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authorPo Liu <po.liu@freescale.com>2014-01-10 10:10:58 +0800
committerYork Sun <yorksun@freescale.com>2014-01-21 13:42:01 -0800
commit6609916efb74724e53db368dd48bfb290d4d9f4c (patch)
treeb3fabb33b4de7f9db70eaa148d760bcb5416f193
parent76356eb57cdf607d4e77dd57cd0449d7f5b7bdab (diff)
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powerpc:mpc85xx: Add ifc nand boot support for TPL/SPL
Using the TPL method for nand boot by sram was already supported. Here add some code for mpc85xx ifc nand boot. - For ifc, elbc, esdhc, espi, all need the SPL without section .resetvec. - Use a clear function name for nand spl boot. - Add CONFIG_SPL_DRIVERS_MISC_SUPPORT to compile the fsl_ifc.c in spl/Makefile; Signed-off-by: Po Liu <Po.Liu@freescale.com> Acked-by: Scott Wood <scottwood@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
-rw-r--r--arch/powerpc/cpu/mpc85xx/u-boot-spl.lds15
-rw-r--r--doc/README.SPL1
-rw-r--r--drivers/mtd/nand/fsl_ifc_spl.c31
-rw-r--r--spl/Makefile1
4 files changed, 34 insertions, 14 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/u-boot-spl.lds b/arch/powerpc/cpu/mpc85xx/u-boot-spl.lds
index bc13267..acaa093 100644
--- a/arch/powerpc/cpu/mpc85xx/u-boot-spl.lds
+++ b/arch/powerpc/cpu/mpc85xx/u-boot-spl.lds
@@ -57,7 +57,14 @@ SECTIONS
. = ALIGN(8);
__init_begin = .;
__init_end = .;
-/* FIXME for non-NAND SPL */
+
+/* For ifc, elbc, esdhc, espi, all need the SPL without section .resetvec */
+#ifdef CONFIG_SYS_MPC85XX_NO_RESETVEC
+ .bootpg ADDR(.text) - 0x1000 :
+ {
+ KEEP(*(.bootpg))
+ } :text = 0xffff
+#else
#if defined(CONFIG_FSL_IFC) /* Restrict bootpg at 4K boundry for IFC */
.bootpg ADDR(.text) + 0x1000 :
{
@@ -69,12 +76,6 @@ SECTIONS
#else
#error unknown NAND controller
#endif
-#ifdef CONFIG_SYS_MPC85XX_NO_RESETVEC
- .bootpg ADDR(.text) - 0x1000 :
- {
- KEEP(*(.bootpg))
- } :text = 0xffff
-#else
.resetvec ADDR(.text) + RESET_VECTOR_OFFSET : {
KEEP(*(.resetvec))
} = 0xffff
diff --git a/doc/README.SPL b/doc/README.SPL
index 312a6a6..b1bc3ca 100644
--- a/doc/README.SPL
+++ b/doc/README.SPL
@@ -62,6 +62,7 @@ CONFIG_SPL_FAT_SUPPORT (fs/fat/libfat.o)
CONFIG_SPL_LIBGENERIC_SUPPORT (lib/libgeneric.o)
CONFIG_SPL_POWER_SUPPORT (drivers/power/libpower.o)
CONFIG_SPL_NAND_SUPPORT (drivers/mtd/nand/libnand.o)
+CONFIG_SPL_DRIVERS_MISC_SUPPORT (drivers/misc)
CONFIG_SPL_DMA_SUPPORT (drivers/dma/libdma.o)
CONFIG_SPL_POST_MEM_SUPPORT (post/drivers/memory.o)
CONFIG_SPL_NAND_LOAD (drivers/mtd/nand/nand_spl_load.o)
diff --git a/drivers/mtd/nand/fsl_ifc_spl.c b/drivers/mtd/nand/fsl_ifc_spl.c
index 9de327b..6b43496 100644
--- a/drivers/mtd/nand/fsl_ifc_spl.c
+++ b/drivers/mtd/nand/fsl_ifc_spl.c
@@ -88,7 +88,11 @@ static inline int bad_block(uchar *marker, int port_size)
return __raw_readw((u16 *)marker) != 0xffff;
}
-static void nand_load(unsigned int offs, int uboot_size, uchar *dst)
+#ifdef CONFIG_TPL_BUILD
+int nand_spl_load_image(uint32_t offs, unsigned int uboot_size, void *vdst)
+#else
+static int nand_load(uint32_t offs, unsigned int uboot_size, void *vdst)
+#endif
{
struct fsl_ifc *ifc = IFC_BASE_ADDR;
uchar *buf = (uchar *)CONFIG_SYS_NAND_BASE;
@@ -105,6 +109,7 @@ static void nand_load(unsigned int offs, int uboot_size, uchar *dst)
int sram_addr;
int pg_no;
+ uchar *dst = vdst;
/* Get NAND Flash configuration */
csor = CONFIG_SYS_NAND_CSOR;
@@ -208,9 +213,20 @@ static void nand_load(unsigned int offs, int uboot_size, uchar *dst)
offs += page_size;
} while ((offs & (blk_size - 1)) && (pos < uboot_size));
}
+
+ return 0;
}
/*
+ * Defines a static function nand_load_image() here, because non-static makes
+ * the code too large for certain SPLs(minimal SPL, maximum size <= 4Kbytes)
+ */
+#ifndef CONFIG_TPL_BUILD
+#define nand_spl_load_image(offs, uboot_size, vdst) \
+ nand_load(offs, uboot_size, vdst)
+#endif
+
+/*
* Main entrypoint for NAND Boot. It's necessary that SDRAM is already
* configured and available since this code loads the main U-boot image
* from NAND into SDRAM and starts from there.
@@ -221,16 +237,17 @@ void nand_boot(void)
/*
* Load U-Boot image from NAND into RAM
*/
- nand_load(CONFIG_SYS_NAND_U_BOOT_OFFS, CONFIG_SYS_NAND_U_BOOT_SIZE,
- (uchar *)CONFIG_SYS_NAND_U_BOOT_DST);
+ nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS,
+ CONFIG_SYS_NAND_U_BOOT_SIZE,
+ (uchar *)CONFIG_SYS_NAND_U_BOOT_DST);
#ifdef CONFIG_NAND_ENV_DST
- nand_load(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
- (uchar *)CONFIG_NAND_ENV_DST);
+ nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
+ (uchar *)CONFIG_NAND_ENV_DST);
#ifdef CONFIG_ENV_OFFSET_REDUND
- nand_load(CONFIG_ENV_OFFSET_REDUND, CONFIG_ENV_SIZE,
- (uchar *)CONFIG_NAND_ENV_DST + CONFIG_ENV_SIZE);
+ nand_spl_load_image(CONFIG_ENV_OFFSET_REDUND, CONFIG_ENV_SIZE,
+ (uchar *)CONFIG_NAND_ENV_DST + CONFIG_ENV_SIZE);
#endif
#endif
/*
diff --git a/spl/Makefile b/spl/Makefile
index 5e5472d..ceb425b 100644
--- a/spl/Makefile
+++ b/spl/Makefile
@@ -72,6 +72,7 @@ LIBS-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
LIBS-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/ \
drivers/power/pmic/
LIBS-$(if $(CONFIG_CMD_NAND),$(CONFIG_SPL_NAND_SUPPORT)) += drivers/mtd/nand/
+LIBS-$(CONFIG_SPL_DRIVERS_MISC_SUPPORT) += drivers/misc/
LIBS-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/
LIBS-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/
LIBS-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/