Merge branch 'master' of git://git.denx.de/u-boot-arm

Fix a trivial conflict in arch/arm/dts/exynos5250.dtsi about gpio and
serial.

Conflicts:
	arch/arm/dts/exynos5250.dtsi

Signed-off-by: Tom Rini <trini@ti.com>
This commit is contained in:
Tom Rini
2013-07-12 10:36:48 -04:00
118 changed files with 5291 additions and 2356 deletions

View File

@@ -447,10 +447,13 @@ static int ahci_exec_ata_cmd(struct ahci_probe_ent *probe_ent,
if (buf && buf_len)
sg_count = ahci_fill_sg(probe_ent, port, buf, buf_len);
opts = (sizeof(struct sata_fis_h2d) >> 2) | (sg_count << 16);
if (is_write)
if (is_write) {
opts |= 0x40;
flush_cache((ulong)buf, buf_len);
}
ahci_fill_cmd_slot(pp, cmd_slot, opts);
flush_cache((int)(pp->cmd_slot), AHCI_PORT_PRIV_DMA_SZ);
writel_with_flush(1 << cmd_slot, &(port_mmio->ci));
if (waiting_for_cmd_completed((u8 *)&(port_mmio->ci),
@@ -458,8 +461,12 @@ static int ahci_exec_ata_cmd(struct ahci_probe_ent *probe_ent,
printf("timeout exit!\n");
return -1;
}
invalidate_dcache_range((int)(pp->cmd_slot),
(int)(pp->cmd_slot)+AHCI_PORT_PRIV_DMA_SZ);
debug("ahci_exec_ata_cmd: %d byte transferred.\n",
pp->cmd_slot->status);
if (!is_write)
invalidate_dcache_range((ulong)buf, (ulong)buf+buf_len);
return buf_len;
}
@@ -468,7 +475,8 @@ static void ahci_set_feature(u8 dev, u8 port)
{
struct ahci_probe_ent *probe_ent =
(struct ahci_probe_ent *)sata_dev_desc[dev].priv;
struct sata_fis_h2d h2d, *cfis = &h2d;
struct sata_fis_h2d h2d __aligned(ARCH_DMA_MINALIGN);
struct sata_fis_h2d *cfis = &h2d;
memset(cfis, 0, sizeof(struct sata_fis_h2d));
cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
@@ -615,7 +623,8 @@ static void dwc_ahsata_identify(int dev, u16 *id)
{
struct ahci_probe_ent *probe_ent =
(struct ahci_probe_ent *)sata_dev_desc[dev].priv;
struct sata_fis_h2d h2d, *cfis = &h2d;
struct sata_fis_h2d h2d __aligned(ARCH_DMA_MINALIGN);
struct sata_fis_h2d *cfis = &h2d;
u8 port = probe_ent->hard_port_no;
memset(cfis, 0, sizeof(struct sata_fis_h2d));
@@ -645,7 +654,8 @@ static u32 dwc_ahsata_rw_cmd(int dev, u32 start, u32 blkcnt,
{
struct ahci_probe_ent *probe_ent =
(struct ahci_probe_ent *)sata_dev_desc[dev].priv;
struct sata_fis_h2d h2d, *cfis = &h2d;
struct sata_fis_h2d h2d __aligned(ARCH_DMA_MINALIGN);
struct sata_fis_h2d *cfis = &h2d;
u8 port = probe_ent->hard_port_no;
u32 block;
@@ -675,7 +685,8 @@ void dwc_ahsata_flush_cache(int dev)
{
struct ahci_probe_ent *probe_ent =
(struct ahci_probe_ent *)sata_dev_desc[dev].priv;
struct sata_fis_h2d h2d, *cfis = &h2d;
struct sata_fis_h2d h2d __aligned(ARCH_DMA_MINALIGN);
struct sata_fis_h2d *cfis = &h2d;
u8 port = probe_ent->hard_port_no;
memset(cfis, 0, sizeof(struct sata_fis_h2d));
@@ -692,7 +703,8 @@ static u32 dwc_ahsata_rw_cmd_ext(int dev, u32 start, lbaint_t blkcnt,
{
struct ahci_probe_ent *probe_ent =
(struct ahci_probe_ent *)sata_dev_desc[dev].priv;
struct sata_fis_h2d h2d, *cfis = &h2d;
struct sata_fis_h2d h2d __aligned(ARCH_DMA_MINALIGN);
struct sata_fis_h2d *cfis = &h2d;
u8 port = probe_ent->hard_port_no;
u64 block;
@@ -728,7 +740,8 @@ u32 dwc_ahsata_rw_ncq_cmd(int dev, u32 start, lbaint_t blkcnt,
{
struct ahci_probe_ent *probe_ent =
(struct ahci_probe_ent *)sata_dev_desc[dev].priv;
struct sata_fis_h2d h2d, *cfis = &h2d;
struct sata_fis_h2d h2d __aligned(ARCH_DMA_MINALIGN);
struct sata_fis_h2d *cfis = &h2d;
u8 port = probe_ent->hard_port_no;
u64 block;
@@ -769,7 +782,8 @@ void dwc_ahsata_flush_cache_ext(int dev)
{
struct ahci_probe_ent *probe_ent =
(struct ahci_probe_ent *)sata_dev_desc[dev].priv;
struct sata_fis_h2d h2d, *cfis = &h2d;
struct sata_fis_h2d h2d __aligned(ARCH_DMA_MINALIGN);
struct sata_fis_h2d *cfis = &h2d;
u8 port = probe_ent->hard_port_no;
memset(cfis, 0, sizeof(struct sata_fis_h2d));
@@ -912,7 +926,9 @@ int scan_sata(int dev)
u8 port = probe_ent->hard_port_no;
block_dev_desc_t *pdev = &(sata_dev_desc[dev]);
id = (u16 *)malloc(ATA_ID_WORDS * 2);
id = (u16 *)memalign(ARCH_DMA_MINALIGN,
roundup(ARCH_DMA_MINALIGN,
(ATA_ID_WORDS * 2)));
if (!id) {
printf("id malloc failed\n\r");
return -1;

View File

@@ -55,7 +55,7 @@ static inline int get_gpio_index(int gpio)
int gpio_is_valid(int gpio)
{
return (gpio >= 0) && (gpio < 192);
return (gpio >= 0) && (gpio < OMAP_MAX_GPIO);
}
static int check_gpio(int gpio)

View File

@@ -61,7 +61,7 @@ int gpio_set_value(unsigned gpio, int value)
else
l &= ~bit;
return writel(port, l);
return writel(l, port);
}
int gpio_get_value(unsigned gpio)
@@ -85,11 +85,11 @@ int gpio_free(unsigned gpio)
int gpio_direction_input(unsigned gpio)
{
return writel(GPIO_FULLPORT(gpio), GPIO_INPUT << GPIO_BIT(gpio));
return writel(GPIO_INPUT << GPIO_BIT(gpio), GPIO_FULLPORT(gpio));
}
int gpio_direction_output(unsigned gpio, int value)
{
writel(GPIO_FULLPORT(gpio), GPIO_OUTPUT << GPIO_BIT(gpio));
writel(GPIO_OUTPUT << GPIO_BIT(gpio), GPIO_FULLPORT(gpio));
return gpio_set_value(gpio, value);
}

View File

@@ -48,15 +48,8 @@ void s5p_gpio_cfg_pin(struct s5p_gpio_bank *bank, int gpio, int cfg)
void s5p_gpio_direction_output(struct s5p_gpio_bank *bank, int gpio, int en)
{
unsigned int value;
s5p_gpio_cfg_pin(bank, gpio, GPIO_OUTPUT);
value = readl(&bank->dat);
value &= ~DAT_MASK(gpio);
if (en)
value |= DAT_SET(gpio);
writel(value, &bank->dat);
s5p_gpio_set_value(bank, gpio, en);
}
void s5p_gpio_direction_input(struct s5p_gpio_bank *bank, int gpio)

View File

@@ -518,8 +518,9 @@ int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len)
#ifdef CONFIG_OF_CONTROL
void board_i2c_init(const void *blob)
{
int i;
int node_list[CONFIG_MAX_I2C_NUM];
int count, i;
int count;
count = fdtdec_find_aliases_for_id(blob, "i2c",
COMPAT_SAMSUNG_S3C2440_I2C, node_list,

View File

@@ -560,7 +560,6 @@ static int fec_init(struct eth_device *dev, bd_t* bd)
}
memset(fec->tbd_base, 0, size);
fec_tbd_init(fec);
flush_dcache_range((unsigned)fec->tbd_base, size);
}
/*
@@ -737,6 +736,28 @@ static int fec_send(struct eth_device *dev, void *packet, int length)
addr = (uint32_t)fec->tbd_base;
flush_dcache_range(addr, addr + size);
/*
* Below we read the DMA descriptor's last four bytes back from the
* DRAM. This is important in order to make sure that all WRITE
* operations on the bus that were triggered by previous cache FLUSH
* have completed.
*
* Otherwise, on MX28, it is possible to observe a corruption of the
* DMA descriptors. Please refer to schematic "Figure 1-2" in MX28RM
* for the bus structure of MX28. The scenario is as follows:
*
* 1) ARM core triggers a series of WRITEs on the AHB_ARB2 bus going
* to DRAM due to flush_dcache_range()
* 2) ARM core writes the FEC registers via AHB_ARB2
* 3) FEC DMA starts reading/writing from/to DRAM via AHB_ARB3
*
* Note that 2) does sometimes finish before 1) due to reordering of
* WRITE accesses on the AHB bus, therefore triggering 3) before the
* DMA descriptor is fully written into DRAM. This results in occasional
* corruption of the DMA descriptor.
*/
readl(addr + size - 4);
/*
* Enable SmartDMA transmit task
*/

View File

@@ -41,18 +41,23 @@ static int power_battery_charge(struct pmic *bat)
for (k = 0; bat->chrg->chrg_bat_present(p_bat->chrg) &&
bat->chrg->chrg_type(p_bat->muic) &&
battery->state_of_chrg < 100; k++) {
udelay(10000000);
puts(".");
udelay(2000000);
if (!(k % 5))
puts(".");
bat->fg->fg_battery_update(p_bat->fg, bat);
if (k == 100) {
if (k == 200) {
debug(" %d [V]", battery->voltage_uV);
puts("\n");
k = 0;
}
if (ctrlc()) {
printf("\nCharging disabled on request.\n");
goto exit;
}
}
exit:
bat->chrg->chrg_state(p_bat->chrg, CHARGER_DISABLE, 0);
return 0;

View File

@@ -205,7 +205,8 @@ int do_pmic(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
if (strcmp(argv[3], "charge") == 0) {
if (p->pbat) {
printf("PRINT BAT charge %s\n", p->name);
printf("BAT: %s charging (ctrl+c to break)\n",
p->name);
if (p->low_power_mode)
p->low_power_mode();
if (p->pbat->battery_charge)

View File

@@ -22,6 +22,7 @@
*/
#include <common.h>
#include <fdtdec.h>
#include <linux/compiler.h>
#include <asm/io.h>
#include <asm/arch/uart.h>
@@ -34,10 +35,21 @@ DECLARE_GLOBAL_DATA_PTR;
#define RX_FIFO_FULL_MASK (1 << 8)
#define TX_FIFO_FULL_MASK (1 << 24)
/* Information about a serial port */
struct fdt_serial {
u32 base_addr; /* address of registers in physical memory */
u8 port_id; /* uart port number */
u8 enabled; /* 1 if enabled, 0 if disabled */
} config __attribute__ ((section(".data")));
static inline struct s5p_uart *s5p_get_base_uart(int dev_index)
{
#ifdef CONFIG_OF_CONTROL
return (struct s5p_uart *)(config.base_addr);
#else
u32 offset = dev_index * sizeof(struct s5p_uart);
return (struct s5p_uart *)(samsung_get_base_uart() + offset);
#endif
}
/*
@@ -73,6 +85,16 @@ void serial_setbrg_dev(const int dev_index)
u32 baudrate = gd->baudrate;
u32 val;
#if defined(CONFIG_SILENT_CONSOLE) && \
defined(CONFIG_OF_CONTROL) && \
!defined(CONFIG_SPL_BUILD)
if (fdtdec_get_config_int(gd->fdt_blob, "silent_console", 0))
gd->flags |= GD_FLG_SILENT;
#endif
if (!config.enabled)
return;
val = uclk / baudrate;
writel(val / 16 - 1, &uart->ubrdiv);
@@ -133,6 +155,9 @@ int serial_getc_dev(const int dev_index)
{
struct s5p_uart *const uart = s5p_get_base_uart(dev_index);
if (!config.enabled)
return 0;
/* wait for character to arrive */
while (!(readl(&uart->ufstat) & (RX_FIFO_COUNT_MASK |
RX_FIFO_FULL_MASK))) {
@@ -150,6 +175,9 @@ void serial_putc_dev(const char c, const int dev_index)
{
struct s5p_uart *const uart = s5p_get_base_uart(dev_index);
if (!config.enabled)
return;
/* wait for room in the tx FIFO */
while ((readl(&uart->ufstat) & TX_FIFO_FULL_MASK)) {
if (serial_err_check(dev_index, 1))
@@ -170,6 +198,9 @@ int serial_tstc_dev(const int dev_index)
{
struct s5p_uart *const uart = s5p_get_base_uart(dev_index);
if (!config.enabled)
return 0;
return (int)(readl(&uart->utrstat) & 0x1);
}
@@ -212,8 +243,54 @@ DECLARE_S5P_SERIAL_FUNCTIONS(3);
struct serial_device s5p_serial3_device =
INIT_S5P_SERIAL_STRUCTURE(3, "s5pser3");
#ifdef CONFIG_OF_CONTROL
int fdtdec_decode_console(int *index, struct fdt_serial *uart)
{
const void *blob = gd->fdt_blob;
int node;
node = fdt_path_offset(blob, "console");
if (node < 0)
return node;
uart->base_addr = fdtdec_get_addr(blob, node, "reg");
if (uart->base_addr == FDT_ADDR_T_NONE)
return -FDT_ERR_NOTFOUND;
uart->port_id = fdtdec_get_int(blob, node, "id", -1);
uart->enabled = fdtdec_get_is_enabled(blob, node);
return 0;
}
#endif
__weak struct serial_device *default_serial_console(void)
{
#ifdef CONFIG_OF_CONTROL
int index = 0;
if ((!config.base_addr) && (fdtdec_decode_console(&index, &config))) {
debug("Cannot decode default console node\n");
return NULL;
}
switch (config.port_id) {
case 0:
return &s5p_serial0_device;
case 1:
return &s5p_serial1_device;
case 2:
return &s5p_serial2_device;
case 3:
return &s5p_serial3_device;
default:
debug("Unknown config.port_id: %d", config.port_id);
break;
}
return NULL;
#else
config.enabled = 1;
#if defined(CONFIG_SERIAL0)
return &s5p_serial0_device;
#elif defined(CONFIG_SERIAL1)
@@ -225,6 +302,7 @@ __weak struct serial_device *default_serial_console(void)
#else
#error "CONFIG_SERIAL? missing."
#endif
#endif
}
void s5p_serial_initialize(void)

View File

@@ -128,8 +128,8 @@ static s32 spi_cfg_mxc(struct mxc_spi_slave *mxcs, unsigned int cs,
unsigned int max_hz, unsigned int mode)
{
u32 clk_src = mxc_get_clock(MXC_CSPI_CLK);
s32 pre_div = 0, post_div = 0, i, reg_ctrl, reg_config;
u32 ss_pol = 0, sclkpol = 0, sclkpha = 0;
s32 reg_ctrl, reg_config;
u32 ss_pol = 0, sclkpol = 0, sclkpha = 0, pre_div = 0, post_div = 0;
struct cspi_regs *regs = (struct cspi_regs *)mxcs->base;
if (max_hz == 0) {
@@ -147,26 +147,20 @@ static s32 spi_cfg_mxc(struct mxc_spi_slave *mxcs, unsigned int cs,
reg_ctrl |= MXC_CSPICTRL_EN;
reg_write(&regs->ctrl, reg_ctrl);
/*
* The following computation is taken directly from Freescale's code.
*/
if (clk_src > max_hz) {
pre_div = DIV_ROUND_UP(clk_src, max_hz);
if (pre_div > 16) {
post_div = pre_div / 16;
pre_div = 15;
}
if (post_div != 0) {
for (i = 0; i < 16; i++) {
if ((1 << i) >= post_div)
break;
}
if (i == 16) {
pre_div = (clk_src - 1) / max_hz;
/* fls(1) = 1, fls(0x80000000) = 32, fls(16) = 5 */
post_div = fls(pre_div);
if (post_div > 4) {
post_div -= 4;
if (post_div >= 16) {
printf("Error: no divider for the freq: %d\n",
max_hz);
return -1;
}
post_div = i;
pre_div >>= post_div;
} else {
post_div = 0;
}
}

View File

@@ -1,6 +1,6 @@
/*
* Copyright (c) 2011 The Chromium OS Authors.
* Copyright (c) 2009-2012 NVIDIA Corporation
* Copyright (c) 2009-2013 NVIDIA Corporation
* Copyright (c) 2013 Lucas Stach
*
* See file CREDITS for list of people who contributed to this
@@ -28,6 +28,8 @@
#include <asm-generic/gpio.h>
#include <asm/arch/clock.h>
#include <asm/arch-tegra/usb.h>
#include <asm/arch-tegra/clk_rst.h>
#include <asm/arch/usb.h>
#include <usb.h>
#include <usb/ulpi.h>
#include <libfdt.h>
@@ -35,6 +37,11 @@
#include "ehci.h"
#define USB1_ADDR_MASK 0xFFFF0000
#define HOSTPC1_DEVLC 0x84
#define HOSTPC1_PSPD(x) (((x) >> 25) & 0x3)
#ifdef CONFIG_USB_ULPI
#ifndef CONFIG_USB_ULPI_VIEWPORT
#error "To use CONFIG_USB_ULPI on Tegra Boards you have to also \
@@ -87,6 +94,8 @@ struct fdt_usb {
static struct fdt_usb port[USB_PORTS_MAX]; /* List of valid USB ports */
static unsigned port_count; /* Number of available ports */
/* Port that needs to clear CSC after Port Reset */
static u32 port_addr_clear_csc;
/*
* This table has USB timing parameters for each Oscillator frequency we
@@ -129,7 +138,7 @@ static unsigned port_count; /* Number of available ports */
*
* 4. The 20 microsecond delay after bias cell operation.
*/
static const unsigned usb_pll[CLOCK_OSC_FREQ_COUNT][PARAM_COUNT] = {
static const unsigned T20_usb_pll[CLOCK_OSC_FREQ_COUNT][PARAM_COUNT] = {
/* DivN, DivM, DivP, CPCON, LFCON, Delays Debounce, Bias */
{ 0x3C0, 0x0D, 0x00, 0xC, 0, 0x02, 0x33, 0x05, 0x7F, 0x7EF4, 5 },
{ 0x0C8, 0x04, 0x00, 0x3, 0, 0x03, 0x4B, 0x06, 0xBB, 0xBB80, 7 },
@@ -137,6 +146,22 @@ static const unsigned usb_pll[CLOCK_OSC_FREQ_COUNT][PARAM_COUNT] = {
{ 0x3C0, 0x1A, 0x00, 0xC, 0, 0x04, 0x66, 0x09, 0xFE, 0xFDE8, 9 }
};
static const unsigned T30_usb_pll[CLOCK_OSC_FREQ_COUNT][PARAM_COUNT] = {
/* DivN, DivM, DivP, CPCON, LFCON, Delays Debounce, Bias */
{ 0x3C0, 0x0D, 0x00, 0xC, 1, 0x02, 0x33, 0x09, 0x7F, 0x7EF4, 5 },
{ 0x0C8, 0x04, 0x00, 0x3, 0, 0x03, 0x4B, 0x0C, 0xBB, 0xBB80, 7 },
{ 0x3C0, 0x0C, 0x00, 0xC, 1, 0x02, 0x2F, 0x08, 0x76, 0x7530, 5 },
{ 0x3C0, 0x1A, 0x00, 0xC, 1, 0x04, 0x66, 0x09, 0xFE, 0xFDE8, 9 }
};
static const unsigned T114_usb_pll[CLOCK_OSC_FREQ_COUNT][PARAM_COUNT] = {
/* DivN, DivM, DivP, CPCON, LFCON, Delays Debounce, Bias */
{ 0x3C0, 0x0D, 0x00, 0xC, 2, 0x02, 0x33, 0x09, 0x7F, 0x7EF4, 6 },
{ 0x0C8, 0x04, 0x00, 0x3, 2, 0x03, 0x4B, 0x0C, 0xBB, 0xBB80, 8 },
{ 0x3C0, 0x0C, 0x00, 0xC, 2, 0x02, 0x2F, 0x08, 0x76, 0x7530, 5 },
{ 0x3C0, 0x1A, 0x00, 0xC, 2, 0x04, 0x66, 0x09, 0xFE, 0xFDE8, 0xB }
};
/* UTMIP Idle Wait Delay */
static const u8 utmip_idle_wait_delay = 17;
@@ -146,6 +171,33 @@ static const u8 utmip_elastic_limit = 16;
/* UTMIP High Speed Sync Start Delay */
static const u8 utmip_hs_sync_start_delay = 9;
struct fdt_usb_controller {
int compat;
/* flag to determine whether controller supports hostpc register */
u32 has_hostpc:1;
const unsigned *pll_parameter;
};
static struct fdt_usb_controller fdt_usb_controllers[] = {
{
.compat = COMPAT_NVIDIA_TEGRA20_USB,
.has_hostpc = 0,
.pll_parameter = (const unsigned *)T20_usb_pll,
},
{
.compat = COMPAT_NVIDIA_TEGRA30_USB,
.has_hostpc = 1,
.pll_parameter = (const unsigned *)T30_usb_pll,
},
{
.compat = COMPAT_NVIDIA_TEGRA114_USB,
.has_hostpc = 1,
.pll_parameter = (const unsigned *)T114_usb_pll,
},
};
static struct fdt_usb_controller *controller;
/*
* A known hardware issue where Connect Status Change bit of PORTSC register
* of USB1 controller will be set after Port Reset.
@@ -156,13 +208,52 @@ static const u8 utmip_hs_sync_start_delay = 9;
void ehci_powerup_fixup(uint32_t *status_reg, uint32_t *reg)
{
mdelay(50);
if (((u32) status_reg & TEGRA_USB_ADDR_MASK) != TEGRA_USB1_BASE)
/* This is to avoid PORT_ENABLE bit to be cleared in "ehci-hcd.c". */
if (controller->has_hostpc)
*reg |= EHCI_PS_PE;
if (((u32)status_reg & TEGRA_USB_ADDR_MASK) != port_addr_clear_csc)
return;
/* For EHCI_PS_CSC to be cleared in ehci_hcd.c */
if (ehci_readl(status_reg) & EHCI_PS_CSC)
*reg |= EHCI_PS_CSC;
}
/*
* This ehci_set_usbmode overrides the weak function ehci_set_usbmode
* in "ehci-hcd.c".
*/
void ehci_set_usbmode(int index)
{
struct fdt_usb *config;
struct usb_ctlr *usbctlr;
uint32_t tmp;
config = &port[index];
usbctlr = config->reg;
tmp = ehci_readl(&usbctlr->usb_mode);
tmp |= USBMODE_CM_HC;
ehci_writel(&usbctlr->usb_mode, tmp);
}
/*
* This ehci_get_port_speed overrides the weak function ehci_get_port_speed
* in "ehci-hcd.c".
*/
int ehci_get_port_speed(struct ehci_hcor *hcor, uint32_t reg)
{
uint32_t tmp;
uint32_t *reg_ptr;
if (controller->has_hostpc) {
reg_ptr = (uint32_t *)((u8 *)&hcor->or_usbcmd + HOSTPC1_DEVLC);
tmp = ehci_readl(reg_ptr);
return HOSTPC1_PSPD(tmp);
} else
return PORTSC_PSPD(reg);
}
/* Put the port into host mode */
static void set_host_mode(struct fdt_usb *config)
{
@@ -209,6 +300,16 @@ void usbf_reset_controller(struct fdt_usb *config, struct usb_ctlr *usbctlr)
setbits_le32(&usbctlr->susp_ctrl, UTMIP_PHY_ENB);
}
static const unsigned *get_pll_timing(void)
{
const unsigned *timing;
timing = controller->pll_parameter +
clock_get_osc_freq() * PARAM_COUNT;
return timing;
}
/* set up the UTMI USB controller with the parameters provided */
static int init_utmi_usb_controller(struct fdt_usb *config)
{
@@ -216,6 +317,8 @@ static int init_utmi_usb_controller(struct fdt_usb *config)
int loop_count;
const unsigned *timing;
struct usb_ctlr *usbctlr = config->reg;
struct clk_rst_ctlr *clkrst;
struct usb_ctlr *usb1ctlr;
clock_enable(config->periph_id);
@@ -232,35 +335,97 @@ static int init_utmi_usb_controller(struct fdt_usb *config)
* To Use the A Session Valid for cable detection logic, VBUS_WAKEUP
* mux must be switched to actually use a_sess_vld threshold.
*/
if (fdt_gpio_isvalid(&config->vbus_gpio)) {
if (config->dr_mode == DR_MODE_OTG &&
fdt_gpio_isvalid(&config->vbus_gpio))
clrsetbits_le32(&usbctlr->usb1_legacy_ctrl,
VBUS_SENSE_CTL_MASK,
VBUS_SENSE_CTL_A_SESS_VLD << VBUS_SENSE_CTL_SHIFT);
}
/*
* PLL Delay CONFIGURATION settings. The following parameters control
* the bring up of the plls.
*/
timing = usb_pll[clock_get_osc_freq()];
timing = get_pll_timing();
val = readl(&usbctlr->utmip_misc_cfg1);
clrsetbits_le32(&val, UTMIP_PLLU_STABLE_COUNT_MASK,
timing[PARAM_STABLE_COUNT] << UTMIP_PLLU_STABLE_COUNT_SHIFT);
clrsetbits_le32(&val, UTMIP_PLL_ACTIVE_DLY_COUNT_MASK,
timing[PARAM_ACTIVE_DELAY_COUNT] <<
UTMIP_PLL_ACTIVE_DLY_COUNT_SHIFT);
writel(val, &usbctlr->utmip_misc_cfg1);
if (!controller->has_hostpc) {
val = readl(&usbctlr->utmip_misc_cfg1);
clrsetbits_le32(&val, UTMIP_PLLU_STABLE_COUNT_MASK,
timing[PARAM_STABLE_COUNT] <<
UTMIP_PLLU_STABLE_COUNT_SHIFT);
clrsetbits_le32(&val, UTMIP_PLL_ACTIVE_DLY_COUNT_MASK,
timing[PARAM_ACTIVE_DELAY_COUNT] <<
UTMIP_PLL_ACTIVE_DLY_COUNT_SHIFT);
writel(val, &usbctlr->utmip_misc_cfg1);
/* Set PLL enable delay count and crystal frequency count */
val = readl(&usbctlr->utmip_pll_cfg1);
clrsetbits_le32(&val, UTMIP_PLLU_ENABLE_DLY_COUNT_MASK,
timing[PARAM_ENABLE_DELAY_COUNT] <<
UTMIP_PLLU_ENABLE_DLY_COUNT_SHIFT);
clrsetbits_le32(&val, UTMIP_XTAL_FREQ_COUNT_MASK,
timing[PARAM_XTAL_FREQ_COUNT] <<
UTMIP_XTAL_FREQ_COUNT_SHIFT);
writel(val, &usbctlr->utmip_pll_cfg1);
/* Set PLL enable delay count and crystal frequency count */
val = readl(&usbctlr->utmip_pll_cfg1);
clrsetbits_le32(&val, UTMIP_PLLU_ENABLE_DLY_COUNT_MASK,
timing[PARAM_ENABLE_DELAY_COUNT] <<
UTMIP_PLLU_ENABLE_DLY_COUNT_SHIFT);
clrsetbits_le32(&val, UTMIP_XTAL_FREQ_COUNT_MASK,
timing[PARAM_XTAL_FREQ_COUNT] <<
UTMIP_XTAL_FREQ_COUNT_SHIFT);
writel(val, &usbctlr->utmip_pll_cfg1);
} else {
clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
val = readl(&clkrst->crc_utmip_pll_cfg2);
clrsetbits_le32(&val, UTMIP_PLLU_STABLE_COUNT_MASK,
timing[PARAM_STABLE_COUNT] <<
UTMIP_PLLU_STABLE_COUNT_SHIFT);
clrsetbits_le32(&val, UTMIP_PLL_ACTIVE_DLY_COUNT_MASK,
timing[PARAM_ACTIVE_DELAY_COUNT] <<
UTMIP_PLL_ACTIVE_DLY_COUNT_SHIFT);
writel(val, &clkrst->crc_utmip_pll_cfg2);
/* Set PLL enable delay count and crystal frequency count */
val = readl(&clkrst->crc_utmip_pll_cfg1);
clrsetbits_le32(&val, UTMIP_PLLU_ENABLE_DLY_COUNT_MASK,
timing[PARAM_ENABLE_DELAY_COUNT] <<
UTMIP_PLLU_ENABLE_DLY_COUNT_SHIFT);
clrsetbits_le32(&val, UTMIP_XTAL_FREQ_COUNT_MASK,
timing[PARAM_XTAL_FREQ_COUNT] <<
UTMIP_XTAL_FREQ_COUNT_SHIFT);
writel(val, &clkrst->crc_utmip_pll_cfg1);
/* Disable Power Down state for PLL */
clrbits_le32(&clkrst->crc_utmip_pll_cfg1,
PLLU_POWERDOWN | PLL_ENABLE_POWERDOWN |
PLL_ACTIVE_POWERDOWN);
/* Recommended PHY settings for EYE diagram */
val = readl(&usbctlr->utmip_xcvr_cfg0);
clrsetbits_le32(&val, UTMIP_XCVR_SETUP_MASK,
0x4 << UTMIP_XCVR_SETUP_SHIFT);
clrsetbits_le32(&val, UTMIP_XCVR_SETUP_MSB_MASK,
0x3 << UTMIP_XCVR_SETUP_MSB_SHIFT);
clrsetbits_le32(&val, UTMIP_XCVR_HSSLEW_MSB_MASK,
0x8 << UTMIP_XCVR_HSSLEW_MSB_SHIFT);
writel(val, &usbctlr->utmip_xcvr_cfg0);
clrsetbits_le32(&usbctlr->utmip_xcvr_cfg1,
UTMIP_XCVR_TERM_RANGE_ADJ_MASK,
0x7 << UTMIP_XCVR_TERM_RANGE_ADJ_SHIFT);
/* Some registers can be controlled from USB1 only. */
if (config->periph_id != PERIPH_ID_USBD) {
clock_enable(PERIPH_ID_USBD);
/* Disable Reset if in Reset state */
reset_set_enable(PERIPH_ID_USBD, 0);
}
usb1ctlr = (struct usb_ctlr *)
((u32)config->reg & USB1_ADDR_MASK);
val = readl(&usb1ctlr->utmip_bias_cfg0);
setbits_le32(&val, UTMIP_HSDISCON_LEVEL_MSB);
clrsetbits_le32(&val, UTMIP_HSDISCON_LEVEL_MASK,
0x1 << UTMIP_HSDISCON_LEVEL_SHIFT);
clrsetbits_le32(&val, UTMIP_HSSQUELCH_LEVEL_MASK,
0x2 << UTMIP_HSSQUELCH_LEVEL_SHIFT);
writel(val, &usb1ctlr->utmip_bias_cfg0);
/* Miscellaneous setting mentioned in Programming Guide */
clrbits_le32(&usbctlr->utmip_misc_cfg0,
UTMIP_SUSPEND_EXIT_ON_EDGE);
}
/* Setting the tracking length time */
clrsetbits_le32(&usbctlr->utmip_bias_cfg1,
@@ -308,6 +473,14 @@ static int init_utmi_usb_controller(struct fdt_usb *config)
/* Resuscitate crystal clock by setting UTMIP_PHY_XTAL_CLOCKEN */
setbits_le32(&usbctlr->utmip_misc_cfg1, UTMIP_PHY_XTAL_CLOCKEN);
if (controller->has_hostpc) {
if (config->periph_id == PERIPH_ID_USBD)
clrbits_le32(&clkrst->crc_utmip_pll_cfg2,
UTMIP_FORCE_PD_SAMP_A_POWERDOWN);
if (config->periph_id == PERIPH_ID_USB3)
clrbits_le32(&clkrst->crc_utmip_pll_cfg2,
UTMIP_FORCE_PD_SAMP_C_POWERDOWN);
}
/* Finished the per-controller init. */
/* De-assert UTMIP_RESET to bring out of reset. */
@@ -336,6 +509,18 @@ static int init_utmi_usb_controller(struct fdt_usb *config)
clrbits_le32(&usbctlr->utmip_xcvr_cfg1, UTMIP_FORCE_PDDISC_POWERDOWN |
UTMIP_FORCE_PDCHRP_POWERDOWN | UTMIP_FORCE_PDDR_POWERDOWN);
if (controller->has_hostpc) {
/*
* BIAS Pad Power Down is common among all 3 USB
* controllers and can be controlled from USB1 only.
*/
usb1ctlr = (struct usb_ctlr *)
((u32)config->reg & USB1_ADDR_MASK);
clrbits_le32(&usb1ctlr->utmip_bias_cfg0, UTMIP_BIASPD);
udelay(25);
clrbits_le32(&usb1ctlr->utmip_bias_cfg1,
UTMIP_FORCE_PDTRK_POWERDOWN);
}
return 0;
}
@@ -438,7 +623,7 @@ static void config_clock(const u32 timing[])
timing[PARAM_CPCON], timing[PARAM_LFCON]);
}
int fdt_decode_usb(const void *blob, int node, struct fdt_usb *config)
static int fdt_decode_usb(const void *blob, int node, struct fdt_usb *config)
{
const char *phy, *mode;
@@ -466,6 +651,8 @@ int fdt_decode_usb(const void *blob, int node, struct fdt_usb *config)
config->enabled = fdtdec_get_is_enabled(blob, node);
config->has_legacy_mode = fdtdec_get_bool(blob, node,
"nvidia,has-legacy-mode");
if (config->has_legacy_mode)
port_addr_clear_csc = (u32) config->reg;
config->periph_id = clock_decode_periph_id(blob, node);
if (config->periph_id == PERIPH_ID_NONE) {
debug("%s: Missing/invalid peripheral ID\n", __func__);
@@ -483,20 +670,22 @@ int fdt_decode_usb(const void *blob, int node, struct fdt_usb *config)
return 0;
}
int board_usb_init(const void *blob)
/*
* process_usb_nodes() - Process a list of USB nodes, adding them to our list
* of USB ports.
* @blob: fdt blob
* @node_list: list of nodes to process (any <=0 are ignored)
* @count: number of nodes to process
*
* Return: 0 - ok, -1 - error
*/
static int process_usb_nodes(const void *blob, int node_list[], int count)
{
struct fdt_usb config;
enum clock_osc_freq freq;
int node_list[USB_PORTS_MAX];
int node, count, i;
int node, i;
int clk_done = 0;
/* Set up the USB clocks correctly based on our oscillator frequency */
freq = clock_get_osc_freq();
config_clock(usb_pll[freq]);
/* count may return <0 on error */
count = fdtdec_find_aliases_for_id(blob, "usb",
COMPAT_NVIDIA_TEGRA20_USB, node_list, USB_PORTS_MAX);
port_count = 0;
for (i = 0; i < count; i++) {
if (port_count == USB_PORTS_MAX) {
printf("tegrausb: Cannot register more than %d ports\n",
@@ -513,6 +702,10 @@ int board_usb_init(const void *blob)
fdt_get_name(blob, node, NULL));
return -1;
}
if (!clk_done) {
config_clock(get_pll_timing());
clk_done = 1;
}
config.initialized = 0;
/* add new USB port to the list of available ports */
@@ -522,6 +715,31 @@ int board_usb_init(const void *blob)
return 0;
}
int board_usb_init(const void *blob)
{
int node_list[USB_PORTS_MAX];
int count, err = 0;
int i;
for (i = 0; i < ARRAY_SIZE(fdt_usb_controllers); i++) {
controller = &fdt_usb_controllers[i];
count = fdtdec_find_aliases_for_id(blob, "usb",
controller->compat, node_list, USB_PORTS_MAX);
if (count) {
err = process_usb_nodes(blob, node_list, count);
if (err)
printf("%s: Error processing USB node!\n",
__func__);
return err;
}
}
if (i == ARRAY_SIZE(fdt_usb_controllers))
controller = NULL;
return err;
}
/**
* Start up the given port number (ports are numbered from 0 on each board).
* This returns values for the appropriate hccr and hcor addresses to use for
@@ -564,6 +782,20 @@ success:
usbctlr = config->reg;
*hccr = (struct ehci_hccr *)&usbctlr->cap_length;
*hcor = (struct ehci_hcor *)&usbctlr->usb_cmd;
if (controller->has_hostpc) {
/* Set to Host mode after Controller Reset was done */
clrsetbits_le32(&usbctlr->usb_mode, USBMODE_CM_HC,
USBMODE_CM_HC);
/* Select UTMI parallel interface after setting host mode */
if (config->utmi) {
clrsetbits_le32((char *)&usbctlr->usb_cmd +
HOSTPC1_DEVLC, PTS_MASK,
PTS_UTMI << PTS_SHIFT);
clrbits_le32((char *)&usbctlr->usb_cmd +
HOSTPC1_DEVLC, STS);
}
}
return 0;
}

View File

@@ -22,18 +22,19 @@
#include <asm/io.h>
#include <usb/ulpi.h>
#define OMAP_ULPI_WR_OPSEL (3 << 21)
#define OMAP_ULPI_ACCESS (1 << 31)
#define OMAP_ULPI_WR_OPSEL (2 << 22)
#define OMAP_ULPI_RD_OPSEL (3 << 22)
#define OMAP_ULPI_START (1 << 31)
/*
* Wait for the ULPI Access to complete
* Wait for having ulpi in done state
*/
static int ulpi_wait(struct ulpi_viewport *ulpi_vp, u32 mask)
{
int timeout = CONFIG_USB_ULPI_TIMEOUT;
while (--timeout) {
if ((readl(ulpi_vp->viewport_addr) & mask))
if (!(readl(ulpi_vp->viewport_addr) & mask))
return 0;
udelay(1);
@@ -42,27 +43,6 @@ static int ulpi_wait(struct ulpi_viewport *ulpi_vp, u32 mask)
return ULPI_ERROR;
}
/*
* Wake the ULPI PHY up for communication
*
* returns 0 on success.
*/
static int ulpi_wakeup(struct ulpi_viewport *ulpi_vp)
{
int err;
if (readl(ulpi_vp->viewport_addr) & OMAP_ULPI_ACCESS)
return 0; /* already awake */
writel(OMAP_ULPI_ACCESS, ulpi_vp->viewport_addr);
err = ulpi_wait(ulpi_vp, OMAP_ULPI_ACCESS);
if (err)
debug("ULPI wakeup timed out\n");
return err;
}
/*
* Issue a ULPI read/write request
*/
@@ -70,13 +50,9 @@ static int ulpi_request(struct ulpi_viewport *ulpi_vp, u32 value)
{
int err;
err = ulpi_wakeup(ulpi_vp);
if (err)
return err;
writel(value, ulpi_vp->viewport_addr);
err = ulpi_wait(ulpi_vp, OMAP_ULPI_ACCESS);
err = ulpi_wait(ulpi_vp, OMAP_ULPI_START);
if (err)
debug("ULPI request timed out\n");
@@ -85,7 +61,7 @@ static int ulpi_request(struct ulpi_viewport *ulpi_vp, u32 value)
int ulpi_write(struct ulpi_viewport *ulpi_vp, u8 *reg, u32 value)
{
u32 val = ((ulpi_vp->port_num & 0xf) << 24) |
u32 val = OMAP_ULPI_START | (((ulpi_vp->port_num + 1) & 0xf) << 24) |
OMAP_ULPI_WR_OPSEL | ((u32)reg << 16) | (value & 0xff);
return ulpi_request(ulpi_vp, val);
@@ -94,8 +70,8 @@ int ulpi_write(struct ulpi_viewport *ulpi_vp, u8 *reg, u32 value)
u32 ulpi_read(struct ulpi_viewport *ulpi_vp, u8 *reg)
{
int err;
u32 val = ((ulpi_vp->port_num & 0xf) << 24) |
OMAP_ULPI_WR_OPSEL | ((u32)reg << 16);
u32 val = OMAP_ULPI_START | (((ulpi_vp->port_num + 1) & 0xf) << 24) |
OMAP_ULPI_RD_OPSEL | ((u32)reg << 16);
err = ulpi_request(ulpi_vp, val);
if (err)

View File

@@ -280,8 +280,9 @@ void exynos_fimd_lcd_init(vidinfo_t *vid)
node, "reg");
if (fimd_ctrl == NULL)
debug("Can't get the FIMD base address\n");
#endif
#else
fimd_ctrl = (struct exynos_fb *)samsung_get_base_fimd();
#endif
offset = exynos_fimd_get_base_offset();

View File

@@ -137,7 +137,7 @@ void *video_hw_init(void)
/* Suck display configuration from "videomode" variable */
penv = getenv("videomode");
if (!penv) {
printf("MXSFB: 'videomode' variable not set!");
puts("MXSFB: 'videomode' variable not set!\n");
return NULL;
}