The PCIe bus that the ULI M1575 is connected to has no possible way of needing more than the fixed amount of IO & Memory space needed by the ULI.
So make it use far less IO & memory space and have it use the shared LAW. This free's up a LAW for PCIe1 IO space. Also reduce the amount of IO space needed by each bus.
Signed-off-by: Kumar Gala galak@kernel.crashing.org --- board/freescale/mpc8544ds/init.S | 13 ++++++------- include/configs/MPC8544DS.h | 21 +++++++++------------ 2 files changed, 15 insertions(+), 19 deletions(-)
diff --git a/board/freescale/mpc8544ds/init.S b/board/freescale/mpc8544ds/init.S index ea7d54d..900c368 100644 --- a/board/freescale/mpc8544ds/init.S +++ b/board/freescale/mpc8544ds/init.S @@ -218,7 +218,7 @@ law_entry: .long LAWAR_EN | LAWAR_TRGT_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_512M)
.long (CFG_PCI1_IO_PHYS>>12) & 0xfffff - .long LAWAR_EN | LAWAR_TRGT_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_16M) + .long LAWAR_EN | LAWAR_TRGT_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_64K)
.long (CFG_LBC_CACHE_BASE>>12) & 0xfffff .long LAWAR_EN | LAWAR_TRGT_LBC | (LAWAR_SIZE & LAWAR_SIZE_256M) @@ -226,18 +226,17 @@ law_entry: .long (CFG_PCIE1_MEM_PHYS>>12) & 0xfffff .long LAWAR_EN | LAWAR_TRGT_PCIE1 | (LAWAR_SIZE & LAWAR_SIZE_256M)
- /* To keep to 10 LAWs, PCIE1_IO_PHYS must use top of mem region */ + .long (CFG_PCIE1_IO_PHYS>>12) & 0xfffff + .long LAWAR_EN | LAWAR_TRGT_PCIE1 | (LAWAR_SIZE & LAWAR_SIZE_64K)
.long (CFG_PCIE2_MEM_PHYS>>12) & 0xfffff .long LAWAR_EN | LAWAR_TRGT_PCIE2 | (LAWAR_SIZE & LAWAR_SIZE_512M)
.long (CFG_PCIE2_IO_PHYS>>12) & 0xfffff - .long LAWAR_EN | LAWAR_TRGT_PCIE2 | (LAWAR_SIZE & LAWAR_SIZE_16M) + .long LAWAR_EN | LAWAR_TRGT_PCIE2 | (LAWAR_SIZE & LAWAR_SIZE_64K)
+ /* contains both PCIE3 MEM & IO space */ .long (CFG_PCIE3_MEM_PHYS>>12) & 0xfffff - .long LAWAR_EN | LAWAR_TRGT_PCIE3 | (LAWAR_SIZE & LAWAR_SIZE_256M) - - .long (CFG_PCIE3_IO_PHYS>>12) & 0xfffff - .long LAWAR_EN | LAWAR_TRGT_PCIE3 | (LAWAR_SIZE & LAWAR_SIZE_16M) + .long LAWAR_EN | LAWAR_TRGT_PCIE3 | (LAWAR_SIZE & LAWAR_SIZE_2M) 4: entry_end diff --git a/include/configs/MPC8544DS.h b/include/configs/MPC8544DS.h index fcb92fa..746f360 100644 --- a/include/configs/MPC8544DS.h +++ b/include/configs/MPC8544DS.h @@ -282,7 +282,7 @@ extern unsigned long get_board_sys_clk(unsigned long dummy); #define CFG_PCI1_MEM_SIZE 0x20000000 /* 512M */ #define CFG_PCI1_IO_BASE 0x00000000 #define CFG_PCI1_IO_PHYS 0xe1000000 -#define CFG_PCI1_IO_SIZE 0x00100000 /* 1M */ +#define CFG_PCI1_IO_SIZE 0x00010000 /* 64k */
/* PCI view of System Memory */ #define CFG_PCI_MEMORY_BUS 0x00000000 @@ -294,26 +294,23 @@ extern unsigned long get_board_sys_clk(unsigned long dummy); #define CFG_PCIE2_MEM_PHYS CFG_PCIE2_MEM_BASE #define CFG_PCIE2_MEM_SIZE 0x20000000 /* 512M */ #define CFG_PCIE2_IO_BASE 0x00000000 -#define CFG_PCIE2_IO_PHYS 0xe2000000 -#define CFG_PCIE2_IO_SIZE 0x00100000 /* 1M */ +#define CFG_PCIE2_IO_PHYS 0xe1010000 +#define CFG_PCIE2_IO_SIZE 0x00010000 /* 64k */
/* controller 1, Slot 2,tgtid 2, Base address a000 */ #define CFG_PCIE1_MEM_BASE 0xa0000000 #define CFG_PCIE1_MEM_PHYS CFG_PCIE1_MEM_BASE -#define CFG_PCIE1_MEM_SIZE 0x08000000 /* 128M */ -#define CFG_PCIE1_MEM_BASE2 0xa8000000 -#define CFG_PCIE1_MEM_PHYS2 CFG_PCIE1_MEM_BASE2 -#define CFG_PCIE1_MEM_SIZE2 0x04000000 /* 64M */ -#define CFG_PCIE1_IO_BASE 0x00000000 /* reuse mem LAW */ -#define CFG_PCIE1_IO_PHYS 0xaf000000 -#define CFG_PCIE1_IO_SIZE 0x00100000 /* 1M */ +#define CFG_PCIE1_MEM_SIZE 0x10000000 /* 256M */ +#define CFG_PCIE1_IO_BASE 0x00000000 +#define CFG_PCIE1_IO_PHYS 0xe1020000 +#define CFG_PCIE1_IO_SIZE 0x00010000 /* 64k */
/* controller 3, direct to uli, tgtid 3, Base address b000 */ #define CFG_PCIE3_MEM_BASE 0xb0000000 #define CFG_PCIE3_MEM_PHYS CFG_PCIE3_MEM_BASE -#define CFG_PCIE3_MEM_SIZE 0x10000000 /* 256M */ +#define CFG_PCIE3_MEM_SIZE 0x00100000 /* 1M */ #define CFG_PCIE3_IO_BASE 0x00000000 -#define CFG_PCIE3_IO_PHYS 0xe3000000 +#define CFG_PCIE3_IO_PHYS 0xb0100000 /* reuse mem LAW */ #define CFG_PCIE3_IO_SIZE 0x00100000 /* 1M */
#if defined(CONFIG_PCI)