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| author | Cédric Le Goater <clg@kaod.org> | 2019-09-04 09:05:06 +0200 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2019-09-13 16:05:01 +0100 |
| commit | a8f07376c9b3e5bce736bdcf6f49dc63fa4a516b (patch) | |
| tree | 01b50ae984bb7485197e163775953a1f13b22318 /include/hw | |
| parent | 9a937f6cc4c18a335e813882d15c83252d611042 (diff) | |
| download | qemu-a8f07376c9b3e5bce736bdcf6f49dc63fa4a516b.zip qemu-a8f07376c9b3e5bce736bdcf6f49dc63fa4a516b.tar.gz qemu-a8f07376c9b3e5bce736bdcf6f49dc63fa4a516b.tar.bz2 | |
aspeed/scu: Introduce a aspeed_scu_get_apb_freq() routine
The APB frequency can be calculated directly when needed from the
HPLL_PARAM and CLK_SEL register values. This removes useless state in
the model.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-id: 20190904070506.1052-11-clg@kaod.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include/hw')
| -rw-r--r-- | include/hw/misc/aspeed_scu.h | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/include/hw/misc/aspeed_scu.h b/include/hw/misc/aspeed_scu.h index 90dd4da..239e94f 100644 --- a/include/hw/misc/aspeed_scu.h +++ b/include/hw/misc/aspeed_scu.h @@ -32,10 +32,6 @@ typedef struct AspeedSCUState { uint32_t hw_strap1; uint32_t hw_strap2; uint32_t hw_prot_key; - - uint32_t clkin; - uint32_t hpll; - uint32_t apb_freq; } AspeedSCUState; #define AST2400_A0_SILICON_REV 0x02000303U @@ -56,12 +52,14 @@ typedef struct AspeedSCUClass { SysBusDeviceClass parent_class; const uint32_t *resets; - uint32_t (*calc_hpll)(AspeedSCUState *s); + uint32_t (*calc_hpll)(AspeedSCUState *s, uint32_t hpll_reg); uint32_t apb_divider; } AspeedSCUClass; #define ASPEED_SCU_PROT_KEY 0x1688A8A8 +uint32_t aspeed_scu_get_apb_freq(AspeedSCUState *s); + /* * Extracted from Aspeed SDK v00.03.21. Fixes and extra definitions * were added. |