[U-Boot] [PATCH v2 3/3] MX53: Add initial support for MX53ARD board
Stefano Babic
sbabic at denx.de
Tue May 17 15:10:17 CEST 2011
On 05/17/2011 12:29 AM, Fabio Estevam wrote:
> Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>
Hi Fabio,
> +#define ETHERNET_INT (1*32 + 31) /* GPIO2_31 */
^-- missing space
If you want to write in this form, it should be "1 * 32 + 31".
> +void weim_cs1_settings()
> +{
> + unsigned int reg;
> + struct weim *weim_regs = (struct weim *)WEIM_BASE_ADDR;
> + struct iomuxc *iomuxc_regs = (struct weim *)IOMUXC_BASE_ADDR;
> +
> + writel(0x00020001, &weim_regs->cs1gcr1);
> + writel(0x00000000, &weim_regs->cs1gcr2);
> + writel(0x16000202, &weim_regs->cs1rcr1);
> + writel(0x00000002, &weim_regs->cs1rcr2);
> + writel(0x16002082, &weim_regs->cs1wcr1);
> + writel(0x00000000, &weim_regs->cs1wcr2);
> + writel(0x00000000, &weim_regs->wcr);
Can you add #defines to describe the weim registers ? Thius is helpful
for MX51, too.
> +
> + /* specify 64 MB on CS1 and CS0 */
> + reg = readl(&iomuxc_regs->gpr1);
> + reg &= ~0x3F;
> + reg |= 0x1B;
A macro to set the single chip select is better, something as
CS_SET_SIZE(chipselect, size), or something like that. What do you think
about it ?
Best regards,
Stefano Babic
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