udoo: neo: Fix the board model printing
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>
diff --git a/board/udoo/neo/neo.c b/board/udoo/neo/neo.c
index 62f81ff..a11f3b4 100644
--- a/board/udoo/neo/neo.c
+++ b/board/udoo/neo/neo.c
@@ -75,6 +75,8 @@
#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 @@
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 @@
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 @@
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 @@
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 @@
#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 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 @@
.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