diff options
Diffstat (limited to 'hw/ppc/sam460ex.c')
| -rw-r--r-- | hw/ppc/sam460ex.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/hw/ppc/sam460ex.c b/hw/ppc/sam460ex.c index bdc53d2603..33ea51816c 100644 --- a/hw/ppc/sam460ex.c +++ b/hw/ppc/sam460ex.c @@ -37,6 +37,8 @@ #include "hw/i2c/smbus.h" #include "hw/usb/hcd-ehci.h" +#include <libfdt.h> + #define BINARY_DEVICE_TREE_FILE "canyonlands.dtb" #define UBOOT_FILENAME "u-boot-sam460-20100605.bin" /* to extract the official U-Boot bin from the updater: */ @@ -67,6 +69,10 @@ */ #define CPU_FREQ 1150000000 +#define PLB_FREQ 230000000 +#define OPB_FREQ 115000000 +#define EBC_FREQ 115000000 +#define UART_FREQ 11059200 #define SDRAM_NR_BANKS 4 /* FIXME: See u-boot.git 8ac41e, also fix in ppc440_uc.c */ @@ -255,6 +261,7 @@ static int sam460ex_load_device_tree(hwaddr addr, void *fdt; uint32_t tb_freq = CPU_FREQ; uint32_t clock_freq = CPU_FREQ; + int offset; filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, BINARY_DEVICE_TREE_FILE); if (!filename) { @@ -308,6 +315,27 @@ static int sam460ex_load_device_tree(hwaddr addr, qemu_fdt_setprop_cell(fdt, "/cpus/cpu@0", "timebase-frequency", tb_freq); + /* Remove cpm node if it exists (it is not emulated) */ + offset = fdt_path_offset(fdt, "/cpm"); + if (offset >= 0) { + fdt_nop_node(fdt, offset); + } + + /* set serial port clocks */ + offset = fdt_node_offset_by_compatible(fdt, -1, "ns16550"); + while (offset >= 0) { + fdt_setprop_cell(fdt, offset, "clock-frequency", UART_FREQ); + offset = fdt_node_offset_by_compatible(fdt, offset, "ns16550"); + } + + /* some more clocks */ + qemu_fdt_setprop_cell(fdt, "/plb", "clock-frequency", + PLB_FREQ); + qemu_fdt_setprop_cell(fdt, "/plb/opb", "clock-frequency", + OPB_FREQ); + qemu_fdt_setprop_cell(fdt, "/plb/opb/ebc", "clock-frequency", + EBC_FREQ); + rom_add_blob_fixed(BINARY_DEVICE_TREE_FILE, fdt, fdt_size, addr); g_free(fdt); ret = fdt_size; |