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https://github.com/AsahiLinux/m1n1
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Revert "usb: Add usb_idx_from_address() to find a dev by its MMIO addr"
This is no longer needed, so put things back the way they were.
This reverts commit e689ceb263.
Signed-off-by: Hector Martin <marcan@marcan.st>
This commit is contained in:
Hector Martin
parent
be7ff3a062
commit
de6979fc7b
2 changed files with 17 additions and 54 deletions
70
src/usb.c
70
src/usb.c
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@ -15,7 +15,6 @@
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#include "vsprintf.h"
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struct usb_drd_regs {
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int initialized;
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uintptr_t drd_regs;
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uintptr_t drd_regs_unk3;
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uintptr_t atc;
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@ -35,7 +34,6 @@ struct usb_drd_regs {
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static tps6598x_irq_state_t tps6598x_irq_state[USB_IODEV_COUNT];
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static bool usb_is_initialized = false;
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struct usb_drd_regs usb_regs[USB_IODEV_COUNT];
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static dart_dev_t *usb_dart_init(u32 idx)
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{
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@ -72,7 +70,6 @@ static int usb_drd_get_regs(u32 idx, struct usb_drd_regs *regs)
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adt_drd_offset = adt_path_offset_trace(adt, drd_path, adt_drd_path);
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if (adt_drd_offset < 0) {
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// Nonexistent device
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// printf("usb: Error getting drd node %s\n", drd_path);
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return -1;
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}
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@ -99,13 +96,17 @@ static int usb_drd_get_regs(u32 idx, struct usb_drd_regs *regs)
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return 0;
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}
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static int usb_phy_bringup(u32 idx)
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int usb_phy_bringup(u32 idx)
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{
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char path[24];
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if (idx >= USB_IODEV_COUNT)
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return -1;
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struct usb_drd_regs usb_regs;
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if (usb_drd_get_regs(idx, &usb_regs) < 0)
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return -1;
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snprintf(path, sizeof(path), FMT_ATC_PATH, idx);
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if (pmgr_adt_clocks_enable(path) < 0)
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return -1;
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@ -118,21 +119,21 @@ static int usb_phy_bringup(u32 idx)
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if (pmgr_adt_clocks_enable(path) < 0)
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return -1;
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write32(usb_regs[idx].atc + 0x08, 0x01c1000f);
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write32(usb_regs[idx].atc + 0x04, 0x00000003);
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write32(usb_regs[idx].atc + 0x04, 0x00000000);
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write32(usb_regs[idx].atc + 0x1c, 0x008c0813);
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write32(usb_regs[idx].atc + 0x00, 0x00000002);
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write32(usb_regs.atc + 0x08, 0x01c1000f);
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write32(usb_regs.atc + 0x04, 0x00000003);
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write32(usb_regs.atc + 0x04, 0x00000000);
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write32(usb_regs.atc + 0x1c, 0x008c0813);
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write32(usb_regs.atc + 0x00, 0x00000002);
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write32(usb_regs[idx].drd_regs_unk3 + 0x0c, 0x00000002);
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write32(usb_regs[idx].drd_regs_unk3 + 0x0c, 0x00000022);
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write32(usb_regs[idx].drd_regs_unk3 + 0x1c, 0x00000021);
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write32(usb_regs[idx].drd_regs_unk3 + 0x20, 0x00009332);
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write32(usb_regs.drd_regs_unk3 + 0x0c, 0x00000002);
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write32(usb_regs.drd_regs_unk3 + 0x0c, 0x00000022);
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write32(usb_regs.drd_regs_unk3 + 0x1c, 0x00000021);
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write32(usb_regs.drd_regs_unk3 + 0x20, 0x00009332);
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return 0;
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}
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static dwc3_dev_t *usb_iodev_bringup(u32 idx)
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dwc3_dev_t *usb_iodev_bringup(u32 idx)
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{
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dart_dev_t *usb_dart = usb_dart_init(idx);
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if (!usb_dart)
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@ -227,23 +228,6 @@ static tps6598x_dev_t *hpm_init(i2c_dev_t *i2c, const char *hpm_path)
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return tps;
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}
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static int usb_init_regs(int idx)
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{
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int ret;
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if (!usb_regs[idx].initialized) {
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ret = usb_drd_get_regs(idx, &usb_regs[idx]);
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if (ret >= 0)
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usb_regs[idx].initialized = 1;
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else
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usb_regs[idx].initialized = ret;
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} else {
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ret = min(usb_regs[idx].initialized, 0);
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}
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return ret;
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}
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void usb_init(void)
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{
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char hpm_path[sizeof(FMT_HPM_PATH)];
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@ -275,13 +259,8 @@ void usb_init(void)
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i2c_shutdown(i2c);
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for (int idx = 0; idx < USB_IODEV_COUNT; ++idx) {
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if (usb_init_regs(idx) < 0)
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continue; // Missing instance
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if (usb_phy_bringup(idx) < 0)
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printf("usb: unable to bringup the phy with index %d\n", idx);
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}
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for (int idx = 0; idx < USB_IODEV_COUNT; ++idx)
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usb_phy_bringup(idx); /* Fails on missing devices, just continue */
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usb_is_initialized = true;
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}
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@ -324,9 +303,6 @@ void usb_iodev_init(void)
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dwc3_dev_t *opaque;
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struct iodev *usb_iodev;
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if (usb_regs[i].initialized != 1)
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continue;
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opaque = usb_iodev_bringup(i);
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if (!opaque)
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continue;
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@ -358,18 +334,6 @@ void usb_iodev_shutdown(void)
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}
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}
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int usb_idx_from_address(u64 drd_base)
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{
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for (int i = 0; i < USB_IODEV_COUNT; i++) {
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if (usb_init_regs(i) < 0)
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continue;
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if (usb_regs[i].drd_regs == drd_base)
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return i;
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}
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return -1;
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}
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void usb_iodev_vuart_setup(iodev_id_t iodev)
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{
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if (iodev < IODEV_USB0 || iodev >= IODEV_USB0 + USB_IODEV_COUNT)
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@ -13,7 +13,6 @@ void usb_init(void);
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void usb_hpm_restore_irqs(bool force);
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void usb_iodev_init(void);
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void usb_iodev_shutdown(void);
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int usb_idx_from_address(u64 drd_base);
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void usb_iodev_vuart_setup(iodev_id_t iodev);
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#endif
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