[U-Boot] [PATCH 17/21] board/BuR/kwb: switch to board HW-Rev3

Hannes Petermaier
2015-01-30T13:25:20Z

The board has been redesigned, therefore we need from now other I/O Pins to
mux and handle.

Older boards aren't supported from now anymore.

Signed-off-by: Hannes Petermaier <oe5hpm@oevsv.at>
---
board/BuR/kwb/board.c | 92 ++++++++++++++++++++++++++++++-------------------
board/BuR/kwb/mux.c | 51 +++++++++++++--------------
include/configs/kwb.h | 9 +++--
3 files changed, 89 insertions(+), 63 deletions(-)

diff --git a/board/BuR/kwb/board.c b/board/BuR/kwb/board.c
index 804765a..30900bc 100644
--- a/board/BuR/kwb/board.c
+++ b/board/BuR/kwb/board.c
@@ -26,14 +26,13 @@
#include <i2c.h>
#include <power/tps65217.h>
#include "../common/bur_common.h"
+#include <lcd.h>

/* -------------------------------------------------------------------------*/
/* -- defines for used GPIO Hardware -- */
-#define KEY (0+4)
-#define LCD_PWR (0+5)
-#define PUSH_KEY (0+31)
-#define USB2SD_NRST (32+29)
-#define USB2SD_PWR (96+13)
+#define ESC_KEY (0+19)
+#define LCD_PWR (0+5)
+#define PUSH_KEY (0+31)
/* -------------------------------------------------------------------------*/
/* -- PSOC Resetcontroller Register defines -- */

@@ -46,6 +45,7 @@

/* -- defines for RSTCTRL_CTRLREG -- */
#define RSTCTRL_FORCE_PWR_NEN 0x0404
+#define RSTCTRL_CAN_STB 0x4040

#if defined(CONFIG_SPL_BUILD)
/* TODO: check ram-timing ! */
@@ -107,10 +107,13 @@ void am33xx_spl_board_init(void)
&cmper->epwmss0clkctrl,
&cmper->epwmss1clkctrl,
&cmper->epwmss2clkctrl,
+ &cmper->lcdclkctrl,
+ &cmper->lcdcclkstctrl,
0
};
do_enable_clocks(clk_domains, clk_modules_kwbspecific, 1);
-
+ /* setup LCD-Pixel Clock */
+ writel(0x2, CM_DPLL + 0x34);
/* power-OFF LCD-Display */
gpio_direction_output(LCD_PWR, 0);

@@ -121,7 +124,7 @@ void am33xx_spl_board_init(void)
/* power-ON 3V3 via Resetcontroller */
oldspeed = i2c_get_bus_speed();
if (i2c_set_bus_speed(CONFIG_SYS_OMAP24_I2C_SPEED_PSOC) >= 0) {
- buf = RSTCTRL_FORCE_PWR_NEN;
+ buf = RSTCTRL_FORCE_PWR_NEN | RSTCTRL_CAN_STB;
i2c_write(RSTCTRL_ADDR, RSTCTRL_CTRLREG, 1,
(uint8_t *)&buf, sizeof(buf));
i2c_set_bus_speed(oldspeed);
@@ -129,15 +132,6 @@ void am33xx_spl_board_init(void)
puts("ERROR: i2c_set_bus_speed failed! (turn on PWR_nEN)\n");
}

-#if defined(CONFIG_AM335X_USB0)
- /* power on USB2SD Controller */
- gpio_direction_output(USB2SD_PWR, 1);
- mdelay(1);
- /* give a reset Pulse to USB2SD Controller */
- gpio_direction_output(USB2SD_NRST, 0);
- mdelay(1);
- gpio_set_value(USB2SD_NRST, 1);
-#endif
pmicsetup(0);
}

@@ -166,7 +160,6 @@ int board_init(void)
#ifdef CONFIG_BOARD_LATE_INIT
int board_late_init(void)
{
- const unsigned int ton = 250;
const unsigned int toff = 1000;
unsigned int cnt = 3;
unsigned short buf = 0xAAAA;
@@ -175,50 +168,77 @@ int board_late_init(void)
tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
TPS65217_WLEDCTRL2, 0x32, 0xFF); /* 50% dimlevel */

- if (gpio_get_value(KEY)) {
+ if (gpio_get_value(ESC_KEY)) {
do {
- /* turn on light */
- tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
- TPS65217_WLEDCTRL1, 0x09, 0xFF);
- mdelay(ton);
- /* turn off light */
- tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
- TPS65217_WLEDCTRL1, 0x01, 0xFF);
+ lcd_position_cursor(1, 8);
+ switch (cnt) {
+ case 3:
+ lcd_puts(
+ "release ESC-KEY to enter SERVICE-mode.");
+ break;
+ case 2:
+ lcd_puts(
+ "release ESC-KEY to enter DIAGNOSE-mode.");
+ break;
+ case 1:
+ lcd_puts(
+ "release ESC-KEY to enter BOOT-mode. ");
+ break;
+ }
mdelay(toff);
cnt--;
- if (!gpio_get_value(KEY) &&
+ if (!gpio_get_value(ESC_KEY) &&
+ gpio_get_value(PUSH_KEY) && 2 == cnt) {
+ lcd_position_cursor(1, 8);
+ lcd_puts(
+ "switching to network-console ... ");
+ setenv("bootcmd", "run netconsole");
+ cnt = 4;
+ break;
+ } else if (!gpio_get_value(ESC_KEY) &&
gpio_get_value(PUSH_KEY) && 1 == cnt) {
- puts("updating from USB ...\n");
+ lcd_position_cursor(1, 8);
+ lcd_puts(
+ "updating U-BOOT from USB ... ");
setenv("bootcmd", "run usbupdate");
+ cnt = 4;
break;
- } else if (!gpio_get_value(KEY)) {
+ } else if ((!gpio_get_value(ESC_KEY) &&
+ gpio_get_value(PUSH_KEY) && cnt == 0) ||
+ (gpio_get_value(ESC_KEY) &&
+ gpio_get_value(PUSH_KEY) && cnt == 0)) {
+ lcd_position_cursor(1, 8);
+ lcd_puts(
+ "starting script from network ... ");
+ setenv("bootcmd", "run netscript");
+ cnt = 4;
+ break;
+ } else if (!gpio_get_value(ESC_KEY)) {
break;
}
} while (cnt);
}

+ lcd_position_cursor(1, 8);
switch (cnt) {
case 0:
- puts("3 blinks ... entering BOOT mode.\n");
+ lcd_puts("entering BOOT-mode. ");
+ setenv("bootcmd", "run defaultAR");
buf = 0x0000;
break;
case 1:
- puts("2 blinks ... entering DIAGNOSE mode.\n");
+ lcd_puts("entering DIAGNOSE-mode. ");
buf = 0x0F0F;
break;
case 2:
- puts("1 blinks ... entering SERVICE mode.\n");
+ lcd_puts("entering SERVICE mode. ");
buf = 0xB4B4;
break;
case 3:
- puts("0 blinks ... entering RUN mode.\n");
+ lcd_puts("loading OS... ");
buf = 0x0404;
break;
}
- mdelay(ton);
- /* turn on light */
- tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
- TPS65217_WLEDCTRL1, 0x09, 0xFF);
/* write bootinfo into scratchregister of resetcontroller */
oldspeed = i2c_get_bus_speed();
if (i2c_set_bus_speed(CONFIG_SYS_OMAP24_I2C_SPEED_PSOC) >= 0) {
diff --git a/board/BuR/kwb/mux.c b/board/BuR/kwb/mux.c
index ecb2e7a..9f89b5e 100644
--- a/board/BuR/kwb/mux.c
+++ b/board/BuR/kwb/mux.c
@@ -16,23 +16,17 @@
#include <asm/io.h>
#include <i2c.h>

-static struct module_pin_mux usb0_pin_mux[] = {
- {OFFSET(usb0_id), (MODE(0) | RXACTIVE)},
- /* USB0 DrvBus Receiver disable (from romcode 0x20) */
- {OFFSET(usb0_drvvbus), (MODE(0))},
- /* USB1 DrvBus as GPIO due to HW-Workaround */
- {OFFSET(usb1_drvvbus), (MODE(7))},
- {-1},
-};
-static struct module_pin_mux spi1_pin_mux[] = {
+static struct module_pin_mux spi0_pin_mux[] = {
/* SPI1_SCLK */
- {OFFSET(mcasp0_aclkx), MODE(3) | PULLUDEN | RXACTIVE},
+ {OFFSET(spi0_sclk), MODE(0) | PULLUDEN | RXACTIVE},
/* SPI1_D0 */
- {OFFSET(mcasp0_fsx), MODE(3) | PULLUDEN | RXACTIVE},
+ {OFFSET(spi0_d0), MODE(0) | PULLUDEN | RXACTIVE},
/* SPI1_D1 */
- {OFFSET(mcasp0_axr0), MODE(3) | PULLUDEN | RXACTIVE},
+ {OFFSET(spi0_d1), MODE(0) | PULLUDEN | RXACTIVE},
/* SPI1_CS0 */
- {OFFSET(mcasp0_ahclkr), MODE(3) | PULLUDEN | PULLUP_EN | RXACTIVE},
+ {OFFSET(spi0_cs0), MODE(0) | PULLUDEN | PULLUP_EN | RXACTIVE},
+ /* SPI1_CS1 */
+ {OFFSET(spi0_cs1), MODE(0) | PULLUDEN | PULLUP_EN | RXACTIVE},
{-1},
};

@@ -53,30 +47,34 @@ static struct module_pin_mux dcan1_pin_mux[] = {
};

static struct module_pin_mux gpios[] = {
- /* GPIO0_29 (RMII1_REFCLK) - eMMC nRST */
- {OFFSET(rmii1_refclk), (MODE(7) | PULLUDDIS)},
- /* GPIO0_4 (SPI D1) - TA602 */
- {OFFSET(spi0_d1), (MODE(7) | PULLUDDIS | RXACTIVE)},
- /* GPIO0_5 (SPI CS0) - DISPLAY_ON_OFF */
- {OFFSET(spi0_cs0), (MODE(7) | PULLUDDIS)},
/* GPIO0_7 (PWW0 OUT) - CAN TERM */
{OFFSET(ecap0_in_pwm0_out), (MODE(7) | PULLUDDIS | RXACTIVE)},
- /* GPIO0_19 (DMA_INTR0) - CLKOUT SYS */
- {OFFSET(xdma_event_intr0), (MODE(7) | RXACTIVE)},
- /* GPIO0_20 (DMA_INTR1) - SPI1 nCS1 */
- {OFFSET(xdma_event_intr1), (MODE(7) | PULLUDEN | PULLUP_EN)},
+ /* GPIO0_19 (DMA_INTR0) - TA602 */
+ {OFFSET(xdma_event_intr0), (MODE(7) | PULLUDDIS | RXACTIVE)},
+ /* GPIO0_20 (DMA_INTR1) - SPI0 nCS1 */
+ {OFFSET(xdma_event_intr1), (MODE(7) | PULLUDDIS | RXACTIVE)},
+ /* GPIO0_29 (RMII1_REFCLK) - eMMC nRST */
+ {OFFSET(rmii1_refclk), (MODE(7) | PULLUDDIS)},
/* GPIO0_30 (GPMC_WAIT0) - TA601 */
{OFFSET(gpmc_wait0), (MODE(7) | PULLUDDIS | RXACTIVE)},
/* GPIO0_31 (GPMC_nWP) - SW601 PushButton */
{OFFSET(gpmc_wpn), (MODE(7) | PULLUDDIS | RXACTIVE)},
/* GPIO1_28 (GPMC_nWE) - FRAM_nWP */
{OFFSET(gpmc_be1n), (MODE(7) | PULLUDDIS)},
+ /* GPIO1_29 (gpmc_csn0) - MMC nRST */
+ {OFFSET(gpmc_csn0), (MODE(7) | PULLUDDIS)},
/* GPIO2_0 (GPMC_nCS3) - VBAT_OK */
{OFFSET(gpmc_csn3), (MODE(7) | PULLUDDIS | RXACTIVE) },
/* GPIO2_2 (GPMC_nADV_ALE) - DCOK */
{OFFSET(gpmc_advn_ale), (MODE(7) | PULLUDDIS | RXACTIVE)},
/* GPIO2_4 (GPMC_nWE) - TST_BAST */
{OFFSET(gpmc_wen), (MODE(7) | PULLUDDIS)},
+ /* GPIO2_5 (gpmc_be0n_cle) - DISPLAY_ON_OFF */
+ {OFFSET(gpmc_be0n_cle), (MODE(7) | PULLUDDIS)},
+ /* GPIO3_16 (mcasp0_axr0) - ETH-LED green */
+ {OFFSET(mcasp0_axr0), (MODE(7) | PULLUDDIS | RXACTIVE)},
+ /* GPIO3_17 (mcasp0_ahclkr) - CAN_STB */
+ {OFFSET(mcasp0_ahclkr), (MODE(7) | PULLUDDIS | RXACTIVE)},
/* GPIO3_18 (MCASP0_ACLKR) - SW601 CNTup, mapped to Counter eQEB0A_in */
{OFFSET(mcasp0_aclkr), (MODE(1) | PULLUDDIS | RXACTIVE)},
/* GPIO3_19 (MCASP0_FSR) - SW601 CNTdown, mapped to Counter eQEB0B_in */
@@ -126,6 +124,10 @@ static struct module_pin_mux mii1_pin_mux[] = {
};

static struct module_pin_mux mmc1_pin_mux[] = {
+ {OFFSET(gpmc_ad7), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT7 */
+ {OFFSET(gpmc_ad6), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT6 */
+ {OFFSET(gpmc_ad5), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT5 */
+ {OFFSET(gpmc_ad4), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT4 */
{OFFSET(gpmc_ad3), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT3 */
{OFFSET(gpmc_ad2), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT2 */
{OFFSET(gpmc_ad1), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT1 */
@@ -187,8 +189,7 @@ void enable_board_pin_mux(void)
{
configure_module_pin_mux(i2c0_pin_mux);
configure_module_pin_mux(mii1_pin_mux);
- configure_module_pin_mux(usb0_pin_mux);
- configure_module_pin_mux(spi1_pin_mux);
+ configure_module_pin_mux(spi0_pin_mux);
configure_module_pin_mux(dcan0_pin_mux);
configure_module_pin_mux(dcan1_pin_mux);
configure_module_pin_mux(mmc1_pin_mux);
diff --git a/include/configs/kwb.h b/include/configs/kwb.h
index 29b263f..2c59fbd 100644
--- a/include/configs/kwb.h
+++ b/include/configs/kwb.h
@@ -14,6 +14,11 @@

#include <configs/bur_am335x_common.h>
/* ------------------------------------------------------------------------- */
+#define CONFIG_AM335X_LCD
+#define CONFIG_LCD
+#define CONFIG_LCD_NOSTDOUT
+#define CONFIG_SYS_WHITE_ON_BLACK
+#define LCD_BPP LCD_COLOR32
/* Clock Defines */
#define V_OSCK 26000000 /* Clock output from T2 */
#define V_SCLK (V_OSCK)
@@ -87,8 +92,6 @@
#undef CONFIG_BOOTM_NETBSD
#undef CONFIG_BOOTM_PLAN9
#undef CONFIG_BOOTM_RTEMS
-#undef CONFIG_GZIP
-#undef CONFIG_ZLIB

/* USB configuration */
#define CONFIG_USB_MUSB_DSPS
@@ -100,6 +103,8 @@
#define CONFIG_MUSB_HOST
#define CONFIG_AM335X_USB0
#define CONFIG_AM335X_USB0_MODE MUSB_HOST
+#define CONFIG_AM335X_USB1
+#define CONFIG_AM335X_USB1_MODE MUSB_HOST

#ifdef CONFIG_MUSB_HOST
#define CONFIG_CMD_USB
--
1.7.9.5