From: Wenyou Yang <wenyou.yang@microchip.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v6 8/9] ARM: at91: Get the Chip ID of SAMA5D2 SiP
Date: Wed, 13 Sep 2017 14:58:53 +0800 [thread overview]
Message-ID: <20170913065854.26134-9-wenyou.yang@microchip.com> (raw)
In-Reply-To: <20170913065854.26134-1-wenyou.yang@microchip.com>
From: Wenyou Yang <wenyou.yang@atmel.com>
The SAMA5D2 SiP(System in Package) has different Chip IDs in the
CHIPID and CHIP_EXID registers.
Signed-off-by: Wenyou Yang <wenyou.yang@microchip.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
---
Changes in v6: None
Changes in v5: None
Changes in v4: None
Changes in v3: None
Changes in v2: None
arch/arm/mach-at91/armv7/sama5d2_devices.c | 26 ++++++++++++++++++++++++--
arch/arm/mach-at91/include/mach/sama5d2.h | 7 ++++++-
2 files changed, 30 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-at91/armv7/sama5d2_devices.c b/arch/arm/mach-at91/armv7/sama5d2_devices.c
index 978eac29bd..de1d9b5bfb 100644
--- a/arch/arm/mach-at91/armv7/sama5d2_devices.c
+++ b/arch/arm/mach-at91/armv7/sama5d2_devices.c
@@ -10,11 +10,20 @@
#include <asm/arch/clk.h>
#include <asm/arch/sama5d2.h>
-char *get_cpu_name()
+int cpu_is_sama5d2(void)
{
+ unsigned int chip_id = get_chip_id();
+
+ return ((chip_id == ARCH_ID_SAMA5D2) ||
+ (chip_id == ARCH_ID_SAMA5D2_SIP)) ? 1 : 0;
+}
+
+char *get_cpu_name(void)
+{
+ unsigned int chip_id = get_chip_id();
unsigned int extension_id = get_extension_chip_id();
- if (cpu_is_sama5d2()) {
+ if (chip_id == ARCH_ID_SAMA5D2) {
switch (extension_id) {
case ARCH_EXID_SAMA5D21CU:
return "SAMA5D21";
@@ -41,6 +50,19 @@ char *get_cpu_name()
}
}
+ if ((chip_id == ARCH_ID_SAMA5D2) || (chip_id == ARCH_ID_SAMA5D2_SIP)) {
+ switch (extension_id) {
+ case ARCH_EXID_SAMA5D225C_D1M:
+ return "SAMA5D225 128M bits DDR2 SDRAM";
+ case ARCH_EXID_SAMA5D27C_D5M:
+ return "SAMA5D27 512M bits DDR2 SDRAM";
+ case ARCH_EXID_SAMA5D27C_D1G:
+ return "SAMA5D27 1G bits DDR2 SDRAM";
+ case ARCH_EXID_SAMA5D28C_D1G:
+ return "SAMA5D28 1G bits DDR2 SDRAM";
+ }
+ }
+
return "Unknown CPU type";
}
diff --git a/arch/arm/mach-at91/include/mach/sama5d2.h b/arch/arm/mach-at91/include/mach/sama5d2.h
index 25c85411e5..49283ed86b 100644
--- a/arch/arm/mach-at91/include/mach/sama5d2.h
+++ b/arch/arm/mach-at91/include/mach/sama5d2.h
@@ -222,7 +222,11 @@
#define ARCH_EXID_SAMA5D28CU 0x00000010
#define ARCH_EXID_SAMA5D28CN 0x00000020
-#define cpu_is_sama5d2() (get_chip_id() == ARCH_ID_SAMA5D2)
+#define ARCH_ID_SAMA5D2_SIP 0x8a5c08c2
+#define ARCH_EXID_SAMA5D225C_D1M 0x00000053
+#define ARCH_EXID_SAMA5D27C_D5M 0x00000032
+#define ARCH_EXID_SAMA5D27C_D1G 0x00000033
+#define ARCH_EXID_SAMA5D28C_D1G 0x00000013
/* PIT Timer(PIT_PIIR) */
#define CONFIG_SYS_TIMER_COUNTER 0xf804803c
@@ -233,6 +237,7 @@
#ifndef __ASSEMBLY__
unsigned int get_chip_id(void);
unsigned int get_extension_chip_id(void);
+int cpu_is_sama5d2(void);
unsigned int has_lcdc(void);
char *get_cpu_name(void);
#endif
--
2.13.0
next prev parent reply other threads:[~2017-09-13 6:58 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-13 6:58 [U-Boot] [PATCH v6 0/9] board: atmel: Add new board SAMA5D27-SOM1-EK board Wenyou Yang
2017-09-13 6:58 ` [U-Boot] [PATCH v6 1/9] lib: at91: Add logo files used via API of DM_VIDEO Wenyou Yang
2017-09-15 0:47 ` [U-Boot] [U-Boot, v6, " Tom Rini
2017-09-13 6:58 ` [U-Boot] [PATCH v6 2/9] atmel: common: Add function to display via DM_VIDEO's API Wenyou Yang
2017-09-15 0:47 ` [U-Boot] [U-Boot, v6, " Tom Rini
2017-09-13 6:58 ` [U-Boot] [PATCH v6 3/9] ARM: at91: spl: Adjust switching to oscillator for SAMA5D2 Wenyou Yang
2017-09-15 0:47 ` [U-Boot] [U-Boot, v6, " Tom Rini
2017-09-13 6:58 ` [U-Boot] [PATCH v6 4/9] ARM: at91: spl: Add mck function to lower rate while switching Wenyou Yang
2017-09-15 0:47 ` [U-Boot] [U-Boot, v6, " Tom Rini
2017-09-13 6:58 ` [U-Boot] [PATCH v6 5/9] board: sama5d2_xplained: Make SPL work on spiflash Wenyou Yang
2017-09-15 0:47 ` [U-Boot] [U-Boot, v6, " Tom Rini
2017-09-13 6:58 ` [U-Boot] [PATCH v6 6/9] ARM: at91: spl: Add boot device for boot from QSPI Wenyou Yang
2017-09-15 0:48 ` [U-Boot] [U-Boot, v6, " Tom Rini
2017-09-13 6:58 ` [U-Boot] [PATCH v6 7/9] ARM: at91: mach: Add missing defines of MPDDRC Wenyou Yang
2017-09-15 0:48 ` [U-Boot] [U-Boot, v6, " Tom Rini
2017-09-13 6:58 ` Wenyou Yang [this message]
2017-09-15 0:48 ` [U-Boot] [U-Boot, v6, 8/9] ARM: at91: Get the Chip ID of SAMA5D2 SiP Tom Rini
2017-09-13 6:58 ` [U-Boot] [PATCH v6 9/9] board: atmel: Add SAMA5D27 SOM1 EK board Wenyou Yang
2017-09-15 0:48 ` [U-Boot] [U-Boot, v6, " Tom Rini
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20170913065854.26134-9-wenyou.yang@microchip.com \
--to=wenyou.yang@microchip.com \
--cc=u-boot@lists.denx.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox