diff options
| author | Simon Glass <sjg@chromium.org> | 2016-01-21 19:45:17 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2016-01-21 20:42:37 -0700 |
| commit | dae594f2105b08ce76aa6b3b02433abb0796be51 (patch) | |
| tree | b4245d9043e7cadd9df635c7807ed6dcb3df3240 /arch/arm/include/asm/arch-rockchip | |
| parent | 318922b30fd0f255a72d7ccd7d7fd58dfb5feb2e (diff) | |
rockchip: spl: Support full-speed CPU in SPL
Add a feature which speeds up the CPU to full speed in SPL to minimise
boot time. This is only supported for certain boards (at present only
jerry).
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/arm/include/asm/arch-rockchip')
| -rw-r--r-- | arch/arm/include/asm/arch-rockchip/clock.h | 5 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-rockchip/cru_rk3288.h | 12 |
2 files changed, 17 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-rockchip/clock.h b/arch/arm/include/asm/arch-rockchip/clock.h index a9ea2689c7..d66b26f18e 100644 --- a/arch/arm/include/asm/arch-rockchip/clock.h +++ b/arch/arm/include/asm/arch-rockchip/clock.h @@ -74,4 +74,9 @@ void *rockchip_get_cru(void); */ int rkclk_get_clk(enum rk_clk_id clk_id, struct udevice **devp); +struct rk3288_cru; +struct rk3288_grf; + +void rkclk_configure_cpu(struct rk3288_cru *cru, struct rk3288_grf *grf); + #endif diff --git a/arch/arm/include/asm/arch-rockchip/cru_rk3288.h b/arch/arm/include/asm/arch-rockchip/cru_rk3288.h index b0dea7060a..d2690c7788 100644 --- a/arch/arm/include/asm/arch-rockchip/cru_rk3288.h +++ b/arch/arm/include/asm/arch-rockchip/cru_rk3288.h @@ -109,6 +109,18 @@ enum { SPI0_DIV_MASK = 0x7f, }; +/* CRU_CLKSEL37_CON */ +enum { + PCLK_CORE_DBG_DIV_SHIFT = 9, + PCLK_CORE_DBG_DIV_MASK = 0x1f, + + ATCLK_CORE_DIV_CON_SHIFT = 4, + ATCLK_CORE_DIV_CON_MASK = 0x1f, + + CLK_L2RAM_DIV_SHIFT = 0, + CLK_L2RAM_DIV_MASK = 7, +}; + /* CRU_CLKSEL39_CON */ enum { ACLK_HEVC_PLL_SHIFT = 0xe, |