@@ -45,3 +45,21 @@ lowlevel_init:
*/
bl s_init
pop {ip, pc}
+
+set_pl310_ctrl_reg:
+ PUSH {r4-r11, lr} @ save registers - ROM code may pollute
+ @ our registers
+ LDR r12, =0x102 @ Set PL310 control register - value in R0
+ .word 0xe1600070 @ SMC #0 - hand assembled because -march=armv5
+ @ call ROM Code API to set control register
+ POP {r4-r11, pc}
+
+.globl v7_outer_cache_enable
+v7_outer_cache_enable:
+ MOV r0, #1
+ B set_pl310_ctrl_reg
+
+.globl v7_outer_cache_disable
+v7_outer_cache_disable:
+ MOV r0, #0
+ B set_pl310_ctrl_reg
@@ -31,7 +31,6 @@ struct omap_sysinfo {
void gpmc_init(void);
void watchdog_init(void);
u32 get_device_type(void);
-void invalidate_dcache(u32);
void set_muxconf_regs(void);
void sr32(void *, u32, u32, u32);
u32 wait_on_value(u32, u32, void *, u32);
@@ -45,9 +45,6 @@
#define CONFIG_DISPLAY_CPUINFO 1
#define CONFIG_DISPLAY_BOARDINFO 1
-/* Keep L2 Cache Disabled */
-#define CONFIG_SYS_NO_L2CACHE 1
-
/* Clock Defines */
#define V_OSCK 38400000 /* Clock output from T2 */
#define V_SCLK V_OSCK
@@ -234,4 +231,9 @@
CONFIG_SYS_INIT_RAM_SIZE - \
GENERATED_GBL_DATA_SIZE)
+#ifndef CONFIG_SYS_NO_L2CACHE
+#define CONFIG_SYS_L2_PL310 1
+#define CONFIG_SYS_PL310_BASE 0x48242000
+#endif
+
#endif /* __CONFIG_H */
@@ -46,9 +46,6 @@
#define CONFIG_DISPLAY_CPUINFO 1
#define CONFIG_DISPLAY_BOARDINFO 1
-/* Keep L2 Cache Disabled */
-#define CONFIG_SYS_NO_L2CACHE 1
-
/* Clock Defines */
#define V_OSCK 38400000 /* Clock output from T2 */
#define V_SCLK V_OSCK
@@ -240,4 +237,9 @@
CONFIG_SYS_INIT_RAM_SIZE - \
GENERATED_GBL_DATA_SIZE)
+#ifndef CONFIG_SYS_NO_L2CACHE
+#define CONFIG_SYS_L2_PL310 1
+#define CONFIG_SYS_PL310_BASE 0x48242000
+#endif
+
#endif /* __CONFIG_H */
adapt omap4 to the new layered cache maintenance framework Signed-off-by: Aneesh V <aneesh@ti.com> --- arch/arm/cpu/armv7/omap4/lowlevel_init.S | 18 ++++++++++++++++++ arch/arm/include/asm/arch-omap4/sys_proto.h | 1 - include/configs/omap4_panda.h | 8 +++++--- include/configs/omap4_sdp4430.h | 8 +++++--- 4 files changed, 28 insertions(+), 7 deletions(-)