Add PCI support for MPC8568MDS board
This patch is against u-boot-mpc85xx.git of www.denx.com
Signed-off-by: Haiying Wang <Haiying.Wang@freescale.com>
Signed-off-by: Ebony Zhu <ebony.zhu@freescale.com>
diff --git a/board/mpc8568mds/init.S b/board/mpc8568mds/init.S
index 0d87982..972a7d4 100644
--- a/board/mpc8568mds/init.S
+++ b/board/mpc8568mds/init.S
@@ -143,54 +143,42 @@
.long TLB1_MAS3(E500_TLB_RPN(CFG_FLASH_BASE), 0,0,0,0,0,1,0,1,0,1)
/*
- * TLBe 2: 256M Non-cacheable, guarded
- * 0x80000000 256M PCI1 MEM
+ * TLBe 2: 1G Non-cacheable, guarded
+ * 0x80000000 512M PCI1 MEM
+ * 0xa0000000 512M PCIe MEM
*/
.long TLB1_MAS0(1, 2, 0)
- .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
+ .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_1G)
.long TLB1_MAS2(E500_TLB_EPN(CFG_PCI1_MEM_BASE), 0,0,0,0,1,0,1,0)
.long TLB1_MAS3(E500_TLB_RPN(CFG_PCI1_MEM_BASE), 0,0,0,0,0,1,0,1,0,1)
/*
- * TLBe 3: 256M Non-cacheable, guarded
- * 0xa0000000 256M PCIe Mem
- */
- .long TLB1_MAS0(1, 3, 0)
- .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
- .long TLB1_MAS2(E500_TLB_EPN(CFG_PEX_MEM_BASE), 0,0,0,0,1,0,1,0)
- .long TLB1_MAS3(E500_TLB_RPN(CFG_PEX_MEM_BASE), 0,0,0,0,0,1,0,1,0,1)
-
- /*
- * TLBe 4: Reserved for future usage
- */
-
- /*
- * TLBe 5: 64M Non-cacheable, guarded
+ * TLBe 3: 64M Non-cacheable, guarded
* 0xe000_0000 1M CCSRBAR
* 0xe200_0000 8M PCI1 IO
* 0xe280_0000 8M PCIe IO
*/
- .long TLB1_MAS0(1, 5, 0)
+ .long TLB1_MAS0(1, 3, 0)
.long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
.long TLB1_MAS2(E500_TLB_EPN(CFG_CCSRBAR), 0,0,0,0,1,0,1,0)
.long TLB1_MAS3(E500_TLB_RPN(CFG_CCSRBAR), 0,0,0,0,0,1,0,1,0,1)
/*
- * TLBe 6: 64M Cacheable, non-guarded
+ * TLBe 4: 64M Cacheable, non-guarded
* 0xf000_0000 64M LBC SDRAM
*/
- .long TLB1_MAS0(1, 6, 0)
+ .long TLB1_MAS0(1, 4, 0)
.long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
.long TLB1_MAS2(E500_TLB_EPN(CFG_LBC_SDRAM_BASE), 0,0,0,0,0,0,0,0)
.long TLB1_MAS3(E500_TLB_RPN(CFG_LBC_SDRAM_BASE), 0,0,0,0,0,1,0,1,0,1)
/*
- * TLBe 7: 256K Non-cacheable, guarded
+ * TLBe 5: 256K Non-cacheable, guarded
* 0xf8000000 32K BCSR
* 0xf8008000 32K PIB (CS4)
* 0xf8010000 32K PIB (CS5)
*/
- .long TLB1_MAS0(1, 7, 0)
+ .long TLB1_MAS0(1, 5, 0)
.long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256K)
.long TLB1_MAS2(E500_TLB_EPN(CFG_BCSR_BASE), 0,0,0,0,1,0,1,0)
.long TLB1_MAS3(E500_TLB_RPN(CFG_BCSR_BASE), 0,0,0,0,0,1,0,1,0,1)
@@ -202,12 +190,12 @@
* LAW(Local Access Window) configuration:
*
*0) 0x0000_0000 0x7fff_ffff DDR 2G
- *1) 0x8000_0000 0x9fff_ffff PCI1 MEM 256MB
- *2) 0xa000_0000 0xbfff_ffff PCIe MEM 256MB
- *5) 0xc000_0000 0xdfff_ffff SRIO 256MB
+ *1) 0x8000_0000 0x9fff_ffff PCI1 MEM 512MB
+ *2) 0xa000_0000 0xbfff_ffff PCIe MEM 512MB
*-) 0xe000_0000 0xe00f_ffff CCSR 1M
*3) 0xe200_0000 0xe27f_ffff PCI1 I/O 8M
- *4) 0xe280_0000 0xe2ff_ffff PCIe I/0 8M
+ *4) 0xe280_0000 0xe2ff_ffff PCIe I/O 8M
+ *5) 0xc000_0000 0xdfff_ffff SRIO 512MB
*6.a) 0xf000_0000 0xf3ff_ffff SDRAM 64MB
*6.b) 0xf800_0000 0xf800_7fff BCSR 32KB
*6.c) 0xf800_8000 0xf800_ffff PIB (CS4) 32KB
@@ -226,20 +214,20 @@
#define LAWAR0 ((LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_128M)) & ~LAWAR_EN)
#define LAWBAR1 ((CFG_PCI1_MEM_BASE>>12) & 0xfffff)
-#define LAWAR1 (LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_256M))
+#define LAWAR1 (LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_512M))
#define LAWBAR2 ((CFG_PEX_MEM_BASE>>12) & 0xfffff)
-#define LAWAR2 (LAWAR_EN | LAWAR_TRGT_IF_PEX | (LAWAR_SIZE & LAWAR_SIZE_256M))
+#define LAWAR2 (LAWAR_EN | LAWAR_TRGT_IF_PEX | (LAWAR_SIZE & LAWAR_SIZE_512M))
#define LAWBAR3 ((CFG_PCI1_IO_PHYS>>12) & 0xfffff)
#define LAWAR3 (LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_8M))
#define LAWBAR4 ((CFG_PEX_IO_PHYS>>12) & 0xfffff)
-#define LAWAR4 (LAWAR_EN | LAWAR_TRGT_IF_PEX | (LAWAR_SIZE & LAWAR_SIZE_16M))
+#define LAWAR4 (LAWAR_EN | LAWAR_TRGT_IF_PEX | (LAWAR_SIZE & LAWAR_SIZE_8M))
#define LAWBAR5 ((CFG_SRIO_MEM_BASE>>12) & 0xfffff)
-#define LAWAR5 (LAWAR_EN | LAWAR_TRGT_IF_RIO | (LAWAR_SIZE & LAWAR_SIZE_256M))
+#define LAWAR5 (LAWAR_EN | LAWAR_TRGT_IF_RIO | (LAWAR_SIZE & LAWAR_SIZE_512M))
/* LBC window - maps 256M. That's SDRAM, BCSR, PIBs, and Flash */
#define LAWBAR6 ((CFG_LBC_SDRAM_BASE>>12) & 0xfffff)
diff --git a/board/mpc8568mds/mpc8568mds.c b/board/mpc8568mds/mpc8568mds.c
index 9c7960d..23caaec 100644
--- a/board/mpc8568mds/mpc8568mds.c
+++ b/board/mpc8568mds/mpc8568mds.c
@@ -27,6 +27,7 @@
#include <asm/processor.h>
#include <asm/immap_85xx.h>
#include <spd.h>
+#include <i2c.h>
#include "bcsr.h"
@@ -50,6 +51,15 @@
enable_8568mds_duart();
enable_8568mds_flash_write();
+#ifdef CFG_I2C2_OFFSET
+ /* Enable I2C2_SCL and I2C2_SDA */
+ volatile struct par_io *port_c;
+ port_c = (struct par_io*)(CFG_IMMR + 0xe0140);
+ port_c->cpdir2 |= 0x0f000000;
+ port_c->cppar2 &= ~0x0f000000;
+ port_c->cppar2 |= 0x0a000000;
+#endif
+
return 0;
}
@@ -269,20 +279,62 @@
#endif
static struct pci_controller hose[] = {
+ {
#ifndef CONFIG_PCI_PNP
- { config_table: pci_mpc8568mds_config_table,},
+ config_table: pci_mpc8568mds_config_table,
#endif
-#ifdef CONFIG_MPC85XX_PCI2
- {},
-#endif
+ }
};
#endif /* CONFIG_PCI */
+/*
+ * pib_init() -- Initialize the PCA9555 IO expander on the PIB board
+ */
+void
+pib_init(void)
+{
+ u8 val8, orig_i2c_bus;
+ /*
+ * Assign PIB PMC2/3 to PCI bus
+ */
+
+ /*switch temporarily to I2C bus #2 */
+ orig_i2c_bus = i2c_get_bus_num();
+ i2c_set_bus_num(1);
+
+ val8 = 0x00;
+ i2c_write(0x23, 0x6, 1, &val8, 1);
+ i2c_write(0x23, 0x7, 1, &val8, 1);
+ val8 = 0xff;
+ i2c_write(0x23, 0x2, 1, &val8, 1);
+ i2c_write(0x23, 0x3, 1, &val8, 1);
+
+ val8 = 0x00;
+ i2c_write(0x26, 0x6, 1, &val8, 1);
+ val8 = 0x34;
+ i2c_write(0x26, 0x7, 1, &val8, 1);
+ val8 = 0xf9;
+ i2c_write(0x26, 0x2, 1, &val8, 1);
+ val8 = 0xff;
+ i2c_write(0x26, 0x3, 1, &val8, 1);
+
+ val8 = 0x00;
+ i2c_write(0x27, 0x6, 1, &val8, 1);
+ i2c_write(0x27, 0x7, 1, &val8, 1);
+ val8 = 0xff;
+ i2c_write(0x27, 0x2, 1, &val8, 1);
+ val8 = 0xef;
+ i2c_write(0x27, 0x3, 1, &val8, 1);
+
+ asm("eieio");
+}
+
void
pci_init_board(void)
{
#ifdef CONFIG_PCI
+ pib_init();
pci_mpc85xx_init(&hose);
#endif
}
diff --git a/include/asm-ppc/immap_85xx.h b/include/asm-ppc/immap_85xx.h
index 77f885d..3d4816f 100644
--- a/include/asm-ppc/immap_85xx.h
+++ b/include/asm-ppc/immap_85xx.h
@@ -1522,6 +1522,17 @@
char res58[60176];
} ccsr_rio_t;
+/* Quick Engine Block Pin Muxing Registers (0xe_0100 - 0xe_01bf) */
+typedef struct par_io {
+ uint cpodr; /* 0x100 */
+ uint cpdat; /* 0x104 */
+ uint cpdir1; /* 0x108 */
+ uint cpdir2; /* 0x10c */
+ uint cppar1; /* 0x110 */
+ uint cppar2; /* 0x114 */
+ char res[8];
+}par_io_t;
+
/*
* Global Utilities Register Block(0xe_0000-0xf_ffff)
*/
@@ -1585,7 +1596,13 @@
uint svr; /* 0xe00a4 - System version register */
char res10a[8];
uint rstcr; /* 0xe00b0 - Reset control register */
+#ifdef MPC8568
+ char res10b[76];
+ par_io_t qe_par_io[7]; /* 0xe0100 - 0xe01bf */
+ char res10c[3136];
+#else
char res10b[3404];
+#endif
uint clkocr; /* 0xe0e00 - Clock out select register */
char res11[12];
uint ddrdllcr; /* 0xe0e10 - DDR DLL control register */
diff --git a/include/configs/MPC8568MDS.h b/include/configs/MPC8568MDS.h
index eef168c..5bc953a 100644
--- a/include/configs/MPC8568MDS.h
+++ b/include/configs/MPC8568MDS.h
@@ -33,7 +33,7 @@
#define CONFIG_MPC8568 1 /* MPC8568 specific */
#define CONFIG_MPC8568MDS 1 /* MPC8568MDS board specific */
-#undef CONFIG_PCI
+#define CONFIG_PCI
#define CONFIG_TSEC_ENET /* tsec ethernet support */
#define CONFIG_ENV_OVERWRITE
#define CONFIG_SPD_EEPROM /* Use SPD EEPROM for DDR setup*/
@@ -306,11 +306,14 @@
#define CONFIG_FSL_I2C /* Use FSL common I2C driver */
#define CONFIG_HARD_I2C /* I2C with hardware support*/
#undef CONFIG_SOFT_I2C /* I2C bit-banged */
+#define CONFIG_I2C_MULTI_BUS
+#define CONFIG_I2C_CMD_TREE
#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
-#define CFG_I2C_EEPROM_ADDR 0x57
+#define CFG_I2C_EEPROM_ADDR 0x52
#define CFG_I2C_SLAVE 0x7F
-#define CFG_I2C_NOPROBES {0x69} /* Don't probe these addrs */
+#define CFG_I2C_NOPROBES {0,0x69} /* Don't probe these addrs */
#define CFG_I2C_OFFSET 0x3000
+#define CFG_I2C2_OFFSET 0x3100
/*
* General PCI
@@ -318,7 +321,7 @@
*/
#define CFG_PCI1_MEM_BASE 0x80000000
#define CFG_PCI1_MEM_PHYS CFG_PCI1_MEM_BASE
-#define CFG_PCI1_MEM_SIZE 0x10000000 /* 256M */
+#define CFG_PCI1_MEM_SIZE 0x20000000 /* 512M */
#define CFG_PCI1_IO_BASE 0x00000000
#define CFG_PCI1_IO_PHYS 0xe2000000
#define CFG_PCI1_IO_SIZE 0x00800000 /* 8M */