diff options
Diffstat (limited to 'arch/powerpc/boot')
| -rw-r--r-- | arch/powerpc/boot/cpm-serial.c | 34 | ||||
| -rw-r--r-- | arch/powerpc/boot/devtree.c | 20 | ||||
| -rw-r--r-- | arch/powerpc/boot/mpc52xx-psc.c | 9 | ||||
| -rw-r--r-- | arch/powerpc/boot/ns16550.c | 10 | ||||
| -rw-r--r-- | arch/powerpc/boot/ops.h | 1 |
5 files changed, 31 insertions, 43 deletions
diff --git a/arch/powerpc/boot/cpm-serial.c b/arch/powerpc/boot/cpm-serial.c index 28296facb2a..1f6225aad29 100644 --- a/arch/powerpc/boot/cpm-serial.c +++ b/arch/powerpc/boot/cpm-serial.c @@ -177,7 +177,6 @@ int cpm_console_init(void *devp, struct serial_console_data *scdp) { void *reg_virt[2]; int is_smc = 0, is_cpm2 = 0, n; - unsigned long reg_phys; void *parent, *muram; if (dt_is_compatible(devp, "fsl,cpm1-smc-uart")) { @@ -206,15 +205,8 @@ int cpm_console_init(void *devp, struct serial_console_data *scdp) if (n < 4) return -1; - n = getprop(devp, "virtual-reg", reg_virt, sizeof(reg_virt)); - if (n < (int)sizeof(reg_virt)) { - for (n = 0; n < 2; n++) { - if (!dt_xlate_reg(devp, n, ®_phys, NULL)) - return -1; - - reg_virt[n] = (void *)reg_phys; - } - } + if (dt_get_virtual_reg(devp, reg_virt, 2) < 2) + return -1; if (is_smc) smc = reg_virt[0]; @@ -227,15 +219,8 @@ int cpm_console_init(void *devp, struct serial_console_data *scdp) if (!parent) return -1; - n = getprop(parent, "virtual-reg", reg_virt, sizeof(reg_virt)); - if (n < (int)sizeof(reg_virt)) { - if (!dt_xlate_reg(parent, 0, ®_phys, NULL)) - return -1; - - reg_virt[0] = (void *)reg_phys; - } - - cpcr = reg_virt[0]; + if (dt_get_virtual_reg(parent, &cpcr, 1) < 1) + return -1; muram = finddevice("/soc/cpm/muram/data"); if (!muram) @@ -246,15 +231,8 @@ int cpm_console_init(void *devp, struct serial_console_data *scdp) * is one for both parent and child. */ - n = getprop(muram, "virtual-reg", reg_virt, sizeof(reg_virt)); - if (n < (int)sizeof(reg_virt)) { - if (!dt_xlate_reg(muram, 0, ®_phys, NULL)) - return -1; - - reg_virt[0] = (void *)reg_phys; - } - - muram_start = reg_virt[0]; + if (dt_get_virtual_reg(muram, (void **)&muram_start, 1) < 1) + return -1; n = getprop(muram, "reg", &muram_offset, 4); if (n < 4) diff --git a/arch/powerpc/boot/devtree.c b/arch/powerpc/boot/devtree.c index 60f561e307a..5d12336dc36 100644 --- a/arch/powerpc/boot/devtree.c +++ b/arch/powerpc/boot/devtree.c @@ -350,3 +350,23 @@ int dt_is_compatible(void *node, const char *compat) return 0; } + +int dt_get_virtual_reg(void *node, void **addr, int nres) +{ + unsigned long xaddr; + int n; + + n = getprop(node, "virtual-reg", addr, nres * 4); + if (n > 0) + return n / 4; + + for (n = 0; n < nres; n++) { + if (!dt_xlate_reg(node, n, &xaddr, NULL)) + break; + + addr[n] = (void *)xaddr; + } + + return n; +} + diff --git a/arch/powerpc/boot/mpc52xx-psc.c b/arch/powerpc/boot/mpc52xx-psc.c index 1074626e6a3..d4cb4e4e093 100644 --- a/arch/powerpc/boot/mpc52xx-psc.c +++ b/arch/powerpc/boot/mpc52xx-psc.c @@ -51,14 +51,9 @@ static unsigned char psc_getc(void) int mpc5200_psc_console_init(void *devp, struct serial_console_data *scdp) { - int n; - /* Get the base address of the psc registers */ - n = getprop(devp, "virtual-reg", &psc, sizeof(psc)); - if (n != sizeof(psc)) { - if (!dt_xlate_reg(devp, 0, (void *)&psc, NULL)) - return -1; - } + if (dt_get_virtual_reg(devp, &psc, 1) < 1) + return -1; scdp->open = psc_open; scdp->putc = psc_putc; diff --git a/arch/powerpc/boot/ns16550.c b/arch/powerpc/boot/ns16550.c index f8f1b2f3141..aef3bdc8916 100644 --- a/arch/powerpc/boot/ns16550.c +++ b/arch/powerpc/boot/ns16550.c @@ -55,15 +55,9 @@ static u8 ns16550_tstc(void) int ns16550_console_init(void *devp, struct serial_console_data *scdp) { int n; - unsigned long reg_phys; - n = getprop(devp, "virtual-reg", ®_base, sizeof(reg_base)); - if (n != sizeof(reg_base)) { - if (!dt_xlate_reg(devp, 0, ®_phys, NULL)) - return -1; - - reg_base = (void *)reg_phys; - } + if (dt_get_virtual_reg(devp, (void **)®_base, 1) < 1) + return -1; n = getprop(devp, "reg-shift", ®_shift, sizeof(reg_shift)); if (n != sizeof(reg_shift)) diff --git a/arch/powerpc/boot/ops.h b/arch/powerpc/boot/ops.h index 4b0544b03c6..321e2f5afe7 100644 --- a/arch/powerpc/boot/ops.h +++ b/arch/powerpc/boot/ops.h @@ -95,6 +95,7 @@ int dt_xlate_reg(void *node, int res, unsigned long *addr, unsigned long *size); int dt_xlate_addr(void *node, u32 *buf, int buflen, unsigned long *xlated_addr); int dt_is_compatible(void *node, const char *compat); void dt_get_reg_format(void *node, u32 *naddr, u32 *nsize); +int dt_get_virtual_reg(void *node, void **addr, int nres); static inline void *finddevice(const char *name) { |