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authorYang Ling <gnaygnil@gmail.com>2016-05-19 12:29:30 +0800
committerRalf Baechle <ralf@linux-mips.org>2016-10-04 16:13:57 +0200
commit12e3280b33fe1ada85b84f67613d03e1b6d8dbf6 (patch)
tree64f4f14777dacb875c01400d057f532b77795f21 /arch/mips/loongson32/common/platform.c
parenta1ca83869d4ea65afd5a6a403d5d5ec2c41ef60e (diff)
downloadlinux-stable-12e3280b33fe1ada85b84f67613d03e1b6d8dbf6.tar.gz
MIPS: Loongson1C: Add board support
Adds basic platform devices for Loongson1C, including serial port and ethernet. Signed-off-by: Yang Ling <gnaygnil@gmail.com> Cc: keguang.zhang@gmail.com Cc: chenhc@lemote.com Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/13304/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/loongson32/common/platform.c')
-rw-r--r--arch/mips/loongson32/common/platform.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/mips/loongson32/common/platform.c b/arch/mips/loongson32/common/platform.c
index f2c714d8fb60..4d12e365dcb0 100644
--- a/arch/mips/loongson32/common/platform.c
+++ b/arch/mips/loongson32/common/platform.c
@@ -17,6 +17,7 @@
#include <linux/stmmac.h>
#include <linux/usb/ehci_pdriver.h>
+#include <platform.h>
#include <loongson1.h>
#include <cpufreq.h>
#include <dma.h>
@@ -132,6 +133,7 @@ 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 +167,17 @@ 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 +185,11 @@ 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 +220,7 @@ 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 +254,7 @@ struct platform_device ls1x_eth1_pdev = {
.platform_data = &ls1x_eth1_pdata,
},
};
+#endif /* CONFIG_LOONGSON1_LS1B */
/* GPIO */
static struct resource ls1x_gpio0_resources[] = {