[U-Boot] [PATCH] TI: OMAP3: Overo Tobi ethernet support

Olof Johansson
2009-09-11T20:47:50Z

Add setup for ethernet on Tobi, allowing kernel/ramdisk to be loaded
over tftp.

Based on the omap3 evm code. I added a new highlevel define for Tobi
to avoid having it dependent on CMD_NET (which would seem backward in
this case).

Signed-off-by: Olof Johansson <olof@lixom.net>

diff --git a/board/overo/overo.c b/board/overo/overo.c
index dd6d286..4a67360 100644
--- a/board/overo/overo.c
+++ b/board/overo/overo.c
@@ -32,6 +32,7 @@
#include <twl4030.h>
#include <asm/io.h>
#include <asm/arch/mux.h>
+#include <asm/arch/mem.h>
#include <asm/arch/sys_proto.h>
#include <asm/mach-types.h>
#include "overo.h"
@@ -62,6 +63,10 @@ int misc_init_r(void)
twl4030_power_init();
twl4030_led_init();

+#if defined(CONFIG_OMAP3_OVERO_TOBI)
+ setup_net_chip();
+#endif
+
dieid_num_r();

return 0;
@@ -76,4 +81,59 @@ int misc_init_r(void)
void set_muxconf_regs(void)
{
MUX_OVERO();
+#if defined(CONFIG_OMAP3_OVERO_TOBI)
+ MUX_OVERO_TOBI();
+#endif
+}
+
+#if defined(CONFIG_OMAP3_OVERO_TOBI)
+/*
+ * Routine: setup_net_chip
+ * Description: Setting up the configuration GPMC registers specific to the
+ * Ethernet hardware.
+ */
+static void setup_net_chip(void)
+{
+ struct gpio *gpio3_base = (struct gpio *)OMAP34XX_GPIO3_BASE;
+ struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
+
+ /* Configure GPMC registers */
+ writel(NET_GPMC_CONFIG1, &gpmc_cfg->cs[5].config1);
+ writel(NET_GPMC_CONFIG2, &gpmc_cfg->cs[5].config2);
+ writel(NET_GPMC_CONFIG3, &gpmc_cfg->cs[5].config3);
+ writel(NET_GPMC_CONFIG4, &gpmc_cfg->cs[5].config4);
+ writel(NET_GPMC_CONFIG5, &gpmc_cfg->cs[5].config5);
+ writel(NET_GPMC_CONFIG6, &gpmc_cfg->cs[5].config6);
+ writel(NET_GPMC_CONFIG7, &gpmc_cfg->cs[5].config7);
+
+ /* Enable off mode for NWE in PADCONF_GPMC_NWE register */
+ writew(readw(&ctrl_base ->gpmc_nwe) | 0x0E00, &ctrl_base->gpmc_nwe);
+ /* Enable off mode for NOE in PADCONF_GPMC_NADV_ALE register */
+ writew(readw(&ctrl_base->gpmc_noe) | 0x0E00, &ctrl_base->gpmc_noe);
+ /* Enable off mode for ALE in PADCONF_GPMC_NADV_ALE register */
+ writew(readw(&ctrl_base->gpmc_nadv_ale) | 0x0E00,
+ &ctrl_base->gpmc_nadv_ale);
+
+ /* Make GPIO 64 as output pin */
+ writel(readl(&gpio3_base->oe) & ~(GPIO0), &gpio3_base->oe);
+
+ /* Now send a pulse on the GPIO pin */
+ writel(GPIO0, &gpio3_base->setdataout);
+ udelay(1);
+ writel(GPIO0, &gpio3_base->cleardataout);
+ udelay(1);
+ writel(GPIO0, &gpio3_base->setdataout);
+}
+#endif
+
+
+
+int board_eth_init(bd_t *bis)
+{
+ int rc = 0;
+#ifdef CONFIG_SMC911X
+ rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
+#endif
+ return rc;
}
+
diff --git a/board/overo/overo.h b/board/overo/overo.h
index 0b59120..f0ec18a 100644
--- a/board/overo/overo.h
+++ b/board/overo/overo.h
@@ -33,6 +33,8 @@ const omap3_sysinfo sysinfo = {
#endif
};

+static void setup_net_chip(void);
+
/*
* IEN - Input Enable
* IDIS - Input Disable
@@ -378,4 +380,42 @@ const omap3_sysinfo sysinfo = {
MUX_VAL(CP(SDRC_CKE0), (IDIS | PTU | EN | M0)) /*sdrc_cke0*/\
MUX_VAL(CP(SDRC_CKE1), (IDIS | PTU | EN | M0)) /*sdrc_cke1*/

+#if defined(CONFIG_OMAP3_OVERO_TOBI)
+#define MUX_OVERO_TOBI() \
+ MUX_VAL(CP(GPMC_A1), (IDIS | PTU | EN | M0)) /*GPMC_A1*/\
+ MUX_VAL(CP(GPMC_A2), (IDIS | PTU | EN | M0)) /*GPMC_A2*/\
+ MUX_VAL(CP(GPMC_A3), (IDIS | PTU | EN | M0)) /*GPMC_A3*/\
+ MUX_VAL(CP(GPMC_A4), (IDIS | PTU | EN | M0)) /*GPMC_A4*/\
+ MUX_VAL(CP(GPMC_A5), (IDIS | PTU | EN | M0)) /*GPMC_A5*/\
+ MUX_VAL(CP(GPMC_A6), (IDIS | PTU | EN | M0)) /*GPMC_A6*/\
+ MUX_VAL(CP(GPMC_A7), (IDIS | PTU | EN | M0)) /*GPMC_A7*/\
+ MUX_VAL(CP(GPMC_A8), (IDIS | PTU | EN | M0)) /*GPMC_A8*/\
+ MUX_VAL(CP(GPMC_A9), (IDIS | PTU | EN | M0)) /*GPMC_A9*/\
+ MUX_VAL(CP(GPMC_A10), (IDIS | PTU | EN | M0)) /*GPMC_A10*/\
+ MUX_VAL(CP(GPMC_D0), (IEN | PTU | EN | M0)) /*GPMC_D0*/\
+ MUX_VAL(CP(GPMC_D1), (IEN | PTU | EN | M0)) /*GPMC_D1*/\
+ MUX_VAL(CP(GPMC_D2), (IEN | PTU | EN | M0)) /*GPMC_D2*/\
+ MUX_VAL(CP(GPMC_D3), (IEN | PTU | EN | M0)) /*GPMC_D3*/\
+ MUX_VAL(CP(GPMC_D4), (IEN | PTU | EN | M0)) /*GPMC_D4*/\
+ MUX_VAL(CP(GPMC_D5), (IEN | PTU | EN | M0)) /*GPMC_D5*/\
+ MUX_VAL(CP(GPMC_D6), (IEN | PTU | EN | M0)) /*GPMC_D6*/\
+ MUX_VAL(CP(GPMC_D7), (IEN | PTU | EN | M0)) /*GPMC_D7*/\
+ MUX_VAL(CP(GPMC_D8), (IEN | PTU | EN | M0)) /*GPMC_D8*/\
+ MUX_VAL(CP(GPMC_D9), (IEN | PTU | EN | M0)) /*GPMC_D9*/\
+ MUX_VAL(CP(GPMC_D10), (IEN | PTU | EN | M0)) /*GPMC_D10*/\
+ MUX_VAL(CP(GPMC_D11), (IEN | PTU | EN | M0)) /*GPMC_D11*/\
+ MUX_VAL(CP(GPMC_D12), (IEN | PTU | EN | M0)) /*GPMC_D12*/\
+ MUX_VAL(CP(GPMC_D13), (IEN | PTU | EN | M0)) /*GPMC_D13*/\
+ MUX_VAL(CP(GPMC_D14), (IEN | PTU | EN | M0)) /*GPMC_D14*/\
+ MUX_VAL(CP(GPMC_D15), (IEN | PTU | EN | M0)) /*GPMC_D15*/\
+ MUX_VAL(CP(GPMC_NCS5), (IDIS | PTU | EN | M0)) /*GPMC_nCS5*/\
+ MUX_VAL(CP(GPMC_CLK), (IDIS | PTU | EN | M0)) /*GPMC_CLK*/\
+ MUX_VAL(CP(GPMC_WAIT2), (IEN | PTU | EN | M4)) /*GPIO_64*/\
+ /* - SMSC911X_NRES*/\
+ MUX_VAL(CP(MCSPI1_CS2), (IEN | PTU | DIS | M4)) /*GPIO_176 */\
+ /* - LAN_INTR */\
+
+
+#endif
+
#endif
diff --git a/include/configs/omap3_overo.h b/include/configs/omap3_overo.h
index 07a031b..6616b55 100644
--- a/include/configs/omap3_overo.h
+++ b/include/configs/omap3_overo.h
@@ -28,7 +28,8 @@
#define CONFIG_OMAP 1 /* in a TI OMAP core */
#define CONFIG_OMAP34XX 1 /* which is a 34XX */
#define CONFIG_OMAP3430 1 /* which is in a 3430 */
-#define CONFIG_OMAP3_OVERO 1 /* working with overo */
+#define CONFIG_OMAP3_OVERO 1 /* working with overo */
+//#define CONFIG_OMAP3_OVERO_TOBI 1 /* overo mounted on tobi */

#include <asm/arch/cpu.h> /* get chip and board defs */
#include <asm/arch/omap3.h>
@@ -105,9 +106,13 @@
#undef CONFIG_CMD_FPGA /* FPGA configuration Support */
#undef CONFIG_CMD_IMI /* iminfo */
#undef CONFIG_CMD_IMLS /* List all found images */
-#undef CONFIG_CMD_NET /* bootp, tftpboot, rarpboot */
#undef CONFIG_CMD_NFS /* NFS support */

+#if !defined(CONFIG_OMAP3_OVERO_TOBI)
+#undef CONFIG_CMD_NET /* bootp, tftpboot, rarpboot */
+#endif
+
+
#define CONFIG_SYS_NO_FLASH
#define CONFIG_SYS_I2C_SPEED 100000
#define CONFIG_SYS_I2C_SLAVE 1
@@ -293,4 +298,18 @@ extern unsigned int boot_flash_sec;
extern unsigned int boot_flash_type;
#endif

+#if defined(CONFIG_OMAP3_OVERO_TOBI)
+/*----------------------------------------------------------------------------
+ * SMSC9115 Ethernet from SMSC9118 family
+ *----------------------------------------------------------------------------
+ */
+
+#define CONFIG_NET_MULTI
+#define CONFIG_SMC911X 1
+#define CONFIG_SMC911X_32_BIT
+#define CONFIG_SMC911X_BASE 0x2C000000
+
+#endif /* (CONFIG_CMD_NET) */
+
+
#endif /* __CONFIG_H */