On Jun 3, 2008, at 7:35 PM, Andy Fleming wrote:
On Thu, May 29, 2008 at 11:22 AM, Kumar Gala <galak@kernel.crashing.org
wrote: Signed-off-by: Kumar Gala galak@kernel.crashing.org
cpu/mpc85xx/fdt.c | 128 +++++++++++++++++++++++++++++++++++++++++++ ++++++++++ 1 files changed, 128 insertions(+), 0 deletions(-)
diff --git a/cpu/mpc85xx/fdt.c b/cpu/mpc85xx/fdt.c index bb87740..92952e6 100644 --- a/cpu/mpc85xx/fdt.c +++ b/cpu/mpc85xx/fdt.c @@ -26,6 +26,7 @@ #include <common.h> #include <libfdt.h> #include <fdt_support.h> +#include <asm/processor.h>
extern void ft_qe_setup(void *blob); #ifdef CONFIG_MP @@ -77,6 +78,131 @@ void ft_fixup_cpu(void *blob, u64 memory_limit) } #endif
+#ifdef CONFIG_L2_CACHE +/* return size in kilobytes */ +static inline u32 l2cache_size(void) +{
volatile ccsr_l2cache_t *l2cache = (void*)CFG_MPC85xx_L2_ADDR;
volatile u32 l2siz_field = (l2cache->l2ctl >> 28) & 0x3;u32 ver = SVR_SOC_VER(get_svr());switch (l2siz_field) {case 0x0:break;case 0x1:if (ver == SVR_8540 || ver == SVR_8560 ||ver == SVR_8541 || ver == SVR_8541_E ||ver == SVR_8555 || ver == SVR_8555_E)return 128;elsereturn 256;break;case 0x2:if (ver == SVR_8540 || ver == SVR_8560 ||ver == SVR_8541 || ver == SVR_8541_E ||ver == SVR_8555 || ver == SVR_8555_E)return 256;elsereturn 512;break;case 0x3:return 1024;break;}return 0;+}
How about we create a feature in the new cpu_type field you created, and use that to flag it. :)
Seems overkill for such a small difference and one that is just for the "e500v1" generation of 85xx chips.
- k