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[1/7] hw/arm/raspi: Define various blocks base addresses

Message ID 20200920175825.417680-2-f4bug@amsat.org
State New
Headers show
Series hw/arm/raspi: Fix SYS_timer on Linux + misc changes | expand

Commit Message

Philippe Mathieu-Daudé Sept. 20, 2020, 5:58 p.m. UTC 
The Raspberry firmware is closed-source. While running it, it
accesses various I/O registers. Logging these accesses as UNIMP
(unimplemented) help to understand what the firmware is doing
(ideally we want it able to boot a Linux kernel).

Document various blocks we might use later.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 include/hw/arm/raspi_platform.h | 51 +++++++++++++++++++++++++++------
 1 file changed, 43 insertions(+), 8 deletions(-)
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Patch

diff --git a/include/hw/arm/raspi_platform.h b/include/hw/arm/raspi_platform.h
index 61b04a1bd4a..c7f50b260f6 100644
--- a/include/hw/arm/raspi_platform.h
+++ b/include/hw/arm/raspi_platform.h
@@ -20,20 +20,29 @@ 
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * Various undocumented addresses and names come from Herman Hermitage's VC4
+ * documentation:
+ * https://github.com/hermanhermitage/videocoreiv/wiki/MMIO-Register-map
  */
 
 #ifndef HW_ARM_RASPI_PLATFORM_H
 #define HW_ARM_RASPI_PLATFORM_H
 
 #define MSYNC_OFFSET            0x0000   /* Multicore Sync Block */
-#define IC0_OFFSET              0x2000
+#define CCPT_OFFSET             0x1000   /* Compact Camera Port 2 TX */
+#define INTE_OFFSET             0x2000   /* VC Interrupt controller */
 #define ST_OFFSET               0x3000   /* System Timer */
+#define TXP_OFFSET              0x4000   /* Transposer */
+#define JPEG_OFFSET             0x5000
 #define MPHI_OFFSET             0x6000   /* Message-based Parallel Host Intf. */
 #define DMA_OFFSET              0x7000   /* DMA controller, channels 0-14 */
-#define ARM_OFFSET              0xB000   /* BCM2708 ARM control block */
+#define ARBA_OFFSET             0x9000
+#define BRDG_OFFSET             0xa000
+#define ARM_OFFSET              0xB000   /* ARM control block */
 #define ARMCTRL_OFFSET          (ARM_OFFSET + 0x000)
 #define ARMCTRL_IC_OFFSET       (ARM_OFFSET + 0x200) /* Interrupt controller */
-#define ARMCTRL_TIMER0_1_OFFSET (ARM_OFFSET + 0x400) /* Timer 0 and 1 */
+#define ARMCTRL_TIMER0_1_OFFSET (ARM_OFFSET + 0x400) /* Timer 0 and 1 (SP804) */
 #define ARMCTRL_0_SBM_OFFSET    (ARM_OFFSET + 0x800) /* User 0 (ARM) Semaphores
                                                       * Doorbells & Mailboxes */
 #define CPRMAN_OFFSET           0x100000 /* Power Management, Watchdog */
@@ -42,24 +51,50 @@ 
 #define AVS_OFFSET              0x103000 /* Audio Video Standard */
 #define RNG_OFFSET              0x104000
 #define GPIO_OFFSET             0x200000
-#define UART0_OFFSET            0x201000
-#define MMCI0_OFFSET            0x202000
-#define I2S_OFFSET              0x203000
-#define SPI0_OFFSET             0x204000
+#define UART0_OFFSET            0x201000 /* PL011 */
+#define MMCI0_OFFSET            0x202000 /* Legacy MMC */
+#define I2S_OFFSET              0x203000 /* PCM */
+#define SPI0_OFFSET             0x204000 /* SPI master */
 #define BSC0_OFFSET             0x205000 /* BSC0 I2C/TWI */
+#define PIXV0_OFFSET            0x206000
+#define PIXV1_OFFSET            0x207000
+#define DPI_OFFSET              0x208000
+#define DSI0_OFFSET             0x209000 /* Display Serial Interface */
+#define PWM_OFFSET              0x20c000
+#define PERM_OFFSET             0x20d000
+#define TEC_OFFSET              0x20e000
 #define OTP_OFFSET              0x20f000
+#define SLIM_OFFSET             0x210000 /* SLIMbus */
+#define CPG_OFFSET              0x211000
 #define THERMAL_OFFSET          0x212000
-#define BSC_SL_OFFSET           0x214000 /* SPI slave */
+#define AVSP_OFFSET             0x213000
+#define BSC_SL_OFFSET           0x214000 /* SPI slave (bootrom) */
 #define AUX_OFFSET              0x215000 /* AUX: UART1/SPI1/SPI2 */
 #define EMMC1_OFFSET            0x300000
+#define EMMC2_OFFSET            0x340000
+#define HVS_OFFSET              0x400000
 #define SMI_OFFSET              0x600000
+#define DSI1_OFFSET             0x700000
+#define UCAM_OFFSET             0x800000
+#define CMI_OFFSET              0x802000
 #define BSC1_OFFSET             0x804000 /* BSC1 I2C/TWI */
 #define BSC2_OFFSET             0x805000 /* BSC2 I2C/TWI */
+#define VECA_OFFSET             0x806000
+#define PIXV2_OFFSET            0x807000
+#define HDMI_OFFSET             0x808000
+#define HDCP_OFFSET             0x809000
+#define ARBR0_OFFSET            0x80a000
 #define DBUS_OFFSET             0x900000
 #define AVE0_OFFSET             0x910000
 #define USB_OTG_OFFSET          0x980000 /* DTC_OTG USB controller */
+#define V3D_OFFSET              0xc00000
 #define SDRAMC_OFFSET           0xe00000
+#define L2CC_OFFSET             0xe01000 /* Level 2 Cache controller */
+#define L1CC_OFFSET             0xe02000 /* Level 1 Cache controller */
+#define ARBR1_OFFSET            0xe04000
 #define DMA15_OFFSET            0xE05000 /* DMA controller, channel 15 */
+#define DCRC_OFFSET             0xe07000
+#define AXIP_OFFSET             0xe08000
 
 /* GPU interrupts */
 #define INTERRUPT_TIMER0               0