diff options
Diffstat (limited to 'arch/mips/cavium-octeon/octeon-platform.c')
| -rw-r--r-- | arch/mips/cavium-octeon/octeon-platform.c | 50 |
1 files changed, 45 insertions, 5 deletions
diff --git a/arch/mips/cavium-octeon/octeon-platform.c b/arch/mips/cavium-octeon/octeon-platform.c index 3c1b625a585..6df0f4d8f19 100644 --- a/arch/mips/cavium-octeon/octeon-platform.c +++ b/arch/mips/cavium-octeon/octeon-platform.c @@ -171,6 +171,7 @@ device_initcall(octeon_ohci_device_init); static struct of_device_id __initdata octeon_ids[] = { { .compatible = "simple-bus", }, { .compatible = "cavium,octeon-6335-uctl", }, + { .compatible = "cavium,octeon-5750-usbn", }, { .compatible = "cavium,octeon-3860-bootbus", }, { .compatible = "cavium,mdio-mux", }, { .compatible = "gpio-leds", }, @@ -334,15 +335,16 @@ static void __init octeon_fdt_pip_iface(int pip, int idx, u64 *pmac) char name_buffer[20]; int iface; int p; - int count; - - count = cvmx_helper_interface_enumerate(idx); + int count = 0; snprintf(name_buffer, sizeof(name_buffer), "interface@%d", idx); iface = fdt_subnode_offset(initial_boot_params, pip, name_buffer); if (iface < 0) return; + if (cvmx_helper_interface_enumerate(idx) == 0) + count = cvmx_helper_ports_on_interface(idx); + for (p = 0; p < 16; p++) octeon_fdt_pip_port(iface, idx, p, count - 1, pmac); } @@ -410,7 +412,7 @@ int __init octeon_prune_device_tree(void) pip_path = fdt_getprop(initial_boot_params, aliases, "pip", NULL); if (pip_path) { int pip = fdt_path_offset(initial_boot_params, pip_path); - if (pip >= 0) + if (pip >= 0) for (i = 0; i <= 4; i++) octeon_fdt_pip_iface(pip, i, &mac_addr_base); } @@ -490,8 +492,15 @@ int __init octeon_prune_device_tree(void) if (alias_prop) { uart = fdt_path_offset(initial_boot_params, alias_prop); - if (uart_mask & (1 << i)) + if (uart_mask & (1 << i)) { + __be32 f; + + f = cpu_to_be32(octeon_get_io_clock_rate()); + fdt_setprop_inplace(initial_boot_params, + uart, "clock-frequency", + &f, sizeof(f)); continue; + } pr_debug("Deleting uart%d\n", i); fdt_nop_node(initial_boot_params, uart); fdt_nop_property(initial_boot_params, aliases, @@ -674,6 +683,37 @@ end_led: } } + /* DWC2 USB */ + alias_prop = fdt_getprop(initial_boot_params, aliases, + "usbn", NULL); + if (alias_prop) { + int usbn = fdt_path_offset(initial_boot_params, alias_prop); + + if (usbn >= 0 && (current_cpu_type() == CPU_CAVIUM_OCTEON2 || + !octeon_has_feature(OCTEON_FEATURE_USB))) { + pr_debug("Deleting usbn\n"); + fdt_nop_node(initial_boot_params, usbn); + fdt_nop_property(initial_boot_params, aliases, "usbn"); + } else { + __be32 new_f[1]; + enum cvmx_helper_board_usb_clock_types c; + c = __cvmx_helper_board_usb_get_clock_type(); + switch (c) { + case USB_CLOCK_TYPE_REF_48: + new_f[0] = cpu_to_be32(48000000); + fdt_setprop_inplace(initial_boot_params, usbn, + "refclk-frequency", new_f, sizeof(new_f)); + /* Fall through ...*/ + case USB_CLOCK_TYPE_REF_12: + /* Missing "refclk-type" defaults to external. */ + fdt_nop_property(initial_boot_params, usbn, "refclk-type"); + break; + default: + break; + } + } + } + return 0; } |