[U-Boot] [PATCH 1/4] am33xx: add pll and clock support for TI814x CPSW

From: Tom Rini <trini@ti.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 1/4] am33xx: add pll and clock support for TI814x CPSW
Date: Fri, 15 Mar 2013 17:13:54 -0400	[thread overview]
Message-ID: <20130315211354.GC20201@bill-the-cat> (raw)
In-Reply-To: <1363381100-6364-2-git-send-email-mporter@ti.com>

On Fri, Mar 15, 2013 at 04:58:17PM -0400, Matt Porter wrote:

[snip]
> +	/* Ethernet */
> +	writel(PRCM_MOD_EN, &cmalwon->l3slowclkstctrl);
> +	while ((readl(&cmalwon->l3slowclkstctrl) & 0x2100) != 0x2100)
> +		;
> +	writel(PRCM_MOD_EN, &cmalwon->ethclkstctrl);
> +	writel(PRCM_MOD_EN, &cmalwon->ethernet0clkctrl);
> +	while ((readl(&cmalwon->ethernet0clkctrl) & 0x30000) != 0)
> +		;
> +	writel(PRCM_MOD_EN, &cmalwon->ethernet1clkctrl);
> +	while ((readl(&cmalwon->ethernet1clkctrl) & 0x30000) != 0)

Please define away the magic numbers.

[snip]
> +void sata_pll_config(void)
> +{
> +	/* TRM 21.3.1 */
> +	writel(0xc12c003c, &spll->pllcfg1);

I'm OK with comments, but please make it a multi-line thing that
explains what's going on so that it's clear that yes, really, we
shouldn't have defined these.

-- 
Tom
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