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Mon, 17 Dec 2012 19:57:40 +0900 (KST) Received: from localhost.localdomain ([107.108.73.106]) by mmp2.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0MF600FNU92TR670@mmp2.samsung.com> for u-boot@lists.denx.de; Mon, 17 Dec 2012 19:57:39 +0900 (KST) From: Amar To: u-boot@lists.denx.de Date: Mon, 17 Dec 2012 16:49:36 +0530 Message-id: <1355743176-12305-10-git-send-email-amarendra.xt@samsung.com> X-Mailer: git-send-email 1.7.0.4 In-reply-to: <1355743176-12305-1-git-send-email-amarendra.xt@samsung.com> References: <1355743176-12305-1-git-send-email-amarendra.xt@samsung.com> DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrFLMWRmVeSWpSXmKPExsWyRsSkVnfJr3MBBoeOiVu83dvJ7sDocfbO DsYAxigum5TUnMyy1CJ9uwSujN79F1kLTklVzP6f1cC4UqSLkZNDQsBEYsWv70wQtpjEhXvr 2boYuTiEBGYxSlx8/oUFpujR/HWMEInpjBK/58xkA0kICSxgkljRxdrFyMHBJqAq8WuxPUhY REBC4lf/VbB6ZoEORokdEzczgiSEBRwlXh5pBOtlAao/0v4JzOYV8JQ4sO0uG8QyBYnWZYfY QWxOoPjn3Q9ZIHZ5SOzZNZ0ZoldA4tvkQywgeyUEZCU2HWCGaL3MJnFhhyiELSlxcMUNlgmM wgsYGVYxiqYWJBcUJ6XnGuoVJ+YWl+al6yXn525iBAbg6X/PpHYwrmywOMQowMGoxMNrlHou QIg1say4MvcQowQHs5IIr/QboBBvSmJlVWpRfnxRaU5q8SFGH6BDJjJLiSbnA6MjryTe0NjE 3NTY1NLIyMzUFIewkjhvs0dKgJBAemJJanZqakFqEcw4Jg5OqQbGc4s/LJ65LMzzltnFxq8T zvCLd+9mYHDSzVjsy39zw7b2JH+Dr3FTzSc35n+7f/eM2ZRiy+uP12669+xE7Jey3PDNXTt8 38orruuYFztZ+vvrn5ncjzvcS7daFP0X7BNysZdX4eR9yfr4XeaMvQWXG6dE/T7x8ajjpT0f quIazbKXfui+X6wwW4mlOCPRUIu5qDgRAAGgW6FtAgAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFupikeLIzCtJLcpLzFFi42I5/e+xoO6SX+cCDGZ9YbV4u7eT3YHR4+yd HYwBjFENjDYZqYkpqUUKqXnJ+SmZeem2St7B8c7xpmYGhrqGlhbmSgp5ibmptkouPgG6bpk5 QGOVFMoSc0qBQgGJxcVK+naYJoSGuOlawDRG6PqGBMH1GBmggYQ1jBm9+y+yFpySqpj9P6uB caVIFyMnh4SAicSj+esYIWwxiQv31rN1MXJxCAlMZ5T4PWcmG0hCSGABk8SKLtYuRg4ONgFV iV+L7UHCIgISEr/6rzKC1DMLdDBK7Ji4GWyQsICjxMsjjWC9LED1R9o/gdm8Ap4SB7bdZYNY piDRuuwQO4jNCRT/vPshC8QuD4k9u6YzT2DkXcDIsIpRNLUguaA4KT3XUK84Mbe4NC9dLzk/ dxMjOMCfSe1gXNlgcYhRgINRiYfXKPVcgBBrYllxZe4hRgkOZiURXuk3QCHelMTKqtSi/Pii 0pzU4kOMPkBXTWSWEk3OB0ZfXkm8obGJuamxqaWJhYmZJQ5hJXHeZo+UACGB9MSS1OzU1ILU IphxTBycUg2MW6s/WX5n2lFtlpe2pjRkaa27Z+bH345N/L1mfCd2nCvKyg00v5cmo12WJmzY wzrDUmTaOzuhH3HrrTT/zL+dfvvCunvV16+6TV183HBX9TK5ZRLHb5Tyet0QKDk+RXLujNll qh1zzl6qC2j/8GN6N2u/QOrXjCu/O91rlL2+HPx7ZP5jseOlSizFGYmGWsxFxYkABcFImZ0C AAA= X-CFilter-Loop: Reflected Cc: patches@linaro.org, jh80.chung@samsung.com, afleming@gmail.com Subject: [U-Boot] [PATCH 9/9] COMMON: MMC: Command to support eMMC booting X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.11 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de This patch adds commands to open, close and create partitions on eMMC Signed-off-by: Amar --- common/cmd_mmc.c | 101 +++++++++++++++++++++++++++++++++++++++++++++++++++++- 1 files changed, 100 insertions(+), 1 deletions(-) diff --git a/common/cmd_mmc.c b/common/cmd_mmc.c index 62a1c22..1fd6b94 100644 --- a/common/cmd_mmc.c +++ b/common/cmd_mmc.c @@ -248,6 +248,102 @@ static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) curr_device, mmc->part_num); return 0; + } else if (strcmp(argv[1], "open") == 0) { + int dev; + struct mmc *mmc; + + if (argc == 2) + dev = curr_device; + else if (argc == 3) + dev = simple_strtoul(argv[2], NULL, 10); + else if (argc == 4) + return 1; + + else + return CMD_RET_USAGE; + + mmc = find_mmc_device(dev); + if (!mmc) { + printf("no mmc device at slot %x\n", dev); + return 1; + } + + if (IS_SD(mmc)) { + printf("SD device cannot be opened/closed\n"); + return 1; + } + + if (!(mmc_boot_open(mmc))) { + printf("eMMC OPEN Success.!!\n"); + printf("\t\t\t!!!Notice!!!\n"); + printf("!You must close eMMC boot Partition" + "after all image writing!\n"); + printf("!eMMC boot partition has continuity" + "at image writing time.!\n"); + printf("!So, Do not close boot partition, Before," + "all images is written.!\n"); + } else { + printf("eMMC OPEN Failed.!!\n"); + } + return 0; + + } else if (strcmp(argv[1], "close") == 0) { + int dev; + struct mmc *mmc; + + if (argc == 2) + dev = curr_device; + else if (argc == 3) + dev = simple_strtoul(argv[2], NULL, 10); + else if (argc == 4) + return 1; + else + return CMD_RET_USAGE; + + mmc = find_mmc_device(dev); + if (!mmc) { + printf("no mmc device at slot %x\n", dev); + return 1; + } + + if (IS_SD(mmc)) { + printf("SD device cannot be opened/closed\n"); + return 1; + } + + if (!(mmc_boot_close(mmc))) + printf("eMMC CLOSE Success.!!\n"); + else + printf("eMMC CLOSE Failed.!!\n"); + + return 0; + + } else if (strcmp(argv[1], "bootpart") == 0) { + int dev; + dev = simple_strtoul(argv[2], NULL, 10); + + struct mmc *mmc = find_mmc_device(dev); + u32 bootsize = simple_strtoul(argv[3], NULL, 10); + u32 rpmbsize = simple_strtoul(argv[4], NULL, 10); + + if (!mmc) { + printf("no mmc device at slot %x\n", dev); + return 1; + } + + if (IS_SD(mmc)) { + printf("It is not a eMMC device\n"); + return 1; + } + + if (0 == mmc_boot_partition_size_change(mmc, + bootsize, rpmbsize)) { + printf("eMMC boot partition Size %d MB!!\n", bootsize); + printf("eMMC RPMB partition Size %d MB!!\n", rpmbsize); + } else { + printf("eMMC boot partition Size change Failed.!!\n"); + } + return 0; } if (strcmp(argv[1], "read") == 0) @@ -318,5 +414,8 @@ U_BOOT_CMD( "mmc rescan\n" "mmc part - lists available partition on current mmc device\n" "mmc dev [dev] [part] - show or set current mmc device [partition]\n" - "mmc list - lists available devices"); + "mmc list - lists available devices\n" + "mmc open - opens the specified device\n" + "mmc close - closes the specified device\n" + "mmc bootpart \n"); #endif