diff options
-rw-r--r-- | recipes/u-boot/u-boot-2009.03/hipox/01-hipox-fix-gmac-reset.patch | 16 | ||||
-rw-r--r-- | recipes/u-boot/u-boot-2009.03/hipox/02-hipox-enable-mmu.patch | 281 | ||||
-rw-r--r-- | recipes/u-boot/u-boot_2009.03.bb | 7 |
3 files changed, 302 insertions, 2 deletions
diff --git a/recipes/u-boot/u-boot-2009.03/hipox/01-hipox-fix-gmac-reset.patch b/recipes/u-boot/u-boot-2009.03/hipox/01-hipox-fix-gmac-reset.patch new file mode 100644 index 0000000000..e233f532db --- /dev/null +++ b/recipes/u-boot/u-boot-2009.03/hipox/01-hipox-fix-gmac-reset.patch @@ -0,0 +1,16 @@ +diff -Nurd u-boot-2009.03.orig/board/hipox/eth.c u-boot-2009.03/board/hipox/eth.c +--- u-boot-2009.03.orig/board/hipox/eth.c 2009-04-20 16:00:48.000000000 +0200 ++++ u-boot-2009.03/board/hipox/eth.c 2009-04-20 16:01:54.000000000 +0200 +@@ -1415,6 +1415,12 @@ + // Disable all GMAC interrupts + dma_reg_write(priv, DMA_INT_ENABLE_REG, 0); + ++#ifdef CONFIG_HIPOX ++ // reset phy first, preventing lock up after linux warm start ++ if (phy_detect()) ++ start_phy_reset(); ++#endif ++ + // Reset the entire GMAC + dma_reg_write(priv, DMA_BUS_MODE_REG, 1UL << DMA_BUS_MODE_SWR_BIT); + diff --git a/recipes/u-boot/u-boot-2009.03/hipox/02-hipox-enable-mmu.patch b/recipes/u-boot/u-boot-2009.03/hipox/02-hipox-enable-mmu.patch new file mode 100644 index 0000000000..b7ddf27d27 --- /dev/null +++ b/recipes/u-boot/u-boot-2009.03/hipox/02-hipox-enable-mmu.patch @@ -0,0 +1,281 @@ +diff -Nurd u-boot-2009.03.orig/cpu/arm926ejs/cpu.c u-boot-2009.03/cpu/arm926ejs/cpu.c +--- u-boot-2009.03.orig/cpu/arm926ejs/cpu.c 2009-04-20 16:00:48.000000000 +0200 ++++ u-boot-2009.03/cpu/arm926ejs/cpu.c 2009-04-20 16:03:56.000000000 +0200 +@@ -77,6 +77,245 @@ + for (i = 0; i < 100; i++); + } + ++#ifdef CONFIG_ARM926EJS ++#include <asm/io.h> ++ ++/* read co-processor 15, register #3 (domain register) */ ++static unsigned long read_p15_c3 (void) ++{ ++ unsigned long value; ++ ++ __asm__ __volatile__( ++ "mrc p15, 0, %0, c3, c0, 0 @ read domain reg\n" ++ : "=r" (value) ++ : ++ : "memory"); ++ ++#ifdef MMU_DEBUG ++ printf ("p15/c3 is = %08lx\n", value); ++#endif ++ return value; ++} ++ ++/* write to co-processor 15, register #3 (domain register) */ ++static void write_p15_c3 (unsigned long value) ++{ ++#ifdef MMU_DEBUG ++ printf ("write %08lx to p15/c3\n", value); ++#endif ++ __asm__ __volatile__( ++ "mcr p15, 0, %0, c3, c0, 0 @ write it back\n" ++ : ++ : "r" (value) ++ : "memory"); ++ ++ read_p15_c3 (); ++} ++ ++/* read co-processor 15, register #2 (ttb register) */ ++static unsigned long read_p15_c2 (void) ++{ ++ unsigned long value; ++ ++ __asm__ __volatile__( ++ "mrc p15, 0, %0, c2, c0, 0 @ read domain reg\n" ++ : "=r" (value) ++ : ++ : "memory"); ++ ++#ifdef MMU_DEBUG ++ printf ("p15/c2 is = %08lx\n", value); ++#endif ++ return value; ++} ++ ++/* write to co-processor 15, register #2 (ttb register) */ ++static void write_p15_c2 (unsigned long value) ++{ ++#ifdef MMU_DEBUG ++ printf ("write %08lx to p15/c2\n", value); ++#endif ++ __asm__ __volatile__( ++ "mcr p15, 0, %0, c2, c0, 0 @ write it back\n" ++ : ++ : "r" (value) ++ : "memory"); ++ ++ read_p15_c2 (); ++} ++ ++typedef struct { ++ unsigned int vAddress; ++ unsigned int ptAddress; ++ unsigned int masterPtAddress; ++ unsigned int type; ++ unsigned int dom; ++} Pagetable; ++ ++#define FAULT 0 ++#define COARSE 1 ++#define MASTER 2 ++#define FINE 3 ++ ++// put the page table before u-boot and heap, pagetable is 16kb ++#define MPT (TEXT_BASE - CONFIG_SYS_MALLOC_LEN - 64*1024) ++ ++/* Page Tables */ ++/* VADDRESS, PTADDRESS, PTTYPE, DOM */ ++Pagetable masterPT = {MPT, MPT, MPT, MASTER, 3}; ++ ++typedef struct { ++ unsigned int vAddress; ++ unsigned int pageSize; ++ unsigned int numPages; ++ unsigned int AP; ++ unsigned int CB; ++ unsigned int pAddress; ++ Pagetable *PT; ++} Region; ++ ++#define NANA 0x00 ++#define RWNA 0x01 ++#define RWRO 0x02 ++#define RWRW 0x03 ++ ++/* cb = not cached/not buffered */ ++/* cB = not Cached/Buffered */ ++/* Cb = Cached/not Buffered */ ++/* WT = write through cache */ ++/* WB = write back cache */ ++#define cb 0x0 ++#define cB 0x1 ++#define WT 0x2 ++#define WB 0x3 ++ ++/* REGION TABLES */ ++/* VADDRESS, PAGESIZE, NUMPAGES, AP, CB, PADDRESS, &PT */ ++ ++// create one region for all the 4GB memory space ++Region wholeRegion = ++ {0x00000000, 1024, 4096, RWRW, cb, 0x00000000, &masterPT}; ++ ++// Size of SDRAM, starting at PHYS_SDRAM_1_PA ++Region SDRAMRegion = ++ {PHYS_SDRAM_1_PA, 1024, PHYS_SDRAM_1_MAX_SIZE >> 20, RWRW, WT, PHYS_SDRAM_1_PA, &masterPT}; ++ ++static void mmuInitPT(Pagetable *pt) ++{ ++ int index; /* number of lines in PT/entries written per loop*/ ++ unsigned int PTE, *PTEptr; /* points to page table entry in PT */ ++ ++ PTEptr = (unsigned int *)pt->ptAddress; /* set pointer base PT */ ++ PTE = FAULT; ++ ++ for (index = 4096; index > 0; index--) ++ { ++ *PTEptr++ = PTE; ++ } ++} ++ ++static void mmuMapRegion(Region *region) ++{ ++ int i; ++ unsigned int *PTEptr, PTE; ++ ++ PTEptr = (unsigned int *)region->PT->ptAddress; /* base addr PT */ ++ PTEptr += region->vAddress >> 20; /* set to first PTE in region */ ++ PTEptr += region->numPages - 1; /* set to last PTE in region */ ++ PTE = region->pAddress & 0xfff00000; /* set physical address */ ++ PTE |= (region->AP & 0x3) << 10; /* set Access Permissions */ ++ PTE |= region->PT->dom << 5; /* set Domain for section */ ++ PTE |= (region->CB & 0x3) << 2; /* set Cache & WB attributes */ ++ PTE |= 0x12; /* set as section entry */ ++ ++ for (i=region->numPages - 1; i >= 0; i--) /* fill PTE in region */ ++ { ++ *PTEptr-- = PTE + (i << 20); /* i = 1 MB section */ ++ } ++} ++ ++static void mmuAttachPT(Pagetable *pt) /* attach L2 PT to L1 master PT */ ++{ ++ unsigned int *ttb; ++ ++ ttb = (unsigned int *)pt->masterPtAddress; /* read ttb from PT */ ++ ++ write_p15_c2((unsigned long)ttb); ++} ++ ++static void domainAccessSet(unsigned int value, unsigned int mask) ++{ ++ uint32_t reg; ++ ++ reg = read_p15_c3(); /* get domain reg. */ ++ ++ reg &= ~mask; /* clear bits that change */ ++ reg |= value; /* set bits that change */ ++ ++ cp_delay(); ++ write_p15_c3(reg); ++} ++ ++static void controlSet(unsigned int value, unsigned int mask) ++{ ++ uint32_t reg; ++ ++ reg = read_p15_c1(); /* get control reg. */ ++ ++ reg &= ~mask; /* clear bits that change */ ++ reg |= value; /* set bits that change */ ++ ++ cp_delay(); ++ write_p15_c1(reg); ++} ++ ++static void flushDCache(void) ++{ ++ unsigned int c7format = 0; ++ ++ __asm__ __volatile__( ++ "mcr p15, 0, %0, c7, c6, 0 @ invalidate caches \n\t" ++ : ++ : "r" (c7format) ++ : "memory"); ++} ++ ++#define DOM3CLT 0x00000040 ++#define CHANGEALLDOM 0xffffffff ++#define ENABLEMMU 0x00000001 ++#define ENABLEDCACHE 0x00000004 ++#define ENABLEICACHE 0x00001000 ++#define CHANGEMMU 0x00000001 ++#define CHANGEDCACHE 0x00000004 ++#define CHANGEICACHE 0x00001000 ++#define ENABLEWB 0x00000008 ++#define CHANGEWB 0x00000008 ++ ++static void mmu_enable(void) ++{ ++ int enable, change; ++ ++ /* Initialize system (fixed) page tables */ ++ mmuInitPT(&masterPT); /* init master L1 PT with FAULT PTE */ ++ ++ /* Filling page tables with translation & attribute data */ ++ mmuMapRegion(&wholeRegion); ++ mmuMapRegion(&SDRAMRegion); ++ ++ /* Activating page tables */ ++ mmuAttachPT(&masterPT); /* load L1 TTB to cp15:c2:c0 register */ ++ ++ /* Set Domain Access */ ++ domainAccessSet(DOM3CLT , CHANGEALLDOM); /* set Domain Access */ ++ ++ /* Enable MMU, caches and write buffer */ ++ enable = ENABLEMMU; ++ change = CHANGEMMU; ++ ++ controlSet(enable, change); /* enable cache and MMU */ ++} ++#endif ++ + /* See also ARM926EJ-S Technical Reference Manual */ + #define C1_MMU (1<<0) /* mmu off/on */ + #define C1_ALIGN (1<<1) /* alignment faults off/on */ +@@ -171,6 +410,20 @@ + + void dcache_enable(void) + { ++#ifdef CONFIG_ARM926EJS ++ int istat = icache_status(); ++ ++ if(istat) ++ icache_disable(); ++ ++ mmu_enable(); ++ ++ if(istat) ++ icache_enable(); ++ ++ flushDCache(); ++#endif ++ + cache_enable(C1_DC); + } + +diff -Nurd u-boot-2009.03.orig/include/configs/hipox.h u-boot-2009.03/include/configs/hipox.h +--- u-boot-2009.03.orig/include/configs/hipox.h 2009-04-20 16:00:48.000000000 +0200 ++++ u-boot-2009.03/include/configs/hipox.h 2009-04-20 16:03:56.000000000 +0200 +@@ -34,6 +34,7 @@ + #define CONFIG_CMD_DHCP + #define CONFIG_CMD_DIAG + #define CONFIG_CMD_PING ++#define CONFIG_CMD_CACHE + + /** + * Architecture diff --git a/recipes/u-boot/u-boot_2009.03.bb b/recipes/u-boot/u-boot_2009.03.bb index 11f2a0e441..a2c0c6fd7c 100644 --- a/recipes/u-boot/u-boot_2009.03.bb +++ b/recipes/u-boot/u-boot_2009.03.bb @@ -1,4 +1,4 @@ -PR = "r1" +PR = "r2" require u-boot.inc DEFAULT_PREFERENCE = "-1" @@ -6,7 +6,10 @@ DEFAULT_PREFERENCE_hipox = "1" SRC_URI = "ftp://ftp.denx.de/pub/u-boot/u-boot-${PV}.tar.bz2 " -SRC_URI_append_hipox = "file://00-hipox.patch;patch=1 " +SRC_URI_append_hipox = "file://00-hipox.patch;patch=1 \ + file://01-hipox-fix-gmac-reset.patch;patch=1 \ + file://02-hipox-enable-mmu.patch;patch=1 \ +" TARGET_LDFLAGS = "" |