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 --- arch/blackfin/include/asm/cplb.h | 17 +++++++++++------ arch/blackfin/lib/board.c | 27 ++++++++++++++++++++------- 2 files changed, 31 insertions(+), 13 deletions(-)
diff --git a/arch/blackfin/include/asm/cplb.h b/arch/blackfin/include/asm/cplb.h index cc21e93..afdc920 100644 --- a/arch/blackfin/include/asm/cplb.h +++ b/arch/blackfin/include/asm/cplb.h @@ -45,9 +45,14 @@ #define CPLB_INOCACHE CPLB_USER_RD | CPLB_VALID #define CPLB_IDOCACHE CPLB_INOCACHE | CPLB_L1_CHBL
-/* Data Attibutes*/ +#if defined(__ADSPBF60x__) +#define PAGE_SIZE (PAGE_SIZE_16MB) +#else +#define PAGE_SIZE (PAGE_SIZE_4MB) +#endif
-#define SDRAM_IGENERIC (PAGE_SIZE_4MB | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID) +/* Data Attibutes*/ +#define SDRAM_IGENERIC (PAGE_SIZE | CPLB_L1_CHBL | CPLB_USER_RD | CPLB_VALID) #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) @@ -59,18 +64,18 @@ #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) +#define SDRAM_DGENERIC (PAGE_SIZE | CPLB_L1_CHBL | CPLB_DIRTY | CPLB_SUPV_WR | CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID | ANOMALY_05000158_WORKAROUND) #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) +#define SDRAM_EBIU (PAGE_SIZE | 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) +#define SDRAM_DGENERIC (PAGE_SIZE | CPLB_L1_CHBL | CPLB_WT | CPLB_L1_AOW | CPLB_SUPV_WR | CPLB_USER_RD | CPLB_USER_WR | CPLB_VALID | ANOMALY_05000158_WORKAROUND) #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) -#define SDRAM_EBIU (PAGE_SIZE_4MB | CPLB_WT | CPLB_L1_AOW | CPLB_USER_RD | CPLB_USER_WR | CPLB_SUPV_WR | CPLB_VALID | ANOMALY_05000158_WORKAROUND) +#define SDRAM_EBIU (PAGE_SIZE | CPLB_WT | CPLB_L1_AOW | CPLB_USER_RD | CPLB_USER_WR | CPLB_SUPV_WR | CPLB_VALID | ANOMALY_05000158_WORKAROUND) #endif
#endif /* _CPLB_H */ diff --git a/arch/blackfin/lib/board.c b/arch/blackfin/lib/board.c index c380d27..32c5fc9 100644 --- a/arch/blackfin/lib/board.c +++ b/arch/blackfin/lib/board.c @@ -94,12 +94,12 @@ static void display_global_data(void) printf(" \-bi_flashoffset: %lx\n", bd->bi_flashoffset); }
-#define CPLB_PAGE_SIZE (4 * 1024 * 1024) -#define CPLB_PAGE_MASK (~(CPLB_PAGE_SIZE - 1)) void init_cplbtables(void) { volatile uint32_t *ICPLB_ADDR, *ICPLB_DATA; volatile uint32_t *DCPLB_ADDR, *DCPLB_DATA; + uint32_t cplb_page_size; + uint32_t cplb_page_mask; uint32_t extern_memory; size_t i;
@@ -127,12 +127,19 @@ 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 + cplb_page_size = (4 * 1024 * 1024); + cplb_page_mask = (~(cplb_page_size - 1));
if (CONFIG_MEM_SIZE) { uint32_t mbase = CONFIG_SYS_MONITOR_BASE; uint32_t mend = mbase + CONFIG_SYS_MONITOR_LEN; - mbase &= CPLB_PAGE_MASK; - mend &= CPLB_PAGE_MASK; + mbase &= cplb_page_mask; + mend &= cplb_page_mask;
icplb_add(mbase, SDRAM_IKERNEL); dcplb_add(mbase, SDRAM_DKERNEL); @@ -150,9 +157,11 @@ 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; @@ -163,14 +172,18 @@ void init_cplbtables(void) ++i; icplb_add(extern_memory, SDRAM_IKERNEL); dcplb_add(extern_memory, SDRAM_DKERNEL); - extern_memory += CPLB_PAGE_SIZE; + extern_memory += cplb_page_size; ++i; #endif
- while (i < 16 && extern_memory < (CONFIG_SYS_MONITOR_BASE & CPLB_PAGE_MASK)) { +#if defined(__ADSPBF60x__) + cplb_page_size = (16 * 1024 * 1024); + cplb_page_mask = (~(cplb_page_size - 1)); +#endif + while (i < 16 && extern_memory < (CONFIG_SYS_MONITOR_BASE & cplb_page_mask)) { icplb_add(extern_memory, SDRAM_IGENERIC); dcplb_add(extern_memory, SDRAM_DGENERIC); - extern_memory += CPLB_PAGE_SIZE; + extern_memory += cplb_page_size; ++i; } while (i < 16) {