diff options
author | Russell King <rmk+kernel@arm.linux.org.uk> | 2014-03-19 23:14:13 +0400 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2014-05-30 03:48:26 +0400 |
commit | 9081114837742cf7f152c9bccbeeb2a9273183f4 (patch) | |
tree | 58042e58ec8a4d03c7dc3ddc592cc1ef377f012b /arch | |
parent | 733c6bbafdfac62a307ed5ca925889343c5635ac (diff) | |
download | linux-9081114837742cf7f152c9bccbeeb2a9273183f4.tar.xz |
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')
-rw-r--r-- | arch/arm/mm/cache-l2x0.c | 27 |
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, |