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mx6: Distinguish mx6dual from mx6quad 

Currently when we boot a mx6dual U-boot reports that it is a mx6quad.

Report it as MX6D instead:

CPU:   Freescale i.MX6D rev1.2 at 792 MHz

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Stefano babic <sbabic@denx.de>
Acked-by: Otavio Salvador <otavio@ossystems.com.br>
This commit is contained in:
Fabio Estevam 2014-01-26 15:06:41 -02:00 committed by Stefano Babic
parent 6a99f03d69
commit 94db665579
3 changed files with 14 additions and 3 deletions
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14
arch/arm/cpu/armv7/mx6/soc.c
View File

@ -41,14 +41,19 @@ u32 get_cpu_rev(void)
if (type != MXC_CPU_MX6SL) {
reg = readl(&anatop->digprog);
struct scu_regs *scu = (struct scu_regs *)SCU_BASE_ADDR;
u32 cfg = readl(&scu->config) & 3;
type = ((reg >> 16) & 0xff);
if (type == MXC_CPU_MX6DL) {
struct scu_regs *scu = (struct scu_regs *)SCU_BASE_ADDR;
u32 cfg = readl(&scu->config) & 3;
if (!cfg)
type = MXC_CPU_MX6SOLO;
}
if (type == MXC_CPU_MX6Q) {
if (cfg == 1)
type = MXC_CPU_MX6D;
}
}
reg &= 0xff; /* mx6 silicon revision */
return (type << 12) | (reg + 0x10);
@ -62,6 +67,9 @@ u32 __weak get_board_rev(void)
if (type == MXC_CPU_MX6SOLO)
cpurev = (MXC_CPU_MX6DL) << 12 | (cpurev & 0xFFF);
if (type == MXC_CPU_MX6D)
cpurev = (MXC_CPU_MX6Q) << 12 | (cpurev & 0xFFF);
return cpurev;
}
#endif

2
arch/arm/imx-common/cpu.c
View File

@ -106,6 +106,8 @@ const char *get_imx_type(u32 imxtype)
switch (imxtype) {
case MXC_CPU_MX6Q:
return "6Q"; /* Quad-core version of the mx6 */
case MXC_CPU_MX6D:
return "6D"; /* Dual-core version of the mx6 */
case MXC_CPU_MX6DL:
return "6DL"; /* Dual Lite version of the mx6 */
case MXC_CPU_MX6SOLO:

1
arch/arm/include/asm/arch-imx/cpu.h
View File

@ -10,3 +10,4 @@
#define MXC_CPU_MX6DL 0x61
#define MXC_CPU_MX6SOLO 0x62
#define MXC_CPU_MX6Q 0x63
#define MXC_CPU_MX6D 0x64