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powerpc/85xx: Rework SBC8548 pci_init_board to use common FSL PCIe code 

Remove duplicated code in SBC8548 board and utilize the common
fsl_pcie_init_board().  We also now dynamically setup the LAWs for PCI
controllers based on which PCIe controllers are enabled.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Tested-by: Paul Gortmaker <paul.gortmaker@windriver.com>
This commit is contained in:
Kumar Gala 2010-12-17 10:30:44 -06:00
parent c51136ec45
commit 2d0a054d55
2 changed files with 13 additions and 45 deletions
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8
board/sbc8548/law.c
View File

@ -49,14 +49,6 @@
struct law_entry law_table[] = {
#ifndef CONFIG_SPD_EEPROM
SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_DDR),
#endif
#ifdef CONFIG_SYS_PCI1_MEM_PHYS
SET_LAW(CONFIG_SYS_PCI1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCI),
SET_LAW(CONFIG_SYS_PCI1_IO_PHYS, LAW_SIZE_8M, LAW_TRGT_IF_PCI),
#endif
#ifdef CONFIG_SYS_PCIE1_MEM_PHYS
SET_LAW(CONFIG_SYS_PCIE1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCIE_1),
SET_LAW(CONFIG_SYS_PCIE1_IO_PHYS, LAW_SIZE_8M, LAW_TRGT_IF_PCIE_1),
#endif
/* LBC window - maps 256M 0xf0000000 -> 0xffffffff */
SET_LAW(CONFIG_SYS_LBC_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_LBC),

50
board/sbc8548/sbc8548.c
View File

@ -266,33 +266,19 @@ phys_size_t fixed_sdram(void)
static struct pci_controller pci1_hose;
#endif /* CONFIG_PCI1 */
#ifdef CONFIG_PCIE1
static struct pci_controller pcie1_hose;
#endif /* CONFIG_PCIE1 */
#ifdef CONFIG_PCI
void
pci_init_board(void)
{
volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
struct fsl_pci_info pci_info[2];
u32 devdisr, pordevsr, porpllsr, io_sel;
int first_free_busno = 0;
int num = 0;
#ifdef CONFIG_PCIE1
int pcie_configured;
#endif
devdisr = in_be32(&gur->devdisr);
pordevsr = in_be32(&gur->pordevsr);
porpllsr = in_be32(&gur->porpllsr);
io_sel = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
debug(" pci_init_board: devdisr=%x, io_sel=%x\n", devdisr, io_sel);
#ifdef CONFIG_PCI1
struct fsl_pci_info pci_info;
u32 devdisr = in_be32(&gur->devdisr);
u32 pordevsr = in_be32(&gur->pordevsr);
u32 porpllsr = in_be32(&gur->porpllsr);
if (!(devdisr & MPC85xx_DEVDISR_PCI1)) {
uint pci_32 = pordevsr & MPC85xx_PORDEVSR_PCI1_PCI32;
uint pci_arb = pordevsr & MPC85xx_PORDEVSR_PCI1_ARB;
@ -306,8 +292,13 @@ pci_init_board(void)
pci_clk_sel ? "sync" : "async",
pci_arb ? "arbiter" : "external-arbiter");
SET_STD_PCI_INFO(pci_info[num], 1);
first_free_busno = fsl_pci_init_port(&pci_info[num++],
SET_STD_PCI_INFO(pci_info, 1);
set_next_law(pci_info.mem_phys,
law_size_bits(pci_info.mem_size), pci_info.law);
set_next_law(pci_info.io_phys,
law_size_bits(pci_info.io_size), pci_info.law);
first_free_busno = fsl_pci_init_port(&pci_info,
&pci1_hose, first_free_busno);
} else {
printf("PCI: disabled\n");
@ -320,22 +311,7 @@ pci_init_board(void)
setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI2); /* disable PCI2 */
#ifdef CONFIG_PCIE1
pcie_configured = is_serdes_configured(PCIE1);
if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
SET_STD_PCIE_INFO(pci_info[num], 1);
printf("PCIE: base address %lx\n", pci_info[num].regs);
first_free_busno = fsl_pci_init_port(&pci_info[num++],
&pcie1_hose, first_free_busno);
} else {
printf("PCIE: disabled\n");
}
puts("\n");
#else
setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE); /* disable */
#endif
fsl_pcie_init_board(first_free_busno);
}
#endif