static int mvneta_probe(struct udevice *dev)
{
struct eth_pdata *pdata = dev_get_platdata(dev);
struct mvneta_port *pp = dev_get_priv(dev);
void *blob = (void *)gd->fdt_blob;
int node = dev->of_offset;
struct mii_dev *bus;
unsigned long addr;
void *bd_space;
/*
* Allocate buffer area for descs and rx_buffers. This is only
* done once for all interfaces. As only one interface can
* be active. Make this area DMA save by disabling the D-cache
*/
if (!buffer_loc.tx_descs) {
/* Align buffer area for descs and rx_buffers to 1MiB */
bd_space = memalign(1 << MMU_SECTION_SHIFT, BD_SPACE);
mmu_set_region_dcache_behaviour((phys_addr_t)bd_space, BD_SPACE,
DCACHE_OFF);
buffer_loc.tx_descs = (struct mvneta_tx_desc *)bd_space;
buffer_loc.rx_descs = (struct mvneta_rx_desc *)
((phys_addr_t)bd_space +
MVNETA_MAX_TXD * sizeof(struct mvneta_tx_desc));
buffer_loc.rx_buffers = (phys_addr_t)
(bd_space +
MVNETA_MAX_TXD * sizeof(struct mvneta_tx_desc) +
MVNETA_MAX_RXD * sizeof(struct mvneta_rx_desc));
}
pp->base = (void __iomem *)pdata->iobase;
/* Configure MBUS address windows */
if (of_device_is_compatible(dev, "marvell,armada-3700-neta"))
mvneta_bypass_mbus_windows(pp);
else
mvneta_conf_mbus_windows(pp);
/* PHY interface is already decoded in mvneta_ofdata_to_platdata() */
pp->phy_interface = pdata->phy_interface;
/* Now read phyaddr from DT */
addr = fdtdec_get_int(blob, node, "phy", 0);
addr = fdt_node_offset_by_phandle(blob, addr);
pp->phyaddr = fdtdec_get_int(blob, addr, "reg", 0);
bus = mdio_alloc();
if (!bus) {
printf("Failed to allocate MDIO bus\n");
return -ENOMEM;
}
bus->read = mvneta_mdio_read;
bus->write = mvneta_mdio_write;
snprintf(bus->name, sizeof(bus->name), dev->name);
bus->priv = (void *)pp;
pp->bus = bus;
return mdio_register(bus);
}
void lcd_ctrl_init(void *lcdbase)
{
int type = DCACHE_OFF;
int size;
assert(disp_config);
/* Make sure that we can acommodate the selected LCD */
assert(disp_config->width <= LCD_MAX_WIDTH);
assert(disp_config->height <= LCD_MAX_HEIGHT);
assert(disp_config->log2_bpp <= LCD_MAX_LOG2_BPP);
if (disp_config->width <= LCD_MAX_WIDTH
&& disp_config->height <= LCD_MAX_HEIGHT
&& disp_config->log2_bpp <= LCD_MAX_LOG2_BPP)
update_panel_size(disp_config);
size = lcd_get_size(&lcd_line_length);
/* Set up the LCD caching as requested */
if (config.cache_type & FDT_LCD_CACHE_WRITE_THROUGH)
type = DCACHE_WRITETHROUGH;
else if (config.cache_type & FDT_LCD_CACHE_WRITE_BACK)
type = DCACHE_WRITEBACK;
mmu_set_region_dcache_behaviour(disp_config->frame_buffer, size, type);
/* Enable flushing after LCD writes if requested */
lcd_set_flush_dcache(config.cache_type & FDT_LCD_CACHE_FLUSH);
debug("LCD frame buffer at %08X\n", disp_config->frame_buffer);
}
static int tegra_lcd_probe(struct udevice *dev)
{
struct video_uc_platdata *plat = dev_get_uclass_platdata(dev);
struct video_priv *uc_priv = dev_get_uclass_priv(dev);
struct tegra_lcd_priv *priv = dev_get_priv(dev);
const void *blob = gd->fdt_blob;
int type = DCACHE_OFF;
/* Initialize the Tegra display controller */
if (tegra_display_probe(blob, priv, (void *)plat->base)) {
printf("%s: Failed to probe display driver\n", __func__);
return -1;
}
tegra_lcd_check_next_stage(blob, priv, 1);
/* Set up the LCD caching as requested */
if (priv->cache_type & FDT_LCD_CACHE_WRITE_THROUGH)
type = DCACHE_WRITETHROUGH;
else if (priv->cache_type & FDT_LCD_CACHE_WRITE_BACK)
type = DCACHE_WRITEBACK;
mmu_set_region_dcache_behaviour(priv->frame_buffer, plat->size, type);
/* Enable flushing after LCD writes if requested */
video_set_flush_dcache(dev, priv->cache_type & FDT_LCD_CACHE_FLUSH);
uc_priv->xsize = priv->width;
uc_priv->ysize = priv->height;
uc_priv->bpix = priv->log2_bpp;
debug("LCD frame buffer at %pa, size %x\n", &priv->frame_buffer,
plat->size);
return 0;
}
static int zynq_gem_probe(struct udevice *dev)
{
void *bd_space;
struct zynq_gem_priv *priv = dev_get_priv(dev);
int ret;
/* Align rxbuffers to ARCH_DMA_MINALIGN */
priv->rxbuffers = memalign(ARCH_DMA_MINALIGN, RX_BUF * PKTSIZE_ALIGN);
memset(priv->rxbuffers, 0, RX_BUF * PKTSIZE_ALIGN);
/* 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);
/* Initialize the bd spaces for tx and rx bd's */
priv->tx_bd = (struct emac_bd *)bd_space;
priv->rx_bd = (struct emac_bd *)((ulong)bd_space + BD_SEPRN_SPACE);
priv->bus = mdio_alloc();
priv->bus->read = zynq_gem_miiphy_read;
priv->bus->write = zynq_gem_miiphy_write;
priv->bus->priv = priv;
strcpy(priv->bus->name, "gem");
ret = mdio_register(priv->bus);
if (ret)
return ret;
zynq_phy_init(dev);
return 0;
}
int zynq_gem_initialize(bd_t *bis, phys_addr_t base_addr,
int phy_addr, u32 emio)
{
struct eth_device *dev;
struct zynq_gem_priv *priv;
void *bd_space;
dev = calloc(1, sizeof(*dev));
if (dev == NULL)
return -1;
dev->priv = calloc(1, sizeof(struct zynq_gem_priv));
if (dev->priv == NULL) {
free(dev);
return -1;
}
priv = dev->priv;
/* Align rxbuffers to ARCH_DMA_MINALIGN */
priv->rxbuffers = memalign(ARCH_DMA_MINALIGN, RX_BUF * PKTSIZE_ALIGN);
memset(priv->rxbuffers, 0, RX_BUF * PKTSIZE_ALIGN);
/* 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);
/* Initialize the bd spaces for tx and rx bd's */
priv->tx_bd = (struct emac_bd *)bd_space;
priv->rx_bd = (struct emac_bd *)((unsigned long)bd_space +
BD_SEPRN_SPACE);
priv->phyaddr = phy_addr;
priv->emio = emio;
#ifndef CONFIG_ZYNQ_GEM_INTERFACE
priv->interface = PHY_INTERFACE_MODE_MII;
#else
priv->interface = CONFIG_ZYNQ_GEM_INTERFACE;
#endif
sprintf(dev->name, "Gem.%lx", base_addr);
dev->iobase = base_addr;
dev->init = zynq_gem_init;
dev->halt = zynq_gem_halt;
dev->send = zynq_gem_send;
dev->recv = zynq_gem_recv;
dev->write_hwaddr = zynq_gem_setup_mac;
eth_register(dev);
miiphy_register(dev->name, zynq_gem_miiphyread, zynq_gem_miiphy_write);
priv->bus = miiphy_get_dev_by_name(dev->name);
return 1;
}
void enable_caches(void)
{
#if defined(CONFIG_SYS_ARM_CACHE_WRITETHROUGH)
enum dcache_option option = DCACHE_WRITETHROUGH;
#else
enum dcache_option option = DCACHE_WRITEBACK;
#endif
/* Avoid random hang when download by usb */
invalidate_dcache_all();
/* Enable D-cache. I-cache is already enabled in start.S */
dcache_enable();
/* Enable caching on OCRAM and ROM */
mmu_set_region_dcache_behaviour(ROMCP_ARB_BASE_ADDR,
ROMCP_ARB_END_ADDR,
option);
mmu_set_region_dcache_behaviour(IRAM_BASE_ADDR,
IRAM_SIZE,
option);
}
void noncached_init(void)
{
phys_addr_t start, end;
size_t size;
end = ALIGN(mem_malloc_start, MMU_SECTION_SIZE) - MMU_SECTION_SIZE;
size = ALIGN(CONFIG_SYS_NONCACHED_MEMORY, MMU_SECTION_SIZE);
start = end - size;
debug("mapping memory %pa-%pa non-cached\n", &start, &end);
noncached_start = start;
noncached_end = end;
noncached_next = start;
#ifndef CONFIG_SYS_DCACHE_OFF
mmu_set_region_dcache_behaviour(noncached_start, size, DCACHE_OFF);
#endif
}
static int zynq_gem_probe(struct udevice *dev)
{
void *bd_space;
struct zynq_gem_priv *priv = dev_get_priv(dev);
int ret;
/* Align rxbuffers to ARCH_DMA_MINALIGN */
priv->rxbuffers = memalign(ARCH_DMA_MINALIGN, RX_BUF * PKTSIZE_ALIGN);
if (!priv->rxbuffers)
return -ENOMEM;
memset(priv->rxbuffers, 0, RX_BUF * PKTSIZE_ALIGN);
/* Align bd_space to MMU_SECTION_SHIFT */
bd_space = memalign(1 << MMU_SECTION_SHIFT, BD_SPACE);
if (!bd_space)
return -ENOMEM;
mmu_set_region_dcache_behaviour((phys_addr_t)bd_space,
BD_SPACE, DCACHE_OFF);
/* Initialize the bd spaces for tx and rx bd's */
priv->tx_bd = (struct emac_bd *)bd_space;
priv->rx_bd = (struct emac_bd *)((ulong)bd_space + BD_SEPRN_SPACE);
ret = clk_get_by_name(dev, "tx_clk", &priv->clk);
if (ret < 0) {
dev_err(dev, "failed to get clock\n");
return -EINVAL;
}
priv->bus = mdio_alloc();
priv->bus->read = zynq_gem_miiphy_read;
priv->bus->write = zynq_gem_miiphy_write;
priv->bus->priv = priv;
ret = mdio_register_seq(priv->bus, dev->seq);
if (ret)
return ret;
return zynq_phy_init(dev);
}