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sunxi: add gmac Ethernet support

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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>
Reviewed-by: Marek Vasut <marex@denx.de>
Reviewed-by: Tom Rini <trini@ti.com>
This commit is contained in:
Ian Campbell 2014-05-05 11:52:28 +01:00 committed by Albert ARIBAUD
parent 7d20d7eb13
commit 5835823da3
6 changed files with 75 additions and 1 deletions
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23
arch/arm/cpu/armv7/sunxi/board.c
View file

@ -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 +88,24 @@ void enable_caches(void)
dcache_enable();
}
#endif
#ifdef CONFIG_CMD_NET
/*
* Initializes on-chip ethernet controllers.
* to override, implement board_eth_init()
*/
int cpu_eth_init(bd_t *bis)
{
int rc;
#ifdef CONFIG_SUNXI_GMAC
rc = sunxi_gmac_initialize(bis);
if (rc < 0) {
printf("sunxi: failed to initialize gmac\n");
return rc;
}
#endif
return 0;
}
#endif

1
board/sunxi/Makefile
View file

@ -9,4 +9,5 @@
# SPDX-License-Identifier: GPL-2.0+
#
obj-y += board.o
obj-$(CONFIG_SUNXI_GMAC) += gmac.o
obj-$(CONFIG_CUBIETRUCK) += dram_cubietruck.o

32
board/sunxi/gmac.c Normal file
View file

@ -0,0 +1,32 @@
#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);
}
return designware_initialize(SUNXI_GMAC_BASE, PHY_INTERFACE_MODE_RGMII);
}

2
boards.cfg
View file

@ -379,7 +379,7 @@ Active arm armv7 rmobile renesas lager
Active arm armv7 s5pc1xx samsung goni s5p_goni - Przemyslaw Marczak <p.marczak@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>

17
include/configs/sunxi-common.h
View file

@ -127,6 +127,23 @@
#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_DNS
#define CONFIG_NETCONSOLE
#define CONFIG_BOOTP_DNS2
#define CONFIG_BOOTP_SEND_HOSTNAME
#endif
#if !defined CONFIG_ENV_IS_IN_MMC && \
!defined CONFIG_ENV_IS_IN_NAND && \
!defined CONFIG_ENV_IS_IN_FAT && \

1
include/netdev.h
View file

@ -78,6 +78,7 @@ 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);