Mirrors/u-boot
2
0
Fork 0
mirror of https://github.com/AsahiLinux/u-boot synced 2024-11-29 08:01:08 +00:00
Code Issues Projects Releases Packages Wiki Activity

EfikaSB: Add preliminary EfikaSB support

Browse source 
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Cc: Stefano Babic <sbabic@denx.de>
This commit is contained in:
Marek Vasut 2011-09-25 09:55:43 +00:00 committed by Albert ARIBAUD
parent 0ef4fc533a
commit af708cbaae
2 changed files with 101 additions and 23 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

90
board/efikamx/efikamx.c
View file

@ -62,10 +62,13 @@ void efikamx_toggle_led(uint32_t mask);
#define EFIKAMX_BOARD_REV_13 0x3
#define EFIKAMX_BOARD_REV_14 0x4
#define EFIKASB_BOARD_REV_13 0x1
#define EFIKASB_BOARD_REV_20 0x2
/*
* Board identification
*/
u32 get_efika_rev(void)
u32 get_efikamx_rev(void)
{
u32 rev = 0;
/*
@ -97,6 +100,31 @@ u32 get_efika_rev(void)
return (~rev & 0x7) + 1;
}
inline u32 get_efikasb_rev(void)
{
u32 rev = 0;
mxc_request_iomux(MX51_PIN_EIM_CS3, IOMUX_CONFIG_GPIO);
mxc_iomux_set_pad(MX51_PIN_EIM_CS3, PAD_CTL_100K_PU);
gpio_direction_input(IOMUX_TO_GPIO(MX51_PIN_EIM_CS3));
rev |= (!!gpio_get_value(IOMUX_TO_GPIO(MX51_PIN_EIM_CS3))) << 0;
mxc_request_iomux(MX51_PIN_EIM_CS4, IOMUX_CONFIG_GPIO);
mxc_iomux_set_pad(MX51_PIN_EIM_CS4, PAD_CTL_100K_PU);
gpio_direction_input(IOMUX_TO_GPIO(MX51_PIN_EIM_CS4));
rev |= (!!gpio_get_value(IOMUX_TO_GPIO(MX51_PIN_EIM_CS4))) << 1;
return rev;
}
inline uint32_t get_efika_rev(void)
{
if (machine_is_efikamx())
return get_efikamx_rev();
else
return get_efikasb_rev();
}
u32 get_board_rev(void)
{
return get_cpu_rev() | (get_efika_rev() << 8);
@ -268,25 +296,36 @@ struct fsl_esdhc_cfg esdhc_cfg[2] = {
{MMC_SDHC2_BASE_ADDR, 1},
};
static inline uint32_t efika_mmc_cd(void)
{
if (machine_is_efikamx())
return MX51_PIN_GPIO1_0;
else
return MX51_PIN_EIM_CS2;
}
int board_mmc_getcd(u8 *absent, struct mmc *mmc)
{
struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
uint32_t cd = efika_mmc_cd();
if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
*absent = gpio_get_value(IOMUX_TO_GPIO(MX51_PIN_GPIO1_0));
*absent = gpio_get_value(IOMUX_TO_GPIO(cd));
else
*absent = gpio_get_value(IOMUX_TO_GPIO(MX51_PIN_GPIO1_8));
return 0;
}
int board_mmc_init(bd_t *bis)
{
int ret;
uint32_t cd = efika_mmc_cd();
/* SDHC1 is used on all revisions, setup control pins first */
mxc_request_iomux(MX51_PIN_GPIO1_0,
mxc_request_iomux(cd,
IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
mxc_iomux_set_pad(MX51_PIN_GPIO1_0,
mxc_iomux_set_pad(cd,
PAD_CTL_DRV_HIGH | PAD_CTL_HYS_ENABLE |
PAD_CTL_PUE_KEEPER | PAD_CTL_100K_PU |
PAD_CTL_ODE_OPENDRAIN_NONE |
@ -298,11 +337,12 @@ int board_mmc_init(bd_t *bis)
PAD_CTL_100K_PU | PAD_CTL_ODE_OPENDRAIN_NONE |
PAD_CTL_SRE_FAST);
gpio_direction_input(IOMUX_TO_GPIO(MX51_PIN_GPIO1_0));
gpio_direction_input(IOMUX_TO_GPIO(cd));
gpio_direction_input(IOMUX_TO_GPIO(MX51_PIN_GPIO1_1));
/* Internal SDHC1 IOMUX + SDHC2 IOMUX on old boards */
if (get_efika_rev() < EFIKAMX_BOARD_REV_12) {
if (machine_is_efikasb() || (machine_is_efikamx() &&
(get_efika_rev() < EFIKAMX_BOARD_REV_12))) {
/* SDHC1 IOMUX */
mxc_request_iomux(MX51_PIN_SD1_CMD,
IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
@ -414,6 +454,7 @@ int board_mmc_init(bd_t *bis)
ret = fsl_esdhc_initialize(bis, &esdhc_cfg[0]);
}
return ret;
}
#endif
@ -493,6 +534,7 @@ static inline void setup_iomux_ata(void) { }
*/
void setup_iomux_led(void)
{
if (machine_is_efikamx()) {
/* Blue LED */
mxc_request_iomux(MX51_PIN_CSI1_D9, IOMUX_CONFIG_ALT3);
gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_CSI1_D9), 0);
@ -504,16 +546,32 @@ void setup_iomux_led(void)
/* Red LED */
mxc_request_iomux(MX51_PIN_CSI1_HSYNC, IOMUX_CONFIG_ALT3);
gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_CSI1_HSYNC), 0);
} else {
/* CAPS-LOCK LED */
mxc_request_iomux(MX51_PIN_EIM_CS0, IOMUX_CONFIG_GPIO);
gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_EIM_CS0), 0);
/* ALARM-LED LED */
mxc_request_iomux(MX51_PIN_GPIO1_3, IOMUX_CONFIG_GPIO);
gpio_direction_output(IOMUX_TO_GPIO(MX51_PIN_GPIO1_3), 0);
}
}
void efikamx_toggle_led(uint32_t mask)
{
if (machine_is_efikamx()) {
gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_CSI1_D9),
mask & EFIKAMX_LED_BLUE);
gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_CSI1_VSYNC),
mask & EFIKAMX_LED_GREEN);
gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_CSI1_HSYNC),
mask & EFIKAMX_LED_RED);
} else {
gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_EIM_CS0),
mask & EFIKAMX_LED_BLUE);
gpio_set_value(IOMUX_TO_GPIO(MX51_PIN_GPIO1_3),
!(mask & EFIKAMX_LED_GREEN));
}
}
/*
@ -607,7 +665,6 @@ int board_early_init_f(void)
int board_init(void)
{
gd->bd->bi_arch_number = MACH_TYPE_MX51_EFIKAMX;
gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
return 0;
@ -629,7 +686,24 @@ int board_late_init(void)
int checkboard(void)
{
puts("Board: Efika MX\n");
u32 rev = get_efika_rev();
if (machine_is_efikamx()) {
printf("Board: Efika MX, rev1.%i\n", rev & 0xf);
return 0;
} else {
switch (rev) {
case EFIKASB_BOARD_REV_13:
printf("Board: Efika SB rev1.3\n");
break;
case EFIKASB_BOARD_REV_20:
printf("Board: Efika SB rev2.0\n");
break;
default:
printf("Board: Efika SB, rev Unknown\n");
break;
}
}
return 0;
}

4
include/configs/efikamx.h
View file

@ -31,6 +31,10 @@
*/
/* An i.MX51 CPU */
#define CONFIG_MX51
#define machine_is_efikamx() (CONFIG_MACH_TYPE == MACH_TYPE_MX51_EFIKAMX)
#define machine_is_efikasb() (CONFIG_MACH_TYPE == MACH_TYPE_MX51_EFIKASB)
#include <asm/arch/imx-regs.h>
#define CONFIG_SYS_MX5_HCLK 24000000