ipq5332: avoid multiple machid for nand/mmc boot

added boot type based nand or emmc flash selection.
So machid based flash selection becomes obsolete.

Change-Id: I96fa43d31d23397fa249e02f62b905d6e4e67770
Signed-off-by: Rajkumar Ayyasamy <quic_arajkuma@quicinc.com>

arch/arm/dts/ipq5332-soc.dtsi

@@ -56,7 +56,7 @@
 
 	mmc: sdhci@7804000 {
 		compatible = "qcom,sdhci-msm";
-		status = "disabled";
+		status = "okay";
 	};
 
 	pci0: pci@20000000 {

arch/arm/include/asm/arch-qca-common/qca_common.h

@@ -95,6 +95,12 @@ int qca_mmc_init(bd_t *, qca_mmc *);
 int board_mmc_env_init(qca_mmc mmc_host);
 #endif
 
+#ifdef CONFIG_QCA_MMC
+int do_mmc_init(void);
+#endif
+#ifdef CONFIG_QPIC_SERIAL
+void do_nand_init(void);
+#endif
 int ipq_board_usb_init(void);
 int spi_nand_init(void);
 void board_mmc_deinit(void);

board/qca/arm/ipq5332/ipq5332.c

@@ -125,10 +125,11 @@ int dump_entries_s = ARRAY_SIZE(dumpinfo_s);
 
 void fdt_fixup_flash(void *blob)
 {
-	if (gd->bd->bi_arch_number == MACH_TYPE_IPQ5332_EMULATION)
-		return;
+	uint32_t flash_type = SMEM_BOOT_NO_FLASH;
 
-	if ((gd->bd->bi_arch_number >> FLASH_SEL_BIT) & 0x1) {
+	get_current_flash_type(&flash_type);
+	if (flash_type == SMEM_BOOT_NORPLUSEMMC ||
+		flash_type == SMEM_BOOT_MMC_FLASH ) {
 		parse_fdt_fixup(LINUX_NAND_DTS"%"STATUS_DISABLED, blob);
 		parse_fdt_fixup(LINUX_MMC_DTS"%"STATUS_OK, blob);
 
@@ -149,6 +150,10 @@ void ipq_uboot_fdt_fixup(void)
 	/* fix peripherals required for basic board bring up
 	 * like flash etc.
 	 */
+	/* This becomes obsolete as nand or emmc will be
+	 * initialized based on the boot type. Below code
+	 * will be removed later
+	 */
 
 	if ((machid >> FLASH_SEL_BIT) & 0x1) {
 		flash = "mmc";
@@ -280,11 +285,10 @@ __weak void board_mmc_deinit(void)
 	return;
 }
 
-int board_mmc_init(bd_t *bis)
+int do_mmc_init(void)
 {
 	int node, gpio_node;
-	int ret = 0;
-	qca_smem_flash_info_t *sfi = &qca_smem_flash_info;
+
 	node = fdt_path_offset(gd->fdt_blob, "mmc");
 	if (node < 0) {
 		printf("sdhci: Node Not found, skipping initialization\n");
@@ -293,7 +297,7 @@ int board_mmc_init(bd_t *bis)
 
 	if (!fdtdec_get_is_enabled(gd->fdt_blob, node)) {
 		printf("MMC: disabled, skipping initialization\n");
-		return ret;
+		return -1;
 	}
 
 	gpio_node = fdt_subnode_offset(gd->fdt_blob, node, "mmc_gpio");
@@ -315,6 +319,26 @@ int board_mmc_init(bd_t *bis)
 		return -1;
 	}
 
+	return 0;
+}
+
+int board_mmc_init(bd_t *bis)
+{
+	int ret = 0;
+	uint32_t flash_type = SMEM_BOOT_NO_FLASH;
+	qca_smem_flash_info_t *sfi = &qca_smem_flash_info;
+	char *name = NULL;
+#ifdef CONFIG_QPIC_SERIAL
+	name = nand_info[CONFIG_NAND_FLASH_INFO_IDX].name;
+#endif
+
+	get_current_flash_type(&flash_type);
+
+	if (flash_type != SMEM_BOOT_NORPLUSNAND &&
+		flash_type !=  SMEM_BOOT_QSPI_NAND_FLASH &&
+		!name)
+		ret = do_mmc_init();
+
 	if (!ret && sfi->flash_type == SMEM_BOOT_MMC_FLASH) {
 		ret = board_mmc_env_init(mmc_host);
 	}
@@ -707,21 +731,34 @@ void reset_cpu(unsigned long a)
 	while(1);
 }
 
-void board_nand_init(void)
-{
 #ifdef CONFIG_QPIC_SERIAL
+void do_nand_init(void)
+{
 	/* check for nand node in dts
 	 * if nand node in dts is disabled then
 	 * simply return from here without
 	 * initializing
 	 */
 	int node;
+
 	node = fdt_path_offset(gd->fdt_blob, "/nand-controller");
 	if (!fdtdec_get_is_enabled(gd->fdt_blob, node)) {
 		printf("QPIC: disabled, skipping initialization\n");
 	} else {
 		qpic_nand_init(NULL);
 	}
+}
+#endif
+
+void board_nand_init(void)
+{
+#ifdef CONFIG_QPIC_SERIAL
+	uint32_t flash_type = SMEM_BOOT_NO_FLASH;
+
+	get_current_flash_type(&flash_type);
+	if (flash_type != SMEM_BOOT_NORPLUSEMMC &&
+		flash_type != SMEM_BOOT_MMC_FLASH)
+		do_nand_init();
 #endif
 #ifdef CONFIG_QCA_SPI
 	int gpio_node;

common/cmd_flashwrite.c

@@ -23,6 +23,10 @@
 #include <mmc.h>
 #include <sdhci.h>
 #include <ubi_uboot.h>
+#include <fdtdec.h>
+#include <asm/arch-qca-common/qpic_nand.h>
+#include <nand.h>
+
 
 DECLARE_GLOBAL_DATA_PTR;
 #ifndef CONFIG_SDHCI_SUPPORT
@@ -547,6 +551,48 @@ char * const argv[])
 }
 #endif
 
+#ifdef CONFIG_CMD_IPQ_FLASH_INIT
+static int do_flash_init(cmd_tbl_t *cmdtp, int flag, int argc,
+char * const argv[])
+{
+	int ret = 0;
+	char *name = NULL;
+	void *blk_dev = NULL;
+
+	if (argc < 2)
+		return CMD_RET_USAGE;
+
+#ifdef CONFIG_QCA_MMC
+	blk_dev = (void *)(mmc_get_dev(mmc_host.dev_num));
+
+#endif
+#ifdef CONFIG_QPIC_SERIAL
+	int nand_dev = CONFIG_NAND_FLASH_INFO_IDX;
+	name = nand_info[nand_dev].name;
+#endif
+
+	if (name || blk_dev) {
+		printf("Either NAND or eMMC already initialized\n");
+		return 0;
+	}
+
+#ifdef CONFIG_QCA_MMC
+	if (!strncmp(argv[1], "mmc", 3)) {
+		ret = do_mmc_init();
+		if (!ret)
+			ret = run_command("mmc info", 0);
+	}
+#endif
+#ifdef CONFIG_QPIC_SERIAL
+	if (!strncmp(argv[1], "nand", 4)) {
+		do_nand_init();
+		ret = (nand_info[nand_dev].name) ? 0: -1;
+	}
+#endif
+
+	return ret;
+}
+#endif
 U_BOOT_CMD(
 	flash,       4,      0,      do_flash,
 	"flash part_name \n"
@@ -575,3 +621,11 @@ U_BOOT_CMD(
 	"xtract the image and flash \n"
 );
 #endif
+
+#ifdef CONFIG_CMD_IPQ_FLASH_INIT
+U_BOOT_CMD(
+	flashinit,       2,      0,      do_flash_init,
+	"flashinit nand/mmc \n",
+	"Init the flash \n"
+);
+#endif

include/configs/ipq5332.h

@@ -440,4 +440,6 @@ extern loff_t board_env_size;
 #undef CONFIG_BOOTM_RTEMS
 #undef CONFIG_BOOTM_VXWORKS
 
+#define CONFIG_CMD_IPQ_FLASH_INIT
+
 #endif /* _IPQ5332_H */

tools/pack.py

@@ -1398,6 +1398,12 @@ class Pack(object):
         if flinfo.type == "emmc" and image_type == "all":
             first = True
 
+        if ARCH_NAME in ["ipq5332"]:
+            if flinfo.type == "nand" or self.flash_type == "norplusnand":
+                script.append("flashinit nand")
+            elif flinfo.type == "emmc" or self.flash_type == "norplusemmc":
+                script.append("flashinit mmc")
+
         for index in range(parts_length):
 
             filename = ""

tools/pack_v2.py

@@ -865,6 +865,11 @@ class Pack(object):
         if flinfo.type == "emmc" and image_type == "all":
             first = True
 
+        if flinfo.type == "nand" or self.flash_type == "norplusnand":
+            script.append("flashinit nand")
+        elif flinfo.type == "emmc" or self.flash_type == "norplusemmc":
+            script.append("flashinit mmc")
+
         section = parts[1]
         imgs = section.findall('img_name')
         pnames = section.findall('name')