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imx_fec: Add support for multiple Tx DMA rings

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More recent version of the IP block support more than one Tx DMA ring,
so add the code implementing that feature.

Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org
Cc: yurovsky@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Andrey Smirnov 2018-01-11 13:25:37 +00:00 • committed by Peter Maydell
parent ebdd8cddb9
commit f93f961c40
2 changed files with 130 additions and 21 deletions
Download patch file Download diff file Expand all files Collapse all files

18
include/hw/net/imx_fec.h
View file

@ -52,6 +52,8 @@
#define ENET_TFWR 81
#define ENET_FRBR 83
#define ENET_FRSR 84
#define ENET_TDSR1 89
#define ENET_TDSR2 92
#define ENET_RDSR 96
#define ENET_TDSR 97
#define ENET_MRBR 98
@ -66,6 +68,8 @@
#define ENET_FTRL 108
#define ENET_TACC 112
#define ENET_RACC 113
#define ENET_TDAR1 121
#define ENET_TDAR2 123
#define ENET_MIIGSK_CFGR 192
#define ENET_MIIGSK_ENR 194
#define ENET_ATCR 256
@ -105,13 +109,18 @@
#define ENET_INT_WAKEUP (1 << 17)
#define ENET_INT_TS_AVAIL (1 << 16)
#define ENET_INT_TS_TIMER (1 << 15)
#define ENET_INT_TXF2 (1 << 7)
#define ENET_INT_TXB2 (1 << 6)
#define ENET_INT_TXF1 (1 << 3)
#define ENET_INT_TXB1 (1 << 2)
#define ENET_INT_MAC (ENET_INT_HB | ENET_INT_BABR | ENET_INT_BABT | \
ENET_INT_GRA | ENET_INT_TXF | ENET_INT_TXB | \
ENET_INT_RXF | ENET_INT_RXB | ENET_INT_MII | \
ENET_INT_EBERR | ENET_INT_LC | ENET_INT_RL | \
ENET_INT_UN | ENET_INT_PLR | ENET_INT_WAKEUP | \
ENET_INT_TS_AVAIL)
ENET_INT_TS_AVAIL | ENET_INT_TXF1 | \
ENET_INT_TXB1 | ENET_INT_TXF2 | ENET_INT_TXB2)
/* RDAR */
#define ENET_RDAR_RDAR (1 << 24)
@ -234,6 +243,9 @@ typedef struct {
#define ENET_BD_BDU (1 << 31)
#define ENET_TX_RING_NUM 3
typedef struct IMXFECState {
/*< private >*/
SysBusDevice parent_obj;
@ -246,7 +258,9 @@ typedef struct IMXFECState {
uint32_t regs[ENET_MAX];
uint32_t rx_descriptor;
uint32_t tx_descriptor;
uint32_t tx_descriptor[ENET_TX_RING_NUM];
uint32_t tx_ring_num;
uint32_t phy_status;
uint32_t phy_control;