSR] =
"ti-pruss/am335x-pru0-pruhsr-fw.elf",
.fw_name[PRUSS_ETHTYPE_PRP] =
"ti-pruss/am335x-pru0-pruprp-fw.elf",
.fw_name[PRUSS_ETHTYPE_SWITCH] =
"ti-pruss/am335x-pru0-prusw-fw.elf",
},
.fw_pru[PRUSS_PRU1] = {
.fw_name[PRUSS_ETHTYPE_EMAC] =
"ti-pruss/am335x-pru1-prueth-fw.elf",
.fw_name[PRUSS_ETHTYPE_HSR] =
"ti-pruss/am335x-pru1-pruhsr-fw.elf",
.fw_name[PRUSS_ETHTYPE_PRP] =
"ti-pruss/am335x-pru1-pruprp-fw.elf",
.fw_name[PRUSS_ETHTYPE_SWITCH] =
"ti-pruss/am335x-pru1-prusw-fw.elf",
},
.fw_rev = FW_REV_V1_0,
.support_lre = true,
.support_switch = true,
};
@@ -3678,16 +3706,25 @@ static struct prueth_private_data am437x_prueth_pdata = {
.fw_pru[PRUSS_PRU0] = {
.fw_name[PRUSS_ETHTYPE_EMAC] =
"ti-pruss/am437x-pru0-prueth-fw.elf",
.fw_name[PRUSS_ETHTYPE_HSR] =
"ti-pruss/am437x-pru0-pruhsr-fw.elf",
.fw_name[PRUSS_ETHTYPE_PRP] =
"ti-pruss/am437x-pru0-pruprp-fw.elf",
.fw_name[PRUSS_ETHTYPE_SWITCH] =
"ti-pruss/am437x-pru0-prusw-fw.elf",
},
.fw_pru[PRUSS_PRU1] = {
.fw_name[PRUSS_ETHTYPE_EMAC] =
"ti-pruss/am437x-pru1-prueth-fw.elf",
.fw_name[PRUSS_ETHTYPE_HSR] =
"ti-pruss/am437x-pru1-pruhsr-fw.elf",
.fw_name[PRUSS_ETHTYPE_PRP] =
"ti-pruss/am437x-pru1-pruprp-fw.elf",
.fw_name[PRUSS_ETHTYPE_SWITCH] =
"ti-pruss/am437x-pru1-prusw-fw.elf",
},
.fw_rev = FW_REV_V1_0,
.support_lre = true,
.support_switch = true,
};