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@@ -16,6 +16,9 @@
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#include <asm/arch/gpio.h>
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#include <asm/arch/spl.h>
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+#define UBRDG_RESET SIFIVE_GENERIC_GPIO_NR(0, 7)
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+#define ULPI_RESET SIFIVE_GENERIC_GPIO_NR(0, 9)
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+#define UHUB_RESET SIFIVE_GENERIC_GPIO_NR(0, 11)
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#define GEM_PHY_RESET SIFIVE_GENERIC_GPIO_NR(0, 12)
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#define MODE_SELECT_REG 0x1000
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@@ -61,6 +64,21 @@ static inline int spl_gemgxl_init(void)
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return ret;
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}
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+static inline int spl_usb_pcie_bridge_init(void)
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+{
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+ return spl_reset_device_by_gpio("usb_pcie_bridge_reset", UBRDG_RESET, 3000);
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+}
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+
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+static inline int spl_usb_hub_init(void)
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+{
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+ return spl_reset_device_by_gpio("usb_hub_reset", UHUB_RESET, 100);
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+}
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+
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+static inline int spl_ulpi_init(void)
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+{
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+ return spl_reset_device_by_gpio("ulpi_reset", ULPI_RESET, 1);
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+}
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+
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int spl_board_init_f(void)
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{
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int ret;
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@@ -77,6 +95,24 @@ int spl_board_init_f(void)
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goto end;
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}
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+ ret = spl_usb_pcie_bridge_init();
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+ if (ret) {
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+ debug("USB Bridge (ASM1042A) init failed: %d\n", ret);
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+ goto end;
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+ }
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+
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+ ret = spl_usb_hub_init();
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+ if (ret) {
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+ debug("USB Hub (ASM1074) init failed: %d\n", ret);
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+ goto end;
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+ }
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+
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+ ret = spl_ulpi_init();
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+ if (ret) {
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+ debug("USB 2.0 PHY (USB3320C) init failed: %d\n", ret);
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+ goto end;
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+ }
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+
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end:
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return ret;
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}
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