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-rw-r--r--src/arch/ppc/boot/linuxbios_table.c219
-rw-r--r--src/arch/ppc/boot/tables.c5
-rw-r--r--src/arch/ppc/lib/cpu.c44
-rw-r--r--src/arch/ppc/lib/cpuid.c82
4 files changed, 231 insertions, 119 deletions
diff --git a/src/arch/ppc/boot/linuxbios_table.c b/src/arch/ppc/boot/linuxbios_table.c
index 2b37e877e5..0866639f1e 100644
--- a/src/arch/ppc/boot/linuxbios_table.c
+++ b/src/arch/ppc/boot/linuxbios_table.c
@@ -1,11 +1,11 @@
#include <console/console.h>
-#include <mem.h>
#include <ip_checksum.h>
#include <boot/linuxbios_tables.h>
#include "linuxbios_table.h"
#include <string.h>
#include <version.h>
-
+#include <device/device.h>
+#include <stdlib.h>
struct lb_header *lb_table_init(unsigned long addr)
{
@@ -128,11 +128,8 @@ void lb_strings(struct lb_header *header)
}
-/* Some version of gcc have problems with 64 bit types so
- * take an unsigned long instead of a uint64_t for now.
- */
void lb_memory_range(struct lb_memory *mem,
- uint32_t type, unsigned long start, unsigned long size)
+ uint32_t type, uint64_t start, uint64_t size)
{
int entries;
entries = (mem->size - sizeof(*mem))/sizeof(mem->map[0]);
@@ -142,19 +139,6 @@ void lb_memory_range(struct lb_memory *mem,
mem->size += sizeof(mem->map[0]);
}
-static void lb_memory_rangek(struct lb_memory *mem,
- uint32_t type, unsigned long startk, unsigned long endk)
-{
- int entries;
- entries = (mem->size - sizeof(*mem))/sizeof(mem->map[0]);
- mem->map[entries].start = startk;
- mem->map[entries].start <<= 10;
- mem->map[entries].size = endk - startk;
- mem->map[entries].size <<= 10;
- mem->map[entries].type = type;
- mem->size += sizeof(mem->map[0]);
-}
-
static void lb_reserve_table_memory(struct lb_header *head)
{
struct lb_record *last_rec;
@@ -187,7 +171,6 @@ static void lb_reserve_table_memory(struct lb_header *head)
}
}
-
unsigned long lb_table_fini(struct lb_header *head)
{
struct lb_record *rec, *first_rec;
@@ -205,6 +188,112 @@ unsigned long lb_table_fini(struct lb_header *head)
return (unsigned long)rec;
}
+static void lb_cleanup_memory_ranges(struct lb_memory *mem)
+{
+ int entries;
+ int i, j;
+ entries = (mem->size - sizeof(*mem))/sizeof(mem->map[0]);
+
+ /* Sort the lb memory ranges */
+ for(i = 0; i < entries; i++) {
+ for(j = i; j < entries; j++) {
+ if (mem->map[j].start < mem->map[i].start) {
+ struct lb_memory_range tmp;
+ tmp = mem->map[i];
+ mem->map[i] = mem->map[j];
+ mem->map[j] = tmp;
+ }
+ }
+ }
+
+ /* Merge adjacent entries */
+ for(i = 0; (i + 1) < entries; i++) {
+ uint64_t start, end, nstart, nend;
+ if (mem->map[i].type != mem->map[i + 1].type) {
+ continue;
+ }
+ start = mem->map[i].start;
+ end = start + mem->map[i].size;
+ nstart = mem->map[i + 1].start;
+ nend = nstart + mem->map[i + 1].size;
+ if ((start <= nstart) && (end > nstart)) {
+ if (start > nstart) {
+ start = nstart;
+ }
+ if (end < nend) {
+ end = nend;
+ }
+ /* Record the new region size */
+ mem->map[i].start = start;
+ mem->map[i].size = end - start;
+
+ /* Delete the entry I have merged with */
+ memmove(&mem->map[i + 1], &mem->map[i + 2],
+ ((entries - i - 2) * sizeof(mem->map[0])));
+ mem->size -= sizeof(mem->map[0]);
+ entries -= 1;
+ /* See if I can merge with the next entry as well */
+ i -= 1;
+ }
+ }
+}
+
+static void lb_remove_memory_range(struct lb_memory *mem,
+ uint64_t start, uint64_t size)
+{
+ uint64_t end;
+ int entries;
+ int i;
+
+ end = start + size;
+ entries = (mem->size - sizeof(*mem))/sizeof(mem->map[0]);
+
+ /* Remove a reserved area from the memory map */
+ for(i = 0; i < entries; i++) {
+ uint64_t map_start = mem->map[i].start;
+ uint64_t map_end = map_start + mem->map[i].size;
+ if ((start <= map_start) && (end >= map_end)) {
+ /* Remove the completely covered range */
+ memmove(&mem->map[i], &mem->map[i + 1],
+ ((entries - i - 1) * sizeof(mem->map[0])));
+ mem->size -= sizeof(mem->map[0]);
+ entries -= 1;
+ /* Since the index will disappear revisit what will appear here */
+ i -= 1;
+ }
+ else if ((start > map_start) && (end < map_end)) {
+ /* Split the memory range */
+ memmove(&mem->map[i + 1], &mem->map[i],
+ ((entries - i) * sizeof(mem->map[0])));
+ mem->size += sizeof(mem->map[0]);
+ entries += 1;
+ /* Update the first map entry */
+ mem->map[i].size = start - map_start;
+ /* Update the second map entry */
+ mem->map[i + 1].start = end;
+ mem->map[i + 1].size = map_end - end;
+ /* Don't bother with this map entry again */
+ i += 1;
+ }
+ else if ((start <= map_start) && (end > map_start)) {
+ /* Shrink the start of the memory range */
+ mem->map[i].start = end;
+ mem->map[i].size = map_end - end;
+ }
+ else if ((start < map_end) && (start > map_start)) {
+ /* Shrink the end of the memory range */
+ mem->map[i].size = start - map_start;
+ }
+ }
+}
+
+static void lb_add_memory_range(struct lb_memory *mem,
+ uint32_t type, uint64_t start, uint64_t size)
+{
+ lb_remove_memory_range(mem, start, size);
+ lb_memory_range(mem, type, start, size);
+ lb_cleanup_memory_ranges(mem);
+}
/* Routines to extract part so the linuxBIOS table or
* information from the linuxBIOS table after we have written it.
@@ -217,58 +306,68 @@ struct lb_memory *get_lb_mem(void)
return mem_ranges;
}
+static struct lb_memory *build_lb_mem(struct lb_header *head)
+{
+ struct lb_memory *mem;
+ struct device *dev;
+
+ /* Record where the lb memory ranges will live */
+ mem = lb_memory(head);
+ mem_ranges = mem;
+
+ /* Build the raw table of memory */
+ for(dev = all_devices; dev; dev = dev->next) {
+ struct resource *res, *last;
+ last = &dev->resource[dev->resources];
+ for(res = &dev->resource[0]; res < last; res++) {
+ if (!(res->flags & IORESOURCE_MEM) ||
+ !(res->flags & IORESOURCE_CACHEABLE)) {
+ continue;
+ }
+ lb_memory_range(mem, LB_MEM_RAM, res->base, res->size);
+ }
+ }
+ lb_cleanup_memory_ranges(mem);
+ return mem;
+}
+
unsigned long write_linuxbios_table(
- struct mem_range *ram,
unsigned long low_table_start, unsigned long low_table_end,
unsigned long rom_table_startk, unsigned long rom_table_endk)
{
unsigned long table_size;
- struct mem_range *ramp;
struct lb_header *head;
struct lb_memory *mem;
-#if HAVE_OPTION_TABLE == 1
- struct lb_record *rec_dest, *rec_src;
-#endif
head = lb_table_init(low_table_end);
low_table_end = (unsigned long)head;
-#if HAVE_OPTION_TABLE == 1
- /* Write the option config table... */
- rec_dest = lb_new_record(head);
- rec_src = (struct lb_record *)&option_table;
- memcpy(rec_dest, rec_src, rec_src->size);
-#endif
- mem = lb_memory(head);
- mem_ranges = mem;
- /* I assume there is always ram at address 0 */
- /* Reserve our tables in low memory */
+ if (HAVE_OPTION_TABLE == 1) {
+ struct lb_record *rec_dest, *rec_src;
+ /* Write the option config table... */
+ rec_dest = lb_new_record(head);
+ rec_src = (struct lb_record *)&option_table;
+ memcpy(rec_dest, rec_src, rec_src->size);
+ }
+ /* Record where RAM is located */
+ mem = build_lb_mem(head);
+
+ /* Find the current mptable size */
table_size = (low_table_end - low_table_start);
- lb_memory_range(mem, LB_MEM_TABLE, 0, table_size);
- lb_memory_range(mem, LB_MEM_RAM, table_size, (ram[0].sizek << 10) - table_size);
- /* Reserving pci memory mapped space will keep the kernel from booting seeing
- * any pci resources.
+
+ /* Record the mptable and the the lb_table (This will be adjusted later) */
+ lb_add_memory_range(mem, LB_MEM_TABLE,
+ low_table_start, table_size);
+
+ /* Record the pirq table */
+ lb_add_memory_range(mem, LB_MEM_TABLE,
+ rom_table_startk << 10, (rom_table_endk - rom_table_startk) << 10);
+
+ /* Note:
+ * I assume that there is always memory at immediately after
+ * the low_table_end. This means that after I setup the linuxbios table.
+ * I can trivially fixup the reserved memory ranges to hold the correct
+ * size of the linuxbios table.
*/
- for(ramp = &ram[1]; ramp->sizek; ramp++) {
- unsigned long startk, endk;
- startk = ramp->basek;
- endk = startk + ramp->sizek;
- if ((startk < rom_table_startk) && (endk > rom_table_startk)) {
- lb_memory_rangek(mem, LB_MEM_RAM, startk, rom_table_startk);
- startk = rom_table_startk;
- }
- if ((startk == rom_table_startk) && (endk > startk)) {
- unsigned long tend;
- tend = rom_table_endk;
- if (tend > endk) {
- tend = endk;
- }
- lb_memory_rangek(mem, LB_MEM_TABLE, rom_table_startk, tend);
- startk = tend;
- }
- if (endk > startk) {
- lb_memory_rangek(mem, LB_MEM_RAM, startk, endk);
- }
- }
/* Record our motheboard */
lb_mainboard(head);
diff --git a/src/arch/ppc/boot/tables.c b/src/arch/ppc/boot/tables.c
index 468fbcabe8..7d8bd318ba 100644
--- a/src/arch/ppc/boot/tables.c
+++ b/src/arch/ppc/boot/tables.c
@@ -1,12 +1,11 @@
#include <console/console.h>
-#include <mem.h>
#include <cpu/cpu.h>
#include <boot/tables.h>
#include <boot/linuxbios_tables.h>
#include "linuxbios_table.h"
struct lb_memory *
-write_tables(struct mem_range *mem)
+write_tables(void)
{
unsigned long low_table_start, low_table_end;
unsigned long rom_table_start, rom_table_end;
@@ -20,7 +19,7 @@ write_tables(struct mem_range *mem)
low_table_end = 16;
/* The linuxbios table must be in 0-4K or 960K-1M */
- write_linuxbios_table(mem,
+ write_linuxbios_table(
low_table_start, low_table_end,
rom_table_start >> 10, rom_table_end >> 10);
diff --git a/src/arch/ppc/lib/cpu.c b/src/arch/ppc/lib/cpu.c
index 7a8e46f5cd..efb914b059 100644
--- a/src/arch/ppc/lib/cpu.c
+++ b/src/arch/ppc/lib/cpu.c
@@ -1,35 +1,49 @@
#include <console/console.h>
-#include <mem.h>
#include <arch/io.h>
#include <string.h>
#include <cpu/cpu.h>
#include <cpu/ppc/cpuid.h>
#include <smp/start_stop.h>
+#include "ppc.h"
+#include "ppcreg.h"
-static void cache_on(struct mem_range *mem)
-{
-}
-
-static void interrupts_on()
-{
-}
+#error "FIXME what should call cpu_initialize?"
-unsigned long cpu_initialize(struct mem_range *mem)
+void cpu_initialize(void)
{
/* Because we busy wait at the printk spinlock.
* It is important to keep the number of printed messages
* from secondary cpus to a minimum, when debugging is
* disabled.
*/
- unsigned long processor_id = this_processors_id();
- printk_notice("Initializing CPU #%d\n", processor_id);
+ struct device *cpu;
+ struct cpu_info *info;
+ info = cpu_info();
+
+ printk_notice("Initializing CPU #%d\n", info->index);
+
+ cpu = info->cpu;
+ if (!cpu) {
+ die("CPU: missing cpu device structure");
+ }
- /* Turn on caching if we haven't already */
- cache_on(mem);
+ /* Find what type of cpu we are dealing with */
+ cpu->vendor 0; /* PPC cpus do not have a vendor field */
+ cpu->device = ppc_getpvr();
+ display_cpuid(cpu);
- display_cpuid();
+#if 0
+ /* Lookup the cpu's operations */
+ set_cpu_ops(cpu);
- interrupts_on();
+ /* Initialize the cpu */
+ if (cpu->ops && cpu->ops->init) {
+ cpu->enabled = 1;
+ cpu->initialized = 1;
+ cpu->ops->init();
+ }
+#endif
+ /* Turn on caching if we haven't already */
printk_info("CPU #%d Initialized\n", processor_id);
return processor_id;
diff --git a/src/arch/ppc/lib/cpuid.c b/src/arch/ppc/lib/cpuid.c
index 09a7865b1b..0ff12774bd 100644
--- a/src/arch/ppc/lib/cpuid.c
+++ b/src/arch/ppc/lib/cpuid.c
@@ -5,62 +5,62 @@
#include "ppcreg.h"
#include <console/console.h>
-void display_cpuid(void)
+void display_cpuid(struct device *cpu)
{
- unsigned type = ppc_getpvr() >> 16;
- unsigned version = ppc_getpvr() & 0xffff;
- const char *cpu_string = 0;
- switch(type) {
+ unsigned type = cpu->device >> 16;
+ unsigned version = cpu->device & 0xffff;
+ const char *cpu_string = 0;
+ switch(type) {
case 0x0001:
- cpu_string = "601";
- break;
+ cpu_string = "601";
+ break;
case 0x0003:
- cpu_string = "603";
- break;
+ cpu_string = "603";
+ break;
case 0x0004:
- cpu_string = "604";
- break;
+ cpu_string = "604";
+ break;
case 0x0006:
- cpu_string = "603e";
- break;
+ cpu_string = "603e";
+ break;
case 0x0007:
- cpu_string = "603ev";
- break;
+ cpu_string = "603ev";
+ break;
case 0x0008:
- cpu_string = "750";
- break;
+ cpu_string = "750";
+ break;
case 0x0009:
- cpu_string = "604e";
- break;
+ cpu_string = "604e";
+ break;
case 0x000a:
- cpu_string = "604ev5 (MachV)";
- break;
+ cpu_string = "604ev5 (MachV)";
+ break;
case 0x000c:
- cpu_string = "7400";
- break;
+ cpu_string = "7400";
+ break;
case 0x0032:
- cpu_string = "821";
- break;
+ cpu_string = "821";
+ break;
case 0x0050:
- cpu_string = "860";
- break;
+ cpu_string = "860";
+ break;
case 0x4011:
- cpu_string = "405GP";
- break;
+ cpu_string = "405GP";
+ break;
case 0x5091:
- cpu_string = "405GPr";
- break;
+ cpu_string = "405GPr";
+ break;
case 0x5121:
- cpu_string = "405EP";
- break;
+ cpu_string = "405EP";
+ break;
case 0x800c:
- cpu_string = "7410";
- break;
- }
- if (cpu_string)
- printk_info("PowerPC %s", cpu_string);
- else
- printk_info("PowerPC unknown (0x%x)", type);
- printk_info(" CPU, version %d.%d\n", version >> 8, version & 0xff);
+ cpu_string = "7410";
+ break;
+ }
+ if (cpu_string)
+ printk_info("PowerPC %s", cpu_string);
+ else
+ printk_info("PowerPC unknown (0x%x)", type);
+ printk_info(" CPU, version %d.%d\n", version >> 8, version & 0xff);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 11:19:00 +0000