diff options
Diffstat (limited to 'arch/arm/cpu/armv7/keystone/init.c')
-rw-r--r-- | arch/arm/cpu/armv7/keystone/init.c | 63 |
1 files changed, 57 insertions, 6 deletions
diff --git a/arch/arm/cpu/armv7/keystone/init.c b/arch/arm/cpu/armv7/keystone/init.c index a8f8aee8ab..c2b947839d 100644 --- a/arch/arm/cpu/armv7/keystone/init.c +++ b/arch/arm/cpu/armv7/keystone/init.c @@ -13,6 +13,7 @@ #include <asm/arch/msmc.h> #include <asm/arch/clock.h> #include <asm/arch/hardware.h> +#include <asm/arch/psc_defs.h> void chip_configuration_unlock(void) { @@ -20,17 +21,67 @@ void chip_configuration_unlock(void) __raw_writel(KS2_KICK1_MAGIC, KS2_KICK1); } +#ifdef CONFIG_SOC_K2L +void osr_init(void) +{ + u32 i; + u32 j; + u32 val; + u32 base = KS2_OSR_CFG_BASE; + u32 ecc_ctrl[KS2_OSR_NUM_RAM_BANKS]; + + /* Enable the OSR clock domain */ + psc_enable_module(KS2_LPSC_OSR); + + /* Disable OSR ECC check for all the ram banks */ + for (i = 0; i < KS2_OSR_NUM_RAM_BANKS; i++) { + val = i | KS2_OSR_ECC_VEC_TRIG_RD | + (KS2_OSR_ECC_CTRL << KS2_OSR_ECC_VEC_RD_ADDR_SH); + + writel(val , base + KS2_OSR_ECC_VEC); + + /** + * wait till read is done. + * Print should be added after earlyprintk support is added. + */ + for (j = 0; j < 10000; j++) { + val = readl(base + KS2_OSR_ECC_VEC); + if (val & KS2_OSR_ECC_VEC_RD_DONE) + break; + } + + ecc_ctrl[i] = readl(base + KS2_OSR_ECC_CTRL) ^ + KS2_OSR_ECC_CTRL_CHK; + + writel(ecc_ctrl[i], KS2_MSMC_DATA_BASE + i * 4); + writel(ecc_ctrl[i], base + KS2_OSR_ECC_CTRL); + } + + /* Reset OSR memory to all zeros */ + for (i = 0; i < KS2_OSR_SIZE; i += 4) + writel(0, KS2_OSR_DATA_BASE + i); + + /* Enable OSR ECC check for all the ram banks */ + for (i = 0; i < KS2_OSR_NUM_RAM_BANKS; i++) + writel(ecc_ctrl[i] | + KS2_OSR_ECC_CTRL_CHK, base + KS2_OSR_ECC_CTRL); +} +#endif + int arch_cpu_init(void) { chip_configuration_unlock(); icache_enable(); - msmc_share_all_segments(8); /* TETRIS */ - msmc_share_all_segments(9); /* NETCP */ - msmc_share_all_segments(10); /* QM PDSP */ - msmc_share_all_segments(11); /* PCIE 0 */ -#ifdef CONFIG_SOC_K2E - msmc_share_all_segments(13); /* PCIE 1 */ + msmc_share_all_segments(KS2_MSMC_SEGMENT_TETRIS); + msmc_share_all_segments(KS2_MSMC_SEGMENT_NETCP); + msmc_share_all_segments(KS2_MSMC_SEGMENT_QM_PDSP); + msmc_share_all_segments(KS2_MSMC_SEGMENT_PCIE0); +#if defined(CONFIG_SOC_K2E) || defined(CONFIG_SOC_K2L) + msmc_share_all_segments(KS2_MSMC_SEGMENT_PCIE1); +#endif +#ifdef CONFIG_SOC_K2L + osr_init(); #endif /* |