/*
- * (C) Copyright 2004-2008
+ * (C) Copyright 2004-2011
* Texas Instruments, <www.ti.com>
*
* Author :
#include <asm/arch/mem.h>
#include <asm/arch/mux.h>
#include <asm/arch/sys_proto.h>
+#include <asm/arch/mmc_host_def.h>
+#include <asm/gpio.h>
#include <i2c.h>
#include <asm/mach-types.h>
+#include <linux/mtd/nand.h>
#include "evm.h"
-static u8 omap3_evm_version;
+#define OMAP3EVM_GPIO_ETH_RST_GEN1 64
+#define OMAP3EVM_GPIO_ETH_RST_GEN2 7
-u8 get_omap3_evm_rev(void)
+DECLARE_GLOBAL_DATA_PTR;
+
+static u32 omap3_evm_version;
+
+u32 get_omap3_evm_rev(void)
{
return omap3_evm_version;
}
static void omap3_evm_get_revision(void)
{
+#if defined(CONFIG_CMD_NET)
+ /*
+ * Board revision can be ascertained only by identifying
+ * the Ethernet chipset.
+ */
unsigned int smsc_id;
/* Ethernet PHY ID is stored at ID_REV register */
default:
omap3_evm_version = OMAP3EVM_BOARD_GEN_2;
}
+#else
+#if defined(CONFIG_STATIC_BOARD_REV)
+ /*
+ * Look for static defintion of the board revision
+ */
+ omap3_evm_version = CONFIG_STATIC_BOARD_REV;
+#else
+ /*
+ * Fallback to the default above.
+ */
+ omap3_evm_version = OMAP3EVM_BOARD_GEN_2;
+#endif
+#endif /* CONFIG_CMD_NET */
}
+#ifdef CONFIG_USB_OMAP3
/*
* MUSB port on OMAP3EVM Rev >= E requires extvbus programming.
*/
return retval;
}
+#endif
/*
* Routine: board_init
*/
int board_init(void)
{
- DECLARE_GLOBAL_DATA_PTR;
-
gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
/* board id for Linux */
gd->bd->bi_arch_number = MACH_TYPE_OMAP3EVM;
return 0;
}
+#ifdef CONFIG_SPL_BUILD
+/*
+ * Routine: get_board_mem_timings
+ * Description: If we use SPL then there is no x-loader nor config header
+ * so we have to setup the DDR timings ourself on the first bank. This
+ * provides the timing values back to the function that configures
+ * the memory.
+ */
+void get_board_mem_timings(struct board_sdrc_timings *timings)
+{
+ int pop_mfr, pop_id;
+
+ /*
+ * We need to identify what PoP memory is on the board so that
+ * we know what timings to use. To map the ID values please see
+ * nand_ids.c
+ */
+ identify_nand_chip(&pop_mfr, &pop_id);
+
+ if (pop_mfr == NAND_MFR_HYNIX && pop_id == 0xbc) {
+ /* 256MB DDR */
+ timings->mcfg = HYNIX_V_MCFG_200(256 << 20);
+ timings->ctrla = HYNIX_V_ACTIMA_200;
+ timings->ctrlb = HYNIX_V_ACTIMB_200;
+ } else {
+ /* 128MB DDR */
+ timings->mcfg = MICRON_V_MCFG_165(128 << 20);
+ timings->ctrla = MICRON_V_ACTIMA_165;
+ timings->ctrlb = MICRON_V_ACTIMB_165;
+ }
+ timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
+ timings->mr = MICRON_V_MR_165;
+}
+#endif
+
/*
* Routine: misc_init_r
* Description: Init ethernet (done here so udelay works)
#if defined(CONFIG_CMD_NET)
setup_net_chip();
#endif
+ omap3_evm_get_revision();
+#if defined(CONFIG_CMD_NET)
+ reset_net_chip();
+#endif
dieid_num_r();
return 0;
MUX_EVM();
}
+#ifdef CONFIG_CMD_NET
/*
* Routine: setup_net_chip
* Description: Setting up the configuration GPMC registers specific to the
*/
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 */
/* Enable off mode for ALE in PADCONF_GPMC_NADV_ALE register */
writew(readw(&ctrl_base->gpmc_nadv_ale) | 0x0E00,
&ctrl_base->gpmc_nadv_ale);
+}
+
+/**
+ * Reset the ethernet chip.
+ */
+static void reset_net_chip(void)
+{
+ int ret;
+ int rst_gpio;
+
+ if (get_omap3_evm_rev() == OMAP3EVM_BOARD_GEN_1) {
+ rst_gpio = OMAP3EVM_GPIO_ETH_RST_GEN1;
+ } else {
+ rst_gpio = OMAP3EVM_GPIO_ETH_RST_GEN2;
+ }
- /* Make GPIO 64 as output pin */
- writel(readl(&gpio3_base->oe) & ~(GPIO0), &gpio3_base->oe);
+ ret = gpio_request(rst_gpio, "");
+ if (ret < 0) {
+ printf("Unable to get GPIO %d\n", rst_gpio);
+ return ;
+ }
- /* Now send a pulse on the GPIO pin */
- writel(GPIO0, &gpio3_base->setdataout);
+ /* Configure as output */
+ gpio_direction_output(rst_gpio, 0);
+
+ /* Send a pulse on the GPIO pin */
+ gpio_set_value(rst_gpio, 1);
udelay(1);
- writel(GPIO0, &gpio3_base->cleardataout);
+ gpio_set_value(rst_gpio, 0);
udelay(1);
- writel(GPIO0, &gpio3_base->setdataout);
-
- /* determine omap3evm revision */
- omap3_evm_get_revision();
+ gpio_set_value(rst_gpio, 1);
}
int board_eth_init(bd_t *bis)
{
int rc = 0;
#ifdef CONFIG_SMC911X
+#define STR_ENV_ETHADDR "ethaddr"
+
+ struct eth_device *dev;
+ uchar eth_addr[6];
+
rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
+
+ if (!eth_getenv_enetaddr(STR_ENV_ETHADDR, eth_addr)) {
+ dev = eth_get_dev_by_index(0);
+ if (dev) {
+ eth_setenv_enetaddr(STR_ENV_ETHADDR, dev->enetaddr);
+ } else {
+ printf("omap3evm: Couldn't get eth device\n");
+ rc = -1;
+ }
+ }
#endif
return rc;
}
+#endif /* CONFIG_CMD_NET */
+
+#if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
+int board_mmc_init(bd_t *bis)
+{
+ return omap_mmc_init(0, 0, 0, -1, -1);
+}
+#endif
projects / karo-tx-uboot.git / blobdiff