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Diffstat (limited to 'board/ti/am335x/board.c')
-rw-r--r--board/ti/am335x/board.c157
1 files changed, 150 insertions, 7 deletions
diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c
index 4330be6499..56f4984f47 100644
--- a/board/ti/am335x/board.c
+++ b/board/ti/am335x/board.c
@@ -11,11 +11,13 @@
#include <common.h>
#include <errno.h>
#include <spl.h>
+#include <serial.h>
#include <asm/arch/cpu.h>
#include <asm/arch/hardware.h>
#include <asm/arch/omap.h>
#include <asm/arch/ddr_defs.h>
#include <asm/arch/clock.h>
+#include <asm/arch/clk_synthesizer.h>
#include <asm/arch/gpio.h>
#include <asm/arch/mmc_host_def.h>
#include <asm/arch/sys_proto.h>
@@ -37,7 +39,13 @@
DECLARE_GLOBAL_DATA_PTR;
/* GPIO that controls power to DDR on EVM-SK */
-#define GPIO_DDR_VTT_EN 7
+#define GPIO_TO_PIN(bank, gpio) (32 * (bank) + (gpio))
+#define GPIO_DDR_VTT_EN GPIO_TO_PIN(0, 7)
+#define ICE_GPIO_DDR_VTT_EN GPIO_TO_PIN(0, 18)
+#define GPIO_PR1_MII_CTRL GPIO_TO_PIN(3, 4)
+#define GPIO_MUX_MII_CTRL GPIO_TO_PIN(3, 10)
+#define GPIO_FET_SWITCH_CTRL GPIO_TO_PIN(0, 7)
+#define GPIO_PHY_RESET GPIO_TO_PIN(2, 5)
#if defined(CONFIG_SPL_BUILD) || \
(defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_DM_ETH))
@@ -52,6 +60,16 @@ static inline int __maybe_unused read_eeprom(void)
return ti_i2c_eeprom_am_get(-1, CONFIG_SYS_I2C_EEPROM_ADDR);
}
+#ifndef CONFIG_DM_SERIAL
+struct serial_device *default_serial_console(void)
+{
+ if (board_is_icev2())
+ return &eserial4_device;
+ else
+ return &eserial1_device;
+}
+#endif
+
#ifndef CONFIG_SKIP_LOWLEVEL_INIT
static const struct ddr_data ddr2_data = {
.datardsratio0 = MT47H128M16RT25E_RD_DQS,
@@ -97,6 +115,13 @@ static const struct ddr_data ddr3_evm_data = {
.datawrsratio0 = MT41J512M8RH125_PHY_WR_DATA,
};
+static const struct ddr_data ddr3_icev2_data = {
+ .datardsratio0 = MT41J128MJT125_RD_DQS_400MHz,
+ .datawdsratio0 = MT41J128MJT125_WR_DQS_400MHz,
+ .datafwsratio0 = MT41J128MJT125_PHY_FIFO_WE_400MHz,
+ .datawrsratio0 = MT41J128MJT125_PHY_WR_DATA_400MHz,
+};
+
static const struct cmd_control ddr3_cmd_ctrl_data = {
.cmd0csratio = MT41J128MJT125_RATIO,
.cmd0iclkout = MT41J128MJT125_INVERT_CLKOUT,
@@ -130,6 +155,17 @@ static const struct cmd_control ddr3_evm_cmd_ctrl_data = {
.cmd2iclkout = MT41J512M8RH125_INVERT_CLKOUT,
};
+static const struct cmd_control ddr3_icev2_cmd_ctrl_data = {
+ .cmd0csratio = MT41J128MJT125_RATIO_400MHz,
+ .cmd0iclkout = MT41J128MJT125_INVERT_CLKOUT_400MHz,
+
+ .cmd1csratio = MT41J128MJT125_RATIO_400MHz,
+ .cmd1iclkout = MT41J128MJT125_INVERT_CLKOUT_400MHz,
+
+ .cmd2csratio = MT41J128MJT125_RATIO_400MHz,
+ .cmd2iclkout = MT41J128MJT125_INVERT_CLKOUT_400MHz,
+};
+
static struct emif_regs ddr3_emif_reg_data = {
.sdram_config = MT41J128MJT125_EMIF_SDCFG,
.ref_ctrl = MT41J128MJT125_EMIF_SDREF,
@@ -162,6 +198,17 @@ static struct emif_regs ddr3_evm_emif_reg_data = {
PHY_EN_DYN_PWRDN,
};
+static struct emif_regs ddr3_icev2_emif_reg_data = {
+ .sdram_config = MT41J128MJT125_EMIF_SDCFG_400MHz,
+ .ref_ctrl = MT41J128MJT125_EMIF_SDREF_400MHz,
+ .sdram_tim1 = MT41J128MJT125_EMIF_TIM1_400MHz,
+ .sdram_tim2 = MT41J128MJT125_EMIF_TIM2_400MHz,
+ .sdram_tim3 = MT41J128MJT125_EMIF_TIM3_400MHz,
+ .zq_config = MT41J128MJT125_ZQ_CFG_400MHz,
+ .emif_ddr_phy_ctlr_1 = MT41J128MJT125_EMIF_READ_LATENCY_400MHz |
+ PHY_EN_DYN_PWRDN,
+};
+
#ifdef CONFIG_SPL_OS_BOOT
int spl_start_uboot(void)
{
@@ -339,7 +386,7 @@ const struct dpll_params *get_dpll_ddr_params(void)
if (board_is_evm_sk())
return &dpll_ddr_evm_sk;
- else if (board_is_bone_lt())
+ else if (board_is_bone_lt() || board_is_icev2())
return &dpll_ddr_bone_black;
else if (board_is_evm_15_or_later())
return &dpll_ddr_evm_sk;
@@ -418,6 +465,11 @@ void sdram_init(void)
gpio_direction_output(GPIO_DDR_VTT_EN, 1);
}
+ if (board_is_icev2()) {
+ gpio_request(ICE_GPIO_DDR_VTT_EN, "ddr_vtt_en");
+ gpio_direction_output(ICE_GPIO_DDR_VTT_EN, 1);
+ }
+
if (board_is_evm_sk())
config_ddr(303, &ioregs_evmsk, &ddr3_data,
&ddr3_cmd_ctrl_data, &ddr3_emif_reg_data, 0);
@@ -429,12 +481,59 @@ void sdram_init(void)
else if (board_is_evm_15_or_later())
config_ddr(303, &ioregs_evm15, &ddr3_evm_data,
&ddr3_evm_cmd_ctrl_data, &ddr3_evm_emif_reg_data, 0);
+ else if (board_is_icev2())
+ config_ddr(400, &ioregs_evmsk, &ddr3_icev2_data,
+ &ddr3_icev2_cmd_ctrl_data, &ddr3_icev2_emif_reg_data,
+ 0);
else
config_ddr(266, &ioregs, &ddr2_data,
&ddr2_cmd_ctrl_data, &ddr2_emif_reg_data, 0);
}
#endif
+#if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
+ (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
+static void request_and_set_gpio(int gpio, char *name)
+{
+ int ret;
+
+ ret = gpio_request(gpio, name);
+ if (ret < 0) {
+ printf("%s: Unable to request %s\n", __func__, name);
+ return;
+ }
+
+ ret = gpio_direction_output(gpio, 0);
+ if (ret < 0) {
+ printf("%s: Unable to set %s as output\n", __func__, name);
+ goto err_free_gpio;
+ }
+
+ gpio_set_value(gpio, 1);
+
+ return;
+
+err_free_gpio:
+ gpio_free(gpio);
+}
+
+#define REQUEST_AND_SET_GPIO(N) request_and_set_gpio(N, #N);
+
+/**
+ * RMII mode on ICEv2 board needs 50MHz clock. Given the clock
+ * synthesizer With a capacitor of 18pF, and 25MHz input clock cycle
+ * PLL1 gives an output of 100MHz. So, configuring the div2/3 as 2 to
+ * give 50MHz output for Eth0 and 1.
+ */
+static struct clk_synth cdce913_data = {
+ .id = 0x81,
+ .capacitor = 0x90,
+ .mux = 0x6d,
+ .pdiv2 = 0x2,
+ .pdiv3 = 0x2,
+};
+#endif
+
/*
* Basic board specific setup. Pinmux has been handled already.
*/
@@ -448,6 +547,23 @@ int board_init(void)
#if defined(CONFIG_NOR) || defined(CONFIG_NAND)
gpmc_init();
#endif
+#if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD))
+ int rv;
+
+ if (board_is_icev2()) {
+ REQUEST_AND_SET_GPIO(GPIO_PR1_MII_CTRL);
+ REQUEST_AND_SET_GPIO(GPIO_MUX_MII_CTRL);
+ REQUEST_AND_SET_GPIO(GPIO_FET_SWITCH_CTRL);
+ REQUEST_AND_SET_GPIO(GPIO_PHY_RESET);
+
+ rv = setup_clock_synthesizer(&cdce913_data);
+ if (rv) {
+ printf("Clock synthesizer setup failed %d\n", rv);
+ return rv;
+ }
+ }
+#endif
+
return 0;
}
@@ -515,6 +631,12 @@ static struct cpsw_platform_data cpsw_data = {
};
#endif
+#if ((defined(CONFIG_SPL_ETH_SUPPORT) || defined(CONFIG_SPL_USBETH_SUPPORT)) &&\
+ defined(CONFIG_SPL_BUILD)) || \
+ ((defined(CONFIG_DRIVER_TI_CPSW) || \
+ defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)) && \
+ !defined(CONFIG_SPL_BUILD))
+
/*
* This function will:
* Read the eFuse for MAC addresses, and set ethaddr/eth1addr/usbnet_devaddr
@@ -526,11 +648,6 @@ static struct cpsw_platform_data cpsw_data = {
* Build in only these cases to avoid warnings about unused variables
* when we build an SPL that has neither option but full U-Boot will.
*/
-#if ((defined(CONFIG_SPL_ETH_SUPPORT) || defined(CONFIG_SPL_USBETH_SUPPORT)) \
- && defined(CONFIG_SPL_BUILD)) || \
- ((defined(CONFIG_DRIVER_TI_CPSW) || \
- defined(CONFIG_USB_ETHER) && defined(CONFIG_USB_MUSB_GADGET)) && \
- !defined(CONFIG_SPL_BUILD))
int board_eth_init(bd_t *bis)
{
int rv, n = 0;
@@ -581,6 +698,12 @@ int board_eth_init(bd_t *bis)
writel(MII_MODE_ENABLE, &cdev->miisel);
cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if =
PHY_INTERFACE_MODE_MII;
+ } else if (board_is_icev2()) {
+ writel(RMII_MODE_ENABLE | RMII_CHIPCKL_ENABLE, &cdev->miisel);
+ cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RMII;
+ cpsw_slaves[1].phy_if = PHY_INTERFACE_MODE_RMII;
+ cpsw_slaves[0].phy_addr = 1;
+ cpsw_slaves[1].phy_addr = 3;
} else {
writel((RGMII_MODE_ENABLE | RGMII_INT_DELAY), &cdev->miisel);
cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if =
@@ -632,3 +755,23 @@ int board_eth_init(bd_t *bis)
#endif
#endif /* CONFIG_DM_ETH */
+
+#ifdef CONFIG_SPL_LOAD_FIT
+int board_fit_config_name_match(const char *name)
+{
+ if (board_is_gp_evm() && !strcmp(name, "am335x-evm"))
+ return 0;
+ else if (board_is_bone() && !strcmp(name, "am335x-bone"))
+ return 0;
+ else if (board_is_bone_lt() && !strcmp(name, "am335x-boneblack"))
+ return 0;
+ else if (board_is_evm_sk() && !strcmp(name, "am335x-evmsk"))
+ return 0;
+ else if (board_is_bbg1() && !strcmp(name, "am335x-bonegreen"))
+ return 0;
+ else if (board_is_icev2() && !strcmp(name, "am335x-icev2"))
+ return 0;
+ else
+ return -1;
+}
+#endif
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