diff options
Diffstat (limited to 'arch/powerpc/platforms/83xx/mpc836x_mds.c')
-rw-r--r-- | arch/powerpc/platforms/83xx/mpc836x_mds.c | 75 |
1 files changed, 38 insertions, 37 deletions
diff --git a/arch/powerpc/platforms/83xx/mpc836x_mds.c b/arch/powerpc/platforms/83xx/mpc836x_mds.c index 0f3855c95ff5..c2e5de60c055 100644 --- a/arch/powerpc/platforms/83xx/mpc836x_mds.c +++ b/arch/powerpc/platforms/83xx/mpc836x_mds.c @@ -29,9 +29,9 @@ #include <linux/seq_file.h> #include <linux/root_dev.h> #include <linux/initrd.h> +#include <linux/of_platform.h> +#include <linux/of_device.h> -#include <asm/of_device.h> -#include <asm/of_platform.h> #include <asm/system.h> #include <asm/atomic.h> #include <asm/time.h> @@ -96,14 +96,39 @@ static void __init mpc836x_mds_setup_arch(void) if ((np = of_find_compatible_node(NULL, "network", "ucc_geth")) != NULL){ + uint svid; + /* Reset the Ethernet PHY */ - bcsr_regs[9] &= ~0x20; +#define BCSR9_GETHRST 0x20 + clrbits8(&bcsr_regs[9], BCSR9_GETHRST); udelay(1000); - bcsr_regs[9] |= 0x20; + setbits8(&bcsr_regs[9], BCSR9_GETHRST); + + /* handle mpc8360ea rev.2.1 erratum 2: RGMII Timing */ + svid = mfspr(SPRN_SVR); + if (svid == 0x80480021) { + void __iomem *immap; + + immap = ioremap(get_immrbase() + 0x14a8, 8); + + /* + * IMMR + 0x14A8[4:5] = 11 (clk delay for UCC 2) + * IMMR + 0x14A8[18:19] = 11 (clk delay for UCC 1) + */ + setbits32(immap, 0x0c003000); + + /* + * IMMR + 0x14AC[20:27] = 10101010 + * (data delay for both UCC's) + */ + clrsetbits_be32(immap + 4, 0xff0, 0xaa0); + + iounmap(immap); + } + iounmap(bcsr_regs); of_node_put(np); } - #endif /* CONFIG_QUICC_ENGINE */ } @@ -111,20 +136,18 @@ static struct of_device_id mpc836x_ids[] = { { .type = "soc", }, { .compatible = "soc", }, { .type = "qe", }, + { .compatible = "fsl,qe", }, {}, }; static int __init mpc836x_declare_of_platform_devices(void) { - if (!machine_is(mpc836x_mds)) - return 0; - /* Publish the QE devices */ of_platform_bus_probe(NULL, mpc836x_ids, NULL); return 0; } -device_initcall(mpc836x_declare_of_platform_devices); +machine_device_initcall(mpc836x_mds, mpc836x_declare_of_platform_devices); static void __init mpc836x_mds_init_IRQ(void) { @@ -143,39 +166,17 @@ static void __init mpc836x_mds_init_IRQ(void) of_node_put(np); #ifdef CONFIG_QUICC_ENGINE - np = of_find_node_by_type(NULL, "qeic"); - if (!np) - return; - + np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic"); + if (!np) { + np = of_find_node_by_type(NULL, "qeic"); + if (!np) + return; + } qe_ic_init(np, 0, qe_ic_cascade_low_ipic, qe_ic_cascade_high_ipic); of_node_put(np); #endif /* CONFIG_QUICC_ENGINE */ } -#if defined(CONFIG_I2C_MPC) && defined(CONFIG_SENSORS_DS1374) -extern ulong ds1374_get_rtc_time(void); -extern int ds1374_set_rtc_time(ulong); - -static int __init mpc8360_rtc_hookup(void) -{ - struct timespec tv; - - if (!machine_is(mpc836x_mds)) - return 0; - - ppc_md.get_rtc_time = ds1374_get_rtc_time; - ppc_md.set_rtc_time = ds1374_set_rtc_time; - - tv.tv_nsec = 0; - tv.tv_sec = (ppc_md.get_rtc_time) (); - do_settimeofday(&tv); - - return 0; -} - -late_initcall(mpc8360_rtc_hookup); -#endif - /* * Called very early, MMU is off, device-tree isn't unflattened */ |