diff options
Diffstat (limited to 'cpu/bf533')
-rw-r--r-- | cpu/bf533/Makefile | 4 | ||||
-rw-r--r-- | cpu/bf533/bf533_serial.h | 4 | ||||
-rw-r--r-- | cpu/bf533/cache.S | 3 | ||||
-rw-r--r-- | cpu/bf533/config.mk | 2 | ||||
-rw-r--r-- | cpu/bf533/cpu.c | 26 | ||||
-rw-r--r-- | cpu/bf533/init_sdram.S | 4 | ||||
-rw-r--r-- | cpu/bf533/init_sdram_bootrom_initblock.S | 4 | ||||
-rw-r--r-- | cpu/bf533/interrupt.S | 12 | ||||
-rw-r--r-- | cpu/bf533/interrupts.c | 4 | ||||
-rw-r--r-- | cpu/bf533/ints.c | 37 | ||||
-rw-r--r-- | cpu/bf533/serial.c | 47 | ||||
-rw-r--r-- | cpu/bf533/start.S | 27 | ||||
-rw-r--r-- | cpu/bf533/traps.c | 25 |
13 files changed, 88 insertions, 111 deletions
diff --git a/cpu/bf533/Makefile b/cpu/bf533/Makefile index dd4f299acd0..ad48f1c5c16 100644 --- a/cpu/bf533/Makefile +++ b/cpu/bf533/Makefile @@ -28,12 +28,12 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(CPU).a -START = start.o start1.o interrupt.o cache.o flush.o init_sdram.o +SOBJS = start.o start1.o interrupt.o cache.o flush.o init_sdram.o COBJS = cpu.o traps.o ints.o serial.o interrupts.o video.o EXTRA = init_sdram_bootrom_initblock.o -SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c) +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS)) START := $(addprefix $(obj),$(START)) diff --git a/cpu/bf533/bf533_serial.h b/cpu/bf533/bf533_serial.h index 25b96a9f693..9970b723d54 100644 --- a/cpu/bf533/bf533_serial.h +++ b/cpu/bf533/bf533_serial.h @@ -49,8 +49,8 @@ #include <asm/blackfin.h> #define SYNC_ALL __asm__ __volatile__ ("ssync;\n") -#define ACCESS_LATCH *pUART_LCR |= UART_LCR_DLAB; -#define ACCESS_PORT_IER *pUART_LCR &= (~UART_LCR_DLAB); +#define ACCESS_LATCH *pUART_LCR |= DLAB; +#define ACCESS_PORT_IER *pUART_LCR &= (~DLAB); void serial_setbrg(void); static void local_put_char(char ch); diff --git a/cpu/bf533/cache.S b/cpu/bf533/cache.S index 03aebe4b4c5..d9015c6d1a0 100644 --- a/cpu/bf533/cache.S +++ b/cpu/bf533/cache.S @@ -2,6 +2,7 @@ #include <asm/linkage.h> #include <config.h> #include <asm/blackfin.h> +#include <asm/mach-common/bits/mpu.h> .text .align 2 @@ -11,7 +12,7 @@ ENTRY(_blackfin_icache_flush_range) P0 = R2; P1 = R1; CSYNC; -1: + 1: IFLUSH[P0++]; CC = P0 < P1(iu); IF CC JUMP 1b(bp); diff --git a/cpu/bf533/config.mk b/cpu/bf533/config.mk index 6a713c3f51f..2caa3cc7d36 100644 --- a/cpu/bf533/config.mk +++ b/cpu/bf533/config.mk @@ -24,4 +24,4 @@ # MA 02110-1301 USA # -PLATFORM_RELFLAGS += -mcpu=bf533 -ffixed-P5 +PLATFORM_RELFLAGS += -mcpu=bf533 diff --git a/cpu/bf533/cpu.c b/cpu/bf533/cpu.c index 8118861f8d8..edb771e33c7 100644 --- a/cpu/bf533/cpu.c +++ b/cpu/bf533/cpu.c @@ -40,7 +40,7 @@ extern unsigned int dcplb_table[page_descriptor_table_size][2]; int do_reset(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) { - __asm__ __volatile__("cli r3;" "P0 = %0;" "JUMP (P0);"::"r"(L1_ISRAM) + __asm__ __volatile__("cli r3;" "P0 = %0;" "JUMP (P0);"::"r"(L1_INST_SRAM) ); return 0; @@ -100,22 +100,18 @@ void icache_enable(void) } - cli(); - sync(); + SSYNC(); asm(" .align 8; "); *(unsigned int *)IMEM_CONTROL = IMC | ENICPLB; - sync(); - sti(); + SSYNC(); } void icache_disable(void) { - cli(); - sync(); + SSYNC(); asm(" .align 8; "); *(unsigned int *)IMEM_CONTROL &= ~(IMC | ENICPLB); - sync(); - sti(); + SSYNC(); } int icache_status(void) @@ -175,14 +171,12 @@ void dcache_enable(void) } } - cli(); temp = *(unsigned int *)DMEM_CONTROL; - sync(); + SSYNC(); asm(" .align 8; "); *(unsigned int *)DMEM_CONTROL = ACACHE_BCACHE | ENDCPLB | PORT_PREF0 | temp; - sync(); - sti(); + SSYNC(); } void dcache_disable(void) @@ -190,13 +184,11 @@ void dcache_disable(void) unsigned int *I0, *I1; int i; - cli(); - sync(); + SSYNC(); asm(" .align 8; "); *(unsigned int *)DMEM_CONTROL &= ~(ACACHE_BCACHE | ENDCPLB | PORT_PREF0); - sync(); - sti(); + SSYNC(); /* after disable dcache, * clear it so we don't confuse the next application diff --git a/cpu/bf533/init_sdram.S b/cpu/bf533/init_sdram.S index e1a8e2ff88e..67a99e46bd4 100644 --- a/cpu/bf533/init_sdram.S +++ b/cpu/bf533/init_sdram.S @@ -4,6 +4,10 @@ #include <config.h> #include <asm/blackfin.h> #include <asm/mem_init.h> +#include <asm/mach-common/bits/bootrom.h> +#include <asm/mach-common/bits/ebiu.h> +#include <asm/mach-common/bits/pll.h> +#include <asm/mach-common/bits/uart.h> .global init_sdram; #if (CONFIG_CCLK_DIV == 1) diff --git a/cpu/bf533/init_sdram_bootrom_initblock.S b/cpu/bf533/init_sdram_bootrom_initblock.S index 99ed9203287..8694ca2c2ca 100644 --- a/cpu/bf533/init_sdram_bootrom_initblock.S +++ b/cpu/bf533/init_sdram_bootrom_initblock.S @@ -4,6 +4,10 @@ #include <config.h> #include <asm/blackfin.h> #include <asm/mem_init.h> +#include <asm/mach-common/bits/bootrom.h> +#include <asm/mach-common/bits/ebiu.h> +#include <asm/mach-common/bits/pll.h> +#include <asm/mach-common/bits/uart.h> .global init_sdram; #if (CONFIG_CCLK_DIV == 1) diff --git a/cpu/bf533/interrupt.S b/cpu/bf533/interrupt.S index c356d53aa61..7556ec9fbd0 100644 --- a/cpu/bf533/interrupt.S +++ b/cpu/bf533/interrupt.S @@ -42,9 +42,7 @@ #define ASSEMBLY #include <config.h> #include <asm/blackfin.h> -#include <asm/hw_irq.h> #include <asm/entry.h> -#include <asm/blackfin_defs.h> .global _blackfin_irq_panic; @@ -55,7 +53,7 @@ .global _evt_emulation _evt_emulation: SAVE_CONTEXT - r0 = IRQ_EMU; + r0 = 0; r1 = seqstat; sp += -12; call _blackfin_irq_panic; @@ -66,7 +64,7 @@ _evt_emulation: .global _evt_nmi _evt_nmi: SAVE_CONTEXT - r0 = IRQ_NMI; + r0 = 2; r1 = RETN; sp += -12; call _blackfin_irq_panic; @@ -88,7 +86,7 @@ _trap: .global _evt_rst _evt_rst: SAVE_CONTEXT - r0 = IRQ_RST; + r0 = 1; r1 = RETN; sp += -12; call _do_reset; @@ -98,7 +96,7 @@ _evt_rst_exit: rtn; irq_panic: - r0 = IRQ_EVX; + r0 = 3; r1 = sp; sp += -12; call _blackfin_irq_panic; @@ -115,7 +113,7 @@ _evt_ivhw_exit: .global _evt_timer _evt_timer: SAVE_CONTEXT - r0 = IRQ_CORETMR; + r0 = 6; sp += -12; /* Polling method used now. */ /* call timer_int; */ diff --git a/cpu/bf533/interrupts.c b/cpu/bf533/interrupts.c index 14d06cf8dfa..3d1c3bc8c21 100644 --- a/cpu/bf533/interrupts.c +++ b/cpu/bf533/interrupts.c @@ -35,8 +35,6 @@ */ #include <common.h> -#include <asm/machdep.h> -#include <asm/irq.h> #include <config.h> #include <asm/blackfin.h> #include "cpu.h" @@ -72,12 +70,10 @@ ulong get_tbclk(void) void enable_interrupts(void) { - restore_flags(int_flag); } int disable_interrupts(void) { - save_and_cli(int_flag); return 1; } diff --git a/cpu/bf533/ints.c b/cpu/bf533/ints.c index 55866896a03..05d9a1b67ee 100644 --- a/cpu/bf533/ints.c +++ b/cpu/bf533/ints.c @@ -39,12 +39,9 @@ #include <common.h> #include <linux/stddef.h> #include <asm/system.h> -#include <asm/irq.h> #include <asm/traps.h> #include <asm/io.h> #include <asm/errno.h> -#include <asm/machdep.h> -#include <asm/setup.h> #include <asm/blackfin.h> #include "cpu.h" @@ -61,42 +58,40 @@ void blackfin_irq_panic(int reason, struct pt_regs *regs) void blackfin_init_IRQ(void) { - *(unsigned volatile long *)(SIC_IMASK) = SIC_UNMASK_ALL; - cli(); + *(unsigned volatile long *)(SIC_IMASK) = 0; #ifndef CONFIG_KGDB - *(unsigned volatile long *)(EVT_EMULATION_ADDR) = 0x0; + *(unsigned volatile long *)(EVT1) = 0x0; #endif - *(unsigned volatile long *)(EVT_NMI_ADDR) = + *(unsigned volatile long *)(EVT2) = (unsigned volatile long)evt_nmi; - *(unsigned volatile long *)(EVT_EXCEPTION_ADDR) = + *(unsigned volatile long *)(EVT3) = (unsigned volatile long)trap; - *(unsigned volatile long *)(EVT_HARDWARE_ERROR_ADDR) = + *(unsigned volatile long *)(EVT5) = (unsigned volatile long)evt_ivhw; - *(unsigned volatile long *)(EVT_RESET_ADDR) = + *(unsigned volatile long *)(EVT0) = (unsigned volatile long)evt_rst; - *(unsigned volatile long *)(EVT_TIMER_ADDR) = + *(unsigned volatile long *)(EVT6) = (unsigned volatile long)evt_timer; - *(unsigned volatile long *)(EVT_IVG7_ADDR) = + *(unsigned volatile long *)(EVT7) = (unsigned volatile long)evt_evt7; - *(unsigned volatile long *)(EVT_IVG8_ADDR) = + *(unsigned volatile long *)(EVT8) = (unsigned volatile long)evt_evt8; - *(unsigned volatile long *)(EVT_IVG9_ADDR) = + *(unsigned volatile long *)(EVT9) = (unsigned volatile long)evt_evt9; - *(unsigned volatile long *)(EVT_IVG10_ADDR) = + *(unsigned volatile long *)(EVT10) = (unsigned volatile long)evt_evt10; - *(unsigned volatile long *)(EVT_IVG11_ADDR) = + *(unsigned volatile long *)(EVT11) = (unsigned volatile long)evt_evt11; - *(unsigned volatile long *)(EVT_IVG12_ADDR) = + *(unsigned volatile long *)(EVT12) = (unsigned volatile long)evt_evt12; - *(unsigned volatile long *)(EVT_IVG13_ADDR) = + *(unsigned volatile long *)(EVT13) = (unsigned volatile long)evt_evt13; - *(unsigned volatile long *)(EVT_IVG14_ADDR) = + *(unsigned volatile long *)(EVT14) = (unsigned volatile long)evt_system_call; - *(unsigned volatile long *)(EVT_IVG15_ADDR) = + *(unsigned volatile long *)(EVT15) = (unsigned volatile long)evt_soft_int1; *(volatile unsigned long *)ILAT = 0; asm("csync;"); - sti(); *(volatile unsigned long *)IMASK = 0xffbf; asm("csync;"); } diff --git a/cpu/bf533/serial.c b/cpu/bf533/serial.c index 8ac6e3ff64e..05fcfcccce6 100644 --- a/cpu/bf533/serial.c +++ b/cpu/bf533/serial.c @@ -43,14 +43,12 @@ */ #include <common.h> -#include <asm/irq.h> #include <asm/system.h> -#include <asm/segment.h> #include <asm/bitops.h> #include <asm/delay.h> -#include <asm/uaccess.h> #include <asm/io.h> #include "bf533_serial.h" +#include <asm/mach-common/bits/uart.h> DECLARE_GLOBAL_DATA_PTR; @@ -85,30 +83,30 @@ void serial_setbrg(void) } /* Enable UART */ - *pUART_GCTL |= UART_GCTL_UCEN; - sync(); + *pUART_GCTL |= UCEN; + SSYNC(); /* Set DLAB in LCR to Access DLL and DLH */ ACCESS_LATCH; - sync(); + SSYNC(); *pUART_DLL = hw_baud_table[i].dl_low; - sync(); + SSYNC(); *pUART_DLH = hw_baud_table[i].dl_high; - sync(); + SSYNC(); /* Clear DLAB in LCR to Access THR RBR IER */ ACCESS_PORT_IER; - sync(); + SSYNC(); /* Enable ERBFI and ELSI interrupts * to poll SIC_ISR register*/ - *pUART_IER = UART_IER_ELSI | UART_IER_ERBFI | UART_IER_ETBEI; - sync(); + *pUART_IER = ELSI | ERBFI | ETBEI; + SSYNC(); /* Set LCR to Word Lengh 8-bit word select */ - *pUART_LCR = UART_LCR_WLS8; - sync(); + *pUART_LCR = WLS_8; + SSYNC(); return; } @@ -121,14 +119,14 @@ int serial_init(void) void serial_putc(const char c) { - if ((*pUART_LSR) & UART_LSR_TEMT) { + if ((*pUART_LSR) & TEMT) { if (c == '\n') serial_putc('\r'); local_put_char(c); } - while (!((*pUART_LSR) & UART_LSR_TEMT)) + while (!((*pUART_LSR) & TEMT)) SYNC_ALL; return; @@ -136,7 +134,7 @@ void serial_putc(const char c) int serial_tstc(void) { - if (*pUART_LSR & UART_LSR_DR) + if (*pUART_LSR & DR) return 1; else return 0; @@ -149,14 +147,14 @@ int serial_getc(void) int ret; /* Poll for RX Interrupt */ - while (!((isr_val = - *(volatile unsigned long *)SIC_ISR) & IRQ_UART_RX_BIT)) ; + while (!serial_tstc()) + continue; asm("csync;"); uart_lsr_val = *pUART_LSR; /* Clear status bit */ uart_rbr_val = *pUART_RBR; /* getc() */ - if (isr_val & IRQ_UART_ERROR_BIT) { + if (uart_lsr_val & (OE|PE|FE|BI)) { ret = -1; } else { ret = uart_rbr_val & 0xff; @@ -177,19 +175,12 @@ static void local_put_char(char ch) int flags = 0; unsigned long isr_val; - save_and_cli(flags); - /* Poll for TX Interruput */ - while (!((isr_val = *pSIC_ISR) & IRQ_UART_TX_BIT)) ; + while (!(*pUART_LSR & THRE)) + continue; asm("csync;"); *pUART_THR = ch; /* putc() */ - if (isr_val & IRQ_UART_ERROR_BIT) { - printf("?"); - } - - restore_flags(flags); - return; } diff --git a/cpu/bf533/start.S b/cpu/bf533/start.S index 67a60cf21e0..c32fef61635 100644 --- a/cpu/bf533/start.S +++ b/cpu/bf533/start.S @@ -41,19 +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 _bf533_data_dest; -.global _bf533_data_size; .global edata; -.global _initialize; .global _exit; -.global flashdataend; .global init_sdram; #if (CONFIG_CCLK_DIV == 1) @@ -143,8 +140,8 @@ 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; @@ -200,8 +197,8 @@ 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; @@ -209,8 +206,8 @@ 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; @@ -236,8 +233,8 @@ 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) */ /* Destination DMAConfig Value (8-bit words) */ R4.L = (DI_EN | WNR | DMAEN); diff --git a/cpu/bf533/traps.c b/cpu/bf533/traps.c index 19b1fde41d3..7e156d51106 100644 --- a/cpu/bf533/traps.c +++ b/cpu/bf533/traps.c @@ -36,14 +36,13 @@ #include <common.h> #include <linux/types.h> #include <asm/errno.h> -#include <asm/irq.h> #include <asm/system.h> #include <asm/traps.h> -#include <asm/machdep.h> #include "cpu.h" -#include <asm/arch/anomaly.h> #include <asm/cplb.h> #include <asm/io.h> +#include <asm/mach-common/bits/core.h> +#include <asm/mach-common/bits/mpu.h> void init_IRQ(void) { @@ -68,7 +67,7 @@ static unsigned int cplb_sizes[4] = void trap_c(struct pt_regs *regs) { unsigned int addr; - unsigned long trapnr = (regs->seqstat) & SEQSTAT_EXCAUSE; + unsigned long trapnr = (regs->seqstat) & EXCAUSE; unsigned int i, j, size, *I0, *I1; unsigned short data = 0; @@ -76,7 +75,7 @@ void trap_c(struct pt_regs *regs) /* 0x26 - Data CPLB Miss */ case VEC_CPLB_M: -#ifdef ANOMALY_05000261 +#if ANOMALY_05000261 /* * Work around an anomaly: if we see a new DCPLB fault, * return without doing anything. Then, @@ -118,16 +117,16 @@ void trap_c(struct pt_regs *regs) /* Turn the cache off */ if (data) { - sync(); + SSYNC(); asm(" .align 8; "); *(unsigned int *)DMEM_CONTROL &= ~(ACACHE_BCACHE | ENDCPLB | PORT_PREF0); - sync(); + SSYNC(); } else { - sync(); + SSYNC(); asm(" .align 8; "); *(unsigned int *)IMEM_CONTROL &= ~(IMC | ENICPLB); - sync(); + SSYNC(); } if (data) { @@ -173,16 +172,16 @@ void trap_c(struct pt_regs *regs) /* Turn the cache back on */ if (data) { j = *(unsigned int *)DMEM_CONTROL; - sync(); + SSYNC(); asm(" .align 8; "); *(unsigned int *)DMEM_CONTROL = ACACHE_BCACHE | ENDCPLB | PORT_PREF0 | j; - sync(); + SSYNC(); } else { - sync(); + SSYNC(); asm(" .align 8; "); *(unsigned int *)IMEM_CONTROL = IMC | ENICPLB; - sync(); + SSYNC(); } break; |