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omap24xx: Support booting userland from MMC card
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22531 3c298f89-4303-0410-b956-a3cf2f4a3e73
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8b8f4c7a28
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c6c7d90152
@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
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ARCH:=arm
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BOARD:=omap24xx
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BOARDNAME:=TI OMAP-24xx
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FEATURES:=jffs2
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FEATURES:=squashfs jffs2
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LINUX_VERSION:=2.6.35
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@ -75,7 +75,7 @@ CONFIG_CBUS_RETU_WDT=y
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CONFIG_CBUS_TAHVO=y
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CONFIG_CBUS_TAHVO_USER=y
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CONFIG_CC_OPTIMIZE_FOR_SIZE=y
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CONFIG_CMDLINE="root=1f03 rootfstype=jffs2 console=ttyS2,115200 console=tty0"
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CONFIG_CMDLINE="root=/dev/mmcblk0p1 rootfstype=ext3,ext2,squashfs,jffs2 console=tty0 console=ttyS2,115200n8"
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CONFIG_CMDLINE_FORCE=y
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CONFIG_COMMON_CLKDEV=y
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CONFIG_COMPAT_BRK=y
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@ -152,7 +152,7 @@ CONFIG_EXT2_FS_POSIX_ACL=y
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CONFIG_EXT2_FS_XATTR=y
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CONFIG_EXT2_FS_XIP=y
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CONFIG_EXT3_DEFAULTS_TO_ORDERED=y
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CONFIG_EXT3_FS=m
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CONFIG_EXT3_FS=y
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CONFIG_EXT3_FS_POSIX_ACL=y
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# CONFIG_EXT3_FS_SECURITY is not set
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CONFIG_EXT3_FS_XATTR=y
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@ -283,7 +283,7 @@ CONFIG_IP_NF_FILTER=y
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CONFIG_IP_NF_IPTABLES=y
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CONFIG_IR_CORE=m
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# CONFIG_ISDN is not set
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CONFIG_JBD=m
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CONFIG_JBD=y
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CONFIG_JFFS2_LZO=y
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CONFIG_JFFS2_ZLIB=y
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CONFIG_KALLSYMS=y
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@ -325,6 +325,7 @@ CONFIG_MACH_OMAP2_TUSB6010=y
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# CONFIG_MACH_OMAP_GENERIC is not set
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# CONFIG_MACH_OMAP_H4 is not set
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CONFIG_MACVLAN=m
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CONFIG_MAC_PARTITION=y
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# CONFIG_MAX1363 is not set
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CONFIG_MEDIA_ATTACH=y
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CONFIG_MEDIA_SUPPORT=m
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@ -344,6 +345,8 @@ CONFIG_MENELAUS=y
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CONFIG_MMC=y
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CONFIG_MMC_BLOCK=y
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CONFIG_MMC_OMAP=y
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CONFIG_MMC_SDHCI=y
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CONFIG_MMC_SDHCI_PLTFM=y
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CONFIG_MMC_SPI=y
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CONFIG_MMC_UNSAFE_RESUME=y
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CONFIG_MODULE_FORCE_LOAD=y
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@ -360,6 +363,8 @@ CONFIG_MTD_ONENAND_OMAP2=y
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CONFIG_MTD_ONENAND_OTP=y
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# CONFIG_MTD_ONENAND_SIM is not set
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# CONFIG_MTD_ONENAND_VERIFY_WRITE is not set
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# CONFIG_MTD_ROOTFS_ROOT_DEV is not set
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# CONFIG_MTD_ROOTFS_SPLIT is not set
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CONFIG_NAMESPACES=y
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CONFIG_NEED_DMA_MAP_STATE=y
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CONFIG_NETDEV_10000=y
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@ -389,7 +394,6 @@ CONFIG_OMAP_RESET_CLOCKS=y
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CONFIG_OMAP_WATCHDOG=y
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CONFIG_PAGEFLAGS_EXTENDED=y
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CONFIG_PAGE_OFFSET=0xC0000000
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# CONFIG_PARTITION_ADVANCED is not set
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# CONFIG_PCI_SYSCALL is not set
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CONFIG_PERF_USE_VMALLOC=y
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# CONFIG_PLAT_SPEAR is not set
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@ -423,7 +427,7 @@ CONFIG_SCHED_DEBUG=y
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CONFIG_SCSI=y
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# CONFIG_SCSI_LOWLEVEL is not set
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CONFIG_SCSI_MOD=y
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CONFIG_SDIO_UART=m
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# CONFIG_SDIO_UART is not set
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CONFIG_SENSORS_LM75=m
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CONFIG_SENSORS_TSL2563=m
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# CONFIG_SERIAL_8250_EXTENDED is not set
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64
target/linux/omap24xx/patches-2.6.35/810-mmc-fixes.patch
Normal file
64
target/linux/omap24xx/patches-2.6.35/810-mmc-fixes.patch
Normal file
@ -0,0 +1,64 @@
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---
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drivers/mmc/core/core.c | 5 +++--
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drivers/mmc/host/omap.c | 7 +++++--
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include/linux/mmc/host.h | 2 ++
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3 files changed, 10 insertions(+), 4 deletions(-)
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--- linux-2.6.35.orig/drivers/mmc/host/omap.c
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+++ linux-2.6.35/drivers/mmc/host/omap.c
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@@ -387,7 +387,7 @@ mmc_omap_start_command(struct mmc_omap_h
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mod_timer(&host->cmd_abort_timer, jiffies + HZ/2);
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- OMAP_MMC_WRITE(host, CTO, 200);
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+// OMAP_MMC_WRITE(host, CTO, 200);
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OMAP_MMC_WRITE(host, ARGL, cmd->arg & 0xffff);
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OMAP_MMC_WRITE(host, ARGH, cmd->arg >> 16);
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OMAP_MMC_WRITE(host, IE,
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@@ -1455,6 +1455,7 @@ static int __init mmc_omap_probe(struct
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host->dma_ch = -1;
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host->irq = irq;
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+ host->reg_shift = (cpu_is_omap7xx() ? 1 : 2);
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host->phys_base = host->mem_res->start;
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host->virt_base = ioremap(res->start, res->end - res->start + 1);
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if (!host->virt_base)
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@@ -1494,7 +1495,9 @@ static int __init mmc_omap_probe(struct
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}
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}
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- host->reg_shift = (cpu_is_omap7xx() ? 1 : 2);
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+ /* Make sure the detect workqueue was run at least once. */
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+ printk(KERN_INFO "OMAP-mmc: waiting for cards...\n");
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+ mmc_flush_scheduled_work();
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return 0;
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--- linux-2.6.35.orig/drivers/mmc/core/core.c
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+++ linux-2.6.35/drivers/mmc/core/core.c
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@@ -73,12 +73,13 @@ static int mmc_schedule_delayed_work(str
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}
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/*
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- * Internal function. Flush all scheduled work from the MMC work queue.
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+ * Flush all scheduled work from the MMC work queue.
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*/
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-static void mmc_flush_scheduled_work(void)
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+void mmc_flush_scheduled_work(void)
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{
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flush_workqueue(workqueue);
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}
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+EXPORT_SYMBOL(mmc_flush_scheduled_work);
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/**
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* mmc_request_done - finish processing an MMC request
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--- linux-2.6.35.orig/include/linux/mmc/host.h
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+++ linux-2.6.35/include/linux/mmc/host.h
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@@ -264,5 +264,7 @@ static inline void mmc_set_disable_delay
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host->disable_delay = disable_delay;
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}
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+void mmc_flush_scheduled_work(void);
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+
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#endif
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