On 21:40 Mon 11 Feb , michael wrote:
> Add ide support to the arm cpu. Tested on arm little endian
> machine. Include #define __io in config board file.
>
> Signed-off-by: Michael Trimarchi <[EMAIL PROTECTED]>
> ---
>
> diff --git a/common/cmd_ide.c b/common/cmd_ide.c
> index c38be4f..e507c15 100644
> --- a/common/cmd_ide.c
> +++ b/common/cmd_ide.c
> @@ -934,7 +934,14 @@ output_data(int dev, ulong *sect_buf, int words)
> static void
> output_data(int dev, ulong *sect_buf, int words)
> {
> +#ifndef __ARM__
> outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words<<1);
> +#else
> + int i = words;
Why do you initialise "i" with words and re-initialize it at 0 in for?
> + u16 *buf = (u16 *) sect_buf;
> + for (i = 0; i < (words << 1); i++, buf++)
^
not needed space
> + outw(ATA_CURR_BASE(dev) + ATA_DATA_REG, buf);
> +#endif
> }
> #endif /* __PPC__ */
>
> @@ -992,7 +999,14 @@ input_data(int dev, ulong *sect_buf, int words)
> static void
> input_data(int dev, ulong *sect_buf, int words)
> {
> +#ifndef __ARM__
> insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1);
> +#else
> + int i;
> + volatile u16 *buf = (u16 *) sect_buf;
> + for(i = 0; i < (words << 1); i++, buf++)
> + *buf = inw(ATA_CURR_BASE(dev) + ATA_DATA_REG);
Why don"t you use readw and writew?
> +#endif
> }
>
> #endif /* __PPC__ */
> diff --git a/lib_arm/board.c b/lib_arm/board.c
> index 7e7a282..ddf4d5f 100644
> --- a/lib_arm/board.c
> +++ b/lib_arm/board.c
> @@ -435,6 +435,12 @@ extern void dm644x_eth_set_mac_addr (const u_int8_t
> *addr);
> reset_phy();
> #endif
> #endif
> +
> +#if defined(CONFIG_CMD_IDE)
> + puts("IDE: ");
> + ide_init();
> +#endif
> +
> /* main_loop() can return to retry autoboot, if so just run it again. */
> for (;;) {
> main_loop ();
>
>
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