diff options
author | Bo Li <bo.li@starfivetech.com> | 2020-12-21 20:15:39 +0300 |
---|---|---|
committer | Tekkaman Ninja <tekkamanninja@163.com> | 2022-02-15 12:48:25 +0300 |
commit | f51ecad0d1327f88268cac1643f5bd0a9fae3006 (patch) | |
tree | 57126af1542e2387646848cefd8b7fc7916a5bc3 /drivers/net/designware.c | |
parent | 0b5dbb97f160cf84c64f31310e4e7e6e4297a7ca (diff) | |
download | u-boot-f51ecad0d1327f88268cac1643f5bd0a9fae3006.tar.xz |
starfive: Modify designware driver for JH7100
This patch is using internal RAM to improve performance
(avoid flushing L2 cache): Modify designware driver by:
1, Modify gtxclk configuration by phydev->speed
2, Add Preseted mem support for mac descrtables and buffs
3, disable DMA memory range check when building for JH7100
Diffstat (limited to 'drivers/net/designware.c')
-rw-r--r-- | drivers/net/designware.c | 47 |
1 files changed, 34 insertions, 13 deletions
diff --git a/drivers/net/designware.c b/drivers/net/designware.c index 5aaac603a0..1f6569d083 100644 --- a/drivers/net/designware.c +++ b/drivers/net/designware.c @@ -32,6 +32,25 @@ #include <power/regulator.h> #include "designware.h" +#if CONFIG_IS_ENABLED(ETH_DESIGNWARE_PRESETED_BUFF) +#define TX_MAC_DES preseted_tx_mac_descrtable +#define RX_MAC_DES preseted_rx_mac_descrtable +#define TX_BUFF preseted_txbuffs +#define RX_BUFF preseted_rxbuffs +struct dmamacdescr *preseted_tx_mac_descrtable = + (struct dmamacdescr *)CONFIG_ETH_DESIGNWARE_PRESETED_TX_MAC_DES_BASE; +struct dmamacdescr *preseted_rx_mac_descrtable = + (struct dmamacdescr *)CONFIG_ETH_DESIGNWARE_PRESETED_RX_MAC_DES_BASE; +char *preseted_txbuffs = (char *)CONFIG_ETH_DESIGNWARE_PRESETED_TXBUFF_BASE; +char *preseted_rxbuffs = (char *)CONFIG_ETH_DESIGNWARE_PRESETED_RXBUFF_BASE; +#else +#define TX_MAC_DES priv->tx_mac_descrtable +#define RX_MAC_DES priv->rx_mac_descrtable +#define TX_BUFF priv->txbuffs +#define RX_BUFF priv->rxbuffs +#endif + + static int dw_mdio_read(struct mii_dev *bus, int addr, int devad, int reg) { #ifdef CONFIG_DM_ETH @@ -232,8 +251,8 @@ static int dw_dm_mdio_init(const char *name, void *priv) static void tx_descs_init(struct dw_eth_dev *priv) { struct eth_dma_regs *dma_p = priv->dma_regs_p; - struct dmamacdescr *desc_table_p = &priv->tx_mac_descrtable[0]; - char *txbuffs = &priv->txbuffs[0]; + struct dmamacdescr *desc_table_p = &TX_MAC_DES[0]; + char *txbuffs = &TX_BUFF[0]; struct dmamacdescr *desc_p; u32 idx; @@ -261,9 +280,9 @@ static void tx_descs_init(struct dw_eth_dev *priv) desc_p->dmamac_next = (ulong)&desc_table_p[0]; /* Flush all Tx buffer descriptors at once */ - flush_dcache_range((ulong)priv->tx_mac_descrtable, - (ulong)priv->tx_mac_descrtable + - sizeof(priv->tx_mac_descrtable)); + flush_dcache_range((ulong)TX_MAC_DES, + (ulong)TX_MAC_DES + + sizeof(struct dmamacdescr) * CONFIG_TX_DESCR_NUM); writel((ulong)&desc_table_p[0], &dma_p->txdesclistaddr); priv->tx_currdescnum = 0; @@ -272,8 +291,8 @@ static void tx_descs_init(struct dw_eth_dev *priv) static void rx_descs_init(struct dw_eth_dev *priv) { struct eth_dma_regs *dma_p = priv->dma_regs_p; - struct dmamacdescr *desc_table_p = &priv->rx_mac_descrtable[0]; - char *rxbuffs = &priv->rxbuffs[0]; + struct dmamacdescr *desc_table_p = &RX_MAC_DES[0]; + char *rxbuffs = &RX_BUFF[0]; struct dmamacdescr *desc_p; u32 idx; @@ -301,9 +320,9 @@ static void rx_descs_init(struct dw_eth_dev *priv) desc_p->dmamac_next = (ulong)&desc_table_p[0]; /* Flush all Rx buffer descriptors at once */ - flush_dcache_range((ulong)priv->rx_mac_descrtable, - (ulong)priv->rx_mac_descrtable + - sizeof(priv->rx_mac_descrtable)); + flush_dcache_range((ulong)RX_MAC_DES, + (ulong)RX_MAC_DES + + sizeof(struct dmamacdescr) * CONFIG_RX_DESCR_NUM); writel((ulong)&desc_table_p[0], &dma_p->rxdesclistaddr); priv->rx_currdescnum = 0; @@ -451,7 +470,7 @@ static int _dw_eth_send(struct dw_eth_dev *priv, void *packet, int length) { struct eth_dma_regs *dma_p = priv->dma_regs_p; u32 desc_num = priv->tx_currdescnum; - struct dmamacdescr *desc_p = &priv->tx_mac_descrtable[desc_num]; + struct dmamacdescr *desc_p = &TX_MAC_DES[desc_num]; ulong desc_start = (ulong)desc_p; ulong desc_end = desc_start + roundup(sizeof(*desc_p), ARCH_DMA_MINALIGN); @@ -517,7 +536,7 @@ static int _dw_eth_send(struct dw_eth_dev *priv, void *packet, int length) static int _dw_eth_recv(struct dw_eth_dev *priv, uchar **packetp) { u32 status, desc_num = priv->rx_currdescnum; - struct dmamacdescr *desc_p = &priv->rx_mac_descrtable[desc_num]; + struct dmamacdescr *desc_p = &RX_MAC_DES[desc_num]; int length = -EAGAIN; ulong desc_start = (ulong)desc_p; ulong desc_end = desc_start + @@ -548,7 +567,7 @@ static int _dw_eth_recv(struct dw_eth_dev *priv, uchar **packetp) static int _dw_free_pkt(struct dw_eth_dev *priv) { u32 desc_num = priv->rx_currdescnum; - struct dmamacdescr *desc_p = &priv->rx_mac_descrtable[desc_num]; + struct dmamacdescr *desc_p = &RX_MAC_DES[desc_num]; ulong desc_start = (ulong)desc_p; ulong desc_end = desc_start + roundup(sizeof(*desc_p), ARCH_DMA_MINALIGN); @@ -667,10 +686,12 @@ int designware_initialize(ulong base_addr, u32 interface) return -ENOMEM; } +#if !CONFIG_IS_ENABLED(ETH_DESIGNWARE_PRESETED_BUFF) if ((phys_addr_t)priv + sizeof(*priv) > (1ULL << 32)) { printf("designware: buffers are outside DMA memory\n"); return -EINVAL; } +#endif memset(dev, 0, sizeof(struct eth_device)); memset(priv, 0, sizeof(struct dw_eth_dev)); |