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authorRussell King <rmk+kernel@arm.linux.org.uk>2014-03-19 19:14:13 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2014-05-30 00:48:26 +0100
commit9081114837742cf7f152c9bccbeeb2a9273183f4 (patch)
tree58042e58ec8a4d03c7dc3ddc592cc1ef377f012b /arch/arm/mm
parentARM: l2c: add L2C-220 specific handlers (diff)
downloadlinux-dev-9081114837742cf7f152c9bccbeeb2a9273183f4.tar.xz
linux-dev-9081114837742cf7f152c9bccbeeb2a9273183f4.zip
ARM: l2c: convert Broadcom L2C-310 to new code
The Broadcom L2C-310 devices use ARMs L2C-310 R2P3 or later. These require no errata workarounds, and so we can directly call the l2c210 functions from their methods. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mm')
-rw-r--r--arch/arm/mm/cache-l2x0.c27
1 files changed, 11 insertions, 16 deletions
diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c
index 751c3d7a22b3..57680e03da84 100644
--- a/arch/arm/mm/cache-l2x0.c
+++ b/arch/arm/mm/cache-l2x0.c
@@ -1360,16 +1360,16 @@ static void bcm_inv_range(unsigned long start, unsigned long end)
/* normal case, no cross section between start and end */
if (likely(bcm_addr_is_sys_emi(end) || !bcm_addr_is_sys_emi(start))) {
- l2x0_inv_range(new_start, new_end);
+ l2c210_inv_range(new_start, new_end);
return;
}
/* They cross sections, so it can only be a cross from section
* 2 to section 3
*/
- l2x0_inv_range(new_start,
+ l2c210_inv_range(new_start,
bcm_l2_phys_addr(BCM_VC_EMI_SEC3_START_ADDR-1));
- l2x0_inv_range(bcm_l2_phys_addr(BCM_VC_EMI_SEC3_START_ADDR),
+ l2c210_inv_range(bcm_l2_phys_addr(BCM_VC_EMI_SEC3_START_ADDR),
new_end);
}
@@ -1382,26 +1382,21 @@ static void bcm_clean_range(unsigned long start, unsigned long end)
if (unlikely(end <= start))
return;
- if ((end - start) >= l2x0_size) {
- l2x0_clean_all();
- return;
- }
-
new_start = bcm_l2_phys_addr(start);
new_end = bcm_l2_phys_addr(end);
/* normal case, no cross section between start and end */
if (likely(bcm_addr_is_sys_emi(end) || !bcm_addr_is_sys_emi(start))) {
- l2x0_clean_range(new_start, new_end);
+ l2c210_clean_range(new_start, new_end);
return;
}
/* They cross sections, so it can only be a cross from section
* 2 to section 3
*/
- l2x0_clean_range(new_start,
+ l2c210_clean_range(new_start,
bcm_l2_phys_addr(BCM_VC_EMI_SEC3_START_ADDR-1));
- l2x0_clean_range(bcm_l2_phys_addr(BCM_VC_EMI_SEC3_START_ADDR),
+ l2c210_clean_range(bcm_l2_phys_addr(BCM_VC_EMI_SEC3_START_ADDR),
new_end);
}
@@ -1415,7 +1410,7 @@ static void bcm_flush_range(unsigned long start, unsigned long end)
return;
if ((end - start) >= l2x0_size) {
- l2x0_flush_all();
+ outer_cache.flush_all();
return;
}
@@ -1424,24 +1419,24 @@ static void bcm_flush_range(unsigned long start, unsigned long end)
/* normal case, no cross section between start and end */
if (likely(bcm_addr_is_sys_emi(end) || !bcm_addr_is_sys_emi(start))) {
- l2x0_flush_range(new_start, new_end);
+ l2c210_flush_range(new_start, new_end);
return;
}
/* They cross sections, so it can only be a cross from section
* 2 to section 3
*/
- l2x0_flush_range(new_start,
+ l2c210_flush_range(new_start,
bcm_l2_phys_addr(BCM_VC_EMI_SEC3_START_ADDR-1));
- l2x0_flush_range(bcm_l2_phys_addr(BCM_VC_EMI_SEC3_START_ADDR),
+ l2c210_flush_range(bcm_l2_phys_addr(BCM_VC_EMI_SEC3_START_ADDR),
new_end);
}
+/* Broadcom L2C-310 start from ARMs R3P2 or later, and require no fixups */
static const struct l2c_init_data of_bcm_l2x0_data __initconst = {
.num_lock = 8,
.of_parse = l2c310_of_parse,
.enable = l2c_enable,
- .fixup = l2c310_fixup,
.save = l2c310_save,
.outer_cache = {
.inv_range = bcm_inv_range,