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[ar71xx] ag71xx: introduce SoC specific fuctions for DDR flush and PLL setup

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13369 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg
2008-11-26 20:00:41 +00:00
parent aedeeb1874
commit 7188638a39
7 changed files with 126 additions and 61 deletions
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43
target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_phy.c
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@@ -13,46 +13,6 @@
#include "ag71xx.h"
#define PLL_SEC_CONFIG 0x18050004
#define PLL_ETH0_INT_CLOCK 0x18050010
#define PLL_ETH1_INT_CLOCK 0x18050014
#define PLL_ETH_EXT_CLOCK 0x18050018
#define ag71xx_pll_shift(_ag) (((_ag)->pdev->id) ? 19 : 17)
#define ag71xx_pll_offset(_ag) (((_ag)->pdev->id) ? PLL_ETH1_INT_CLOCK \
: PLL_ETH0_INT_CLOCK)
static void ag71xx_set_pll(struct ag71xx *ag, u32 pll_val)
{
void __iomem *pll_reg = ioremap_nocache(ag71xx_pll_offset(ag), 4);
void __iomem *pll_cfg = ioremap_nocache(PLL_SEC_CONFIG, 4);
u32 s;
u32 t;
s = ag71xx_pll_shift(ag);
t = __raw_readl(pll_cfg);
t &= ~(3 << s);
t |= (2 << s);
__raw_writel(t, pll_cfg);
udelay(100);
__raw_writel(pll_val, pll_reg);
t |= (3 << s);
__raw_writel(t, pll_cfg);
udelay(100);
t &= ~(3 << s);
__raw_writel(t, pll_cfg);
udelay(100);
DBG("%s: pll_reg %#x: %#x\n", ag->dev->name,
(unsigned int)pll_reg, __raw_readl(pll_reg));
iounmap(pll_cfg);
iounmap(pll_reg);
}
static unsigned char *ag71xx_speed_str(struct ag71xx *ag)
{
switch (ag->speed) {
@@ -79,6 +39,7 @@ static unsigned char *ag71xx_speed_str(struct ag71xx *ag)
static void ag71xx_phy_link_update(struct ag71xx *ag)
{
struct ag71xx_platform_data *pdata = ag71xx_get_pdata(ag);
u32 cfg2;
u32 ifctl;
u32 pll;
@@ -126,7 +87,7 @@ static void ag71xx_phy_link_update(struct ag71xx *ag)
}
ag71xx_wr(ag, AG71XX_REG_FIFO_CFG3, 0x008001ff);
ag71xx_set_pll(ag, pll);
pdata->set_pll(pll);
ag71xx_mii_ctrl_set_speed(ag, mii_speed);
ag71xx_wr(ag, AG71XX_REG_MAC_CFG2, cfg2);