diff options
Diffstat (limited to 'cpu/bf561/start.S')
| -rw-r--r-- | cpu/bf561/start.S | 58 |
1 files changed, 25 insertions, 33 deletions
diff --git a/cpu/bf561/start.S b/cpu/bf561/start.S index bd26cf3..6565de8 100644 --- a/cpu/bf561/start.S +++ b/cpu/bf561/start.S @@ -41,17 +41,16 @@ #include <config.h> #include <asm/blackfin.h> +#include <asm/mach-common/bits/core.h> +#include <asm/mach-common/bits/dma.h> +#include <asm/mach-common/bits/pll.h> + .global _stext; .global __bss_start; .global start; .global _start; -.global _rambase; -.global _ramstart; -.global _ramend; .global edata; -.global _initialize; .global _exit; -.global flashdataend; .global init_sdram; .text @@ -127,16 +126,16 @@ no_soft_reset: nop; /* Clear EVT registers */ - p0.h = (EVT_EMULATION_ADDR >> 16); - p0.l = (EVT_EMULATION_ADDR & 0xFFFF); + p0.h = (EVT0 >> 16); + p0.l = (EVT0 & 0xFFFF); p0 += 8; p1 = 14; r1 = 0; LSETUP(4,4) lc0 = p1; [ p0 ++ ] = r1; - p0.h = hi(SIC_IWR); - p0.l = lo(SIC_IWR); + p0.h = hi(SICA_IWR0); + p0.l = lo(SICA_IWR0); r0.l = 0x1; w[p0] = r0.l; SSYNC; @@ -193,8 +192,8 @@ loop1: */ /* To keep ourselves in the supervisor mode */ - p0.l = (EVT_IVG15_ADDR & 0xFFFF); - p0.h = (EVT_IVG15_ADDR >> 16); + p0.l = (EVT15 & 0xFFFF); + p0.h = (EVT15 >> 16); p1.l = _real_start; p1.h = _real_start; @@ -202,8 +201,8 @@ loop1: p0.l = (IMASK & 0xFFFF); p0.h = (IMASK >> 16); - r0.l = LO(IVG15_POS); - r0.h = HI(IVG15_POS); + r0.l = LO(EVT_IVG15); + r0.h = HI(EVT_IVG15); [p0] = r0; raise 15; p0.l = WAIT_HERE; @@ -218,13 +217,6 @@ WAIT_HERE: _real_start: [ -- sp ] = reti; -#ifdef CONFIG_EZKIT561 - p0.l = (WDOG_CTL & 0xFFFF); - p0.h = (WDOG_CTL >> 16); - r0 = WATCHDOG_DISABLE(z); - w[p0] = r0; -#endif - /* DMA reset code to Hi of L1 SRAM */ copy: P1.H = hi(SYSMMR_BASE); /* P1 Points to the beginning of SYSTEM MMR Space */ @@ -235,37 +227,37 @@ copy: R1.H = reset_end; R1.L = reset_end; R2 = R1 - R0; /* Count */ - R1.H = hi(L1_ISRAM); /* Destination Address (high) */ - R1.L = lo(L1_ISRAM); /* Destination Address (low) */ + R1.H = hi(L1_INST_SRAM); /* Destination Address (high) */ + R1.L = lo(L1_INST_SRAM); /* Destination Address (low) */ R3.L = DMAEN; /* Source DMAConfig Value (8-bit words) */ R4.L = (DI_EN | WNR | DMAEN); /* Destination DMAConfig Value (8-bit words) */ DMA: R6 = 0x1 (Z); - W[P1+OFFSET_(MDMA_S0_X_MODIFY)] = R6; /* Source Modify = 1 */ - W[P1+OFFSET_(MDMA_D0_X_MODIFY)] = R6; /* Destination Modify = 1 */ + W[P1+OFFSET_(IMDMA_S0_X_MODIFY)] = R6; /* Source Modify = 1 */ + W[P1+OFFSET_(IMDMA_D0_X_MODIFY)] = R6; /* Destination Modify = 1 */ - [P1+OFFSET_(MDMA_S0_START_ADDR)] = R0; /* Set Source Base Address */ - W[P1+OFFSET_(MDMA_S0_X_COUNT)] = R2; /* Set Source Count */ + [P1+OFFSET_(IMDMA_S0_START_ADDR)] = R0; /* Set Source Base Address */ + W[P1+OFFSET_(IMDMA_S0_X_COUNT)] = R2; /* Set Source Count */ /* Set Source DMAConfig = DMA Enable, Memory Read, 8-Bit Transfers, 1-D DMA, Flow - Stop */ - W[P1+OFFSET_(MDMA_S0_CONFIG)] = R3; + W[P1+OFFSET_(IMDMA_S0_CONFIG)] = R3; - [P1+OFFSET_(MDMA_D0_START_ADDR)] = R1; /* Set Destination Base Address */ - W[P1+OFFSET_(MDMA_D0_X_COUNT)] = R2; /* Set Destination Count */ + [P1+OFFSET_(IMDMA_D0_START_ADDR)] = R1; /* Set Destination Base Address */ + W[P1+OFFSET_(IMDMA_D0_X_COUNT)] = R2; /* Set Destination Count */ /* Set Destination DMAConfig = DMA Enable, Memory Write, 8-Bit Transfers, 1-D DMA, Flow - Stop, IOC */ - W[P1+OFFSET_(MDMA_D0_CONFIG)] = R4; + W[P1+OFFSET_(IMDMA_D0_CONFIG)] = R4; WAIT_DMA_DONE: - p0.h = hi(MDMA_D0_IRQ_STATUS); - p0.l = lo(MDMA_D0_IRQ_STATUS); + p0.h = hi(IMDMA_D0_IRQ_STATUS); + p0.l = lo(IMDMA_D0_IRQ_STATUS); R0 = W[P0](Z); CC = BITTST(R0, 0); if ! CC jump WAIT_DMA_DONE R0 = 0x1; - W[P1+OFFSET_(MDMA_D0_IRQ_STATUS)] = R0; /* Write 1 to clear DMA interrupt */ + W[P1+OFFSET_(IMDMA_D0_IRQ_STATUS)] = R0; /* Write 1 to clear DMA interrupt */ /* Initialize BSS Section with 0 s */ p1.l = __bss_start; |