diff options
-rw-r--r-- | drivers/net/vsc9953.c | 134 | ||||
-rw-r--r-- | include/vsc9953.h | 70 |
2 files changed, 204 insertions, 0 deletions
diff --git a/drivers/net/vsc9953.c b/drivers/net/vsc9953.c index 5d196cfb3f..f17839c70f 100644 --- a/drivers/net/vsc9953.c +++ b/drivers/net/vsc9953.c @@ -2468,6 +2468,139 @@ void vsc9953_default_configuration(void) debug("VSC9953: failed to set default aggregation code mode\n"); } +static void vcap_entry2cache_init(u32 target, u32 entry_words) +{ + int i; + + for (i = 0; i < entry_words; i++) { + out_le32((unsigned int *)(VSC9953_OFFSET + + VSC9953_VCAP_CACHE_ENTRY_DAT(target, i)), 0x00); + out_le32((unsigned int *)(VSC9953_OFFSET + + VSC9953_VCAP_CACHE_MASK_DAT(target, i)), 0xFF); + } + + out_le32((unsigned int *)(VSC9953_OFFSET + + VSC9953_VCAP_CACHE_TG_DAT(target)), 0x00); + out_le32((unsigned int *)(VSC9953_OFFSET + + VSC9953_VCAP_CFG_MV_CFG(target)), + VSC9953_VCAP_CFG_MV_CFG_SIZE(entry_words)); +} + +static void vcap_action2cache_init(u32 target, u32 action_words, + u32 counter_words) +{ + int i; + + for (i = 0; i < action_words; i++) + out_le32((unsigned int *)(VSC9953_OFFSET + + VSC9953_VCAP_CACHE_ACTION_DAT(target, i)), 0x00); + + for (i = 0; i < counter_words; i++) + out_le32((unsigned int *)(VSC9953_OFFSET + + VSC9953_VCAP_CACHE_CNT_DAT(target, i)), 0x00); +} + +static int vcap_cmd(u32 target, u16 ix, int cmd, int sel, int entry_count) +{ + u32 tgt = target; + u32 value = (VSC9953_VCAP_UPDATE_CTRL_UPDATE_CMD(cmd) | + VSC9953_VCAP_UPDATE_CTRL_UPDATE_ADDR(ix) | + VSC9953_VCAP_UPDATE_CTRL_UPDATE_SHOT); + + if ((sel & TCAM_SEL_ENTRY) && ix >= entry_count) + return CMD_RET_FAILURE; + + if (!(sel & TCAM_SEL_ENTRY)) + value |= VSC9953_VCAP_UPDATE_CTRL_UPDATE_ENTRY_DIS; + + if (!(sel & TCAM_SEL_ACTION)) + value |= VSC9953_VCAP_UPDATE_CTRL_UPDATE_ACTION_DIS; + + if (!(sel & TCAM_SEL_COUNTER)) + value |= VSC9953_VCAP_UPDATE_CTRL_UPDATE_CNT_DIS; + + out_le32((unsigned int *)(VSC9953_OFFSET + + VSC9953_VCAP_CFG_UPDATE_CTRL(tgt)), value); + + do { + value = in_le32((unsigned int *)(VSC9953_OFFSET + + VSC9953_VCAP_CFG_UPDATE_CTRL(tgt))); + + } while (value & VSC9953_VCAP_UPDATE_CTRL_UPDATE_SHOT); + + return CMD_RET_SUCCESS; +} + +static void vsc9953_vcap_init(void) +{ + u32 tgt = VSC9953_ES0; + int cmd_ret; + + /* write entries */ + vcap_entry2cache_init(tgt, ENTRY_WORDS_ES0); + cmd_ret = vcap_cmd(tgt, 0, TCAM_CMD_INITIALIZE, TCAM_SEL_ENTRY, + ENTRY_WORDS_ES0); + if (cmd_ret != CMD_RET_SUCCESS) + debug("VSC9953:%d invalid TCAM_SEL_ENTRY\n", + __LINE__); + + /* write actions and counters */ + vcap_action2cache_init(tgt, BITS_TO_DWORD(ES0_ACT_WIDTH), + BITS_TO_DWORD(ES0_CNT_WIDTH)); + out_le32((unsigned int *)(VSC9953_OFFSET + + VSC9953_VCAP_CFG_MV_CFG(tgt)), + VSC9953_VCAP_CFG_MV_CFG_SIZE(ES0_ACT_COUNT)); + cmd_ret = vcap_cmd(tgt, 0, TCAM_CMD_INITIALIZE, + TCAM_SEL_ACTION | TCAM_SEL_COUNTER, ENTRY_WORDS_ES0); + if (cmd_ret != CMD_RET_SUCCESS) + debug("VSC9953:%d invalid TCAM_SEL_ACTION | TCAM_SEL_COUNTER\n", + __LINE__); + + tgt = VSC9953_IS1; + + /* write entries */ + vcap_entry2cache_init(tgt, ENTRY_WORDS_IS1); + cmd_ret = vcap_cmd(tgt, 0, TCAM_CMD_INITIALIZE, TCAM_SEL_ENTRY, + ENTRY_WORDS_IS1); + if (cmd_ret != CMD_RET_SUCCESS) + debug("VSC9953:%d invalid TCAM_SEL_ENTRY\n", + __LINE__); + + /* write actions and counters */ + vcap_action2cache_init(tgt, BITS_TO_DWORD(IS1_ACT_WIDTH), + BITS_TO_DWORD(IS1_CNT_WIDTH)); + out_le32((unsigned int *)(VSC9953_OFFSET + + VSC9953_VCAP_CFG_MV_CFG(tgt)), + VSC9953_VCAP_CFG_MV_CFG_SIZE(IS1_ACT_COUNT)); + cmd_ret = vcap_cmd(tgt, 0, TCAM_CMD_INITIALIZE, + TCAM_SEL_ACTION | TCAM_SEL_COUNTER, ENTRY_WORDS_IS1); + if (cmd_ret != CMD_RET_SUCCESS) + debug("VSC9953:%d invalid TCAM_SEL_ACTION | TCAM_SEL_COUNTER\n", + __LINE__); + + tgt = VSC9953_IS2; + + /* write entries */ + vcap_entry2cache_init(tgt, ENTRY_WORDS_IS2); + cmd_ret = vcap_cmd(tgt, 0, TCAM_CMD_INITIALIZE, TCAM_SEL_ENTRY, + ENTRY_WORDS_IS2); + if (cmd_ret != CMD_RET_SUCCESS) + debug("VSC9953:%d invalid selection: TCAM_SEL_ENTRY\n", + __LINE__); + + /* write actions and counters */ + vcap_action2cache_init(tgt, BITS_TO_DWORD(IS2_ACT_WIDTH), + BITS_TO_DWORD(IS2_CNT_WIDTH)); + out_le32((unsigned int *)(VSC9953_OFFSET + + VSC9953_VCAP_CFG_MV_CFG(tgt)), + VSC9953_VCAP_CFG_MV_CFG_SIZE(IS2_ACT_COUNT)); + cmd_ret = vcap_cmd(tgt, 0, TCAM_CMD_INITIALIZE, + TCAM_SEL_ACTION | TCAM_SEL_COUNTER, ENTRY_WORDS_IS2); + if (cmd_ret != CMD_RET_SUCCESS) + debug("VSC9953:%d invalid TCAM_SEL_ACTION | TCAM_SEL_COUNTER\n", + __LINE__); +} + void vsc9953_init(bd_t *bis) { u32 i; @@ -2604,6 +2737,7 @@ void vsc9953_init(bd_t *bis) } } + vsc9953_vcap_init(); vsc9953_default_configuration(); #ifdef CONFIG_CMD_ETHSW diff --git a/include/vsc9953.h b/include/vsc9953.h index bb7f8ecde5..fe072da516 100644 --- a/include/vsc9953.h +++ b/include/vsc9953.h @@ -186,6 +186,76 @@ #define MIIMIND_OPR_PEND 0x00000004 +#define VSC9953_BITMASK(offset) ((BIT(offset)) - 1) +#define VSC9953_ENC_BITFIELD(target, offset, width) \ + (((target) & VSC9953_BITMASK(width)) << (offset)) + +#define VSC9953_IO_ADDR(target, offset) ((target) + (offset << 2)) + +#define VSC9953_IO_REG(target, offset) (VSC9953_IO_ADDR(target, offset)) +#define VSC9953_VCAP_CACHE_ENTRY_DAT(target, ri) \ + VSC9953_IO_REG(target, (0x2 + (ri))) + +#define VSC9953_VCAP_CACHE_MASK_DAT(target, ri) \ + VSC9953_IO_REG(target, (0x42 + (ri))) + +#define VSC9953_VCAP_CACHE_TG_DAT(target) VSC9953_IO_REG(target, 0xe2) +#define VSC9953_VCAP_CFG_MV_CFG(target) VSC9953_IO_REG(target, 0x1) +#define VSC9953_VCAP_CFG_MV_CFG_SIZE(target) \ + VSC9953_ENC_BITFIELD(target, 0, 16) + +#define VSC9953_VCAP_CFG_UPDATE_CTRL(target) VSC9953_IO_REG(target, 0x0) +#define VSC9953_VCAP_UPDATE_CTRL_UPDATE_CMD(target) \ + VSC9953_ENC_BITFIELD(target, 22, 3) + +#define VSC9953_VCAP_UPDATE_CTRL_UPDATE_ADDR(target) \ + VSC9953_ENC_BITFIELD(target, 3, 16) + +#define VSC9953_VCAP_UPDATE_CTRL_UPDATE_SHOT BIT(2) +#define VSC9953_VCAP_UPDATE_CTRL_UPDATE_ENTRY_DIS BIT(21) +#define VSC9953_VCAP_UPDATE_CTRL_UPDATE_ACTION_DIS BIT(20) +#define VSC9953_VCAP_UPDATE_CTRL_UPDATE_CNT_DIS BIT(19) +#define VSC9953_VCAP_CACHE_ACTION_DAT(target, ri) \ + VSC9953_IO_REG(target, (0x82 + (ri))) + +#define VSC9953_VCAP_CACHE_CNT_DAT(target, ri) \ + VSC9953_IO_REG(target, (0xc2 + (ri))) + +#define VSC9953_PORT_OFFSET 1 +#define VSC9953_IS1_CNT 256 +#define VSC9953_IS2_CNT 1024 +#define VSC9953_ES0_CNT 1024 + +#define BITS_TO_DWORD(in) (1 + (((in) - 1) / 32)) +#define ENTRY_WORDS_ES0 BITS_TO_DWORD(29) +#define ENTRY_WORDS_IS1 BITS_TO_DWORD(376) +#define ENTRY_WORDS_IS2 BITS_TO_DWORD(376) +#define ES0_ACT_WIDTH BITS_TO_DWORD(91) +#define ES0_CNT_WIDTH BITS_TO_DWORD(1) +#define IS1_ACT_WIDTH BITS_TO_DWORD(320) +#define IS1_CNT_WIDTH BITS_TO_DWORD(4) +#define IS2_ACT_WIDTH BITS_TO_DWORD(103 - 2 * VSC9953_PORT_OFFSET) +#define IS2_CNT_WIDTH BITS_TO_DWORD(4 * 32) +#define ES0_ACT_COUNT (VSC9953_ES0_CNT + VSC9953_MAX_PORTS) +#define IS1_ACT_COUNT (VSC9953_IS1_CNT + 1) +#define IS2_ACT_COUNT (VSC9953_IS2_CNT + VSC9953_MAX_PORTS + 2) + +/* TCAM entries */ +enum tcam_sel { + TCAM_SEL_ENTRY = BIT(0), + TCAM_SEL_ACTION = BIT(1), + TCAM_SEL_COUNTER = BIT(2), + TCAM_SEL_ALL = VSC9953_BITMASK(3), +}; + +enum tcam_cmd { + TCAM_CMD_WRITE = 0, + TCAM_CMD_READ = 1, + TCAM_CMD_MOVE_UP = 2, + TCAM_CMD_MOVE_DOWN = 3, + TCAM_CMD_INITIALIZE = 4, +}; + struct vsc9953_mdio_info { struct vsc9953_mii_mng *regs; char *name; |