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sbc8641d: Fix PCI mapping concepts

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Rename _BASE to _BUS, as it's actually a PCI bus address,
separate virtual and physical addresses into _VIRT and _PHYS,
and use each appopriately.  This makes the code easier to read
and understand, and facilitates mapping changes going forward.

Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org>
This commit is contained in:
Becky Bruce 2008-12-03 22:36:26 -06:00 • committed by Jon Loeliger
parent 950309c643
commit 79e436cad3
3 changed files with 27 additions and 23 deletions
board/sbc8641d
law.csbc8641d.c
include/configs
sbc8641d.h

10
board/sbc8641d/law.c
View file

@ -45,14 +45,14 @@
struct law_entry law_table[] = {
SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_DDR_1),
SET_LAW(CONFIG_SYS_PCI1_MEM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_PCI_1),
SET_LAW(CONFIG_SYS_PCI2_MEM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_PCI_2),
SET_LAW(CONFIG_SYS_PCI1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCI_1),
SET_LAW(CONFIG_SYS_PCI2_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCI_2),
SET_LAW(0xf8000000, LAW_SIZE_2M, LAW_TRGT_IF_LBC),
SET_LAW(CONFIG_SYS_PCI1_IO_BASE, LAW_SIZE_16M, LAW_TRGT_IF_PCI_1),
SET_LAW(CONFIG_SYS_PCI2_IO_BASE, LAW_SIZE_16M, LAW_TRGT_IF_PCI_2),
SET_LAW(CONFIG_SYS_PCI1_IO_PHYS, LAW_SIZE_16M, LAW_TRGT_IF_PCI_1),
SET_LAW(CONFIG_SYS_PCI2_IO_PHYS, LAW_SIZE_16M, LAW_TRGT_IF_PCI_2),
SET_LAW(0xfe000000, LAW_SIZE_32M, LAW_TRGT_IF_LBC),
SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_DDR_2),
SET_LAW(CONFIG_SYS_RIO_MEM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_RIO)
SET_LAW(CONFIG_SYS_RIO_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_RIO)
};
int num_law_entries = ARRAY_SIZE(law_table);

8
board/sbc8641d/sbc8641d.c
View file

@ -247,14 +247,14 @@ void pci_init_board(void)
/* outbound memory */
pci_set_region(r++,
CONFIG_SYS_PCI1_MEM_BASE,
CONFIG_SYS_PCI1_MEM_BUS,
CONFIG_SYS_PCI1_MEM_PHYS,
CONFIG_SYS_PCI1_MEM_SIZE,
PCI_REGION_MEM);
/* outbound io */
pci_set_region(r++,
CONFIG_SYS_PCI1_IO_BASE,
CONFIG_SYS_PCI1_IO_BUS,
CONFIG_SYS_PCI1_IO_PHYS,
CONFIG_SYS_PCI1_IO_SIZE,
PCI_REGION_IO);
@ -290,14 +290,14 @@ void pci_init_board(void)
/* outbound memory */
pci_set_region(r++,
CONFIG_SYS_PCI2_MEM_BASE,
CONFIG_SYS_PCI2_MEM_BUS,
CONFIG_SYS_PCI2_MEM_PHYS,
CONFIG_SYS_PCI2_MEM_SIZE,
PCI_REGION_MEM);
/* outbound io */
pci_set_region(r++,
CONFIG_SYS_PCI2_IO_BASE,
CONFIG_SYS_PCI2_IO_BUS,
CONFIG_SYS_PCI2_IO_PHYS,
CONFIG_SYS_PCI2_IO_SIZE,
PCI_REGION_IO);

32
include/configs/sbc8641d.h
View file

@ -311,18 +311,22 @@
* General PCI
* Addresses are mapped 1-1.
*/
#define CONFIG_SYS_PCI1_MEM_BASE 0x80000000
#define CONFIG_SYS_PCI1_MEM_PHYS CONFIG_SYS_PCI1_MEM_BASE
#define CONFIG_SYS_PCI1_MEM_BUS 0x80000000
#define CONFIG_SYS_PCI1_MEM_PHYS CONFIG_SYS_PCI1_MEM_BUS
#define CONFIG_SYS_PCI1_MEM_VIRT CONFIG_SYS_PCI1_MEM_BUS
#define CONFIG_SYS_PCI1_MEM_SIZE 0x20000000 /* 512M */
#define CONFIG_SYS_PCI1_IO_BASE 0xe2000000
#define CONFIG_SYS_PCI1_IO_PHYS CONFIG_SYS_PCI1_IO_BASE
#define CONFIG_SYS_PCI1_IO_BUS 0xe2000000
#define CONFIG_SYS_PCI1_IO_PHYS CONFIG_SYS_PCI1_IO_BUS
#define CONFIG_SYS_PCI1_IO_VIRT CONFIG_SYS_PCI1_IO_BUS
#define CONFIG_SYS_PCI1_IO_SIZE 0x1000000 /* 16M */
#define CONFIG_SYS_PCI2_MEM_BASE 0xa0000000
#define CONFIG_SYS_PCI2_MEM_PHYS CONFIG_SYS_PCI2_MEM_BASE
#define CONFIG_SYS_PCI2_MEM_BUS 0xa0000000
#define CONFIG_SYS_PCI2_MEM_PHYS CONFIG_SYS_PCI2_MEM_BUS
#define CONFIG_SYS_PCI2_MEM_VIRT CONFIG_SYS_PCI2_MEM_BUS
#define CONFIG_SYS_PCI2_MEM_SIZE 0x10000000 /* 256M */
#define CONFIG_SYS_PCI2_IO_BASE 0xe3000000
#define CONFIG_SYS_PCI2_IO_PHYS CONFIG_SYS_PCI2_IO_BASE
#define CONFIG_SYS_PCI2_IO_BUS 0xe3000000
#define CONFIG_SYS_PCI2_IO_PHYS CONFIG_SYS_PCI2_IO_BUS
#define CONFIG_SYS_PCI2_IO_VIRT CONFIG_SYS_PCI2_IO_BUS
#define CONFIG_SYS_PCI2_IO_SIZE 0x1000000 /* 16M */
#if defined(CONFIG_PCI)
@ -409,10 +413,10 @@
* 0xa000_0000 512M PCI-Express 2 Memory
* Changed it for operating from 0xd0000000
*/
#define CONFIG_SYS_DBAT1L ( CONFIG_SYS_PCI1_MEM_BASE | BATL_PP_RW \
#define CONFIG_SYS_DBAT1L ( CONFIG_SYS_PCI1_MEM_PHYS | BATL_PP_RW \
| BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
#define CONFIG_SYS_DBAT1U (CONFIG_SYS_PCI1_MEM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
#define CONFIG_SYS_IBAT1L (CONFIG_SYS_PCI1_MEM_BASE | BATL_PP_RW | BATL_CACHEINHIBIT)
#define CONFIG_SYS_DBAT1U (CONFIG_SYS_PCI1_MEM_VIRT | BATU_BL_256M | BATU_VS | BATU_VP)
#define CONFIG_SYS_IBAT1L (CONFIG_SYS_PCI1_MEM_PHYS | BATL_PP_RW | BATL_CACHEINHIBIT)
#define CONFIG_SYS_IBAT1U CONFIG_SYS_DBAT1U
/*
@ -452,10 +456,10 @@
* 0xe300_0000 16M PCI-Express 2 I/0
* Note that this is at 0xe0000000
*/
#define CONFIG_SYS_DBAT4L ( CONFIG_SYS_PCI1_IO_BASE | BATL_PP_RW \
#define CONFIG_SYS_DBAT4L ( CONFIG_SYS_PCI1_IO_PHYS | BATL_PP_RW \
| BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
#define CONFIG_SYS_DBAT4U (CONFIG_SYS_PCI1_IO_BASE | BATU_BL_32M | BATU_VS | BATU_VP)
#define CONFIG_SYS_IBAT4L (CONFIG_SYS_PCI1_IO_BASE | BATL_PP_RW | BATL_CACHEINHIBIT)
#define CONFIG_SYS_DBAT4U (CONFIG_SYS_PCI1_IO_VIRT | BATU_BL_32M | BATU_VS | BATU_VP)
#define CONFIG_SYS_IBAT4L (CONFIG_SYS_PCI1_IO_PHYS | BATL_PP_RW | BATL_CACHEINHIBIT)
#define CONFIG_SYS_IBAT4U CONFIG_SYS_DBAT4U
/*