diff options
Diffstat (limited to 'arch/arm/cpu')
| -rw-r--r-- | arch/arm/cpu/armv7/mx6/clock.c | 4 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/mx6/soc.c | 17 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/rmobile/Kconfig | 5 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/rmobile/lowlevel_init_ca15.S | 11 |
4 files changed, 28 insertions, 9 deletions
diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c index d200531..6c9c78c 100644 --- a/arch/arm/cpu/armv7/mx6/clock.c +++ b/arch/arm/cpu/armv7/mx6/clock.c @@ -312,6 +312,10 @@ static u32 get_ipg_per_clk(void) u32 reg, perclk_podf; reg = __raw_readl(&imx_ccm->cscmr1); +#if (defined(CONFIG_MX6SL) || defined(CONFIG_MX6SX)) + if (reg & MXC_CCM_CSCMR1_PER_CLK_SEL_MASK) + return MXC_HCLK; /* OSC 24Mhz */ +#endif perclk_podf = reg & MXC_CCM_CSCMR1_PERCLK_PODF_MASK; return get_ipg_clk() / (perclk_podf + 1); diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c index dd5aaa2..affbf7f 100644 --- a/arch/arm/cpu/armv7/mx6/soc.c +++ b/arch/arm/cpu/armv7/mx6/soc.c @@ -240,6 +240,18 @@ static void clear_mmdc_ch_mask(void) writel(0, &mxc_ccm->ccdr); } +#ifdef CONFIG_MX6SL +static void set_preclk_from_osc(void) +{ + struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; + u32 reg; + + reg = readl(&mxc_ccm->cscmr1); + reg |= MXC_CCM_CSCMR1_PER_CLK_SEL_MASK; + writel(reg, &mxc_ccm->cscmr1); +} +#endif + int arch_cpu_init(void) { init_aips(); @@ -255,6 +267,11 @@ int arch_cpu_init(void) if (mxc_get_clock(MXC_ARM_CLK) == 396000000) set_ahb_rate(132000000); + /* Set perclk to source from OSC 24MHz */ +#if defined(CONFIG_MX6SL) + set_preclk_from_osc(); +#endif + imx_set_wdog_powerdown(false); /* Disable PDE bit of WMCR register */ #ifdef CONFIG_APBH_DMA diff --git a/arch/arm/cpu/armv7/rmobile/Kconfig b/arch/arm/cpu/armv7/rmobile/Kconfig index c46a0cc..8444d42 100644 --- a/arch/arm/cpu/armv7/rmobile/Kconfig +++ b/arch/arm/cpu/armv7/rmobile/Kconfig @@ -23,6 +23,11 @@ endchoice config SYS_SOC default "rmobile" +config RMOBILE_EXTRAM_BOOT + bool "Enable boot from RAM" + depends on TARGET_ALT || TARGET_KOELSCH || TARGET_LAGER + default n + source "board/atmark-techno/armadillo-800eva/Kconfig" source "board/renesas/koelsch/Kconfig" source "board/renesas/lager/Kconfig" diff --git a/arch/arm/cpu/armv7/rmobile/lowlevel_init_ca15.S b/arch/arm/cpu/armv7/rmobile/lowlevel_init_ca15.S index 879e0e0..d47546a 100644 --- a/arch/arm/cpu/armv7/rmobile/lowlevel_init_ca15.S +++ b/arch/arm/cpu/armv7/rmobile/lowlevel_init_ca15.S @@ -60,17 +60,10 @@ do_lowlevel_init: cmp r1, #3 /* has already been set up */ bicne r0, r0, #0xe7 orrne r0, r0, #0x83 /* L2CTLR[7:6] + L2CTLR[2:0] */ - - ldr r2, =0xFF000044 /* PRR */ - ldr r1, [r2] - and r1, r1, #0x7F00 - lsrs r1, r1, #8 - cmp r1, #0x45 /* 0x45 is ID of r8a7790 */ - bne L2CTLR_5_SKIP +#if defined(CONFIG_R8A7790) orrne r0, r0, #0x20 /* L2CTLR[5] */ -L2CTLR_5_SKIP: +#endif mcrne p15, 1, r0, c9, c0, 2 - _exit_init_l2_a15: ldr r3, =(CONFIG_SYS_INIT_SP_ADDR) sub sp, r3, #4 |