diff options
Diffstat (limited to 'Documentation/networking/stmmac.txt')
| -rw-r--r-- | Documentation/networking/stmmac.txt | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/Documentation/networking/stmmac.txt b/Documentation/networking/stmmac.txt index 654d2e55c8c..2090895b08d 100644 --- a/Documentation/networking/stmmac.txt +++ b/Documentation/networking/stmmac.txt @@ -123,11 +123,13 @@ struct plat_stmmacenet_data { int bugged_jumbo; int pmt; int force_sf_dma_mode; + int force_thresh_dma_mode; int riwt_off; void (*fix_mac_speed)(void *priv, unsigned int speed); void (*bus_setup)(void __iomem *ioaddr); - int (*init)(struct platform_device *pdev); - void (*exit)(struct platform_device *pdev); + void *(*setup)(struct platform_device *pdev); + int (*init)(struct platform_device *pdev, void *priv); + void (*exit)(struct platform_device *pdev, void *priv); void *custom_cfg; void *custom_data; void *bsp_priv; @@ -159,6 +161,8 @@ Where: o pmt: core has the embedded power module (optional). o force_sf_dma_mode: force DMA to use the Store and Forward mode instead of the Threshold. + o force_thresh_dma_mode: force DMA to use the Threshold mode other than + the Store and Forward mode. o riwt_off: force to disable the RX watchdog feature and switch to NAPI mode. o fix_mac_speed: this callback is used for modifying some syscfg registers (on ST SoCs) according to the link speed negotiated by the @@ -166,13 +170,16 @@ Where: o bus_setup: perform HW setup of the bus. For example, on some ST platforms this field is used to configure the AMBA bridge to generate more efficient STBus traffic. - o init/exit: callbacks used for calling a custom initialization; + o setup/init/exit: callbacks used for calling a custom initialization; this is sometime necessary on some platforms (e.g. ST boxes) where the HW needs to have set some PIO lines or system cfg - registers. + registers. setup should return a pointer to private data, + which will be stored in bsp_priv, and then passed to init and + exit callbacks. init/exit callbacks should not use or modify + platform data. o custom_cfg/custom_data: this is a custom configuration that can be passed while initializing the resources. - o bsp_priv: another private poiter. + o bsp_priv: another private pointer. For MDIO bus The we have: @@ -268,7 +275,7 @@ reset procedure etc). o dwmac1000_dma.c: dma functions for the GMAC chip; o dwmac1000.h: specific header file for the GMAC; o dwmac100_core: MAC 100 core and dma code; - o dwmac100_dma.c: dma funtions for the MAC chip; + o dwmac100_dma.c: dma functions for the MAC chip; o dwmac1000.h: specific header file for the MAC; o dwmac_lib.c: generic DMA functions shared among chips; o enh_desc.c: functions for handling enhanced descriptors; @@ -361,4 +368,4 @@ Auto-negotiated Link Parter Ability. 10) TODO: o XGMAC is not supported. o Complete the TBI & RTBI support. - o extened VLAN support for 3.70a SYNP GMAC. + o extend VLAN support for 3.70a SYNP GMAC. |