[PATCH 66/72] Blackfin: add ICPLB coverage for async banks

From: Mike Frysinger
Date: Mon Sep 14 2009 - 16:09:40 EST


From: Bernd Schmidt <bernds_cb1@xxxxxxxxxxx>

When doing XIP, we need to execute out of the async banks, so we need
ICPLBs to allow this.

Signed-off-by: Bernd Schmidt <bernds_cb1@xxxxxxxxxxx>
Signed-off-by: Mike Frysinger <vapier@xxxxxxxxxx>
---
arch/blackfin/kernel/cplb-nompu/cplbinit.c | 11 +++++++++--
1 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/arch/blackfin/kernel/cplb-nompu/cplbinit.c b/arch/blackfin/kernel/cplb-nompu/cplbinit.c
index 685f160..5d8ad50 100644
--- a/arch/blackfin/kernel/cplb-nompu/cplbinit.c
+++ b/arch/blackfin/kernel/cplb-nompu/cplbinit.c
@@ -36,7 +36,7 @@ int first_switched_icplb PDT_ATTR;
int first_switched_dcplb PDT_ATTR;

struct cplb_boundary dcplb_bounds[9] PDT_ATTR;
-struct cplb_boundary icplb_bounds[7] PDT_ATTR;
+struct cplb_boundary icplb_bounds[9] PDT_ATTR;

int icplb_nr_bounds PDT_ATTR;
int dcplb_nr_bounds PDT_ATTR;
@@ -167,14 +167,21 @@ void __init generate_cplb_tables_all(void)
icplb_bounds[i_i++].data = (reserved_mem_icache_on ?
SDRAM_IGENERIC : SDRAM_INON_CHBL);
}
+ /* Addressing hole up to the async bank. */
+ icplb_bounds[i_i].eaddr = ASYNC_BANK0_BASE;
+ icplb_bounds[i_i++].data = 0;
+ /* ASYNC banks. */
+ icplb_bounds[i_i].eaddr = ASYNC_BANK3_BASE + ASYNC_BANK3_SIZE;
+ icplb_bounds[i_i++].data = SDRAM_EBIU;
/* Addressing hole up to BootROM. */
icplb_bounds[i_i].eaddr = BOOT_ROM_START;
icplb_bounds[i_i++].data = 0;
/* BootROM -- largest one should be less than 1 meg. */
icplb_bounds[i_i].eaddr = BOOT_ROM_START + (1 * 1024 * 1024);
icplb_bounds[i_i++].data = SDRAM_IGENERIC;
+
if (L2_LENGTH) {
- /* Addressing hole up to L2 SRAM, including the async bank. */
+ /* Addressing hole up to L2 SRAM. */
icplb_bounds[i_i].eaddr = L2_START;
icplb_bounds[i_i++].data = 0;
/* L2 SRAM. */
--
1.6.4.2

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