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u-boot/board/BuS/vl_ma2sc/vl_ma2sc.c
Tom Rini c2120fbfbc Merge branch 'master' of git://git.denx.de/u-boot-i2c 
The sandburst-specific i2c drivers have been deleted, conflict was just
over the SPDX conversion.

Conflicts:
	board/sandburst/common/ppc440gx_i2c.c
	board/sandburst/common/ppc440gx_i2c.h

Signed-off-by: Tom Rini <trini@ti.com>
2013-07-24 09:50:24 -04:00

532 lines
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/*
* (C) Copyright 2009-2012
* Jens Scharsig <esw@bus-elekronik.de>
* BuS Elektronik GmbH & Co. KG
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <config.h>
#include <common.h>
#include <asm/sizes.h>
#include <asm/io.h>
#include <asm/arch/hardware.h>
#include <asm/arch/clk.h>
#include <asm/arch/at91_matrix.h>
#include <asm/arch/at91sam9_smc.h>
#include <asm/arch/at91_pmc.h>
#include <asm/arch/at91_pio.h>
#include <asm/arch/at91_rstc.h>
#include <asm/arch/at91sam9263.h>
#include <asm/arch/gpio.h>
#include <asm/arch/at91_common.h>
#include <lcd.h>
#include <i2c.h>
#include <atmel_lcdc.h>
#if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
#include <net.h>
#endif
#include <netdev.h>
DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_CMD_NAND
static void vl_ma2sc_nand_hw_init(void)
{
unsigned long csa;
at91_smc_t *smc = (at91_smc_t *) ATMEL_BASE_SMC0;
at91_matrix_t *matrix = (at91_matrix_t *) ATMEL_BASE_MATRIX;
at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
at91_set_pio_output(AT91_PIO_PORTA, 13, 1); /* CAN_TX -> H */
at91_set_pio_output(AT91_PIO_PORTA, 12, 1); /* CAN_STB -> H */
at91_set_pio_output(AT91_PIO_PORTA, 11, 1); /* CAN_EN -> H */
/* Enable CS3 */
csa = readl(&matrix->csa[0]) | AT91_MATRIX_CSA_EBI_CS3A;
writel(csa, &matrix->csa[0]);
/* Configure SMC CS3 for NAND/SmartMedia */
writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
&smc->cs[3].setup);
writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
&smc->cs[3].pulse);
writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
&smc->cs[3].cycle);
writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
AT91_SMC_MODE_DBW_8 |
AT91_SMC_MODE_TDF_CYCLE(2),
&smc->cs[3].mode);
writel((1 << ATMEL_ID_PIOB) | (1 << ATMEL_ID_PIOCDE),
&pmc->pcer);
/* Configure RDY/BSY */
#ifdef CONFIG_SYS_NAND_READY_PIN
at91_set_pio_input(CONFIG_SYS_NAND_READY_PIN, 1);
#endif
/* Enable NandFlash */
at91_set_pio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
}
#endif
#ifdef CONFIG_MACB
static void vl_ma2sc_macb_hw_init(void)
{
unsigned long erstl;
at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
at91_rstc_t *rstc = (at91_rstc_t *) ATMEL_BASE_RSTC;
/* Enable clock */
writel(1 << ATMEL_ID_EMAC, &pmc->pcer);
erstl = readl(&rstc->mr) & AT91_RSTC_MR_ERSTL_MASK;
/* Need to reset PHY -> 500ms reset */
writel(AT91_RSTC_KEY | AT91_RSTC_MR_ERSTL(0x0D) |
AT91_RSTC_MR_URSTEN, &rstc->mr);
writel(AT91_RSTC_KEY | AT91_RSTC_CR_EXTRST, &rstc->cr);
/* Wait for end hardware reset */
while (!(readl(&rstc->sr) & AT91_RSTC_SR_NRSTL))
;
/* Restore NRST value */
writel(AT91_RSTC_KEY | erstl | AT91_RSTC_MR_URSTEN, &rstc->mr);
at91_macb_hw_init();
}
#endif
#ifdef CONFIG_LCD
vidinfo_t panel_info = {
.vl_col = 320,
.vl_row = 240,
.vl_clk = 6500000,
.vl_sync = ATMEL_LCDC_INVDVAL_INVERTED |
ATMEL_LCDC_INVLINE_INVERTED |
ATMEL_LCDC_INVVD_INVERTED |
ATMEL_LCDC_INVFRAME_INVERTED,
.vl_bpix = (ATMEL_LCDC_PIXELSIZE_8 >> 5),
.vl_tft = 1,
.vl_hsync_len = 5, /* Horiz Sync Pulse Width */
.vl_left_margin = 68, /* horiz back porch */
.vl_right_margin = 20, /* horiz front porch */
.vl_vsync_len = 2, /* vert Sync Pulse Width */
.vl_upper_margin = 18, /* vert back porch */
.vl_lower_margin = 4, /* vert front porch */
.mmio = ATMEL_BASE_LCDC,
};
void lcd_enable(void)
{
}
void lcd_disable(void)
{
}
static void vl_ma2sc_lcd_hw_init(void)
{
at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
at91_set_a_periph(AT91_PIO_PORTC, 0, 0); /* LCDVSYNC */
at91_set_a_periph(AT91_PIO_PORTC, 1, 0); /* LCDHSYNC */
at91_set_a_periph(AT91_PIO_PORTC, 2, 0); /* LCDDOTCK */
at91_set_a_periph(AT91_PIO_PORTC, 3, 0); /* LCDDEN */
at91_set_b_periph(AT91_PIO_PORTB, 9, 0); /* LCDCC */
at91_set_a_periph(AT91_PIO_PORTC, 4, 0); /* LCDD0 */
at91_set_a_periph(AT91_PIO_PORTC, 5, 0); /* LCDD1 */
at91_set_a_periph(AT91_PIO_PORTC, 6, 0); /* LCDD2 */
at91_set_a_periph(AT91_PIO_PORTC, 7, 0); /* LCDD3 */
at91_set_a_periph(AT91_PIO_PORTC, 8, 0); /* LCDD4 */
at91_set_a_periph(AT91_PIO_PORTC, 9, 0); /* LCDD5 */
at91_set_a_periph(AT91_PIO_PORTC, 10, 0); /* LCDD6 */
at91_set_a_periph(AT91_PIO_PORTC, 11, 0); /* LCDD7 */
at91_set_a_periph(AT91_PIO_PORTC, 13, 0); /* LCDD9 */
at91_set_a_periph(AT91_PIO_PORTC, 14, 0); /* LCDD10 */
at91_set_a_periph(AT91_PIO_PORTC, 15, 0); /* LCDD11 */
at91_set_a_periph(AT91_PIO_PORTC, 16, 0); /* LCDD12 */
at91_set_b_periph(AT91_PIO_PORTC, 12, 0); /* LCDD13 */
at91_set_a_periph(AT91_PIO_PORTC, 18, 0); /* LCDD14 */
at91_set_a_periph(AT91_PIO_PORTC, 19, 0); /* LCDD15 */
at91_set_a_periph(AT91_PIO_PORTC, 20, 0); /* LCDD26 */
at91_set_a_periph(AT91_PIO_PORTC, 21, 0); /* LCDD17 */
at91_set_a_periph(AT91_PIO_PORTC, 22, 0); /* LCDD18 */
at91_set_a_periph(AT91_PIO_PORTC, 23, 0); /* LCDD19 */
at91_set_a_periph(AT91_PIO_PORTC, 24, 0); /* LCDD20 */
at91_set_b_periph(AT91_PIO_PORTC, 17, 0); /* LCDD21 */
at91_set_a_periph(AT91_PIO_PORTC, 26, 0); /* LCDD22 */
at91_set_a_periph(AT91_PIO_PORTC, 27, 0); /* LCDD23 */
at91_set_pio_output(AT91_PIO_PORTE, 0, 0); /* LCD QXH */
at91_set_pio_output(AT91_PIO_PORTE, 2, 0); /* LCD SHUT */
at91_set_pio_output(AT91_PIO_PORTE, 3, 1); /* LCD TopBottom */
at91_set_pio_output(AT91_PIO_PORTE, 4, 0); /* LCD REV */
at91_set_pio_output(AT91_PIO_PORTE, 5, 1); /* LCD RightLeft */
at91_set_pio_output(AT91_PIO_PORTE, 6, 0); /* LCD Color Mode CM */
at91_set_pio_output(AT91_PIO_PORTE, 7, 0); /* LCD BGR */
at91_set_pio_output(AT91_PIO_PORTB, 9, 0); /* LCD CC */
writel(1 << ATMEL_ID_LCDC, &pmc->pcer);
gd->fb_base = ATMEL_BASE_SRAM0;
}
#endif /* Config LCD */
#ifdef CONFIG_BOARD_EARLY_INIT_F
int board_early_init_f(void)
{
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
/* Enable clocks for all PIOs */
writel((1 << ATMEL_ID_PIOA) | (1 << ATMEL_ID_PIOB) |
(1 << ATMEL_ID_PIOCDE),
&pmc->pcer);
at91_seriald_hw_init();
return 0;
}
#endif
int board_init(void)
{
at91_smc_t *smc = (at91_smc_t *) ATMEL_BASE_SMC0;
at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIO;
u32 pin;
pin = 0x1F000001;
writel(pin, &pio->pioa.idr);
writel(pin, &pio->pioa.pudr);
writel(pin, &pio->pioa.per);
writel(pin, &pio->pioa.oer);
writel(pin, &pio->pioa.sodr);
writel((1 << 25), &pio->pioa.codr);
pin = 0x1F000100;
writel(pin, &pio->piob.idr);
writel(pin, &pio->piob.pudr);
writel(pin, &pio->piob.per);
writel(pin, &pio->piob.oer);
writel(pin, &pio->piob.codr);
writel((1 << 24), &pio->piob.sodr);
pin = 0x40000000; /* Pullup DRxD enbable */
writel(pin, &pio->pioc.puer);
pin = 0x0000000F; /* HWversion als Input */
writel(pin, &pio->piod.idr);
writel(pin, &pio->piod.puer);
writel(pin, &pio->piod.per);
writel(pin, &pio->piod.odr);
writel(pin, &pio->piod.owdr);
gd->bd->bi_arch_number = MACH_TYPE_VL_MA2SC;
/* adress of boot parameters */
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
writel(CONFIG_SYS_SMC0_MODE0_VAL, &smc->cs[0].setup);
writel(CONFIG_SYS_SMC0_CYCLE0_VAL, &smc->cs[0].cycle);
writel(CONFIG_SYS_SMC0_PULSE0_VAL, &smc->cs[0].pulse);
writel(CONFIG_SYS_SMC0_SETUP0_VAL, &smc->cs[0].setup);
#ifdef CONFIG_CMD_NAND
vl_ma2sc_nand_hw_init();
#endif
#ifdef CONFIG_MACB
vl_ma2sc_macb_hw_init();
#endif
#ifdef CONFIG_USB_OHCI_NEW
at91_uhp_hw_init();
#endif
#ifdef CONFIG_LCD
vl_ma2sc_lcd_hw_init();
#endif
return 0;
}
#ifdef CONFIG_MISC_INIT_R
int misc_init_r(void)
{
uchar buffer[8];
at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIO;
u32 pin;
buffer[0] = 0x04;
buffer[1] = 0x00;
if (i2c_write(0x68, 0x0E, 1, buffer, 2) != 0)
puts("error reseting rtc clock\n\0");
/* read hardware version */
pin = (readl(&pio->piod.pdsr) & 0x0F) + 0x44;
printf("Board: revision %c\n", pin);
buffer[0] = pin;
buffer[1] = 0;
setenv("revision", (char *) buffer);
pin = 0x40000000; /* Pullup DRxD enbable */
writel(pin, &pio->pioc.puer);
return 0;
}
#endif
int dram_init(void)
{
gd->ram_size = get_ram_size((long *) CONFIG_SYS_SDRAM_BASE,
CONFIG_SYS_SDRAM_SIZE);
return 0;
}
#ifdef CONFIG_RESET_PHY_R
void reset_phy(void)
{
#ifdef CONFIG_MACB
/*
* Initialize ethernet HW addr prior to starting Linux,
* needed for nfsroot
*/
eth_init(gd->bd);
#endif
}
#endif
int board_eth_init(bd_t *bis)
{
int rc = 0;
#ifdef CONFIG_MACB
rc = macb_eth_initialize(0, (void *) ATMEL_BASE_EMAC, 0x01);
#endif
return rc;
}
#ifdef CONFIG_SYS_I2C_SOFT
void i2c_init_board(void)
{
u32 pin;
at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIO;
u8 sda = (1<<4);
u8 scl = (1<<5);
writel(1 << ATMEL_ID_PIOB, &pmc->pcer);
pin = sda | scl;
writel(pin, &pio->piob.idr); /* Disable Interupt */
writel(pin, &pio->piob.pudr);
writel(pin, &pio->piob.per);
writel(pin, &pio->piob.oer);
writel(pin, &pio->piob.sodr);
}
#endif
void watchdog_reset(void)
{
at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIO;
u32 pin = 0x1; /* PA0 */
if ((readl(&pio->pioa.odsr) & pin) > 0)
writel(pin, &pio->pioa.codr);
else
writel(pin, &pio->pioa.sodr);
}
void enable_caches(void)
{
#ifndef CONFIG_SYS_DCACHE_OFF
dcache_enable();
#endif
}
/*---------------------------------------------------------------------------*/
int do_ledtest(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
int rcode = 1;
int row;
int col;
u32 pinz;
u32 pins;
at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIO;
at91_set_pio_output(AT91_PIO_PORTB, 8, 0); /* LCD DIM */
pins = 0x1F000000;
writel(pins, &pio->pioa.idr);
writel(pins, &pio->pioa.pudr);
writel(pins, &pio->pioa.per);
writel(pins, &pio->pioa.oer);
writel(pins, &pio->pioa.sodr);
pinz = 0x1F000000;
writel(pinz, &pio->piob.idr);
writel(pinz, &pio->piob.pudr);
writel(pinz, &pio->piob.per);
writel(pinz, &pio->piob.oer);
writel(pinz, &pio->piob.sodr);
for (row = 0; row < 5; row++) {
for (col = 0; col < 5; col++) {
writel((0x01000000 << col), &pio->piob.sodr);
writel((0x01000000 << row), &pio->pioa.codr);
printf("LED Test %d x %d\n", row, col);
udelay(1000000);
writel(pinz, &pio->piob.codr);
writel(pins, &pio->pioa.sodr);
}
}
return rcode;
}
void poweroff(void)
{
watchdog_reset();
at91_set_pio_output(AT91_PIO_PORTA, 13, 1); /* CAN_TX -> H */
udelay(100);
at91_set_pio_output(AT91_PIO_PORTA, 12, 0); /* CAN_STB -> L */
udelay(100);
at91_set_pio_output(AT91_PIO_PORTA, 11, 0); /* CAN_EN -> L */
udelay(100);
while (1)
watchdog_reset();
}
int do_poweroff(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
int rcode = 1;
poweroff();
return rcode;
}
int do_beep(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
int i;
u32 freq;
u32 durate;
int rcode = 1;
freq = 1000;
durate = 2;
switch (argc) {
case 3:
durate = simple_strtoul(argv[2], NULL, 10);
case 2:
freq = simple_strtoul(argv[1], NULL, 10);
case 1:
break;
default:
cmd_usage(cmdtp);
rcode = 1;
break;
}
durate = durate * freq;
freq = 500000 / freq;
for (i = 0; i < durate; i++) {
at91_set_pio_output(AT91_PIO_PORTB, 29, 1); /* Sound On*/
udelay(freq);
at91_set_pio_output(AT91_PIO_PORTB, 29, 0); /* Sound Off*/
udelay(freq);
}
at91_set_pio_output(AT91_PIO_PORTB, 29, 0); /* Sound Off*/
return rcode;
}
int do_keytest(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
int rcode = 1;
int row;
u32 col;
u32 pinz;
u32 pins;
at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIO;
at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
writel((1 << ATMEL_ID_PIOA), &pmc->pcer);
pins = 0x001F0000;
writel(pins, &pio->pioa.idr);
writel(pins, &pio->pioa.pudr);
writel(pins, &pio->pioa.per);
writel(pins, &pio->pioa.odr);
pinz = 0x000F0000;
writel(pinz, &pio->piob.idr);
writel(pinz, &pio->piob.pudr);
writel(pinz, &pio->piob.per);
writel(pinz, &pio->piob.oer);
writel(pinz, &pio->piob.codr);
while (1) {
col = 0;
for (row = 0; row < 4; row++) {
writel((0x00010000 << row), &pio->piob.sodr);
udelay(10000);
col <<= 4;
col |= ((readl(&pio->pioa.pdsr) >> 16) & 0xF) ^ 0xF ;
writel(pinz, &pio->piob.codr);
}
printf("Matix: ");
for (row = 0; row < 16; row++) {
printf("%1.1d", col & 1);
col >>= 1;
}
printf(" SP %d\r ",
1 ^ (1 & (readl(&pio->piob.pdsr) >> 20)));
if ((1 & (readl(&pio->pioa.pdsr) >> 1)) == 0) {
/* SHUTDOWN */
row = 0;
while (row < 1000) {
if ((1 & (readl(&pio->pioa.pdsr) >> 1)) == 0)
row++;
udelay(100);
}
udelay(100000);
row = 0;
while (row < 1000) {
if ((1 & (readl(&pio->pioa.pdsr) >> 1)) > 0) {
row++;
udelay(1000);
}
}
poweroff();
while (1)
;
}
}
return rcode;
}
/*****************************************************************************/
U_BOOT_CMD(
ledtest, 1, 0, do_ledtest,
"test ledmatrix",
"\n"
);
U_BOOT_CMD(
keytest, 1, 0, do_keytest,
"test keymatix and special keys, poweroff on pressing ON key",
"\n"
);
U_BOOT_CMD(
poweroff, 1, 0, do_poweroff,
"power off",
"\n"
);
U_BOOT_CMD(
beep, 3, 0, do_beep,
"[freq [duration]]",
"freq frequence of beep\nduration duration of beep\n"
);
/*****************************************************************************/
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