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udoo: neo: Fix the board model printing

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Currently, the board model is not printed correctly:

Board: UDOO Neo UNDEFINED

Read the model type in SPL and store it the internal OCRAM, so that
U-Boot proper can retrieve it correctly.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
This commit is contained in:
Fabio Estevam 2022-01-03 12:15:11 -03:00 committed by Tom Rini
parent 87c34fe216
commit b7404a9d38
1 changed files with 50 additions and 41 deletions
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91
board/udoo/neo/neo.c
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@ -75,6 +75,8 @@ enum {
#define BOARD_DETECT_PAD_CFG (MUX_PAD_CTRL(BOARD_DETECT_PAD_CTRL) | \
MUX_MODE_SION)
#define OCRAM_START 0x8f8000
int dram_init(void)
{
gd->ram_size = imx_ddr_size();
@ -235,13 +237,6 @@ static iomux_v3_cfg_t const phy_control_pads[] = {
MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
};
static iomux_v3_cfg_t const board_recognition_pads[] = {
/*Connected to R184*/
MX6_PAD_NAND_READY_B__GPIO4_IO_13 | BOARD_DETECT_PAD_CFG,
/*Connected to R185*/
MX6_PAD_NAND_ALE__GPIO4_IO_0 | BOARD_DETECT_PAD_CFG,
};
static iomux_v3_cfg_t const wdog_b_pad = {
MX6_PAD_GPIO1_IO13__GPIO1_IO_13 | MUX_PAD_CTRL(WDOG_PAD_CTRL),
};
@ -308,34 +303,6 @@ int board_init(void)
return 0;
}
static int get_board_value(void)
{
int r184, r185;
imx_iomux_v3_setup_multiple_pads(board_recognition_pads,
ARRAY_SIZE(board_recognition_pads));
gpio_request(IMX_GPIO_NR(4, 13), "r184");
gpio_request(IMX_GPIO_NR(4, 0), "r185");
gpio_direction_input(IMX_GPIO_NR(4, 13));
gpio_direction_input(IMX_GPIO_NR(4, 0));
r184 = gpio_get_value(IMX_GPIO_NR(4, 13));
r185 = gpio_get_value(IMX_GPIO_NR(4, 0));
/*
* Machine selection -
* Machine r184, r185
* ---------------------------------
* Basic 0 0
* Basic Ks 0 1
* Full 1 0
* Extended 1 1
*/
return (r184 << 1) + r185;
}
int board_early_init_f(void)
{
setup_iomux_uart();
@ -368,9 +335,9 @@ int board_mmc_init(struct bd_info *bis)
return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
}
static char *board_string(void)
static char *board_string(int type)
{
switch (get_board_value()) {
switch (type) {
case UDOO_NEO_TYPE_BASIC:
return "BASIC";
case UDOO_NEO_TYPE_BASIC_KS:
@ -385,14 +352,18 @@ static char *board_string(void)
int checkboard(void)
{
printf("Board: UDOO Neo %s\n", board_string());
int *board_type = (int *)OCRAM_START;
printf("Board: UDOO Neo %s\n", board_string(*board_type));
return 0;
}
int board_late_init(void)
{
int *board_type = (int *)OCRAM_START;
#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
env_set("board_name", board_string());
env_set("board_name", board_string(*board_type));
#endif
return 0;
@ -403,6 +374,41 @@ int board_late_init(void)
#include <linux/libfdt.h>
#include <asm/arch/mx6-ddr.h>
static const iomux_v3_cfg_t board_recognition_pads[] = {
/*Connected to R184*/
MX6_PAD_NAND_READY_B__GPIO4_IO_13 | BOARD_DETECT_PAD_CFG,
/*Connected to R185*/
MX6_PAD_NAND_ALE__GPIO4_IO_0 | BOARD_DETECT_PAD_CFG,
};
static int get_board_value(void)
{
int r184, r185;
imx_iomux_v3_setup_multiple_pads(board_recognition_pads,
ARRAY_SIZE(board_recognition_pads));
gpio_request(IMX_GPIO_NR(4, 13), "r184");
gpio_request(IMX_GPIO_NR(4, 0), "r185");
gpio_direction_input(IMX_GPIO_NR(4, 13));
gpio_direction_input(IMX_GPIO_NR(4, 0));
r184 = gpio_get_value(IMX_GPIO_NR(4, 13));
r185 = gpio_get_value(IMX_GPIO_NR(4, 0));
/*
* Machine selection -
* Machine r184, r185
* ---------------------------------
* Basic 0 0
* Basic Ks 0 1
* Full 1 0
* Extended 1 1
*/
return (r184 << 1) + r185;
}
static const struct mx6sx_iomux_ddr_regs mx6_ddr_ioregs = {
.dram_dqm0 = 0x00000028,
.dram_dqm1 = 0x00000028,
@ -498,7 +504,7 @@ static void ccgr_init(void)
static void spl_dram_init(void)
{
int board = get_board_value();
int *board_type = (int *)OCRAM_START;
struct mx6_ddr_sysinfo sysinfo = {
.dsize = 1, /* width of data bus: 1 = 32 bits */
@ -515,8 +521,11 @@ static void spl_dram_init(void)
.rst_to_cke = 0x23, /* 33 cycles, 500us (JEDEC default) */
};
*board_type = get_board_value();
mx6sx_dram_iocfg(32, &mx6_ddr_ioregs, &mx6_grp_ioregs);
if (board == UDOO_NEO_TYPE_BASIC || board == UDOO_NEO_TYPE_BASIC_KS)
if (*board_type == UDOO_NEO_TYPE_BASIC ||
*board_type == UDOO_NEO_TYPE_BASIC_KS)
mx6_dram_cfg(&sysinfo, &neo_basic_mmcd_calib,
&neo_basic_mem_ddr);
else