diff options
Diffstat (limited to 'arch/mips/loongson32/common/platform.c')
| -rw-r--r-- | arch/mips/loongson32/common/platform.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/mips/loongson32/common/platform.c b/arch/mips/loongson32/common/platform.c index f2c714d8fb60..beff0852c6a4 100644 --- a/arch/mips/loongson32/common/platform.c +++ b/arch/mips/loongson32/common/platform.c @@ -17,11 +17,16 @@ #include <linux/stmmac.h> #include <linux/usb/ehci_pdriver.h> +#include <platform.h> #include <loongson1.h> #include <cpufreq.h> #include <dma.h> #include <nand.h> +#define LS1X_RTC_CTRL ((void __iomem *)KSEG1ADDR(LS1X_RTC_BASE + 0x40)) +#define RTC_EXTCLK_OK (BIT(5) | BIT(8)) +#define RTC_EXTCLK_EN BIT(8) + /* 8250/16550 compatible UART */ #define LS1X_UART(_id) \ { \ @@ -65,6 +70,15 @@ void __init ls1x_serial_set_uartclk(struct platform_device *pdev) p->uartclk = clk_get_rate(clk); } +void __init ls1x_rtc_set_extclk(struct platform_device *pdev) +{ + u32 val; + + val = __raw_readl(LS1X_RTC_CTRL); + if (!(val & RTC_EXTCLK_OK)) + __raw_writel(val | RTC_EXTCLK_EN, LS1X_RTC_CTRL); +} + /* CPUFreq */ static struct plat_ls1x_cpufreq ls1x_cpufreq_pdata = { .clk_name = "cpu_clk", @@ -132,6 +146,7 @@ int ls1x_eth_mux_init(struct platform_device *pdev, void *priv) val = __raw_readl(LS1X_MUX_CTRL1); +#if defined(CONFIG_LOONGSON1_LS1B) plat_dat = dev_get_platdata(&pdev->dev); if (plat_dat->bus_id) { __raw_writel(__raw_readl(LS1X_MUX_CTRL0) | GMAC1_USE_UART1 | @@ -165,6 +180,17 @@ int ls1x_eth_mux_init(struct platform_device *pdev, void *priv) val &= ~GMAC0_SHUT; } __raw_writel(val, LS1X_MUX_CTRL1); +#elif defined(CONFIG_LOONGSON1_LS1C) + plat_dat = dev_get_platdata(&pdev->dev); + + val &= ~PHY_INTF_SELI; + if (plat_dat->interface == PHY_INTERFACE_MODE_RMII) + val |= 0x4 << PHY_INTF_SELI_SHIFT; + __raw_writel(val, LS1X_MUX_CTRL1); + + val = __raw_readl(LS1X_MUX_CTRL0); + __raw_writel(val & (~GMAC_SHUT), LS1X_MUX_CTRL0); +#endif return 0; } @@ -172,7 +198,11 @@ int ls1x_eth_mux_init(struct platform_device *pdev, void *priv) static struct plat_stmmacenet_data ls1x_eth0_pdata = { .bus_id = 0, .phy_addr = -1, +#if defined(CONFIG_LOONGSON1_LS1B) .interface = PHY_INTERFACE_MODE_MII, +#elif defined(CONFIG_LOONGSON1_LS1C) + .interface = PHY_INTERFACE_MODE_RMII, +#endif .mdio_bus_data = &ls1x_mdio_bus_data, .dma_cfg = &ls1x_eth_dma_cfg, .has_gmac = 1, @@ -203,6 +233,7 @@ struct platform_device ls1x_eth0_pdev = { }, }; +#ifdef CONFIG_LOONGSON1_LS1B static struct plat_stmmacenet_data ls1x_eth1_pdata = { .bus_id = 1, .phy_addr = -1, @@ -236,6 +267,7 @@ struct platform_device ls1x_eth1_pdev = { .platform_data = &ls1x_eth1_pdata, }, }; +#endif /* CONFIG_LOONGSON1_LS1B */ /* GPIO */ static struct resource ls1x_gpio0_resources[] = { |