ARM: rmobile: salvator-x: Add RAVB ethernet support

Add support for the AVB ethernet on the Salvator-X board.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

board/renesas/salvator-x/salvator-x.c

@@ -49,6 +49,7 @@ void s_init(void)
 #define TMU0_MSTP125		BIT(25)	/* secure */
 #define TMU1_MSTP124		BIT(24)	/* non-secure */
 #define SCIF2_MSTP310		BIT(10)	/* SCIF2 */
+#define ETHERAVB_MSTP812	BIT(12)
 #define SD0_MSTP314		BIT(14)
 #define SD1_MSTP313		BIT(13)
 #define SD2_MSTP312		BIT(12)	/* either MMC0 */
@@ -65,6 +66,8 @@ int board_early_init_f(void)
 	mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125 | TMU1_MSTP124);
 	/* SCIF2 */
 	mstp_clrbits_le32(MSTPSR3, SMSTPCR3, SCIF2_MSTP310);
+	/* EHTERAVB */
+	mstp_clrbits_le32(MSTPSR8, SMSTPCR8, ETHERAVB_MSTP812);
 	/* eMMC */
 	mstp_clrbits_le32(MSTPSR3, SMSTPCR3, SD1_MSTP313 | SD2_MSTP312);
 	/* SDHI0, 3 */
@@ -99,9 +102,52 @@ int board_init(void)
 
 	mstp_clrbits_le32(MSTPSR1, SMSTPCR1, GSX_MSTP112);
 
+#ifdef CONFIG_RAVB
+	/* EtherAVB Enable */
+	/* GPSR2 */
+	gpio_request(GPIO_GFN_AVB_AVTP_CAPTURE_A, NULL);
+	gpio_request(GPIO_GFN_AVB_AVTP_MATCH_A, NULL);
+	gpio_request(GPIO_GFN_AVB_LINK, NULL);
+	gpio_request(GPIO_GFN_AVB_PHY_INT, NULL);
+	gpio_request(GPIO_GFN_AVB_MAGIC, NULL);
+	gpio_request(GPIO_GFN_AVB_MDC, NULL);
+
+	/* IPSR0 */
+	gpio_request(GPIO_IFN_AVB_MDC, NULL);
+	gpio_request(GPIO_IFN_AVB_MAGIC, NULL);
+	gpio_request(GPIO_IFN_AVB_PHY_INT, NULL);
+	gpio_request(GPIO_IFN_AVB_LINK, NULL);
+	gpio_request(GPIO_IFN_AVB_AVTP_MATCH_A, NULL);
+	gpio_request(GPIO_IFN_AVB_AVTP_CAPTURE_A, NULL);
+	/* IPSR1 */
+	gpio_request(GPIO_FN_AVB_AVTP_PPS, NULL);
+	/* IPSR2 */
+	gpio_request(GPIO_FN_AVB_AVTP_MATCH_B, NULL);
+	/* IPSR3 */
+	gpio_request(GPIO_FN_AVB_AVTP_CAPTURE_B, NULL);
+
+	/* AVB_PHY_RST */
+	gpio_request(GPIO_GP_2_10, NULL);
+	gpio_direction_output(GPIO_GP_2_10, 0);
+	mdelay(20);
+	gpio_set_value(GPIO_GP_2_10, 1);
+	udelay(1);
+#endif
+
 	return 0;
 }
 
+static struct eth_pdata salvator_x_ravb_platdata = {
+	.iobase		= 0xE6800000,
+	.phy_interface	= 0,
+	.max_speed	= 1000,
+};
+
+U_BOOT_DEVICE(salvator_x_ravb) = {
+	.name		= "ravb",
+	.platdata	= &salvator_x_ravb_platdata,
+};
+
 #ifdef CONFIG_SH_SDHI
 int board_mmc_init(bd_t *bis)
 {

configs/salvator-x_defconfig

@@ -12,7 +12,14 @@ CONFIG_SH_SDHI=y
 # CONFIG_CMD_IMLS is not set
 CONFIG_CMD_EDITENV=y
 CONFIG_CMD_SAVEENV=y
+CONFIG_CMD_NET=y
+CONFIG_CMD_NFS=y
+CONFIG_CMD_MII=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_DHCP=y
 CONFIG_DOS_PARTITION=y
 CONFIG_MMC=y
 CONFIG_GENERIC_MMC=y
 CONFIG_OF_LIBFDT=y
+CONFIG_DM_ETH=y
+CONFIG_RENESAS_RAVB=y

include/configs/salvator-x.h

@@ -25,6 +25,12 @@
 /* [A] Hyper Flash */
 /* use to RPC(SPI Multi I/O Bus Controller) */
 
+/* Ethernet RAVB */
+#define CONFIG_NET_MULTI
+#define CONFIG_PHY_MICREL
+#define CONFIG_BITBANGMII
+#define CONFIG_BITBANGMII_MULTI
+
 /* Board Clock */
 /* XTAL_CLK : 33.33MHz */
 #define RCAR_XTAL_CLK		33333333u