From dbdb5abd070163f59901884c672b49c25b1aeea9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andreas=20Bie=C3=9Fmann?= Date: Fri, 6 Feb 2015 23:06:39 +0100 Subject: avr32: use dlmalloc for DMA buffers MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Andreas Bießmann diff --git a/arch/avr32/include/asm/dma-mapping.h b/arch/avr32/include/asm/dma-mapping.h index dbdd2fe..1cde827 100644 --- a/arch/avr32/include/asm/dma-mapping.h +++ b/arch/avr32/include/asm/dma-mapping.h @@ -14,7 +14,12 @@ enum dma_data_direction { DMA_TO_DEVICE = 1, DMA_FROM_DEVICE = 2, }; -extern void *dma_alloc_coherent(size_t len, unsigned long *handle); + +static inline void *dma_alloc_coherent(size_t len, unsigned long *handle) +{ + *handle = (unsigned long)memalign(ARCH_DMA_MINALIGN, len); + return (void *)*handle; +} static inline unsigned long dma_map_single(volatile void *vaddr, size_t len, enum dma_data_direction dir) diff --git a/arch/avr32/lib/board.c b/arch/avr32/lib/board.c index bf0997f..7d13ac5 100644 --- a/arch/avr32/lib/board.c +++ b/arch/avr32/lib/board.c @@ -45,50 +45,6 @@ int cpu_mmc_init(bd_t *bd) return atmel_mci_init((void *)ATMEL_BASE_MMCI); } -#ifdef CONFIG_SYS_DMA_ALLOC_LEN -#include -#include - -static unsigned long dma_alloc_start; -static unsigned long dma_alloc_end; -static unsigned long dma_alloc_brk; - -static void dma_alloc_init(void) -{ - unsigned long monitor_addr; - - monitor_addr = CONFIG_SYS_MONITOR_BASE + gd->reloc_off; - dma_alloc_end = monitor_addr - CONFIG_SYS_MALLOC_LEN; - dma_alloc_start = dma_alloc_end - CONFIG_SYS_DMA_ALLOC_LEN; - dma_alloc_brk = dma_alloc_start; - - printf("DMA: Using memory from 0x%08lx to 0x%08lx\n", - dma_alloc_start, dma_alloc_end); - - invalidate_dcache_range((unsigned long)cached(dma_alloc_start), - dma_alloc_end); -} - -void *dma_alloc_coherent(size_t len, unsigned long *handle) -{ - unsigned long paddr = dma_alloc_brk; - - if (dma_alloc_brk + len > dma_alloc_end) - return NULL; - - dma_alloc_brk = ((paddr + len + CONFIG_SYS_DCACHE_LINESZ - 1) - & ~(CONFIG_SYS_DCACHE_LINESZ - 1)); - - *handle = paddr; - return uncached(paddr); -} -#else -static inline void dma_alloc_init(void) -{ - -} -#endif - static int init_baudrate(void) { gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE); @@ -180,12 +136,6 @@ void board_init_f(ulong board_type) /* Reserve memory for malloc() */ addr -= CONFIG_SYS_MALLOC_LEN; -#ifdef CONFIG_SYS_DMA_ALLOC_LEN - /* Reserve DMA memory (must be cache aligned) */ - addr &= ~(CONFIG_SYS_DCACHE_LINESZ - 1); - addr -= CONFIG_SYS_DMA_ALLOC_LEN; -#endif - #ifdef CONFIG_LCD #ifdef CONFIG_FB_ADDR printf("LCD: Frame buffer allocated at preset 0x%08x\n", @@ -264,7 +214,6 @@ void board_init_r(gd_t *new_gd, ulong dest_addr) /* The malloc area is right below the monitor image in RAM */ mem_malloc_init(CONFIG_SYS_MONITOR_BASE + gd->reloc_off - CONFIG_SYS_MALLOC_LEN, CONFIG_SYS_MALLOC_LEN); - dma_alloc_init(); enable_interrupts(); diff --git a/include/configs/atngw100.h b/include/configs/atngw100.h index 9c81e31..540e86a 100644 --- a/include/configs/atngw100.h +++ b/include/configs/atngw100.h @@ -143,7 +143,6 @@ #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INTRAM_BASE + CONFIG_SYS_INTRAM_SIZE) #define CONFIG_SYS_MALLOC_LEN (256*1024) -#define CONFIG_SYS_DMA_ALLOC_LEN (16384) /* Allow 4MB for the kernel run-time image */ #define CONFIG_SYS_LOAD_ADDR (EBI_SDRAM_BASE + 0x00400000) diff --git a/include/configs/atngw100mkii.h b/include/configs/atngw100mkii.h index 7b4f9cf..35eae76 100644 --- a/include/configs/atngw100mkii.h +++ b/include/configs/atngw100mkii.h @@ -164,7 +164,6 @@ #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INTRAM_BASE + CONFIG_SYS_INTRAM_SIZE) #define CONFIG_SYS_MALLOC_LEN (256*1024) -#define CONFIG_SYS_DMA_ALLOC_LEN (16384) /* Allow 4MB for the kernel run-time image */ #define CONFIG_SYS_LOAD_ADDR (EBI_SDRAM_BASE + 0x00400000) diff --git a/include/configs/atstk1002.h b/include/configs/atstk1002.h index 8f3fd0b..9e58238 100644 --- a/include/configs/atstk1002.h +++ b/include/configs/atstk1002.h @@ -158,7 +158,6 @@ #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INTRAM_BASE + CONFIG_SYS_INTRAM_SIZE) #define CONFIG_SYS_MALLOC_LEN (256*1024) -#define CONFIG_SYS_DMA_ALLOC_LEN (16384) /* Allow 4MB for the kernel run-time image */ #define CONFIG_SYS_LOAD_ADDR (EBI_SDRAM_BASE + 0x00400000) diff --git a/include/configs/atstk1006.h b/include/configs/atstk1006.h index bbe0aea..25090a6 100644 --- a/include/configs/atstk1006.h +++ b/include/configs/atstk1006.h @@ -159,7 +159,6 @@ #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INTRAM_BASE + CONFIG_SYS_INTRAM_SIZE) #define CONFIG_SYS_MALLOC_LEN (256*1024) -#define CONFIG_SYS_DMA_ALLOC_LEN (16384) /* Allow 4MB for the kernel run-time image */ #define CONFIG_SYS_LOAD_ADDR (EBI_SDRAM_BASE + 0x00400000) diff --git a/include/configs/favr-32-ezkit.h b/include/configs/favr-32-ezkit.h index 338d3dc..75bff4c 100644 --- a/include/configs/favr-32-ezkit.h +++ b/include/configs/favr-32-ezkit.h @@ -162,7 +162,6 @@ #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INTRAM_BASE + CONFIG_SYS_INTRAM_SIZE) #define CONFIG_SYS_MALLOC_LEN (256*1024) -#define CONFIG_SYS_DMA_ALLOC_LEN (16384) /* Allow 4MB for the kernel run-time image */ #define CONFIG_SYS_LOAD_ADDR (EBI_SDRAM_BASE + 0x00400000) diff --git a/include/configs/grasshopper.h b/include/configs/grasshopper.h index 73534ad..83f0ed2 100644 --- a/include/configs/grasshopper.h +++ b/include/configs/grasshopper.h @@ -151,7 +151,6 @@ CONFIG_SYS_INTRAM_SIZE) #define CONFIG_SYS_MALLOC_LEN (256*1024) -#define CONFIG_SYS_DMA_ALLOC_LEN (16384) /* Allow 4MB for the kernel run-time image */ #define CONFIG_SYS_LOAD_ADDR (EBI_SDRAM_BASE + 0x00400000) diff --git a/include/configs/hammerhead.h b/include/configs/hammerhead.h index 4f0603a..0bc42f1 100644 --- a/include/configs/hammerhead.h +++ b/include/configs/hammerhead.h @@ -137,7 +137,6 @@ #define CONFIG_SYS_MALLOC_LEN (256*1024) -#define CONFIG_SYS_DMA_ALLOC_LEN (16384) /* Allow 4MB for the kernel run-time image */ #define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_SDRAM_BASE + 0x00400000) diff --git a/include/configs/mimc200.h b/include/configs/mimc200.h index fc7ecfa..2fd3add 100644 --- a/include/configs/mimc200.h +++ b/include/configs/mimc200.h @@ -157,7 +157,6 @@ #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INTRAM_BASE + CONFIG_SYS_INTRAM_SIZE) #define CONFIG_SYS_MALLOC_LEN (1024*1024) -#define CONFIG_SYS_DMA_ALLOC_LEN (16384) /* Allow 4MB for the kernel run-time image */ #define CONFIG_SYS_LOAD_ADDR (EBI_SDRAM_BASE + 0x00400000) -- cgit v0.10.2 From aa0ea2a5538ab7b0f3e8975a27ab8c0a764a69cd Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andreas=20Bie=C3=9Fmann?= Date: Fri, 6 Feb 2015 23:06:40 +0100 Subject: avr32: rename cpu_init() -> arch_cpu_init() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Andreas Bießmann Reviewed-by: Simon Glass diff --git a/arch/avr32/cpu/cpu.c b/arch/avr32/cpu/cpu.c index cef630e..cd226a6 100644 --- a/arch/avr32/cpu/cpu.c +++ b/arch/avr32/cpu/cpu.c @@ -27,7 +27,7 @@ DECLARE_GLOBAL_DATA_PTR; -int cpu_init(void) +int arch_cpu_init(void) { extern void _evba(void); diff --git a/arch/avr32/include/asm/u-boot.h b/arch/avr32/include/asm/u-boot.h index 6aef808..2387f8a 100644 --- a/arch/avr32/include/asm/u-boot.h +++ b/arch/avr32/include/asm/u-boot.h @@ -25,4 +25,6 @@ typedef struct bd_info { /* For image.h:image_check_target_arch() */ #define IH_ARCH_DEFAULT IH_ARCH_AVR32 +int arch_cpu_init(void); + #endif /* __ASM_U_BOOT_H__ */ diff --git a/arch/avr32/lib/board.c b/arch/avr32/lib/board.c index 7d13ac5..95f9526 100644 --- a/arch/avr32/lib/board.c +++ b/arch/avr32/lib/board.c @@ -98,7 +98,7 @@ void board_init_f(ulong board_type) /* Perform initialization sequence */ board_early_init_f(); - cpu_init(); + arch_cpu_init(); board_postclk_init(); env_init(); init_baudrate(); -- cgit v0.10.2 From 26db7903f5102b8cf5570237ccbfc7f2c0dfd7aa Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andreas=20Bie=C3=9Fmann?= Date: Fri, 6 Feb 2015 23:06:41 +0100 Subject: avr32: factor out cpu_mmc_init() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit cpu_mmc_init() is required by the init sequence to have a working MMC interface on avr32. This will not be included in the binary if we omit the avr32 board.c when building the generic board. Signed-off-by: Andreas Bießmann diff --git a/arch/avr32/cpu/Makefile b/arch/avr32/cpu/Makefile index 00cede3..e111db3 100644 --- a/arch/avr32/cpu/Makefile +++ b/arch/avr32/cpu/Makefile @@ -16,5 +16,6 @@ obj-y += cache.o obj-y += interrupts.o obj-$(CONFIG_PORTMUX_PIO) += portmux-pio.o obj-$(CONFIG_PORTMUX_GPIO) += portmux-gpio.o +obj-y += mmc.o obj-$(if $(filter at32ap700x,$(SOC)),y) += at32ap700x/ diff --git a/arch/avr32/cpu/mmc.c b/arch/avr32/cpu/mmc.c new file mode 100644 index 0000000..b7213e4 --- /dev/null +++ b/arch/avr32/cpu/mmc.c @@ -0,0 +1,16 @@ +/* + * Copyright (C) 2004-2006 Atmel Corporation + * Copyright (C) 2015 Andreas Bießmann + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include +#include +#include + +/* provide cpu_mmc_init, to overwrite provide board_mmc_init */ +int cpu_mmc_init(bd_t *bd) +{ + /* This calls the atmel_mci_init in gen_atmel_mci.c */ + return atmel_mci_init((void *)ATMEL_BASE_MMCI); +} diff --git a/arch/avr32/lib/board.c b/arch/avr32/lib/board.c index 95f9526..e86530f 100644 --- a/arch/avr32/lib/board.c +++ b/arch/avr32/lib/board.c @@ -9,7 +9,6 @@ #include #include #include -#include #ifdef CONFIG_BITBANGMII #include @@ -38,13 +37,6 @@ static int __do_nothing(void) int board_postclk_init(void) __attribute__((weak, alias("__do_nothing"))); int board_early_init_r(void) __attribute__((weak, alias("__do_nothing"))); -/* provide cpu_mmc_init, to overwrite provide board_mmc_init */ -int cpu_mmc_init(bd_t *bd) -{ - /* This calls the atmel_mci_init in gen_atmel_mci.c */ - return atmel_mci_init((void *)ATMEL_BASE_MMCI); -} - static int init_baudrate(void) { gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE); -- cgit v0.10.2 From e9ed41cc5c684b4b08988934544449eb782c14db Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andreas=20Bie=C3=9Fmann?= Date: Fri, 6 Feb 2015 23:06:42 +0100 Subject: avr32: rename mmu.h definitions MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Prefix mmu.h PAGE_xxx definitions with MMU_ in order to prevent a naming conflict with other definitions. Signed-off-by: Andreas Bießmann diff --git a/arch/avr32/cpu/at32ap700x/mmu.c b/arch/avr32/cpu/at32ap700x/mmu.c index 0e28b21..f5e62f2 100644 --- a/arch/avr32/cpu/at32ap700x/mmu.c +++ b/arch/avr32/cpu/at32ap700x/mmu.c @@ -7,7 +7,7 @@ void mmu_init_r(unsigned long dest_addr) uintptr_t vmr_table_addr; /* Round monitor address down to the nearest page boundary */ - dest_addr &= PAGE_ADDR_MASK; + dest_addr &= MMU_PAGE_ADDR_MASK; /* Initialize TLB entry 0 to cover the monitor, and lock it */ sysreg_write(TLBEHI, dest_addr | SYSREG_BIT(TLBEHI_V)); @@ -36,7 +36,7 @@ int mmu_handle_tlb_miss(void) unsigned int fault_pgno; int first, last; - fault_pgno = sysreg_read(TLBEAR) >> PAGE_SHIFT; + fault_pgno = sysreg_read(TLBEAR) >> MMU_PAGE_SHIFT; vmr_table = (const struct mmu_vm_range *)sysreg_read(PTBR); /* Do a binary search through the VM ranges */ @@ -60,8 +60,8 @@ int mmu_handle_tlb_miss(void) /* Got it; let's slam it into the TLB */ uint32_t tlbelo; - tlbelo = vmr->phys & ~PAGE_ADDR_MASK; - tlbelo |= fault_pgno << PAGE_SHIFT; + tlbelo = vmr->phys & ~MMU_PAGE_ADDR_MASK; + tlbelo |= fault_pgno << MMU_PAGE_SHIFT; sysreg_write(TLBELO, tlbelo); __builtin_tlbw(); diff --git a/arch/avr32/include/asm/arch-at32ap700x/mmu.h b/arch/avr32/include/asm/arch-at32ap700x/mmu.h index fcd9a05..4736312 100644 --- a/arch/avr32/include/asm/arch-at32ap700x/mmu.h +++ b/arch/avr32/include/asm/arch-at32ap700x/mmu.h @@ -13,9 +13,9 @@ #include -#define PAGE_SHIFT 20 -#define PAGE_SIZE (1UL << PAGE_SHIFT) -#define PAGE_ADDR_MASK (~(PAGE_SIZE - 1)) +#define MMU_PAGE_SHIFT 20 +#define MMU_PAGE_SIZE (1UL << MMU_PAGE_SHIFT) +#define MMU_PAGE_ADDR_MASK (~(MMU_PAGE_SIZE - 1)) #define MMU_VMR_CACHE_NONE \ (SYSREG_BF(AP, 3) | SYSREG_BF(SZ, 3) | SYSREG_BIT(TLBELO_D)) diff --git a/board/atmel/atngw100/atngw100.c b/board/atmel/atngw100/atngw100.c index 03d767a..ed09c8c 100644 --- a/board/atmel/atngw100/atngw100.c +++ b/board/atmel/atngw100/atngw100.c @@ -18,14 +18,14 @@ DECLARE_GLOBAL_DATA_PTR; struct mmu_vm_range mmu_vmr_table[CONFIG_SYS_NR_VM_REGIONS] = { { - .virt_pgno = CONFIG_SYS_FLASH_BASE >> PAGE_SHIFT, - .nr_pages = CONFIG_SYS_FLASH_SIZE >> PAGE_SHIFT, - .phys = (CONFIG_SYS_FLASH_BASE >> PAGE_SHIFT) + .virt_pgno = CONFIG_SYS_FLASH_BASE >> MMU_PAGE_SHIFT, + .nr_pages = CONFIG_SYS_FLASH_SIZE >> MMU_PAGE_SHIFT, + .phys = (CONFIG_SYS_FLASH_BASE >> MMU_PAGE_SHIFT) | MMU_VMR_CACHE_NONE, }, { - .virt_pgno = CONFIG_SYS_SDRAM_BASE >> PAGE_SHIFT, - .nr_pages = EBI_SDRAM_SIZE >> PAGE_SHIFT, - .phys = (CONFIG_SYS_SDRAM_BASE >> PAGE_SHIFT) + .virt_pgno = CONFIG_SYS_SDRAM_BASE >> MMU_PAGE_SHIFT, + .nr_pages = EBI_SDRAM_SIZE >> MMU_PAGE_SHIFT, + .phys = (CONFIG_SYS_SDRAM_BASE >> MMU_PAGE_SHIFT) | MMU_VMR_CACHE_WRBACK, }, }; diff --git a/board/atmel/atngw100mkii/atngw100mkii.c b/board/atmel/atngw100mkii/atngw100mkii.c index 72d19e4..912ea10 100644 --- a/board/atmel/atngw100mkii/atngw100mkii.c +++ b/board/atmel/atngw100mkii/atngw100mkii.c @@ -23,21 +23,21 @@ DECLARE_GLOBAL_DATA_PTR; struct mmu_vm_range mmu_vmr_table[CONFIG_SYS_NR_VM_REGIONS] = { { /* Atmel AT49BV640D 8 MiB x16 NOR flash on NCS0 */ - .virt_pgno = CONFIG_SYS_FLASH_BASE >> PAGE_SHIFT, - .nr_pages = CONFIG_SYS_FLASH_SIZE >> PAGE_SHIFT, - .phys = (CONFIG_SYS_FLASH_BASE >> PAGE_SHIFT) + .virt_pgno = CONFIG_SYS_FLASH_BASE >> MMU_PAGE_SHIFT, + .nr_pages = CONFIG_SYS_FLASH_SIZE >> MMU_PAGE_SHIFT, + .phys = (CONFIG_SYS_FLASH_BASE >> MMU_PAGE_SHIFT) | MMU_VMR_CACHE_NONE, }, { /* Micron MT29F2G16AAD 256 MiB x16 NAND flash on NCS3 */ - .virt_pgno = EBI_SRAM_CS3_BASE >> PAGE_SHIFT, - .nr_pages = EBI_SRAM_CS3_SIZE >> PAGE_SHIFT, - .phys = (EBI_SRAM_CS3_BASE >> PAGE_SHIFT) + .virt_pgno = EBI_SRAM_CS3_BASE >> MMU_PAGE_SHIFT, + .nr_pages = EBI_SRAM_CS3_SIZE >> MMU_PAGE_SHIFT, + .phys = (EBI_SRAM_CS3_BASE >> MMU_PAGE_SHIFT) | MMU_VMR_CACHE_NONE, }, { /* 2x16-bit ISSI IS42S16320B 64 MiB SDRAM (128 MiB total) */ - .virt_pgno = CONFIG_SYS_SDRAM_BASE >> PAGE_SHIFT, - .nr_pages = EBI_SDRAM_SIZE >> PAGE_SHIFT, - .phys = (CONFIG_SYS_SDRAM_BASE >> PAGE_SHIFT) + .virt_pgno = CONFIG_SYS_SDRAM_BASE >> MMU_PAGE_SHIFT, + .nr_pages = EBI_SDRAM_SIZE >> MMU_PAGE_SHIFT, + .phys = (CONFIG_SYS_SDRAM_BASE >> MMU_PAGE_SHIFT) | MMU_VMR_CACHE_WRBACK, }, }; diff --git a/board/atmel/atstk1000/atstk1000.c b/board/atmel/atstk1000/atstk1000.c index 4b6b90f..f354694 100644 --- a/board/atmel/atstk1000/atstk1000.c +++ b/board/atmel/atstk1000/atstk1000.c @@ -17,14 +17,14 @@ DECLARE_GLOBAL_DATA_PTR; struct mmu_vm_range mmu_vmr_table[CONFIG_SYS_NR_VM_REGIONS] = { { - .virt_pgno = CONFIG_SYS_FLASH_BASE >> PAGE_SHIFT, - .nr_pages = CONFIG_SYS_FLASH_SIZE >> PAGE_SHIFT, - .phys = (CONFIG_SYS_FLASH_BASE >> PAGE_SHIFT) + .virt_pgno = CONFIG_SYS_FLASH_BASE >> MMU_PAGE_SHIFT, + .nr_pages = CONFIG_SYS_FLASH_SIZE >> MMU_PAGE_SHIFT, + .phys = (CONFIG_SYS_FLASH_BASE >> MMU_PAGE_SHIFT) | MMU_VMR_CACHE_NONE, }, { - .virt_pgno = CONFIG_SYS_SDRAM_BASE >> PAGE_SHIFT, - .nr_pages = EBI_SDRAM_SIZE >> PAGE_SHIFT, - .phys = (CONFIG_SYS_SDRAM_BASE >> PAGE_SHIFT) + .virt_pgno = CONFIG_SYS_SDRAM_BASE >> MMU_PAGE_SHIFT, + .nr_pages = EBI_SDRAM_SIZE >> MMU_PAGE_SHIFT, + .phys = (CONFIG_SYS_SDRAM_BASE >> MMU_PAGE_SHIFT) | MMU_VMR_CACHE_WRBACK, }, }; diff --git a/board/earthlcd/favr-32-ezkit/favr-32-ezkit.c b/board/earthlcd/favr-32-ezkit/favr-32-ezkit.c index a74547b..f9fde79 100644 --- a/board/earthlcd/favr-32-ezkit/favr-32-ezkit.c +++ b/board/earthlcd/favr-32-ezkit/favr-32-ezkit.c @@ -17,14 +17,14 @@ DECLARE_GLOBAL_DATA_PTR; struct mmu_vm_range mmu_vmr_table[CONFIG_SYS_NR_VM_REGIONS] = { { - .virt_pgno = CONFIG_SYS_FLASH_BASE >> PAGE_SHIFT, - .nr_pages = CONFIG_SYS_FLASH_SIZE >> PAGE_SHIFT, - .phys = (CONFIG_SYS_FLASH_BASE >> PAGE_SHIFT) + .virt_pgno = CONFIG_SYS_FLASH_BASE >> MMU_PAGE_SHIFT, + .nr_pages = CONFIG_SYS_FLASH_SIZE >> MMU_PAGE_SHIFT, + .phys = (CONFIG_SYS_FLASH_BASE >> MMU_PAGE_SHIFT) | MMU_VMR_CACHE_NONE, }, { - .virt_pgno = CONFIG_SYS_SDRAM_BASE >> PAGE_SHIFT, - .nr_pages = EBI_SDRAM_SIZE >> PAGE_SHIFT, - .phys = (CONFIG_SYS_SDRAM_BASE >> PAGE_SHIFT) + .virt_pgno = CONFIG_SYS_SDRAM_BASE >> MMU_PAGE_SHIFT, + .nr_pages = EBI_SDRAM_SIZE >> MMU_PAGE_SHIFT, + .phys = (CONFIG_SYS_SDRAM_BASE >> MMU_PAGE_SHIFT) | MMU_VMR_CACHE_WRBACK, }, }; diff --git a/board/in-circuit/grasshopper/grasshopper.c b/board/in-circuit/grasshopper/grasshopper.c index 340b713..2ac54db 100644 --- a/board/in-circuit/grasshopper/grasshopper.c +++ b/board/in-circuit/grasshopper/grasshopper.c @@ -18,14 +18,14 @@ DECLARE_GLOBAL_DATA_PTR; struct mmu_vm_range mmu_vmr_table[CONFIG_SYS_NR_VM_REGIONS] = { { - .virt_pgno = CONFIG_SYS_FLASH_BASE >> PAGE_SHIFT, - .nr_pages = CONFIG_SYS_FLASH_SIZE >> PAGE_SHIFT, - .phys = (CONFIG_SYS_FLASH_BASE >> PAGE_SHIFT) + .virt_pgno = CONFIG_SYS_FLASH_BASE >> MMU_PAGE_SHIFT, + .nr_pages = CONFIG_SYS_FLASH_SIZE >> MMU_PAGE_SHIFT, + .phys = (CONFIG_SYS_FLASH_BASE >> MMU_PAGE_SHIFT) | MMU_VMR_CACHE_NONE, }, { - .virt_pgno = CONFIG_SYS_SDRAM_BASE >> PAGE_SHIFT, - .nr_pages = EBI_SDRAM_SIZE >> PAGE_SHIFT, - .phys = (CONFIG_SYS_SDRAM_BASE >> PAGE_SHIFT) + .virt_pgno = CONFIG_SYS_SDRAM_BASE >> MMU_PAGE_SHIFT, + .nr_pages = EBI_SDRAM_SIZE >> MMU_PAGE_SHIFT, + .phys = (CONFIG_SYS_SDRAM_BASE >> MMU_PAGE_SHIFT) | MMU_VMR_CACHE_WRBACK, }, }; diff --git a/board/mimc/mimc200/mimc200.c b/board/mimc/mimc200/mimc200.c index 2ad53ec..186ac7d 100644 --- a/board/mimc/mimc200/mimc200.c +++ b/board/mimc/mimc200/mimc200.c @@ -20,19 +20,19 @@ struct mmu_vm_range mmu_vmr_table[CONFIG_SYS_NR_VM_REGIONS] = { { - .virt_pgno = CONFIG_SYS_FLASH_BASE >> PAGE_SHIFT, - .nr_pages = CONFIG_SYS_FLASH_SIZE >> PAGE_SHIFT, - .phys = (CONFIG_SYS_FLASH_BASE >> PAGE_SHIFT) + .virt_pgno = CONFIG_SYS_FLASH_BASE >> MMU_PAGE_SHIFT, + .nr_pages = CONFIG_SYS_FLASH_SIZE >> MMU_PAGE_SHIFT, + .phys = (CONFIG_SYS_FLASH_BASE >> MMU_PAGE_SHIFT) | MMU_VMR_CACHE_NONE, }, { - .virt_pgno = EBI_SRAM_CS2_BASE >> PAGE_SHIFT, - .nr_pages = EBI_SRAM_CS2_SIZE >> PAGE_SHIFT, - .phys = (EBI_SRAM_CS2_BASE >> PAGE_SHIFT) + .virt_pgno = EBI_SRAM_CS2_BASE >> MMU_PAGE_SHIFT, + .nr_pages = EBI_SRAM_CS2_SIZE >> MMU_PAGE_SHIFT, + .phys = (EBI_SRAM_CS2_BASE >> MMU_PAGE_SHIFT) | MMU_VMR_CACHE_NONE, }, { - .virt_pgno = CONFIG_SYS_SDRAM_BASE >> PAGE_SHIFT, - .nr_pages = EBI_SDRAM_SIZE >> PAGE_SHIFT, - .phys = (CONFIG_SYS_SDRAM_BASE >> PAGE_SHIFT) + .virt_pgno = CONFIG_SYS_SDRAM_BASE >> MMU_PAGE_SHIFT, + .nr_pages = EBI_SDRAM_SIZE >> MMU_PAGE_SHIFT, + .phys = (CONFIG_SYS_SDRAM_BASE >> MMU_PAGE_SHIFT) | MMU_VMR_CACHE_WRBACK, }, }; diff --git a/board/miromico/hammerhead/hammerhead.c b/board/miromico/hammerhead/hammerhead.c index d82fee7..e9a9e4b 100644 --- a/board/miromico/hammerhead/hammerhead.c +++ b/board/miromico/hammerhead/hammerhead.c @@ -21,14 +21,14 @@ DECLARE_GLOBAL_DATA_PTR; struct mmu_vm_range mmu_vmr_table[CONFIG_SYS_NR_VM_REGIONS] = { { - .virt_pgno = CONFIG_SYS_FLASH_BASE >> PAGE_SHIFT, - .nr_pages = CONFIG_SYS_FLASH_SIZE >> PAGE_SHIFT, - .phys = (CONFIG_SYS_FLASH_BASE >> PAGE_SHIFT) + .virt_pgno = CONFIG_SYS_FLASH_BASE >> MMU_PAGE_SHIFT, + .nr_pages = CONFIG_SYS_FLASH_SIZE >> MMU_PAGE_SHIFT, + .phys = (CONFIG_SYS_FLASH_BASE >> MMU_PAGE_SHIFT) | MMU_VMR_CACHE_NONE, }, { - .virt_pgno = CONFIG_SYS_SDRAM_BASE >> PAGE_SHIFT, - .nr_pages = EBI_SDRAM_SIZE >> PAGE_SHIFT, - .phys = (CONFIG_SYS_SDRAM_BASE >> PAGE_SHIFT) + .virt_pgno = CONFIG_SYS_SDRAM_BASE >> MMU_PAGE_SHIFT, + .nr_pages = EBI_SDRAM_SIZE >> MMU_PAGE_SHIFT, + .phys = (CONFIG_SYS_SDRAM_BASE >> MMU_PAGE_SHIFT) | MMU_VMR_CACHE_WRBACK, }, }; -- cgit v0.10.2 From 186678600a3aa81f883e4bf4b94ca4d40081d93a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andreas=20Bie=C3=9Fmann?= Date: Fri, 6 Feb 2015 23:06:43 +0100 Subject: avr32: convert to dram_init() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Andreas Bießmann Reviewed-by: Simon Glass diff --git a/arch/avr32/include/asm/u-boot.h b/arch/avr32/include/asm/u-boot.h index 2387f8a..232350e 100644 --- a/arch/avr32/include/asm/u-boot.h +++ b/arch/avr32/include/asm/u-boot.h @@ -26,5 +26,6 @@ typedef struct bd_info { #define IH_ARCH_DEFAULT IH_ARCH_AVR32 int arch_cpu_init(void); +int dram_init(void); #endif /* __ASM_U_BOOT_H__ */ diff --git a/arch/avr32/lib/Makefile b/arch/avr32/lib/Makefile index bb45cbe..5f2d97b 100644 --- a/arch/avr32/lib/Makefile +++ b/arch/avr32/lib/Makefile @@ -11,3 +11,4 @@ obj-y += memset.o obj-y += board.o obj-$(CONFIG_CMD_BOOTM) += bootm.o obj-y += interrupts.o +obj-y += dram_init.o diff --git a/arch/avr32/lib/board.c b/arch/avr32/lib/board.c index e86530f..13b7fed 100644 --- a/arch/avr32/lib/board.c +++ b/arch/avr32/lib/board.c @@ -29,6 +29,12 @@ DECLARE_GLOBAL_DATA_PTR; unsigned long monitor_flash_len; +__weak void dram_init_banksize(void) +{ + gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; + gd->bd->bi_dram[0].size = gd->ram_size; +} + /* Weak aliases for optional board functions */ static int __do_nothing(void) { @@ -82,7 +88,6 @@ void board_init_f(ulong board_type) unsigned long monitor_len; unsigned long monitor_addr; unsigned long addr; - long sdram_size; /* Initialize the global data pointer */ memset(&gd_data, 0, sizeof(gd_data)); @@ -97,10 +102,10 @@ void board_init_f(ulong board_type) serial_init(); console_init_f(); display_banner(); - sdram_size = initdram(board_type); + dram_init(); /* If we have no SDRAM, we can't go on */ - if (sdram_size <= 0) + if (gd->ram_size <= 0) panic("No working SDRAM available\n"); /* @@ -114,7 +119,7 @@ void board_init_f(ulong board_type) * - global data struct * - stack */ - addr = CONFIG_SYS_SDRAM_BASE + sdram_size; + addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size; monitor_len = (char *)(&__bss_end) - _text; /* @@ -156,12 +161,7 @@ void board_init_f(ulong board_type) *(--new_sp) = 0; *(--new_sp) = 0; - /* - * Initialize the board information struct with the - * information we have. - */ - bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; - bd->bi_dram[0].size = sdram_size; + dram_init_banksize(); memcpy(new_gd, gd, sizeof(gd_t)); diff --git a/arch/avr32/lib/dram_init.c b/arch/avr32/lib/dram_init.c new file mode 100644 index 0000000..5078e77 --- /dev/null +++ b/arch/avr32/lib/dram_init.c @@ -0,0 +1,17 @@ +/* + * Copyright (C) 2015 Andreas Bießmann + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include + +DECLARE_GLOBAL_DATA_PTR; + +int dram_init(void) +{ + /* check for the maximum amount of memory possible on AP7000 devices */ + gd->ram_size = get_ram_size( + (void *)CONFIG_SYS_SDRAM_BASE, + (256<<20)); + return 0; +} diff --git a/board/atmel/atngw100/atngw100.c b/board/atmel/atngw100/atngw100.c index ed09c8c..dacd427 100644 --- a/board/atmel/atngw100/atngw100.c +++ b/board/atmel/atngw100/atngw100.c @@ -52,6 +52,8 @@ int board_early_init_f(void) hmatrix_slave_write(EBI, SFR, HMATRIX_BIT(EBI_SDRAM_ENABLE)); portmux_enable_ebi(16, 23, 0, PORTMUX_DRIVE_HIGH); + sdram_init(uncached(EBI_SDRAM_BASE), &sdram_config); + portmux_enable_usart1(PORTMUX_DRIVE_MIN); #if defined(CONFIG_MACB) @@ -68,24 +70,6 @@ int board_early_init_f(void) return 0; } -phys_size_t initdram(int board_type) -{ - unsigned long expected_size; - unsigned long actual_size; - void *sdram_base; - - sdram_base = uncached(EBI_SDRAM_BASE); - - expected_size = sdram_init(sdram_base, &sdram_config); - actual_size = get_ram_size(sdram_base, expected_size); - - if (expected_size != actual_size) - printf("Warning: Only %lu of %lu MiB SDRAM is working\n", - actual_size >> 20, expected_size >> 20); - - return actual_size; -} - int board_early_init_r(void) { gd->bd->bi_phy_id[0] = 0x01; diff --git a/board/atmel/atngw100mkii/atngw100mkii.c b/board/atmel/atngw100mkii/atngw100mkii.c index 912ea10..8e215d5 100644 --- a/board/atmel/atngw100mkii/atngw100mkii.c +++ b/board/atmel/atngw100mkii/atngw100mkii.c @@ -69,6 +69,9 @@ int board_early_init_f(void) portmux_select_gpio(PORTMUX_PORT_E, 1 << 23, PORTMUX_DIR_OUTPUT | PORTMUX_INIT_HIGH | PORTMUX_DRIVE_MIN); + + sdram_init(uncached(EBI_SDRAM_BASE), &sdram_config); + portmux_enable_usart1(PORTMUX_DRIVE_MIN); #if defined(CONFIG_MACB) @@ -85,24 +88,6 @@ int board_early_init_f(void) return 0; } -phys_size_t initdram(int board_type) -{ - unsigned long expected_size; - unsigned long actual_size; - void *sdram_base; - - sdram_base = uncached(EBI_SDRAM_BASE); - - expected_size = sdram_init(sdram_base, &sdram_config); - actual_size = get_ram_size(sdram_base, expected_size); - - if (expected_size != actual_size) - printf("Warning: Only %lu of %lu MiB SDRAM is working\n", - actual_size >> 20, expected_size >> 20); - - return actual_size; -} - int board_early_init_r(void) { gd->bd->bi_phy_id[0] = 0x01; diff --git a/board/atmel/atstk1000/atstk1000.c b/board/atmel/atstk1000/atstk1000.c index f354694..fd4363b 100644 --- a/board/atmel/atstk1000/atstk1000.c +++ b/board/atmel/atstk1000/atstk1000.c @@ -78,7 +78,10 @@ int board_early_init_f(void) hmatrix_slave_write(EBI, SFR, HMATRIX_BIT(EBI_SDRAM_ENABLE)); portmux_enable_ebi(sdram_config.data_bits, 23, 0, PORTMUX_DRIVE_HIGH); + sdram_init(uncached(EBI_SDRAM_BASE), &sdram_config); + portmux_enable_usart1(PORTMUX_DRIVE_MIN); + #if defined(CONFIG_MACB) portmux_enable_macb0(PORTMUX_MACB_MII, PORTMUX_DRIVE_LOW); portmux_enable_macb1(PORTMUX_MACB_MII, PORTMUX_DRIVE_LOW); @@ -90,24 +93,6 @@ int board_early_init_f(void) return 0; } -phys_size_t initdram(int board_type) -{ - unsigned long expected_size; - unsigned long actual_size; - void *sdram_base; - - sdram_base = uncached(EBI_SDRAM_BASE); - - expected_size = sdram_init(sdram_base, &sdram_config); - actual_size = get_ram_size(sdram_base, expected_size); - - if (expected_size != actual_size) - printf("Warning: Only %lu of %lu MiB SDRAM is working\n", - actual_size >> 20, expected_size >> 20); - - return actual_size; -} - int board_early_init_r(void) { gd->bd->bi_phy_id[0] = 0x10; diff --git a/board/earthlcd/favr-32-ezkit/favr-32-ezkit.c b/board/earthlcd/favr-32-ezkit/favr-32-ezkit.c index f9fde79..f9ac330 100644 --- a/board/earthlcd/favr-32-ezkit/favr-32-ezkit.c +++ b/board/earthlcd/favr-32-ezkit/favr-32-ezkit.c @@ -52,6 +52,9 @@ int board_early_init_f(void) hmatrix_slave_write(EBI, SFR, HMATRIX_BIT(EBI_SDRAM_ENABLE)); portmux_enable_ebi(32, 23, 0, PORTMUX_DRIVE_HIGH); + + sdram_init(uncached(EBI_SDRAM_BASE), &sdram_config); + portmux_enable_usart3(PORTMUX_DRIVE_MIN); #if defined(CONFIG_MACB) portmux_enable_macb0(PORTMUX_MACB_MII, PORTMUX_DRIVE_HIGH); @@ -63,24 +66,6 @@ int board_early_init_f(void) return 0; } -phys_size_t initdram(int board_type) -{ - unsigned long expected_size; - unsigned long actual_size; - void *sdram_base; - - sdram_base = uncached(EBI_SDRAM_BASE); - - expected_size = sdram_init(sdram_base, &sdram_config); - actual_size = get_ram_size(sdram_base, expected_size); - - if (expected_size != actual_size) - printf("Warning: Only %lu of %lu MiB SDRAM is working\n", - actual_size >> 20, expected_size >> 20); - - return actual_size; -} - int board_early_init_r(void) { gd->bd->bi_phy_id[0] = 0x01; diff --git a/board/in-circuit/grasshopper/grasshopper.c b/board/in-circuit/grasshopper/grasshopper.c index 2ac54db..91b4116 100644 --- a/board/in-circuit/grasshopper/grasshopper.c +++ b/board/in-circuit/grasshopper/grasshopper.c @@ -53,6 +53,8 @@ int board_early_init_f(void) hmatrix_slave_write(EBI, SFR, HMATRIX_BIT(EBI_SDRAM_ENABLE)); portmux_enable_ebi(SDRAM_DATA_32BIT, 23, 0, PORTMUX_DRIVE_HIGH); + sdram_init(uncached(EBI_SDRAM_BASE), &sdram_config); + portmux_enable_usart0(PORTMUX_DRIVE_MIN); portmux_enable_usart1(PORTMUX_DRIVE_MIN); #if defined(CONFIG_MACB) @@ -69,24 +71,6 @@ int board_early_init_f(void) return 0; } -phys_size_t initdram(int board_type) -{ - unsigned long expected_size; - unsigned long actual_size; - void *sdram_base; - - sdram_base = uncached(EBI_SDRAM_BASE); - - expected_size = sdram_init(sdram_base, &sdram_config); - actual_size = get_ram_size(sdram_base, expected_size); - - if (expected_size != actual_size) - printf("Warning: Only %lu of %lu MiB SDRAM is working\n", - actual_size >> 20, expected_size >> 20); - - return actual_size; -} - int board_early_init_r(void) { gd->bd->bi_phy_id[0] = 0x00; diff --git a/board/mimc/mimc200/mimc200.c b/board/mimc/mimc200/mimc200.c index 186ac7d..f078295 100644 --- a/board/mimc/mimc200/mimc200.c +++ b/board/mimc/mimc200/mimc200.c @@ -91,6 +91,8 @@ int board_early_init_f(void) /* Enable 26 address bits and NCS2 */ portmux_enable_ebi(16, 26, PORTMUX_EBI_CS(2), PORTMUX_DRIVE_HIGH); + sdram_init(uncached(EBI_SDRAM_BASE), &sdram_config); + portmux_enable_usart1(PORTMUX_DRIVE_MIN); /* de-assert "force sys reset" pin */ @@ -151,24 +153,6 @@ int board_early_init_f(void) return 0; } -phys_size_t initdram(int board_type) -{ - unsigned long expected_size; - unsigned long actual_size; - void *sdram_base; - - sdram_base = uncached(EBI_SDRAM_BASE); - - expected_size = sdram_init(sdram_base, &sdram_config); - actual_size = get_ram_size(sdram_base, expected_size); - - if (expected_size != actual_size) - printf("Warning: Only %lu of %lu MiB SDRAM is working\n", - actual_size >> 20, expected_size >> 20); - - return actual_size; -} - int board_early_init_r(void) { gd->bd->bi_phy_id[0] = 0x01; diff --git a/board/miromico/hammerhead/hammerhead.c b/board/miromico/hammerhead/hammerhead.c index e9a9e4b..a0c7d3b 100644 --- a/board/miromico/hammerhead/hammerhead.c +++ b/board/miromico/hammerhead/hammerhead.c @@ -63,6 +63,8 @@ int board_early_init_f(void) hmatrix_slave_write(EBI, SFR, HMATRIX_BIT(EBI_SDRAM_ENABLE)); portmux_enable_ebi(32, 23, 0, PORTMUX_DRIVE_HIGH); + sdram_init(uncached(EBI_SDRAM_BASE), &sdram_config); + portmux_enable_usart1(PORTMUX_DRIVE_MIN); #if defined(CONFIG_MACB) @@ -74,24 +76,6 @@ int board_early_init_f(void) return 0; } -phys_size_t initdram(int board_type) -{ - unsigned long expected_size; - unsigned long actual_size; - void *sdram_base; - - sdram_base = uncached(EBI_SDRAM_BASE); - - expected_size = sdram_init(sdram_base, &sdram_config); - actual_size = get_ram_size(sdram_base, expected_size); - - if (expected_size != actual_size) - printf("Warning: Only %lu of %lu MiB SDRAM is working\n", - actual_size >> 20, expected_size >> 20); - - return actual_size; -} - int board_early_init_r(void) { gd->bd->bi_phy_id[0] = 0x01; -- cgit v0.10.2 From 4db896236cdac37db17b215ba3ff2d2701bddb49 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andreas=20Bie=C3=9Fmann?= Date: Fri, 6 Feb 2015 23:06:44 +0100 Subject: avr32: use generic gd->start_addr_sp MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Before avr32 had an extra storage for stack end to have a nice stack printout on exception. Remove this extra storage and use generic gd->start_addr_sp instead. Signed-off-by: Andreas Bießmann diff --git a/arch/avr32/cpu/exception.c b/arch/avr32/cpu/exception.c index 5d1bc68..d6991f6 100644 --- a/arch/avr32/cpu/exception.c +++ b/arch/avr32/cpu/exception.c @@ -96,11 +96,11 @@ void do_unknown_exception(unsigned int ecr, struct pt_regs *regs) printf("CPU Mode: %s\n", cpu_modes[mode]); /* Avoid exception loops */ - if (regs->sp < (gd->arch.stack_end - CONFIG_STACKSIZE) - || regs->sp >= gd->arch.stack_end) + if (regs->sp < (gd->start_addr_sp - CONFIG_STACKSIZE) || + regs->sp >= gd->start_addr_sp) printf("\nStack pointer seems bogus, won't do stack dump\n"); else - dump_mem("\nStack: ", regs->sp, gd->arch.stack_end); + dump_mem("\nStack: ", regs->sp, gd->start_addr_sp); panic("Unhandled exception\n"); } diff --git a/arch/avr32/include/asm/global_data.h b/arch/avr32/include/asm/global_data.h index d82fb7c..60abd00 100644 --- a/arch/avr32/include/asm/global_data.h +++ b/arch/avr32/include/asm/global_data.h @@ -8,7 +8,6 @@ /* Architecture-specific global data */ struct arch_global_data { - unsigned long stack_end; /* highest stack address */ unsigned long cpu_hz; /* cpu core clock frequency */ }; diff --git a/arch/avr32/lib/board.c b/arch/avr32/lib/board.c index 13b7fed..99aa96e 100644 --- a/arch/avr32/lib/board.c +++ b/arch/avr32/lib/board.c @@ -157,7 +157,7 @@ void board_init_f(ulong board_type) /* And finally, a new, bigger stack. */ new_sp = (unsigned long *)addr; - gd->arch.stack_end = addr; + gd->start_addr_sp = addr; *(--new_sp) = 0; *(--new_sp) = 0; -- cgit v0.10.2 From 68145d4c7b3aa83d74c2dc904a39fab17cee1691 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andreas=20Bie=C3=9Fmann?= Date: Fri, 6 Feb 2015 23:06:45 +0100 Subject: common/board_f: factor out reserve_stacks MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Introduce arch_reserve_stacks() to tailor gd->start_addr_sp and gd->irq_sp to the architecture needs. Signed-off-by: Andreas Bießmann Reviewed-by: Simon Glass diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile index d74e4b8..da8ed72 100644 --- a/arch/arm/lib/Makefile +++ b/arch/arm/lib/Makefile @@ -35,6 +35,7 @@ endif obj-$(CONFIG_SEMIHOSTING) += semihosting.o obj-y += sections.o +obj-y += stack.o ifdef CONFIG_ARM64 obj-y += gic_64.o obj-y += interrupts_64.o diff --git a/arch/arm/lib/stack.c b/arch/arm/lib/stack.c new file mode 100644 index 0000000..cf10a53 --- /dev/null +++ b/arch/arm/lib/stack.c @@ -0,0 +1,42 @@ +/* + * Copyright (c) 2015 Andreas Bießmann + * + * Copyright (c) 2011 The Chromium OS Authors. + * (C) Copyright 2002-2006 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH + * Marius Groeger + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include + +DECLARE_GLOBAL_DATA_PTR; + +int arch_reserve_stacks(void) +{ +#ifdef CONFIG_SPL_BUILD + gd->start_addr_sp -= 128; /* leave 32 words for abort-stack */ + gd->irq_sp = gd->start_addr_sp; +#else + /* setup stack pointer for exceptions */ + gd->irq_sp = gd->start_addr_sp; + +# if !defined(CONFIG_ARM64) +# ifdef CONFIG_USE_IRQ + gd->start_addr_sp -= (CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ); + debug("Reserving %zu Bytes for IRQ stack at: %08lx\n", + CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ, gd->start_addr_sp); + + /* 8-byte alignment for ARM ABI compliance */ + gd->start_addr_sp &= ~0x07; +# endif + /* leave 3 words for abort-stack, plus 1 for alignment */ + gd->start_addr_sp -= 16; +# endif +#endif + + return 0; +} diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile index 0f62982..05b22bb 100644 --- a/arch/powerpc/lib/Makefile +++ b/arch/powerpc/lib/Makefile @@ -40,6 +40,7 @@ obj-y += extable.o obj-y += interrupts.o obj-$(CONFIG_CMD_KGDB) += kgdb.o obj-$(CONFIG_CMD_IDE) += ide.o +obj-y += stack.o obj-y += time.o # Don't include the MPC5xxx special memcpy into the diff --git a/arch/powerpc/lib/stack.c b/arch/powerpc/lib/stack.c new file mode 100644 index 0000000..1985f03 --- /dev/null +++ b/arch/powerpc/lib/stack.c @@ -0,0 +1,31 @@ +/* + * Copyright (c) 2015 Andreas Bießmann + * + * Copyright (c) 2011 The Chromium OS Authors. + * (C) Copyright 2002-2006 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH + * Marius Groeger + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include + +DECLARE_GLOBAL_DATA_PTR; + +int arch_reserve_stacks(void) +{ + ulong *s; + + /* setup stack pointer for exceptions */ + gd->irq_sp = gd->start_addr_sp; + + /* Clear initial stack frame */ + s = (ulong *)gd->start_addr_sp; + *s = 0; /* Terminate back chain */ + *++s = 0; /* NULL return address */ + + return 0; +} diff --git a/common/board_f.c b/common/board_f.c index 2c10215..ef3f036 100644 --- a/common/board_f.c +++ b/common/board_f.c @@ -573,48 +573,22 @@ static int reserve_fdt(void) return 0; } -static int reserve_stacks(void) +int arch_reserve_stacks(void) { -#ifdef CONFIG_SPL_BUILD -# ifdef CONFIG_ARM - gd->start_addr_sp -= 128; /* leave 32 words for abort-stack */ - gd->irq_sp = gd->start_addr_sp; -# endif -#else -# ifdef CONFIG_PPC - ulong *s; -# endif + return 0; +} - /* setup stack pointer for exceptions */ +static int reserve_stacks(void) +{ + /* make stack pointer 16-byte aligned */ gd->start_addr_sp -= 16; gd->start_addr_sp &= ~0xf; - gd->irq_sp = gd->start_addr_sp; /* - * Handle architecture-specific things here - * TODO(sjg@chromium.org): Perhaps create arch_reserve_stack() - * to handle this and put in arch/xxx/lib/stack.c + * let the architecture specific code tailor gd->start_addr_sp and + * gd->irq_sp */ -# if defined(CONFIG_ARM) && !defined(CONFIG_ARM64) -# ifdef CONFIG_USE_IRQ - gd->start_addr_sp -= (CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ); - debug("Reserving %zu Bytes for IRQ stack at: %08lx\n", - CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ, gd->start_addr_sp); - - /* 8-byte alignment for ARM ABI compliance */ - gd->start_addr_sp &= ~0x07; -# endif - /* leave 3 words for abort-stack, plus 1 for alignment */ - gd->start_addr_sp -= 16; -# elif defined(CONFIG_PPC) - /* Clear initial stack frame */ - s = (ulong *) gd->start_addr_sp; - *s = 0; /* Terminate back chain */ - *++s = 0; /* NULL return address */ -# endif /* Architecture specific code */ - - return 0; -#endif + return arch_reserve_stacks(); } static int display_new_sp(void) diff --git a/include/common.h b/include/common.h index 9129454..77c55c6 100644 --- a/include/common.h +++ b/include/common.h @@ -253,6 +253,24 @@ int update_flash_size(int flash_size); int arch_early_init_r(void); /** + * Reserve all necessary stacks + * + * This is used in generic board init sequence in common/board_f.c. Each + * architecture could provide this function to tailor the required stacks. + * + * On entry gd->start_addr_sp is pointing to the suggested top of the stack. + * The callee ensures gd->start_add_sp is 16-byte aligned, so architectures + * require only this can leave it untouched. + * + * On exit gd->start_addr_sp and gd->irq_sp should be set to the respective + * positions of the stack. The stack pointer(s) will be set to this later. + * gd->irq_sp is only required, if the architecture needs it. + * + * @return 0 if no error + */ +__weak int arch_reserve_stacks(void); + +/** * Show the DRAM size in a board-specific way * * This is used by boards to display DRAM information in their own way. -- cgit v0.10.2 From c722f0b026249385bbbcec4f5be9bd3abd69342c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andreas=20Bie=C3=9Fmann?= Date: Fri, 6 Feb 2015 23:06:47 +0100 Subject: common/board_r: allocate bootparams MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Andreas Bießmann Reviewed-by: Simon Glass diff --git a/common/board_r.c b/common/board_r.c index 907b33c..f0b4f9d 100644 --- a/common/board_r.c +++ b/common/board_r.c @@ -459,6 +459,18 @@ static int initr_env(void) return 0; } +#ifdef CONFIG_SYS_BOOTPARAMS_LEN +static int initr_malloc_bootparams(void) +{ + gd->bd->bi_boot_params = (ulong)malloc(CONFIG_SYS_BOOTPARAMS_LEN); + if (!gd->bd->bi_boot_params) { + puts("WARNING: Cannot allocate space for boot parameters\n"); + return -ENOMEM; + } + return 0; +} +#endif + #ifdef CONFIG_SC3 /* TODO: with new initcalls, move this into the driver */ extern void sc3_read_eeprom(void); @@ -775,6 +787,9 @@ init_fnc_t init_sequence_r[] = { initr_dataflash, #endif initr_env, +#ifdef CONFIG_SYS_BOOTPARAMS_LEN + initr_malloc_bootparams, +#endif INIT_FUNC_WATCHDOG_RESET initr_secondary_cpu, #ifdef CONFIG_SC3 -- cgit v0.10.2 From a752a8b4c49d67daa4ea9f9ebac3972bb1c2328b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andreas=20Bie=C3=9Fmann?= Date: Fri, 6 Feb 2015 23:06:48 +0100 Subject: avr32: add generic board support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Andreas Bießmann diff --git a/arch/avr32/config.mk b/arch/avr32/config.mk index 469185e..8252f59 100644 --- a/arch/avr32/config.mk +++ b/arch/avr32/config.mk @@ -9,6 +9,9 @@ ifeq ($(CROSS_COMPILE),) CROSS_COMPILE := avr32-linux- endif +# avr32 has generic board support +__HAVE_ARCH_GENERIC_BOARD := y + CONFIG_STANDALONE_LOAD_ADDR ?= 0x00000000 PLATFORM_RELFLAGS += -ffixed-r5 -fPIC -mno-init-got -mrelax diff --git a/arch/avr32/cpu/u-boot.lds b/arch/avr32/cpu/u-boot.lds index cb29a22..b0180e3 100644 --- a/arch/avr32/cpu/u-boot.lds +++ b/arch/avr32/cpu/u-boot.lds @@ -48,9 +48,11 @@ SECTIONS _edata = .; .bss (NOLOAD) : { + __bss_start = .; *(.bss) *(.bss.*) } . = ALIGN(8); __bss_end = .; + __init_end = .; } diff --git a/arch/avr32/include/asm/config.h b/arch/avr32/include/asm/config.h index 63056a4..529fe22 100644 --- a/arch/avr32/include/asm/config.h +++ b/arch/avr32/include/asm/config.h @@ -8,5 +8,6 @@ #define _ASM_CONFIG_H_ #define CONFIG_NEEDS_MANUAL_RELOC +#define CONFIG_SYS_GENERIC_GLOBAL_DATA #endif diff --git a/arch/avr32/include/asm/u-boot.h b/arch/avr32/include/asm/u-boot.h index 232350e..8b047ec 100644 --- a/arch/avr32/include/asm/u-boot.h +++ b/arch/avr32/include/asm/u-boot.h @@ -6,6 +6,11 @@ #ifndef __ASM_U_BOOT_H__ #define __ASM_U_BOOT_H__ 1 +#ifdef CONFIG_SYS_GENERIC_BOARD +/* Use the generic board which requires a unified bd_info */ +#include +#else + typedef struct bd_info { unsigned char bi_phy_id[4]; unsigned long bi_board_number; @@ -22,6 +27,8 @@ typedef struct bd_info { #define bi_memstart bi_dram[0].start #define bi_memsize bi_dram[0].size +#endif + /* For image.h:image_check_target_arch() */ #define IH_ARCH_DEFAULT IH_ARCH_AVR32 diff --git a/arch/avr32/lib/Makefile b/arch/avr32/lib/Makefile index 5f2d97b..6750913 100644 --- a/arch/avr32/lib/Makefile +++ b/arch/avr32/lib/Makefile @@ -8,7 +8,9 @@ # obj-y += memset.o +ifndef CONFIG_SYS_GENERIC_BOARD obj-y += board.o +endif obj-$(CONFIG_CMD_BOOTM) += bootm.o obj-y += interrupts.o obj-y += dram_init.o diff --git a/arch/avr32/lib/interrupts.c b/arch/avr32/lib/interrupts.c index bacb2d1..5f3a49e 100644 --- a/arch/avr32/lib/interrupts.c +++ b/arch/avr32/lib/interrupts.c @@ -7,6 +7,11 @@ #include +int interrupt_init(void) +{ + return 0; +} + void enable_interrupts(void) { asm volatile("csrf %0" : : "n"(SYSREG_GM_OFFSET)); diff --git a/common/board_f.c b/common/board_f.c index ef3f036..4d8b8a6 100644 --- a/common/board_f.c +++ b/common/board_f.c @@ -883,7 +883,7 @@ static init_fnc_t init_sequence_f[] = { #endif announce_dram_init, /* TODO: unify all these dram functions? */ -#if defined(CONFIG_ARM) || defined(CONFIG_X86) || defined(CONFIG_MICROBLAZE) +#if defined(CONFIG_ARM) || defined(CONFIG_X86) || defined(CONFIG_MICROBLAZE) || defined(CONFIG_AVR32) dram_init, /* configure available RAM banks */ #endif #if defined(CONFIG_MIPS) || defined(CONFIG_PPC) diff --git a/common/board_r.c b/common/board_r.c index f0b4f9d..4fcd4f6 100644 --- a/common/board_r.c +++ b/common/board_r.c @@ -55,6 +55,9 @@ #include #include #include +#ifdef CONFIG_AVR32 +#include +#endif DECLARE_GLOBAL_DATA_PTR; @@ -498,7 +501,7 @@ static int initr_api(void) #endif /* enable exceptions */ -#ifdef CONFIG_ARM +#if defined(CONFIG_ARM) || defined(CONFIG_AVR32) static int initr_enable_interrupts(void) { enable_interrupts(); @@ -825,10 +828,10 @@ init_fnc_t init_sequence_r[] = { initr_kgdb, #endif interrupt_init, -#if defined(CONFIG_ARM) +#if defined(CONFIG_ARM) || defined(CONFIG_AVR32) initr_enable_interrupts, #endif -#if defined(CONFIG_X86) || defined(CONFIG_MICROBLAZE) +#if defined(CONFIG_X86) || defined(CONFIG_MICROBLAZE) || defined(CONFIG_AVR32) timer_init, /* initialize timer */ #endif #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT) @@ -893,6 +896,10 @@ void board_init_r(gd_t *new_gd, ulong dest_addr) int i; #endif +#ifdef CONFIG_AVR32 + mmu_init_r(dest_addr); +#endif + #if !defined(CONFIG_X86) && !defined(CONFIG_ARM) && !defined(CONFIG_ARM64) gd = new_gd; #endif diff --git a/common/cmd_bdinfo.c b/common/cmd_bdinfo.c index e9eab23..aa81da2 100644 --- a/common/cmd_bdinfo.c +++ b/common/cmd_bdinfo.c @@ -345,8 +345,8 @@ int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) bd_t *bd = gd->bd; print_num("boot_params", (ulong)bd->bi_boot_params); - print_num("memstart", (ulong)bd->bi_memstart); - print_lnum("memsize", (u64)bd->bi_memsize); + print_num("memstart", (ulong)bd->bi_dram[0].start); + print_lnum("memsize", (u64)bd->bi_dram[0].size); print_num("flashstart", (ulong)bd->bi_flashstart); print_num("flashsize", (ulong)bd->bi_flashsize); print_num("flashoffset", (ulong)bd->bi_flashoffset); diff --git a/include/asm-generic/u-boot.h b/include/asm-generic/u-boot.h index aef39d7..a63a87a 100644 --- a/include/asm-generic/u-boot.h +++ b/include/asm-generic/u-boot.h @@ -32,6 +32,10 @@ typedef struct bd_info { unsigned long bi_flashoffset; /* reserved area for startup monitor */ unsigned long bi_sramstart; /* start of SRAM memory */ unsigned long bi_sramsize; /* size of SRAM memory */ +#ifdef CONFIG_AVR32 + unsigned char bi_phy_id[4]; /* PHY address for ATAG_ETHERNET */ + unsigned long bi_board_number;/* ATAG_BOARDINFO */ +#endif #ifdef CONFIG_ARM unsigned long bi_arm_freq; /* arm frequency */ unsigned long bi_dsp_freq; /* dsp core frequency */ -- cgit v0.10.2 From 573feec8a43bd1b44134a1a5ce10676b577d0358 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andreas=20Bie=C3=9Fmann?= Date: Fri, 6 Feb 2015 23:06:49 +0100 Subject: grasshopper: enable generic board MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Andreas Bießmann diff --git a/include/configs/grasshopper.h b/include/configs/grasshopper.h index 83f0ed2..54eb977 100644 --- a/include/configs/grasshopper.h +++ b/include/configs/grasshopper.h @@ -62,6 +62,10 @@ #define CONFIG_USART_BASE ATMEL_BASE_USART1 #define CONFIG_USART_ID 1 +#define CONFIG_SYS_GENERIC_BOARD +#define CONFIG_BOARD_EARLY_INIT_F +#define CONFIG_BOARD_EARLY_INIT_R + /* User serviceable stuff */ #define CONFIG_CMDLINE_TAG #define CONFIG_SETUP_MEMORY_TAGS -- cgit v0.10.2 From 5c98d7ffb0b11c9e3909f56ec5ce9dff682f1e30 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andreas=20Bie=C3=9Fmann?= Date: Fri, 6 Feb 2015 23:06:50 +0100 Subject: atstk1002: enable generic board MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Andreas Bießmann diff --git a/include/configs/atstk1002.h b/include/configs/atstk1002.h index 9e58238..a9c064a 100644 --- a/include/configs/atstk1002.h +++ b/include/configs/atstk1002.h @@ -104,6 +104,10 @@ #define CONFIG_BOOTP_SUBNETMASK #define CONFIG_BOOTP_GATEWAY +/* generic board */ +#define CONFIG_SYS_GENERIC_BOARD +#define CONFIG_BOARD_EARLY_INIT_F +#define CONFIG_BOARD_EARLY_INIT_R /* * Command line configuration. -- cgit v0.10.2