diff options
Diffstat (limited to 'board/prodrive/alpr')
-rw-r--r-- | board/prodrive/alpr/alpr.c | 50 | ||||
-rw-r--r-- | board/prodrive/alpr/nand.c | 57 |
2 files changed, 49 insertions, 58 deletions
diff --git a/board/prodrive/alpr/alpr.c b/board/prodrive/alpr/alpr.c index 131a62d..cc491d0 100644 --- a/board/prodrive/alpr/alpr.c +++ b/board/prodrive/alpr/alpr.c @@ -48,36 +48,48 @@ int board_early_init_f (void) /*-------------------------------------------------------------------- * Setup the interrupt controller polarities, triggers, etc. *-------------------------------------------------------------------*/ - mtdcr (uic0sr, 0xffffffff); /* clear all */ - mtdcr (uic0er, 0x00000000); /* disable all */ - mtdcr (uic0cr, 0x00000009); /* SMI & UIC1 crit are critical */ - mtdcr (uic0pr, 0xfffffe03); /* per manual */ - mtdcr (uic0tr, 0x01c00000); /* per manual */ - mtdcr (uic0vr, 0x00000001); /* int31 highest, base=0x000 */ - mtdcr (uic0sr, 0xffffffff); /* clear all */ - + /* + * Because of the interrupt handling rework to handle 440GX interrupts + * with the common code, we needed to change names of the UIC registers. + * Here the new relationship: + * + * U-Boot name 440GX name + * ----------------------- + * UIC0 UICB0 + * UIC1 UIC0 + * UIC2 UIC1 + * UIC3 UIC2 + */ mtdcr (uic1sr, 0xffffffff); /* clear all */ mtdcr (uic1er, 0x00000000); /* disable all */ - mtdcr (uic1cr, 0x00000000); /* all non-critical */ - mtdcr (uic1pr, 0xffffe0ff); /* per ref-board manual */ - mtdcr (uic1tr, 0x00ffc000); /* per ref-board manual */ + mtdcr (uic1cr, 0x00000009); /* SMI & UIC1 crit are critical */ + mtdcr (uic1pr, 0xfffffe03); /* per manual */ + mtdcr (uic1tr, 0x01c00000); /* per manual */ mtdcr (uic1vr, 0x00000001); /* int31 highest, base=0x000 */ mtdcr (uic1sr, 0xffffffff); /* clear all */ mtdcr (uic2sr, 0xffffffff); /* clear all */ mtdcr (uic2er, 0x00000000); /* disable all */ mtdcr (uic2cr, 0x00000000); /* all non-critical */ - mtdcr (uic2pr, 0xffffffff); /* per ref-board manual */ - mtdcr (uic2tr, 0x00ff8c0f); /* per ref-board manual */ + mtdcr (uic2pr, 0xffffe0ff); /* per ref-board manual */ + mtdcr (uic2tr, 0x00ffc000); /* per ref-board manual */ mtdcr (uic2vr, 0x00000001); /* int31 highest, base=0x000 */ mtdcr (uic2sr, 0xffffffff); /* clear all */ - mtdcr (uicb0sr, 0xfc000000); /* clear all */ - mtdcr (uicb0er, 0x00000000); /* disable all */ - mtdcr (uicb0cr, 0x00000000); /* all non-critical */ - mtdcr (uicb0pr, 0xfc000000); /* */ - mtdcr (uicb0tr, 0x00000000); /* */ - mtdcr (uicb0vr, 0x00000001); /* */ + mtdcr (uic3sr, 0xffffffff); /* clear all */ + mtdcr (uic3er, 0x00000000); /* disable all */ + mtdcr (uic3cr, 0x00000000); /* all non-critical */ + mtdcr (uic3pr, 0xffffffff); /* per ref-board manual */ + mtdcr (uic3tr, 0x00ff8c0f); /* per ref-board manual */ + mtdcr (uic3vr, 0x00000001); /* int31 highest, base=0x000 */ + mtdcr (uic3sr, 0xffffffff); /* clear all */ + + mtdcr (uic0sr, 0xfc000000); /* clear all */ + mtdcr (uic0er, 0x00000000); /* disable all */ + mtdcr (uic0cr, 0x00000000); /* all non-critical */ + mtdcr (uic0pr, 0xfc000000); /* */ + mtdcr (uic0tr, 0x00000000); /* */ + mtdcr (uic0vr, 0x00000001); /* */ /* Setup shutdown/SSD empty interrupt as inputs */ out32(GPIO0_TCR, in32(GPIO0_TCR) & ~(CFG_GPIO_SHUTDOWN | CFG_GPIO_SSD_EMPTY)); diff --git a/board/prodrive/alpr/nand.c b/board/prodrive/alpr/nand.c index 097e183..99f5737 100644 --- a/board/prodrive/alpr/nand.c +++ b/board/prodrive/alpr/nand.c @@ -56,43 +56,24 @@ static struct alpr_ndfc_regs *alpr_ndfc = NULL; * * There are 2 NAND devices on the board, a Hynix HY27US08561A (1 GByte). */ -static void alpr_nand_hwcontrol(struct mtd_info *mtd, int cmd) +static void alpr_nand_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl) { - switch (cmd) { - case NAND_CTL_SETCLE: - hwctl |= 0x1; - break; - case NAND_CTL_CLRCLE: - hwctl &= ~0x1; - break; - case NAND_CTL_SETALE: - hwctl |= 0x2; - break; - case NAND_CTL_CLRALE: - hwctl &= ~0x2; - break; - case NAND_CTL_SETNCE: - break; - case NAND_CTL_CLRNCE: - writeb(0x00, &(alpr_ndfc->term)); - break; - } -} - -static void alpr_nand_write_byte(struct mtd_info *mtd, u_char byte) -{ - struct nand_chip *nand = mtd->priv; + struct nand_chip *this = mtd->priv; - if (hwctl & 0x1) - /* - * IO_ADDR_W used as CMD[i] reg to support multiple NAND - * chips. - */ - writeb(byte, nand->IO_ADDR_W); - else if (hwctl & 0x2) { - writeb(byte, &(alpr_ndfc->addr_wait)); - } else - writeb(byte, &(alpr_ndfc->data)); + if (ctrl & NAND_CTRL_CHANGE) { + if ( ctrl & NAND_CLE ) + hwctl |= 0x1; + else + hwctl &= ~0x1; + if ( ctrl & NAND_ALE ) + hwctl |= 0x2; + else + hwctl &= ~0x2; + if ( (ctrl & NAND_NCE) != NAND_NCE) + writeb(0x00, &(alpr_ndfc->term)); + } + if (cmd != NAND_CMD_NONE) + writeb(cmd, this->IO_ADDR_W); } static u_char alpr_nand_read_byte(struct mtd_info *mtd) @@ -158,12 +139,10 @@ int board_nand_init(struct nand_chip *nand) { alpr_ndfc = (struct alpr_ndfc_regs *)CFG_NAND_BASE; - nand->eccmode = NAND_ECC_SOFT; + nand->ecc.mode = NAND_ECC_SOFT; /* Reference hardware control function */ - nand->hwcontrol = alpr_nand_hwcontrol; - /* Set command delay time */ - nand->write_byte = alpr_nand_write_byte; + nand->cmd_ctrl = alpr_nand_hwcontrol; nand->read_byte = alpr_nand_read_byte; nand->write_buf = alpr_nand_write_buf; nand->read_buf = alpr_nand_read_buf; |