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From 4b39387594767ac865caa8710d1be39e869926e3 Mon Sep 17 00:00:00 2001
From: Ian Campbell <ijc@hellion.org.uk>
Date: Fri, 18 Apr 2014 19:05:47 +0100
Subject: [PATCH 23/36] sunxi: add gmac Ethernet support
Add support for the GMAC Ethernet controller on Allwinner A20 (sun7i)
processors. Enable for the Cubietruck.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Jens Kuske <jenskuske@gmail.com>
Signed-off-by: Ian Campbell <ijc@hellion.org.uk>
---
arch/arm/cpu/armv7/sunxi/board.c | 15 +++++++++++++++
boards.cfg | 2 +-
drivers/net/Makefile | 1 +
drivers/net/sunxi_gmac.c | 34 ++++++++++++++++++++++++++++++++++
include/configs/sunxi-common.h | 26 ++++++++++++++++++++++++++
include/netdev.h | 1 +
6 files changed, 78 insertions(+), 1 deletion(-)
create mode 100644 drivers/net/sunxi_gmac.c
diff --git a/arch/arm/cpu/armv7/sunxi/board.c b/arch/arm/cpu/armv7/sunxi/board.c
index b5c0cb7..9755320 100644
--- a/arch/arm/cpu/armv7/sunxi/board.c
+++ b/arch/arm/cpu/armv7/sunxi/board.c
@@ -11,6 +11,8 @@
*/
#include <common.h>
+#include <netdev.h>
+#include <miiphy.h>
#include <serial.h>
#ifdef CONFIG_SPL_BUILD
#include <spl.h>
@@ -86,3 +88,16 @@ void enable_caches(void)
dcache_enable();
}
#endif
+
+#if defined(CONFIG_SUNXI_GMAC)
+/*
+ * Initializes on-chip ethernet controllers.
+ * to override, implement board_eth_init()
+ */
+int cpu_eth_init(bd_t *bis)
+{
+ sunxi_gmac_initialize(bis);
+
+ return 0;
+}
+#endif
diff --git a/boards.cfg b/boards.cfg
index 306f891..ddc3c86 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -372,7 +372,7 @@ Active arm armv7 rmobile renesas lager
Active arm armv7 s5pc1xx samsung goni s5p_goni - Mateusz Zalega <m.zalega@samsung.com>
Active arm armv7 s5pc1xx samsung smdkc100 smdkc100 - Minkyu Kang <mk7.kang@samsung.com>
Active arm armv7 socfpga altera socfpga socfpga_cyclone5 - -
-Active arm armv7 sunxi - sunxi Cubietruck_FEL sun7i:CUBIETRUCK,SPL_FEL -
+Active arm armv7 sunxi - sunxi Cubietruck_FEL sun7i:CUBIETRUCK,SPL_FEL,SUNXI_GMAC,RGMII -
Active arm armv7 u8500 st-ericsson snowball snowball - Mathieu Poirier <mathieu.poirier@linaro.org>
Active arm armv7 u8500 st-ericsson u8500 u8500_href - -
Active arm armv7 vf610 freescale vf610twr vf610twr vf610twr:IMX_CONFIG=board/freescale/vf610twr/imximage.cfg Alison Wang <b18965@freescale.com>
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index 7f9ce90..2300c00 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -51,6 +51,7 @@ obj-$(CONFIG_SH_ETHER) += sh_eth.o
obj-$(CONFIG_SMC91111) += smc91111.o
obj-$(CONFIG_SMC911X) += smc911x.o
obj-$(CONFIG_SUNXI_WEMAC) += sunxi_wemac.o
+obj-$(CONFIG_SUNXI_GMAC) += sunxi_gmac.o
obj-$(CONFIG_DRIVER_TI_EMAC) += davinci_emac.o
obj-$(CONFIG_TSEC_ENET) += tsec.o fsl_mdio.o
obj-$(CONFIG_DRIVER_TI_CPSW) += cpsw.o
diff --git a/drivers/net/sunxi_gmac.c b/drivers/net/sunxi_gmac.c
new file mode 100644
index 0000000..15cd1fb
--- /dev/null
+++ b/drivers/net/sunxi_gmac.c
@@ -0,0 +1,34 @@
+#include <common.h>
+#include <netdev.h>
+#include <miiphy.h>
+#include <asm/gpio.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/gpio.h>
+
+int sunxi_gmac_initialize(bd_t *bis)
+{
+ int pin;
+ struct sunxi_ccm_reg *const ccm =
+ (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
+
+ /* Set up clock gating */
+ setbits_le32(&ccm->ahb_gate1, 0x1 << AHB_GATE_OFFSET_GMAC);
+
+ /* Set MII clock */
+ setbits_le32(&ccm->gmac_clk_cfg, CCM_GMAC_CTRL_TX_CLK_SRC_INT_RGMII |
+ CCM_GMAC_CTRL_GPIT_RGMII);
+
+ /* Configure pin mux settings for GMAC */
+ for (pin = SUNXI_GPA(0); pin <= SUNXI_GPA(16); pin++) {
+ /* skip unused pins in RGMII mode */
+ if (pin == SUNXI_GPA(9) || pin == SUNXI_GPA(14))
+ continue;
+ sunxi_gpio_set_cfgpin(pin, SUN7I_GPA0_GMAC);
+ sunxi_gpio_set_drv(pin, 3);
+ }
+
+ designware_initialize(SUNXI_GMAC_BASE, PHY_INTERFACE_MODE_RGMII);
+
+ return 0;
+}
diff --git a/include/configs/sunxi-common.h b/include/configs/sunxi-common.h
index 3f7e314..b76c3b0 100644
--- a/include/configs/sunxi-common.h
+++ b/include/configs/sunxi-common.h
@@ -127,6 +127,32 @@
#define CONFIG_CONS_INDEX 1 /* UART0 */
+#ifdef CONFIG_SUNXI_GMAC
+#define CONFIG_DESIGNWARE_ETH /* GMAC can use designware driver */
+#define CONFIG_DW_AUTONEG
+#define CONFIG_PHY_GIGE /* GMAC can use gigabit PHY */
+#define CONFIG_PHY_ADDR 1
+#define CONFIG_MII /* MII PHY management */
+#define CONFIG_PHYLIB
+#endif
+
+#ifdef CONFIG_CMD_NET
+#define CONFIG_CMD_NFS
+#define CONFIG_CMD_SNTP
+#define CONFIG_TIMESTAMP /* Needed by SNTP */
+#define CONFIG_CMD_DNS
+#define CONFIG_NETCONSOLE
+#define CONFIG_BOOTP_NISDOMAIN
+#define CONFIG_BOOTP_BOOTFILESIZE
+#define CONFIG_BOOTP_DNS2
+#define CONFIG_BOOTP_SEND_HOSTNAME
+#define CONFIG_BOOTP_NTPSERVER
+#define CONFIG_BOOTP_TIMEOFFSET
+#define CONFIG_BOOTP_MAY_FAIL
+#define CONFIG_BOOTP_SERVERIP
+#define CONFIG_BOOTP_DHCP_REQUEST_DELAY 50000
+#endif
+
#if !defined CONFIG_ENV_IS_IN_MMC && \
!defined CONFIG_ENV_IS_IN_NAND && \
!defined CONFIG_ENV_IS_IN_FAT && \
diff --git a/include/netdev.h b/include/netdev.h
index 32b5073..fc4a2f8 100644
--- a/include/netdev.h
+++ b/include/netdev.h
@@ -79,6 +79,7 @@ int sh_eth_initialize(bd_t *bis);
int skge_initialize(bd_t *bis);
int smc91111_initialize(u8 dev_num, int base_addr);
int smc911x_initialize(u8 dev_num, int base_addr);
+int sunxi_gmac_initialize(bd_t *bis);
int sunxi_wemac_initialize(bd_t *bis);
int tsi108_eth_initialize(bd_t *bis);
int uec_standard_init(bd_t *bis);
--
1.9.0
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