Rewrite get_cpu_rev, from "static const char *get_cpu_rev(void)" to
"u32 get_cpu_rev(void)". To align with get_cpu_rev of other i.MXes.
Also write get_imx_type to replace get_cpu_type, since we have
macro named get_cpu_type.
Signed-off-by: Peng Fan <peng....@freescale.com>
Cc: Stefano Babic <sba...@denx.de>
---
arch/arm/cpu/arm926ejs/mxs/mxs.c | 52 ++++++++++++++-----------------
arch/arm/include/asm/arch-mxs/sys_proto.h | 1 +
2 files changed, 25 insertions(+), 28 deletions(-)
diff --git a/arch/arm/cpu/arm926ejs/mxs/mxs.c b/arch/arm/cpu/arm926ejs/mxs/mxs.c
index ef130ae..30dbf5e 100644
--- a/arch/arm/cpu/arm926ejs/mxs/mxs.c
+++ b/arch/arm/cpu/arm926ejs/mxs/mxs.c
@@ -132,23 +132,7 @@ int arch_cpu_init(void)
return 0;
}
-#if defined(CONFIG_DISPLAY_CPUINFO)
-static const char *get_cpu_type(void)
-{
- struct mxs_digctl_regs *digctl_regs =
- (struct mxs_digctl_regs *)MXS_DIGCTL_BASE;
-
- switch (readl(&digctl_regs->hw_digctl_chipid) & HW_DIGCTL_CHIPID_MASK) {
- case HW_DIGCTL_CHIPID_MX23:
- return "23";
- case HW_DIGCTL_CHIPID_MX28:
- return "28";
- default:
- return "??";
- }
-}
-
-static const char *get_cpu_rev(void)
+u32 get_cpu_rev(void)
{
struct mxs_digctl_regs *digctl_regs =
(struct mxs_digctl_regs *)MXS_DIGCTL_BASE;
@@ -158,38 +142,50 @@ static const char *get_cpu_rev(void)
case HW_DIGCTL_CHIPID_MX23:
switch (rev) {
case 0x0:
- return "1.0";
case 0x1:
- return "1.1";
case 0x2:
- return "1.2";
case 0x3:
- return "1.3";
case 0x4:
- return "1.4";
+ return (MXC_CPU_MX23 << 12) | (rev + 0x10);
default:
- return "??";
+ return 0;
}
case HW_DIGCTL_CHIPID_MX28:
switch (rev) {
case 0x1:
- return "1.2";
+ return (MXC_CPU_MX28 << 12) | 0x12;
default:
- return "??";
+ return 0;
}
default:
+ return 0;
+ }
+}
+
+#if defined(CONFIG_DISPLAY_CPUINFO)
+const char *get_imx_type(u32 imxtype)
+{
+ switch (imxtype) {
+ case MXC_CPU_MX23:
+ return "23"; /* Quad-Plus version of the mx6 */
+ case MXC_CPU_MX28:
+ return "28"; /* Dual-Plus version of the mx6 */
+ default:
return "??";
}
}
int print_cpuinfo(void)
{
+ u32 cpurev;
struct mxs_spl_data *data = (struct mxs_spl_data *)
((CONFIG_SYS_TEXT_BASE - sizeof(struct mxs_spl_data)) & ~0xf);
- printf("CPU: Freescale i.MX%s rev%s at %d MHz\n",
- get_cpu_type(),
- get_cpu_rev(),
+ cpurev = get_cpu_rev();
+ printf("CPU: Freescale i.MX%s rev%d.%d at %d MHz\n",
+ get_imx_type((cpurev & 0xFF000) >> 12),
+ (cpurev & 0x000F0) >> 4,
+ (cpurev & 0x0000F) >> 0,
mxc_get_clock(MXC_ARM_CLK) / 1000000);
printf("BOOT: %s\n", mxs_boot_modes[data->boot_mode_idx].mode);
return 0;
diff --git a/arch/arm/include/asm/arch-mxs/sys_proto.h
b/arch/arm/include/asm/arch-mxs/sys_proto.h
index 4678723..d6e9fdb 100644
--- a/arch/arm/include/asm/arch-mxs/sys_proto.h
+++ b/arch/arm/include/asm/arch-mxs/sys_proto.h
@@ -11,6 +11,7 @@
#define __SYS_PROTO_H__
#include <asm/imx-common/regs-common.h>
+#include <../arch-imx/cpu.h>
int mxs_reset_block(struct mxs_register_32 *reg);
int mxs_wait_mask_set(struct mxs_register_32 *reg,
--
1.8.4
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