2019-06-13 15:52:06

by Christophe Leroy

[permalink] [raw]
Subject: [PATCH v2 05/10] powerpc/8xx: Refactor microcode write

Add empty microcode tables so that all tables are defined
all the time. Regroup the writing of the 3 tables regardless
of the selected microcode.

Signed-off-by: Christophe Leroy <[email protected]>
---
arch/powerpc/platforms/8xx/micropatch.c | 15 ++++++---------
1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/arch/powerpc/platforms/8xx/micropatch.c b/arch/powerpc/platforms/8xx/micropatch.c
index 2abc226d1139..410968a0b177 100644
--- a/arch/powerpc/platforms/8xx/micropatch.c
+++ b/arch/powerpc/platforms/8xx/micropatch.c
@@ -68,6 +68,8 @@ static uint patch_2f00[] __initdata = {
0x31497353, 0x76956D69, 0x7B9D9693, 0x13131979,
0x79376935
};
+
+static uint patch_2e00[] __initdata = {};
#endif

/*
@@ -201,6 +203,8 @@ static uint patch_2000[] __initdata = {
static uint patch_2f00[] __initdata = {
0x3030304c, 0xcab9e441, 0xa1aaf220
};
+
+static uint patch_2e00[] __initdata = {};
#endif

static void __init cpm_write_patch(cpm8xx_t *cp, int offset, uint *patch, int len)
@@ -223,12 +227,13 @@ void __init cpm_load_patch(cpm8xx_t *cp)
#endif
commproc = cp;

-#ifdef CONFIG_USB_SOF_UCODE_PATCH
commproc->cp_rccr = 0;

cpm_write_patch(cp, 0, patch_2000, sizeof(patch_2000));
cpm_write_patch(cp, 0xf00, patch_2f00, sizeof(patch_2f00));
+ cpm_write_patch(cp, 0xe00, patch_2e00, sizeof(patch_2e00));

+#ifdef CONFIG_USB_SOF_UCODE_PATCH
commproc->cp_rccr = 0x0009;

printk("USB SOF microcode patch installed\n");
@@ -237,11 +242,6 @@ void __init cpm_load_patch(cpm8xx_t *cp)
#if defined(CONFIG_I2C_SPI_UCODE_PATCH) || \
defined(CONFIG_I2C_SPI_SMC1_UCODE_PATCH)

- commproc->cp_rccr = 0;
-
- cpm_write_patch(cp, 0, patch_2000, sizeof(patch_2000));
- cpm_write_patch(cp, 0xf00, patch_2f00, sizeof(patch_2f00));
-
iip = (iic_t *)&commproc->cp_dparam[PROFF_IIC];
# define RPBASE 0x0500
iip->iic_rpbase = RPBASE;
@@ -262,9 +262,6 @@ void __init cpm_load_patch(cpm8xx_t *cp)
# endif /* CONFIG_I2C_SPI_UCODE_PATCH */

# if defined(CONFIG_I2C_SPI_SMC1_UCODE_PATCH)
-
- cpm_write_patch(cp, 0xe00, patch_2e00, sizeof(patch_2e00));
-
commproc->cp_cpmcr1 = 0x8080;
commproc->cp_cpmcr2 = 0x808a;
commproc->cp_cpmcr3 = 0x8028;
--
2.13.3