static int __init tegra_init_ahb_gizmo_settings(void)
{
unsigned long val;
val = gizmo_readl(AHB_GIZMO_AHB_MEM);
val |= ENB_FAST_REARBITRATE | IMMEDIATE | DONT_SPLIT_AHB_WR;
if (tegra_get_chipid() == TEGRA_CHIPID_TEGRA11 &&
tegra_revision == TEGRA_REVISION_A02)
val |= WR_WAIT_COMMIT_ON_1K;
#ifdef CONFIG_ARCH_TEGRA_14x_SOC
val |= WR_WAIT_COMMIT_ON_1K | EN_USB_WAIT_COMMIT_ON_1K_STALL;
#endif
gizmo_writel(val, AHB_GIZMO_AHB_MEM);
val = gizmo_readl(AHB_GIZMO_USB);
val |= IMMEDIATE;
gizmo_writel(val, AHB_GIZMO_USB);
val = gizmo_readl(AHB_GIZMO_USB2);
val |= IMMEDIATE;
gizmo_writel(val, AHB_GIZMO_USB2);
val = gizmo_readl(AHB_GIZMO_USB3);
val |= IMMEDIATE;
gizmo_writel(val, AHB_GIZMO_USB3);
val = gizmo_readl(AHB_ARBITRATION_PRIORITY_CTRL);
val |= PRIORITY_SELECT_USB | PRIORITY_SELECT_USB2 | PRIORITY_SELECT_USB3
| AHB_PRIORITY_WEIGHT(7);
gizmo_writel(val, AHB_ARBITRATION_PRIORITY_CTRL);
val = gizmo_readl(AHB_MEM_PREFETCH_CFG1);
val &= ~MST_ID(~0);
val |= PREFETCH_ENB | AHBDMA_MST_ID | ADDR_BNDRY(0xc) | INACTIVITY_TIMEOUT(0x1000);
ahb_gizmo_writel(val,
IO_ADDRESS(TEGRA_AHB_GIZMO_BASE + AHB_MEM_PREFETCH_CFG1));
val = gizmo_readl(AHB_MEM_PREFETCH_CFG2);
val &= ~MST_ID(~0);
val |= PREFETCH_ENB | USB_MST_ID | ADDR_BNDRY(0xc) | INACTIVITY_TIMEOUT(0x1000);
ahb_gizmo_writel(val,
IO_ADDRESS(TEGRA_AHB_GIZMO_BASE + AHB_MEM_PREFETCH_CFG2));
val = gizmo_readl(AHB_MEM_PREFETCH_CFG3);
val &= ~MST_ID(~0);
val |= PREFETCH_ENB | USB3_MST_ID | ADDR_BNDRY(0xc) | INACTIVITY_TIMEOUT(0x1000);
ahb_gizmo_writel(val,
IO_ADDRESS(TEGRA_AHB_GIZMO_BASE + AHB_MEM_PREFETCH_CFG3));
val = gizmo_readl(AHB_MEM_PREFETCH_CFG4);
val &= ~MST_ID(~0);
val |= PREFETCH_ENB | USB2_MST_ID | ADDR_BNDRY(0xc) | INACTIVITY_TIMEOUT(0x1000);
ahb_gizmo_writel(val,
IO_ADDRESS(TEGRA_AHB_GIZMO_BASE + AHB_MEM_PREFETCH_CFG4));
register_syscore_ops(&tegra_ahbgizmo_syscore_ops);
return 0;
}
static void tegra_ahb_gizmo_init(struct tegra_ahb *ahb)
{
u32 val;
val = gizmo_readl(ahb, AHB_GIZMO_AHB_MEM);
val |= ENB_FAST_REARBITRATE | IMMEDIATE | DONT_SPLIT_AHB_WR;
gizmo_writel(ahb, val, AHB_GIZMO_AHB_MEM);
val = gizmo_readl(ahb, AHB_GIZMO_USB);
val |= IMMEDIATE;
gizmo_writel(ahb, val, AHB_GIZMO_USB);
val = gizmo_readl(ahb, AHB_GIZMO_USB2);
val |= IMMEDIATE;
gizmo_writel(ahb, val, AHB_GIZMO_USB2);
val = gizmo_readl(ahb, AHB_GIZMO_USB3);
val |= IMMEDIATE;
gizmo_writel(ahb, val, AHB_GIZMO_USB3);
val = gizmo_readl(ahb, AHB_ARBITRATION_PRIORITY_CTRL);
val |= PRIORITY_SELECT_USB |
PRIORITY_SELECT_USB2 |
PRIORITY_SELECT_USB3 |
AHB_PRIORITY_WEIGHT(7);
gizmo_writel(ahb, val, AHB_ARBITRATION_PRIORITY_CTRL);
val = gizmo_readl(ahb, AHB_MEM_PREFETCH_CFG1);
val &= ~MST_ID(~0);
val |= PREFETCH_ENB |
AHBDMA_MST_ID |
ADDR_BNDRY(0xc) |
INACTIVITY_TIMEOUT(0x1000);
gizmo_writel(ahb, val, AHB_MEM_PREFETCH_CFG1);
val = gizmo_readl(ahb, AHB_MEM_PREFETCH_CFG2);
val &= ~MST_ID(~0);
val |= PREFETCH_ENB |
USB_MST_ID |
ADDR_BNDRY(0xc) |
INACTIVITY_TIMEOUT(0x1000);
gizmo_writel(ahb, val, AHB_MEM_PREFETCH_CFG2);
val = gizmo_readl(ahb, AHB_MEM_PREFETCH_CFG3);
val &= ~MST_ID(~0);
val |= PREFETCH_ENB |
USB3_MST_ID |
ADDR_BNDRY(0xc) |
INACTIVITY_TIMEOUT(0x1000);
gizmo_writel(ahb, val, AHB_MEM_PREFETCH_CFG3);
val = gizmo_readl(ahb, AHB_MEM_PREFETCH_CFG4);
val &= ~MST_ID(~0);
val |= PREFETCH_ENB |
USB2_MST_ID |
ADDR_BNDRY(0xc) |
INACTIVITY_TIMEOUT(0x1000);
gizmo_writel(ahb, val, AHB_MEM_PREFETCH_CFG4);
}