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ARM: imx233-olinuxino: generate complete bootstream

- Enable multi-image support to generate bootstream, sd-card and 2nd stage
  images.
- Handle pin-mux in lowlevel.c only.
- Use fine-tuned memory setup from u-boot.

Signed-off-by: Jan Luebbe <jlu@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Jan Luebbe 2014-12-25 18:09:02 +01:00 committed by Sascha Hauer
parent dc0c32fa4c
commit 6aa45b2b22
4 changed files with 180 additions and 63 deletions

View File

@ -39,60 +39,6 @@ static struct mxs_mci_platform_data mci_pdata = {
.f_min = 400000,
};
static const uint32_t pad_setup[] = {
/* debug port */
PWM1_DUART_TX | STRENGTH(S4MA), /* PWM0/DUART_TXD - U_DEBUG PIN 2 */
PWM0_DUART_RX | STRENGTH(S4MA), /* PWM0/DUART_RXD - U_DEBUG PIN 1 */
/* auart */
I2C_SDA_AUART1_RX | STRENGTH(S4MA),
I2C_CLK_AUART1_TX | STRENGTH(S4MA),
/* lcd */
LCD_D17 | STRENGTH(S12MA), /*PIN18/LCD_D17 - GPIO PIN 3 */
LCD_D16 | STRENGTH(S12MA),
LCD_D15 | STRENGTH(S12MA),
LCD_D14 | STRENGTH(S12MA),
LCD_D13 | STRENGTH(S12MA),
LCD_D12 | STRENGTH(S12MA),
LCD_D11 | STRENGTH(S12MA),
LCD_D10 | STRENGTH(S12MA),
LCD_D9 | STRENGTH(S12MA),
LCD_D8 | STRENGTH(S12MA),
LCD_D7 | STRENGTH(S12MA),
LCD_D6 | STRENGTH(S12MA),
LCD_D5 | STRENGTH(S12MA),
LCD_D4 | STRENGTH(S12MA),
LCD_D3 | STRENGTH(S12MA),
LCD_D2 | STRENGTH(S12MA), /* PIN3/LCD_D02 - GPIO PIN 31*/
LCD_D1 | STRENGTH(S12MA), /* PIN2/LCD_D01 - GPIO PIN 33*/
LCD_D0 | STRENGTH(S12MA), /* PIN1/LCD_D00 - GPIO PIN 35*/
LCD_CS, /* PIN26/LCD_CS - GPIO PIN 20*/
LCD_RS, /* PIN25/LCD_RS - GPIO PIN 18*/
LCD_WR, /* PIN24/LCD_WR - GPIO PIN 16*/
LCD_RESET, /* PIN23/LCD_DISP - GPIO PIN 14*/
LCD_ENABE | STRENGTH(S12MA), /* PIN22/LCD_EN/I2C_SCL - GPIO PIN 12*/
LCD_VSYNC | STRENGTH(S12MA), /* PIN21/LCD_HSYNC/I2C_SDA- GPIO PIN 10*/
LCD_HSYNC | STRENGTH(S12MA), /* PIN20/LCD_VSYNC - GPIO PIN 8*/
LCD_DOTCLOCK | STRENGTH(S12MA), /* PIN19/LCD_DOTCLK - GPIO PIN 6*/
/* SD card interface */
SSP1_DATA0 | PULLUP(1),
SSP1_DATA1 | PULLUP(1),
SSP1_DATA2 | PULLUP(1),
SSP1_DATA3 | PULLUP(1),
SSP1_SCK,
SSP1_CMD | PULLUP(1),
SSP1_DETECT | PULLUP(1),
/* led */
SSP1_DETECT_GPIO | GPIO_OUT | GPIO_VALUE(1),
/* gpio - USB hub LAN9512-JZX*/
GPMI_ALE_GPIO | GPIO_OUT | GPIO_VALUE(1),
};
static int imx23_olinuxino_mem_init(void)
{
arm_add_mem_device("ram0", IMX_MEMORY_BASE, 64 * 1024 * 1024);
@ -103,7 +49,6 @@ mem_initcall(imx23_olinuxino_mem_init);
static void olinuxino_init_usb(void)
{
imx23_usb_phy_enable();
add_generic_usb_ehci_device(DEVICE_ID_DYNAMIC, IMX_USB_BASE, NULL);
@ -111,12 +56,6 @@ static void olinuxino_init_usb(void)
static int imx23_olinuxino_devices_init(void)
{
int i;
/* initizalize gpios */
for (i = 0; i < ARRAY_SIZE(pad_setup); i++)
imx_gpio_mode(pad_setup[i]);
armlinux_set_architecture(MACH_TYPE_IMX233_OLINUXINO);
add_generic_device("mxs_mci", DEVICE_ID_DYNAMIC, NULL, IMX_SSP1_BASE,

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@ -3,9 +3,175 @@
#include <asm/barebox-arm-head.h>
#include <asm/barebox-arm.h>
#include <mach/imx23-regs.h>
#include <mach/init.h>
#include <io.h>
#include <debug_ll.h>
#include <mach/iomux.h>
void __naked barebox_arm_reset_vector(void)
ENTRY_FUNCTION(start_barebox_olinuxino_imx23, r0, r1, r2)
{
arm_cpu_lowlevel_init();
barebox_arm_entry(IMX_MEMORY_BASE, SZ_64M, NULL);
}
static const uint32_t pad_setup[] = {
/* debug port */
PWM1_DUART_TX | STRENGTH(S4MA), /* PWM0/DUART_TXD - U_DEBUG PIN 2 */
PWM0_DUART_RX | STRENGTH(S4MA), /* PWM0/DUART_RXD - U_DEBUG PIN 1 */
/* SDRAM */
EMI_D0 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1),
EMI_D1 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1),
EMI_D2 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1),
EMI_D3 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1),
EMI_D4 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1),
EMI_D5 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1),
EMI_D6 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1),
EMI_D7 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1),
EMI_D8 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1),
EMI_D9 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1),
EMI_D10 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1),
EMI_D11 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1),
EMI_D12 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1),
EMI_D13 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1),
EMI_D14 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1),
EMI_D15 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1),
EMI_DQM0 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1),
EMI_DQM1 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1),
EMI_DQS0 | VE_2_5V | STRENGTH(S12MA),
EMI_DQS1 | VE_2_5V | STRENGTH(S12MA),
EMI_CLK | VE_2_5V | STRENGTH(S12MA),
EMI_CLKN | VE_2_5V | STRENGTH(S12MA),
EMI_A0 | VE_2_5V | STRENGTH(S12MA),
EMI_A1 | VE_2_5V | STRENGTH(S12MA),
EMI_A2 | VE_2_5V | STRENGTH(S12MA),
EMI_A3 | VE_2_5V | STRENGTH(S12MA),
EMI_A4 | VE_2_5V | STRENGTH(S12MA),
EMI_A5 | VE_2_5V | STRENGTH(S12MA),
EMI_A6 | VE_2_5V | STRENGTH(S12MA),
EMI_A7 | VE_2_5V | STRENGTH(S12MA),
EMI_A8 | VE_2_5V | STRENGTH(S12MA),
EMI_A9 | VE_2_5V | STRENGTH(S12MA),
EMI_A10 | VE_2_5V | STRENGTH(S12MA),
EMI_A11 | VE_2_5V | STRENGTH(S12MA),
EMI_A12 | VE_2_5V | STRENGTH(S12MA),
EMI_BA0 | VE_2_5V | STRENGTH(S12MA),
EMI_BA1 | VE_2_5V | STRENGTH(S12MA),
EMI_CASN | VE_2_5V | STRENGTH(S12MA),
EMI_CE0N | VE_2_5V | STRENGTH(S12MA),
EMI_CE1N | VE_2_5V | STRENGTH(S12MA),
EMI_CKE | VE_2_5V | STRENGTH(S12MA),
EMI_RASN | VE_2_5V | STRENGTH(S12MA),
EMI_WEN | VE_2_5V | STRENGTH(S12MA),
/* auart */
I2C_SDA_AUART1_RX | STRENGTH(S4MA),
I2C_CLK_AUART1_TX | STRENGTH(S4MA),
/* LCD */
LCD_D17 | STRENGTH(S12MA), /*PIN18/LCD_D17 - GPIO PIN 3 */
LCD_D16 | STRENGTH(S12MA),
LCD_D15 | STRENGTH(S12MA),
LCD_D14 | STRENGTH(S12MA),
LCD_D13 | STRENGTH(S12MA),
LCD_D12 | STRENGTH(S12MA),
LCD_D11 | STRENGTH(S12MA),
LCD_D10 | STRENGTH(S12MA),
LCD_D9 | STRENGTH(S12MA),
LCD_D8 | STRENGTH(S12MA),
LCD_D7 | STRENGTH(S12MA),
LCD_D6 | STRENGTH(S12MA),
LCD_D5 | STRENGTH(S12MA),
LCD_D4 | STRENGTH(S12MA),
LCD_D3 | STRENGTH(S12MA),
LCD_D2 | STRENGTH(S12MA), /* PIN3/LCD_D02 - GPIO PIN 31*/
LCD_D1 | STRENGTH(S12MA), /* PIN2/LCD_D01 - GPIO PIN 33*/
LCD_D0 | STRENGTH(S12MA), /* PIN1/LCD_D00 - GPIO PIN 35*/
LCD_CS, /* PIN26/LCD_CS - GPIO PIN 20*/
LCD_RS, /* PIN25/LCD_RS - GPIO PIN 18*/
LCD_WR, /* PIN24/LCD_WR - GPIO PIN 16*/
LCD_RESET, /* PIN23/LCD_DISP - GPIO PIN 14*/
LCD_ENABE | STRENGTH(S12MA), /* PIN22/LCD_EN/I2C_SCL - GPIO PIN 12*/
LCD_VSYNC | STRENGTH(S12MA), /* PIN21/LCD_HSYNC/I2C_SDA- GPIO PIN 10*/
LCD_HSYNC | STRENGTH(S12MA), /* PIN20/LCD_VSYNC - GPIO PIN 8*/
LCD_DOTCLOCK | STRENGTH(S12MA), /* PIN19/LCD_DOTCLK - GPIO PIN 6*/
/* SD card interface */
SSP1_DATA0 | PULLUP(1),
SSP1_DATA1 | PULLUP(1),
SSP1_DATA2 | PULLUP(1),
SSP1_DATA3 | PULLUP(1),
SSP1_SCK,
SSP1_CMD | PULLUP(1),
SSP1_DETECT | PULLUP(1),
/* LED */
SSP1_DETECT_GPIO | GPIO_OUT | GPIO_VALUE(1),
/* GPIO - USB hub LAN9512-JZX*/
GPMI_ALE_GPIO | GPIO_OUT | GPIO_VALUE(1),
};
/* Fine-tune the DRAM configuration. */
void imx23_olinuxino_adjust_memory_params(uint32_t *dram_vals)
{
/* Enable Auto Precharge. */
dram_vals[3] |= 1 << 8;
/* Enable Fast Writes. */
dram_vals[5] |= 1 << 8;
/* tEMRS = 3*tCK */
dram_vals[10] &= ~(0x3 << 8);
dram_vals[10] |= (0x3 << 8);
/* CASLAT = 3*tCK */
dram_vals[11] &= ~(0x3 << 0);
dram_vals[11] |= (0x3 << 0);
/* tCKE = 1*tCK */
dram_vals[12] &= ~(0x7 << 0);
dram_vals[12] |= (0x1 << 0);
/* CASLAT_LIN_GATE = 3*tCK , CASLAT_LIN = 3*tCK, tWTR=2*tCK */
dram_vals[13] &= ~((0xf << 16) | (0xf << 24) | (0xf << 0));
dram_vals[13] |= (0x6 << 16) | (0x6 << 24) | (0x2 << 0);
/* tDAL = 6*tCK */
dram_vals[15] &= ~(0xf << 16);
dram_vals[15] |= (0x6 << 16);
/* tREF = 1040*tCK */
dram_vals[26] &= ~0xffff;
dram_vals[26] |= 0x0410;
/* tRAS_MAX = 9334*tCK */
dram_vals[32] &= ~0xffff;
dram_vals[32] |= 0x2475;
}
static noinline void imx23_olinuxino_init(void)
{
int i;
/* initizalize gpios */
for (i = 0; i < ARRAY_SIZE(pad_setup); i++)
imx_gpio_mode(pad_setup[i]);
pr_debug("initializing power...\n");
mx23_power_init();
pr_debug("initializing SDRAM...\n");
imx23_olinuxino_adjust_memory_params(mx23_dram_vals);
mx23_mem_init();
pr_debug("DONE\n");
}
ENTRY_FUNCTION(prep_start_barebox_olinuxino_imx23, r0, r1, r2)
{
void (*back)(unsigned long) = (void *)get_lr();
relocate_to_current_adr();
setup_c();
imx23_olinuxino_init();
back(0);
}

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@ -45,6 +45,8 @@ config MACH_CHUMBY
config MACH_IMX233_OLINUXINO
bool "Olimex.ltd imx223-olinuxino"
select HAVE_DEFAULT_ENVIRONMENT_NEW
select HAVE_PBL_MULTI_IMAGES
help
Say Y here if you are using the imx233-olinuxino

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@ -31,3 +31,13 @@ FILE_barebox-karo-tx28-sd.img = start_barebox_karo_tx28.mxsbs.mxssd
image-$(CONFIG_MACH_TX28) += barebox-karo-tx28-sd.img
FILE_barebox-karo-tx28-2nd.img = start_barebox_karo_tx28.pblx
image-$(CONFIG_MACH_TX28) += barebox-karo-tx28-2nd.img
pblx-$(CONFIG_MACH_IMX233_OLINUXINO) += start_barebox_olinuxino_imx23 prep_start_barebox_olinuxino_imx23
PREP_start_barebox_olinuxino_imx23.pblx.mxsbs = start_barebox_olinuxino_imx23_prep;
CFG_start_barebox_olinuxino_imx23.mxsbs = $(mxs23cfg)
FILE_barebox-olinuxino-imx23-bootstream.img = start_barebox_olinuxino_imx23.mxsbs
image-$(CONFIG_MACH_IMX233_OLINUXINO) += barebox-olinuxino-imx23-bootstream.img
FILE_barebox-olinuxino-imx23-sd.img = start_barebox_olinuxino_imx23.mxsbs.mxssd
image-$(CONFIG_MACH_IMX233_OLINUXINO) += barebox-olinuxino-imx23-sd.img
FILE_barebox-olinuxino-imx23-2nd.img = start_barebox_olinuxino_imx23.pblx
image-$(CONFIG_MACH_IMX233_OLINUXINO) += barebox-olinuxino-imx23-2nd.img