diff options
Diffstat (limited to 'arch/blackfin/mach-bf548')
-rw-r--r-- | arch/blackfin/mach-bf548/boards/cm_bf548.c | 8 | ||||
-rw-r--r-- | arch/blackfin/mach-bf548/boards/ezkit.c | 14 | ||||
-rw-r--r-- | arch/blackfin/mach-bf548/head.S | 259 | ||||
-rw-r--r-- | arch/blackfin/mach-bf548/ints-priority.c | 2 |
4 files changed, 12 insertions, 271 deletions
diff --git a/arch/blackfin/mach-bf548/boards/cm_bf548.c b/arch/blackfin/mach-bf548/boards/cm_bf548.c index 4f4ae8787ed..58abbed0a22 100644 --- a/arch/blackfin/mach-bf548/boards/cm_bf548.c +++ b/arch/blackfin/mach-bf548/boards/cm_bf548.c @@ -319,12 +319,12 @@ static struct platform_device bfin_atapi_device = { #if defined(CONFIG_MTD_NAND_BF5XX) || defined(CONFIG_MTD_NAND_BF5XX_MODULE) static struct mtd_partition partition_info[] = { { - .name = "Linux Kernel", + .name = "linux kernel(nand)", .offset = 0, .size = 4 * SIZE_1M, }, { - .name = "File System", + .name = "file system(nand)", .offset = 4 * SIZE_1M, .size = (256 - 4) * SIZE_1M, }, @@ -377,12 +377,12 @@ static struct platform_device bf54x_sdh_device = { /* SPI flash chip (m25p16) */ static struct mtd_partition bfin_spi_flash_partitions[] = { { - .name = "bootloader", + .name = "bootloader(spi)", .size = 0x00040000, .offset = 0, .mask_flags = MTD_CAP_ROM }, { - .name = "linux kernel", + .name = "linux kernel(spi)", .size = 0x1c0000, .offset = 0x40000 } diff --git a/arch/blackfin/mach-bf548/boards/ezkit.c b/arch/blackfin/mach-bf548/boards/ezkit.c index 166fa2201ee..0d6333ada1d 100644 --- a/arch/blackfin/mach-bf548/boards/ezkit.c +++ b/arch/blackfin/mach-bf548/boards/ezkit.c @@ -365,12 +365,12 @@ static struct platform_device bfin_atapi_device = { #if defined(CONFIG_MTD_NAND_BF5XX) || defined(CONFIG_MTD_NAND_BF5XX_MODULE) static struct mtd_partition partition_info[] = { { - .name = "Linux Kernel", + .name = "linux kernel(nand)", .offset = 0, .size = 4 * SIZE_1M, }, { - .name = "File System", + .name = "file system(nand)", .offset = MTDPART_OFS_APPEND, .size = MTDPART_SIZ_FULL, }, @@ -419,15 +419,15 @@ static struct platform_device bf54x_sdh_device = { #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) static struct mtd_partition ezkit_partitions[] = { { - .name = "Bootloader", + .name = "bootloader(nor)", .size = 0x40000, .offset = 0, }, { - .name = "Kernel", + .name = "linux kernel(nor)", .size = 0x1C0000, .offset = MTDPART_OFS_APPEND, }, { - .name = "RootFS", + .name = "file system(nor)", .size = MTDPART_SIZ_FULL, .offset = MTDPART_OFS_APPEND, } @@ -461,12 +461,12 @@ static struct platform_device ezkit_flash_device = { /* SPI flash chip (m25p16) */ static struct mtd_partition bfin_spi_flash_partitions[] = { { - .name = "bootloader", + .name = "bootloader(spi)", .size = 0x00040000, .offset = 0, .mask_flags = MTD_CAP_ROM }, { - .name = "linux kernel", + .name = "linux kernel(spi)", .size = MTDPART_SIZ_FULL, .offset = MTDPART_OFS_APPEND, } diff --git a/arch/blackfin/mach-bf548/head.S b/arch/blackfin/mach-bf548/head.S index 06b9178cfcf..e3000f70a26 100644 --- a/arch/blackfin/mach-bf548/head.S +++ b/arch/blackfin/mach-bf548/head.S @@ -30,263 +30,11 @@ #include <linux/linkage.h> #include <linux/init.h> #include <asm/blackfin.h> -#include <asm/trace.h> #ifdef CONFIG_BFIN_KERNEL_CLOCK #include <asm/mach-common/clocks.h> #include <asm/mach/mem_init.h> #endif -.extern ___bss_stop -.extern ___bss_start -.extern _bf53x_relocate_l1_mem - -#define INITIAL_STACK 0xFFB01000 - -__INIT - -ENTRY(__start) - /* R0: argument of command line string, passed from uboot, save it */ - R7 = R0; - /* Enable Cycle Counter and Nesting Of Interrupts */ -#ifdef CONFIG_BFIN_SCRATCH_REG_CYCLES - R0 = SYSCFG_SNEN; -#else - R0 = SYSCFG_SNEN | SYSCFG_CCEN; -#endif - SYSCFG = R0; - R0 = 0; - - /* Clear Out All the data and pointer Registers*/ - R1 = R0; - R2 = R0; - R3 = R0; - R4 = R0; - R5 = R0; - R6 = R0; - - P0 = R0; - P1 = R0; - P2 = R0; - P3 = R0; - P4 = R0; - P5 = R0; - - LC0 = r0; - LC1 = r0; - L0 = r0; - L1 = r0; - L2 = r0; - L3 = r0; - - /* Clear Out All the DAG Registers*/ - B0 = r0; - B1 = r0; - B2 = r0; - B3 = r0; - - I0 = r0; - I1 = r0; - I2 = r0; - I3 = r0; - - M0 = r0; - M1 = r0; - M2 = r0; - M3 = r0; - - trace_buffer_init(p0,r0); - P0 = R1; - R0 = R1; - - /* Turn off the icache */ - p0.l = LO(IMEM_CONTROL); - p0.h = HI(IMEM_CONTROL); - R1 = [p0]; - R0 = ~ENICPLB; - R0 = R0 & R1; - [p0] = R0; - SSYNC; - - /* Turn off the dcache */ - p0.l = LO(DMEM_CONTROL); - p0.h = HI(DMEM_CONTROL); - R1 = [p0]; - R0 = ~ENDCPLB; - R0 = R0 & R1; - [p0] = R0; - SSYNC; - - /* Initialize stack pointer */ - SP.L = LO(INITIAL_STACK); - SP.H = HI(INITIAL_STACK); - FP = SP; - USP = SP; - -#ifdef CONFIG_EARLY_PRINTK - SP += -12; - call _init_early_exception_vectors; - SP += 12; -#endif - - /* Put The Code for PLL Programming and SDRAM Programming in L1 ISRAM */ - call _bf53x_relocate_l1_mem; -#ifdef CONFIG_BFIN_KERNEL_CLOCK - call _start_dma_code; -#endif - /* Code for initializing Async memory banks */ - - p2.h = hi(EBIU_AMBCTL1); - p2.l = lo(EBIU_AMBCTL1); - r0.h = hi(AMBCTL1VAL); - r0.l = lo(AMBCTL1VAL); - [p2] = r0; - ssync; - - p2.h = hi(EBIU_AMBCTL0); - p2.l = lo(EBIU_AMBCTL0); - r0.h = hi(AMBCTL0VAL); - r0.l = lo(AMBCTL0VAL); - [p2] = r0; - ssync; - - p2.h = hi(EBIU_AMGCTL); - p2.l = lo(EBIU_AMGCTL); - r0 = AMGCTLVAL; - w[p2] = r0; - ssync; - - p2.h = hi(EBIU_MBSCTL); - p2.l = lo(EBIU_MBSCTL); - r0.h = hi(CONFIG_EBIU_MBSCTLVAL); - r0.l = lo(CONFIG_EBIU_MBSCTLVAL); - [p2] = r0; - ssync; - - p2.h = hi(EBIU_MODE); - p2.l = lo(EBIU_MODE); - r0.h = hi(CONFIG_EBIU_MODEVAL); - r0.l = lo(CONFIG_EBIU_MODEVAL); - [p2] = r0; - ssync; - - p2.h = hi(EBIU_FCTL); - p2.l = lo(EBIU_FCTL); - r0.h = hi(CONFIG_EBIU_FCTLVAL); - r0.l = lo(CONFIG_EBIU_FCTLVAL); - [p2] = r0; - ssync; - - /* This section keeps the processor in supervisor mode - * during kernel boot. Switches to user mode at end of boot. - * See page 3-9 of Hardware Reference manual for documentation. - */ - - /* EVT15 = _real_start */ - - p0.l = lo(EVT15); - p0.h = hi(EVT15); - p1.l = _real_start; - p1.h = _real_start; - [p0] = p1; - csync; - - p0.l = lo(IMASK); - p0.h = hi(IMASK); - p1.l = IMASK_IVG15; - p1.h = 0x0; - [p0] = p1; - csync; - - raise 15; - p0.l = .LWAIT_HERE; - p0.h = .LWAIT_HERE; - reti = p0; -#if ANOMALY_05000281 - nop; - nop; - nop; -#endif - rti; - -.LWAIT_HERE: - jump .LWAIT_HERE; -ENDPROC(__start) - -ENTRY(_real_start) - [ -- sp ] = reti; - p0.l = lo(WDOG_CTL); - p0.h = hi(WDOG_CTL); - r0 = 0xAD6(z); - w[p0] = r0; /* watchdog off for now */ - ssync; - - /* Code update for BSS size == 0 - * Zero out the bss region. - */ - - p1.l = ___bss_start; - p1.h = ___bss_start; - p2.l = ___bss_stop; - p2.h = ___bss_stop; - r0 = 0; - p2 -= p1; - lsetup (.L_clear_bss, .L_clear_bss ) lc0 = p2; -.L_clear_bss: - B[p1++] = r0; - - /* In case there is a NULL pointer reference - * Zero out region before stext - */ - - p1.l = 0x0; - p1.h = 0x0; - r0.l = __stext; - r0.h = __stext; - r0 = r0 >> 1; - p2 = r0; - r0 = 0; - lsetup (.L_clear_zero, .L_clear_zero ) lc0 = p2; -.L_clear_zero: - W[p1++] = r0; - - /* pass the uboot arguments to the global value command line */ - R0 = R7; - call _cmdline_init; - - p1.l = __rambase; - p1.h = __rambase; - r0.l = __sdata; - r0.h = __sdata; - [p1] = r0; - - p1.l = __ramstart; - p1.h = __ramstart; - p3.l = ___bss_stop; - p3.h = ___bss_stop; - - r1 = p3; - [p1] = r1; - - - /* - * load the current thread pointer and stack - */ - r1.l = _init_thread_union; - r1.h = _init_thread_union; - - r2.l = 0x2000; - r2.h = 0x0000; - r1 = r1 + r2; - sp = r1; - usp = sp; - fp = sp; - call _start_kernel; -.L_exit: - jump.s .L_exit; -ENDPROC(_real_start) - -__FINIT - .section .l1.text #ifdef CONFIG_BFIN_KERNEL_CLOCK ENTRY(_start_dma_code) @@ -443,13 +191,6 @@ ENTRY(_start_dma_code) SSYNC; #endif - p0.h = hi(SIC_IWR0); - p0.l = lo(SIC_IWR0); - r0.l = lo(IWR_ENABLE_ALL); - r0.h = hi(IWR_ENABLE_ALL); - [p0] = r0; - SSYNC; - RTS; ENDPROC(_start_dma_code) #endif /* CONFIG_BFIN_KERNEL_CLOCK */ diff --git a/arch/blackfin/mach-bf548/ints-priority.c b/arch/blackfin/mach-bf548/ints-priority.c index 2665653cee3..9dd0fa3ac4d 100644 --- a/arch/blackfin/mach-bf548/ints-priority.c +++ b/arch/blackfin/mach-bf548/ints-priority.c @@ -31,7 +31,7 @@ #include <linux/irq.h> #include <asm/blackfin.h> -void program_IAR(void) +void __init program_IAR(void) { /* Program the IAR0 Register with the configured priority */ bfin_write_SIC_IAR0(((CONFIG_IRQ_PLL_WAKEUP - 7) << IRQ_PLL_WAKEUP_POS) | |