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| author | Scott Wood <scottwood@freescale.com> | 2012-08-08 15:03:33 +0000 |
|---|---|---|
| committer | Andy Fleming <afleming@freescale.com> | 2012-08-22 16:07:43 -0500 |
| commit | 7b8f6685fb840fbaff0baf7d2297b4a2c7ddbf65 (patch) | |
| tree | fde0ee437ee015c8227318a96ad94d3992fca180 /nand_spl | |
| parent | 7de8a7169e0e87c960d06c60570bc062416e681f (diff) | |
| download | u-boot-imx-7b8f6685fb840fbaff0baf7d2297b4a2c7ddbf65.zip u-boot-imx-7b8f6685fb840fbaff0baf7d2297b4a2c7ddbf65.tar.gz u-boot-imx-7b8f6685fb840fbaff0baf7d2297b4a2c7ddbf65.tar.bz2 | |
nand/fsl_elbc: shrink SPL a bit by converting out_be32() to __raw_writel()
This is needed to make room for a bugfix on p1_p2_rdb_pc. A sync is used
before the final write to LSOR that initiates the transaction, to ensure
all the other set up has been completed.
Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
Diffstat (limited to 'nand_spl')
| -rw-r--r-- | nand_spl/nand_boot_fsl_elbc.c | 47 |
1 files changed, 25 insertions, 22 deletions
diff --git a/nand_spl/nand_boot_fsl_elbc.c b/nand_spl/nand_boot_fsl_elbc.c index 502605b..e9d6497 100644 --- a/nand_spl/nand_boot_fsl_elbc.c +++ b/nand_spl/nand_boot_fsl_elbc.c @@ -66,39 +66,42 @@ static void nand_load(unsigned int offs, int uboot_size, uchar *dst) if (large) { fmr |= FMR_ECCM; - out_be32(®s->fcr, (NAND_CMD_READ0 << FCR_CMD0_SHIFT) | - (NAND_CMD_READSTART << FCR_CMD1_SHIFT)); - out_be32(®s->fir, - (FIR_OP_CW0 << FIR_OP0_SHIFT) | - (FIR_OP_CA << FIR_OP1_SHIFT) | - (FIR_OP_PA << FIR_OP2_SHIFT) | - (FIR_OP_CW1 << FIR_OP3_SHIFT) | - (FIR_OP_RBW << FIR_OP4_SHIFT)); + __raw_writel((NAND_CMD_READ0 << FCR_CMD0_SHIFT) | + (NAND_CMD_READSTART << FCR_CMD1_SHIFT), + ®s->fcr); + __raw_writel( + (FIR_OP_CW0 << FIR_OP0_SHIFT) | + (FIR_OP_CA << FIR_OP1_SHIFT) | + (FIR_OP_PA << FIR_OP2_SHIFT) | + (FIR_OP_CW1 << FIR_OP3_SHIFT) | + (FIR_OP_RBW << FIR_OP4_SHIFT), + ®s->fir); } else { - out_be32(®s->fcr, NAND_CMD_READ0 << FCR_CMD0_SHIFT); - out_be32(®s->fir, - (FIR_OP_CW0 << FIR_OP0_SHIFT) | - (FIR_OP_CA << FIR_OP1_SHIFT) | - (FIR_OP_PA << FIR_OP2_SHIFT) | - (FIR_OP_RBW << FIR_OP3_SHIFT)); + __raw_writel(NAND_CMD_READ0 << FCR_CMD0_SHIFT, ®s->fcr); + __raw_writel( + (FIR_OP_CW0 << FIR_OP0_SHIFT) | + (FIR_OP_CA << FIR_OP1_SHIFT) | + (FIR_OP_PA << FIR_OP2_SHIFT) | + (FIR_OP_RBW << FIR_OP3_SHIFT), + ®s->fir); } - out_be32(®s->fbcr, 0); - clrsetbits_be32(®s->bank[0].br, BR_DECC, BR_DECC_CHK_GEN); + __raw_writel(0, ®s->fbcr); while (pos < uboot_size) { int i = 0; - out_be32(®s->fbar, offs >> block_shift); + __raw_writel(offs >> block_shift, ®s->fbar); do { int j; unsigned int page_offs = (offs & (block_size - 1)) << 1; - out_be32(®s->ltesr, ~0); - out_be32(®s->lteatr, 0); - out_be32(®s->fpar, page_offs); - out_be32(®s->fmr, fmr); - out_be32(®s->lsor, 0); + __raw_writel(~0, ®s->ltesr); + __raw_writel(0, ®s->lteatr); + __raw_writel(page_offs, ®s->fpar); + __raw_writel(fmr, ®s->fmr); + sync(); + __raw_writel(0, ®s->lsor); nand_wait(); page_offs %= WINDOW_SIZE; |