powerpc/t4qds: Slave module for boot from SRIO and PCIE

When a T4 board boots from SRIO or PCIE, it needs to finish these processes:
	1. Set all the cores in holdoff status.
	2. Set the boot location to one PCIE or SRIO interface by RCW.
	3. Set a specific TLB entry for the boot process.
	4. Set a LAW entry with the TargetID of one PCIE or SRIO for the boot.
	5. Set a specific TLB entry in order to fetch ucode and ENV from
	   master.
	6. Set a LAW entry with the TargetID one of the PCIE ports for
	   ucode and ENV.
	7. Slave's u-boot image should be generated specifically by
	   make xxxx_SRIO_PCIE_BOOT_config.
	   This will set SYS_TEXT_BASE=0xFFF80000 and other configurations.

For more information about the feature of Boot from SRIO/PCIE, please
refer to the document doc/README.srio-pcie-boot-corenet.

Signed-off-by: Liu Gang <Gang.Liu@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>

diff --git a/arch/powerpc/include/asm/immap_85xx.h b/arch/powerpc/include/asm/immap_85xx.h
index 8545a0c42bdd9e423f155f882597761afce372bc..db70d048f5bed5d6f7501b4b1ed766d1eae67d44 100644 (file)
--- a/arch/powerpc/include/asm/immap_85xx.h
+++ b/arch/powerpc/include/asm/immap_85xx.h
@@ -1839,6 +1839,7 @@ typedef struct ccsr_gur {
 #define FSL_CORENET2_RCWSR4_SRDS3_PRTCL_SHIFT  11
 #define FSL_CORENET2_RCWSR4_SRDS4_PRTCL                0x000000f8
 #define FSL_CORENET2_RCWSR4_SRDS4_PRTCL_SHIFT  3
+#define FSL_CORENET_RCWSR6_BOOT_LOC    0x0f800000
 #elif defined(CONFIG_PPC_B4860) || defined(CONFIG_PPC_B4420)
 #define FSL_CORENET2_RCWSR4_SRDS1_PRTCL        0xfe000000
 #define FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT  25

diff --git a/board/freescale/t4qds/tlb.c b/board/freescale/t4qds/tlb.c
index 92c01cf95c72a18f614a52d85355abab11592079..a138d5a9e6f4bd986c3b6615043f235cc6a937e1 100644 (file)
--- a/board/freescale/t4qds/tlb.c
+++ b/board/freescale/t4qds/tlb.c
@@ -55,6 +55,15 @@ struct fsl_e_tlb_entry tlb_table[] = {
        SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L3_ADDR, CONFIG_SYS_INIT_L3_ADDR,
                        MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
                        0, 0, BOOKE_PAGESZ_1M, 1),
+#elif defined(CONFIG_SRIO_PCIE_BOOT_SLAVE)
+       /*
+        * SRIO_PCIE_BOOT-SLAVE. When slave boot, the address of the
+        * space is at 0xfff00000, it covered the 0xfffff000.
+        */
+       SET_TLB_ENTRY(1, CONFIG_SYS_SRIO_PCIE_BOOT_SLAVE_ADDR,
+                     CONFIG_SYS_SRIO_PCIE_BOOT_SLAVE_ADDR_PHYS,
+                     MAS3_SX|MAS3_SW|MAS3_SR, MAS2_W|MAS2_G,
+                     0, 0, BOOKE_PAGESZ_1M, 1),
 #else
        SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
                      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
@@ -130,6 +139,16 @@ struct fsl_e_tlb_entry tlb_table[] = {
        SET_TLB_ENTRY(1, QIXIS_BASE, QIXIS_BASE_PHYS,
                      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
                      0, 17, BOOKE_PAGESZ_4K, 1),
+#ifdef CONFIG_SRIO_PCIE_BOOT_SLAVE
+       /*
+        * SRIO_PCIE_BOOT-SLAVE. 1M space from 0xffe00000 for
+        * fetching ucode and ENV from master
+        */
+       SET_TLB_ENTRY(1, CONFIG_SYS_SRIO_PCIE_BOOT_UCODE_ENV_ADDR,
+                     CONFIG_SYS_SRIO_PCIE_BOOT_UCODE_ENV_ADDR_PHYS,
+                     MAS3_SX|MAS3_SW|MAS3_SR, MAS2_G,
+                     0, 18, BOOKE_PAGESZ_1M, 1),
+#endif
 
 };
 

diff --git a/boards.cfg b/boards.cfg
index 009e8961b04a216164a2d4b2575e3d65a1e0ef3b..4993220b5705516f917ffab1438e1eb983f0880d 100644 (file)
--- a/boards.cfg
+++ b/boards.cfg
@@ -917,6 +917,7 @@ stxssa_4M                    powerpc     mpc85xx     stxssa              stx
 T4240QDS                     powerpc     mpc85xx     t4qds               freescale      -           T4240QDS:PPC_T4240
 T4240QDS_SDCARD              powerpc     mpc85xx     t4qds               freescale     -           T4240QDS:PPC_T4240,RAMBOOT_PBL,SDCARD,SYS_TEXT_BASE=0xFFF80000
 T4240QDS_SPIFLASH            powerpc     mpc85xx     t4qds               freescale     -           T4240QDS:PPC_T4240,RAMBOOT_PBL,SPIFLASH,SYS_TEXT_BASE=0xFFF80000
+T4240QDS_SRIO_PCIE_BOOT             powerpc     mpc85xx     t4qds               freescale      -           T4240QDS:PPC_T4240,SRIO_PCIE_BOOT_SLAVE,SYS_TEXT_BASE=0xFFF80000
 T4160QDS                     powerpc     mpc85xx     t4qds               freescale      -           T4240QDS:PPC_T4160
 T4160QDS_SDCARD              powerpc     mpc85xx     t4qds               freescale     -           T4240QDS:PPC_T4160,RAMBOOT_PBL,SDCARD,SYS_TEXT_BASE=0xFFF80000
 T4160QDS_SPIFLASH            powerpc     mpc85xx     t4qds               freescale     -           T4240QDS:PPC_T4160,RAMBOOT_PBL,SPIFLASH,SYS_TEXT_BASE=0xFFF80000

diff --git a/include/configs/t4qds.h b/include/configs/t4qds.h
index 398ccb04118e8e38a5664b8a86d80c4ad4275d4b..92b2179ca7f5ad8693dd1df24f3432c9e13c1a3d 100644 (file)
--- a/include/configs/t4qds.h
+++ b/include/configs/t4qds.h
@@ -33,6 +33,15 @@
 #define CONFIG_PBLRCW_CONFIG $(SRCTREE)/board/freescale/t4qds/t4_rcw.cfg
 #endif
 
+#ifdef CONFIG_SRIO_PCIE_BOOT_SLAVE
+/* Set 1M boot space */
+#define CONFIG_SYS_SRIO_PCIE_BOOT_SLAVE_ADDR (CONFIG_SYS_TEXT_BASE & 0xfff00000)
+#define CONFIG_SYS_SRIO_PCIE_BOOT_SLAVE_ADDR_PHYS \
+               (0x300000000ull | CONFIG_SYS_SRIO_PCIE_BOOT_SLAVE_ADDR)
+#define CONFIG_RESET_VECTOR_ADDRESS 0xfffffffc
+#define CONFIG_SYS_NO_FLASH
+#endif
+
 #define CONFIG_CMD_REGINFO
 
 /* High Level Configuration Options */
@@ -72,14 +81,15 @@
 #define CONFIG_ENV_OVERWRITE
 
 #ifdef CONFIG_SYS_NO_FLASH
+#if !defined(CONFIG_SRIO_PCIE_BOOT_SLAVE) && !defined(CONFIG_RAMBOOT_PBL)
 #define CONFIG_ENV_IS_NOWHERE
+#endif
 #else
 #define CONFIG_FLASH_CFI_DRIVER
 #define CONFIG_SYS_FLASH_CFI
 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
 #endif
 
-#ifndef CONFIG_SYS_NO_FLASH
 #if defined(CONFIG_SPIFLASH)
 #define CONFIG_SYS_EXTRA_ENV_RELOC
 #define CONFIG_ENV_IS_IN_SPI_FLASH
@@ -101,18 +111,18 @@
 #define CONFIG_ENV_IS_IN_NAND
 #define CONFIG_ENV_SIZE                        CONFIG_SYS_NAND_BLOCK_SIZE
 #define CONFIG_ENV_OFFSET              (5 * CONFIG_SYS_NAND_BLOCK_SIZE)
+#elif defined(CONFIG_SRIO_PCIE_BOOT_SLAVE)
+#define CONFIG_ENV_IS_IN_REMOTE
+#define CONFIG_ENV_ADDR                0xffe20000
+#define CONFIG_ENV_SIZE                0x2000
+#elif defined(CONFIG_ENV_IS_NOWHERE)
+#define CONFIG_ENV_SIZE                0x2000
 #else
 #define CONFIG_ENV_IS_IN_FLASH
 #define CONFIG_ENV_ADDR                (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SECT_SIZE)
 #define CONFIG_ENV_SIZE                0x2000
 #define CONFIG_ENV_SECT_SIZE   0x20000 /* 128K (one sector) */
 #endif
-#else /* CONFIG_SYS_NO_FLASH */
-#define CONFIG_ENV_SIZE                0x2000
-#define CONFIG_ENV_SECT_SIZE   0x20000 /* 128K (one sector) */
-#endif
-
-
 
 #define CONFIG_SYS_CLK_FREQ    get_board_sys_clk()
 #define CONFIG_DDR_CLK_FREQ    get_board_ddr_clk()
@@ -634,6 +644,16 @@ unsigned long get_board_ddr_clk(void);
 #elif defined(CONFIG_NAND)
 #define CONFIG_SYS_QE_FMAN_FW_IN_NAND
 #define CONFIG_SYS_QE_FMAN_FW_ADDR     (6 * CONFIG_SYS_NAND_BLOCK_SIZE)
+#elif defined(CONFIG_SRIO_PCIE_BOOT_SLAVE)
+/*
+ * Slave has no ucode locally, it can fetch this from remote. When implementing
+ * in two corenet boards, slave's ucode could be stored in master's memory
+ * space, the address can be mapped from slave TLB->slave LAW->
+ * slave SRIO or PCIE outbound window->master inbound window->
+ * master LAW->the ucode address in master's memory space.
+ */
+#define CONFIG_SYS_QE_FMAN_FW_IN_REMOTE
+#define CONFIG_SYS_QE_FMAN_FW_ADDR     0xFFE00000
 #else
 #define CONFIG_SYS_QE_FMAN_FW_IN_NOR
 #define CONFIG_SYS_QE_FMAN_FW_ADDR             0xEFF40000