diff options
Diffstat (limited to 'arch/powerpc/platforms/512x/mpc512x_shared.c')
| -rw-r--r-- | arch/powerpc/platforms/512x/mpc512x_shared.c | 37 |
1 files changed, 31 insertions, 6 deletions
diff --git a/arch/powerpc/platforms/512x/mpc512x_shared.c b/arch/powerpc/platforms/512x/mpc512x_shared.c index 35f14fda108a..d30235b7e3f7 100644 --- a/arch/powerpc/platforms/512x/mpc512x_shared.c +++ b/arch/powerpc/platforms/512x/mpc512x_shared.c @@ -68,10 +68,6 @@ struct fsl_diu_shared_fb { bool in_use; }; -void mpc512x_set_monitor_port(enum fsl_diu_monitor_port port) -{ -} - #define DIU_DIV_MASK 0x000000ff void mpc512x_set_pixel_clock(unsigned int pixclock) { @@ -303,7 +299,6 @@ void __init mpc512x_setup_diu(void) } } - diu_ops.set_monitor_port = mpc512x_set_monitor_port; diu_ops.set_pixel_clock = mpc512x_set_pixel_clock; diu_ops.valid_monitor_port = mpc512x_valid_monitor_port; diu_ops.release_bootmem = mpc512x_release_bootmem; @@ -431,8 +426,38 @@ void __init mpc512x_psc_fifo_init(void) void __init mpc512x_init(void) { - mpc512x_declare_of_platform_devices(); mpc5121_clk_init(); + mpc512x_declare_of_platform_devices(); mpc512x_restart_init(); mpc512x_psc_fifo_init(); } + +/** + * mpc512x_cs_config - Setup chip select configuration + * @cs: chip select number + * @val: chip select configuration value + * + * Perform chip select configuration for devices on LocalPlus Bus. + * Intended to dynamically reconfigure the chip select parameters + * for configurable devices on the bus. + */ +int mpc512x_cs_config(unsigned int cs, u32 val) +{ + static struct mpc512x_lpc __iomem *lpc; + struct device_node *np; + + if (cs > 7) + return -EINVAL; + + if (!lpc) { + np = of_find_compatible_node(NULL, NULL, "fsl,mpc5121-lpc"); + lpc = of_iomap(np, 0); + of_node_put(np); + if (!lpc) + return -ENOMEM; + } + + out_be32(&lpc->cs_cfg[cs], val); + return 0; +} +EXPORT_SYMBOL(mpc512x_cs_config); |