From: "Cédric Le Goater" <clg@kaod.org>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: "Andrew Jeffery" <andrew@aj.id.au>,
"Cédric Le Goater" <clg@kaod.org>,
qemu-arm@nongnu.org, "Joel Stanley" <joel@jms.id.au>,
qemu-devel@nongnu.org
Subject: [PATCH 3/5] aspeed/smc: Add AST2600 timings registers
Date: Thu, 14 Nov 2019 10:45:42 +0100 [thread overview]
Message-ID: <20191114094544.30114-4-clg@kaod.org> (raw)
In-Reply-To: <20191114094544.30114-1-clg@kaod.org>
Each CS has its own Read Timing Compensation Register on newer SoCs.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
---
include/hw/ssi/aspeed_smc.h | 1 +
hw/ssi/aspeed_smc.c | 17 ++++++++++++++---
2 files changed, 15 insertions(+), 3 deletions(-)
diff --git a/include/hw/ssi/aspeed_smc.h b/include/hw/ssi/aspeed_smc.h
index 684d16e33613..6fbbb238f158 100644
--- a/include/hw/ssi/aspeed_smc.h
+++ b/include/hw/ssi/aspeed_smc.h
@@ -40,6 +40,7 @@ typedef struct AspeedSMCController {
uint8_t r_ce_ctrl;
uint8_t r_ctrl0;
uint8_t r_timings;
+ uint8_t nregs_timings;
uint8_t conf_enable_w0;
uint8_t max_slaves;
const AspeedSegments *segments;
diff --git a/hw/ssi/aspeed_smc.c b/hw/ssi/aspeed_smc.c
index 86cadbe4cc00..7755eca34976 100644
--- a/hw/ssi/aspeed_smc.c
+++ b/hw/ssi/aspeed_smc.c
@@ -137,7 +137,7 @@
/* Checksum Calculation Result */
#define R_DMA_CHECKSUM (0x90 / 4)
-/* Misc Control Register #2 */
+/* Read Timing Compensation Register */
#define R_TIMINGS (0x94 / 4)
/* SPI controller registers and bits (AST2400) */
@@ -256,6 +256,7 @@ static const AspeedSMCController controllers[] = {
.r_ce_ctrl = R_CE_CTRL,
.r_ctrl0 = R_CTRL0,
.r_timings = R_TIMINGS,
+ .nregs_timings = 1,
.conf_enable_w0 = CONF_ENABLE_W0,
.max_slaves = 5,
.segments = aspeed_segments_legacy,
@@ -271,6 +272,7 @@ static const AspeedSMCController controllers[] = {
.r_ce_ctrl = R_CE_CTRL,
.r_ctrl0 = R_CTRL0,
.r_timings = R_TIMINGS,
+ .nregs_timings = 1,
.conf_enable_w0 = CONF_ENABLE_W0,
.max_slaves = 5,
.segments = aspeed_segments_fmc,
@@ -288,6 +290,7 @@ static const AspeedSMCController controllers[] = {
.r_ce_ctrl = 0xff,
.r_ctrl0 = R_SPI_CTRL0,
.r_timings = R_SPI_TIMINGS,
+ .nregs_timings = 1,
.conf_enable_w0 = SPI_CONF_ENABLE_W0,
.max_slaves = 1,
.segments = aspeed_segments_spi,
@@ -303,6 +306,7 @@ static const AspeedSMCController controllers[] = {
.r_ce_ctrl = R_CE_CTRL,
.r_ctrl0 = R_CTRL0,
.r_timings = R_TIMINGS,
+ .nregs_timings = 1,
.conf_enable_w0 = CONF_ENABLE_W0,
.max_slaves = 3,
.segments = aspeed_segments_ast2500_fmc,
@@ -320,6 +324,7 @@ static const AspeedSMCController controllers[] = {
.r_ce_ctrl = R_CE_CTRL,
.r_ctrl0 = R_CTRL0,
.r_timings = R_TIMINGS,
+ .nregs_timings = 1,
.conf_enable_w0 = CONF_ENABLE_W0,
.max_slaves = 2,
.segments = aspeed_segments_ast2500_spi1,
@@ -335,6 +340,7 @@ static const AspeedSMCController controllers[] = {
.r_ce_ctrl = R_CE_CTRL,
.r_ctrl0 = R_CTRL0,
.r_timings = R_TIMINGS,
+ .nregs_timings = 1,
.conf_enable_w0 = CONF_ENABLE_W0,
.max_slaves = 2,
.segments = aspeed_segments_ast2500_spi2,
@@ -350,6 +356,7 @@ static const AspeedSMCController controllers[] = {
.r_ce_ctrl = R_CE_CTRL,
.r_ctrl0 = R_CTRL0,
.r_timings = R_TIMINGS,
+ .nregs_timings = 1,
.conf_enable_w0 = CONF_ENABLE_W0,
.max_slaves = 3,
.segments = aspeed_segments_ast2600_fmc,
@@ -365,6 +372,7 @@ static const AspeedSMCController controllers[] = {
.r_ce_ctrl = R_CE_CTRL,
.r_ctrl0 = R_CTRL0,
.r_timings = R_TIMINGS,
+ .nregs_timings = 2,
.conf_enable_w0 = CONF_ENABLE_W0,
.max_slaves = 2,
.segments = aspeed_segments_ast2600_spi1,
@@ -380,6 +388,7 @@ static const AspeedSMCController controllers[] = {
.r_ce_ctrl = R_CE_CTRL,
.r_ctrl0 = R_CTRL0,
.r_timings = R_TIMINGS,
+ .nregs_timings = 3,
.conf_enable_w0 = CONF_ENABLE_W0,
.max_slaves = 3,
.segments = aspeed_segments_ast2600_spi2,
@@ -951,7 +960,8 @@ static uint64_t aspeed_smc_read(void *opaque, hwaddr addr, unsigned int size)
addr >>= 2;
if (addr == s->r_conf ||
- addr == s->r_timings ||
+ (addr >= s->r_timings &&
+ addr < s->r_timings + s->ctrl->nregs_timings) ||
addr == s->r_ce_ctrl ||
addr == R_INTR_CTRL ||
addr == R_DUMMY_DATA ||
@@ -1216,7 +1226,8 @@ static void aspeed_smc_write(void *opaque, hwaddr addr, uint64_t data,
addr >>= 2;
if (addr == s->r_conf ||
- addr == s->r_timings ||
+ (addr >= s->r_timings &&
+ addr < s->r_timings + s->ctrl->nregs_timings) ||
addr == s->r_ce_ctrl) {
s->regs[addr] = value;
} else if (addr >= s->r_ctrl0 && addr < s->r_ctrl0 + s->num_cs) {
--
2.21.0
next prev parent reply other threads:[~2019-11-14 9:49 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-14 9:45 [PATCH 0/5] aspeed: AST2600 SMC fixes and tacoma-bmc machine Cédric Le Goater
2019-11-14 9:45 ` [PATCH 1/5] aspeed/smc: Restore default AHB window mapping at reset Cédric Le Goater
2019-11-18 7:12 ` Joel Stanley
2019-11-14 9:45 ` [PATCH 2/5] aspeed/smc: Do not map disabled segment on the AST2600 Cédric Le Goater
2019-11-18 7:13 ` Joel Stanley
2019-11-14 9:45 ` Cédric Le Goater [this message]
2019-11-18 7:15 ` [PATCH 3/5] aspeed/smc: Add AST2600 timings registers Joel Stanley
2019-11-14 9:45 ` [PATCH 4/5] aspeed: Remove AspeedBoardConfig array and use AspeedMachineClass Cédric Le Goater
2019-11-18 7:16 ` Joel Stanley
2019-11-14 9:45 ` [PATCH 5/5] aspeed: Add support for the tacoma-bmc board Cédric Le Goater
2019-11-18 7:18 ` Joel Stanley
2019-11-18 7:44 ` Cédric Le Goater
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20191114094544.30114-4-clg@kaod.org \
--to=clg@kaod.org \
--cc=andrew@aj.id.au \
--cc=joel@jms.id.au \
--cc=peter.maydell@linaro.org \
--cc=qemu-arm@nongnu.org \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).