mirror of
https://github.com/u-boot/u-boot.git
synced 2024-11-25 21:24:21 +08:00
Merge branch 'master' of git://git.denx.de/u-boot-arm
* 'master' of git://git.denx.de/u-boot-arm: ARM926EJS: Fix cache.c to comply with checkpatch.pl ARM926EJS: Make asm routines volatile in cache ops MX35: mx35pdk: wrong board revision ARM1136: MX35: Make asm routines volatile in cache ops ARM: add u-boot.imx as target for i.MX SOCs M28: Pull out CONFIG_APBH_DMA so it's always enabled DMA: Split the APBH DMA init into block and channel init imx: Return gpio_set_value in gpio_direction_output imx: Use GPIO_TO_PORT macro in the gpio driver instead of (gpio >> 5) imx: Add GPIO_TO_PORT macro in the mxc_gpio driver imx: Remove unneeded/repititive definitions from imx headers i.MX28: Allow coexistence of PIO and DMA mode for SD/MMC MX31: mx31pdk: drop enable_caches from board file i.MX28: Fix initial stack pointer position mx35: mx35pdk: fix when cache functions are linked mx35: flea3: fix when cache functions are linked ARM: 926ejs: use debug() for misaligned addresses ARM1136: add cache flush and invalidate operations mx6qsabrelite: Fix the serial console port mx6qsabrelite: Add boot switch setting information into the README i.MX6: mx6qsabrelite: add cache commands if cache is enabled i.MX6: implement enable_caches() i.MX6: define CACHELINE_SIZE MX53: DDR: Fix ZQHWCTRL field TZQ_CS mx28evk: Add a README file mx28: Split the README into a common part and a m28 specific part tricorder: Load kernel from ubifs tricorder: Add UBIFS cm-t35: fix Ethernet reset timing hawkboard: Add CONFIG_SPL_LIBGENERIC_SUPPORT BeagleBoard: Remove userbutton command and use gpio command instead OMAP: Move omap1510inn to Unmaintained / Orphaned
This commit is contained in:
Wolfgang Denk
commit
db39f24151
@ -669,10 +669,6 @@ Igor Grinberg <grinberg@compulab.co.il>
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||||
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cm-t35 ARM ARMV7 (OMAP3xx Soc)
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Kshitij Gupta <kshitij@ti.com>
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omap1510inn ARM925T
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Stefan Herbrechtsmeier <stefan@code.herbrechtsmeier.net>
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dns325 ARM926EJS (Kirkwood SoC)
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@ -941,6 +937,9 @@ Sughosh Ganu <urwithsughosh@gmail.com>
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Unknown / orphaned boards:
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Board CPU Last known maintainer / Comment
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.........................................................................
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omap1510inn ARM925T Kshitij Gupta <kshitij@ti.com>
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lubbock xscale/pxa Kyle Harris <kharris@nexus-tech.net> / dead address
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imx31_phycore_eet i.MX31 Guennadi Liakhovetski <g.liakhovetski@gmx.de> / resigned
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@ -70,8 +70,105 @@ int cleanup_before_linux (void)
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static void cache_flush(void)
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{
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unsigned long i = 0;
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asm ("mcr p15, 0, %0, c7, c10, 0": :"r" (i)); /* clean entire data cache */
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asm ("mcr p15, 0, %0, c7, c7, 0": :"r" (i)); /* invalidate both caches and flush btb */
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asm ("mcr p15, 0, %0, c7, c10, 4": :"r" (i)); /* mem barrier to sync things */
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/* clean entire data cache */
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asm volatile("mcr p15, 0, %0, c7, c10, 0" : : "r" (i));
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/* invalidate both caches and flush btb */
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asm volatile("mcr p15, 0, %0, c7, c7, 0" : : "r" (i));
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/* mem barrier to sync things */
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asm volatile("mcr p15, 0, %0, c7, c10, 4" : : "r" (i));
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}
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#ifndef CONFIG_SYS_DCACHE_OFF
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#ifndef CONFIG_SYS_CACHELINE_SIZE
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#define CONFIG_SYS_CACHELINE_SIZE 32
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#endif
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void invalidate_dcache_all(void)
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{
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asm volatile("mcr p15, 0, %0, c7, c6, 0" : : "r" (0));
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}
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void flush_dcache_all(void)
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{
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asm volatile("mcr p15, 0, %0, c7, c10, 0" : : "r" (0));
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asm volatile("mcr p15, 0, %0, c7, c10, 4" : : "r" (0));
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}
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static inline int bad_cache_range(unsigned long start, unsigned long stop)
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{
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int ok = 1;
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if (start & (CONFIG_SYS_CACHELINE_SIZE - 1))
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ok = 0;
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if (stop & (CONFIG_SYS_CACHELINE_SIZE - 1))
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ok = 0;
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if (!ok)
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debug("CACHE: Misaligned operation at range [%08lx, %08lx]\n",
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start, stop);
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return ok;
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}
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void invalidate_dcache_range(unsigned long start, unsigned long stop)
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{
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if (bad_cache_range(start, stop))
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return;
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while (start < stop) {
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asm volatile("mcr p15, 0, %0, c7, c6, 1" : : "r" (start));
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start += CONFIG_SYS_CACHELINE_SIZE;
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}
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}
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void flush_dcache_range(unsigned long start, unsigned long stop)
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{
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if (bad_cache_range(start, stop))
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return;
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while (start < stop) {
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asm volatile("mcr p15, 0, %0, c7, c14, 1" : : "r" (start));
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start += CONFIG_SYS_CACHELINE_SIZE;
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}
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asm volatile("mcr p15, 0, %0, c7, c10, 4" : : "r" (0));
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}
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void flush_cache(unsigned long start, unsigned long size)
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{
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flush_dcache_range(start, start + size);
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}
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void enable_caches(void)
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{
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#ifndef CONFIG_SYS_ICACHE_OFF
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icache_enable();
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#endif
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#ifndef CONFIG_SYS_DCACHE_OFF
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dcache_enable();
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#endif
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}
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#else /* #ifndef CONFIG_SYS_DCACHE_OFF */
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void invalidate_dcache_all(void)
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{
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}
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void flush_dcache_all(void)
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{
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}
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void invalidate_dcache_range(unsigned long start, unsigned long stop)
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{
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}
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void flush_dcache_range(unsigned long start, unsigned long stop)
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{
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}
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void flush_cache(unsigned long start, unsigned long size)
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{
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}
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#endif /* #ifndef CONFIG_SYS_DCACHE_OFF */
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@ -30,7 +30,7 @@
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void invalidate_dcache_all(void)
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{
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asm volatile("mcr p15, 0, %0, c7, c6, 0\n"::"r"(0));
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asm volatile("mcr p15, 0, %0, c7, c6, 0\n" : : "r"(0));
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}
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void flush_dcache_all(void)
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@ -40,7 +40,7 @@ void flush_dcache_all(void)
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"mrc p15, 0, r15, c7, c14, 3\n"
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"bne 0b\n"
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"mcr p15, 0, %0, c7, c10, 4\n"
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::"r"(0):"memory"
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: : "r"(0) : "memory"
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);
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}
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@ -55,7 +55,7 @@ static int check_cache_range(unsigned long start, unsigned long stop)
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ok = 0;
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if (!ok)
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printf("CACHE: Misaligned operation at range [%08lx, %08lx]\n",
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debug("CACHE: Misaligned operation at range [%08lx, %08lx]\n",
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start, stop);
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return ok;
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@ -67,7 +67,7 @@ void invalidate_dcache_range(unsigned long start, unsigned long stop)
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return;
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while (start < stop) {
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asm volatile("mcr p15, 0, %0, c7, c6, 1\n"::"r"(start));
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asm volatile("mcr p15, 0, %0, c7, c6, 1\n" : : "r"(start));
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start += CONFIG_SYS_CACHELINE_SIZE;
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}
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}
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@ -78,11 +78,11 @@ void flush_dcache_range(unsigned long start, unsigned long stop)
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return;
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while (start < stop) {
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asm volatile("mcr p15, 0, %0, c7, c14, 1\n"::"r"(start));
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asm volatile("mcr p15, 0, %0, c7, c14, 1\n" : : "r"(start));
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start += CONFIG_SYS_CACHELINE_SIZE;
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}
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asm("mcr p15, 0, %0, c7, c10, 4\n"::"r"(0));
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asm volatile("mcr p15, 0, %0, c7, c10, 4\n" : : "r"(0));
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}
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void flush_cache(unsigned long start, unsigned long size)
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@ -114,8 +114,7 @@ void flush_cache(unsigned long start, unsigned long size)
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/*
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* Stub implementations for l2 cache operations
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*/
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void __l2_cache_disable(void)
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{
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}
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void __l2_cache_disable(void) {}
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void l2_cache_disable(void)
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__attribute__((weak, alias("__l2_cache_disable")));
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__attribute__((weak, alias("__l2_cache_disable")));
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@ -30,6 +30,7 @@
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#include <asm/errno.h>
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#include <asm/io.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/dma.h>
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#include <asm/arch/gpio.h>
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#include <asm/arch/iomux.h>
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#include <asm/arch/imx-regs.h>
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@ -172,6 +173,11 @@ int arch_cpu_init(void)
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*/
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mxs_gpio_init();
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#ifdef CONFIG_APBH_DMA
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/* Start APBH DMA */
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mxs_dma_init();
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#endif
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return 0;
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}
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#endif
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@ -31,3 +31,6 @@ PLATFORM_CPPFLAGS += -march=armv5
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# =========================================================================
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PF_RELFLAGS_SLB_AT := $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
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PLATFORM_RELFLAGS += $(PF_RELFLAGS_SLB_AT)
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ifneq ($(CONFIG_IMX_CONFIG),)
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ALL-y += $(obj)u-boot.imx
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endif
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@ -85,6 +85,14 @@ int arch_cpu_init(void)
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}
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#endif
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#ifndef CONFIG_SYS_DCACHE_OFF
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void enable_caches(void)
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{
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/* Enable D-cache. I-cache is already enabled in start.S */
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dcache_enable();
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}
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#endif
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#if defined(CONFIG_FEC_MXC)
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void imx_get_mac_from_fuse(int dev_id, unsigned char *mac)
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{
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@ -140,6 +140,8 @@ void mxs_dma_desc_free(struct mxs_dma_desc *);
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int mxs_dma_desc_append(int channel, struct mxs_dma_desc *pdesc);
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int mxs_dma_go(int chan);
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int mxs_dma_init(void);
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void mxs_dma_init(void);
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int mxs_dma_init_channel(int chan);
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int mxs_dma_release(int chan);
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#endif /* __DMA_H__ */
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@ -84,8 +84,6 @@
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GPIO_NUM_PIN) + ((pin >> MUX_IO_I) &\
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((1 << (MUX_IO_P - MUX_IO_I)) - 1)))
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#define IOMUX_TO_IRQ(pin) (MXC_GPIO_INT_BASE + IOMUX_TO_GPIO(pin))
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#define GPIO_TO_PORT(n) (n / GPIO_NUM_PIN)
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#define GPIO_TO_INDEX(n) (n % GPIO_NUM_PIN)
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#define NON_GPIO_I 0x7
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#define PIN_TO_MUX_MASK ((1<<(PAD_I - MUX_I)) - 1)
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@ -78,8 +78,6 @@
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GPIO_NUM_PIN) + ((pin >> MUX_IO_I) &\
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((1 << (MUX_IO_P - MUX_IO_I)) - 1)))
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#define IOMUX_TO_IRQ(pin) (MXC_GPIO_INT_BASE + IOMUX_TO_GPIO(pin))
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#define GPIO_TO_PORT(n) (n / GPIO_NUM_PIN)
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#define GPIO_TO_INDEX(n) (n % GPIO_NUM_PIN)
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#define NON_GPIO_PORT 0x7
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#define PIN_TO_MUX_MASK ((1 << (PAD_I - MUX_I)) - 1)
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@ -19,6 +19,8 @@
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#ifndef __ASM_ARCH_MX6_IMX_REGS_H__
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#define __ASM_ARCH_MX6_IMX_REGS_H__
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#define CONFIG_SYS_CACHELINE_SIZE 32
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|
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#define ROMCP_ARB_BASE_ADDR 0x00000000
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#define ROMCP_ARB_END_ADDR 0x000FFFFF
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#define CAAM_ARB_BASE_ADDR 0x00100000
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@ -168,8 +170,6 @@
|
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#define FEC_QUIRK_ENET_MAC
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||||
|
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#define GPIO_NUMBER(port, index) ((((port)-1)*32)+((index)&31))
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#define GPIO_TO_PORT(number) (((number)/32)+1)
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#define GPIO_TO_INDEX(number) ((number)&31)
|
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|
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#if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__))
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#include <asm/types.h>
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||||
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@ -356,16 +356,17 @@ static void reset_net_chip(void)
|
||||
{
|
||||
/* Set GPIO1 of TPS65930 as output */
|
||||
twl4030_i2c_write_u8(TWL4030_CHIP_GPIO, 0x02,
|
||||
TWL4030_BASEADD_GPIO+0x03);
|
||||
TWL4030_BASEADD_GPIO + 0x03);
|
||||
/* Send a pulse on the GPIO pin */
|
||||
twl4030_i2c_write_u8(TWL4030_CHIP_GPIO, 0x02,
|
||||
TWL4030_BASEADD_GPIO+0x0C);
|
||||
TWL4030_BASEADD_GPIO + 0x0C);
|
||||
udelay(1);
|
||||
twl4030_i2c_write_u8(TWL4030_CHIP_GPIO, 0x02,
|
||||
TWL4030_BASEADD_GPIO+0x09);
|
||||
udelay(1);
|
||||
TWL4030_BASEADD_GPIO + 0x09);
|
||||
mdelay(40);
|
||||
twl4030_i2c_write_u8(TWL4030_CHIP_GPIO, 0x02,
|
||||
TWL4030_BASEADD_GPIO+0x0C);
|
||||
TWL4030_BASEADD_GPIO + 0x0C);
|
||||
mdelay(1);
|
||||
}
|
||||
#else
|
||||
static inline void reset_net_chip(void) {}
|
||||
|
||||
@ -71,19 +71,11 @@ int board_early_init_f(void)
|
||||
return 0;
|
||||
}
|
||||
|
||||
void enable_caches(void)
|
||||
{
|
||||
icache_enable();
|
||||
dcache_enable();
|
||||
}
|
||||
|
||||
int board_init(void)
|
||||
{
|
||||
/* adress of boot parameters */
|
||||
gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
|
||||
|
||||
enable_caches();
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
@ -258,17 +258,6 @@ int board_late_init(void)
|
||||
val |= 0x80;
|
||||
mc9sdz60_reg_write(MC9SDZ60_REG_RESET_1, val);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int checkboard(void)
|
||||
{
|
||||
/*
|
||||
* Be sure that I2C is initialized to check
|
||||
* the board revision
|
||||
*/
|
||||
i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
|
||||
|
||||
/* Print board revision */
|
||||
printf("Board: MX35 PDK %d.0\n", ((get_board_rev() >> 8) + 1) & 0x0F);
|
||||
|
||||
|
||||
@ -91,6 +91,6 @@ DATA 4 0x63fd901c 0x00028039
|
||||
DATA 4 0x63fd901c 0x05208138
|
||||
DATA 4 0x63fd901c 0x04008048
|
||||
DATA 4 0x63fd9020 0x00005800
|
||||
DATA 4 0x63fd9040 0x04b80003
|
||||
DATA 4 0x63fd9040 0x05380003
|
||||
DATA 4 0x63fd9058 0x00022227
|
||||
DATA 4 0x63fd901C 0x00000000
|
||||
|
||||
@ -108,5 +108,5 @@ DATA 4 0x63fd901c 0x00448039
|
||||
DATA 4 0x63fd9020 0x00005800
|
||||
DATA 4 0x63fd9058 0x00033335
|
||||
DATA 4 0x63fd901c 0x00000000
|
||||
DATA 4 0x63fd9040 0x04b80003
|
||||
DATA 4 0x63fd9040 0x05380003
|
||||
DATA 4 0x53fa8004 0x00194005
|
||||
|
||||
@ -91,6 +91,6 @@ DATA 4 0x63fd901c 0x00028039
|
||||
DATA 4 0x63fd901c 0x05208138
|
||||
DATA 4 0x63fd901c 0x04008048
|
||||
DATA 4 0x63fd9020 0x00005800
|
||||
DATA 4 0x63fd9040 0x04b80003
|
||||
DATA 4 0x63fd9040 0x05380003
|
||||
DATA 4 0x63fd9058 0x00022227
|
||||
DATA 4 0x63fd901c 0x00000000
|
||||
|
||||
@ -91,6 +91,6 @@ DATA 4 0x63fd901c 0x00028039
|
||||
DATA 4 0x63fd901c 0x05208138
|
||||
DATA 4 0x63fd901c 0x04008048
|
||||
DATA 4 0x63fd9020 0x00005800
|
||||
DATA 4 0x63fd9040 0x04b80003
|
||||
DATA 4 0x63fd9040 0x05380003
|
||||
DATA 4 0x63fd9058 0x00022227
|
||||
DATA 4 0x63fd901C 0x00000000
|
||||
|
||||
@ -507,58 +507,3 @@ int ehci_hcd_stop(void)
|
||||
}
|
||||
|
||||
#endif /* CONFIG_USB_EHCI */
|
||||
|
||||
#ifndef CONFIG_SPL_BUILD
|
||||
/*
|
||||
* This command returns the status of the user button on beagle xM
|
||||
* Input - none
|
||||
* Returns - 1 if button is held down
|
||||
* 0 if button is not held down
|
||||
*/
|
||||
int do_userbutton(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
||||
{
|
||||
int button = 0;
|
||||
int gpio;
|
||||
|
||||
/*
|
||||
* pass address parameter as argv[0] (aka command name),
|
||||
* and all remaining args
|
||||
*/
|
||||
switch (get_board_revision()) {
|
||||
case REVISION_AXBX:
|
||||
case REVISION_CX:
|
||||
case REVISION_C4:
|
||||
gpio = 7;
|
||||
break;
|
||||
case REVISION_XM_A:
|
||||
case REVISION_XM_B:
|
||||
case REVISION_XM_C:
|
||||
default:
|
||||
gpio = 4;
|
||||
break;
|
||||
}
|
||||
gpio_request(gpio, "");
|
||||
gpio_direction_input(gpio);
|
||||
printf("The user button is currently ");
|
||||
if (gpio_get_value(gpio))
|
||||
{
|
||||
button = 1;
|
||||
printf("PRESSED.\n");
|
||||
}
|
||||
else
|
||||
{
|
||||
button = 0;
|
||||
printf("NOT pressed.\n");
|
||||
}
|
||||
|
||||
return !button;
|
||||
}
|
||||
|
||||
/* -------------------------------------------------------------------- */
|
||||
|
||||
U_BOOT_CMD(
|
||||
userbutton, CONFIG_SYS_MAXARGS, 1, do_userbutton,
|
||||
"Return the status of the BeagleBoard USER button",
|
||||
""
|
||||
);
|
||||
#endif
|
||||
|
||||
219
doc/README.m28
219
doc/README.m28
@ -1,224 +1,13 @@
|
||||
DENX M28EVK
|
||||
===========
|
||||
|
||||
This document describes the DENX M28/M28EVK U-Boot port. This document mostly
|
||||
covers topics related to making the module/board bootable.
|
||||
|
||||
Terminology
|
||||
-----------
|
||||
|
||||
The dollar symbol ($) introduces a snipped of shell code. This shall be typed
|
||||
into the unix command prompt in U-Boot source code root directory.
|
||||
|
||||
The (=>) introduces a snipped of code that should by typed into U-Boot command
|
||||
prompt.
|
||||
|
||||
Contents
|
||||
--------
|
||||
|
||||
0) Files of the M28/M28EVK port
|
||||
1) Prerequisites
|
||||
2) Compiling U-Boot for M28
|
||||
3) Installation of U-Boot for M28EVK to SD card
|
||||
4) Installation of U-Boot for M28 to NAND flash
|
||||
|
||||
0) Files of the M28/M28EVK port
|
||||
-------------------------------
|
||||
Files of the M28/M28EVK port
|
||||
----------------------------
|
||||
|
||||
arch/arm/cpu/arm926ejs/mx28/ - The CPU support code for the Freescale i.MX28
|
||||
arch/arm/include/asm/arch-mx28/ - Header files for the Freescale i.MX28
|
||||
board/denx/m28evk/ - M28EVK board specific files
|
||||
include/configs/m28evk.h - M28EVK configuration file
|
||||
|
||||
1) Prerequisites
|
||||
----------------
|
||||
|
||||
To make the M28 module or the M28 module or M28EVK board bootable, some tools
|
||||
are necessary. The first one is the "elftosb" tool distributed by Freescale
|
||||
Semiconductor. The other tool is the "mxsboot" tool found in U-Boot source tree.
|
||||
|
||||
Firstly, obtain the elftosb archive from the following location:
|
||||
|
||||
http://foss.doredevelopment.dk/mirrors/imx/elftosb-10.12.01.tar.gz
|
||||
|
||||
We use a $VER variable here to denote the current version. At the time of
|
||||
writing of this document, that is "10.12.01". To obtain the file from command
|
||||
line, use:
|
||||
|
||||
$ VER="10.12.01"
|
||||
$ wget http://foss.doredevelopment.dk/mirrors/imx/elftosb-${VER}.tar.gz
|
||||
|
||||
Extract the file:
|
||||
|
||||
$ tar xzf elftosb-${VER}.tar.gz
|
||||
|
||||
Compile the file. We need to manually tell the linker to use also libm:
|
||||
|
||||
$ cd elftosb-${VER}/
|
||||
$ make LIBS="-lstdc++ -lm" elftosb
|
||||
|
||||
Optionally, remove debugging symbols from elftosb:
|
||||
|
||||
$ strip bld/linux/elftosb
|
||||
|
||||
Finally, install the "elftosb" binary. The "install" target is missing, so just
|
||||
copy the binary by hand:
|
||||
|
||||
$ sudo cp bld/linux/elftosb /usr/local/bin/
|
||||
|
||||
Make sure the "elftosb" binary can be found in your $PATH, in this case this
|
||||
means "/usr/local/bin/" has to be in your $PATH.
|
||||
|
||||
2) Compiling U-Boot for M28
|
||||
---------------------------
|
||||
|
||||
Compiling the U-Boot for M28 is straightforward and done as compiling U-Boot
|
||||
for any other ARM device. For cross-compiler setup, please refer to ELDK5.0
|
||||
documentation. First, clean up the source code:
|
||||
|
||||
$ make mrproper
|
||||
|
||||
Next, configure U-Boot for M28EVK:
|
||||
|
||||
$ make m28evk_config
|
||||
|
||||
Lastly, compile U-Boot and prepare a "BootStream". The "BootStream" is a special
|
||||
type of file, which the i.MX28 CPU can boot. This is handled by the following
|
||||
command:
|
||||
|
||||
$ make u-boot.sb
|
||||
|
||||
HINT: To speed-up the build process, you can add -j<N>, where N is number of
|
||||
compiler instances that'll run in parallel.
|
||||
|
||||
The code produces "u-boot.sb" file. This file needs to be augmented with a
|
||||
proper header to allow successful boot from SD or NAND. Adding the header is
|
||||
discussed in the following chapters.
|
||||
|
||||
3) Installation of U-Boot for M28EVK to SD card
|
||||
-----------------------------------------------
|
||||
|
||||
To boot an M28 from SD, set the boot mode DIP switches according to i.MX28
|
||||
manual chapter 12.2.1 (Table 12-2), PORT=SSP0, SD/MMC master on SSP0, 3.3V.
|
||||
|
||||
An SD card the i.MX28 CPU can use to boot U-Boot must contain a DOS partition
|
||||
table, which in turn carries a partition of special type and which contains a
|
||||
special header. The rest of partitions in the DOS partition table can be used
|
||||
by the user.
|
||||
|
||||
To prepare such partition, use your favourite partitioning tool. The partition
|
||||
must have the following parameters:
|
||||
|
||||
* Start sector .......... sector 2048
|
||||
* Partition size ........ at least 1024 kb
|
||||
* Partition type ........ 0x53 (sometimes "OnTrack DM6 Aux3")
|
||||
|
||||
For example in Linux fdisk, the sequence for a clear card follows. Be sure to
|
||||
run fdisk with the option "-u=sectors" to set units to sectors:
|
||||
|
||||
* o ..................... create a clear partition table
|
||||
* n ..................... create new partition
|
||||
* p ............. primary partition
|
||||
* 1 ............. first partition
|
||||
* 2048 .......... first sector is 2048
|
||||
* +1M ........... make the partition 1Mb big
|
||||
* t 1 ................... change first partition ID
|
||||
* 53 ............ change the ID to 0x53 (OnTrack DM6 Aux3)
|
||||
* <create other partitions>
|
||||
* w ..................... write partition table to disk
|
||||
|
||||
The partition layout is ready, next the special partition must be filled with
|
||||
proper contents. The contents is generated by running the following command (see
|
||||
chapter 2)):
|
||||
|
||||
$ ./tools/mxsboot sd u-boot.sb u-boot.sd
|
||||
|
||||
The resulting file, "u-boot.sd", shall then be written to the partition. In this
|
||||
case, we assume the first partition of the SD card is /dev/mmcblk0p1:
|
||||
|
||||
$ dd if=u-boot.sd of=/dev/mmcblk0p1
|
||||
|
||||
Last step is to insert the card into M28EVK and boot.
|
||||
|
||||
NOTE: If the user needs to adjust the start sector, the "mxsboot" tool contains
|
||||
a "-p" switch for that purpose. The "-p" switch takes the sector number as
|
||||
an argument.
|
||||
|
||||
4) Installation of U-Boot for M28 to NAND flash
|
||||
-----------------------------------------------
|
||||
|
||||
To boot an M28 from NAND, set the boot mode DIP switches according to i.MX28
|
||||
manual chapter 12.2.1 (Table 12-2), PORT=GPMI, NAND 1.8 V.
|
||||
|
||||
There are two possibilities when preparing an image writable to NAND flash.
|
||||
|
||||
I) The NAND wasn't written at all yet or the BCB is broken
|
||||
----------------------------------------------------------
|
||||
In this case, both BCB (FCB and DBBT) and firmware needs to be
|
||||
written to NAND. To generate NAND image containing all these,
|
||||
there is a tool called "mxsboot" in the "tools/" directory. The tool
|
||||
is invoked on "u-boot.sb" file from chapter 2):
|
||||
|
||||
$ ./tools/mxsboot nand u-boot.sb u-boot.nand
|
||||
|
||||
NOTE: The above invokation works for NAND flash with geometry of
|
||||
2048b per page, 64b OOB data, 128kb erase size. If your chip
|
||||
has a different geometry, please use:
|
||||
|
||||
-w <size> change page size (default 2048 b)
|
||||
-o <size> change oob size (default 64 b)
|
||||
-e <size> change erase size (default 131072 b)
|
||||
|
||||
The geometry information can be obtained from running U-Boot
|
||||
on M28 by issuing the "nand info" command.
|
||||
|
||||
The resulting file, "u-boot.nand" can be written directly to NAND
|
||||
from the U-Boot prompt. To simplify the process, the U-Boot default
|
||||
environment contains script "update_nand_full" to update the system.
|
||||
|
||||
This script expects a working TFTP server containing the file
|
||||
"u-boot.nand" in it's root directory. This can be changed by
|
||||
adjusting the "update_nand_full_filename" varible.
|
||||
|
||||
To update the system, run the following in U-Boot prompt:
|
||||
|
||||
=> run update_nand_full
|
||||
|
||||
In case you would only need to update the bootloader in future,
|
||||
see II) below.
|
||||
|
||||
II) The NAND was already written with a good BCB
|
||||
------------------------------------------------
|
||||
This part applies after the part I) above was done at least once.
|
||||
|
||||
If part I) above was done correctly already, there is no need to
|
||||
write the FCB and DBBT parts of NAND again. It's possible to upgrade
|
||||
only the bootloader image.
|
||||
|
||||
To simplify the process of firmware update, the U-Boot default
|
||||
environment contains script "update_nand_firmware" to update only
|
||||
the firmware, without rewriting FCB and DBBT.
|
||||
|
||||
This script expects a working TFTP server containing the file
|
||||
"u-boot.sb" in it's root directory. This can be changed by
|
||||
adjusting the "update_nand_firmware_filename" varible.
|
||||
|
||||
To update the system, run the following in U-Boot prompt:
|
||||
|
||||
=> run update_nand_firmware
|
||||
|
||||
III) Special settings for the update scripts
|
||||
--------------------------------------------
|
||||
There is a slight possibility of the user wanting to adjust the
|
||||
STRIDE and COUNT options of the NAND boot. For description of these,
|
||||
see i.MX28 manual section 12.12.1.2 and 12.12.1.3.
|
||||
|
||||
The update scripts take this possibility into account. In case the
|
||||
user changes STRIDE by blowing fuses, the user also has to change
|
||||
"update_nand_stride" variable. In case the user changes COUNT by
|
||||
blowing fuses, the user also has to change "update_nand_count"
|
||||
variable for the update scripts to work correctly.
|
||||
|
||||
In case the user needs to boot a firmware image bigger than 1Mb, the
|
||||
user has to adjust the "update_nand_firmware_maxsz" variable for the
|
||||
update scripts to work properly.
|
||||
Follow the instructions from doc/README.mx28_common to generate a bootable SD
|
||||
card or to boot from NAND flash.
|
||||
|
||||
226
doc/README.mx28_common
Normal file
226
doc/README.mx28_common
Normal file
@ -0,0 +1,226 @@
|
||||
Booting U-boot on a MX28 processor
|
||||
==================================
|
||||
|
||||
This document describes the MX28 U-Boot port. This document mostly
|
||||
covers topics related to making the module/board bootable.
|
||||
|
||||
Terminology
|
||||
-----------
|
||||
|
||||
The dollar symbol ($) introduces a snipped of shell code. This shall be typed
|
||||
into the unix command prompt in U-Boot source code root directory.
|
||||
|
||||
The (=>) introduces a snipped of code that should by typed into U-Boot command
|
||||
prompt
|
||||
|
||||
Contents
|
||||
--------
|
||||
|
||||
1) Prerequisites
|
||||
2) Compiling U-Boot for a MX28 based board
|
||||
3) Installation of U-Boot for a MX28 based board to SD card
|
||||
|
||||
1) Prerequisites
|
||||
----------------
|
||||
|
||||
To make a MX28 based board bootable, some tools are necessary. The first one
|
||||
is the "elftosb" tool distributed by Freescale Semiconductor. The other one
|
||||
is the "mxsboot" tool found in U-Boot source tree.
|
||||
|
||||
Firstly, obtain the elftosb archive from the following location:
|
||||
|
||||
http://foss.doredevelopment.dk/mirrors/imx/elftosb-10.12.01.tar.gz
|
||||
|
||||
We use a $VER variable here to denote the current version. At the time of
|
||||
writing of this document, that is "10.12.01". To obtain the file from command
|
||||
line, use:
|
||||
|
||||
$ VER="10.12.01"
|
||||
$ wget http://foss.doredevelopment.dk/mirrors/imx/elftosb-${VER}.tar.gz
|
||||
|
||||
Extract the file:
|
||||
|
||||
$ tar xzf elftosb-${VER}.tar.gz
|
||||
|
||||
Compile the file. We need to manually tell the linker to use also libm:
|
||||
|
||||
$ cd elftosb-${VER}/
|
||||
$ make LIBS="-lstdc++ -lm" elftosb
|
||||
|
||||
Optionally, remove debugging symbols from elftosb:
|
||||
|
||||
$ strip bld/linux/elftosb
|
||||
|
||||
Finally, install the "elftosb" binary. The "install" target is missing, so just
|
||||
copy the binary by hand:
|
||||
|
||||
$ sudo cp bld/linux/elftosb /usr/local/bin/
|
||||
|
||||
Make sure the "elftosb" binary can be found in your $PATH, in this case this
|
||||
means "/usr/local/bin/" has to be in your $PATH.
|
||||
|
||||
2) Compiling U-Boot for a MX28 based board
|
||||
-------------------------------------------
|
||||
|
||||
Compiling the U-Boot for a MX28 board is straightforward and done as compiling U-Boot
|
||||
for any other ARM device. For cross-compiler setup, please refer to ELDK5.0
|
||||
documentation. First, clean up the source code:
|
||||
|
||||
$ make mrproper
|
||||
|
||||
Next, configure U-Boot for a MX28 based board
|
||||
|
||||
$ make <mx28_based_board_name>_config
|
||||
|
||||
Examples:
|
||||
|
||||
1. For building U-boot for Denx M28EVK board:
|
||||
|
||||
$ make m28evk_config
|
||||
|
||||
2. For building U-boot for Freescale MX28EVK board:
|
||||
|
||||
$ make mx28evk_config
|
||||
|
||||
Lastly, compile U-Boot and prepare a "BootStream". The "BootStream" is a special
|
||||
type of file, which the i.MX28 CPU can boot. This is handled by the following
|
||||
command:
|
||||
|
||||
$ make u-boot.sb
|
||||
|
||||
HINT: To speed-up the build process, you can add -j<N>, where N is number of
|
||||
compiler instances that'll run in parallel.
|
||||
|
||||
The code produces "u-boot.sb" file. This file needs to be augmented with a
|
||||
proper header to allow successful boot from SD or NAND. Adding the header is
|
||||
discussed in the following chapters.
|
||||
|
||||
3) Installation of U-Boot for a MX28 based board to SD card
|
||||
-----------------------------------------------------------
|
||||
|
||||
To boot a MX28 based board from SD, set the boot mode DIP switches according
|
||||
to i.MX28 manual chapter 12.2.1 (Table 12-2), PORT=SSP0, SD/MMC master on
|
||||
SSP0, 3.3V.
|
||||
|
||||
|
||||
An SD card the i.MX28 CPU can use to boot U-Boot must contain a DOS partition
|
||||
table, which in turn carries a partition of special type and which contains a
|
||||
special header. The rest of partitions in the DOS partition table can be used
|
||||
by the user.
|
||||
|
||||
To prepare such partition, use your favourite partitioning tool. The partition
|
||||
must have the following parameters:
|
||||
|
||||
* Start sector .......... sector 2048
|
||||
* Partition size ........ at least 1024 kb
|
||||
* Partition type ........ 0x53 (sometimes "OnTrack DM6 Aux3")
|
||||
|
||||
For example in Linux fdisk, the sequence for a clear card follows. Be sure to
|
||||
run fdisk with the option "-u=sectors" to set units to sectors:
|
||||
|
||||
* o ..................... create a clear partition table
|
||||
* n ..................... create new partition
|
||||
* p ............. primary partition
|
||||
* 1 ............. first partition
|
||||
* 2048 .......... first sector is 2048
|
||||
* +1M ........... make the partition 1Mb big
|
||||
* t 1 ................... change first partition ID
|
||||
* 53 ............ change the ID to 0x53 (OnTrack DM6 Aux3)
|
||||
* <create other partitions>
|
||||
* w ..................... write partition table to disk
|
||||
|
||||
The partition layout is ready, next the special partition must be filled with
|
||||
proper contents. The contents is generated by running the following command
|
||||
(see chapter 2)):
|
||||
|
||||
$ ./tools/mxsboot sd u-boot.sb u-boot.sd
|
||||
|
||||
The resulting file, "u-boot.sd", shall then be written to the partition. In this
|
||||
case, we assume the first partition of the SD card is /dev/mmcblk0p1:
|
||||
|
||||
$ dd if=u-boot.sd of=/dev/mmcblk0p1
|
||||
|
||||
Last step is to insert the card into MX28 based board and boot.
|
||||
|
||||
NOTE: If the user needs to adjust the start sector, the "mxsboot" tool contains
|
||||
a "-p" switch for that purpose. The "-p" switch takes the sector number as
|
||||
an argument.
|
||||
|
||||
4) Installation of U-Boot for NAND flash
|
||||
-----------------------------------------------
|
||||
|
||||
To boot a MX28 based board from NAND, set the boot mode DIP switches according to i.MX28
|
||||
manual chapter 12.2.1 (Table 12-2), PORT=GPMI, NAND 1.8 V.
|
||||
|
||||
There are two possibilities when preparing an image writable to NAND flash.
|
||||
|
||||
I) The NAND wasn't written at all yet or the BCB is broken
|
||||
----------------------------------------------------------
|
||||
In this case, both BCB (FCB and DBBT) and firmware needs to be
|
||||
written to NAND. To generate NAND image containing all these,
|
||||
there is a tool called "mxsboot" in the "tools/" directory. The tool
|
||||
is invoked on "u-boot.sb" file from chapter 2):
|
||||
|
||||
$ ./tools/mxsboot nand u-boot.sb u-boot.nand
|
||||
|
||||
NOTE: The above invokation works for NAND flash with geometry of
|
||||
2048b per page, 64b OOB data, 128kb erase size. If your chip
|
||||
has a different geometry, please use:
|
||||
|
||||
-w <size> change page size (default 2048 b)
|
||||
-o <size> change oob size (default 64 b)
|
||||
-e <size> change erase size (default 131072 b)
|
||||
|
||||
The geometry information can be obtained from running U-Boot
|
||||
on the MX28 board by issuing the "nand info" command.
|
||||
|
||||
The resulting file, "u-boot.nand" can be written directly to NAND
|
||||
from the U-Boot prompt. To simplify the process, the U-Boot default
|
||||
environment contains script "update_nand_full" to update the system.
|
||||
|
||||
This script expects a working TFTP server containing the file
|
||||
"u-boot.nand" in it's root directory. This can be changed by
|
||||
adjusting the "update_nand_full_filename" varible.
|
||||
|
||||
To update the system, run the following in U-Boot prompt:
|
||||
|
||||
=> run update_nand_full
|
||||
|
||||
In case you would only need to update the bootloader in future,
|
||||
see II) below.
|
||||
|
||||
II) The NAND was already written with a good BCB
|
||||
------------------------------------------------
|
||||
This part applies after the part I) above was done at least once.
|
||||
|
||||
If part I) above was done correctly already, there is no need to
|
||||
write the FCB and DBBT parts of NAND again. It's possible to upgrade
|
||||
only the bootloader image.
|
||||
|
||||
To simplify the process of firmware update, the U-Boot default
|
||||
environment contains script "update_nand_firmware" to update only
|
||||
the firmware, without rewriting FCB and DBBT.
|
||||
|
||||
This script expects a working TFTP server containing the file
|
||||
"u-boot.sb" in it's root directory. This can be changed by
|
||||
adjusting the "update_nand_firmware_filename" varible.
|
||||
|
||||
To update the system, run the following in U-Boot prompt:
|
||||
|
||||
=> run update_nand_firmware
|
||||
|
||||
III) Special settings for the update scripts
|
||||
--------------------------------------------
|
||||
There is a slight possibility of the user wanting to adjust the
|
||||
STRIDE and COUNT options of the NAND boot. For description of these,
|
||||
see i.MX28 manual section 12.12.1.2 and 12.12.1.3.
|
||||
|
||||
The update scripts take this possibility into account. In case the
|
||||
user changes STRIDE by blowing fuses, the user also has to change
|
||||
"update_nand_stride" variable. In case the user changes COUNT by
|
||||
blowing fuses, the user also has to change "update_nand_count"
|
||||
variable for the update scripts to work correctly.
|
||||
|
||||
In case the user needs to boot a firmware image bigger than 1Mb, the
|
||||
user has to adjust the "update_nand_firmware_maxsz" variable for the
|
||||
update scripts to work properly.
|
||||
29
doc/README.mx28evk
Normal file
29
doc/README.mx28evk
Normal file
@ -0,0 +1,29 @@
|
||||
FREESCALE MX28EVK
|
||||
==================
|
||||
|
||||
Supported hardware: only MX28EVK rev D is supported in U-boot.
|
||||
|
||||
Files of the MX28EVK port
|
||||
--------------------------
|
||||
|
||||
arch/arm/cpu/arm926ejs/mx28/ - The CPU support code for the Freescale i.MX28
|
||||
arch/arm/include/asm/arch-mx28/ - Header files for the Freescale i.MX28
|
||||
board/freescale/mx28evk/ - MX28EVK board specific files
|
||||
include/configs/mx28evk.h - MX28EVK configuration file
|
||||
|
||||
Jumper configuration
|
||||
---------------------
|
||||
|
||||
To boot MX28EVK from an SD card, set the boot mode DIP switches as:
|
||||
|
||||
* Boot Mode Select: 1 0 0 1 (Boot from SD card Slot 0 - U42)
|
||||
* JTAG PSWITCH RESET: To the left (reset enabled)
|
||||
* Battery Source: Down
|
||||
* Wall 5V: Up
|
||||
* VDD 5V: To the left (off)
|
||||
* Hold Button: Down (off)
|
||||
|
||||
Follow the instructions from doc/README.mx28_common to generate a bootable SD
|
||||
card.
|
||||
|
||||
Insert the SD card in slot 0, power up the board and U-boot will boot.
|
||||
@ -31,7 +31,8 @@ Note: Replace sXx with the device representing the SD card in your system.
|
||||
Note: This writes SD card loader at address 0
|
||||
|
||||
2. Put this SD card into the slot for the large SD card (SD3 on the bottom of
|
||||
the board)
|
||||
the board). Make sure SW1 switch is at position "00", so that it can boot
|
||||
from the fuses.
|
||||
|
||||
3. Power-up the SabreLite, press 'space' to enter command mode in the U-Boot
|
||||
(the default one the board is shipped with, starting from the SPI NOR) and
|
||||
|
||||
@ -316,7 +316,7 @@ static int mxs_dma_request(int channel)
|
||||
* The channel will NOT be released if it's marked "busy" (see
|
||||
* mxs_dma_enable()).
|
||||
*/
|
||||
static int mxs_dma_release(int channel)
|
||||
int mxs_dma_release(int channel)
|
||||
{
|
||||
struct mxs_dma_chan *pchan;
|
||||
int ret;
|
||||
@ -552,12 +552,10 @@ int mxs_dma_go(int chan)
|
||||
/*
|
||||
* Initialize the DMA hardware
|
||||
*/
|
||||
int mxs_dma_init(void)
|
||||
void mxs_dma_init(void)
|
||||
{
|
||||
struct mx28_apbh_regs *apbh_regs =
|
||||
(struct mx28_apbh_regs *)MXS_APBH_BASE;
|
||||
struct mxs_dma_chan *pchan;
|
||||
int ret, channel;
|
||||
|
||||
mx28_reset_block(&apbh_regs->hw_apbh_ctrl0_reg);
|
||||
|
||||
@ -576,28 +574,26 @@ int mxs_dma_init(void)
|
||||
writel(APBH_CTRL0_APB_BURST_EN,
|
||||
&apbh_regs->hw_apbh_ctrl0_clr);
|
||||
#endif
|
||||
}
|
||||
|
||||
for (channel = 0; channel < MXS_MAX_DMA_CHANNELS; channel++) {
|
||||
pchan = mxs_dma_channels + channel;
|
||||
pchan->flags = MXS_DMA_FLAGS_VALID;
|
||||
int mxs_dma_init_channel(int channel)
|
||||
{
|
||||
struct mxs_dma_chan *pchan;
|
||||
int ret;
|
||||
|
||||
ret = mxs_dma_request(channel);
|
||||
pchan = mxs_dma_channels + channel;
|
||||
pchan->flags = MXS_DMA_FLAGS_VALID;
|
||||
|
||||
if (ret) {
|
||||
printf("MXS DMA: Can't acquire DMA channel %i\n",
|
||||
channel);
|
||||
ret = mxs_dma_request(channel);
|
||||
|
||||
goto err;
|
||||
}
|
||||
|
||||
mxs_dma_reset(channel);
|
||||
mxs_dma_ack_irq(channel);
|
||||
if (ret) {
|
||||
printf("MXS DMA: Can't acquire DMA channel %i\n",
|
||||
channel);
|
||||
return ret;
|
||||
}
|
||||
|
||||
return 0;
|
||||
mxs_dma_reset(channel);
|
||||
mxs_dma_ack_irq(channel);
|
||||
|
||||
err:
|
||||
while (--channel >= 0)
|
||||
mxs_dma_release(channel);
|
||||
return ret;
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -34,6 +34,7 @@ enum mxc_gpio_direction {
|
||||
MXC_GPIO_DIRECTION_OUT,
|
||||
};
|
||||
|
||||
#define GPIO_TO_PORT(n) (n / 32)
|
||||
|
||||
/* GPIO port description */
|
||||
static unsigned long gpio_ports[] = {
|
||||
@ -53,7 +54,7 @@ static unsigned long gpio_ports[] = {
|
||||
static int mxc_gpio_direction(unsigned int gpio,
|
||||
enum mxc_gpio_direction direction)
|
||||
{
|
||||
unsigned int port = gpio >> 5;
|
||||
unsigned int port = GPIO_TO_PORT(gpio);
|
||||
struct gpio_regs *regs;
|
||||
u32 l;
|
||||
|
||||
@ -80,7 +81,7 @@ static int mxc_gpio_direction(unsigned int gpio,
|
||||
|
||||
int gpio_set_value(unsigned gpio, int value)
|
||||
{
|
||||
unsigned int port = gpio >> 5;
|
||||
unsigned int port = GPIO_TO_PORT(gpio);
|
||||
struct gpio_regs *regs;
|
||||
u32 l;
|
||||
|
||||
@ -103,7 +104,7 @@ int gpio_set_value(unsigned gpio, int value)
|
||||
|
||||
int gpio_get_value(unsigned gpio)
|
||||
{
|
||||
unsigned int port = gpio >> 5;
|
||||
unsigned int port = GPIO_TO_PORT(gpio);
|
||||
struct gpio_regs *regs;
|
||||
u32 val;
|
||||
|
||||
@ -121,7 +122,7 @@ int gpio_get_value(unsigned gpio)
|
||||
|
||||
int gpio_request(unsigned gpio, const char *label)
|
||||
{
|
||||
unsigned int port = gpio >> 5;
|
||||
unsigned int port = GPIO_TO_PORT(gpio);
|
||||
if (port >= ARRAY_SIZE(gpio_ports))
|
||||
return -1;
|
||||
return 0;
|
||||
@ -144,6 +145,5 @@ int gpio_direction_output(unsigned gpio, int value)
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
gpio_set_value(gpio, value);
|
||||
return 0;
|
||||
return gpio_set_value(gpio, value);
|
||||
}
|
||||
|
||||
@ -43,6 +43,13 @@
|
||||
#include <asm/arch/sys_proto.h>
|
||||
#include <asm/arch/dma.h>
|
||||
|
||||
/*
|
||||
* CONFIG_MXS_MMC_DMA: This feature is highly experimental and has no
|
||||
* performance benefit unless you operate the platform with
|
||||
* data cache enabled. This is disabled by default, enable
|
||||
* only if you know what you're doing.
|
||||
*/
|
||||
|
||||
struct mxsmmc_priv {
|
||||
int id;
|
||||
struct mx28_ssp_regs *regs;
|
||||
@ -66,8 +73,13 @@ mxsmmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
|
||||
struct mx28_ssp_regs *ssp_regs = priv->regs;
|
||||
uint32_t reg;
|
||||
int timeout;
|
||||
uint32_t data_count, cache_data_count;
|
||||
uint32_t data_count;
|
||||
uint32_t ctrl0;
|
||||
#ifndef CONFIG_MXS_MMC_DMA
|
||||
uint32_t *data_ptr;
|
||||
#else
|
||||
uint32_t cache_data_count;
|
||||
#endif
|
||||
|
||||
debug("MMC%d: CMD%d\n", mmc->block_dev.dev, cmd->cmdidx);
|
||||
|
||||
@ -185,7 +197,9 @@ mxsmmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
|
||||
return 0;
|
||||
|
||||
data_count = data->blocksize * data->blocks;
|
||||
timeout = MXSMMC_MAX_TIMEOUT;
|
||||
|
||||
#ifdef CONFIG_MXS_MMC_DMA
|
||||
if (data_count % ARCH_DMA_MINALIGN)
|
||||
cache_data_count = roundup(data_count, ARCH_DMA_MINALIGN);
|
||||
else
|
||||
@ -218,6 +232,38 @@ mxsmmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
|
||||
invalidate_dcache_range((uint32_t)priv->desc->cmd.address,
|
||||
(uint32_t)(priv->desc->cmd.address + cache_data_count));
|
||||
}
|
||||
#else
|
||||
if (data->flags & MMC_DATA_READ) {
|
||||
data_ptr = (uint32_t *)data->dest;
|
||||
while (data_count && --timeout) {
|
||||
reg = readl(&ssp_regs->hw_ssp_status);
|
||||
if (!(reg & SSP_STATUS_FIFO_EMPTY)) {
|
||||
*data_ptr++ = readl(&ssp_regs->hw_ssp_data);
|
||||
data_count -= 4;
|
||||
timeout = MXSMMC_MAX_TIMEOUT;
|
||||
} else
|
||||
udelay(1000);
|
||||
}
|
||||
} else {
|
||||
data_ptr = (uint32_t *)data->src;
|
||||
timeout *= 100;
|
||||
while (data_count && --timeout) {
|
||||
reg = readl(&ssp_regs->hw_ssp_status);
|
||||
if (!(reg & SSP_STATUS_FIFO_FULL)) {
|
||||
writel(*data_ptr++, &ssp_regs->hw_ssp_data);
|
||||
data_count -= 4;
|
||||
timeout = MXSMMC_MAX_TIMEOUT;
|
||||
} else
|
||||
udelay(1000);
|
||||
}
|
||||
}
|
||||
|
||||
if (!timeout) {
|
||||
printf("MMC%d: Data timeout with command %d (status 0x%08x)!\n",
|
||||
mmc->block_dev.dev, cmd->cmdidx, reg);
|
||||
return COMM_ERR;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Check data errors */
|
||||
reg = readl(&ssp_regs->hw_ssp_status);
|
||||
@ -292,6 +338,7 @@ int mxsmmc_initialize(bd_t *bis, int id, int (*wp)(int))
|
||||
(struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE;
|
||||
struct mmc *mmc = NULL;
|
||||
struct mxsmmc_priv *priv = NULL;
|
||||
int ret;
|
||||
|
||||
mmc = malloc(sizeof(struct mmc));
|
||||
if (!mmc)
|
||||
@ -310,6 +357,10 @@ int mxsmmc_initialize(bd_t *bis, int id, int (*wp)(int))
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
ret = mxs_dma_init_channel(id);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
priv->mmc_is_wp = wp;
|
||||
priv->id = id;
|
||||
switch (id) {
|
||||
|
||||
@ -1058,7 +1058,7 @@ int mxs_nand_init(struct mxs_nand_info *info)
|
||||
{
|
||||
struct mx28_gpmi_regs *gpmi_regs =
|
||||
(struct mx28_gpmi_regs *)MXS_GPMI_BASE;
|
||||
int i = 0;
|
||||
int i = 0, j;
|
||||
|
||||
info->desc = malloc(sizeof(struct mxs_dma_desc *) *
|
||||
MXS_NAND_DMA_DESCRIPTOR_COUNT);
|
||||
@ -1073,7 +1073,11 @@ int mxs_nand_init(struct mxs_nand_info *info)
|
||||
}
|
||||
|
||||
/* Init the DMA controller. */
|
||||
mxs_dma_init();
|
||||
for (j = MXS_DMA_CHANNEL_AHB_APBH_GPMI0;
|
||||
j <= MXS_DMA_CHANNEL_AHB_APBH_GPMI7; j++) {
|
||||
if (mxs_dma_init_channel(j))
|
||||
goto err3;
|
||||
}
|
||||
|
||||
/* Reset the GPMI block. */
|
||||
mx28_reset_block(&gpmi_regs->hw_gpmi_ctrl0_reg);
|
||||
@ -1089,6 +1093,9 @@ int mxs_nand_init(struct mxs_nand_info *info)
|
||||
|
||||
return 0;
|
||||
|
||||
err3:
|
||||
for (--j; j >= 0; j--)
|
||||
mxs_dma_release(j);
|
||||
err2:
|
||||
free(info->desc);
|
||||
err1:
|
||||
|
||||
@ -34,6 +34,7 @@
|
||||
#define CONFIG_MX35_HCLK_FREQ 24000000
|
||||
|
||||
#define CONFIG_SYS_DCACHE_OFF
|
||||
#define CONFIG_SYS_CACHELINE_SIZE 32
|
||||
|
||||
#define CONFIG_DISPLAY_CPUINFO
|
||||
|
||||
@ -98,6 +99,7 @@
|
||||
#define CONFIG_BOOTP_DNS
|
||||
|
||||
#define CONFIG_CMD_NAND
|
||||
#define CONFIG_CMD_CACHE
|
||||
|
||||
#define CONFIG_CMD_I2C
|
||||
#define CONFIG_CMD_SPI
|
||||
|
||||
@ -62,6 +62,7 @@
|
||||
#define CONFIG_SPL_NAND_SUPPORT
|
||||
#define CONFIG_SPL_NAND_SIMPLE
|
||||
#define CONFIG_SPL_NAND_LOAD
|
||||
#define CONFIG_SPL_LIBGENERIC_SUPPORT /* for udelay and __div64_32 for NAND */
|
||||
#define CONFIG_SPL_SERIAL_SUPPORT
|
||||
#define CONFIG_SPL_LDSCRIPT "board/$(BOARDDIR)/u-boot-spl-hawk.lds"
|
||||
#define CONFIG_SPL_TEXT_BASE 0xc1080000
|
||||
|
||||
@ -93,7 +93,7 @@
|
||||
#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
|
||||
/* Point initial SP in SRAM so SPL can use it too. */
|
||||
|
||||
#define CONFIG_SYS_INIT_RAM_ADDR 0x00002000
|
||||
#define CONFIG_SYS_INIT_RAM_ADDR 0x00000000
|
||||
#define CONFIG_SYS_INIT_RAM_SIZE (128 * 1024)
|
||||
|
||||
#define CONFIG_SYS_INIT_SP_OFFSET \
|
||||
@ -145,13 +145,17 @@
|
||||
#define CONFIG_MXS_MMC
|
||||
#endif
|
||||
|
||||
/*
|
||||
* APBH DMA
|
||||
*/
|
||||
#define CONFIG_APBH_DMA
|
||||
|
||||
/*
|
||||
* NAND
|
||||
*/
|
||||
#define CONFIG_ENV_SIZE (16 * 1024)
|
||||
#ifdef CONFIG_CMD_NAND
|
||||
#define CONFIG_NAND_MXS
|
||||
#define CONFIG_APBH_DMA
|
||||
#define CONFIG_SYS_MAX_NAND_DEVICE 1
|
||||
#define CONFIG_SYS_NAND_BASE 0x60000000
|
||||
#define CONFIG_SYS_NAND_5_ADDR_CYCLE
|
||||
|
||||
@ -81,7 +81,7 @@
|
||||
#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
|
||||
/* Point initial SP in SRAM so SPL can use it too. */
|
||||
|
||||
#define CONFIG_SYS_INIT_RAM_ADDR 0x00002000
|
||||
#define CONFIG_SYS_INIT_RAM_ADDR 0x00000000
|
||||
#define CONFIG_SYS_INIT_RAM_SIZE (128 * 1024)
|
||||
|
||||
#define CONFIG_SYS_INIT_SP_OFFSET \
|
||||
|
||||
@ -34,10 +34,10 @@
|
||||
#define CONFIG_MX35_HCLK_FREQ 24000000
|
||||
|
||||
#define CONFIG_DISPLAY_CPUINFO
|
||||
#define CONFIG_DISPLAY_BOARDINFO
|
||||
|
||||
/* Set TEXT at the beginning of the NOR flash */
|
||||
#define CONFIG_SYS_TEXT_BASE 0xA0000000
|
||||
#define CONFIG_SYS_CACHELINE_SIZE 32
|
||||
|
||||
#define CONFIG_SYS_64BIT_VSPRINTF
|
||||
|
||||
@ -106,6 +106,7 @@
|
||||
#define CONFIG_BOOTP_DNS
|
||||
|
||||
#define CONFIG_CMD_NAND
|
||||
#define CONFIG_CMD_CACHE
|
||||
|
||||
#define CONFIG_CMD_I2C
|
||||
#define CONFIG_CMD_SPI
|
||||
|
||||
@ -169,4 +169,6 @@
|
||||
|
||||
#define CONFIG_OF_LIBFDT
|
||||
|
||||
#define CONFIG_SYS_DCACHE_OFF
|
||||
|
||||
#endif /* __CONFIG_H */
|
||||
|
||||
@ -116,7 +116,7 @@
|
||||
#define CONFIG_EXTRA_ENV_SETTINGS \
|
||||
"script=boot.scr\0" \
|
||||
"uimage=uImage\0" \
|
||||
"console=ttymxc3\0" \
|
||||
"console=ttymxc1\0" \
|
||||
"fdt_high=0xffffffff\0" \
|
||||
"initrd_high=0xffffffff\0" \
|
||||
"mmcdev=0\0" \
|
||||
@ -212,4 +212,10 @@
|
||||
|
||||
#define CONFIG_OF_LIBFDT
|
||||
|
||||
#define CONFIG_SYS_DCACHE_OFF
|
||||
|
||||
#ifndef CONFIG_SYS_DCACHE_OFF
|
||||
#define CONFIG_CMD_CACHE
|
||||
#endif
|
||||
|
||||
#endif /* __CONFIG_H */
|
||||
|
||||
@ -167,6 +167,7 @@
|
||||
#define CONFIG_CMD_PING
|
||||
#define CONFIG_CMD_DHCP
|
||||
#define CONFIG_CMD_SETEXPR /* Evaluate expressions */
|
||||
#define CONFIG_CMD_GPIO /* Enable gpio command */
|
||||
|
||||
#undef CONFIG_CMD_FLASH /* flinfo, erase, protect */
|
||||
#undef CONFIG_CMD_FPGA /* FPGA configuration Support */
|
||||
@ -280,10 +281,16 @@
|
||||
"ramboot=echo Booting from ramdisk ...; " \
|
||||
"run ramargs; " \
|
||||
"bootm ${loadaddr}\0" \
|
||||
|
||||
"userbutton=if gpio input 173; then run userbutton_xm; " \
|
||||
"else run userbutton_nonxm; fi;\0" \
|
||||
"userbutton_xm=gpio input 4;\0" \
|
||||
"userbutton_nonxm=gpio input 7;\0"
|
||||
/* "run userbutton" will return 1 (false) if is pressed and 0 (false) if not */
|
||||
#define CONFIG_BOOTCOMMAND \
|
||||
"if mmc rescan ${mmcdev}; then " \
|
||||
"if userbutton; then " \
|
||||
"if run userbutton; then " \
|
||||
"setenv bootenv uEnv.txt;" \
|
||||
"else " \
|
||||
"setenv bootenv user.txt;" \
|
||||
"fi;" \
|
||||
"echo SD/MMC found on device ${mmcdev};" \
|
||||
|
||||
@ -71,7 +71,7 @@
|
||||
/* Size of malloc() pool */
|
||||
#define CONFIG_ENV_SIZE (128 << 10) /* 128 KiB */
|
||||
/* Sector */
|
||||
#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (512 << 10))
|
||||
#define CONFIG_SYS_MALLOC_LEN (1024*1024)
|
||||
|
||||
/* Hardware drivers */
|
||||
|
||||
@ -139,7 +139,9 @@
|
||||
#define CONFIG_CMD_MTDPARTS /* Enable MTD parts commands */
|
||||
#define CONFIG_CMD_NAND /* NAND support */
|
||||
#define CONFIG_CMD_NAND_LOCK_UNLOCK /* nand (un)lock commands */
|
||||
#define CONFIG_CMD_UBI /* UBIFS commands */
|
||||
#define CONFIG_CMD_UBI /* UBI commands */
|
||||
#define CONFIG_CMD_UBIFS /* UBIFS commands */
|
||||
#define CONFIG_LZO /* LZO is needed for UBIFS */
|
||||
|
||||
#undef CONFIG_CMD_NET
|
||||
#undef CONFIG_CMD_NFS
|
||||
@ -180,7 +182,8 @@
|
||||
"setenv bootargs ${bootargs} " \
|
||||
"omapfb.mode=lcd:${lcdmode} " \
|
||||
"omapdss.def_disp=${defaultdisplay} " \
|
||||
"root=ubi0:rootfs " \
|
||||
"root=ubi0:root " \
|
||||
"ubi.mtd=4 " \
|
||||
"rootfstype=ubifs " \
|
||||
"${kernelopts}\0" \
|
||||
"loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
|
||||
@ -191,9 +194,13 @@
|
||||
"mmcboot=echo Booting from mmc ...; " \
|
||||
"run mmcargs; " \
|
||||
"bootm ${loadaddr}\0" \
|
||||
"loaduimage_ubi=mtd default; " \
|
||||
"ubi part fs; " \
|
||||
"ubifsmount root; " \
|
||||
"ubifsload ${loadaddr} /boot/uImage\0" \
|
||||
"nandboot=echo Booting from nand ...; " \
|
||||
"run nandargs; " \
|
||||
"nand read ${loadaddr} 280000 400000; " \
|
||||
"run loaduimage_ubi; " \
|
||||
"bootm ${loadaddr}\0" \
|
||||
"autoboot=if mmc rescan ${mmcdev}; then " \
|
||||
"if run loadbootscript; then " \
|
||||
|
||||
Loading…
Reference in New Issue
Block a user