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| author | Tom Rini <trini@konsulko.com> | 2015-07-28 11:31:21 -0400 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2015-07-28 11:31:21 -0400 |
| commit | 66d10c18bf2c34698362b6fe1891bcc6e8755243 (patch) | |
| tree | e645a386e4de9330d2d7793bc90631416caa8bea /drivers/net | |
| parent | 0a0db402d1c9c93a91e2e229eea2e3f547d6148b (diff) | |
| parent | 711e5e26b41457e658155e7c225c9ccfed0182ef (diff) | |
| download | blackbird-obmc-uboot-66d10c18bf2c34698362b6fe1891bcc6e8755243.tar.gz blackbird-obmc-uboot-66d10c18bf2c34698362b6fe1891bcc6e8755243.zip | |
Merge branch 'zynq' of git://www.denx.de/git/u-boot-microblaze
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/zynq_gem.c | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c index c723dbb0a6..b2006dfa07 100644 --- a/drivers/net/zynq_gem.c +++ b/drivers/net/zynq_gem.c @@ -20,6 +20,7 @@ #include <phy.h> #include <miiphy.h> #include <watchdog.h> +#include <asm/system.h> #include <asm/arch/hardware.h> #include <asm/arch/sys_proto.h> @@ -58,7 +59,14 @@ #define ZYNQ_GEM_NWCFG_MDCCLKDIV 0x000080000 /* Div pclk by 32, 80MHz */ #define ZYNQ_GEM_NWCFG_MDCCLKDIV2 0x0000c0000 /* Div pclk by 48, 120MHz */ -#define ZYNQ_GEM_NWCFG_INIT (ZYNQ_GEM_NWCFG_FDEN | \ +#ifdef CONFIG_ARM64 +# define ZYNQ_GEM_DBUS_WIDTH (1 << 21) /* 64 bit bus */ +#else +# define ZYNQ_GEM_DBUS_WIDTH (0 << 21) /* 32 bit bus */ +#endif + +#define ZYNQ_GEM_NWCFG_INIT (ZYNQ_GEM_DBUS_WIDTH | \ + ZYNQ_GEM_NWCFG_FDEN | \ ZYNQ_GEM_NWCFG_FSREM | \ ZYNQ_GEM_NWCFG_MDCCLKDIV) @@ -130,7 +138,7 @@ struct emac_bd { u32 status; }; -#define RX_BUF 3 +#define RX_BUF 32 /* Page table entries are set to 1MB, or multiples of 1MB * (not < 1MB). driver uses less bd's so use 1MB bdspace. */ @@ -155,7 +163,7 @@ struct zynq_gem_priv { static inline int mdio_wait(struct eth_device *dev) { struct zynq_gem_regs *regs = (struct zynq_gem_regs *)dev->iobase; - u32 timeout = 200; + u32 timeout = 20000; /* Wait till MDIO interface is ready to accept a new transaction. */ while (--timeout) { @@ -395,12 +403,18 @@ static int zynq_gem_send(struct eth_device *dev, void *ptr, int len) priv->tx_bd->addr = (u32)ptr; priv->tx_bd->status = (len & ZYNQ_GEM_TXBUF_FRMLEN_MASK) | - ZYNQ_GEM_TXBUF_LAST_MASK; + ZYNQ_GEM_TXBUF_LAST_MASK | + ZYNQ_GEM_TXBUF_WRAP_MASK; addr = (u32) ptr; addr &= ~(ARCH_DMA_MINALIGN - 1); size = roundup(len, ARCH_DMA_MINALIGN); flush_dcache_range(addr, addr + size); + + addr = (u32)priv->rxbuffers; + addr &= ~(ARCH_DMA_MINALIGN - 1); + size = roundup((RX_BUF * PKTSIZE_ALIGN), ARCH_DMA_MINALIGN); + flush_dcache_range(addr, addr + size); barrier(); /* Start transmit */ @@ -436,8 +450,6 @@ static int zynq_gem_recv(struct eth_device *dev) if (frame_len) { u32 addr = current_bd->addr & ZYNQ_GEM_RXBUF_ADD_MASK; addr &= ~(ARCH_DMA_MINALIGN - 1); - u32 size = roundup(frame_len, ARCH_DMA_MINALIGN); - invalidate_dcache_range(addr, addr + size); net_process_received_packet((u8 *)addr, frame_len); @@ -511,7 +523,7 @@ int zynq_gem_initialize(bd_t *bis, phys_addr_t base_addr, priv->rxbuffers = memalign(ARCH_DMA_MINALIGN, RX_BUF * PKTSIZE_ALIGN); memset(priv->rxbuffers, 0, RX_BUF * PKTSIZE_ALIGN); - /* Align bd_space to 1MB */ + /* Align bd_space to MMU_SECTION_SHIFT */ bd_space = memalign(1 << MMU_SECTION_SHIFT, BD_SPACE); mmu_set_region_dcache_behaviour((phys_addr_t)bd_space, BD_SPACE, DCACHE_OFF); |
