[U-Boot] [PATCH v4 05/11] blackfin: bf60x: support big cplb page

Sonic Zhang
2013-02-21T11:06:43Z

From: Bob Liu <lliubbo@gmail.com>

BF60x support 16K, 64K, 16M and 64M cplb pages, this patch add support for them.
So that bf609-ezkit can use it's 128M memory.

Signed-off-by: Bob Liu <lliubbo@gmail.com>
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
---
Changes in v4: None
Changes in v3: None
Changes in v2:
- Fix all checkpatch issues.
- Replace run-time variable with additional macros when adding 4M byte
CPLB entries.

arch/blackfin/include/asm/cplb.h | 31 +++++++++++++++++++++++++++----
arch/blackfin/lib/board.c | 19 +++++++++++++++++--
2 files changed, 44 insertions(+), 6 deletions(-)

diff --git a/arch/blackfin/include/asm/cplb.h b/arch/blackfin/include/asm/cplb.h
index cc21e93..420380d 100644
--- a/arch/blackfin/include/asm/cplb.h
+++ b/arch/blackfin/include/asm/cplb.h
@@ -46,8 +46,13 @@
#define CPLB_IDOCACHE CPLB_INOCACHE | CPLB_L1_CHBL

/* Data Attibutes*/
-
-#define SDRAM_IGENERIC (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID)
+#if defined(__ADSPBF60x__)
+#define SDRAM_IGENERIC (PAGE_SIZE_16MB | CPLB_L1_CHBL | \
+ CPLB_USER_RD | CPLB_VALID)
+#else
+#define SDRAM_IGENERIC (PAGE_SIZE_4MB | CPLB_L1_CHBL | \
+ CPLB_USER_RD | CPLB_VALID)
+#endif
#define SDRAM_IKERNEL (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID | CPLB_LOCK)
#define L1_IMEMORY (PAGE_SIZE_1MB | CPLB_USER_RD | CPLB_VALID | CPLB_LOCK)
#define SDRAM_INON_CHBL (PAGE_SIZE_4MB | CPLB_USER_RD | CPLB_VALID)
@@ -59,14 +64,32 @@
#endif

#ifdef CONFIG_DCACHE_WB /*Write Back Policy */
-#define SDRAM_DGENERIC (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_DIRTY | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158_WORKAROUND)
+#if defined(__ADSPBF60x__)
+#define SDRAM_DGENERIC (PAGE_SIZE_16MB | CPLB_L1_CHBL | CPLB_DIRTY | \
+ CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | \
+ CPLB_VALID | ANOMALY_05000158_WORKAROUND)
+#else
+#define SDRAM_DGENERIC (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_DIRTY | \
+ CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | \
+ CPLB_VALID | ANOMALY_05000158_WORKAROUND)
+#endif
#define SDRAM_DNON_CHBL (PAGE_SIZE_4MB | CPLB_DIRTY | CPLB_SUPV_WR | CPLB_USER_RD | CPLB_USER_WR | CPLB_VALID | ANOMALY_05000158_WORKAROUND)
#define SDRAM_DKERNEL (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_USER_WR | CPLB_DIRTY | CPLB_SUPV_WR | CPLB_VALID | CPLB_LOCK | ANOMALY_05000158_WORKAROUND)
#define L1_DMEMORY (PAGE_SIZE_4MB | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158_WORKAROUND)
#define SDRAM_EBIU (PAGE_SIZE_4MB | CPLB_DIRTY | CPLB_USER_RD | CPLB_USER_WR | CPLB_SUPV_WR | CPLB_VALID | ANOMALY_05000158_WORKAROUND)

#else /*Write Through */
-#define SDRAM_DGENERIC (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_WT | CPLB_L1_AOW | CPLB_SUPV_WR | CPLB_USER_RD | CPLB_USER_WR | CPLB_VALID | ANOMALY_05000158_WORKAROUND)
+#if defined(__ADSPBF60x__)
+#define SDRAM_DGENERIC (PAGE_SIZE_16MB | CPLB_L1_CHBL | CPLB_WT | \
+ CPLB_L1_AOW | CPLB_SUPV_WR | CPLB_USER_RD | \
+ CPLB_USER_WR | CPLB_VALID | \
+ ANOMALY_05000158_WORKAROUND)
+#else
+#define SDRAM_DGENERIC (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_WT | \
+ CPLB_L1_AOW | CPLB_SUPV_WR | CPLB_USER_RD | \
+ CPLB_USER_WR | CPLB_VALID | \
+ ANOMALY_05000158_WORKAROUND)
+#endif
#define SDRAM_DNON_CHBL (PAGE_SIZE_4MB | CPLB_WT | CPLB_L1_AOW | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158_WORKAROUND)
#define SDRAM_DKERNEL (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_WT | CPLB_L1_AOW | CPLB_USER_RD | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_VALID | CPLB_LOCK | ANOMALY_05000158_WORKAROUND)
#define L1_DMEMORY (PAGE_SIZE_4MB | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_VALID | ANOMALY_05000158_WORKAROUND)
diff --git a/arch/blackfin/lib/board.c b/arch/blackfin/lib/board.c
index 098f685..288dc82 100644
--- a/arch/blackfin/lib/board.c
+++ b/arch/blackfin/lib/board.c
@@ -96,6 +96,13 @@ static void display_global_data(void)

#define CPLB_PAGE_SIZE (4 * 1024 * 1024)
#define CPLB_PAGE_MASK (~(CPLB_PAGE_SIZE - 1))
+#if defined(__ADSPBF60x__)
+#define CPLB_EX_PAGE_SIZE (16 * 1024 * 1024)
+#define CPLB_EX_PAGE_MASK (~(CPLB_EX_PAGE_SIZE - 1))
+#else
+#define CPLB_EX_PAGE_SIZE CPLB_PAGE_SIZE
+#define CPLB_EX_PAGE_MASK CPLB_PAGE_MASK
+#endif
void init_cplbtables(void)
{
volatile uint32_t *ICPLB_ADDR, *ICPLB_DATA;
@@ -127,6 +134,11 @@ void init_cplbtables(void)
icplb_add(0xFFA00000, L1_IMEMORY);
dcplb_add(0xFF800000, L1_DMEMORY);
++i;
+#if defined(__ADSPBF60x__)
+ icplb_add(0x0, 0x0);
+ dcplb_add(CONFIG_SYS_FLASH_BASE, SDRAM_EBIU);
+ ++i;
+#endif

if (CONFIG_MEM_SIZE) {
uint32_t mbase = CONFIG_SYS_MONITOR_BASE;
@@ -150,9 +162,11 @@ void init_cplbtables(void)
}
}

+#ifndef __ADSPBF60x__
icplb_add(0x20000000, SDRAM_INON_CHBL);
dcplb_add(0x20000000, SDRAM_EBIU);
++i;
+#endif

/* Add entries for the rest of external RAM up to the bootrom */
extern_memory = 0;
@@ -167,10 +181,11 @@ void init_cplbtables(void)
++i;
#endif

- while (i < 16 && extern_memory < (CONFIG_SYS_MONITOR_BASE & CPLB_PAGE_MASK)) {
+ while (i < 16 && extern_memory <
+ (CONFIG_SYS_MONITOR_BASE & CPLB_EX_PAGE_MASK)) {
icplb_add(extern_memory, SDRAM_IGENERIC);
dcplb_add(extern_memory, SDRAM_DGENERIC);
- extern_memory += CPLB_PAGE_SIZE;
+ extern_memory += CPLB_EX_PAGE_SIZE;
++i;
}
while (i < 16) {
--
1.7.0.4