OSData * IOMapper::
NewARTTable(IOByteCount size, void ** virtAddrP, ppnum_t *physAddrP)
{
if (!virtAddrP || !physAddrP)
return 0;
kern_return_t kr;
vm_address_t address;
size = round_page(size);
kr = kmem_alloc_contig(kernel_map, &address, size, PAGE_MASK, 0 /*max_pnum*/, 0 /*pnum_mask*/, false);
if (kr)
return 0;
ppnum_t pagenum = pmap_find_phys(kernel_pmap, (addr64_t) address);
if (pagenum)
*physAddrP = pagenum;
else {
FreeARTTable((OSData *) address, size);
address = 0;
}
*virtAddrP = (void *) address;
return (OSData *) address;
}
/*
* UMA backend page allocator for the jumbo frame zones.
*
* Allocates kernel virtual memory that is backed by contiguous physical
* pages.
*/
static void *
mbuf_jumbo_alloc(uma_zone_t zone, int bytes, uint8_t *flags, int wait)
{
/* Inform UMA that this allocator uses kernel_map/object. */
*flags = UMA_SLAB_KERNEL;
return ((void *)kmem_alloc_contig(kernel_map, bytes, wait,
(vm_paddr_t)0, ~(vm_paddr_t)0, 1, 0, VM_MEMATTR_DEFAULT));
}
int
dmar_init_qi(struct dmar_unit *unit)
{
uint64_t iqa;
uint32_t ics;
int qi_sz;
if (!DMAR_HAS_QI(unit) || (unit->hw_cap & DMAR_CAP_CM) != 0)
return (0);
unit->qi_enabled = 1;
TUNABLE_INT_FETCH("hw.dmar.qi", &unit->qi_enabled);
if (!unit->qi_enabled)
return (0);
TAILQ_INIT(&unit->tlb_flush_entries);
TASK_INIT(&unit->qi_task, 0, dmar_qi_task, unit);
unit->qi_taskqueue = taskqueue_create_fast("dmarqf", M_WAITOK,
taskqueue_thread_enqueue, &unit->qi_taskqueue);
taskqueue_start_threads(&unit->qi_taskqueue, 1, PI_AV,
"dmar%d qi taskq", unit->unit);
unit->inv_waitd_gen = 0;
unit->inv_waitd_seq = 1;
qi_sz = DMAR_IQA_QS_DEF;
TUNABLE_INT_FETCH("hw.dmar.qi_size", &qi_sz);
if (qi_sz > DMAR_IQA_QS_MAX)
qi_sz = DMAR_IQA_QS_MAX;
unit->inv_queue_size = (1ULL << qi_sz) * PAGE_SIZE;
/* Reserve one descriptor to prevent wraparound. */
unit->inv_queue_avail = unit->inv_queue_size - DMAR_IQ_DESCR_SZ;
/* The invalidation queue reads by DMARs are always coherent. */
unit->inv_queue = kmem_alloc_contig(kernel_arena, unit->inv_queue_size,
M_WAITOK | M_ZERO, 0, dmar_high, PAGE_SIZE, 0, VM_MEMATTR_DEFAULT);
unit->inv_waitd_seq_hw_phys = pmap_kextract(
(vm_offset_t)&unit->inv_waitd_seq_hw);
DMAR_LOCK(unit);
dmar_write8(unit, DMAR_IQT_REG, 0);
iqa = pmap_kextract(unit->inv_queue);
iqa |= qi_sz;
dmar_write8(unit, DMAR_IQA_REG, iqa);
dmar_enable_qi(unit);
ics = dmar_read4(unit, DMAR_ICS_REG);
if ((ics & DMAR_ICS_IWC) != 0) {
ics = DMAR_ICS_IWC;
dmar_write4(unit, DMAR_ICS_REG, ics);
}
dmar_enable_qi_intr(unit);
DMAR_UNLOCK(unit);
return (0);
}
/*
* UMA backend page allocator for the jumbo frame zones.
*
* Allocates kernel virtual memory that is backed by contiguous physical
* pages.
*/
static void *
mbuf_jumbo_alloc(uma_zone_t zone, int bytes, uint8_t *flags, int wait)
{
#ifndef __rtems__
/* Inform UMA that this allocator uses kernel_map/object. */
*flags = UMA_SLAB_KERNEL;
return ((void *)kmem_alloc_contig(kernel_map, bytes, wait,
(vm_paddr_t)0, ~(vm_paddr_t)0, 1, 0, VM_MEMATTR_DEFAULT));
#else /* __rtems__ */
return ((void *)malloc(bytes, M_TEMP, wait));
#endif /* __rtems__ */
}
/*
* contigmalloc:
*
* Allocate a block of physically contiguous memory.
*
* If M_NOWAIT is set, this routine will not block and return NULL if
* the allocation fails.
*/
void *
contigmalloc(unsigned long size, struct malloc_type *type, int flags,
vm_paddr_t low, vm_paddr_t high, unsigned long alignment,
vm_paddr_t boundary)
{
void *ret;
ret = (void *)kmem_alloc_contig(kernel_arena, size, flags, low, high,
alignment, boundary, VM_MEMATTR_DEFAULT);
if (ret != NULL)
malloc_type_allocated(type, round_page(size));
return (ret);
}
static int
jzlcd_allocfb(struct jzlcd_softc *sc)
{
sc->vaddr = kmem_alloc_contig(kernel_arena, sc->fbsize,
M_NOWAIT | M_ZERO, 0, ~0, FB_ALIGN, 0, VM_MEMATTR_WRITE_COMBINING);
if (sc->vaddr == 0) {
device_printf(sc->dev, "failed to allocate FB memory\n");
return (ENOMEM);
}
sc->paddr = pmap_kextract(sc->vaddr);
return (0);
}
/*
* UMA backend page allocator for the jumbo frame zones.
*
* Allocates kernel virtual memory that is backed by contiguous physical
* pages.
*/
static void *
mbuf_jumbo_alloc(uma_zone_t zone, int bytes, uint8_t *flags, int wait)
{
#if 0
/* Inform UMA that this allocator uses kernel_map/object. */
*flags = UMA_SLAB_KERNEL;
return ((void *)kmem_alloc_contig(kernel_map, bytes, wait,
(vm_paddr_t)0, ~(vm_paddr_t)0, 1, 0, VM_MEMATTR_DEFAULT));
#else
/* OSv: We don't use an allocf function in the UMA allocator stub so this
* function isn't being called */
return (NULL);
#endif
}
void *
dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
gfp_t flag)
{
vm_paddr_t high;
size_t align;
void *mem;
#if 0 /* XXX swildner */
if (dev->dma_mask)
high = *dev->dma_mask;
else
#endif
high = BUS_SPACE_MAXADDR_32BIT;
align = PAGE_SIZE << get_order(size);
mem = (void *)kmem_alloc_contig(size, 0, high, align);
if (mem)
*dma_handle = vtophys(mem);
else
*dma_handle = 0;
return (mem);
}
static int
load_fw(struct tegra_xhci_softc *sc)
{
const struct firmware *fw;
const struct tegra_xusb_fw_hdr *fw_hdr;
vm_paddr_t fw_paddr, fw_base;
vm_offset_t fw_vaddr;
vm_size_t fw_size;
uint32_t code_tags, code_size;
struct clocktime fw_clock;
struct timespec fw_timespec;
int i;
/* Reset ARU */
FPCI_WR4(sc, XUSB_CFG_ARU_RST, ARU_RST_RESET);
DELAY(3000);
/* Check if FALCON already runs */
if (CSB_RD4(sc, XUSB_CSB_MEMPOOL_ILOAD_BASE_LO) != 0) {
device_printf(sc->dev,
"XUSB CPU is already loaded, CPUCTL: 0x%08X\n",
CSB_RD4(sc, XUSB_FALCON_CPUCTL));
return (0);
}
fw = firmware_get(sc->fw_name);
if (fw == NULL) {
device_printf(sc->dev, "Cannot read xusb firmware\n");
return (ENOENT);
}
/* Allocate uncached memory and copy firmware into. */
fw_hdr = (const struct tegra_xusb_fw_hdr *)fw->data;
fw_size = fw_hdr->fwimg_len;
fw_vaddr = kmem_alloc_contig(kernel_arena, fw_size,
M_WAITOK, 0, -1UL, PAGE_SIZE, 0, VM_MEMATTR_UNCACHEABLE);
fw_paddr = vtophys(fw_vaddr);
fw_hdr = (const struct tegra_xusb_fw_hdr *)fw_vaddr;
memcpy((void *)fw_vaddr, fw->data, fw_size);
firmware_put(fw, FIRMWARE_UNLOAD);
sc->fw_vaddr = fw_vaddr;
sc->fw_size = fw_size;
/* Setup firmware physical address and size. */
fw_base = fw_paddr + sizeof(*fw_hdr);
CSB_WR4(sc, XUSB_CSB_MEMPOOL_ILOAD_ATTR, fw_size);
CSB_WR4(sc, XUSB_CSB_MEMPOOL_ILOAD_BASE_LO, fw_base & 0xFFFFFFFF);
CSB_WR4(sc, XUSB_CSB_MEMPOOL_ILOAD_BASE_HI, (uint64_t)fw_base >> 32);
CSB_WR4(sc, XUSB_CSB_MEMPOOL_APMAP, APMAP_BOOTPATH);
/* Invalidate full L2IMEM context. */
CSB_WR4(sc, XUSB_CSB_MEMPOOL_L2IMEMOP_TRIG,
L2IMEMOP_INVALIDATE_ALL);
/* Program load of L2IMEM by boot code. */
code_tags = howmany(fw_hdr->boot_codetag, XUSB_CSB_IMEM_BLOCK_SIZE);
code_size = howmany(fw_hdr->boot_codesize, XUSB_CSB_IMEM_BLOCK_SIZE);
CSB_WR4(sc, XUSB_CSB_MEMPOOL_L2IMEMOP_SIZE,
L2IMEMOP_SIZE_OFFSET(code_tags) |
L2IMEMOP_SIZE_SIZE(code_size));
/* Execute L2IMEM boot code fetch. */
CSB_WR4(sc, XUSB_CSB_MEMPOOL_L2IMEMOP_TRIG,
L2IMEMOP_LOAD_LOCKED_RESULT);
/* Program FALCON auto-fill range and block count */
CSB_WR4(sc, XUSB_FALCON_IMFILLCTL, code_size);
CSB_WR4(sc, XUSB_FALCON_IMFILLRNG1,
IMFILLRNG1_TAG_LO(code_tags) |
IMFILLRNG1_TAG_HI(code_tags + code_size));
CSB_WR4(sc, XUSB_FALCON_DMACTL, 0);
/* Wait for CPU */
for (i = 500; i > 0; i--) {
if (CSB_RD4(sc, XUSB_CSB_MEMPOOL_L2IMEMOP_RESULT) &
L2IMEMOP_RESULT_VLD)
break;
DELAY(100);
}
if (i <= 0) {
device_printf(sc->dev, "Timedout while wating for DMA, "
"state: 0x%08X\n",
CSB_RD4(sc, XUSB_CSB_MEMPOOL_L2IMEMOP_RESULT));
return (ETIMEDOUT);
}
/* Boot FALCON cpu */
CSB_WR4(sc, XUSB_FALCON_BOOTVEC, fw_hdr->boot_codetag);
CSB_WR4(sc, XUSB_FALCON_CPUCTL, CPUCTL_STARTCPU);
/* Wait for CPU */
for (i = 50; i > 0; i--) {
if (CSB_RD4(sc, XUSB_FALCON_CPUCTL) == CPUCTL_STOPPED)
break;
DELAY(100);
}
if (i <= 0) {
device_printf(sc->dev, "Timedout while wating for FALCON cpu, "
"state: 0x%08X\n", CSB_RD4(sc, XUSB_FALCON_CPUCTL));
return (ETIMEDOUT);
}
fw_timespec.tv_sec = fw_hdr->fwimg_created_time;
fw_timespec.tv_nsec = 0;
clock_ts_to_ct(&fw_timespec, &fw_clock);
device_printf(sc->dev,
" Falcon firmware version: %02X.%02X.%04X,"
" (%d/%d/%d %d:%02d:%02d UTC)\n",
(fw_hdr->version_id >> 24) & 0xFF,(fw_hdr->version_id >> 15) & 0xFF,
fw_hdr->version_id & 0xFFFF,
fw_clock.day, fw_clock.mon, fw_clock.year,
fw_clock.hour, fw_clock.min, fw_clock.sec);
return (0);
}
mach_vm_address_t
IOKernelAllocateWithPhysicalRestrict(mach_vm_size_t size, mach_vm_address_t maxPhys,
mach_vm_size_t alignment, bool contiguous)
{
kern_return_t kr;
mach_vm_address_t address;
mach_vm_address_t allocationAddress;
mach_vm_size_t adjustedSize;
mach_vm_address_t alignMask;
if (size == 0)
return (0);
if (alignment == 0)
alignment = 1;
alignMask = alignment - 1;
adjustedSize = (2 * size) + sizeof(mach_vm_size_t) + sizeof(mach_vm_address_t);
contiguous = (contiguous && (adjustedSize > page_size))
|| (alignment > page_size);
if (contiguous || maxPhys)
{
int options = 0;
vm_offset_t virt;
adjustedSize = size;
contiguous = (contiguous && (adjustedSize > page_size))
|| (alignment > page_size);
if (!contiguous)
{
if (maxPhys <= 0xFFFFFFFF)
{
maxPhys = 0;
options |= KMA_LOMEM;
}
else if (gIOLastPage && (atop_64(maxPhys) > gIOLastPage))
{
maxPhys = 0;
}
}
if (contiguous || maxPhys)
{
kr = kmem_alloc_contig(kernel_map, &virt, size,
alignMask, atop(maxPhys), atop(alignMask), 0);
}
else
{
kr = kernel_memory_allocate(kernel_map, &virt,
size, alignMask, options);
}
if (KERN_SUCCESS == kr)
address = virt;
else
address = 0;
}
else
{
adjustedSize += alignMask;
allocationAddress = (mach_vm_address_t) kalloc(adjustedSize);
if (allocationAddress) {
address = (allocationAddress + alignMask
+ (sizeof(mach_vm_size_t) + sizeof(mach_vm_address_t)))
& (~alignMask);
if (atop_32(address) != atop_32(address + size - 1))
address = round_page(address);
*((mach_vm_size_t *)(address - sizeof(mach_vm_size_t)
- sizeof(mach_vm_address_t))) = adjustedSize;
*((mach_vm_address_t *)(address - sizeof(mach_vm_address_t)))
= allocationAddress;
} else
address = 0;
}
if (address) {
IOStatisticsAlloc(kIOStatisticsMallocContiguous, size);
#if IOALLOCDEBUG
debug_iomalloc_size += size;
#endif
}
return (address);
}
static int
fimd_attach(device_t dev)
{
struct panel_info panel;
struct fimd_softc *sc;
device_t gpio_dev;
int reg;
sc = device_get_softc(dev);
sc->dev = dev;
if (bus_alloc_resources(dev, fimd_spec, sc->res)) {
device_printf(dev, "could not allocate resources\n");
return (ENXIO);
}
/* Memory interface */
sc->bst = rman_get_bustag(sc->res[0]);
sc->bsh = rman_get_bushandle(sc->res[0]);
sc->bst_disp = rman_get_bustag(sc->res[1]);
sc->bsh_disp = rman_get_bushandle(sc->res[1]);
sc->bst_sysreg = rman_get_bustag(sc->res[2]);
sc->bsh_sysreg = rman_get_bushandle(sc->res[2]);
if (get_panel_info(sc, &panel)) {
device_printf(dev, "Can't get panel info\n");
return (ENXIO);
}
panel.fixvclk = 0;
panel.ivclk = 0;
panel.clkval_f = 2;
sc->panel = &panel;
/* Get the GPIO device, we need this to give power to USB */
gpio_dev = devclass_get_device(devclass_find("gpio"), 0);
if (gpio_dev == NULL) {
/* TODO */
}
reg = bus_space_read_4(sc->bst_sysreg, sc->bsh_sysreg, 0x214);
reg |= FIMDBYPASS_DISP1;
bus_space_write_4(sc->bst_sysreg, sc->bsh_sysreg, 0x214, reg);
sc->sc_info.fb_width = panel.width;
sc->sc_info.fb_height = panel.height;
sc->sc_info.fb_stride = sc->sc_info.fb_width * 2;
sc->sc_info.fb_bpp = sc->sc_info.fb_depth = 16;
sc->sc_info.fb_size = sc->sc_info.fb_height * sc->sc_info.fb_stride;
sc->sc_info.fb_vbase = (intptr_t)kmem_alloc_contig(kernel_arena,
sc->sc_info.fb_size, M_ZERO, 0, ~0, PAGE_SIZE, 0, VM_MEMATTR_UNCACHEABLE);
sc->sc_info.fb_pbase = (intptr_t)vtophys(sc->sc_info.fb_vbase);
#if 0
printf("%dx%d [%d]\n", sc->sc_info.fb_width, sc->sc_info.fb_height,
sc->sc_info.fb_stride);
printf("pbase == 0x%08x\n", sc->sc_info.fb_pbase);
#endif
memset((int8_t *)sc->sc_info.fb_vbase, 0x0, sc->sc_info.fb_size);
fimd_init(sc);
sc->sc_info.fb_name = device_get_nameunit(dev);
/* Ask newbus to attach framebuffer device to me. */
sc->sc_fbd = device_add_child(dev, "fbd", device_get_unit(dev));
if (sc->sc_fbd == NULL)
device_printf(dev, "Can't attach fbd device\n");
if (device_probe_and_attach(sc->sc_fbd) != 0) {
device_printf(sc->dev, "Failed to attach fbd device\n");
}
return (0);
}
