1 // SPDX-License-Identifier: GPL-2.0+
5 * Board functions for Birdland Audio BAV335x Network Processor
7 * Copyright (c) 2012-2014 Birdland Audio - http://birdland.com/oem
16 #include <asm/arch/cpu.h>
17 #include <asm/arch/hardware.h>
18 #include <asm/arch/omap.h>
19 #include <asm/arch/ddr_defs.h>
20 #include <asm/arch/clock.h>
21 #include <asm/arch/gpio.h>
22 #include <asm/arch/mmc_host_def.h>
23 #include <asm/arch/sys_proto.h>
24 #include <asm/arch/mem.h>
31 #include <power/tps65217.h>
32 #include <power/tps65910.h>
33 #include <env_internal.h>
37 DECLARE_GLOBAL_DATA_PTR
;
39 /* GPIO that controls power to DDR on EVM-SK */
40 #define GPIO_DDR_VTT_EN 7
42 static __maybe_unused
struct ctrl_dev
*cdev
=
43 (struct ctrl_dev
*)CTRL_DEVICE_BASE
;
48 * Read header information from EEPROM into global structure.
50 static int read_eeprom(struct board_eeconfig
*header
)
52 /* Check if baseboard eeprom is available */
53 if (i2c_probe(CONFIG_SYS_I2C_EEPROM_ADDR
))
56 /* read the eeprom using i2c */
57 if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR
, 0, 2, (uchar
*)header
,
58 sizeof(struct board_eeconfig
)))
61 if (header
->magic
!= BOARD_MAGIC
) {
62 /* read the i2c eeprom again using only a 1 byte address */
63 if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR
, 0, 1, (uchar
*)header
,
64 sizeof(struct board_eeconfig
)))
67 if (header
->magic
!= BOARD_MAGIC
)
76 enum board_type
get_board_type(bool debug
)
79 struct board_eeconfig header
;
81 ecode
= read_eeprom(&header
);
83 if (header
.version
[1] == 'A') {
85 puts("=== Detected Board model BAV335x Rev.A");
87 } else if (header
.version
[1] == 'B') {
89 puts("=== Detected Board model BAV335x Rev.B");
92 puts("### Un-known board model in serial-EE\n");
97 puts("### Board doesn't have a serial-EE\n");
100 puts("### Board serial-EE signature is incorrect.\n");
103 puts("### IO Error reading serial-EE.\n");
108 #if (CONFIG_BAV_VERSION == 1)
110 puts("### Selecting BAV335A as per config\n");
112 #elif (CONFIG_BAV_VERSION == 2)
114 puts("### Selecting BAV335B as per config\n");
117 #if (NOT_DEFINED == 2)
118 #error "SHOULD NEVER DISPLAY THIS"
122 puts("### Defaulting to model BAV335x Rev.B\n");
128 #ifndef CONFIG_SKIP_LOWLEVEL_INIT
129 static const struct ddr_data ddr3_bav335x_data
= {
130 .datardsratio0
= MT41K256M16HA125E_RD_DQS
,
131 .datawdsratio0
= MT41K256M16HA125E_WR_DQS
,
132 .datafwsratio0
= MT41K256M16HA125E_PHY_FIFO_WE
,
133 .datawrsratio0
= MT41K256M16HA125E_PHY_WR_DATA
,
136 static const struct cmd_control ddr3_bav335x_cmd_ctrl_data
= {
137 .cmd0csratio
= MT41K256M16HA125E_RATIO
,
138 .cmd0iclkout
= MT41K256M16HA125E_INVERT_CLKOUT
,
139 .cmd1csratio
= MT41K256M16HA125E_RATIO
,
140 .cmd1iclkout
= MT41K256M16HA125E_INVERT_CLKOUT
,
141 .cmd2csratio
= MT41K256M16HA125E_RATIO
,
142 .cmd2iclkout
= MT41K256M16HA125E_INVERT_CLKOUT
,
146 static struct emif_regs ddr3_bav335x_emif_reg_data
= {
147 .sdram_config
= MT41K256M16HA125E_EMIF_SDCFG
,
148 .ref_ctrl
= MT41K256M16HA125E_EMIF_SDREF
,
149 .sdram_tim1
= MT41K256M16HA125E_EMIF_TIM1
,
150 .sdram_tim2
= MT41K256M16HA125E_EMIF_TIM2
,
151 .sdram_tim3
= MT41K256M16HA125E_EMIF_TIM3
,
152 .zq_config
= MT41K256M16HA125E_ZQ_CFG
,
153 .emif_ddr_phy_ctlr_1
= MT41K256M16HA125E_EMIF_READ_LATENCY
,
157 #ifdef CONFIG_SPL_OS_BOOT
158 int spl_start_uboot(void)
160 /* break into full u-boot on 'c' */
161 if (serial_tstc() && serial_getc() == 'c')
164 #ifdef CONFIG_SPL_ENV_SUPPORT
167 if (env_get_yesno("boot_os") != 1)
175 #define OSC (V_OSCK/1000000)
176 const struct dpll_params dpll_ddr
= {
177 266, OSC
-1, 1, -1, -1, -1, -1};
178 const struct dpll_params dpll_ddr_evm_sk
= {
179 303, OSC
-1, 1, -1, -1, -1, -1};
180 const struct dpll_params dpll_ddr_bone_black
= {
181 400, OSC
-1, 1, -1, -1, -1, -1};
183 void am33xx_spl_board_init(void)
185 /* debug print detect status */
186 (void)get_board_type(true);
188 /* Get the frequency */
189 /* dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev); */
190 dpll_mpu_opp100
.m
= MPUPLL_M_1000
;
192 if (i2c_probe(TPS65217_CHIP_PM
))
195 /* Set the USB Current Limit */
196 if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE
, TPS65217_POWER_PATH
,
197 TPS65217_USB_INPUT_CUR_LIMIT_1800MA
,
198 TPS65217_USB_INPUT_CUR_LIMIT_MASK
))
199 puts("! tps65217_reg_write: could not set USB limit\n");
201 /* Set the Core Voltage (DCDC3) to 1.125V */
202 if (tps65217_voltage_update(TPS65217_DEFDCDC3
,
203 TPS65217_DCDC_VOLT_SEL_1125MV
)) {
204 puts("! tps65217_reg_write: could not set Core Voltage\n");
208 /* Set CORE Frequencies to OPP100 */
209 do_setup_dpll(&dpll_core_regs
, &dpll_core_opp100
);
211 /* Set the MPU Voltage (DCDC2) */
212 if (tps65217_voltage_update(TPS65217_DEFDCDC2
,
213 TPS65217_DCDC_VOLT_SEL_1325MV
)) {
214 puts("! tps65217_reg_write: could not set MPU Voltage\n");
219 * Set LDO3, LDO4 output voltage to 3.3V for Beaglebone.
220 * Set LDO3 to 1.8V and LDO4 to 3.3V for Beaglebone Black.
222 if (tps65217_reg_write(TPS65217_PROT_LEVEL_2
, TPS65217_DEFLS1
,
223 TPS65217_LDO_VOLTAGE_OUT_1_8
, TPS65217_LDO_MASK
))
224 puts("! tps65217_reg_write: could not set LDO3\n");
226 if (tps65217_reg_write(TPS65217_PROT_LEVEL_2
, TPS65217_DEFLS2
,
227 TPS65217_LDO_VOLTAGE_OUT_3_3
, TPS65217_LDO_MASK
))
228 puts("! tps65217_reg_write: could not set LDO4\n");
230 /* Set MPU Frequency to what we detected now that voltages are set */
231 do_setup_dpll(&dpll_mpu_regs
, &dpll_mpu_opp100
);
234 const struct dpll_params
*get_dpll_ddr_params(void)
236 enable_i2c0_pin_mux();
237 i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED
, CONFIG_SYS_OMAP24_I2C_SLAVE
);
239 return &dpll_ddr_bone_black
;
242 void set_uart_mux_conf(void)
244 #if CONFIG_CONS_INDEX == 1
245 enable_uart0_pin_mux();
246 #elif CONFIG_CONS_INDEX == 2
247 enable_uart1_pin_mux();
248 #elif CONFIG_CONS_INDEX == 3
249 enable_uart2_pin_mux();
250 #elif CONFIG_CONS_INDEX == 4
251 enable_uart3_pin_mux();
252 #elif CONFIG_CONS_INDEX == 5
253 enable_uart4_pin_mux();
254 #elif CONFIG_CONS_INDEX == 6
255 enable_uart5_pin_mux();
259 void set_mux_conf_regs(void)
261 enum board_type board
;
263 board
= get_board_type(false);
264 enable_board_pin_mux(board
);
267 const struct ctrl_ioregs ioregs_bonelt
= {
268 .cm0ioctl
= MT41K256M16HA125E_IOCTRL_VALUE
,
269 .cm1ioctl
= MT41K256M16HA125E_IOCTRL_VALUE
,
270 .cm2ioctl
= MT41K256M16HA125E_IOCTRL_VALUE
,
271 .dt0ioctl
= MT41K256M16HA125E_IOCTRL_VALUE
,
272 .dt1ioctl
= MT41K256M16HA125E_IOCTRL_VALUE
,
276 void sdram_init(void)
278 config_ddr(400, &ioregs_bonelt
,
280 &ddr3_bav335x_cmd_ctrl_data
,
281 &ddr3_bav335x_emif_reg_data
, 0);
286 * Basic board specific setup. Pinmux has been handled already.
290 #if defined(CONFIG_HW_WATCHDOG)
294 gd
->bd
->bi_boot_params
= CONFIG_SYS_SDRAM_BASE
+ 0x100;
295 #if defined(CONFIG_NOR) || defined(CONFIG_NAND)
301 #ifdef CONFIG_BOARD_LATE_INIT
302 int board_late_init(void)
304 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
305 env_set("board_name", "BAV335xB");
306 env_set("board_rev", "B"); /* Fix me, but why bother.. */
313 #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
314 (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
315 static void cpsw_control(int enabled
)
317 /* VTP can be added here */
321 static struct cpsw_slave_data cpsw_slaves
[] = {
323 .slave_reg_ofs
= 0x208,
324 .sliver_reg_ofs
= 0xd80,
328 .slave_reg_ofs
= 0x308,
329 .sliver_reg_ofs
= 0xdc0,
334 static struct cpsw_platform_data cpsw_data
= {
335 .mdio_base
= CPSW_MDIO_BASE
,
336 .cpsw_base
= CPSW_BASE
,
339 .cpdma_reg_ofs
= 0x800,
341 .slave_data
= cpsw_slaves
,
342 .ale_reg_ofs
= 0xd00,
344 .host_port_reg_ofs
= 0x108,
345 .hw_stats_reg_ofs
= 0x900,
346 .bd_ram_ofs
= 0x2000,
347 .mac_control
= (1 << 5),
348 .control
= cpsw_control
,
350 .version
= CPSW_CTRL_VERSION_2
,
356 * This function will:
357 * Perform fixups to the PHY present on certain boards. We only need this
359 * - SPL with either CPSW or USB ethernet support
360 * - Full U-Boot, with either CPSW or USB ethernet
361 * Build in only these cases to avoid warnings about unused variables
362 * when we build an SPL that has neither option but full U-Boot will.
364 #if ((defined(CONFIG_SPL_ETH_SUPPORT) || defined(CONFIG_SPL_USB_ETHER)) &&\
365 defined(CONFIG_SPL_BUILD)) || \
366 ((defined(CONFIG_DRIVER_TI_CPSW) || \
367 defined(CONFIG_USB_ETHER) && defined(CONFIG_USB_MUSB_GADGET)) && \
368 !defined(CONFIG_SPL_BUILD))
369 int board_eth_init(bd_t
*bis
)
373 struct board_eeconfig header
;
374 __maybe_unused
enum board_type board
;
376 /* Default manufacturing address; used when no EE or invalid */
385 ecode
= read_eeprom(&header
);
386 /* if we have a valid EE, get mac address from there */
388 is_valid_ethaddr((const u8
*)&header
.mac_addr
[0][0])) {
389 memcpy(mac_addr
, (const void *)&header
.mac_addr
[0][0], 6);
393 #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
394 (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
396 if (!env_get("ethaddr")) {
397 printf("<ethaddr> not set. Validating first E-fuse MAC\n");
399 if (is_valid_ethaddr(mac_addr
))
400 eth_env_set_enetaddr("ethaddr", mac_addr
);
403 #ifdef CONFIG_DRIVER_TI_CPSW
405 board
= get_board_type(false);
407 /* Rev.A uses 10/100 PHY in mii mode */
408 if (board
== BAV335A
) {
409 writel(MII_MODE_ENABLE
, &cdev
->miisel
);
410 cpsw_slaves
[0].phy_if
= PHY_INTERFACE_MODE_MII
;
411 cpsw_slaves
[1].phy_if
= PHY_INTERFACE_MODE_MII
;
413 /* Rev.B (default) uses GB PHY in rmii mode */
415 writel((RGMII_MODE_ENABLE
| RGMII_INT_DELAY
), &cdev
->miisel
);
416 cpsw_slaves
[0].phy_if
= cpsw_slaves
[1].phy_if
417 = PHY_INTERFACE_MODE_RGMII
;
420 rv
= cpsw_register(&cpsw_data
);
422 printf("Error %d registering CPSW switch\n", rv
);