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mpc83xx/pcie: make it compile with PCIE2 unconfigured 

MPC8308 has only one PCIE host controller so we want it to compile
without CONFIG_SYS_PCIE2_CFG_{BASE,SIZE} defined.

Signed-off-by: Ilya Yanok <yanok@emcraft.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
This commit is contained in:
Ilya Yanok 2010-09-17 23:41:46 +02:00 committed by Wolfgang Denk
parent 9f530d59e6
commit bab00b95b7
1 changed files with 25 additions and 13 deletions
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38
arch/powerpc/cpu/mpc83xx/pcie.c
View File

@ -30,6 +30,22 @@ DECLARE_GLOBAL_DATA_PTR;
#define PCIE_MAX_BUSES 2
static struct {
u32 base;
u32 size;
} mpc83xx_pcie_cfg_space[] = {
{
.base = CONFIG_SYS_PCIE1_CFG_BASE,
.size = CONFIG_SYS_PCIE1_CFG_SIZE,
},
#if defined(CONFIG_SYS_PCIE2_CFG_BASE) && defined(CONFIG_SYS_PCIE2_CFG_SIZE)
{
.base = CONFIG_SYS_PCIE2_CFG_BASE,
.size = CONFIG_SYS_PCIE2_CFG_SIZE,
},
#endif
};
#ifdef CONFIG_83XX_GENERIC_PCIE_REGISTER_HOSES
static int mpc83xx_pcie_remap_cfg(struct pci_controller *hose, pci_dev_t dev)
@ -124,10 +140,7 @@ static void mpc83xx_pcie_register_hose(int bus, struct pci_region *reg,
hose->first_busno = pci_last_busno() + 1;
hose->last_busno = 0xff;
if (bus == 0)
hose->cfg_addr = (unsigned int *)CONFIG_SYS_PCIE1_CFG_BASE;
else
hose->cfg_addr = (unsigned int *)CONFIG_SYS_PCIE2_CFG_BASE;
hose->cfg_addr = mpc83xx_pcie_cfg_space[bus].base;
pci_set_ops(hose,
pcie_read_config_byte,
@ -182,15 +195,9 @@ static void mpc83xx_pcie_init_bus(int bus, struct pci_region *reg)
PEX_CSB_OBCTRL_CFGWE);
out_win = &pex->bridge.pex_outbound_win[0];
if (bus) {
out_le32(&out_win->ar, PEX_OWAR_EN | PEX_OWAR_TYPE_CFG |
CONFIG_SYS_PCIE2_CFG_SIZE);
out_le32(&out_win->bar, CONFIG_SYS_PCIE2_CFG_BASE);
} else {
out_le32(&out_win->ar, PEX_OWAR_EN | PEX_OWAR_TYPE_CFG |
CONFIG_SYS_PCIE1_CFG_SIZE);
out_le32(&out_win->bar, CONFIG_SYS_PCIE1_CFG_BASE);
}
out_le32(&out_win->ar, PEX_OWAR_EN | PEX_OWAR_TYPE_CFG |
mpc83xx_pcie_cfg_space[bus].size);
out_le32(&out_win->bar, mpc83xx_pcie_cfg_space[bus].base);
out_le32(&out_win->tarl, 0);
out_le32(&out_win->tarh, 0);
@ -312,6 +319,11 @@ void mpc83xx_pcie_init(int num_buses, struct pci_region **reg, int warmboot)
*/
udelay(warmboot ? 1000 : 100000);
if (num_buses > ARRAY_SIZE(mpc83xx_pcie_cfg_space)) {
printf("Second PCIE host contoller not configured!\n");
num_buses = ARRAY_SIZE(mpc83xx_pcie_cfg_space);
}
for (i = 0; i < num_buses; i++)
mpc83xx_pcie_init_bus(i, reg[i]);
}