Removed clearing of L2-as-SRAM

Removed clearing of L2 cache as SRAM as it is not necessary without ECC. This also speeds up the booting process.

Signed-off-by Fabian Cenedese <[email protected]>

Cc Kumar Gala <[email protected]>

---
arch/powerpc/cpu/mpc85xx/cpu_init_nand.c | 7 -------

1 files changed, 0 insertions(+), 7 deletions(-)

arch/powerpc/cpu/mpc85xx/cpu_init_nand.c +0 -7

index 8fb27ab..1c42a0b 100644
@@ -42,8 +42,6 @@ void cpu_init_f(void)
 
 #if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L2_ADDR)
       ccsr_l2cache_t *l2cache = (void *)CONFIG_SYS_MPC85xx_L2_ADDR;
-       char *l2srbar;
-       int i;
 
       out_be32(&l2cache->l2srbar0, CONFIG_SYS_INIT_L2_ADDR);
 

@@ -54,10 +52,5 @@ void cpu_init_f(void)
       /* set L2E=1 & L2SRAM=001 */
       out_be32(&l2cache->l2ctl,
               (MPC85xx_L2CTL_L2E | MPC85xx_L2CTL_L2SRAM_ENTIRE));
-
-       /* Initialize L2 SRAM to zero */
-       l2srbar = (char *)CONFIG_SYS_INIT_L2_ADDR;
-       for (i = 0; i < CONFIG_SYS_L2_SIZE; i++)
-               l2srbar[i] = 0;
 #endif
 }

Signature · 1 line

1.7.3.1.msysgit.0

Quoted 35 lines · Fabian Cenedese

Removed clearing of L2 cache as SRAM as it is not necessary without ECC. This also speeds up the booting process.

Signed-off-by Fabian Cenedese <[email protected]>

Cc Kumar Gala <[email protected]>

---
arch/powerpc/cpu/mpc85xx/cpu_init_nand.c | 7 -------

1 files changed, 0 insertions(+), 7 deletions(-)

arch/powerpc/cpu/mpc85xx/cpu_init_nand.c +0 -7

index 8fb27ab..1c42a0b 100644
@@ -42,8 +42,6 @@ void cpu_init_f(void)
 
 #if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L2_ADDR)
      ccsr_l2cache_t *l2cache = (void *)CONFIG_SYS_MPC85xx_L2_ADDR;
-       char *l2srbar;
-       int i;
 
      out_be32(&l2cache->l2srbar0, CONFIG_SYS_INIT_L2_ADDR);
 

@@ -54,10 +52,5 @@ void cpu_init_f(void)
      /* set L2E=1 & L2SRAM=001 */
      out_be32(&l2cache->l2ctl,
              (MPC85xx_L2CTL_L2E | MPC85xx_L2CTL_L2SRAM_ENTIRE));
-
-       /* Initialize L2 SRAM to zero */
-       l2srbar = (char *)CONFIG_SYS_INIT_L2_ADDR;
-       for (i = 0; i < CONFIG_SYS_L2_SIZE; i++)
-               l2srbar[i] = 0;
 #endif
 }

Signature · 1 line

1.7.3.1.msysgit.0

There haven't been any comments about this yet. Is this ok?

bye Fabi

Removed clearing of L2 cache as SRAM as it is not necessary without ECC. This also speeds up the booting process.

Signed-off-by Fabian Cenedese <[email protected]>

Cc Kumar Gala <[email protected]>

---
arch/powerpc/cpu/mpc85xx/cpu_init_nand.c | 7 -------

1 files changed, 0 insertions(+), 7 deletions(-)