diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/portals.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/portals.c b/arch/powerpc/cpu/mpc85xx/portals.c index 98815f8..ec3b292 100644 --- a/arch/powerpc/cpu/mpc85xx/portals.c +++ b/arch/powerpc/cpu/mpc85xx/portals.c @@ -14,9 +14,46 @@ #include <asm/fsl_portals.h> #include <asm/fsl_liodn.h> +#define MAX_BPORTALS (CONFIG_SYS_BMAN_CINH_SIZE / CONFIG_SYS_BMAN_SP_CINH_SIZE) +#define MAX_QPORTALS (CONFIG_SYS_QMAN_CINH_SIZE / CONFIG_SYS_QMAN_SP_CINH_SIZE) +static void inhibit_portals(void __iomem *addr, int max_portals, + int arch_max_portals, int portal_cinh_size) +{ + uint32_t val; + int i; + + /* arch_max_portals is the maximum based on memory size. This includes + * the reserved memory in the SoC. max_portals the number of physical + * portals in the SoC */ + if (max_portals > arch_max_portals) { + printf("ERROR: portal config error\n"); + max_portals = arch_max_portals; + } + + for (i = 0; i < max_portals; i++) { + out_be32(addr, -1); + val = in_be32(addr); + if (!val) { + printf("ERROR: Stopped after %d portals\n", i); + goto done; + } + addr += portal_cinh_size; + } +#ifdef DEBUG + printf("Cleared %d portals\n", i); +#endif +done: + + return; +} + void setup_portals(void) { ccsr_qman_t *qman = (void *)CONFIG_SYS_FSL_QMAN_ADDR; + void __iomem *bpaddr = (void *)CONFIG_SYS_BMAN_CINH_BASE + + CONFIG_SYS_BMAN_SWP_ISDR_REG; + void __iomem *qpaddr = (void *)CONFIG_SYS_QMAN_CINH_BASE + + CONFIG_SYS_QMAN_SWP_ISDR_REG; #ifdef CONFIG_FSL_CORENET int i; @@ -38,6 +75,12 @@ void setup_portals(void) out_be32(&qman->qcsp_bare, (u32)(CONFIG_SYS_QMAN_MEM_PHYS >> 32)); #endif out_be32(&qman->qcsp_bar, (u32)CONFIG_SYS_QMAN_MEM_PHYS); + + /* Change default state of BMan ISDR portals to all 1s */ + inhibit_portals(bpaddr, CONFIG_SYS_BMAN_NUM_PORTALS, MAX_BPORTALS, + CONFIG_SYS_BMAN_SP_CINH_SIZE); + inhibit_portals(qpaddr, CONFIG_SYS_QMAN_NUM_PORTALS, MAX_QPORTALS, + CONFIG_SYS_QMAN_SP_CINH_SIZE); } /* Update portal containter to match LAW setup of portal in phy map */ |