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 | 13 +++++++++- arch/blackfin/include/asm/mach-common/bits/mpu.h | 6 ++++- arch/blackfin/lib/board.c | 28 ++++++++++++++++------ include/configs/bf609-ezkit.h | 6 +---- 4 files changed, 39 insertions(+), 14 deletions(-)
diff --git a/arch/blackfin/include/asm/cplb.h b/arch/blackfin/include/asm/cplb.h index cc21e93..5a0588b 100644 --- a/arch/blackfin/include/asm/cplb.h +++ b/arch/blackfin/include/asm/cplb.h @@ -46,8 +46,11 @@ #define CPLB_IDOCACHE CPLB_INOCACHE | CPLB_L1_CHBL
/* Data Attibutes*/ - +#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 +62,22 @@ #endif
#ifdef CONFIG_DCACHE_WB /*Write Back Policy */ +#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 */ +#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/include/asm/mach-common/bits/mpu.h b/arch/blackfin/include/asm/mach-common/bits/mpu.h index 39998f8..d067ef9 100644 --- a/arch/blackfin/include/asm/mach-common/bits/mpu.h +++ b/arch/blackfin/include/asm/mach-common/bits/mpu.h @@ -70,7 +70,11 @@ #define PAGE_SIZE_4KB 0x00010000 /* 4 KB page size */ #define PAGE_SIZE_1MB 0x00020000 /* 1 MB page size */ #define PAGE_SIZE_4MB 0x00030000 /* 4 MB page size */ -#define PAGE_SIZE_MASK 0x00030000 /* the bits for the page_size field */ +#define PAGE_SIZE_16KB 0x00040000 /* 16 KB page size */ +#define PAGE_SIZE_64KB 0x00050000 /* 64 KB page size */ +#define PAGE_SIZE_16MB 0x00060000 /* 16 MB page size */ +#define PAGE_SIZE_64MB 0x00070000 /* 64 MB page size */ +#define PAGE_SIZE_MASK 0x00070000 /* the bits for the page_size field */ #define PAGE_SIZE_SHIFT 16 #define CPLB_L1SRAM 0x00000020 /* 0=SRAM mapped in L1, 0=SRAM not mapped to L1 */ #define CPLB_PORTPRIO 0x00000200 /* 0=low priority port, 1= high priority port */ diff --git a/arch/blackfin/lib/board.c b/arch/blackfin/lib/board.c index cfb38e8..4e44bf0 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 +127,20 @@ 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, PAGE_SIZE_16MB | CPLB_DIRTY | CPLB_SUPV_WR | + CPLB_USER_WR | CPLB_USER_RD | CPLB_VALID); + ++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 +158,11 @@ 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 +173,18 @@ 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) { diff --git a/include/configs/bf609-ezkit.h b/include/configs/bf609-ezkit.h index 9b1f6c2..1fc2a18 100644 --- a/include/configs/bf609-ezkit.h +++ b/include/configs/bf609-ezkit.h @@ -62,11 +62,10 @@ #define CONFIG_BFIN_GET_SCLK0 (get_sclk()/CONFIG_SCLK0_DIV) #define CONFIG_BFIN_GET_SCLK1 (get_sclk()/CONFIG_SCLK1_DIV)
- /* * Memory Settings */ -#define CONFIG_MEM_SIZE 32 +#define CONFIG_MEM_SIZE 128
#define CONFIG_SMC_GCTL_VAL 0x00000010 #define CONFIG_SMC_B1CTL_VAL 0x01002001 @@ -76,9 +75,6 @@ #define CONFIG_SYS_MONITOR_LEN (256 * 1024) #define CONFIG_SYS_MALLOC_LEN (256 * 1024)
-#define CONFIG_ICACHE_OFF -#define CONFIG_DCACHE_OFF - /* * Network Settings */