The regular bootsource functions only work in a running barebox,
provide functions for early code. This has already been done for
i.MX6, this patch adds the same functions for the other SoCs.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
arch/arm/mach-imx/boot.c | 90 ++++++++++++++++++++++++--------
arch/arm/mach-imx/include/mach/generic.h | 5 ++
2 files changed, 72 insertions(+), 23 deletions(-)
diff --git a/arch/arm/mach-imx/boot.c b/arch/arm/mach-imx/boot.c
index f6c546d..c72ec61 100644
--- a/arch/arm/mach-imx/boot.c
+++ b/arch/arm/mach-imx/boot.c
@@ -78,7 +78,7 @@ static void imx25_35_boot_save_loc(unsigned int ctrl, unsigned int type)
bootsource_set(src);
}
-void imx25_boot_save_loc(void)
+void imx25_get_boot_source(enum bootsource *src, int *instance)
{
void __iomem *ccm_base = IOMEM(MX25_CCM_BASE_ADDR);
uint32_t val;
@@ -88,7 +88,18 @@ void imx25_boot_save_loc(void)
(val >> MX25_CCM_RCSR_MEM_TYPE_SHIFT) & 0x3);
}
-void imx35_boot_save_loc(void)
+void imx25_boot_save_loc(void)
+{
+ enum bootsource src = BOOTSOURCE_UNKNOWN;
+ int instance = BOOTSOURCE_INSTANCE_UNKNOWN;
+
+ imx25_get_boot_source(&src, &instance);
+
+ bootsource_set(src);
+ bootsource_set_instance(instance);
+}
+
+void imx35_get_boot_source(enum bootsource *src, int *instance)
{
void __iomem *ccm_base = IOMEM(MX35_CCM_BASE_ADDR);
uint32_t val;
@@ -98,6 +109,17 @@ void imx35_boot_save_loc(void)
(val >> MX35_CCM_RCSR_MEM_TYPE_SHIFT) & 0x3);
}
+void imx35_boot_save_loc(void)
+{
+ enum bootsource src = BOOTSOURCE_UNKNOWN;
+ int instance = BOOTSOURCE_INSTANCE_UNKNOWN;
+
+ imx35_get_boot_source(&src, &instance);
+
+ bootsource_set(src);
+ bootsource_set_instance(instance);
+}
+
#define IMX27_SYSCTRL_GPCR 0x18
#define IMX27_GPCR_BOOT_SHIFT 16
#define IMX27_GPCR_BOOT_MASK (0xf << IMX27_GPCR_BOOT_SHIFT)
@@ -109,10 +131,9 @@ void imx35_boot_save_loc(void)
#define IMX27_GPCR_BOOT_32BIT_CS0 6
#define IMX27_GPCR_BOOT_8BIT_NAND_512 7
-void imx27_boot_save_loc(void)
+void imx27_get_boot_source(enum bootsource *src, int *instance)
{
void __iomem *sysctrl_base = IOMEM(MX27_SYSCTRL_BASE_ADDR);
- enum bootsource src;
uint32_t val;
val = readl(sysctrl_base + IMX27_SYSCTRL_GPCR);
@@ -121,20 +142,29 @@ void imx27_boot_save_loc(void)
switch (val) {
case IMX27_GPCR_BOOT_UART_USB:
- src = BOOTSOURCE_SERIAL;
+ *src = BOOTSOURCE_SERIAL;
break;
case IMX27_GPCR_BOOT_8BIT_NAND_2k:
case IMX27_GPCR_BOOT_16BIT_NAND_2k:
case IMX27_GPCR_BOOT_16BIT_NAND_512:
case IMX27_GPCR_BOOT_8BIT_NAND_512:
- src = BOOTSOURCE_NAND;
+ *src = BOOTSOURCE_NAND;
break;
default:
- src = BOOTSOURCE_NOR;
+ *src = BOOTSOURCE_NOR;
break;
}
+}
+
+void imx27_boot_save_loc(void)
+{
+ enum bootsource src = BOOTSOURCE_UNKNOWN;
+ int instance = BOOTSOURCE_INSTANCE_UNKNOWN;
+
+ imx27_get_boot_source(&src, &instance);
bootsource_set(src);
+ bootsource_set_instance(instance);
}
#define IMX51_SRC_SBMR 0x4
@@ -142,10 +172,9 @@ void imx27_boot_save_loc(void)
#define IMX51_SBMR_BT_MEM_CTL_SHIFT 0
#define IMX51_SBMR_BMOD_SHIFT 14
-void imx51_boot_save_loc(void)
+void imx51_get_boot_source(enum bootsource *src, int *instance)
{
void __iomem *src_base = IOMEM(MX51_SRC_BASE_ADDR);
- enum bootsource src = BOOTSOURCE_UNKNOWN;
uint32_t reg;
unsigned int ctrl, type;
@@ -158,63 +187,78 @@ void imx51_boot_save_loc(void)
ctrl = (reg >> IMX51_SBMR_BT_MEM_CTL_SHIFT) & 0x3;
type = (reg >> IMX51_SBMR_BT_MEM_TYPE_SHIFT) & 0x3;
- src = locations[ctrl][type];
+ *src = locations[ctrl][type];
break;
case 1:
/* reserved */
- src = BOOTSOURCE_UNKNOWN;
+ *src = BOOTSOURCE_UNKNOWN;
break;
case 3:
- src = BOOTSOURCE_SERIAL;
+ *src = BOOTSOURCE_SERIAL;
break;
}
+}
+
+void imx51_boot_save_loc(void)
+{
+ enum bootsource src = BOOTSOURCE_UNKNOWN;
+ int instance = BOOTSOURCE_INSTANCE_UNKNOWN;
+
+ imx51_get_boot_source(&src, &instance);
bootsource_set(src);
+ bootsource_set_instance(instance);
}
#define IMX53_SRC_SBMR 0x4
-void imx53_boot_save_loc(void)
+void imx53_get_boot_source(enum bootsource *src, int *instance)
{
void __iomem *src_base = IOMEM(MX53_SRC_BASE_ADDR);
- enum bootsource src = BOOTSOURCE_UNKNOWN;
- int instance;
uint32_t cfg1 = readl(src_base + IMX53_SRC_SBMR);
switch ((cfg1 & 0xff) >> 4) {
case 2:
- src = BOOTSOURCE_HD;
+ *src = BOOTSOURCE_HD;
break;
case 3:
if (cfg1 & (1 << 3))
- src = BOOTSOURCE_SPI;
+ *src = BOOTSOURCE_SPI;
else
- src = BOOTSOURCE_I2C;
+ *src = BOOTSOURCE_I2C;
break;
case 4:
case 5:
case 6:
case 7:
- src = BOOTSOURCE_MMC;
+ *src = BOOTSOURCE_MMC;
break;
default:
break;
}
if (cfg1 & (1 << 7))
- src = BOOTSOURCE_NAND;
+ *src = BOOTSOURCE_NAND;
- switch (src) {
+ switch (*src) {
case BOOTSOURCE_MMC:
case BOOTSOURCE_SPI:
case BOOTSOURCE_I2C:
- instance = (cfg1 >> 20) & 0x3;
+ *instance = (cfg1 >> 20) & 0x3;
break;
default:
- instance = 0;
+ *instance = 0;
break;
}
+}
+
+void imx53_boot_save_loc(void)
+{
+ enum bootsource src = BOOTSOURCE_UNKNOWN;
+ int instance = BOOTSOURCE_INSTANCE_UNKNOWN;
+
+ imx53_get_boot_source(&src, &instance);
bootsource_set(src);
bootsource_set_instance(instance);
diff --git a/arch/arm/mach-imx/include/mach/generic.h b/arch/arm/mach-imx/include/mach/generic.h
index 3b25ecb..50c2bb7 100644
--- a/arch/arm/mach-imx/include/mach/generic.h
+++ b/arch/arm/mach-imx/include/mach/generic.h
@@ -13,6 +13,11 @@ void imx27_boot_save_loc(void);
void imx51_boot_save_loc(void);
void imx53_boot_save_loc(void);
void imx6_boot_save_loc(void);
+
+void imx25_get_boot_source(enum bootsource *src, int *instance);
+void imx35_get_boot_source(enum bootsource *src, int *instance);
+void imx51_get_boot_source(enum bootsource *src, int *instance);
+void imx53_get_boot_source(enum bootsource *src, int *instance);
void imx6_get_boot_source(enum bootsource *src, int *instance);
int imx1_init(void);
--
2.8.1
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