diff options
| author | Ilya Yanok <yanok@emcraft.com> | 2010-09-17 23:41:46 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2010-09-23 21:13:44 +0200 |
| commit | bab00b95b76d704878af0d70e66959c27bdf8f52 (patch) | |
| tree | c5fb40b375a09032df70e8d2890033b1ccbc9970 | |
| parent | 9f530d59e63f6a4584e0caee54f92255c7ed59ab (diff) | |
| download | u-boot-imx-bab00b95b76d704878af0d70e66959c27bdf8f52.zip u-boot-imx-bab00b95b76d704878af0d70e66959c27bdf8f52.tar.gz u-boot-imx-bab00b95b76d704878af0d70e66959c27bdf8f52.tar.bz2 | |
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>
| -rw-r--r-- | arch/powerpc/cpu/mpc83xx/pcie.c | 38 |
1 files changed, 25 insertions, 13 deletions
diff --git a/arch/powerpc/cpu/mpc83xx/pcie.c b/arch/powerpc/cpu/mpc83xx/pcie.c index 77f8906..e70d19e 100644 --- a/arch/powerpc/cpu/mpc83xx/pcie.c +++ b/arch/powerpc/cpu/mpc83xx/pcie.c @@ -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]); } |