# HG changeset patch
# User Jerone Young <[EMAIL PROTECTED]>
# Date 1205956788 18000
# Branch merge
# Node ID 51914bbfa0257601c5074a632da11463c26e8f06
# Parent ce00438069e7a2fe5be55270b99583e8577ccd50
Add ability to specify ram on command line for bamboo board model
This patch adds the ability to now specify ram sizes on the command line.
Due to the nature of the code there are restictions on exactly how
much ram and the multiple that the size must match.
Signed-off-by: Jerone Young <[EMAIL PROTECTED]>
diff --git a/qemu/hw/ppc440_bamboo.c b/qemu/hw/ppc440_bamboo.c
--- a/qemu/hw/ppc440_bamboo.c
+++ b/qemu/hw/ppc440_bamboo.c
@@ -15,6 +15,8 @@
#define BINARY_DEVICE_TREE_FILE "bamboo.dtb"
+#define bytes_to_mb(a) (a>>20)
+
void bamboo_init(ram_addr_t ram_size, int vga_ram_size,
const char *boot_device, DisplayState *ds,
const char *kernel_filename,
@@ -23,7 +25,7 @@ void bamboo_init(ram_addr_t ram_size, in
const char *cpu_model)
{
char *buf=NULL;
- target_phys_addr_t ram_bases[2], ram_sizes[2];
+ target_phys_addr_t ram_bases[4], ram_sizes[4];
qemu_irq *pic;
CPUState *env;
target_ulong ep=0;
@@ -35,31 +37,36 @@ void bamboo_init(ram_addr_t ram_size, in
target_ulong dt_base=0;
void *fdt;
int ret;
+ int ram_stick_sizes[] = {256<<20, 128<<20, 64<<20,
+ 32<<20, 16<<20, 8<<20 }; /* in bytes */
+ ram_addr_t tmp_ram_size;
+ int i=0, k=0;
uint32_t cpu_freq;
uint32_t timebase_freq;
printf("%s: START\n", __func__);
/* Setup Memory */
- if (ram_size) {
- printf("Ram size specified on command line is %i bytes\n",
- (int)ram_size);
- printf("WARNING: RAM is hard coded to 144MB\n");
- }
- else {
- printf("Using defualt ram size of %iMB\n",
- ((int)ram_size/1024)/1024);
+ printf("Ram size passed is: %i MB\n",
+ bytes_to_mb((int)ram_size));
+
+ tmp_ram_size = ram_size;
+
+ for (i=0; i < (sizeof(ram_sizes)/sizeof(ram_sizes[0])); i++) {
+ for (k=0; k <
(sizeof(ram_stick_sizes)/sizeof(ram_stick_sizes[0])); k++) {
+ if ((tmp_ram_size/ram_stick_sizes[k]) > 0) {
+ ram_sizes[i] = ram_stick_sizes[k];
+ tmp_ram_size -= ram_stick_sizes[k];
+ break;
+ }
+ }
}
- /* Each bank can only have memory in configurations of
- * 16MB, 32MB, 64MB, 128MB, or 256MB
- */
- ram_bases[0] = 0x0;
- ram_sizes[0] = 0x08000000;
- ram_bases[1] = 0x0;
- ram_sizes[1] = 0x01000000;
-
- printf("Ram size of domain is %d bytes\n", (int)ram_size);
+ if (tmp_ram_size) {
+ printf("WARNING: %i MB left over memory is ram\n",
+ bytes_to_mb((int)tmp_ram_size));
+ ram_size -= tmp_ram_size;
+ }
/* Setup CPU */
env = cpu_ppc_init("440");
@@ -76,7 +83,7 @@ void bamboo_init(ram_addr_t ram_size, in
/* Register mem */
cpu_register_physical_memory(0, ram_size, 0);
if (kvm_enabled())
- kvm_cpu_register_physical_memory(0, ram_size, 0);
+ kvm_cpu_register_physical_memory(0, ram_size, 0);
/* load kernel with uboot loader */
printf("%s: load kernel\n", __func__);
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