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Diffstat (limited to 'cpu/mpc85xx/cpu.c')
-rw-r--r--cpu/mpc85xx/cpu.c102
1 files changed, 57 insertions, 45 deletions
diff --git a/cpu/mpc85xx/cpu.c b/cpu/mpc85xx/cpu.c
index ac8b018..dcd8817 100644
--- a/cpu/mpc85xx/cpu.c
+++ b/cpu/mpc85xx/cpu.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2004,2007 Freescale Semiconductor, Inc.
+ * Copyright 2004,2007,2008 Freescale Semiconductor, Inc.
* (C) Copyright 2002, 2003 Motorola Inc.
* Xianghua Xiao (X.Xiao@motorola.com)
*
@@ -30,6 +30,41 @@
#include <command.h>
#include <asm/cache.h>
+DECLARE_GLOBAL_DATA_PTR;
+
+struct cpu_type {
+ char name[15];
+ u32 soc_ver;
+};
+
+#define CPU_TYPE_ENTRY(x) {#x, SVR_##x}
+
+struct cpu_type cpu_type_list [] = {
+ CPU_TYPE_ENTRY(8533),
+ CPU_TYPE_ENTRY(8533_E),
+ CPU_TYPE_ENTRY(8540),
+ CPU_TYPE_ENTRY(8541),
+ CPU_TYPE_ENTRY(8541_E),
+ CPU_TYPE_ENTRY(8543),
+ CPU_TYPE_ENTRY(8543_E),
+ CPU_TYPE_ENTRY(8544),
+ CPU_TYPE_ENTRY(8544_E),
+ CPU_TYPE_ENTRY(8545),
+ CPU_TYPE_ENTRY(8545_E),
+ CPU_TYPE_ENTRY(8547_E),
+ CPU_TYPE_ENTRY(8548),
+ CPU_TYPE_ENTRY(8548_E),
+ CPU_TYPE_ENTRY(8555),
+ CPU_TYPE_ENTRY(8555_E),
+ CPU_TYPE_ENTRY(8560),
+ CPU_TYPE_ENTRY(8567),
+ CPU_TYPE_ENTRY(8567_E),
+ CPU_TYPE_ENTRY(8568),
+ CPU_TYPE_ENTRY(8568_E),
+ CPU_TYPE_ENTRY(8572),
+ CPU_TYPE_ENTRY(8572_E),
+};
+
int checkcpu (void)
{
sys_info_t sysinfo;
@@ -39,47 +74,26 @@ int checkcpu (void)
uint fam;
uint ver;
uint major, minor;
+ int i;
u32 ddr_ratio;
volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
svr = get_svr();
- ver = SVR_VER(svr);
+ ver = SVR_SOC_VER(svr);
major = SVR_MAJ(svr);
minor = SVR_MIN(svr);
puts("CPU: ");
- switch (ver) {
- case SVR_8540:
- puts("8540");
- break;
- case SVR_8541:
- puts("8541");
- break;
- case SVR_8555:
- puts("8555");
- break;
- case SVR_8560:
- puts("8560");
- break;
- case SVR_8548:
- puts("8548");
- break;
- case SVR_8548_E:
- puts("8548_E");
- break;
- case SVR_8544:
- puts("8544");
- break;
- case SVR_8544_E:
- puts("8544_E");
- break;
- case SVR_8568_E:
- puts("8568_E");
- break;
- default:
+
+ for (i = 0; i < ARRAY_SIZE(cpu_type_list); i++)
+ if (cpu_type_list[i].soc_ver == ver) {
+ puts(cpu_type_list[i].name);
+ break;
+ }
+
+ if (i == ARRAY_SIZE(cpu_type_list))
puts("Unknown");
- break;
- }
+
printf(", Version: %d.%d, (0x%08x)\n", major, minor, svr);
pvr = get_pvr();
@@ -108,13 +122,16 @@ int checkcpu (void)
ddr_ratio = ((gur->porpllsr) & 0x00003e00) >> 9;
switch (ddr_ratio) {
case 0x0:
- printf(" DDR:%4lu MHz, ", sysinfo.freqDDRBus / 2000000);
+ printf(" DDR:%4lu MHz (%lu MT/s data rate), ",
+ sysinfo.freqDDRBus / 2000000, sysinfo.freqDDRBus / 1000000);
break;
case 0x7:
- printf(" DDR:%4lu MHz (Synchronous), ", sysinfo.freqDDRBus / 2000000);
+ printf(" DDR:%4lu MHz (%lu MT/s data rate) (Synchronous), ",
+ sysinfo.freqDDRBus / 2000000, sysinfo.freqDDRBus / 1000000);
break;
default:
- printf(" DDR:%4lu MHz (Asynchronous), ", sysinfo.freqDDRBus / 2000000);
+ printf(" DDR:%4lu MHz (%lu MT/s data rate) (Asynchronous), ",
+ sysinfo.freqDDRBus / 2000000, sysinfo.freqDDRBus / 1000000);
break;
}
@@ -142,10 +159,9 @@ int checkcpu (void)
printf("LBC: unknown (lcrr: 0x%08x)\n", lcrr);
}
- if (ver == SVR_8560) {
- printf("CPM: %lu Mhz\n",
- sysinfo.freqSystemBus / 1000000);
- }
+#ifdef CONFIG_CPM2
+ printf("CPM: %lu Mhz\n", sysinfo.freqSystemBus / 1000000);
+#endif
puts("L1: D-cache 32 kB enabled\n I-cache 32 kB enabled\n");
@@ -190,11 +206,7 @@ int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
*/
unsigned long get_tbclk (void)
{
-
- sys_info_t sys_info;
-
- get_sys_info(&sys_info);
- return ((sys_info.freqSystemBus + 7L) / 8L);
+ return (gd->bus_clk + 4UL)/8UL;
}