ENGR00112273 BBG2: MMC boot support.

BBG2: MMC boot support.

Signed-off-by: Terry Lv <r65388@freescale.com>

4 files changed, 234 insertions, 0 deletions

diff --git a/board/freescale/mx35_3stack/Makefile b/board/freescale/mx35_3stack/Makefile
index 4c38a8b..d310b82 100644
--- a/board/freescale/mx35_3stack/Makefile
+++ b/board/freescale/mx35_3stack/Makefile
@@ -25,6 +25,7 @@ LIB	= $(obj)lib$(BOARD).a
 
 COBJS	:= mx35_3stack.o
 SOBJS	:= lowlevel_init.o
+SOBJS	+= flash_header.o
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))
diff --git a/board/freescale/mx35_3stack/flash_header.S b/board/freescale/mx35_3stack/flash_header.S
new file mode 100644
index 0000000..6786e8d
--- /dev/null
+++ b/board/freescale/mx35_3stack/flash_header.S
@@ -0,0 +1,108 @@
+/*
+ * Copyright 2009 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <config.h>
+#include <asm/arch/mx35.h>
+#include "board-mx35_3stack.h"
+
+#ifdef	CONFIG_FLASH_HEADER
+#ifndef FHEADER_OFFSET
+# error "Must define the offset of flash header"
+#endif
+
+/* Flash header setup */
+#define DCDGEN(i,type, addr, data) \
+dcd_##i:                         ;\
+    .long type                   ;\
+    .long addr                   ;\
+    .long data
+
+#define GEN_FHEADERADDR(x) (x)
+
+.section ".text.flasheader", "x"
+	b _start
+	.org FHEADER_OFFSET
+app_code_jump_v:    .long GEN_FHEADERADDR(_start)
+app_code_barker:    .long 0xB1
+app_code_csf:       .long 0
+hwcfg_ptr_ptr:      .long GEN_FHEADERADDR(hwcfg_ptr)
+super_root_key:     .long 0
+hwcfg_ptr:          .long GEN_FHEADERADDR(dcd_data)
+app_dest_ptr:       .long TEXT_BASE
+dcd_data:           .long 0xB17219E9
+#ifdef MEMORY_MDDR_ENABLE
+                    .long (dcd_data_end - dcd_data - 8)
+
+//WEIM config-CS5 init
+DCDGEN(1, 4, 0xB8002054, 0x444a4541)
+DCDGEN(1_1, 4, 0xB8002050, 0x0000dcf6)
+DCDGEN(1_2, 4, 0xB8002058, 0x44443302)
+//MDDR init
+//enable mDDR
+DCDGEN(2, 4, 0xB8001010, 0x00000004)
+//reset delay time
+DCDGEN(3, 4, 0xB8001010, 0x0000000C)
+DCDGEN(4, 4, 0xB800100C, 0x007ffc3f)
+DCDGEN(5, 4, 0xB800100C, 0x007ffc3f)
+DCDGEN(6, 4, 0xB8001004, 0x007ffc3f)
+DCDGEN(7, 4, 0xB8001000, 0x92220000)
+DCDGEN(8, 1, 0x80000400, 0xda)
+DCDGEN(9, 4, 0xB8001000, 0xA2220000)
+DCDGEN(10, 4, 0x80000000, 0x87654321)
+DCDGEN(11, 4, 0x80000000, 0x87654321)
+DCDGEN(12, 4, 0xB8001000, 0xB2220000)
+DCDGEN(13, 1, 0x80000033, 0xda)
+DCDGEN(14, 1, 0x82000000, 0xda)
+DCDGEN(15, 4, 0xB8001000, 0x82226080)
+DCDGEN(16, 4, 0xB8001010, 0x00000004)
+DCDGEN(17, 4, 0xB8001008, 0x00002000)
+
+#else
+                    .long 240
+
+//WEIM config-CS5 init
+DCDGEN(1, 4, 0xB8002050, 0x0000d843)
+DCDGEN(1_1, 4, 0xB8002054, 0x22252521)
+DCDGEN(1_2, 4, 0xB8002058, 0x22220a00)
+
+//DDR2 init
+DCDGEN(2, 4, 0xB8001010, 0x00000304)
+DCDGEN(3, 4, 0xB8001010, 0x0000030C)
+DCDGEN(4, 4, 0xB8001004, 0x007ffc3f)
+DCDGEN(5, 4, 0xB8001000, 0x92220000)
+DCDGEN(6, 4, 0x80000400, 0x12345678)
+DCDGEN(7, 4, 0xB8001000, 0xA2220000)
+DCDGEN(8, 4, 0x80000000, 0x87654321)
+DCDGEN(9, 4, 0x80000000, 0x87654321)
+DCDGEN(10, 4, 0xB8001000, 0xB2220000)
+DCDGEN(11, 1, 0x80000233, 0xda)
+DCDGEN(12, 1, 0x82000780, 0xda)
+DCDGEN(13, 1, 0x82000400, 0xda)
+DCDGEN(14, 4, 0xB8001000, 0x82226080)
+DCDGEN(15, 4, 0xB8001004, 0x007ffc3f)
+DCDGEN(16, 4, 0xB800100C, 0x007ffc3f)
+DCDGEN(17, 4, 0xB8001010, 0x00000304)
+DCDGEN(18, 4, 0xB8001008, 0x00002000)
+
+#endif
+dcd_data_end:
+
+//CARD_FLASH_CFG_PARMS_T---length
+card_cfg:           .long 0x100000
+#endif
diff --git a/board/freescale/mx35_3stack/mx35_3stack.c b/board/freescale/mx35_3stack/mx35_3stack.c
index 41163f4..f7fb96a 100644
--- a/board/freescale/mx35_3stack/mx35_3stack.c
+++ b/board/freescale/mx35_3stack/mx35_3stack.c
@@ -29,8 +29,13 @@
 #include <asm/arch/mx35_pins.h>
 #include <asm/arch/iomux.h>
 #include <i2c.h>
+#include <linux/types.h>
 
+#ifdef CONFIG_MMC
+#include <asm/arch/sdhc.h>
+#endif
 DECLARE_GLOBAL_DATA_PTR;
+volatile u32 *esdhc_base_pointer;
 
 static u32 system_rev;
 
@@ -279,3 +284,121 @@ int board_eth_init(bd_t *bis)
 #endif
 	return rc;
 }
+
+#ifdef CONFIG_FSL_MMC
+
+int sdhc_init(void)
+{
+	u32 interface_esdhc = 0;
+	u32 pad_val = 0;
+
+	interface_esdhc = (readl(IIM_BASE_ADDR + 0x80c)) & (0x000000C0) >> 6;
+
+	if (!is_soc_rev(CHIP_REV_1_0)) {
+		pad_val = PAD_CTL_PUE_PUD | PAD_CTL_PKE_ENABLE |
+			PAD_CTL_HYS_SCHMITZ | PAD_CTL_DRV_MAX |
+			PAD_CTL_100K_PU | PAD_CTL_SRE_FAST;
+
+		switch (interface_esdhc) {
+		case 0:
+			debug("TO1 ESDHC1\n");
+
+			esdhc_base_pointer = \
+				(volatile u32 *)MMC_SDHC1_BASE_ADDR;
+
+			mxc_iomux_set_pad(MX35_PIN_SD1_DATA3, pad_val);
+			break;
+		case 1:
+			debug("TO1 ESDHC2\n");
+
+			esdhc_base_pointer = \
+				(volatile u32 *)MMC_SDHC2_BASE_ADDR;
+
+			mxc_iomux_set_pad(MX35_PIN_SD2_DATA3, pad_val);
+			break;
+		case 2:
+			debug("TO1 ESDHC3\n");
+
+			esdhc_base_pointer = \
+				(volatile u32 *)MMC_SDHC3_BASE_ADDR;
+
+			printf("TO1 ESDHC3 not supported!");
+			break;
+		default:
+			break;
+		}
+	} else if (!is_soc_rev(CHIP_REV_2_0)) {
+			/* IOMUX PROGRAMMING */
+		switch (interface_esdhc) {
+		case 0:
+			debug("TO2 ESDHC1\n");
+
+			esdhc_base_pointer = \
+				(volatile u32 *)MMC_SDHC1_BASE_ADDR;
+
+			pad_val = PAD_CTL_PUE_PUD | PAD_CTL_PKE_ENABLE |
+					PAD_CTL_HYS_SCHMITZ | PAD_CTL_DRV_HIGH |
+					PAD_CTL_47K_PU | PAD_CTL_SRE_FAST;
+			mxc_request_iomux(MX35_PIN_SD1_CLK,
+					MUX_CONFIG_FUNC | MUX_CONFIG_SION);
+			mxc_iomux_set_pad(MX35_PIN_SD1_CLK, pad_val);
+
+			pad_val = PAD_CTL_PUE_PUD | PAD_CTL_PKE_ENABLE |
+				PAD_CTL_HYS_SCHMITZ | PAD_CTL_DRV_HIGH |
+				PAD_CTL_100K_PU | PAD_CTL_SRE_FAST;
+			mxc_request_iomux(MX35_PIN_SD1_CMD,
+				MUX_CONFIG_FUNC | MUX_CONFIG_SION);
+			mxc_iomux_set_pad(MX35_PIN_SD1_CMD, pad_val);
+			mxc_request_iomux(MX35_PIN_SD1_DATA0,
+				  MUX_CONFIG_FUNC);
+			mxc_iomux_set_pad(MX35_PIN_SD1_DATA0, pad_val);
+			mxc_request_iomux(MX35_PIN_SD1_DATA3,
+				  MUX_CONFIG_FUNC);
+			mxc_iomux_set_pad(MX35_PIN_SD1_DATA3, pad_val);
+
+			break;
+		case 1:
+			debug("TO2 ESDHC2\n");
+
+			esdhc_base_pointer = \
+				(volatile u32 *)MMC_SDHC2_BASE_ADDR;
+
+			mxc_request_iomux(MX35_PIN_SD2_CLK,
+				  MUX_CONFIG_FUNC | MUX_CONFIG_SION);
+			mxc_request_iomux(MX35_PIN_SD2_CMD,
+				  MUX_CONFIG_FUNC | MUX_CONFIG_SION);
+			mxc_request_iomux(MX35_PIN_SD2_DATA0,
+				  MUX_CONFIG_FUNC);
+			mxc_request_iomux(MX35_PIN_SD2_DATA3,
+				  MUX_CONFIG_FUNC);
+
+			pad_val = PAD_CTL_PUE_PUD | PAD_CTL_PKE_ENABLE |
+				PAD_CTL_HYS_SCHMITZ | PAD_CTL_DRV_MAX |
+				PAD_CTL_47K_PU | PAD_CTL_SRE_FAST;
+			mxc_iomux_set_pad(MX35_PIN_SD2_CLK, pad_val);
+
+			pad_val = PAD_CTL_PUE_PUD | PAD_CTL_PKE_ENABLE |
+				PAD_CTL_HYS_SCHMITZ | PAD_CTL_DRV_MAX |
+				PAD_CTL_100K_PU | PAD_CTL_SRE_FAST;
+			mxc_iomux_set_pad(MX35_PIN_SD2_CMD, pad_val);
+			mxc_iomux_set_pad(MX35_PIN_SD2_DATA0, pad_val);
+			mxc_iomux_set_pad(MX35_PIN_SD2_DATA3, pad_val);
+
+			break;
+		case 2:
+			debug("TO2 ESDHC3\n");
+
+			esdhc_base_pointer = \
+				(volatile u32 *)MMC_SDHC3_BASE_ADDR;
+
+			printf("TO2 ESDHC3 not supported!");
+			break;
+		default:
+			break;
+		}
+	}
+
+	return 0;
+}
+
+#endif
diff --git a/board/freescale/mx35_3stack/u-boot.lds b/board/freescale/mx35_3stack/u-boot.lds
index 1b343be..c0156b5 100644
--- a/board/freescale/mx35_3stack/u-boot.lds
+++ b/board/freescale/mx35_3stack/u-boot.lds
@@ -38,6 +38,7 @@ SECTIONS
 	{
 	  /* WARNING - the following is hand-optimized to fit within	*/
 	  /* the sector layout of our flash chips!	XXX FIXME XXX	*/
+	  board/freescale/mx35_3stack/flash_header.o	(.text.flasheader)
 	  *(.text.head)		/*arm startup code*/
 	  *(.text.init)		/*platform lowlevel initial code*/
 	  *(.text.load)		/*load bootloader*/
@@ -47,6 +48,7 @@ SECTIONS
 	  lib_arm/libarm.a		(.text)
 	  net/libnet.a			(.text)
 	  drivers/mtd/libmtd.a		(.text)
+	  drivers/mmc/libmmc.a		(.text)
 
 	  . = DEFINED(env_offset) ? env_offset : .;
 	  common/env_embedded.o(.text)