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-rw-r--r--drivers/pci/fsl_pci_init.c143
-rw-r--r--drivers/pci/pci.c37
-rw-r--r--drivers/pci/pci_auto.c88
3 files changed, 207 insertions, 61 deletions
diff --git a/drivers/pci/fsl_pci_init.c b/drivers/pci/fsl_pci_init.c
index 38a16e5..7625ccc 100644
--- a/drivers/pci/fsl_pci_init.c
+++ b/drivers/pci/fsl_pci_init.c
@@ -18,6 +18,8 @@
#include <common.h>
+DECLARE_GLOBAL_DATA_PTR;
+
/*
* PCI/PCIE Controller initialization for mpc85xx/mpc86xx soc's
*
@@ -39,10 +41,92 @@ void pciauto_prescan_setup_bridge(struct pci_controller *hose,
pci_dev_t dev, int sub_bus);
void pciauto_postscan_setup_bridge(struct pci_controller *hose,
pci_dev_t dev, int sub_bus);
-
void pciauto_config_init(struct pci_controller *hose);
-void
-fsl_pci_init(struct pci_controller *hose)
+
+#ifndef CONFIG_SYS_PCI_MEMORY_BUS
+#define CONFIG_SYS_PCI_MEMORY_BUS 0
+#endif
+
+#ifndef CONFIG_SYS_PCI_MEMORY_PHYS
+#define CONFIG_SYS_PCI_MEMORY_PHYS 0
+#endif
+
+#if defined(CONFIG_SYS_PCI_64BIT) && !defined(CONFIG_SYS_PCI64_MEMORY_BUS)
+#define CONFIG_SYS_PCI64_MEMORY_BUS (64ull*1024*1024*1024)
+#endif
+
+int fsl_pci_setup_inbound_windows(struct pci_region *r)
+{
+ struct pci_region *rgn_base = r;
+ u64 sz = min((u64)gd->ram_size, 1ull << 32);
+
+ phys_addr_t phys_start = CONFIG_SYS_PCI_MEMORY_PHYS;
+ pci_addr_t bus_start = CONFIG_SYS_PCI_MEMORY_BUS;
+ pci_size_t pci_sz = 1ull << __ilog2_u64(sz);
+
+ debug ("R0 bus_start: %llx phys_start: %llx size: %llx\n",
+ (u64)bus_start, (u64)phys_start, (u64)pci_sz);
+ pci_set_region(r++, bus_start, phys_start, pci_sz,
+ PCI_REGION_MEM | PCI_REGION_MEMORY |
+ PCI_REGION_PREFETCH);
+
+ sz -= pci_sz;
+ bus_start += pci_sz;
+ phys_start += pci_sz;
+
+ pci_sz = 1ull << __ilog2_u64(sz);
+ if (sz) {
+ debug ("R1 bus_start: %llx phys_start: %llx size: %llx\n",
+ (u64)bus_start, (u64)phys_start, (u64)pci_sz);
+ pci_set_region(r++, bus_start, phys_start, pci_sz,
+ PCI_REGION_MEM | PCI_REGION_MEMORY |
+ PCI_REGION_PREFETCH);
+ sz -= pci_sz;
+ bus_start += pci_sz;
+ phys_start += pci_sz;
+ }
+
+#if defined(CONFIG_PHYS_64BIT) && defined(CONFIG_SYS_PCI_64BIT)
+ /*
+ * On 64-bit capable systems, set up a mapping for all of DRAM
+ * in high pci address space.
+ */
+ pci_sz = 1ull << __ilog2_u64(gd->ram_size);
+ /* round up to the next largest power of two */
+ if (gd->ram_size > pci_sz)
+ pci_sz = 1ull << (__ilog2_u64(gd->ram_size) + 1);
+ debug ("R64 bus_start: %llx phys_start: %llx size: %llx\n",
+ (u64)CONFIG_SYS_PCI64_MEMORY_BUS,
+ (u64)CONFIG_SYS_PCI_MEMORY_PHYS,
+ (u64)pci_sz);
+ pci_set_region(r++,
+ CONFIG_SYS_PCI64_MEMORY_BUS,
+ CONFIG_SYS_PCI_MEMORY_PHYS,
+ pci_sz,
+ PCI_REGION_MEM | PCI_REGION_MEMORY |
+ PCI_REGION_PREFETCH);
+#else
+ pci_sz = 1ull << __ilog2_u64(sz);
+ if (sz) {
+ debug ("R2 bus_start: %llx phys_start: %llx size: %llx\n",
+ (u64)bus_start, (u64)phys_start, (u64)pci_sz);
+ pci_set_region(r++, bus_start, phys_start, pci_sz,
+ PCI_REGION_MEM | PCI_REGION_MEMORY |
+ PCI_REGION_PREFETCH);
+ sz -= pci_sz;
+ bus_start += pci_sz;
+ phys_start += pci_sz;
+ }
+#endif
+
+ if (sz && (((u64)gd->ram_size) < (1ull << 32)))
+ printf("Was not able to map all of memory via "
+ "inbound windows -- %lld remaining\n", sz);
+
+ return r - rgn_base;
+}
+
+void fsl_pci_init(struct pci_controller *hose)
{
u16 temp16;
u32 temp32;
@@ -65,25 +149,36 @@ fsl_pci_init(struct pci_controller *hose)
#endif
for (r=0; r<hose->region_count; r++) {
+ u32 sz = (__ilog2_u64((u64)hose->regions[r].size) - 1);
if (hose->regions[r].flags & PCI_REGION_MEMORY) { /* inbound */
- pi->pitar = (hose->regions[r].bus_start >> 12) & 0x000fffff;
- pi->piwbar = (hose->regions[r].phys_start >> 12) & 0x000fffff;
+ u32 flag = PIWAR_EN | PIWAR_LOCAL |
+ PIWAR_READ_SNOOP | PIWAR_WRITE_SNOOP;
+ pi->pitar = (hose->regions[r].phys_start >> 12);
+ pi->piwbar = (hose->regions[r].bus_start >> 12);
+#ifdef CONFIG_SYS_PCI_64BIT
+ pi->piwbear = (hose->regions[r].bus_start >> 44);
+#else
pi->piwbear = 0;
- pi->piwar = PIWAR_EN | PIWAR_PF | PIWAR_LOCAL |
- PIWAR_READ_SNOOP | PIWAR_WRITE_SNOOP |
- (__ilog2(hose->regions[r].size) - 1);
+#endif
+ if (hose->regions[r].flags & PCI_REGION_PREFETCH)
+ flag |= PIWAR_PF;
+ pi->piwar = flag | sz;
pi++;
inbound = hose->regions[r].size > 0;
} else { /* Outbound */
- po->powbar = (hose->regions[r].phys_start >> 12) & 0x000fffff;
- po->potar = (hose->regions[r].bus_start >> 12) & 0x000fffff;
+ po->powbar = (hose->regions[r].phys_start >> 12);
+ po->potar = (hose->regions[r].bus_start >> 12);
+#ifdef CONFIG_SYS_PCI_64BIT
+ po->potear = (hose->regions[r].bus_start >> 44);
+#else
po->potear = 0;
+#endif
if (hose->regions[r].flags & PCI_REGION_IO)
- po->powar = POWAR_EN | POWAR_IO_READ | POWAR_IO_WRITE |
- (__ilog2(hose->regions[r].size) - 1);
+ po->powar = POWAR_EN | sz |
+ POWAR_IO_READ | POWAR_IO_WRITE;
else
- po->powar = POWAR_EN | POWAR_MEM_READ | POWAR_MEM_WRITE |
- (__ilog2(hose->regions[r].size) - 1);
+ po->powar = POWAR_EN | sz |
+ POWAR_MEM_READ | POWAR_MEM_WRITE;
po++;
}
}
@@ -208,3 +303,23 @@ fsl_pci_init(struct pci_controller *hose)
pci_hose_write_config_word(hose, dev, PCI_SEC_STATUS, 0xffff);
}
}
+
+#ifdef CONFIG_OF_BOARD_SETUP
+#include <libfdt.h>
+#include <fdt_support.h>
+
+void ft_fsl_pci_setup(void *blob, const char *pci_alias,
+ struct pci_controller *hose)
+{
+ int off = fdt_path_offset(blob, pci_alias);
+
+ if (off >= 0) {
+ u32 bus_range[2];
+
+ bus_range[0] = 0;
+ bus_range[1] = hose->last_busno - hose->first_busno;
+ fdt_setprop(blob, off, "bus-range", &bus_range[0], 2*4);
+ fdt_pci_dma_ranges(blob, off, hose);
+ }
+}
+#endif
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 41780db..e2b05d8 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -218,12 +218,12 @@ pci_dev_t pci_find_device(unsigned int vendor, unsigned int device, int index)
*
*/
-unsigned long pci_hose_phys_to_bus (struct pci_controller *hose,
+pci_addr_t pci_hose_phys_to_bus (struct pci_controller *hose,
phys_addr_t phys_addr,
unsigned long flags)
{
struct pci_region *res;
- unsigned long bus_addr;
+ pci_addr_t bus_addr;
int i;
if (!hose) {
@@ -252,7 +252,7 @@ Done:
}
phys_addr_t pci_hose_bus_to_phys(struct pci_controller* hose,
- unsigned long bus_addr,
+ pci_addr_t bus_addr,
unsigned long flags)
{
struct pci_region *res;
@@ -288,15 +288,17 @@ Done:
int pci_hose_config_device(struct pci_controller *hose,
pci_dev_t dev,
unsigned long io,
- unsigned long mem,
+ pci_addr_t mem,
unsigned long command)
{
- unsigned int bar_response, bar_size, bar_value, old_command;
+ unsigned int bar_response, old_command;
+ pci_addr_t bar_value;
+ pci_size_t bar_size;
unsigned char pin;
int bar, found_mem64;
- debug ("PCI Config: I/O=0x%lx, Memory=0x%lx, Command=0x%lx\n",
- io, mem, command);
+ debug ("PCI Config: I/O=0x%lx, Memory=0x%llx, Command=0x%lx\n",
+ io, (u64)mem, command);
pci_hose_write_config_dword (hose, dev, PCI_COMMAND, 0);
@@ -319,10 +321,19 @@ int pci_hose_config_device(struct pci_controller *hose,
io = io + bar_size;
} else {
if ((bar_response & PCI_BASE_ADDRESS_MEM_TYPE_MASK) ==
- PCI_BASE_ADDRESS_MEM_TYPE_64)
- found_mem64 = 1;
+ PCI_BASE_ADDRESS_MEM_TYPE_64) {
+ u32 bar_response_upper;
+ u64 bar64;
+ pci_hose_write_config_dword(hose, dev, bar+4, 0xffffffff);
+ pci_hose_read_config_dword(hose, dev, bar+4, &bar_response_upper);
- bar_size = ~(bar_response & PCI_BASE_ADDRESS_MEM_MASK) + 1;
+ bar64 = ((u64)bar_response_upper << 32) | bar_response;
+
+ bar_size = ~(bar64 & PCI_BASE_ADDRESS_MEM_MASK) + 1;
+ found_mem64 = 1;
+ } else {
+ bar_size = (u32)(~(bar_response & PCI_BASE_ADDRESS_MEM_MASK) + 1);
+ }
/* round up region base address to multiple of size */
mem = ((mem - 1) | (bar_size - 1)) + 1;
@@ -332,11 +343,15 @@ int pci_hose_config_device(struct pci_controller *hose,
}
/* Write it out and update our limit */
- pci_hose_write_config_dword (hose, dev, bar, bar_value);
+ pci_hose_write_config_dword (hose, dev, bar, (u32)bar_value);
if (found_mem64) {
bar += 4;
+#ifdef CONFIG_SYS_PCI_64BIT
+ pci_hose_write_config_dword(hose, dev, bar, (u32)(bar_value>>32));
+#else
pci_hose_write_config_dword (hose, dev, bar, 0x00000000);
+#endif
}
}
diff --git a/drivers/pci/pci_auto.c b/drivers/pci/pci_auto.c
index 3844359..c20b981 100644
--- a/drivers/pci/pci_auto.c
+++ b/drivers/pci/pci_auto.c
@@ -45,14 +45,14 @@ void pciauto_region_init(struct pci_region* res)
res->bus_lower = res->bus_start ? res->bus_start : 0x1000;
}
-void pciauto_region_align(struct pci_region *res, unsigned long size)
+void pciauto_region_align(struct pci_region *res, pci_size_t size)
{
res->bus_lower = ((res->bus_lower - 1) | (size - 1)) + 1;
}
-int pciauto_region_allocate(struct pci_region* res, unsigned int size, unsigned int *bar)
+int pciauto_region_allocate(struct pci_region* res, pci_size_t size, pci_addr_t *bar)
{
- unsigned long addr;
+ pci_addr_t addr;
if (!res) {
DEBUGF("No resource");
@@ -68,13 +68,13 @@ int pciauto_region_allocate(struct pci_region* res, unsigned int size, unsigned
res->bus_lower = addr + size;
- DEBUGF("address=0x%lx bus_lower=%x", addr, res->bus_lower);
+ DEBUGF("address=0x%llx bus_lower=0x%llx", (u64)addr, (u64)res->bus_lower);
*bar = addr;
return 0;
error:
- *bar = 0xffffffff;
+ *bar = (pci_addr_t)-1;
return -1;
}
@@ -88,7 +88,9 @@ void pciauto_setup_device(struct pci_controller *hose,
struct pci_region *prefetch,
struct pci_region *io)
{
- unsigned int bar_value, bar_response, bar_size;
+ unsigned int bar_response;
+ pci_addr_t bar_value;
+ pci_size_t bar_size;
unsigned int cmdstat = 0;
struct pci_region *bar_res;
int bar, bar_nr = 0;
@@ -114,33 +116,46 @@ void pciauto_setup_device(struct pci_controller *hose,
& 0xffff) + 1;
bar_res = io;
- DEBUGF("PCI Autoconfig: BAR %d, I/O, size=0x%x, ", bar_nr, bar_size);
+ DEBUGF("PCI Autoconfig: BAR %d, I/O, size=0x%llx, ", bar_nr, (u64)bar_size);
} else {
if ( (bar_response & PCI_BASE_ADDRESS_MEM_TYPE_MASK) ==
- PCI_BASE_ADDRESS_MEM_TYPE_64)
- found_mem64 = 1;
+ PCI_BASE_ADDRESS_MEM_TYPE_64) {
+ u32 bar_response_upper;
+ u64 bar64;
+ pci_hose_write_config_dword(hose, dev, bar+4, 0xffffffff);
+ pci_hose_read_config_dword(hose, dev, bar+4, &bar_response_upper);
+
+ bar64 = ((u64)bar_response_upper << 32) | bar_response;
- bar_size = ~(bar_response & PCI_BASE_ADDRESS_MEM_MASK) + 1;
+ bar_size = ~(bar64 & PCI_BASE_ADDRESS_MEM_MASK) + 1;
+ found_mem64 = 1;
+ } else {
+ bar_size = (u32)(~(bar_response & PCI_BASE_ADDRESS_MEM_MASK) + 1);
+ }
if (prefetch && (bar_response & PCI_BASE_ADDRESS_MEM_PREFETCH))
bar_res = prefetch;
else
bar_res = mem;
- DEBUGF("PCI Autoconfig: BAR %d, Mem, size=0x%x, ", bar_nr, bar_size);
+ DEBUGF("PCI Autoconfig: BAR %d, Mem, size=0x%llx, ", bar_nr, (u64)bar_size);
}
if (pciauto_region_allocate(bar_res, bar_size, &bar_value) == 0) {
/* Write it out and update our limit */
- pci_hose_write_config_dword(hose, dev, bar, bar_value);
+ pci_hose_write_config_dword(hose, dev, bar, (u32)bar_value);
- /*
- * If we are a 64-bit decoder then increment to the
- * upper 32 bits of the bar and force it to locate
- * in the lower 4GB of memory.
- */
if (found_mem64) {
bar += 4;
+#ifdef CONFIG_SYS_PCI_64BIT
+ pci_hose_write_config_dword(hose, dev, bar, (u32)(bar_value>>32));
+#else
+ /*
+ * If we are a 64-bit decoder then increment to the
+ * upper 32 bits of the bar and force it to locate
+ * in the lower 4GB of memory.
+ */
pci_hose_write_config_dword(hose, dev, bar, 0x00000000);
+#endif
}
cmdstat |= (bar_response & PCI_BASE_ADDRESS_SPACE) ?
@@ -289,35 +304,36 @@ void pciauto_config_init(struct pci_controller *hose)
if (hose->pci_mem) {
pciauto_region_init(hose->pci_mem);
- DEBUGF("PCI Autoconfig: Bus Memory region: [%lx-%lx],\n"
- "\t\tPhysical Memory [%x-%x]\n",
- hose->pci_mem->bus_start,
- hose->pci_mem->bus_start + hose->pci_mem->size - 1,
- hose->pci_mem->phys_start,
- hose->pci_mem->phys_start + hose->pci_mem->size - 1);
+ DEBUGF("PCI Autoconfig: Bus Memory region: [0x%llx-0x%llx],\n"
+ "\t\tPhysical Memory [%llx-%llxx]\n",
+ (u64)hose->pci_mem->bus_start,
+ (u64)(hose->pci_mem->bus_start + hose->pci_mem->size - 1),
+ (u64)hose->pci_mem->phys_start,
+ (u64)(hose->pci_mem->phys_start + hose->pci_mem->size - 1));
}
if (hose->pci_prefetch) {
pciauto_region_init(hose->pci_prefetch);
- DEBUGF("PCI Autoconfig: Bus Prefetchable Mem: [%lx-%lx],\n"
- "\t\tPhysical Memory [%x-%x]\n",
- hose->pci_prefetch->bus_start,
- hose->pci_prefetch->bus_start + hose->pci_prefetch->size - 1,
- hose->pci_prefetch->phys_start,
- hose->pci_prefetch->phys_start +
- hose->pci_prefetch->size - 1);
+ DEBUGF("PCI Autoconfig: Bus Prefetchable Mem: [0x%llx-0x%llx],\n"
+ "\t\tPhysical Memory [%llx-%llx]\n",
+ (u64)hose->pci_prefetch->bus_start,
+ (u64)(hose->pci_prefetch->bus_start +
+ hose->pci_prefetch->size - 1),
+ (u64)hose->pci_prefetch->phys_start,
+ (u64)(hose->pci_prefetch->phys_start +
+ hose->pci_prefetch->size - 1));
}
if (hose->pci_io) {
pciauto_region_init(hose->pci_io);
- DEBUGF("PCI Autoconfig: Bus I/O region: [%lx-%lx],\n"
- "\t\tPhysical Memory: [%x-%x]\n",
- hose->pci_io->bus_start,
- hose->pci_io->bus_start + hose->pci_io->size - 1,
- hose->pci_io->phys_start,
- hose->pci_io->phys_start + hose->pci_io->size - 1);
+ DEBUGF("PCI Autoconfig: Bus I/O region: [0x%llx-0x%llx],\n"
+ "\t\tPhysical Memory: [%llx-%llx]\n",
+ (u64)hose->pci_io->bus_start,
+ (u64)(hose->pci_io->bus_start + hose->pci_io->size - 1),
+ (u64)hose->pci_io->phys_start,
+ (u64)(hose->pci_io->phys_start + hose->pci_io->size - 1));
}
}
generated by cgit v1.1 at 2024-08-27 10:52:08 +0000