phys_size_t initdram(int board_type)
{
phys_size_t dram_size;
int use_spd = 0;
puts("Initializing....");
#ifdef CONFIG_DDR_SPD
/* if hwconfig is not enabled, or "sdram" is not defined, use spd */
if (hwconfig_sub("fsl_ddr", "sdram")) {
if (hwconfig_subarg_cmp("fsl_ddr", "sdram", "spd"))
use_spd = 1;
else if (hwconfig_subarg_cmp("fsl_ddr", "sdram", "fixed"))
use_spd = 0;
else
use_spd = 1;
} else
use_spd = 1;
#endif
if (use_spd) {
puts("using SPD\n");
dram_size = fsl_ddr_sdram();
} else {
puts("using fixed parameters\n");
dram_size = fixed_sdram();
}
dram_size = setup_ddr_tlbs(dram_size / 0x100000);
dram_size *= 0x100000;
puts(" DDR: ");
return dram_size;
}
int misc_init_r(void)
{
struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
if (hwconfig_subarg_cmp("fsl_p1010mux", "tdm_can", "can")) {
clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_CAN1_TDM |
MPC85xx_PMUXCR_CAN1_UART |
MPC85xx_PMUXCR_CAN2_TDM |
MPC85xx_PMUXCR_CAN2_UART);
out_8(&cpld_data->tdm_can_sel, MUX_CPLD_CAN_UART);
} else if (hwconfig_subarg_cmp("fsl_p1010mux", "tdm_can", "tdm")) {
clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_CAN2_UART |
MPC85xx_PMUXCR_CAN1_UART);
setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_CAN2_TDM |
MPC85xx_PMUXCR_CAN1_TDM);
clrbits_be32(&gur->pmuxcr2, MPC85xx_PMUXCR2_UART_GPIO);
setbits_be32(&gur->pmuxcr2, MPC85xx_PMUXCR2_UART_TDM);
out_8(&cpld_data->tdm_can_sel, MUX_CPLD_TDM);
out_8(&cpld_data->spi_cs0_sel, MUX_CPLD_SPICS0_SLIC);
} else {
/* defaultly spi_cs_sel to flash */
out_8(&cpld_data->spi_cs0_sel, MUX_CPLD_SPICS0_FLASH);
}
return 0;
}
/*
* Initializes on-board ethernet controllers.
*/
int board_eth_init(bd_t *bis)
{
#ifdef CONFIG_DRIVER_TI_EMAC
davinci_emac_mii_mode_sel(0);
#endif /* CONFIG_DRIVER_TI_EMAC */
if (!davinci_emac_initialize()) {
printf("Error: Ethernet init failed!\n");
return -1;
}
if (hwconfig_subarg_cmp("switch", "lan", "on"))
/* Switch port lan on */
enbw_cmc_switch(1, 1);
else
enbw_cmc_switch(1, 0);
if (hwconfig_subarg_cmp("switch", "pwl", "on"))
/* Switch port pwl on */
enbw_cmc_switch(2, 1);
else
enbw_cmc_switch(2, 0);
return 0;
}
/*
* Initializes on-board ethernet controllers.
*/
int board_eth_init(bd_t *bis)
{
struct spi_slave *spi;
const char *s;
size_t len = 0;
int config = 1;
davinci_emac_mii_mode_sel(0);
/* send a config file to the switch */
s = hwconfig_subarg("switch", "config", &len);
if (len) {
unsigned long addr = simple_strtoul(s, NULL, 16);
config = enbw_cmc_config_switch(addr);
}
if (config) {
/*
* no valid config file -> do we have some args in
* hwconfig ?
*/
if ((hwconfig_subarg("switch", "lan", &len)) ||
(hwconfig_subarg("switch", "lmn", &len))) {
/* If so start switch */
spi = enbw_cmc_init_spi();
if (spi) {
if (enbw_cmc_switch_write(spi, 1, 0))
config = 0;
udelay(10000);
if (enbw_cmc_switch_write(spi, 1, 1))
config = 0;
spi_release_bus(spi);
spi_free_slave(spi);
}
} else {
config = 0;
}
}
if (!davinci_emac_initialize()) {
printf("Error: Ethernet init failed!\n");
return -1;
}
if (config) {
if (hwconfig_subarg_cmp("switch", "lan", "on"))
/* Switch port lan on */
enbw_cmc_switch(1, 1);
else
enbw_cmc_switch(1, 0);
if (hwconfig_subarg_cmp("switch", "lmn", "on"))
/* Switch port pwl on */
enbw_cmc_switch(2, 1);
else
enbw_cmc_switch(2, 0);
}
return 0;
}
void fdt_fixup_dr_usb(void *blob, bd_t *bd)
{
const char *modes[] = { "host", "peripheral", "otg" };
const char *phys[] = { "ulpi", "utmi" };
const char *dr_mode_type = NULL;
const char *dr_phy_type = NULL;
int usb_mode_off = -1;
int usb_phy_off = -1;
char str[5];
int i, j;
for (i = 1; i <= CONFIG_USB_MAX_CONTROLLER_COUNT; i++) {
int mode_idx = -1, phy_idx = -1;
snprintf(str, 5, "%s%d", "usb", i);
if (hwconfig(str)) {
for (j = 0; j < ARRAY_SIZE(modes); j++) {
if (hwconfig_subarg_cmp(str, "dr_mode",
modes[j])) {
mode_idx = j;
break;
}
}
for (j = 0; j < ARRAY_SIZE(phys); j++) {
if (hwconfig_subarg_cmp(str, "phy_type",
phys[j])) {
phy_idx = j;
break;
}
}
if (mode_idx < 0 || phy_idx < 0) {
puts("ERROR: wrong usb mode/phy defined!!\n");
return;
}
dr_mode_type = modes[mode_idx];
dr_phy_type = phys[phy_idx];
if (mode_idx < 0 && phy_idx < 0) {
printf("WARNING: invalid phy or mode\n");
return;
}
}
usb_mode_off = fdt_fixup_usb_mode_phy_type(blob,
dr_mode_type, NULL, usb_mode_off);
if (usb_mode_off < 0)
return;
usb_phy_off = fdt_fixup_usb_mode_phy_type(blob,
NULL, dr_phy_type, usb_phy_off);
if (usb_phy_off < 0)
return;
}
}
void fdt_fixup_dr_usb(void *blob, bd_t *bd)
{
const char *modes[] = { "host", "peripheral", "otg" };
const char *phys[] = { "ulpi", "utmi" };
const char *mode = NULL;
const char *phy_type = NULL;
char usb1_defined = 0;
int usb_mode_off = -1;
int usb_phy_off = -1;
char str[5];
int i, j;
for (i = 1; i <= FSL_MAX_NUM_USB_CTRLS; i++) {
int mode_idx = -1, phy_idx = -1;
snprintf(str, 5, "%s%d", "usb", i);
if (hwconfig(str)) {
for (j = 0; j < ARRAY_SIZE(modes); j++) {
if (hwconfig_subarg_cmp(str, "dr_mode",
modes[j])) {
mode_idx = j;
break;
}
}
for (j = 0; j < ARRAY_SIZE(phys); j++) {
if (hwconfig_subarg_cmp(str, "phy_type",
phys[j])) {
phy_idx = j;
break;
}
}
if (mode_idx >= 0) {
usb_mode_off = fdt_fixup_usb_mode_phy_type(blob,
modes[mode_idx], NULL, usb_mode_off);
if (usb_mode_off < 0)
return;
}
if (phy_idx >= 0) {
usb_phy_off = fdt_fixup_usb_mode_phy_type(blob,
NULL, phys[phy_idx], usb_phy_off);
if (usb_phy_off < 0)
return;
}
if (!strcmp(str, "usb1"))
usb1_defined = 1;
if (mode_idx < 0 && phy_idx < 0)
printf("WARNING: invalid phy or mode\n");
}
}
if (!usb1_defined) {
int usb_off = -1;
mode = getenv("usb_dr_mode");
phy_type = getenv("usb_phy_type");
if (!mode && !phy_type)
return;
fdt_fixup_usb_mode_phy_type(blob, mode, phy_type, usb_off);
}
}
void ft_board_setup(void *blob, bd_t *bd)
{
phys_addr_t base;
phys_size_t size;
struct cpu_type *cpu;
cpu = gd->arch.cpu;
ft_cpu_setup(blob, bd);
base = getenv_bootm_low();
size = getenv_bootm_size();
#if defined(CONFIG_PCI)
FT_FSL_PCI_SETUP;
#endif
fdt_fixup_memory(blob, (u64)base, (u64)size);
#if defined(CONFIG_HAS_FSL_DR_USB)
fdt_fixup_dr_usb(blob, bd);
#endif
/* P1014 and it's derivatives don't support CAN and eTSEC3 */
if (cpu->soc_ver == SVR_P1014) {
fdt_del_flexcan(blob);
fdt_del_node_and_alias(blob, "ethernet2");
}
#ifndef CONFIG_SDCARD
/* disable sdhc due to sdhc bug */
fdt_del_sdhc(blob);
if (hwconfig_subarg_cmp("fsl_p1010mux", "tdm_can", "can")) {
fdt_del_tdm(blob);
fdt_del_spi_slic(blob);
} else if (hwconfig_subarg_cmp("fsl_p1010mux", "tdm_can", "tdm")) {
fdt_del_flexcan(blob);
fdt_del_spi_flash(blob);
fdt_disable_uart1(blob);
} else {
/*
* If we don't set fsl_p1010mux:tdm_can to "can" or "tdm"
* explicitly, defaultly spi_cs_sel to spi-flash instead of
* to tdm/slic.
*/
fdt_del_tdm(blob);
fdt_del_flexcan(blob);
fdt_disable_uart1(blob);
}
#endif
}
int main()
{
const char *ret;
size_t len;
setenv("hwconfig", "key1:subkey1=value1,subkey2=value2;key2:value3;;;;"
"key3;:,:=;key4", 1);
ret = hwconfig_arg("key1", &len);
printf("%zd %.*s\n", len, (int)len, ret);
assert(len == 29);
assert(hwconfig_arg_cmp("key1", "subkey1=value1,subkey2=value2"));
assert(!strncmp(ret, "subkey1=value1,subkey2=value2", len));
ret = hwconfig_subarg("key1", "subkey1", &len);
printf("%zd %.*s\n", len, (int)len, ret);
assert(len == 6);
assert(hwconfig_subarg_cmp("key1", "subkey1", "value1"));
assert(!strncmp(ret, "value1", len));
ret = hwconfig_subarg("key1", "subkey2", &len);
printf("%zd %.*s\n", len, (int)len, ret);
assert(len == 6);
assert(hwconfig_subarg_cmp("key1", "subkey2", "value2"));
assert(!strncmp(ret, "value2", len));
ret = hwconfig_arg("key2", &len);
printf("%zd %.*s\n", len, (int)len, ret);
assert(len == 6);
assert(hwconfig_arg_cmp("key2", "value3"));
assert(!strncmp(ret, "value3", len));
assert(hwconfig("key3"));
assert(hwconfig_arg("key4", &len) == NULL);
assert(hwconfig_arg("bogus", &len) == NULL);
unsetenv("hwconfig");
assert(hwconfig(NULL) == 0);
assert(hwconfig("") == 0);
assert(hwconfig("key3") == 0);
return 0;
}
static void fdt_board_fixup_qe_usb(void *blob, bd_t *bd)
{
u8 *bcsr = (u8 *)CONFIG_SYS_BCSR_BASE;
if (hwconfig_subarg_cmp("qe_usb", "speed", "low"))
clrbits_8(&bcsr[17], BCSR17_nUSBLOWSPD);
else
setbits_8(&bcsr[17], BCSR17_nUSBLOWSPD);
if (hwconfig_subarg_cmp("qe_usb", "mode", "peripheral")) {
clrbits_8(&bcsr[17], BCSR17_USBVCC);
clrbits_8(&bcsr[17], BCSR17_USBMODE);
do_fixup_by_compat(blob, "fsl,mpc8569-qe-usb", "mode",
"peripheral", sizeof("peripheral"), 1);
} else {
setbits_8(&bcsr[17], BCSR17_USBVCC);
setbits_8(&bcsr[17], BCSR17_USBMODE);
}
clrbits_8(&bcsr[17], BCSR17_nUSBEN);
}
int board_pci_host_broken(void)
{
struct immap __iomem *im = (struct immap __iomem *)CONFIG_SYS_IMMR;
const u32 rcw_mask = HRCWH_PCI1_ARBITER_ENABLE | HRCWH_PCI_HOST;
/* It's always OK in case of external arbiter. */
if (hwconfig_subarg_cmp("pci", "arbiter", "external"))
return 0;
if ((in_be32(&im->reset.rcwh) & rcw_mask) != rcw_mask)
return 1;
return 0;
}
static void fdt_board_fixup_esdhc(void *blob, bd_t *bd)
{
const char *status = "disabled";
int off = -1;
if (!hwconfig("esdhc"))
return;
if (esdhc_disables_uart0())
fdt_board_disable_serial(blob, bd, "serial0");
while (1) {
const u32 *idx;
int len;
off = fdt_node_offset_by_compatible(blob, off, "fsl-i2c");
if (off < 0)
break;
idx = fdt_getprop(blob, off, "cell-index", &len);
if (!idx || len != sizeof(*idx))
continue;
if (*idx == 1) {
fdt_setprop(blob, off, "status", status,
strlen(status) + 1);
break;
}
}
if (hwconfig_subarg_cmp("esdhc", "mode", "4-bits")) {
off = fdt_node_offset_by_compatible(blob, -1, "fsl,esdhc");
if (off < 0) {
printf("WARNING: could not find esdhc node\n");
return;
}
fdt_delprop(blob, off, "sdhci,1-bit-only");
}
}
void fdt_fixup_dr_usb(void *blob, bd_t *bd)
{
const char *modes[] = { "host", "peripheral", "otg" };
const char *phys[] = { "ulpi", "utmi" };
const char *mode = NULL;
const char *phy_type = NULL;
const char *dr_mode_type = NULL;
const char *dr_phy_type = NULL;
char usb1_defined = 0;
int usb_mode_off = -1;
int usb_phy_off = -1;
char str[5];
int i, j;
for (i = 1; i <= FSL_MAX_NUM_USB_CTRLS; i++) {
int mode_idx = -1, phy_idx = -1;
snprintf(str, 5, "%s%d", "usb", i);
if (hwconfig(str)) {
for (j = 0; j < ARRAY_SIZE(modes); j++) {
if (hwconfig_subarg_cmp(str, "dr_mode",
modes[j])) {
mode_idx = j;
break;
}
}
for (j = 0; j < ARRAY_SIZE(phys); j++) {
if (hwconfig_subarg_cmp(str, "phy_type",
phys[j])) {
phy_idx = j;
break;
}
}
dr_mode_type = modes[mode_idx];
dr_phy_type = phys[phy_idx];
/* use usb_dr_mode and usb_phy_type if
usb1_defined = 0; these variables are to
be deprecated */
if (!strcmp(str, "usb1"))
usb1_defined = 1;
if (mode_idx < 0 && phy_idx < 0) {
printf("WARNING: invalid phy or mode\n");
return;
}
}
usb_mode_off = fdt_fixup_usb_mode_phy_type(blob,
dr_mode_type, NULL, usb_mode_off);
if (usb_mode_off < 0)
return;
usb_phy_off = fdt_fixup_usb_mode_phy_type(blob,
NULL, dr_phy_type, usb_phy_off);
if (usb_phy_off < 0)
return;
}
if (!usb1_defined) {
int usb_off = -1;
mode = getenv("usb_dr_mode");
phy_type = getenv("usb_phy_type");
if (mode || phy_type) {
printf("WARNING: usb_dr_mode and usb_phy_type "
"are to be deprecated soon. Use "
"hwconfig to set these values instead!!\n");
fdt_fixup_usb_mode_phy_type(blob, mode,
phy_type, usb_off);
}
}
}
static int esdhc_disables_uart0(void)
{
return prototype_board() ||
hwconfig_subarg_cmp("esdhc", "mode", "4-bits");
}
static int prototype_board(void)
{
if (hwconfig_subarg("board", "rev", NULL))
return hwconfig_subarg_cmp("board", "rev", "prototype");
return 1;
}
/* setup GPIO pinmux and default configuration per baseboard and env */
void setup_board_gpio(int board, struct ventana_board_info *info)
{
const char *s;
char arg[10];
size_t len;
int i;
int quiet = simple_strtol(getenv("quiet"), NULL, 10);
if (board >= GW_UNKNOWN)
return;
/* RS232_EN# */
if (gpio_cfg[board].rs232_en) {
gpio_direction_output(gpio_cfg[board].rs232_en,
(hwconfig("rs232")) ? 0 : 1);
}
/* MSATA Enable */
if (gpio_cfg[board].msata_en && is_cpu_type(MXC_CPU_MX6Q)) {
gpio_direction_output(GP_MSATA_SEL,
(hwconfig("msata")) ? 1 : 0);
}
/* USBOTG Select (PCISKT or FrontPanel) */
if (gpio_cfg[board].usb_sel) {
gpio_direction_output(gpio_cfg[board].usb_sel,
(hwconfig("usb_pcisel")) ? 1 : 0);
}
/*
* Configure DIO pinmux/padctl registers
* see IMX6DQRM/IMX6SDLRM IOMUXC_SW_PAD_CTL_PAD_* register definitions
*/
for (i = 0; i < gpio_cfg[board].dio_num; i++) {
struct dio_cfg *cfg = &gpio_cfg[board].dio_cfg[i];
iomux_v3_cfg_t ctrl = DIO_PAD_CFG;
unsigned cputype = is_cpu_type(MXC_CPU_MX6Q) ? 0 : 1;
if (!cfg->gpio_padmux[0] && !cfg->gpio_padmux[1])
continue;
sprintf(arg, "dio%d", i);
if (!hwconfig(arg))
continue;
s = hwconfig_subarg(arg, "padctrl", &len);
if (s) {
ctrl = MUX_PAD_CTRL(simple_strtoul(s, NULL, 16)
& 0x1ffff) | MUX_MODE_SION;
}
if (hwconfig_subarg_cmp(arg, "mode", "gpio")) {
if (!quiet) {
printf("DIO%d: GPIO%d_IO%02d (gpio-%d)\n", i,
(cfg->gpio_param/32)+1,
cfg->gpio_param%32,
cfg->gpio_param);
}
imx_iomux_v3_setup_pad(cfg->gpio_padmux[cputype] |
ctrl);
gpio_requestf(cfg->gpio_param, "dio%d", i);
gpio_direction_input(cfg->gpio_param);
} else if (hwconfig_subarg_cmp(arg, "mode", "pwm") &&
cfg->pwm_padmux) {
if (!cfg->pwm_param) {
printf("DIO%d: Error: pwm config invalid\n",
i);
continue;
}
if (!quiet)
printf("DIO%d: pwm%d\n", i, cfg->pwm_param);
imx_iomux_v3_setup_pad(cfg->pwm_padmux[cputype] |
MUX_PAD_CTRL(ctrl));
}
}
if (!quiet) {
if (gpio_cfg[board].msata_en && is_cpu_type(MXC_CPU_MX6Q)) {
printf("MSATA: %s\n", (hwconfig("msata") ?
"enabled" : "disabled"));
}
if (gpio_cfg[board].rs232_en) {
printf("RS232: %s\n", (hwconfig("rs232")) ?
"enabled" : "disabled");
}
}
}
